Restores volume control and adds a versatile toolkit for real-time diagnostics, video clipping, screenshots, and persistent playback customization.
// ==UserScript==
// @name YouTube Embed Enhancer
// @namespace https://github.com/jmpatag
// @version 2.8.0
// @description Restores volume control and adds a versatile toolkit for real-time diagnostics, video clipping, screenshots, and persistent playback customization.
// @author jmpatag
// @license GPL-3.0
// @match *://www.youtube.com/embed/*
// @match *://www.youtube-nocookie.com/embed/*
// @match *://www.nexusmods.com/*
// @run-at document-idle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addValueChangeListener
// @grant GM_xmlhttpRequest
// @connect holodex.net
// @connect www.youtube.com
// @grant unsafeWindow
// ==/UserScript==
// ==[Mediabunny start: NO EDIT NOT MY CODE V]==
/*!
* Copyright (c) 2026-present, Vanilagy and contributors
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
"use strict"; var Mediabunny = (() => {
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string."); if (r !== void 0 && typeof r != "string") throw new TypeError("name, when provided, must be a string."); if (i !== void 0 && typeof i != "string") throw new TypeError("description, when provided, must be a string.") } }, ln = n => { if (!n || typeof n != "object") throw new TypeError("tags must be an object."); if (n.title !== void 0 && typeof n.title != "string") throw new TypeError("tags.title, when provided, must be a string."); if (n.description !== void 0 && typeof n.description != "string") throw new TypeError("tags.description, when provided, must be a string."); if (n.artist !== void 0 && typeof n.artist != "string") throw new TypeError("tags.artist, when provided, must be a string."); if (n.album !== void 0 && typeof n.album != "string") throw new TypeError("tags.album, when provided, must be a string."); if (n.albumArtist !== void 0 && typeof n.albumArtist != "string") throw new TypeError("tags.albumArtist, when provided, must be a string."); if (n.trackNumber !== void 0 && (!Number.isInteger(n.trackNumber) || n.trackNumber <= 0)) throw new TypeError("tags.trackNumber, when provided, must be a positive integer."); if (n.tracksTotal !== void 0 && (!Number.isInteger(n.tracksTotal) || n.tracksTotal <= 0)) throw new TypeError("tags.tracksTotal, when provided, must be a positive integer."); if (n.discNumber !== void 0 && (!Number.isInteger(n.discNumber) || n.discNumber <= 0)) throw new TypeError("tags.discNumber, when provided, must be a positive integer."); if (n.discsTotal !== void 0 && (!Number.isInteger(n.discsTotal) || n.discsTotal <= 0)) throw new TypeError("tags.discsTotal, when provided, must be a positive integer."); if (n.genre !== void 0 && typeof n.genre != "string") throw new TypeError("tags.genre, when provided, must be a string."); if (n.date !== void 0 && (!(n.date instanceof Date) || Number.isNaN(n.date.getTime()))) throw new TypeError("tags.date, when provided, must be a valid Date."); if (n.lyrics !== void 0 && typeof n.lyrics != "string") throw new TypeError("tags.lyrics, when provided, must be a string."); if (n.images !== void 0) { if (!Array.isArray(n.images)) throw new TypeError("tags.images, when provided, must be an array."); for (let t of n.images) { if (!t || typeof t != "object") throw new TypeError("Each image in tags.images must be an object."); if (!(t.data instanceof Uint8Array)) throw new TypeError("Each image.data must be a Uint8Array."); if (typeof t.mimeType != "string") throw new TypeError("Each image.mimeType must be a string."); if (!["coverFront", "coverBack", "unknown"].includes(t.kind)) throw new TypeError("Each image.kind must be 'coverFront', 'coverBack', or 'unknown'.") } } if (n.comment !== void 0 && typeof n.comment != "string") throw new TypeError("tags.comment, when provided, must be a string."); if (n.raw !== void 0) { if (!n.raw || typeof n.raw != "object") throw new TypeError("tags.raw, when provided, must be an object."); for (let t of Object.values(n.raw)) if (t !== null && typeof t != "string" && !(t instanceof Uint8Array) && !(t instanceof He) && !(t instanceof Kt) && !ya(t)) throw new TypeError("Each value in tags.raw must be a string, Uint8Array, RichImageData, AttachedFile, Record<string, string>, or null.") } }, Gt = n => n.title === void 0 && n.description === void 0 && n.artist === void 0 && n.album === void 0 && n.albumArtist === void 0 && n.trackNumber === void 0 && n.tracksTotal === void 0 && n.discNumber === void 0 && n.discsTotal === void 0 && n.genre === void 0 && n.date === void 0 && n.lyrics === void 0 && (!n.images || n.images.length === 0) && n.comment === void 0 && (n.raw === void 0 || Object.keys(n.raw).length === 0), Se = { default: !0, primary: !0, forced: !1, original: !1, commentary: !1, hearingImpaired: !1, visuallyImpaired: !1 }, Wu = n => { if (!n || typeof n != "object") throw new TypeError("disposition must be an object."); if (n.default !== void 0 && typeof n.default != "boolean") throw new TypeError("disposition.default must be a boolean."); if (n.primary !== void 0 && typeof n.primary != "boolean") throw new TypeError("disposition.primary must be a boolean."); if (n.forced !== void 0 && typeof n.forced != "boolean") throw new TypeError("disposition.forced must be a boolean."); if (n.original !== void 0 && typeof n.original != "boolean") throw new TypeError("disposition.original must be a boolean."); if (n.commentary !== void 0 && typeof n.commentary != "boolean") throw new TypeError("disposition.commentary must be a boolean."); if (n.hearingImpaired !== void 0 && typeof n.hearingImpaired != "boolean") throw new TypeError("disposition.hearingImpaired must be a boolean."); if (n.visuallyImpaired !== void 0 && typeof n.visuallyImpaired != "boolean") throw new TypeError("disposition.visuallyImpaired must be a boolean.") }; var H = class n { constructor(t) { this.bytes = t; this.pos = 0 } seekToByte(t) { this.pos = 8 * t } readBit() { let t = Math.floor(this.pos / 8), e = this.bytes[t] ?? 0, r = 7 - (this.pos & 7), i = (e & 1 << r) >> r; return this.pos++, i } readBits(t) { if (t === 1) return this.readBit(); let e = 0; for (let r = 0; r < t; r++)e <<= 1, e |= this.readBit(); return e } writeBits(t, e) { let r = this.pos + t; for (let i = this.pos; i < r; i++) { let a = Math.floor(i / 8), s = this.bytes[a], o = 7 - (i & 7); s &= ~(1 << o), s |= (e & 1 << r - i - 1) >> r - i - 1 << o, this.bytes[a] = s } this.pos = r } readAlignedByte() { if (this.pos % 8 !== 0) throw new Error("Bitstream is not byte-aligned."); let t = this.pos / 8, e = this.bytes[t] ?? 0; return this.pos += 8, e } skipBits(t) { this.pos += t } getBitsLeft() { return this.bytes.length * 8 - this.pos } clone() { let t = new n(this.bytes); return t.pos = this.pos, t } }; var Xe = [96e3, 88200, 64e3, 48e3, 44100, 32e3, 24e3, 22050, 16e3, 12e3, 11025, 8e3, 7350], Ct = [-1, 1, 2, 3, 4, 5, 6, 8], It = n => { if (!n || n.byteLength < 2) throw new TypeError("AAC description must be at least 2 bytes long."); let t = new H(n), e = t.readBits(5); e === 31 && (e = 32 + t.readBits(6)); let r = t.readBits(4), i = null; r === 15 ? i = t.readBits(24) : r < Xe.length && (i = Xe[r]); let a = t.readBits(4), s = null; return a >= 1 && a <= 7 && (s = Ct[a]), { objectType: e, frequencyIndex: r, sampleRate: i, channelConfiguration: a, numberOfChannels: s } }, ki = n => { let t = Xe.indexOf(n.sampleRate), e = null; t === -1 && (t = 15, e = n.sampleRate); let r = Ct.indexOf(n.numberOfChannels); if (r === -1) throw new TypeError(`Unsupported number of channels: ${n.numberOfChannels}`); let i = 13; n.objectType >= 32 && (i += 6), t === 15 && (i += 24); let a = Math.ceil(i / 8), s = new Uint8Array(a), o = new H(s); return n.objectType < 32 ? o.writeBits(5, n.objectType) : (o.writeBits(5, 31), o.writeBits(6, n.objectType - 32)), o.writeBits(4, t), t === 15 && o.writeBits(24, e), o.writeBits(4, r), s }, ka = n => { let t = new Uint8Array(7), e = new H(t), { objectType: r, frequencyIndex: i, channelConfiguration: a } = n, s = r - 1; return e.writeBits(12, 4095), e.writeBits(1, 0), e.writeBits(2, 0), e.writeBits(1, 1), e.writeBits(2, s), e.writeBits(4, i), e.writeBits(1, 0), e.writeBits(3, a), e.writeBits(1, 0), e.writeBits(1, 0), e.writeBits(1, 0), e.writeBits(1, 0), e.skipBits(13), e.writeBits(11, 2047), e.writeBits(2, 0), { header: t, bitstream: e } }, Ta = (n, t) => { n.pos = 30, n.writeBits(13, t) }; var re = ["avc", "hevc", "vp9", "av1", "vp8"], te = ["pcm-s16", "pcm-s16be", "pcm-s24", "pcm-s24be", "pcm-s32", "pcm-s32be", "pcm-f32", "pcm-f32be", "pcm-f64", "pcm-f64be", "pcm-u8", "pcm-s8", "ulaw", "alaw"], st = ["aac", "opus", "mp3", "vorbis", "flac", "ac3", "eac3"], se = [...st, ...te], Fe = ["webvtt"], dn = [{ maxMacroblocks: 99, maxBitrate: 64e3, maxDpbMbs: 396, level: 10 }, { maxMacroblocks: 396, maxBitrate: 192e3, maxDpbMbs: 900, level: 11 }, { maxMacroblocks: 396, maxBitrate: 384e3, maxDpbMbs: 2376, level: 12 }, { maxMacroblocks: 396, maxBitrate: 768e3, maxDpbMbs: 2376, level: 13 }, { maxMacroblocks: 396, maxBitrate: 2e6, maxDpbMbs: 2376, level: 20 }, { maxMacroblocks: 792, maxBitrate: 4e6, maxDpbMbs: 4752, level: 21 }, { maxMacroblocks: 1620, maxBitrate: 4e6, maxDpbMbs: 8100, level: 22 }, { maxMacroblocks: 1620, maxBitrate: 1e7, maxDpbMbs: 8100, level: 30 }, { maxMacroblocks: 3600, maxBitrate: 14e6, maxDpbMbs: 18e3, level: 31 }, { maxMacroblocks: 5120, maxBitrate: 2e7, maxDpbMbs: 20480, level: 32 }, { maxMacroblocks: 8192, maxBitrate: 2e7, maxDpbMbs: 32768, level: 40 }, { maxMacroblocks: 8192, maxBitrate: 5e7, maxDpbMbs: 32768, level: 41 }, { maxMacroblocks: 8704, maxBitrate: 5e7, maxDpbMbs: 34816, level: 42 }, { maxMacroblocks: 22080, maxBitrate: 135e6, maxDpbMbs: 110400, level: 50 }, { maxMacroblocks: 36864, maxBitrate: 24e7, maxDpbMbs: 184320, level: 51 }, { maxMacroblocks: 36864, maxBitrate: 24e7, maxDpbMbs: 184320, level: 52 }, { maxMacroblocks: 139264, maxBitrate: 24e7, maxDpbMbs: 696320, level: 60 }, { maxMacroblocks: 139264, maxBitrate: 48e7, maxDpbMbs: 696320, level: 61 }, { maxMacroblocks: 139264, maxBitrate: 8e8, maxDpbMbs: 696320, level: 62 }], Hu = [{ maxPictureSize: 36864, maxBitrate: 128e3, tier: "L", level: 30 }, { maxPictureSize: 122880, maxBitrate: 15e5, tier: "L", level: 60 }, { maxPictureSize: 245760, maxBitrate: 3e6, tier: "L", level: 63 }, { maxPictureSize: 552960, maxBitrate: 6e6, tier: "L", level: 90 }, { maxPictureSize: 983040, maxBitrate: 1e7, tier: "L", level: 93 }, { maxPictureSize: 2228224, maxBitrate: 12e6, tier: "L", level: 120 }, { maxPictureSize: 2228224, maxBitrate: 3e7, tier: "H", level: 120 }, { maxPictureSize: 2228224, maxBitrate: 2e7, tier: "L", level: 123 }, { maxPictureSize: 2228224, maxBitrate: 5e7, tier: "H", level: 123 }, { maxPictureSize: 8912896, maxBitrate: 25e6, tier: "L", level: 150 }, { maxPictureSize: 8912896, maxBitrate: 1e8, tier: "H", level: 150 }, { maxPictureSize: 8912896, maxBitrate: 4e7, tier: "L", level: 153 }, { maxPictureSize: 8912896, maxBitrate: 16e7, tier: "H", level: 153 }, { maxPictureSize: 8912896, maxBitrate: 6e7, tier: "L", level: 156 }, { maxPictureSize: 8912896, maxBitrate: 24e7, tier: "H", level: 156 }, { maxPictureSize: 35651584, maxBitrate: 6e7, tier: "L", level: 180 }, { maxPictureSize: 35651584, maxBitrate: 24e7, tier: "H", level: 180 }, { maxPictureSize: 35651584, maxBitrate: 12e7, tier: "L", level: 183 }, { maxPictureSize: 35651584, maxBitrate: 48e7, tier: "H", level: 183 }, { maxPictureSize: 35651584, maxBitrate: 24e7, tier: "L", level: 186 }, { maxPictureSize: 35651584, maxBitrate: 8e8, tier: "H", level: 186 }], Qt = [{ maxPictureSize: 36864, maxBitrate: 2e5, level: 10 }, { maxPictureSize: 73728, maxBitrate: 8e5, level: 11 }, { maxPictureSize: 122880, maxBitrate: 18e5, level: 20 }, { maxPictureSize: 245760, maxBitrate: 36e5, level: 21 }, { maxPictureSize: 552960, maxBitrate: 72e5, level: 30 }, { maxPictureSize: 983040, maxBitrate: 12e6, level: 31 }, { maxPictureSize: 2228224, maxBitrate: 18e6, level: 40 }, { maxPictureSize: 2228224, maxBitrate: 3e7, level: 41 }, { maxPictureSize: 8912896, maxBitrate: 6e7, level: 50 }, { maxPictureSize: 8912896, maxBitrate: 12e7, level: 51 }, { maxPictureSize: 8912896, maxBitrate: 18e7, level: 52 }, { maxPictureSize: 35651584, maxBitrate: 18e7, level: 60 }, { maxPictureSize: 35651584, maxBitrate: 24e7, level: 61 }, { maxPictureSize: 35651584, maxBitrate: 48e7, level: 62 }], qu = [{ maxPictureSize: 147456, maxBitrate: 15e5, tier: "M", level: 0 }, { maxPictureSize: 278784, maxBitrate: 3e6, tier: "M", level: 1 }, { maxPictureSize: 665856, maxBitrate: 6e6, tier: "M", level: 4 }, { maxPictureSize: 1065024, maxBitrate: 1e7, tier: "M", level: 5 }, { maxPictureSize: 2359296, maxBitrate: 12e6, tier: "M", level: 8 }, { maxPictureSize: 2359296, maxBitrate: 3e7, tier: "H", level: 8 }, { maxPictureSize: 2359296, maxBitrate: 2e7, tier: "M", level: 9 }, { maxPictureSize: 2359296, maxBitrate: 5e7, tier: "H", level: 9 }, { maxPictureSize: 8912896, maxBitrate: 3e7, tier: "M", level: 12 }, { maxPictureSize: 8912896, maxBitrate: 1e8, tier: "H", level: 12 }, { maxPictureSize: 8912896, maxBitrate: 4e7, tier: "M", level: 13 }, { maxPictureSize: 8912896, maxBitrate: 16e7, tier: "H", level: 13 }, { maxPictureSize: 8912896, maxBitrate: 6e7, tier: "M", level: 14 }, { maxPictureSize: 8912896, maxBitrate: 24e7, tier: "H", level: 14 }, { maxPictureSize: 35651584, maxBitrate: 6e7, tier: "M", level: 15 }, { maxPictureSize: 35651584, maxBitrate: 24e7, tier: "H", level: 15 }, { maxPictureSize: 35651584, maxBitrate: 6e7, tier: "M", level: 16 }, { maxPictureSize: 35651584, maxBitrate: 24e7, tier: "H", level: 16 }, { maxPictureSize: 35651584, maxBitrate: 1e8, tier: "M", level: 17 }, { maxPictureSize: 35651584, maxBitrate: 48e7, tier: "H", level: 17 }, { maxPictureSize: 35651584, maxBitrate: 16e7, tier: "M", level: 18 }, { maxPictureSize: 35651584, maxBitrate: 8e8, tier: "H", level: 18 }, { maxPictureSize: 35651584, maxBitrate: 16e7, tier: "M", level: 19 }, { maxPictureSize: 35651584, maxBitrate: 8e8, tier: "H", level: 19 }], Ku = ".01.01.01.01.00", Gu = ".0.110.01.01.01.0", wa = (n, t, e, r) => { if (n === "avc") { let a = Math.ceil(t / 16) * Math.ceil(e / 16), s = dn.find(m => a <= m.maxMacroblocks && r <= m.maxBitrate) ?? X(dn), o = s ? s.level : 0, c = "64".padStart(2, "0"), u = "00", l = o.toString(16).padStart(2, "0"); return `avc1.${c}${u}${l}` } else if (n === "hevc") { let i = "", s = "6", o = t * e, c = Hu.find(l => o <= l.maxPictureSize && r <= l.maxBitrate) ?? X(Hu); return `hev1.${i}1.${s}.${c.tier}${c.level}.B0` } else { if (n === "vp8") return "vp8"; if (n === "vp9") { let i = "00", a = t * e, s = Qt.find(c => a <= c.maxPictureSize && r <= c.maxBitrate) ?? X(Qt); return `vp09.${i}.${s.level.toString().padStart(2, "0")}.08` } else if (n === "av1") { let a = t * e, s = qu.find(u => a <= u.maxPictureSize && r <= u.maxBitrate) ?? X(qu); return `av01.0.${s.level.toString().padStart(2, "0")}${s.tier}.08` } } throw new TypeError(`Unhandled codec '${n}'.`) }, Qu = n => { let t = n.split("."), e = Number(t[1]), r = Number(t[2]), i = Number(t[3]), a = t[4] ? Number(t[4]) : 1; return [1, 1, e, 2, 1, r, 3, 1, i, 4, 1, a] }, Sa = n => { let t = n.split("."), i = (1 << 7) + 1, a = Number(t[1]), s = t[2], o = Number(s.slice(0, -1)), c = (a << 5) + o, u = s.slice(-1) === "H" ? 1 : 0, m = Number(t[3]) === 8 ? 0 : 1, d = 0, f = t[4] ? Number(t[4]) : 0, h = t[5] ? Number(t[5][0]) : 1, b = t[5] ? Number(t[5][1]) : 1, g = t[5] ? Number(t[5][2]) : 0, y = (u << 7) + (m << 6) + (d << 5) + (f << 4) + (h << 3) + (b << 2) + g; return [i, c, y, 0] }, Ti = n => { let { codec: t, codecDescription: e, colorSpace: r, avcCodecInfo: i, hevcCodecInfo: a, vp9CodecInfo: s, av1CodecInfo: o } = n; if (t === "avc") { if (p(n.avcType !== null), i) { let c = new Uint8Array([i.avcProfileIndication, i.profileCompatibility, i.avcLevelIndication]); return `avc${n.avcType}.${ur(c)}` } if (!e || e.byteLength < 4) throw new TypeError("AVC decoder description is not provided or is not at least 4 bytes long."); return `avc${n.avcType}.${ur(e.subarray(1, 4))}` } else if (t === "hevc") { let c, u, l, m, d, f; if (a) c = a.generalProfileSpace, u = a.generalProfileIdc, l = zo(a.generalProfileCompatibilityFlags), m = a.generalTierFlag, d = a.generalLevelIdc, f = [...a.generalConstraintIndicatorFlags]; else { if (!e || e.byteLength < 23) throw new TypeError("HEVC decoder description is not provided or is not at least 23 bytes long."); let b = U(e), g = b.getUint8(1); c = g >> 6 & 3, u = g & 31, l = zo(b.getUint32(2)), m = g >> 5 & 1, d = b.getUint8(12), f = []; for (let y = 0; y < 6; y++)f.push(b.getUint8(6 + y)) } let h = "hev1."; for (h += ["", "A", "B", "C"][c] + u, h += ".", h += l.toString(16).toUpperCase(), h += ".", h += m === 0 ? "L" : "H", h += d; f.length > 0 && f[f.length - 1] === 0;)f.pop(); return f.length > 0 && (h += ".", h += f.map(b => b.toString(16).toUpperCase()).join(".")), h } else { if (t === "vp8") return "vp8"; if (t === "vp9") { if (!s) { let y = n.width * n.height, k = X(Qt).level; for (let T of Qt) if (y <= T.maxPictureSize) { k = T.level; break } return `vp09.00.${k.toString().padStart(2, "0")}.08` } let c = s.profile.toString().padStart(2, "0"), u = s.level.toString().padStart(2, "0"), l = s.bitDepth.toString().padStart(2, "0"), m = s.chromaSubsampling.toString().padStart(2, "0"), d = s.colourPrimaries.toString().padStart(2, "0"), f = s.transferCharacteristics.toString().padStart(2, "0"), h = s.matrixCoefficients.toString().padStart(2, "0"), b = s.videoFullRangeFlag.toString().padStart(2, "0"), g = `vp09.${c}.${u}.${l}.${m}`; return g += `.${d}.${f}.${h}.${b}`, g.endsWith(Ku) && (g = g.slice(0, -Ku.length)), g } else if (t === "av1") { if (!o) { let T = n.width * n.height, w = X(Qt).level; for (let S of Qt) if (T <= S.maxPictureSize) { w = S.level; break } return `av01.0.${w.toString().padStart(2, "0")}M.08` } let c = o.profile, u = o.level.toString().padStart(2, "0"), l = o.tier ? "H" : "M", m = o.bitDepth.toString().padStart(2, "0"), d = o.monochrome ? "1" : "0", f = 100 * o.chromaSubsamplingX + 10 * o.chromaSubsamplingY + 1 * (o.chromaSubsamplingX && o.chromaSubsamplingY ? o.chromaSamplePosition : 0), h = r?.primaries ? rt[r.primaries] : 1, b = r?.transfer ? it[r.transfer] : 1, g = r?.matrix ? nt[r.matrix] : 1, y = r?.fullRange ? 1 : 0, k = `av01.${c}.${u}${l}.${m}`; return k += `.${d}.${f.toString().padStart(3, "0")}`, k += `.${h.toString().padStart(2, "0")}`, k += `.${b.toString().padStart(2, "0")}`, k += `.${g.toString().padStart(2, "0")}`, k += `.${y}`, k.endsWith(Gu) && (k = k.slice(0, -Gu.length)), k } } throw new TypeError(`Unhandled codec '${t}'.`) }, Aa = (n, t, e) => { if (n === "aac") return t >= 2 && e <= 24e3 ? "mp4a.40.29" : e <= 24e3 ? "mp4a.40.5" : "mp4a.40.2"; if (n === "mp3") return "mp3"; if (n === "opus") return "opus"; if (n === "vorbis") return "vorbis"; if (n === "flac") return "flac"; if (n === "ac3") return "ac-3"; if (n === "eac3") return "ec-3"; if (te.includes(n)) return n; throw new TypeError(`Unhandled codec '${n}'.`) }, wi = n => { let { codec: t, codecDescription: e, aacCodecInfo: r } = n; if (t === "aac") { if (!r) throw new TypeError("AAC codec info must be provided."); if (r.isMpeg2) return "mp4a.67"; { let i; return r.objectType !== null ? i = r.objectType : i = It(e).objectType, `mp4a.40.${i}` } } else { if (t === "mp3") return "mp3"; if (t === "opus") return "opus"; if (t === "vorbis") return "vorbis"; if (t === "flac") return "flac"; if (t === "ac3") return "ac-3"; if (t === "eac3") return "ec-3"; if (t && te.includes(t)) return t } throw new TypeError(`Unhandled codec '${t}'.`) }, ju = n => { }, Xu = n => { switch (n.codec) { case "flac": { let t = qr("ZkxhQ4AAACIQABAAAAYtACWtCsRC8AANRBhVFucAcYu5ASE2m1Dxv8tw"); return n.sampleRate >= 1 << 20 || n.numberOfChannels > 8 ? !1 : (t[18] = n.sampleRate >>> 12, t[19] = n.sampleRate >>> 4, t[20] = (n.sampleRate & 15) << 4 | n.numberOfChannels - 1 << 1, t) } case "vorbis": { let t = 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e = U(t); return e.setUint8(15, n.numberOfChannels), e.setUint32(16, n.sampleRate, !0), t } default: return } }, ot = 48e3, $u = /^pcm-([usf])(\d+)+(be)?$/, Ae = n => { if (p(te.includes(n)), n === "ulaw") return { dataType: "ulaw", sampleSize: 1, littleEndian: !0, silentValue: 255 }; if (n === "alaw") return { dataType: "alaw", sampleSize: 1, littleEndian: !0, silentValue: 213 }; let t = $u.exec(n); p(t); let e; t[1] === "u" ? e = "unsigned" : t[1] === "s" ? e = "signed" : e = "float"; let r = Number(t[2]) / 8, i = t[3] !== "be", a = n === "pcm-u8" ? 2 ** 7 : 0; return { dataType: e, sampleSize: r, littleEndian: i, silentValue: a } }, $e = n => n.startsWith("avc1") || n.startsWith("avc3") ? "avc" : n.startsWith("hev1") || n.startsWith("hvc1") ? "hevc" : n === "vp8" ? "vp8" : n.startsWith("vp09") ? "vp9" : n.startsWith("av01") ? "av1" : n === "mp3" || n === "mp4a.69" || n === "mp4a.6B" || n === "mp4a.6b" || n === "mp4a.40.34" ? "mp3" : n.startsWith("mp4a.40.") || n === "mp4a.67" ? "aac" : n === "opus" ? "opus" : n === "vorbis" ? "vorbis" : n === "flac" ? "flac" : n === "ac-3" || n === "ac3" ? "ac3" : n === "ec-3" || n === "eac3" ? "eac3" : n === "ulaw" ? "ulaw" : n === "alaw" ? "alaw" : $u.test(n) ? n : n === "webvtt" ? "webvtt" : null, Yu = n => n === "avc" ? { avc: { format: "avc" } } : n === "hevc" ? { hevc: { format: "hevc" } } : {}, Zu = n => n === "aac" ? { aac: { format: "aac" } } : n === "opus" ? { opus: { format: "opus" } } : {}, ym = ["avc1", "avc3", "hev1", "hvc1", "vp8", "vp09", "av01"], km = /^(avc1|avc3)\.[0-9a-fA-F]{6}$/, Tm = /^(hev1|hvc1)\.(?:[ABC]?\d+)\.[0-9a-fA-F]{1,8}\.[LH]\d+(?:\.[0-9a-fA-F]{1,2}){0,6}$/, wm = /^vp09(?:\.\d{2}){3}(?:(?:\.\d{2}){5})?$/, Sm = /^av01\.\d\.\d{2}[MH]\.\d{2}(?:\.\d\.\d{3}\.\d{2}\.\d{2}\.\d{2}\.\d)?$/, pr = n => { if (!n) throw new TypeError("Video chunk metadata must be provided."); if (typeof n != "object") throw new TypeError("Video chunk metadata must be an object."); if (!n.decoderConfig) throw new TypeError("Video chunk metadata must include a decoder configuration."); if (typeof n.decoderConfig != "object") throw new TypeError("Video chunk metadata decoder configuration must be an object."); if (typeof n.decoderConfig.codec != "string") throw new TypeError("Video chunk metadata decoder configuration must specify a codec string."); if (!ym.some(t => n.decoderConfig.codec.startsWith(t))) throw new TypeError("Video chunk metadata decoder configuration codec string must be a valid video codec string as specified in the Mediabunny Codec Registry."); if (!Number.isInteger(n.decoderConfig.codedWidth) || n.decoderConfig.codedWidth <= 0) throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedWidth (positive integer)."); if (!Number.isInteger(n.decoderConfig.codedHeight) || n.decoderConfig.codedHeight <= 0) throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedHeight (positive integer)."); if (n.decoderConfig.displayAspectWidth !== void 0 && (!Number.isInteger(n.decoderConfig.displayAspectWidth) || n.decoderConfig.displayAspectWidth <= 0)) throw new TypeError("Video chunk metadata decoder configuration displayAspectWidth, when defined, must be a positive integer."); if (n.decoderConfig.displayAspectHeight !== void 0 && (!Number.isInteger(n.decoderConfig.displayAspectHeight) || n.decoderConfig.displayAspectHeight <= 0)) throw new TypeError("Video chunk metadata decoder configuration displayAspectHeight, when defined, must be a positive integer."); if (n.decoderConfig.displayAspectWidth !== void 0 != (n.decoderConfig.displayAspectHeight !== void 0)) throw new TypeError("Video chunk metadata decoder configuration must specify both displayAspectWidth and displayAspectHeight, or neither."); if (n.decoderConfig.description !== void 0 && !zt(n.decoderConfig.description)) throw new TypeError("Video chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer view."); if (n.decoderConfig.colorSpace !== void 0) { let { colorSpace: t } = n.decoderConfig; if (typeof t != "object") throw new TypeError("Video chunk metadata decoder configuration colorSpace, when provided, must be an object."); let e = Object.keys(rt); if (t.primaries != null && !e.includes(t.primaries)) throw new TypeError(`Video chunk metadata decoder configuration colorSpace primaries, when defined, must be one of ${e.join(", ")}.`); let r = Object.keys(it); if (t.transfer != null && !r.includes(t.transfer)) throw new TypeError(`Video chunk metadata decoder configuration colorSpace transfer, when defined, must be one of ${r.join(", ")}.`); let i = Object.keys(nt); if (t.matrix != null && !i.includes(t.matrix)) throw new TypeError(`Video chunk metadata decoder configuration colorSpace matrix, when defined, must be one of ${i.join(", ")}.`); if (t.fullRange != null && typeof t.fullRange != "boolean") throw new TypeError("Video chunk metadata decoder configuration colorSpace fullRange, when defined, must be a boolean.") } if (n.decoderConfig.codec.startsWith("avc1") || n.decoderConfig.codec.startsWith("avc3")) { if (!km.test(n.decoderConfig.codec)) throw new TypeError("Video chunk metadata decoder configuration codec string for AVC must be a valid AVC codec string as specified in Section 3.4 of RFC 6381.") } else if (n.decoderConfig.codec.startsWith("hev1") || n.decoderConfig.codec.startsWith("hvc1")) { if (!Tm.test(n.decoderConfig.codec)) throw new TypeError("Video chunk metadata decoder configuration codec string for HEVC must be a valid HEVC codec string as specified in Section E.3 of ISO 14496-15.") } else if (n.decoderConfig.codec.startsWith("vp8")) { if (n.decoderConfig.codec !== "vp8") throw new TypeError('Video chunk metadata decoder configuration codec string for VP8 must be "vp8".') } else if (n.decoderConfig.codec.startsWith("vp09")) { if (!wm.test(n.decoderConfig.codec)) throw new TypeError('Video chunk metadata decoder configuration codec string for VP9 must be a valid VP9 codec string as specified in Section "Codecs Parameter String" of https://www.webmproject.org/vp9/mp4/.') } else if (n.decoderConfig.codec.startsWith("av01") && !Sm.test(n.decoderConfig.codec)) throw new TypeError('Video chunk metadata decoder configuration codec string for AV1 must be a valid AV1 codec string as specified in Section "Codecs Parameter String" of https://aomediacodec.github.io/av1-isobmff/.') }, Am = ["mp4a", "mp3", "opus", "vorbis", "flac", "ulaw", "alaw", "pcm", "ac-3", "ec-3"], _e = n => { if (!n) throw new TypeError("Audio chunk metadata must be provided."); if (typeof n != "object") throw new TypeError("Audio chunk metadata must be an object."); if (!n.decoderConfig) throw new TypeError("Audio chunk metadata must include a decoder configuration."); if (typeof n.decoderConfig != "object") throw new TypeError("Audio chunk metadata decoder configuration must be an object."); if (typeof n.decoderConfig.codec != "string") throw new TypeError("Audio chunk metadata decoder configuration must specify a codec string."); if (!Am.some(t => n.decoderConfig.codec.startsWith(t))) throw new TypeError("Audio chunk metadata decoder configuration codec string must be a valid audio codec string as specified in the Mediabunny Codec Registry."); if (!Number.isInteger(n.decoderConfig.sampleRate) || n.decoderConfig.sampleRate <= 0) throw new TypeError("Audio chunk metadata decoder configuration must specify a valid sampleRate (positive integer)."); if (!Number.isInteger(n.decoderConfig.numberOfChannels) || n.decoderConfig.numberOfChannels <= 0) throw new TypeError("Audio chunk metadata decoder configuration must specify a valid numberOfChannels (positive integer)."); if (n.decoderConfig.description !== void 0 && !zt(n.decoderConfig.description)) throw new TypeError("Audio chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer view."); if (n.decoderConfig.codec.startsWith("mp4a") && n.decoderConfig.codec !== "mp4a.69" && n.decoderConfig.codec !== "mp4a.6B" && n.decoderConfig.codec !== "mp4a.6b") { if (!["mp4a.40.2", "mp4a.40.02", "mp4a.40.5", "mp4a.40.05", "mp4a.40.29", "mp4a.67"].includes(n.decoderConfig.codec)) throw new TypeError("Audio chunk metadata decoder configuration codec string for AAC must be a valid AAC codec string as specified in https://www.w3.org/TR/webcodecs-aac-codec-registration/.") } else if (n.decoderConfig.codec.startsWith("mp3") || n.decoderConfig.codec.startsWith("mp4a")) { if (n.decoderConfig.codec !== "mp3" && n.decoderConfig.codec !== "mp4a.69" && n.decoderConfig.codec !== "mp4a.6B" && n.decoderConfig.codec !== "mp4a.6b") throw new TypeError('Audio chunk metadata decoder configuration codec string for MP3 must be "mp3", "mp4a.69" or "mp4a.6B".') } else if (n.decoderConfig.codec.startsWith("opus")) { if (n.decoderConfig.codec !== "opus") throw new TypeError('Audio chunk metadata decoder configuration codec string for Opus must be "opus".'); if (n.decoderConfig.description && n.decoderConfig.description.byteLength < 18) throw new TypeError("Audio chunk metadata decoder configuration description, when specified, is expected to be an Identification Header as specified in Section 5.1 of RFC 7845.") } else if (n.decoderConfig.codec.startsWith("vorbis")) { if (n.decoderConfig.codec !== "vorbis") throw new TypeError('Audio chunk metadata decoder configuration codec string for Vorbis must be "vorbis".'); if (!n.decoderConfig.description) throw new TypeError("Audio chunk metadata decoder configuration for Vorbis must include a description, which is expected to adhere to the format described in https://www.w3.org/TR/webcodecs-vorbis-codec-registration/.") } else if (n.decoderConfig.codec.startsWith("flac")) { if (n.decoderConfig.codec !== "flac") throw new TypeError('Audio chunk metadata decoder configuration codec string for FLAC must be "flac".'); if (!n.decoderConfig.description || n.decoderConfig.description.byteLength < 42) throw new TypeError("Audio chunk metadata decoder configuration for FLAC must include a description, which is expected to adhere to the format described in https://www.w3.org/TR/webcodecs-flac-codec-registration/.") } else if (n.decoderConfig.codec.startsWith("ac-3") || n.decoderConfig.codec.startsWith("ac3")) { if (n.decoderConfig.codec !== "ac-3") throw new TypeError('Audio chunk metadata decoder configuration codec string for AC-3 must be "ac-3".') } else if (n.decoderConfig.codec.startsWith("ec-3") || n.decoderConfig.codec.startsWith("eac3")) { if (n.decoderConfig.codec !== "ec-3") throw new TypeError('Audio chunk metadata decoder configuration codec string for EC-3 must be "ec-3".') } else if ((n.decoderConfig.codec.startsWith("pcm") || n.decoderConfig.codec.startsWith("ulaw") || n.decoderConfig.codec.startsWith("alaw")) && !te.includes(n.decoderConfig.codec)) throw new TypeError(`Audio chunk metadata decoder configuration codec string for PCM must be one of the supported PCM codecs (${te.join(", ")}).`) }, xa = n => { if (!n) throw new TypeError("Subtitle metadata must be provided."); if (typeof n != "object") throw new TypeError("Subtitle metadata must be an object."); if (!n.config) throw new TypeError("Subtitle metadata must include a config object."); if (typeof n.config != "object") throw new TypeError("Subtitle metadata config must be an object."); if (typeof n.config.description != "string") throw new TypeError("Subtitle metadata config description must be a string.") }; var xm = [44100, 48e3, 32e3], Pa = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, -1, -1, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, -1, -1, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, -1, -1, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, -1, -1, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, -1], hr = 1483304551, Si = 1231971951, Ca = (n, t, e, r, i) => t === 0 ? 0 : t === 1 ? Math.floor(144 * e / (r << n)) + i : t === 2 ? Math.floor(144 * e / r) + i : (Math.floor(12 * e / r) + i) * 4, Ju = (n, t, e, r) => t === 0 ? 0 : t === 1 ? 144 * e / (r << n) : t === 2 ? 144 * e / r : 12 * e / r * 4, gr = (n, t) => n === 3 ? t === 3 ? 21 : 36 : t === 3 ? 13 : 21, Gr = (n, t) => { let e = n >>> 24, r = n >>> 16 & 255, i = n >>> 8 & 255, a = n & 255; if (e !== 255 && r !== 255 && i !== 255 && a !== 255) return { header: null, bytesAdvanced: 4 }; if (e !== 255) return { header: null, bytesAdvanced: 1 }; if ((r & 224) !== 224) return { header: null, bytesAdvanced: 1 }; let s = 0, o = 0; r & 16 ? s = r & 8 ? 0 : 1 : (s = 1, o = 1); let c = r >> 3 & 3, u = r >> 1 & 3, l = i >> 4 & 15, m = (i >> 2 & 3) % 3, d = i >> 1 & 1, f = a >> 6 & 3, h = a >> 4 & 3, b = a >> 3 & 1, g = a >> 2 & 1, y = a & 3, k = Pa[s * 16 * 4 + u * 16 + l]; if (k === -1) return { header: null, bytesAdvanced: 1 }; let T = k * 1e3, w = xm[m] >> s + o, S = Ca(s, u, T, w, d); if (t !== null && t < S) return { header: null, bytesAdvanced: 1 }; let x; return c === 3 ? x = u === 3 ? 384 : 1152 : u === 3 ? x = 384 : u === 2 ? x = 1152 : x = 576, { header: { totalSize: S, mpegVersionId: c, lowSamplingFrequency: s, layer: u, bitrate: T, frequencyIndex: m, sampleRate: w, channel: f, modeExtension: h, copyright: b, original: g, emphasis: y, audioSamplesInFrame: x }, bytesAdvanced: 1 } }, el = n => { let t = 127, e = 0, r = n; for (; (t ^ 2147483647) !== 0;)e = r & ~t, e <<= 1, e |= r & t, t = (t + 1 << 8) - 1, r = e; return e }, Ia = n => { let t = 2130706432, e = 0; for (; t !== 0;)e >>= 1, e |= n & t, t >>= 8; return e }; var Qr = [48e3, 44100, 32e3], Ko = [24e3, 22050, 16e3]; var br = function* (n) { let t = 0, e = -1; for (; t < n.length - 2;) { let r = n.indexOf(0, t); if (r === -1 || r >= n.length - 2) break; t = r; let i = 0; if (t + 3 < n.length && n[t + 1] === 0 && n[t + 2] === 0 && n[t + 3] === 1 ? i = 4 : n[t + 1] === 0 && n[t + 2] === 1 && (i = 3), i === 0) { t++; continue } e !== -1 && t > e && (yield { offset: e, length: t - e }), e = t + i, t = e } e !== -1 && e < n.length && (yield { offset: e, length: n.length - e }) }, Ea = function* (n, t) { let e = 0, r = new DataView(n.buffer, n.byteOffset, n.byteLength); for (; e + t <= n.length;) { let i; t === 1 ? i = r.getUint8(e) : t === 2 ? i = r.getUint16(e, !1) : t === 3 ? i = Lr(r, e, !1) : (p(t === 4), i = r.getUint32(e, !1)), e += t, yield { offset: e, length: i }, e += i } }, Qo = (n, t) => { if (t.description) { let i = (j(t.description)[4] & 3) + 1; return Ea(n, i) } else return br(n) }, jt = n => n & 31, va = n => { let t = [], e = n.length; for (let r = 0; r < e; r++)r + 2 < e && n[r] === 0 && n[r + 1] === 0 && n[r + 2] === 3 ? (t.push(0, 0), r += 2) : t.push(n[r]); return new Uint8Array(t) }, Go = new Uint8Array([0, 0, 0, 1]), fn = n => { let t = n.reduce((i, a) => i + Go.byteLength + a.byteLength, 0), e = new Uint8Array(t), r = 0; for (let i of n) e.set(Go, r), r += Go.byteLength, e.set(i, r), r += i.byteLength; return e }, _a = (n, t) => { let e = n.reduce((a, s) => a + t + s.byteLength, 0), r = new Uint8Array(e), i = 0; for (let a of n) { let s = new DataView(r.buffer, r.byteOffset, r.byteLength); switch (t) { case 1: s.setUint8(i, a.byteLength); break; case 2: s.setUint16(i, a.byteLength, !1); break; case 3: Wr(s, i, a.byteLength, !1); break; case 4: s.setUint32(i, a.byteLength, !1); break }i += t, r.set(a, i), i += a.byteLength } return r }, il = (n, t) => { if (t.description) { let i = (j(t.description)[4] & 3) + 1; return _a(n, i) } else return fn(n) }, Ai = n => { try { let t = [], e = [], r = []; for (let o of br(n)) { let c = n.subarray(o.offset, o.offset + o.length), u = jt(c[0]); u === 7 ? t.push(c) : u === 8 ? e.push(c) : u === 13 && r.push(c) } if (t.length === 0 || e.length === 0) return null; let i = t[0], a = pn(i); p(a !== null); let s = a.profileIdc === 100 || a.profileIdc === 110 || a.profileIdc === 122 || a.profileIdc === 144; return { configurationVersion: 1, avcProfileIndication: a.profileIdc, profileCompatibility: a.constraintFlags, avcLevelIndication: a.levelIdc, lengthSizeMinusOne: 3, sequenceParameterSets: t, pictureParameterSets: e, chromaFormat: s ? a.chromaFormatIdc : null, bitDepthLumaMinus8: s ? a.bitDepthLumaMinus8 : null, bitDepthChromaMinus8: s ? a.bitDepthChromaMinus8 : null, sequenceParameterSetExt: s ? r : null } } catch (t) { return console.error("Error building AVC Decoder Configuration Record:", t), null } }, nl = n => { let t = []; t.push(n.configurationVersion), t.push(n.avcProfileIndication), t.push(n.profileCompatibility), t.push(n.avcLevelIndication), t.push(252 | n.lengthSizeMinusOne & 3), t.push(224 | n.sequenceParameterSets.length & 31); for (let e of n.sequenceParameterSets) { let r = e.byteLength; t.push(r >> 8), t.push(r & 255); for (let i = 0; i < r; i++)t.push(e[i]) } t.push(n.pictureParameterSets.length); for (let e of n.pictureParameterSets) { let r = e.byteLength; t.push(r >> 8), t.push(r & 255); for (let i = 0; i < r; i++)t.push(e[i]) } if (n.avcProfileIndication === 100 || n.avcProfileIndication === 110 || n.avcProfileIndication === 122 || n.avcProfileIndication === 144) { p(n.chromaFormat !== null), p(n.bitDepthLumaMinus8 !== null), p(n.bitDepthChromaMinus8 !== null), p(n.sequenceParameterSetExt !== null), t.push(252 | n.chromaFormat & 3), t.push(248 | n.bitDepthLumaMinus8 & 7), t.push(248 | n.bitDepthChromaMinus8 & 7), t.push(n.sequenceParameterSetExt.length); for (let e of n.sequenceParameterSetExt) { let r = e.byteLength; t.push(r >> 8), t.push(r & 255); for (let i = 0; i < r; i++)t.push(e[i]) } } return new Uint8Array(t) }, Ra = n => { try { let t = U(n), e = 0, r = t.getUint8(e++), i = t.getUint8(e++), a = t.getUint8(e++), s = t.getUint8(e++), o = t.getUint8(e++) & 3, c = t.getUint8(e++) & 31, u = []; for (let f = 0; f < c; f++) { let h = t.getUint16(e, !1); e += 2, u.push(n.subarray(e, e + h)), e += h } let l = t.getUint8(e++), m = []; for (let f = 0; f < l; f++) { let h = t.getUint16(e, !1); e += 2, m.push(n.subarray(e, e + h)), e += h } let d = { configurationVersion: r, avcProfileIndication: i, profileCompatibility: a, avcLevelIndication: s, lengthSizeMinusOne: o, sequenceParameterSets: u, pictureParameterSets: m, chromaFormat: null, bitDepthLumaMinus8: null, bitDepthChromaMinus8: null, sequenceParameterSetExt: null }; if ((i === 100 || i === 110 || i === 122 || i === 144) && e + 4 <= n.length) { let f = t.getUint8(e++) & 3, h = t.getUint8(e++) & 7, b = t.getUint8(e++) & 7, g = t.getUint8(e++); d.chromaFormat = f, d.bitDepthLumaMinus8 = h, d.bitDepthChromaMinus8 = b; let y = []; for (let k = 0; k < g; k++) { let T = t.getUint16(e, !1); e += 2, y.push(n.subarray(e, e + T)), e += T } d.sequenceParameterSetExt = y } return d } catch (t) { return console.error("Error deserializing AVC Decoder Configuration Record:", t), null } }, al = { 1: { num: 1, den: 1 }, 2: { num: 12, den: 11 }, 3: { num: 10, den: 11 }, 4: { num: 16, den: 11 }, 5: { num: 40, den: 33 }, 6: { num: 24, den: 11 }, 7: { num: 20, den: 11 }, 8: { num: 32, den: 11 }, 9: { num: 80, den: 33 }, 10: { num: 18, den: 11 }, 11: { num: 15, den: 11 }, 12: { num: 64, den: 33 }, 13: { num: 160, den: 99 }, 14: { num: 4, den: 3 }, 15: { num: 3, den: 2 }, 16: { num: 2, den: 1 } }, pn = n => { try { let t = new H(va(n)); if (t.skipBits(1), t.skipBits(2), t.readBits(5) !== 7) return null; let r = t.readAlignedByte(), i = t.readAlignedByte(), a = t.readAlignedByte(); M(t); let s = 1, o = 0, c = 0, u = 0; if ((r === 100 || r === 110 || r === 122 || r === 244 || r === 44 || r === 83 || r === 86 || r === 118 || r === 128) && (s = M(t), s === 3 && (u = t.readBits(1)), o = M(t), c = M(t), t.skipBits(1), t.readBits(1))) { for (let v = 0; v < (s !== 3 ? 8 : 12); v++)if (t.readBits(1)) { let D = v < 6 ? 16 : 64, z = 8, V = 8; for (let L = 0; L < D; L++) { if (V !== 0) { let Z = wt(t); V = (z + Z + 256) % 256 } z = V === 0 ? z : V } } } M(t); let l = M(t); if (l === 0) M(t); else if (l === 1) { t.skipBits(1), wt(t), wt(t); let F = M(t); for (let v = 0; v < F; v++)wt(t) } M(t), t.skipBits(1); let m = M(t), d = M(t), f = 16 * (m + 1), h = 16 * (d + 1), b = f, g = h, y = t.readBits(1); if (y || t.skipBits(1), t.skipBits(1), t.readBits(1)) { let F = M(t), v = M(t), E = M(t), D = M(t), z, V; if ((u === 0 ? s : 0) === 0) z = 1, V = 2 - y; else { let Z = s === 3 ? 1 : 2, oe = s === 1 ? 2 : 1; z = Z, V = oe * (2 - y) } b -= z * (F + v), g -= V * (E + D) } let T = 2, w = 2, S = 2, x = 0, P = { num: 1, den: 1 }, A = null, C = null; if (t.readBits(1)) { if (t.readBits(1)) { let oe = t.readBits(8); if (oe === 255) P = { num: t.readBits(16), den: t.readBits(16) }; else { let Vt = al[oe]; Vt && (P = Vt) } } t.readBits(1) && t.skipBits(1), t.readBits(1) && (t.skipBits(3), x = t.readBits(1), t.readBits(1) && (T = t.readBits(8), w = t.readBits(8), S = t.readBits(8))), t.readBits(1) && (M(t), M(t)), t.readBits(1) && (t.skipBits(32), t.skipBits(32), t.skipBits(1)); let V = t.readBits(1); V && tl(t); let L = t.readBits(1); L && tl(t), (V || L) && t.skipBits(1), t.skipBits(1), t.readBits(1) && (t.skipBits(1), M(t), M(t), M(t), M(t), A = M(t), C = M(t)) } if (A === null) { p(C === null); let F = i & 16; if ((r === 44 || r === 86 || r === 100 || r === 110 || r === 122 || r === 244) && F) A = 0, C = 0; else { let v = m + 1, E = d + 1, D = (2 - y) * E, z = dn.find(L => L.level >= a) ?? X(dn), V = Math.min(Math.floor(z.maxDpbMbs / (v * D)), 16); A = V, C = V } } return p(C !== null), { profileIdc: r, constraintFlags: i, levelIdc: a, frameMbsOnlyFlag: y, chromaFormatIdc: s, bitDepthLumaMinus8: o, bitDepthChromaMinus8: c, codedWidth: f, codedHeight: h, displayWidth: b, displayHeight: g, pixelAspectRatio: P, colourPrimaries: T, matrixCoefficients: S, transferCharacteristics: w, fullRangeFlag: x, numReorderFrames: A, maxDecFrameBuffering: C } } catch (t) { return console.error("Error parsing AVC SPS:", t), null } }, tl = n => { let t = M(n); n.skipBits(4), n.skipBits(4); for (let e = 0; e <= t; e++)M(n), M(n), n.skipBits(1); n.skipBits(5), n.skipBits(5), n.skipBits(5), n.skipBits(5) }, Pm = (n, t) => { if (t.description) { let i = (j(t.description)[21] & 3) + 1; return _a(n, i) } else return fn(n) }, mn = (n, t) => { if (t.description) { let i = (j(t.description)[21] & 3) + 1; return Ea(n, i) } else return br(n) }, ct = n => n >> 1 & 63, jo = n => { try { let t = new H(va(n)); t.skipBits(16), t.readBits(4); let e = t.readBits(3), r = t.readBits(1), { general_profile_space: i, general_tier_flag: a, general_profile_idc: s, general_profile_compatibility_flags: o, general_constraint_indicator_flags: c, general_level_idc: u } = Cm(t, e); M(t); let l = M(t), m = 0; l === 3 && (m = t.readBits(1)); let d = M(t), f = M(t), h = d, b = f; if (t.readBits(1)) { let v = M(t), E = M(t), D = M(t), z = M(t), V = 1, L = 1, Z = m === 0 ? l : 0; Z === 1 ? (V = 2, L = 2) : Z === 2 && (V = 2, L = 1), h -= (v + E) * V, b -= (D + z) * L } let g = M(t), y = M(t); M(t); let T = t.readBits(1) ? 0 : e, w = 0; for (let v = T; v <= e; v++)M(t), w = M(t), M(t); M(t), M(t), M(t), M(t), M(t), M(t), t.readBits(1) && t.readBits(1) && Im(t), t.skipBits(1), t.skipBits(1), t.readBits(1) && (t.skipBits(4), t.skipBits(4), M(t), M(t), t.skipBits(1)); let S = M(t); if (Em(t, S), t.readBits(1)) { let v = M(t); for (let E = 0; E < v; E++)M(t), t.skipBits(1) } t.skipBits(1), t.skipBits(1); let x = 2, P = 2, A = 2, C = 0, I = 0, F = { num: 1, den: 1 }; if (t.readBits(1)) { let v = _m(t, e); F = v.pixelAspectRatio, x = v.colourPrimaries, P = v.transferCharacteristics, A = v.matrixCoefficients, C = v.fullRangeFlag, I = v.minSpatialSegmentationIdc } return { displayWidth: h, displayHeight: b, pixelAspectRatio: F, colourPrimaries: x, transferCharacteristics: P, matrixCoefficients: A, fullRangeFlag: C, maxDecFrameBuffering: w + 1, spsMaxSubLayersMinus1: e, spsTemporalIdNestingFlag: r, generalProfileSpace: i, generalTierFlag: a, generalProfileIdc: s, generalProfileCompatibilityFlags: o, generalConstraintIndicatorFlags: c, generalLevelIdc: u, chromaFormatIdc: l, bitDepthLumaMinus8: g, bitDepthChromaMinus8: y, minSpatialSegmentationIdc: I } } catch (t) { return console.error("Error parsing HEVC SPS:", t), null } }, xi = n => { try { let t = [], e = [], r = [], i = []; for (let u of br(n)) { let l = n.subarray(u.offset, u.offset + u.length), m = ct(l[0]); m === 32 ? t.push(l) : m === 33 ? e.push(l) : m === 34 ? r.push(l) : (m === 39 || m === 40) && i.push(l) } if (e.length === 0 || r.length === 0) return null; let a = jo(e[0]); if (!a) return null; let s = 0; if (r.length > 0) { let u = r[0], l = new H(va(u)); l.skipBits(16), M(l), M(l), l.skipBits(1), l.skipBits(1), l.skipBits(3), l.skipBits(1), l.skipBits(1), M(l), M(l), wt(l), l.skipBits(1), l.skipBits(1), l.readBits(1) && M(l), wt(l), wt(l), l.skipBits(1), l.skipBits(1), l.skipBits(1), l.skipBits(1); let m = l.readBits(1), d = l.readBits(1); !m && !d ? s = 0 : m && !d ? s = 2 : !m && d ? s = 3 : s = 0 } let o = [...t.length ? [{ arrayCompleteness: 1, nalUnitType: 32, nalUnits: t }] : [], ...e.length ? [{ arrayCompleteness: 1, nalUnitType: 33, nalUnits: e }] : [], ...r.length ? [{ arrayCompleteness: 1, nalUnitType: 34, nalUnits: r }] : [], ...i.length ? [{ arrayCompleteness: 1, nalUnitType: ct(i[0][0]), nalUnits: i }] : []]; return { configurationVersion: 1, generalProfileSpace: a.generalProfileSpace, generalTierFlag: a.generalTierFlag, generalProfileIdc: a.generalProfileIdc, generalProfileCompatibilityFlags: a.generalProfileCompatibilityFlags, generalConstraintIndicatorFlags: a.generalConstraintIndicatorFlags, generalLevelIdc: a.generalLevelIdc, minSpatialSegmentationIdc: a.minSpatialSegmentationIdc, parallelismType: s, chromaFormatIdc: a.chromaFormatIdc, bitDepthLumaMinus8: a.bitDepthLumaMinus8, bitDepthChromaMinus8: a.bitDepthChromaMinus8, avgFrameRate: 0, constantFrameRate: 0, numTemporalLayers: a.spsMaxSubLayersMinus1 + 1, temporalIdNested: a.spsTemporalIdNestingFlag, lengthSizeMinusOne: 3, arrays: o } } catch (t) { return console.error("Error building HEVC Decoder Configuration Record:", t), null } }, Cm = (n, t) => { let e = n.readBits(2), r = n.readBits(1), i = n.readBits(5), a = 0; for (let l = 0; l < 32; l++)a = a << 1 | n.readBits(1); let s = new Uint8Array(6); for (let l = 0; l < 6; l++)s[l] = n.readBits(8); let o = n.readBits(8), c = [], u = []; for (let l = 0; l < t; l++)c.push(n.readBits(1)), u.push(n.readBits(1)); if (t > 0) for (let l = t; l < 8; l++)n.skipBits(2); for (let l = 0; l < t; l++)c[l] && n.skipBits(88), u[l] && n.skipBits(8); return { general_profile_space: e, general_tier_flag: r, general_profile_idc: i, general_profile_compatibility_flags: a, general_constraint_indicator_flags: s, general_level_idc: o } }, Im = n => { for (let t = 0; t < 4; t++)for (let e = 0; e < (t === 3 ? 2 : 6); e++)if (!n.readBits(1)) M(n); else { let i = Math.min(64, 1 << 4 + (t << 1)); t > 1 && wt(n); for (let a = 0; a < i; a++)wt(n) } }, Em = (n, t) => { let e = []; for (let r = 0; r < t; r++)e[r] = vm(n, r, t, e) }, vm = (n, t, e, r) => { let i = 0, a = 0, s = 0; if (t !== 0 && (a = n.readBits(1)), a) { if (t === e) { let c = M(n); s = t - (c + 1) } else s = t - 1; n.readBits(1), M(n); let o = r[s] ?? 0; for (let c = 0; c <= o; c++)n.readBits(1) || n.readBits(1); i = r[s] } else { let o = M(n), c = M(n); for (let u = 0; u < o; u++)M(n), n.readBits(1); for (let u = 0; u < c; u++)M(n), n.readBits(1); i = o + c } return i }, _m = (n, t) => { let e = 2, r = 2, i = 2, a = 0, s = 0, o = { num: 1, den: 1 }; if (n.readBits(1)) { let c = n.readBits(8); if (c === 255) o = { num: n.readBits(16), den: n.readBits(16) }; else { let u = al[c]; u && (o = u) } } return n.readBits(1) && n.readBits(1), n.readBits(1) && (n.readBits(3), a = n.readBits(1), n.readBits(1) && (e = n.readBits(8), r = n.readBits(8), i = n.readBits(8))), n.readBits(1) && (M(n), M(n)), n.readBits(1), n.readBits(1), n.readBits(1), n.readBits(1) && (M(n), M(n), M(n), M(n)), n.readBits(1) && (n.readBits(32), n.readBits(32), n.readBits(1) && M(n), n.readBits(1) && Rm(n, !0, t)), n.readBits(1) && (n.readBits(1), n.readBits(1), n.readBits(1), s = M(n), M(n), M(n), M(n), M(n)), { pixelAspectRatio: o, colourPrimaries: e, transferCharacteristics: r, matrixCoefficients: i, fullRangeFlag: a, minSpatialSegmentationIdc: s } }, Rm = (n, t, e) => { let r = !1, i = !1, a = !1; t && (r = n.readBits(1) === 1, i = n.readBits(1) === 1, (r || i) && (a = n.readBits(1) === 1, a && (n.readBits(8), n.readBits(5), n.readBits(1), n.readBits(5)), n.readBits(4), n.readBits(4), a && n.readBits(4), n.readBits(5), n.readBits(5), n.readBits(5))); for (let s = 0; s <= e; s++) { let o = n.readBits(1) === 1, c = !0; o || (c = n.readBits(1) === 1); let u = !1; c ? M(n) : u = n.readBits(1) === 1; let l = 1; u || (l = M(n) + 1), r && rl(n, l, a), i && rl(n, l, a) } }, rl = (n, t, e) => { for (let r = 0; r < t; r++)M(n), M(n), e && (M(n), M(n)), n.readBits(1) }, sl = n => { let t = []; t.push(n.configurationVersion), t.push((n.generalProfileSpace & 3) << 6 | (n.generalTierFlag & 1) << 5 | n.generalProfileIdc & 31), t.push(n.generalProfileCompatibilityFlags >>> 24 & 255), t.push(n.generalProfileCompatibilityFlags >>> 16 & 255), t.push(n.generalProfileCompatibilityFlags >>> 8 & 255), t.push(n.generalProfileCompatibilityFlags & 255), t.push(...n.generalConstraintIndicatorFlags), t.push(n.generalLevelIdc & 255), t.push(240 | n.minSpatialSegmentationIdc >> 8 & 15), t.push(n.minSpatialSegmentationIdc & 255), t.push(252 | n.parallelismType & 3), t.push(252 | n.chromaFormatIdc & 3), t.push(248 | n.bitDepthLumaMinus8 & 7), t.push(248 | n.bitDepthChromaMinus8 & 7), t.push(n.avgFrameRate >> 8 & 255), t.push(n.avgFrameRate & 255), t.push((n.constantFrameRate & 3) << 6 | (n.numTemporalLayers & 7) << 3 | (n.temporalIdNested & 1) << 2 | n.lengthSizeMinusOne & 3), t.push(n.arrays.length & 255); for (let e of n.arrays) { t.push((e.arrayCompleteness & 1) << 7 | 0 | e.nalUnitType & 63), t.push(e.nalUnits.length >> 8 & 255), t.push(e.nalUnits.length & 255); for (let r of e.nalUnits) { t.push(r.length >> 8 & 255), t.push(r.length & 255); for (let i = 0; i < r.length; i++)t.push(r[i]) } } return new Uint8Array(t) }, ol = n => { try { let t = U(n), e = 0, r = t.getUint8(e++), i = t.getUint8(e++), a = i >> 6 & 3, s = i >> 5 & 1, o = i & 31, c = t.getUint32(e, !1); e += 4; let u = n.subarray(e, e + 6); e += 6; let l = t.getUint8(e++), m = (t.getUint8(e++) & 15) << 8 | t.getUint8(e++), d = t.getUint8(e++) & 3, f = t.getUint8(e++) & 3, h = t.getUint8(e++) & 7, b = t.getUint8(e++) & 7, g = t.getUint16(e, !1); e += 2; let y = t.getUint8(e++), k = y >> 6 & 3, T = y >> 3 & 7, w = y >> 2 & 1, S = y & 3, x = t.getUint8(e++), P = []; for (let A = 0; A < x; A++) { let C = t.getUint8(e++), I = C >> 7 & 1, F = C & 63, v = t.getUint16(e, !1); e += 2; let E = []; for (let D = 0; D < v; D++) { let z = t.getUint16(e, !1); e += 2, E.push(n.subarray(e, e + z)), e += z } P.push({ arrayCompleteness: I, nalUnitType: F, nalUnits: E }) } return { configurationVersion: r, generalProfileSpace: a, generalTierFlag: s, generalProfileIdc: o, generalProfileCompatibilityFlags: c, generalConstraintIndicatorFlags: u, generalLevelIdc: l, minSpatialSegmentationIdc: m, parallelismType: d, chromaFormatIdc: f, bitDepthLumaMinus8: h, bitDepthChromaMinus8: b, avgFrameRate: g, constantFrameRate: k, numTemporalLayers: T, temporalIdNested: w, lengthSizeMinusOne: S, arrays: P } } catch (t) { return console.error("Error deserializing HEVC Decoder Configuration Record:", t), null } }; var cl = (n, t) => { let e = new Set, r = 0; for (let a of mn(n, t)) { if (r === 4) { e.add(a.offset); continue } let s = ct(n[a.offset]); if (r === 3 && s !== 37) { e.add(a.offset); continue } let o = !1; s === 35 ? r > 0 ? o = !0 : r = 1 : s <= 31 ? r > 2 ? o = !0 : r = 2 : s === 36 ? r !== 2 ? o = !0 : r = 3 : s === 37 ? r < 2 ? o = !0 : r = 4 : s === 32 || s === 33 || s === 34 || s === 39 || s >= 41 && s <= 44 || s >= 48 && s <= 55 ? r > 1 ? o = !0 : r = 1 : (s === 38 || s === 40 || s >= 45 && s <= 47 || s >= 56 && s <= 63) && r < 2 && (o = !0), o && e.add(a.offset) } if (e.size === 0) return null; let i = []; for (let a of mn(n, t)) e.has(a.offset) || i.push(n.subarray(a.offset, a.offset + a.length)); return Pm(i, t) }, Fa = n => { let t = new H(n); if (t.readBits(2) !== 2) return null; let r = t.readBits(1), a = (t.readBits(1) << 1) + r; if (a === 3 && t.skipBits(1), t.readBits(1) === 1 || t.readBits(1) !== 0 || (t.skipBits(2), t.readBits(24) !== 4817730)) return null; let u = 8; a >= 2 && (u = t.readBits(1) ? 12 : 10); let l = t.readBits(3), m = 0, d = 0; if (l !== 7) if (d = t.readBits(1), a === 1 || a === 3) { let P = t.readBits(1), A = t.readBits(1); m = !P && !A ? 3 : P && !A ? 2 : 1, t.skipBits(1) } else m = 1; else m = 3, d = 1; let f = t.readBits(16), h = t.readBits(16), b = f + 1, g = h + 1, y = b * g, k = X(Qt).level; for (let x of Qt) if (y <= x.maxPictureSize) { k = x.level; break } return { profile: a, level: k, bitDepth: u, chromaSubsampling: m, videoFullRangeFlag: d, colourPrimaries: l === 2 ? 1 : l === 1 ? 6 : 2, transferCharacteristics: l === 2 ? 1 : l === 1 ? 6 : 2, matrixCoefficients: l === 7 ? 0 : l === 2 ? 1 : l === 1 ? 6 : 2 } }, ul = function* (n) { let t = new H(n), e = () => { let r = 0; for (let i = 0; i < 8; i++) { let a = t.readAlignedByte(); if (r |= (a & 127) << i * 7, !(a & 128)) break; if (i === 7 && a & 128) return null } return r >= 2 ** 32 - 1 ? null : r }; for (; t.getBitsLeft() >= 8;) { t.skipBits(1); let r = t.readBits(4), i = t.readBits(1), a = t.readBits(1); t.skipBits(1), i && t.skipBits(8); let s; if (a) { let o = e(); if (o === null) return; s = o } else s = Math.floor(t.getBitsLeft() / 8); p(t.pos % 8 === 0), yield { type: r, data: n.subarray(t.pos / 8, t.pos / 8 + s) }, t.skipBits(s * 8) } }, Ma = n => { for (let { type: t, data: e } of ul(n)) { if (t !== 1) continue; let r = new H(e), i = r.readBits(3), a = r.readBits(1), s = r.readBits(1), o = 0, c = 0, u = 0; if (s) o = r.readBits(5); else { if (r.readBits(1) && (r.skipBits(32), r.skipBits(32), r.readBits(1))) return null; let x = r.readBits(1); x && (u = r.readBits(5), r.skipBits(32), r.skipBits(5), r.skipBits(5)); let P = r.readBits(5); for (let A = 0; A <= P; A++) { r.skipBits(12); let C = r.readBits(5); if (A === 0 && (o = C), C > 7) { let F = r.readBits(1); A === 0 && (c = F) } if (x && r.readBits(1)) { let v = u + 1; r.skipBits(v), r.skipBits(v), r.skipBits(1) } r.readBits(1) && r.skipBits(4) } } let l = r.readBits(4), m = r.readBits(4), d = l + 1; r.skipBits(d); let f = m + 1; r.skipBits(f); let h = 0; if (s ? h = 0 : h = r.readBits(1), h && (r.skipBits(4), r.skipBits(3)), r.skipBits(1), r.skipBits(1), r.skipBits(1), !s) { r.skipBits(1), r.skipBits(1), r.skipBits(1), r.skipBits(1); let S = r.readBits(1); S && (r.skipBits(1), r.skipBits(1)); let x = r.readBits(1), P = 0; x ? P = 2 : P = r.readBits(1), P > 0 && (r.readBits(1) || r.skipBits(1)), S && r.skipBits(3) } r.skipBits(1), r.skipBits(1), r.skipBits(1); let b = r.readBits(1), g = 8; i === 2 && b ? g = r.readBits(1) ? 12 : 10 : i <= 2 && (g = b ? 10 : 8); let y = 0; i !== 1 && (y = r.readBits(1)); let k = 1, T = 1, w = 0; return y || (i === 0 ? (k = 1, T = 1) : i === 1 ? (k = 0, T = 0) : g === 12 && (k = r.readBits(1), k && (T = r.readBits(1))), k && T && (w = r.readBits(2))), { profile: i, level: o, tier: c, bitDepth: g, monochrome: y, chromaSubsamplingX: k, chromaSubsamplingY: T, chromaSamplePosition: w } } return null }, yr = n => { let t = U(n), e = t.getUint8(9), r = t.getUint16(10, !0), i = t.getUint32(12, !0), a = t.getInt16(16, !0), s = t.getUint8(18), o = null; return s && (o = n.subarray(19, 21 + e)), { outputChannelCount: e, preSkip: r, inputSampleRate: i, outputGain: a, channelMappingFamily: s, channelMappingTable: o } }, Fm = [480, 960, 1920, 2880, 480, 960, 1920, 2880, 480, 960, 1920, 2880, 480, 960, 480, 960, 120, 240, 480, 960, 120, 240, 480, 960, 120, 240, 480, 960, 120, 240, 480, 960], ll = n => { let t = n[0] >> 3; return { durationInSamples: Fm[t] } }, Ba = n => { if (n.length < 7) throw new Error("Setup header is too short."); if (n[0] !== 5) throw new Error("Wrong packet type in Setup header."); if (String.fromCharCode(...n.slice(1, 7)) !== "vorbis") throw new Error("Invalid packet signature in Setup header."); let e = n.length, r = new Uint8Array(e); for (let m = 0; m < e; m++)r[m] = n[e - 1 - m]; let i = new H(r), a = 0; for (; i.getBitsLeft() > 97;)if (i.readBits(1) === 1) { a = i.pos; break } if (a === 0) throw new Error("Invalid Setup header: framing bit not found."); let s = 0, o = !1, c = 0; for (; i.getBitsLeft() >= 97;) { let m = i.pos, d = i.readBits(8), f = i.readBits(16), h = i.readBits(16); if (d > 63 || f !== 0 || h !== 0) { i.pos = m; break } if (i.skipBits(1), s++, s > 64) break; i.clone().readBits(6) + 1 === s && (o = !0, c = s) } if (!o) throw new Error("Invalid Setup header: mode header not found."); if (c > 63) throw new Error(`Unsupported mode count: ${c}.`); let u = c; i.pos = 0, i.skipBits(a); let l = Array(u).fill(0); for (let m = u - 1; m >= 0; m--)i.skipBits(40), l[m] = i.readBits(1); return { modeBlockflags: l } }, Pi = (n, t, e) => { switch (n) { case "avc": { for (let r of Qo(e, t)) { let i = e[r.offset], a = jt(i); if (a >= 1 && a <= 4) return "delta"; if (a === 5) return "key"; if (a === 6 && (!cn() || Bu() >= 144)) { let s = e.subarray(r.offset, r.offset + r.length), o = va(s), c = 1; do { let u = 0; for (; ;) { let d = o[c++]; if (d === void 0 || (u += d, d < 255)) break } let l = 0; for (; ;) { let d = o[c++]; if (d === void 0 || (l += d, d < 255)) break } if (u === 6) { let d = new H(o); d.pos = 8 * c; let f = M(d), h = d.readBits(1); if (f === 0 && h === 1) return "key" } c += l } while (c < o.length - 1) } } return "delta" } case "hevc": { for (let r of mn(e, t)) { let i = ct(e[r.offset]); if (i < 16) return "delta"; if (i <= 23) return "key" } return "delta" } case "vp8": return (e[0] & 1) === 0 ? "key" : "delta"; case "vp9": { let r = new H(e); if (r.readBits(2) !== 2) return null; let i = r.readBits(1); return (r.readBits(1) << 1) + i === 3 && r.skipBits(1), r.readBits(1) ? null : r.readBits(1) === 0 ? "key" : "delta" } case "av1": { let r = !1; for (let { type: i, data: a } of ul(e)) if (i === 1) { let s = new H(a); s.skipBits(4), r = !!s.readBits(1) } else if (i === 3 || i === 6 || i === 7) { if (r) return "key"; let s = new H(a); return s.readBits(1) ? null : s.readBits(2) === 0 ? "key" : "delta" } return null } default: ae(n), p(!1) } }; var hn = (n, t) => { let e = U(n), r = 0, i = e.getUint32(r, !0); r += 4; let a = he.decode(n.subarray(r, r + i)); r += i, i > 0 && (t.raw ??= {}, t.raw.vendor ??= a); let s = e.getUint32(r, !0); r += 4; for (let o = 0; o < s; o++) { let c = e.getUint32(r, !0); r += 4; let u = he.decode(n.subarray(r, r + c)); r += c; let l = u.indexOf("="); if (l === -1) continue; let m = u.slice(0, l).toUpperCase(), d = u.slice(l + 1); switch (t.raw ??= {}, t.raw[m] ??= d, m) { case "TITLE": t.title ??= d; break; case "DESCRIPTION": t.description ??= d; break; case "ARTIST": t.artist ??= d; break; case "ALBUM": t.album ??= d; break; case "ALBUMARTIST": t.albumArtist ??= d; break; case "COMMENT": t.comment ??= d; break; case "LYRICS": t.lyrics ??= d; break; case "TRACKNUMBER": { let f = d.split("/"), h = Number.parseInt(f[0], 10), b = f[1] && Number.parseInt(f[1], 10); Number.isInteger(h) && h > 0 && (t.trackNumber ??= h), b && Number.isInteger(b) && b > 0 && (t.tracksTotal ??= b) } break; case "TRACKTOTAL": { let f = Number.parseInt(d, 10); Number.isInteger(f) && f > 0 && (t.tracksTotal ??= f) } break; case "DISCNUMBER": { let f = d.split("/"), h = Number.parseInt(f[0], 10), b = f[1] && Number.parseInt(f[1], 10); Number.isInteger(h) && h > 0 && (t.discNumber ??= h), b && Number.isInteger(b) && b > 0 && (t.discsTotal ??= b) } break; case "DISCTOTAL": { let f = Number.parseInt(d, 10); Number.isInteger(f) && f > 0 && (t.discsTotal ??= f) } break; case "DATE": { let f = new Date(d); Number.isNaN(f.getTime()) || (t.date ??= f) } break; case "GENRE": t.genre ??= d; break; case "METADATA_BLOCK_PICTURE": { let f = qr(d), h = U(f), b = h.getUint32(0, !1), g = h.getUint32(4, !1), y = String.fromCharCode(...f.subarray(8, 8 + g)), k = h.getUint32(8 + g, !1), T = he.decode(f.subarray(12 + g, 12 + g + k)), w = h.getUint32(g + k + 28), S = f.subarray(g + k + 32, g + k + 32 + w); t.images ??= [], t.images.push({ data: S, mimeType: y, kind: b === 3 ? "coverFront" : b === 4 ? "coverBack" : "unknown", name: void 0, description: T || void 0 }) } break } } }, gn = (n, t, e) => { let r = [n], a = $.encode("Mediabunny"), s = new Uint8Array(4 + a.length), o = new DataView(s.buffer); o.setUint32(0, a.length, !0), s.set(a, 4), r.push(s); let c = new Set, u = (h, b) => { let g = `${h}=${b}`, y = $.encode(g); s = new Uint8Array(4 + y.length), o = new DataView(s.buffer), o.setUint32(0, y.length, !0), s.set(y, 4), r.push(s), c.add(h) }; for (let { key: h, value: b } of at(t)) switch (h) { case "title": u("TITLE", b); break; case "description": u("DESCRIPTION", b); break; case "artist": u("ARTIST", b); break; case "album": u("ALBUM", b); break; case "albumArtist": u("ALBUMARTIST", b); break; case "genre": u("GENRE", b); break; case "date": { let g = t.raw?.DATE ?? t.raw?.date; g && typeof g == "string" ? u("DATE", g) : u("DATE", b.toISOString().slice(0, 10)) } break; case "comment": u("COMMENT", b); break; case "lyrics": u("LYRICS", b); break; case "trackNumber": u("TRACKNUMBER", b.toString()); break; case "tracksTotal": u("TRACKTOTAL", b.toString()); break; case "discNumber": u("DISCNUMBER", b.toString()); break; case "discsTotal": u("DISCTOTAL", b.toString()); break; case "images": { if (!e) break; for (let g of b) { let y = g.kind === "coverFront" ? 3 : g.kind === "coverBack" ? 4 : 0, k = new Uint8Array(g.mimeType.length); for (let P = 0; P < g.mimeType.length; P++)k[P] = g.mimeType.charCodeAt(P); let T = $.encode(g.description ?? ""), w = new Uint8Array(8 + k.length + 4 + T.length + 16 + 4 + g.data.length), S = U(w); S.setUint32(0, y, !1), S.setUint32(4, k.length, !1), w.set(k, 8), S.setUint32(8 + k.length, T.length, !1), w.set(T, 12 + k.length), S.setUint32(28 + k.length + T.length, g.data.length, !1), w.set(g.data, 32 + k.length + T.length); let x = Du(w); u("METADATA_BLOCK_PICTURE", x) } } break; case "raw": break; default: ae(h) }if (t.raw) for (let h in t.raw) { let b = t.raw[h] ?? t.raw[h.toLowerCase()]; h === "vendor" || b == null || c.has(h) || typeof b == "string" && u(h, b) } let l = new Uint8Array(4); U(l).setUint32(0, c.size, !0), r.splice(2, 0, l); let m = r.reduce((h, b) => h + b.length, 0), d = new Uint8Array(m), f = 0; for (let h of r) d.set(h, f), f += h.length; return d }, bn = [2, 1, 2, 3, 3, 4, 4, 5], Oa = n => { if (n.length < 7 || n[0] !== 11 || n[1] !== 119) return null; let t = new H(n); t.skipBits(16), t.skipBits(16); let e = t.readBits(2); if (e === 3) return null; let r = t.readBits(6), i = t.readBits(5); if (i > 8) return null; let a = t.readBits(3), s = t.readBits(3); (s & 1) !== 0 && s !== 1 && t.skipBits(2), (s & 4) !== 0 && t.skipBits(2), s === 2 && t.skipBits(2); let o = t.readBits(1), c = Math.floor(r / 2); return { fscod: e, bsid: i, bsmod: a, acmod: s, lfeon: o, bitRateCode: c } }, dl = [64 * 2, 69 * 2, 96 * 2, 64 * 2, 70 * 2, 96 * 2, 80 * 2, 87 * 2, 120 * 2, 80 * 2, 88 * 2, 120 * 2, 96 * 2, 104 * 2, 144 * 2, 96 * 2, 105 * 2, 144 * 2, 112 * 2, 121 * 2, 168 * 2, 112 * 2, 122 * 2, 168 * 2, 128 * 2, 139 * 2, 192 * 2, 128 * 2, 140 * 2, 192 * 2, 160 * 2, 174 * 2, 240 * 2, 160 * 2, 175 * 2, 240 * 2, 192 * 2, 208 * 2, 288 * 2, 192 * 2, 209 * 2, 288 * 2, 224 * 2, 243 * 2, 336 * 2, 224 * 2, 244 * 2, 336 * 2, 256 * 2, 278 * 2, 384 * 2, 256 * 2, 279 * 2, 384 * 2, 320 * 2, 348 * 2, 480 * 2, 320 * 2, 349 * 2, 480 * 2, 384 * 2, 417 * 2, 576 * 2, 384 * 2, 418 * 2, 576 * 2, 448 * 2, 487 * 2, 672 * 2, 448 * 2, 488 * 2, 672 * 2, 512 * 2, 557 * 2, 768 * 2, 512 * 2, 558 * 2, 768 * 2, 640 * 2, 696 * 2, 960 * 2, 640 * 2, 697 * 2, 960 * 2, 768 * 2, 835 * 2, 1152 * 2, 768 * 2, 836 * 2, 1152 * 2, 896 * 2, 975 * 2, 1344 * 2, 896 * 2, 976 * 2, 1344 * 2, 1024 * 2, 1114 * 2, 1536 * 2, 1024 * 2, 1115 * 2, 1536 * 2, 1152 * 2, 1253 * 2, 1728 * 2, 1152 * 2, 1254 * 2, 1728 * 2, 1280 * 2, 1393 * 2, 1920 * 2, 1280 * 2, 1394 * 2, 1920 * 2], ml = 1536, yn = new Uint8Array([5, 4, 65, 67, 45, 51]), kn = new Uint8Array([5, 4, 69, 65, 67, 51]), Xo = [1, 2, 3, 6], Da = n => { if (n.length < 6 || n[0] !== 11 || n[1] !== 119) return null; let t = new H(n); t.skipBits(16); let e = t.readBits(2); if (t.skipBits(3), e !== 0 && e !== 2) return null; let r = t.readBits(11), i = t.readBits(2), a = 0, s; i === 3 ? (a = t.readBits(2), s = 3) : s = t.readBits(2); let o = t.readBits(3), c = t.readBits(1), u = t.readBits(5); if (u < 11 || u > 16) return null; let l = Xo[s], m; return i < 3 ? m = Qr[i] / 1e3 : m = Ko[a] / 1e3, { dataRate: Math.round((r + 1) * m / (l * 16)), substreams: [{ fscod: i, fscod2: a, bsid: u, bsmod: 0, acmod: o, lfeon: c, numDepSub: 0, chanLoc: 0 }] } }, fl = n => { if (n.length < 2) return null; let t = new H(n), e = t.readBits(13), r = t.readBits(3), i = []; for (let a = 0; a <= r && !(Math.ceil(t.pos / 8) + 3 > n.length); a++) { let s = t.readBits(2), o = t.readBits(5); t.skipBits(1), t.skipBits(1); let c = t.readBits(3), u = t.readBits(3), l = t.readBits(1); t.skipBits(3); let m = t.readBits(4), d = 0; m > 0 ? d = t.readBits(9) : t.skipBits(1), i.push({ fscod: s, fscod2: null, bsid: o, bsmod: c, acmod: u, lfeon: l, numDepSub: m, chanLoc: d }) } return i.length === 0 ? null : { dataRate: e, substreams: i } }, Va = n => { let t = n.substreams[0]; return p(t), t.fscod < 3 ? Qr[t.fscod] : t.fscod2 !== null && t.fscod2 < 3 ? Ko[t.fscod2] : null }, Ua = n => { let t = n.substreams[0]; p(t); let e = bn[t.acmod] + t.lfeon; if (t.numDepSub > 0) { let r = [2, 2, 1, 1, 2, 2, 2, 1, 1]; for (let i = 0; i < 9; i++)t.chanLoc & 1 << 8 - i && (e += r[i]) } return e }; var be = class { constructor(t) { this.input = t } dispose() { } }; var pe = new Uint8Array(0), Q = class n { constructor(t, e, r, i, a = -1, s, o) { this.data = t; this.type = e; this.timestamp = r; this.duration = i; this.sequenceNumber = a; if (t === pe && s === void 0) throw new Error("Internal error: byteLength must be explicitly provided when constructing metadata-only packets."); if (s === void 0 && (s = t.byteLength), !(t instanceof Uint8Array)) throw new TypeError("data must be a Uint8Array."); if (e !== "key" && e !== "delta") throw new TypeError('type must be either "key" or "delta".'); if (!Number.isFinite(r)) throw new TypeError("timestamp must be a number."); if (!Number.isFinite(i) || i < 0) throw new TypeError("duration must be a non-negative number."); if (!Number.isFinite(a)) throw new TypeError("sequenceNumber must be a number."); if (!Number.isInteger(s) || s < 0) throw new TypeError("byteLength must be a non-negative integer."); if (o !== void 0 && (typeof o != "object" || !o)) throw new TypeError("sideData, when provided, must be an object."); if (o?.alpha !== void 0 && !(o.alpha instanceof Uint8Array)) throw new TypeError("sideData.alpha, when provided, must be a Uint8Array."); if (o?.alphaByteLength !== void 0 && (!Number.isInteger(o.alphaByteLength) || o.alphaByteLength < 0)) throw new TypeError("sideData.alphaByteLength, when provided, must be a non-negative integer."); this.byteLength = s, this.sideData = o ?? {}, this.sideData.alpha && this.sideData.alphaByteLength === void 0 && (this.sideData.alphaByteLength = this.sideData.alpha.byteLength) } get isMetadataOnly() { return this.data === pe } get microsecondTimestamp() { return Math.trunc(At * this.timestamp) } get microsecondDuration() { return Math.trunc(At * this.duration) } toEncodedVideoChunk() { if (this.isMetadataOnly) throw new TypeError("Metadata-only packets cannot be converted to a video chunk."); if (typeof EncodedVideoChunk > "u") throw new Error("Your browser does not support EncodedVideoChunk."); return new EncodedVideoChunk({ data: this.data, type: this.type, timestamp: this.microsecondTimestamp, duration: this.microsecondDuration }) } alphaToEncodedVideoChunk(t = this.type) { if (!this.sideData.alpha) throw new TypeError("This packet does not contain alpha side data."); if (this.isMetadataOnly) throw new TypeError("Metadata-only packets cannot be converted to a video chunk."); if (typeof EncodedVideoChunk > "u") throw new Error("Your browser does not support EncodedVideoChunk."); return new EncodedVideoChunk({ data: this.sideData.alpha, type: t, timestamp: this.microsecondTimestamp, duration: this.microsecondDuration }) } toEncodedAudioChunk() { if (this.isMetadataOnly) throw new TypeError("Metadata-only packets cannot be converted to an audio chunk."); if (typeof EncodedAudioChunk > "u") throw new Error("Your browser does not support EncodedAudioChunk."); return new EncodedAudioChunk({ data: this.data, type: this.type, timestamp: this.microsecondTimestamp, duration: this.microsecondDuration }) } static fromEncodedChunk(t, e) { if (!(t instanceof EncodedVideoChunk || t instanceof EncodedAudioChunk)) throw new TypeError("chunk must be an EncodedVideoChunk or EncodedAudioChunk."); let r = new Uint8Array(t.byteLength); return t.copyTo(r), new n(r, t.type, t.timestamp / 1e6, (t.duration ?? 0) / 1e6, void 0, void 0, e) } clone(t) { if (t !== void 0 && (typeof t != "object" || t === null)) throw new TypeError("options, when provided, must be an object."); if (t?.data !== void 0 && !(t.data instanceof Uint8Array)) throw new TypeError("options.data, when provided, must be a Uint8Array."); if (t?.type !== void 0 && t.type !== "key" && t.type !== "delta") throw new TypeError('options.type, when provided, must be either "key" or "delta".'); if (t?.timestamp !== void 0 && !Number.isFinite(t.timestamp)) throw new TypeError("options.timestamp, when provided, must be a number."); if (t?.duration !== void 0 && !Number.isFinite(t.duration)) throw new TypeError("options.duration, when provided, must be a number."); if (t?.sequenceNumber !== void 0 && !Number.isFinite(t.sequenceNumber)) throw new TypeError("options.sequenceNumber, when provided, must be a number."); if (t?.sideData !== void 0 && (typeof t.sideData != "object" || t.sideData === null)) throw new TypeError("options.sideData, when provided, must be an object."); return new n(t?.data ?? this.data, t?.type ?? this.type, t?.timestamp ?? this.timestamp, t?.duration ?? this.duration, t?.sequenceNumber ?? this.sequenceNumber, this.byteLength, t?.sideData ?? this.sideData) } }; var za = n => { let e = (n.hasVideo ? "video/" : n.hasAudio ? "audio/" : "application/") + (n.isQuickTime ? "quicktime" : "mp4"); if (n.codecStrings.length > 0) { let r = [...new Set(n.codecStrings)]; e += `; codecs="${r.join(", ")}"` } return e }, Na = n => { let t = U(n), e = 0, r = t.getUint8(e); e += 1, e += 3; let i = ur(n.subarray(e, e + 16)); e += 16; let a = null; if (r > 0) { let o = t.getUint32(e); if (e += 4, o > 0) { a = []; for (let c = 0; c < o; c++)a.push(ur(n.subarray(e, e + 16))), e += 16 } } let s = t.getUint32(e); return e += 4, { systemId: i, keyIds: a, data: n.slice(e, e + s) } }, La = (n, t) => n.systemId === t.systemId && ga(n.data, t.data); var ut = 8, Xt = 16, $t = n => { let t = R(n), e = ie(n, 4), r = 8; t === 1 && (t = De(n), r = 16); let a = t - r; return a < 0 ? null : { name: e, totalSize: t, headerSize: r, contentSize: a } }, kr = n => Yt(n) / 65536, Wa = n => Yt(n) / 1073741824, Ha = n => { let t = 0; for (let e = 0; e < 4; e++) { t <<= 7; let r = O(n); if (t |= r & 127, (r & 128) === 0) break } return t }, lt = n => { let t = ce(n); return n.skip(2), t = Math.min(t, n.remainingLength), he.decode(B(n, t)) }, pl = n => { let t = $t(n); if (!t || t.name !== "data" || n.remainingLength < 8) return null; let e = R(n); n.skip(4); let r = B(n, t.contentSize - 8); switch (e) { case 1: return he.decode(r); case 2: return new TextDecoder("utf-16be").decode(r); case 13: return new He(r, "image/jpeg"); case 14: return new He(r, "image/png"); case 27: return new He(r, "image/bmp"); default: return r } }; var dt = 16, Zt = new Uint32Array(256), Ci = new Uint32Array(256), Ii = new Uint32Array(256), Ei = new Uint32Array(256), vi = new Uint32Array(256), Ce = new Uint32Array(256), hl = new Uint32Array(10), gl = !1, Mm = () => { let n = new Uint8Array(256), t = new Uint8Array(256), e = new Uint8Array(256); for (let a = 0, s = 1; a < 256; a++)e[a] = s, t[s] = a, s = s ^ s << 1 ^ (s & 128 ? 283 : 0); let r = (a, s) => a && s ? e[(t[a] + t[s]) % 255] : 0; n[0] = 99; for (let a = 1; a < 256; a++) { let s = e[255 - t[a]], o = s ^ s << 1 ^ s << 2 ^ s << 3 ^ s << 4; o = o >>> 8 ^ o & 255 ^ 99, n[a] = o } for (let a = 0; a < 256; a++) { let s = n[a], o = n.indexOf(a); Zt[a] = s << 24 | s << 16 | s << 8 | s, Ce[a] = o << 24 | o << 16 | o << 8 | o; let c = r(o, 14), u = r(o, 9), l = r(o, 13), m = r(o, 11), d = c << 24 | u << 16 | l << 8 | m; Ci[a] = d, Ii[a] = d >>> 8 | d << 24, Ei[a] = d >>> 16 | d << 16, vi[a] = d >>> 24 | d << 8 } let i = 1; for (let a = 0; a < 10; a++)hl[a] = i << 24, i = i << 1 ^ (i & 128 ? 283 : 0); gl = !0 }, Tn = class { constructor() { this.roundkey = new Uint32Array(44); this.iv = new Uint32Array(dt / Uint32Array.BYTES_PER_ELEMENT); this.in = new Uint8Array(dt); this.out = new Uint8Array(dt); this.inView = new DataView(this.in.buffer); this.outView = new DataView(this.out.buffer) } init({ key: t, iv: e }) { p(t.byteLength === 16), p(e.byteLength === 16), gl || Mm(); let r = new DataView(t.buffer, t.byteOffset, t.byteLength), i = new DataView(e.buffer, e.byteOffset, e.byteLength); this.roundkey[0] = r.getUint32(0, !1), this.roundkey[1] = r.getUint32(4, !1), this.roundkey[2] = r.getUint32(8, !1), this.roundkey[3] = r.getUint32(12, !1), this.iv[0] = i.getUint32(0, !1), this.iv[1] = i.getUint32(4, !1), this.iv[2] = i.getUint32(8, !1), this.iv[3] = i.getUint32(12, !1); for (let a = 4; a < 44; a += 4) { let s = this.roundkey[a - 1]; this.roundkey[a] = this.roundkey[a - 4] ^ Zt[s >>> 16 & 255] & 4278190080 ^ Zt[s >>> 8 & 255] & 16711680 ^ Zt[s >>> 0 & 255] & 65280 ^ Zt[s >>> 24 & 255] & 255 ^ hl[a / 4 - 1], this.roundkey[a + 1] = this.roundkey[a - 3] ^ this.roundkey[a], this.roundkey[a + 2] = this.roundkey[a - 2] ^ this.roundkey[a + 1], this.roundkey[a + 3] = this.roundkey[a - 1] ^ this.roundkey[a + 2] } for (let a = 0, s = 40; a < s; a += 4, s -= 4)for (let o = 0; o < 4; o++) { let c = this.roundkey[a + o]; this.roundkey[a + o] = this.roundkey[s + o], this.roundkey[s + o] = c } for (let a = 4; a < 40; a += 4)for (let s = 0; s < 4; s++) { let o = this.roundkey[a + s]; this.roundkey[a + s] = Ci[Zt[o >>> 24 & 255] & 255] ^ Ii[Zt[o >>> 16 & 255] & 255] ^ Ei[Zt[o >>> 8 & 255] & 255] ^ vi[Zt[o >>> 0 & 255] & 255] } } decrypt() { let t = this.inView.getUint32(0, !1) ^ this.roundkey[0], e = this.inView.getUint32(4, !1) ^ this.roundkey[1], r = this.inView.getUint32(8, !1) ^ this.roundkey[2], i = this.inView.getUint32(12, !1) ^ this.roundkey[3], a = this.inView.getUint32(0, !1), s = this.inView.getUint32(4, !1), o = this.inView.getUint32(8, !1), c = this.inView.getUint32(12, !1), u, l, m, d; for (let y = 1; y < 10; y++) { let k = y * 4; u = Ci[t >>> 24] ^ Ii[i >>> 16 & 255] ^ Ei[r >>> 8 & 255] ^ vi[e & 255] ^ this.roundkey[k], l = Ci[e >>> 24] ^ Ii[t >>> 16 & 255] ^ Ei[i >>> 8 & 255] ^ vi[r & 255] ^ this.roundkey[k + 1], m = Ci[r >>> 24] ^ Ii[e >>> 16 & 255] ^ Ei[t >>> 8 & 255] ^ vi[i & 255] ^ this.roundkey[k + 2], d = Ci[i >>> 24] ^ Ii[r >>> 16 & 255] ^ Ei[e >>> 8 & 255] ^ vi[t & 255] ^ this.roundkey[k + 3], t = u, e = l, r = m, i = d } let f = Ce[t >>> 24 & 255] & 4278190080 ^ Ce[i >>> 16 & 255] & 16711680 ^ Ce[r >>> 8 & 255] & 65280 ^ Ce[e >>> 0 & 255] & 255 ^ this.roundkey[40], h = Ce[e >>> 24 & 255] & 4278190080 ^ Ce[t >>> 16 & 255] & 16711680 ^ Ce[i >>> 8 & 255] & 65280 ^ Ce[r >>> 0 & 255] & 255 ^ this.roundkey[41], b = Ce[r >>> 24 & 255] & 4278190080 ^ Ce[e >>> 16 & 255] & 16711680 ^ Ce[t >>> 8 & 255] & 65280 ^ Ce[i >>> 0 & 255] & 255 ^ this.roundkey[42], g = Ce[i >>> 24 & 255] & 4278190080 ^ Ce[r >>> 16 & 255] & 16711680 ^ Ce[e >>> 8 & 255] & 65280 ^ Ce[t >>> 0 & 255] & 255 ^ this.roundkey[43]; this.outView.setUint32(0, f ^ this.iv[0], !1), this.outView.setUint32(4, h ^ this.iv[1], !1), this.outView.setUint32(8, b ^ this.iv[2], !1), this.outView.setUint32(12, g ^ this.iv[3], !1), this.iv[0] = a, this.iv[1] = s, this.iv[2] = o, this.iv[3] = c } }, bl = (n, t, e) => { let r = !1, i = 0, a = 2 ** 16, s = 16, o = new Tn; return new ReadableStream({ pull: async c => { r || (o.init(await t()), r = !0); let u = a + s, l = n.requestSliceRange(i, 0, u); if (l instanceof Promise && (l = await l), !l || l.length === 0) throw new Error("Invalid ciphertext."); let m = l.length; if (m % 16 !== 0) throw new Error("Invalid ciphertext."); let d = m === u ? m - s : m, f = B(l, d), h = new Uint8Array(d); for (let b = 0; b < d; b += 16)o.in.set(f.subarray(b, b + 16)), o.decrypt(), h.set(o.out, b); if (d < m) c.enqueue(h), i += d; else { let b = h[d - 1]; if (b === 0 || b > 16) throw new Error("Invalid PKCS#7 padding. Incorrect key or corrupted data."); let g = h.subarray(0, d - b); c.enqueue(g), c.close(), e() } }, cancel: () => { e() } }) }; var qa = class n extends be { constructor(e) { super(e); this.moovSlice = null; this.currentTrack = null; this.tracks = []; this.metadataPromise = null; this.movieTimescale = -1; this.movieDurationInTimescale = -1; this.isQuickTime = !1; this.metadataTags = {}; this.currentMetadataKeys = null; this.isFragmented = !1; this.fragmentTrackDefaults = []; this.psshBoxes = []; this.currentFragment = null; this.lastReadFragment = null; this.decryptionKeyCache = new Map; this.reader = e._reader } async getTrackBackings() { return await this.readMetadata(), this.tracks.map(e => e.trackBacking) } async getMimeType() { await this.readMetadata(); let e = await this.getTrackBackings(), r = await Promise.all(e.map(i => i.getDecoderConfig().then(a => a?.codec ?? null))); return za({ isQuickTime: this.isQuickTime, hasVideo: this.tracks.some(i => i.info?.type === "video"), hasAudio: this.tracks.some(i => i.info?.type === "audio"), codecStrings: r.filter(Boolean) }) } async getMetadataTags() { return await this.readMetadata(), this.metadataTags } readMetadata() { return this.metadataPromise ??= (async () => { let e = 0, r = !1; for (; ;) { let i = this.reader.requestSliceRange(e, ut, Xt); if (i instanceof Promise && (i = await i), !i) break; let a = e, s = $t(i); if (!s) break; if (s.name === "ftyp" || s.name === "styp") { let o = ie(i, 4); this.isQuickTime = o === "qt " } else if (s.name === "moov") { let o = this.reader.requestSlice(i.filePos, s.contentSize); if (o instanceof Promise && (o = await o), !o) break; this.moovSlice = o, this.readContiguousBoxes(this.moovSlice); for (let c of this.tracks) { let u = c.editListPreviousSegmentDurations / this.movieTimescale; c.editListOffset -= Math.round(u * c.timescale) } r = this.isFragmented && this.reader.fileSize !== null && this.reader.fileSize > a + s.totalSize; break } else if (s.name === "moof") { if (!this.input._initInput) throw new Error('"moof" box encountered with no "moov" box present; this file is likely a Segment as described in ISO/IEC 14496-12 Section 8.16. A separate init file that contains a "moov" box is required to read this file, please provide it using InputOptions.initInput.'); let o = await this.input._initInput._getDemuxer(); if (o.constructor !== n) throw new Error("Init input must match the input's format."); await o.readMetadata(), this.movieTimescale = o.movieTimescale, this.movieDurationInTimescale = o.movieDurationInTimescale, this.metadataTags = o.metadataTags, this.isFragmented = !0, this.fragmentTrackDefaults = o.fragmentTrackDefaults, this.psshBoxes = o.psshBoxes; for (let c of o.tracks) { let u = { id: c.id, demuxer: this, trackBacking: null, disposition: c.disposition, timescale: c.timescale, durationInMediaTimescale: c.durationInMediaTimescale, durationInMovieTimescale: c.durationInMovieTimescale, rotation: c.rotation, internalCodecId: c.internalCodecId, name: c.name, languageCode: c.languageCode, sampleTableByteOffset: null, sampleTable: null, fragmentLookupTable: [], currentFragmentState: null, fragmentPositionCache: [], editListPreviousSegmentDurations: c.editListPreviousSegmentDurations, editListOffset: c.editListOffset, encryptionInfo: c.encryptionInfo, encryptionAuxInfo: null, frmaCodecString: null, info: c.info }; if (c.trackBacking) { if (p(u.info), u.info.type === "video" && u.info.width !== -1) { let l = u; u.trackBacking = new Ga(l), this.tracks.push(u) } else if (u.info.type === "audio" && u.info.numberOfChannels !== -1) { let l = u; u.trackBacking = new Qa(l), this.tracks.push(u) } } } r = !1; break } e = a + s.totalSize } if (r) { p(this.reader.fileSize !== null); let i = this.reader.requestSlice(this.reader.fileSize - 4, 4); i instanceof Promise && (i = await i), p(i); let a = R(i), s = this.reader.fileSize - a; if (s >= 0 && s <= this.reader.fileSize - Xt) { let o = this.reader.requestSliceRange(s, ut, Xt); if (o instanceof Promise && (o = await o), o) { let c = $t(o); if (c && c.name === "mfra") { let u = this.reader.requestSlice(o.filePos, c.contentSize); u instanceof Promise && (u = await u), u && this.readContiguousBoxes(u) } } } } })() } getSampleTableForTrack(e) { if (e.sampleTable) return e.sampleTable; let r = { sampleTimingEntries: [], sampleCompositionTimeOffsets: [], sampleSizes: [], keySampleIndices: null, chunkOffsets: [], sampleToChunk: [], presentationTimestamps: null, presentationTimestampIndexMap: null }; if (e.sampleTable = r, e.sampleTableByteOffset === null) return r; p(this.moovSlice); let i = this.moovSlice.slice(e.sampleTableByteOffset); if (this.currentTrack = e, this.traverseBox(i), this.currentTrack = null, e.info?.type === "audio" && e.info.codec && te.includes(e.info.codec) && r.sampleCompositionTimeOffsets.length === 0) { p(e.info?.type === "audio"); let s = Ae(e.info.codec), o = [], c = []; for (let u = 0; u < r.sampleToChunk.length; u++) { let l = r.sampleToChunk[u], m = r.sampleToChunk[u + 1], d = (m ? m.startChunkIndex : r.chunkOffsets.length) - l.startChunkIndex; for (let f = 0; f < d; f++) { let h = l.startSampleIndex + f * l.samplesPerChunk, b = h + l.samplesPerChunk, g = q(r.sampleTimingEntries, h, C => C.startIndex), y = r.sampleTimingEntries[g], k = q(r.sampleTimingEntries, b, C => C.startIndex), T = r.sampleTimingEntries[k], w = y.startDecodeTimestamp + (h - y.startIndex) * y.delta, x = T.startDecodeTimestamp + (b - T.startIndex) * T.delta - w, P = X(o); P && P.delta === x ? P.count++ : o.push({ startIndex: l.startChunkIndex + f, startDecodeTimestamp: w, count: 1, delta: x }); let A = l.samplesPerChunk * s.sampleSize * e.info.numberOfChannels; c.push(A) } l.startSampleIndex = l.startChunkIndex, l.samplesPerChunk = 1 } r.sampleTimingEntries = o, r.sampleSizes = c } if (r.sampleCompositionTimeOffsets.length > 0) { r.presentationTimestamps = []; for (let s of r.sampleTimingEntries) for (let o = 0; o < s.count; o++)r.presentationTimestamps.push({ presentationTimestamp: s.startDecodeTimestamp + o * s.delta, sampleIndex: s.startIndex + o }); for (let s of r.sampleCompositionTimeOffsets) for (let o = 0; o < s.count; o++) { let c = s.startIndex + o, u = r.presentationTimestamps[c]; u && (u.presentationTimestamp += s.offset) } r.presentationTimestamps.sort((s, o) => s.presentationTimestamp - o.presentationTimestamp), r.presentationTimestampIndexMap = Array(r.presentationTimestamps.length).fill(-1); for (let s = 0; s < r.presentationTimestamps.length; s++)r.presentationTimestampIndexMap[r.presentationTimestamps[s].sampleIndex] = s } return r } async readFragment(e) { if (this.lastReadFragment?.moofOffset === e) return this.lastReadFragment; let r = this.reader.requestSliceRange(e, ut, Xt); r instanceof Promise && (r = await r), p(r); let i = $t(r); p(i?.name === "moof"); let a = this.reader.requestSlice(e, i.totalSize); a instanceof Promise && (a = await a), p(a), this.traverseBox(a); let s = this.lastReadFragment; p(s && s.moofOffset === e); for (let [, o] of s.trackData) { let c = o.track, { fragmentPositionCache: u } = c; if (!o.startTimestampIsFinal) { let m = c.fragmentLookupTable.find(d => d.moofOffset === s.moofOffset); if (m) $o(o, m.timestamp); else { let d = q(u, s.moofOffset - 1, f => f.moofOffset); if (d !== -1) { let f = u[d]; $o(o, f.endTimestamp) } } o.startTimestampIsFinal = !0 } let l = q(u, o.startTimestamp, m => m.startTimestamp); if ((l === -1 || u[l].moofOffset !== s.moofOffset) && u.splice(l + 1, 0, { moofOffset: s.moofOffset, startTimestamp: o.startTimestamp, endTimestamp: o.endTimestamp }), o.encryptionAuxInfo && c.encryptionInfo) { let m = await Sl(this.reader, c.encryptionInfo, o.encryptionAuxInfo); for (let d = 0; d < Math.min(o.samples.length, m.length); d++) { let f = m[d]; o.samples[d].encryption = f } } } return s } readContiguousBoxes(e) { let r = e.filePos; for (; e.filePos - r <= e.length - ut && this.traverseBox(e);); } *iterateContiguousBoxes(e) { let r = e.filePos; for (; e.filePos - r <= e.length - ut;) { let i = e.filePos, a = $t(e); if (!a) break; yield { boxInfo: a, slice: e }, e.filePos = i + a.totalSize } } traverseBox(e) { let r = e.filePos, i = $t(e); if (!i) return !1; let a = e.filePos, s = r + i.totalSize; switch (i.name) { case "mdia": case "minf": case "dinf": case "mfra": case "edts": case "sinf": case "schi": this.readContiguousBoxes(e.slice(a, i.contentSize)); break; case "mvhd": { let o = O(e); e.skip(3), o === 1 ? (e.skip(16), this.movieTimescale = R(e), this.movieDurationInTimescale = De(e)) : (e.skip(8), this.movieTimescale = R(e), this.movieDurationInTimescale = R(e)) } break; case "trak": { let o = { id: -1, demuxer: this, trackBacking: null, disposition: { ...Se, primary: !1 }, info: null, timescale: -1, durationInMovieTimescale: -1, durationInMediaTimescale: -1, rotation: 0, internalCodecId: null, name: null, languageCode: ee, sampleTableByteOffset: -1, sampleTable: null, fragmentLookupTable: [], currentFragmentState: null, fragmentPositionCache: [], editListPreviousSegmentDurations: 0, editListOffset: 0, encryptionInfo: null, encryptionAuxInfo: null, frmaCodecString: null }; if (this.currentTrack = o, this.readContiguousBoxes(e.slice(a, i.contentSize)), o.id !== -1 && o.timescale !== -1 && o.info !== null) { if (o.info.type === "video" && o.info.width !== -1) { let c = o; o.trackBacking = new Ga(c), this.tracks.push(o) } else if (o.info.type === "audio" && o.info.numberOfChannels !== -1) { let c = o; o.trackBacking = new Qa(c), this.tracks.push(o) } } this.currentTrack = null } break; case "tkhd": { let o = this.currentTrack; if (!o) break; let c = O(e), l = !!(mt(e) & 1); if (o.disposition.default = l, c === 0) e.skip(8), o.id = R(e), e.skip(4), o.durationInMovieTimescale = R(e); else if (c === 1) e.skip(16), o.id = R(e), e.skip(4), o.durationInMovieTimescale = De(e); else throw new Error(`Incorrect track header version ${c}.`); e.skip(2 * 4 + 2 + 2 + 2 + 2); let m = [kr(e), kr(e), Wa(e), kr(e), kr(e), Wa(e), kr(e), kr(e), Wa(e)], d = Tt(vu(Vm(m), 90)); p(d === 0 || d === 90 || d === 180 || d === 270), o.rotation = d } break; case "elst": { let o = this.currentTrack; if (!o) break; let c = O(e); e.skip(3); let u = !1, l = 0, m = R(e); for (let d = 0; d < m; d++) { let f = c === 1 ? De(e) : R(e), h = c === 1 ? xl(e) : Yt(e), b = kr(e); if (f !== 0) { if (u) { console.warn("Unsupported edit list: multiple edits are not currently supported. Only using first edit."); break } if (h === -1) { l += f; continue } if (b !== 1) { console.warn("Unsupported edit list entry: media rate must be 1."); break } o.editListPreviousSegmentDurations = l, o.editListOffset = h, u = !0 } } } break; case "mdhd": { let o = this.currentTrack; if (!o) break; let c = O(e); e.skip(3), c === 0 ? (e.skip(8), o.timescale = R(e), o.durationInMediaTimescale = R(e)) : c === 1 && (e.skip(16), o.timescale = R(e), o.durationInMediaTimescale = De(e)); let u = ce(e); if (u > 0) { o.languageCode = ""; for (let l = 0; l < 3; l++)o.languageCode = String.fromCharCode(96 + (u & 31)) + o.languageCode, u >>= 5; Wt(o.languageCode) || (o.languageCode = ee) } } break; case "hdlr": { let o = this.currentTrack; if (!o) break; e.skip(8); let c = ie(e, 4); c === "vide" ? o.info = { type: "video", width: -1, height: -1, squarePixelWidth: -1, squarePixelHeight: -1, codec: null, codecDescription: null, colorSpace: null, avcType: null, avcCodecInfo: null, hevcCodecInfo: null, vp9CodecInfo: null, av1CodecInfo: null } : c === "soun" && (o.info = { type: "audio", numberOfChannels: -1, sampleRate: -1, codec: null, codecDescription: null, aacCodecInfo: null, pcmLittleEndian: !1, pcmSampleSize: null }) } break; case "stbl": { let o = this.currentTrack; if (!o) break; o.sampleTableByteOffset = r, this.readContiguousBoxes(e.slice(a, i.contentSize)) } break; case "stsd": { let o = this.currentTrack; if (!o || o.info === null || o.sampleTable) break; let c = O(e); e.skip(3); let u = R(e); for (let l = 0; l < u; l++) { let m = e.filePos, d = $t(e); if (!d) break; o.internalCodecId = d.name; let f = d.name.toLowerCase(); if (o.info.type === "video") { e.skip(6 * 1 + 2 + 2 + 2 + 3 * 4), o.info.width = ce(e), o.info.height = ce(e), o.info.squarePixelWidth = o.info.width, o.info.squarePixelHeight = o.info.height, e.skip(50), o.frmaCodecString = null, this.readContiguousBoxes(e.slice(e.filePos, m + d.totalSize - e.filePos)); let h = f === "encv" ? o.frmaCodecString : f; o.frmaCodecString = null, h === "avc1" || h === "avc3" ? (o.info.codec = "avc", o.info.avcType = h === "avc1" ? 1 : 3) : h === "hvc1" || h === "hev1" ? o.info.codec = "hevc" : h === "vp08" ? o.info.codec = "vp8" : h === "vp09" ? o.info.codec = "vp9" : h === "av01" ? o.info.codec = "av1" : console.warn(h === null ? "Unknown encrypted video codec due to missing frma box." : `Unsupported video codec (sample entry type '${d.name}').`) } else { e.skip(6 * 1 + 2); let h = ce(e); e.skip(3 * 2); let b = ce(e), g = ce(e); e.skip(2 * 2); let y = R(e) / 65536, k = null; c === 0 && h > 0 && (h === 1 ? (e.skip(4), g = 8 * R(e), e.skip(2 * 4)) : h === 2 && (e.skip(4), y = ja(e), b = R(e), e.skip(4), g = R(e), k = R(e), e.skip(2 * 4))), o.info.numberOfChannels = b, o.info.sampleRate = y, o.frmaCodecString = null, this.readContiguousBoxes(e.slice(e.filePos, m + d.totalSize - e.filePos)); let T = f === "enca" ? o.frmaCodecString : f; if (o.frmaCodecString = null, T !== "mp4a") if (T === "opus") o.info.codec = "opus", o.info.sampleRate = ot; else if (T === "flac") o.info.codec = "flac"; else if (T === "ulaw") o.info.codec = "ulaw"; else if (T === "alaw") o.info.codec = "alaw"; else if (T === "ac-3") o.info.codec = "ac3"; else if (T === "ec-3") o.info.codec = "eac3"; else if (T === "twos") g === 8 ? o.info.codec = "pcm-s8" : g === 16 ? o.info.codec = o.info.pcmLittleEndian ? "pcm-s16" : "pcm-s16be" : (console.warn(`Unsupported sample size ${g} for codec 'twos'.`), o.info.codec = null); else if (T === "sowt") g === 8 ? o.info.codec = "pcm-s8" : g === 16 ? o.info.codec = "pcm-s16" : (console.warn(`Unsupported sample size ${g} for codec 'sowt'.`), o.info.codec = null); else if (T === "raw ") o.info.codec = "pcm-u8"; else if (T === "in24") o.info.codec = o.info.pcmLittleEndian ? "pcm-s24" : "pcm-s24be"; else if (T === "in32") o.info.codec = o.info.pcmLittleEndian ? "pcm-s32" : "pcm-s32be"; else if (T === "fl32") o.info.codec = o.info.pcmLittleEndian ? "pcm-f32" : "pcm-f32be"; else if (T === "fl64") o.info.codec = o.info.pcmLittleEndian ? "pcm-f64" : "pcm-f64be"; else if (T === "ipcm") { let w = o.info.pcmSampleSize; o.info.pcmLittleEndian ? w === 16 ? o.info.codec = "pcm-s16" : w === 24 ? o.info.codec = "pcm-s24" : w === 32 ? o.info.codec = "pcm-s32" : (console.warn(`Invalid ipcm sample size ${w}.`), o.info.codec = null) : w === 16 ? o.info.codec = "pcm-s16be" : w === 24 ? o.info.codec = "pcm-s24be" : w === 32 ? o.info.codec = "pcm-s32be" : (console.warn(`Invalid ipcm sample size ${w}.`), o.info.codec = null) } else if (T === "fpcm") { let w = o.info.pcmSampleSize; o.info.pcmLittleEndian ? w === 32 ? o.info.codec = "pcm-f32" : w === 64 ? o.info.codec = "pcm-f64" : (console.warn(`Invalid fpcm sample size ${w}.`), o.info.codec = null) : w === 32 ? o.info.codec = "pcm-f32be" : w === 64 ? o.info.codec = "pcm-f64be" : (console.warn(`Invalid fpcm sample size ${w}.`), o.info.codec = null) } else if (T === "lpcm" && k !== null) { let w = g + 7 >> 3, S = !!(k & 1), x = !!(k & 2), P = k & 4 ? -1 : 0; g > 0 && g <= 64 && (S ? g === 32 && (o.info.codec = x ? "pcm-f32be" : "pcm-f32") : P & 1 << w - 1 ? w === 1 ? o.info.codec = "pcm-s8" : w === 2 ? o.info.codec = x ? "pcm-s16be" : "pcm-s16" : w === 3 ? o.info.codec = x ? "pcm-s24be" : "pcm-s24" : w === 4 && (o.info.codec = x ? "pcm-s32be" : "pcm-s32") : w === 1 && (o.info.codec = "pcm-u8")), o.info.codec === null && console.warn("Unsupported PCM format.") } else console.warn(T === null ? "Unknown encrypted audio codec due to missing frma box." : `Unsupported audio codec (sample entry type '${d.name}').`) } e.filePos = m + d.totalSize } } break; case "frma": { let o = this.currentTrack; if (!o) break; let u = ie(e, 4).toLowerCase(); o.frmaCodecString = u } break; case "schm": { let o = this.currentTrack; if (!o) break; e.skip(4); let c = ie(e, 4); c === "cenc" || c === "cens" || c === "cbcs" ? o.encryptionInfo = { scheme: c, defaultKid: null, defaultIsProtected: null, defaultPerSampleIvSize: null, defaultConstantIv: null, defaultCryptByteBlock: null, defaultSkipByteBlock: null } : console.warn(`Unsupported encryption scheme '${c}'.`) } break; case "tenc": { let o = this.currentTrack; if (!o || !o.encryptionInfo) break; let c = O(e); e.skip(3), e.skip(1); let u = O(e); if (c > 0 ? (o.encryptionInfo.defaultCryptByteBlock = u >> 4, o.encryptionInfo.defaultSkipByteBlock = u & 15) : (o.encryptionInfo.defaultCryptByteBlock = 0, o.encryptionInfo.defaultSkipByteBlock = 0), o.encryptionInfo.defaultIsProtected = O(e) !== 0, o.encryptionInfo.defaultPerSampleIvSize = O(e), o.encryptionInfo.defaultKid = ur(B(e, 16)), o.encryptionInfo.defaultIsProtected && o.encryptionInfo.defaultPerSampleIvSize === 0) { let l = O(e), m = new Uint8Array(16); m.set(B(e, l), 0), o.encryptionInfo.defaultConstantIv = m } } break; case "avcC": { let o = this.currentTrack; if (!o) break; p(o.info), o.info.codecDescription = B(e, i.contentSize) } break; case "hvcC": { let o = this.currentTrack; if (!o) break; p(o.info), o.info.codecDescription = B(e, i.contentSize) } break; case "vpcC": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "video"), e.skip(4); let c = O(e), u = O(e), l = O(e), m = l >> 4, d = l >> 1 & 7, f = l & 1, h = O(e), b = O(e), g = O(e); o.info.vp9CodecInfo = { profile: c, level: u, bitDepth: m, chromaSubsampling: d, videoFullRangeFlag: f, colourPrimaries: h, transferCharacteristics: b, matrixCoefficients: g } } break; case "av1C": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "video"), e.skip(1); let c = O(e), u = c >> 5, l = c & 31, m = O(e), d = m >> 7, f = m >> 6 & 1, h = m >> 5 & 1, b = m >> 4 & 1, g = m >> 3 & 1, y = m >> 2 & 1, k = m & 3, T = u === 2 && f ? h ? 12 : 10 : f ? 10 : 8; o.info.av1CodecInfo = { profile: u, level: l, tier: d, bitDepth: T, monochrome: b, chromaSubsamplingX: g, chromaSubsamplingY: y, chromaSamplePosition: k } } break; case "colr": { let o = this.currentTrack; if (!o || (p(o.info?.type === "video"), ie(e, 4) !== "nclx")) break; let u = ce(e), l = ce(e), m = ce(e), d = !!(O(e) & 128); o.info.colorSpace = { primaries: Ur[u], transfer: zr[l], matrix: Nr[m], fullRange: d } } break; case "pasp": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "video"); let c = R(e), u = R(e); c > 0 && u > 0 && (c > u ? o.info.squarePixelWidth = Math.round(o.info.width * c / u) : o.info.squarePixelHeight = Math.round(o.info.height * u / c)) } break; case "wave": this.readContiguousBoxes(e.slice(a, i.contentSize)); break; case "esds": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"), e.skip(4); let c = O(e); p(c === 3), Ha(e), e.skip(2); let u = O(e), l = (u & 128) !== 0, m = (u & 64) !== 0, d = (u & 32) !== 0; if (l && e.skip(2), m) { let y = O(e); e.skip(y) } d && e.skip(2); let f = O(e); p(f === 4); let h = Ha(e), b = e.filePos, g = O(e); if (g === 64 || g === 103 ? (o.info.codec = "aac", o.info.aacCodecInfo = { isMpeg2: g === 103, objectType: null }) : g === 105 || g === 107 ? o.info.codec = "mp3" : g === 221 ? o.info.codec = "vorbis" : console.warn(`Unsupported audio codec (objectTypeIndication ${g}) - discarding track.`), e.skip(12), h > e.filePos - b) { let y = O(e); p(y === 5); let k = Ha(e); if (o.info.codecDescription = B(e, k), o.info.codec === "aac") { let T = It(o.info.codecDescription); T.numberOfChannels !== null && (o.info.numberOfChannels = T.numberOfChannels), T.sampleRate !== null && (o.info.sampleRate = T.sampleRate) } } } break; case "enda": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"), o.info.pcmLittleEndian = !!(ce(e) & 255) } break; case "pcmC": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"), e.skip(4); let c = O(e); o.info.pcmLittleEndian = !!(c & 1), o.info.pcmSampleSize = O(e) } break; case "dOps": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"), e.skip(1); let c = O(e), u = ce(e), l = R(e), m = wn(e), d = O(e), f; d !== 0 ? f = B(e, 2 + c) : f = new Uint8Array(0); let h = new Uint8Array(19 + f.byteLength), b = new DataView(h.buffer); b.setUint32(0, 1332770163, !1), b.setUint32(4, 1214603620, !1), b.setUint8(8, 1), b.setUint8(9, c), b.setUint16(10, u, !0), b.setUint32(12, l, !0), b.setInt16(16, m, !0), b.setUint8(18, d), h.set(f, 19), o.info.codecDescription = h, o.info.numberOfChannels = c } break; case "dfLa": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"), e.skip(4); let c = 127, u = 128, l = e.filePos; for (; e.filePos < s;) { let b = O(e), g = mt(e); if ((b & c) === 0) { e.skip(10); let k = R(e), T = k >>> 12, w = (k >> 9 & 7) + 1; o.info.sampleRate = T, o.info.numberOfChannels = w, e.skip(20) } else e.skip(g); if (b & u) break } let m = e.filePos; e.filePos = l; let d = B(e, m - l), f = new Uint8Array(4 + d.byteLength); new DataView(f.buffer).setUint32(0, 1716281667, !1), f.set(d, 4), o.info.codecDescription = f } break; case "dac3": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"); let c = B(e, 3), u = new H(c), l = u.readBits(2); u.skipBits(8); let m = u.readBits(3), d = u.readBits(1); l < 3 && (o.info.sampleRate = Qr[l]), o.info.numberOfChannels = bn[m] + d } break; case "dec3": { let o = this.currentTrack; if (!o) break; p(o.info?.type === "audio"); let c = B(e, i.contentSize), u = fl(c); if (!u) { console.warn("Invalid dec3 box contents, ignoring."); break } let l = Va(u); l !== null && (o.info.sampleRate = l), o.info.numberOfChannels = Ua(u) } break; case "stts": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4); let c = R(e), u = 0, l = 0; for (let m = 0; m < c; m++) { let d = R(e), f = R(e); o.sampleTable.sampleTimingEntries.push({ startIndex: u, startDecodeTimestamp: l, count: d, delta: f }), u += d, l += d * f } } break; case "ctts": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4); let c = R(e), u = 0; for (let l = 0; l < c; l++) { let m = R(e), d = Yt(e); o.sampleTable.sampleCompositionTimeOffsets.push({ startIndex: u, count: m, offset: d }), u += m } } break; case "stsz": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4); let c = R(e), u = R(e); if (c === 0) for (let l = 0; l < u; l++) { let m = R(e); o.sampleTable.sampleSizes.push(m) } else o.sampleTable.sampleSizes.push(c) } break; case "stz2": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4), e.skip(3); let c = O(e), u = R(e), l = B(e, Math.ceil(u * c / 8)), m = new H(l); for (let d = 0; d < u; d++) { let f = m.readBits(c); o.sampleTable.sampleSizes.push(f) } } break; case "stss": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4), o.sampleTable.keySampleIndices = []; let c = R(e); for (let u = 0; u < c; u++) { let l = R(e) - 1; o.sampleTable.keySampleIndices.push(l) } o.sampleTable.keySampleIndices[0] !== 0 && o.sampleTable.keySampleIndices.unshift(0) } break; case "stsc": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4); let c = R(e); for (let l = 0; l < c; l++) { let m = R(e) - 1, d = R(e), f = R(e); o.sampleTable.sampleToChunk.push({ startSampleIndex: -1, startChunkIndex: m, samplesPerChunk: d, sampleDescriptionIndex: f }) } let u = 0; for (let l = 0; l < o.sampleTable.sampleToChunk.length; l++)if (o.sampleTable.sampleToChunk[l].startSampleIndex = u, l < o.sampleTable.sampleToChunk.length - 1) { let d = o.sampleTable.sampleToChunk[l + 1].startChunkIndex - o.sampleTable.sampleToChunk[l].startChunkIndex; u += d * o.sampleTable.sampleToChunk[l].samplesPerChunk } } break; case "stco": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4); let c = R(e); for (let u = 0; u < c; u++) { let l = R(e); o.sampleTable.chunkOffsets.push(l) } } break; case "co64": { let o = this.currentTrack; if (!o || !o.sampleTable) break; e.skip(4); let c = R(e); for (let u = 0; u < c; u++) { let l = De(e); o.sampleTable.chunkOffsets.push(l) } } break; case "mvex": this.isFragmented = !0, this.readContiguousBoxes(e.slice(a, i.contentSize)); break; case "mehd": { let o = O(e); e.skip(3); let c = o === 1 ? De(e) : R(e); this.movieDurationInTimescale = c } break; case "trex": { e.skip(4); let o = R(e), c = R(e), u = R(e), l = R(e), m = R(e); this.fragmentTrackDefaults.push({ trackId: o, defaultSampleDescriptionIndex: c, defaultSampleDuration: u, defaultSampleSize: l, defaultSampleFlags: m }) } break; case "tfra": { let o = O(e); e.skip(3); let c = R(e), u = this.tracks.find(T => T.id === c); if (!u) break; let l = R(e), m = (l & 48) >> 4, d = (l & 12) >> 2, f = l & 3, h = [O, ce, mt, R], b = h[m], g = h[d], y = h[f], k = R(e); for (let T = 0; T < k; T++) { let w = o === 1 ? De(e) : R(e), S = o === 1 ? De(e) : R(e); b(e), g(e), y(e), u.fragmentLookupTable.push({ timestamp: w, moofOffset: S }) } u.fragmentLookupTable.sort((T, w) => T.timestamp - w.timestamp); for (let T = 0; T < u.fragmentLookupTable.length - 1; T++) { let w = u.fragmentLookupTable[T], S = u.fragmentLookupTable[T + 1]; w.timestamp === S.timestamp && (u.fragmentLookupTable.splice(T + 1, 1), T--) } } break; case "moof": this.currentFragment = { moofOffset: r, moofSize: i.totalSize, implicitBaseDataOffset: r, trackData: new Map, psshBoxes: [] }, this.readContiguousBoxes(e.slice(a, i.contentSize)), this.lastReadFragment = this.currentFragment, this.currentFragment = null; break; case "traf": if (p(this.currentFragment), this.readContiguousBoxes(e.slice(a, i.contentSize)), this.currentTrack) { let o = this.currentFragment.trackData.get(this.currentTrack.id); if (o) { this.currentFragment.implicitBaseDataOffset = o.currentOffset, o.presentationTimestamps = o.samples.map((m, d) => ({ presentationTimestamp: m.presentationTimestamp, sampleIndex: d })).sort((m, d) => m.presentationTimestamp - d.presentationTimestamp); for (let m = 0; m < o.presentationTimestamps.length; m++) { let d = o.presentationTimestamps[m], f = o.samples[d.sampleIndex]; if (o.firstKeyFrameTimestamp === null && f.isKeyFrame && (o.firstKeyFrameTimestamp = f.presentationTimestamp), m < o.presentationTimestamps.length - 1) { let b = o.presentationTimestamps[m + 1].presentationTimestamp - d.presentationTimestamp; f.duration = b } } let c = o.samples[o.presentationTimestamps[0].sampleIndex], u = o.samples[X(o.presentationTimestamps).sampleIndex]; o.startTimestamp = c.presentationTimestamp, o.endTimestamp = u.presentationTimestamp + u.duration; let { currentFragmentState: l } = this.currentTrack; p(l), l.startTimestamp !== null && ($o(o, l.startTimestamp), o.startTimestampIsFinal = !0), l.encryptionAuxInfo && !o.samples[0].encryption && (o.encryptionAuxInfo = l.encryptionAuxInfo) } this.currentTrack.currentFragmentState = null, this.currentTrack = null } break; case "pssh": { if (this.input._formatOptions.isobmff?._suppressPsshParsing) break; let o = Na(B(e, i.contentSize)); this.currentFragment ? this.currentFragment.psshBoxes.push(o) : this.currentTrack || this.psshBoxes.push(o) } break; case "tfhd": { p(this.currentFragment), e.skip(1); let o = mt(e), c = !!(o & 1), u = !!(o & 2), l = !!(o & 8), m = !!(o & 16), d = !!(o & 32), f = !!(o & 65536), h = !!(o & 131072), b = R(e), g = this.tracks.find(k => k.id === b); if (!g) break; let y = this.fragmentTrackDefaults.find(k => k.trackId === b); this.currentTrack = g, g.currentFragmentState = { baseDataOffset: this.currentFragment.implicitBaseDataOffset, sampleDescriptionIndex: y?.defaultSampleDescriptionIndex ?? null, defaultSampleDuration: y?.defaultSampleDuration ?? null, defaultSampleSize: y?.defaultSampleSize ?? null, defaultSampleFlags: y?.defaultSampleFlags ?? null, startTimestamp: null, encryptionAuxInfo: null }, c ? g.currentFragmentState.baseDataOffset = De(e) : h && (g.currentFragmentState.baseDataOffset = this.currentFragment.moofOffset), u && (g.currentFragmentState.sampleDescriptionIndex = R(e)), l && (g.currentFragmentState.defaultSampleDuration = R(e)), m && (g.currentFragmentState.defaultSampleSize = R(e)), d && (g.currentFragmentState.defaultSampleFlags = R(e)), f && (g.currentFragmentState.defaultSampleDuration = 0) } break; case "tfdt": { let o = this.currentTrack; if (!o) break; p(o.currentFragmentState); let c = O(e); e.skip(3); let u = c === 0 ? R(e) : De(e); o.currentFragmentState.startTimestamp = u } break; case "trun": { let o = this.currentTrack; if (!o) break; p(this.currentFragment), p(o.currentFragmentState); let c = O(e), u = mt(e), l = !!(u & 1), m = !!(u & 4), d = !!(u & 256), f = !!(u & 512), h = !!(u & 1024), b = !!(u & 2048), g = R(e), y = null; l && (y = Yt(e)); let k = null; m && (k = R(e)); let T; if (this.currentFragment.trackData.has(o.id) ? (T = this.currentFragment.trackData.get(o.id), y !== null && (T.currentOffset = o.currentFragmentState.baseDataOffset + y)) : (T = { track: o, currentTimestamp: 0, currentOffset: o.currentFragmentState.baseDataOffset + (y ?? 0), startTimestamp: 0, endTimestamp: 0, firstKeyFrameTimestamp: null, samples: [], presentationTimestamps: [], startTimestampIsFinal: !1, encryptionAuxInfo: null }, this.currentFragment.trackData.set(o.id, T)), g === 0) { this.currentFragment.implicitBaseDataOffset = T.currentOffset; break } for (let w = 0; w < g; w++) { let S; d ? S = R(e) : (p(o.currentFragmentState.defaultSampleDuration !== null), S = o.currentFragmentState.defaultSampleDuration); let x; f ? x = R(e) : (p(o.currentFragmentState.defaultSampleSize !== null), x = o.currentFragmentState.defaultSampleSize); let P; h ? P = R(e) : (p(o.currentFragmentState.defaultSampleFlags !== null), P = o.currentFragmentState.defaultSampleFlags), w === 0 && k !== null && (P = k); let A = 0; b && (c === 0 ? A = R(e) : A = Yt(e)); let C = !(P & 65536); T.samples.push({ presentationTimestamp: T.currentTimestamp + A, duration: S, byteOffset: T.currentOffset, byteSize: x, isKeyFrame: C, encryption: null }), T.currentOffset += x, T.currentTimestamp += S } } break; case "saiz": { let o = this.currentTrack; if (!o || !o.encryptionInfo) break; if (e.skip(1), mt(e) & 1) { let f = ie(e, 4), h = R(e); if (f !== o.encryptionInfo.scheme || h !== 0) break } let u = O(e), l = R(e), m = null; u === 0 && l > 0 && (m = B(e, l)); let d = kl(o); d.defaultSampleInfoSize = u, d.sampleSizes = m, d.sampleCount = l } break; case "saio": { let o = this.currentTrack; if (!o || !o.encryptionInfo) break; let c = O(e); if (mt(e) & 1) { let f = ie(e, 4), h = R(e); if (f !== o.encryptionInfo.scheme || h !== 0) break } let l = R(e); if (l === 0) break; l > 1 && console.warn("Multiple saio entries are not supported; using the first offset only."); let m = c === 0 ? R(e) : Number(De(e)); this.currentFragment && (m += this.currentFragment.moofOffset); let d = kl(o); d.offset = m } break; case "senc": { let o = this.currentTrack; if (!o || !o.encryptionInfo) break; p(this.currentFragment); let c = this.currentFragment.trackData.get(o.id); if (!c) break; e.skip(1); let l = !!(mt(e) & 2), m = R(e), d = o.encryptionInfo.defaultPerSampleIvSize; p(d !== null); for (let f = 0; f < Math.min(m, c.samples.length); f++) { let h = new Uint8Array(16); d > 0 ? h.set(B(e, d), 0) : h.set(o.encryptionInfo.defaultConstantIv, 0); let b = null; if (l) { let y = ce(e); b = []; for (let k = 0; k < y; k++) { let T = ce(e), w = R(e); b.push({ clearLen: T, protectedLen: w }) } } let g = c.samples[f]; g.encryption = { iv: h, subsamples: b } } } break; case "udta": { let o = this.iterateContiguousBoxes(e.slice(a, i.contentSize)); for (let { boxInfo: c, slice: u } of o) { if (c.name !== "meta" && !this.currentTrack) { let l = u.filePos; this.metadataTags.raw ??= {}, c.name[0] === "\xA9" ? this.metadataTags.raw[c.name] ??= lt(u) : this.metadataTags.raw[c.name] ??= B(u, c.contentSize), u.filePos = l } switch (c.name) { case "meta": u.skip(-c.headerSize), this.traverseBox(u); break; case "\xA9nam": case "name": this.currentTrack ? this.currentTrack.name = he.decode(B(u, c.contentSize)) : this.metadataTags.title ??= lt(u); break; case "\xA9des": this.currentTrack || (this.metadataTags.description ??= lt(u)); break; case "\xA9ART": this.currentTrack || (this.metadataTags.artist ??= lt(u)); break; case "\xA9alb": this.currentTrack || (this.metadataTags.album ??= lt(u)); break; case "albr": this.currentTrack || (this.metadataTags.albumArtist ??= lt(u)); break; case "\xA9gen": this.currentTrack || (this.metadataTags.genre ??= lt(u)); break; case "\xA9day": if (!this.currentTrack) { let l = new Date(lt(u)); Number.isNaN(l.getTime()) || (this.metadataTags.date ??= l) } break; case "\xA9cmt": this.currentTrack || (this.metadataTags.comment ??= lt(u)); break; case "\xA9lyr": this.currentTrack || (this.metadataTags.lyrics ??= lt(u)); break } } } break; case "meta": { if (this.currentTrack) break; let c = R(e) !== 0; this.currentMetadataKeys = new Map, c ? this.readContiguousBoxes(e.slice(a, i.contentSize)) : this.readContiguousBoxes(e.slice(a + 4, i.contentSize - 4)), this.currentMetadataKeys = null } break; case "keys": { if (!this.currentMetadataKeys) break; e.skip(4); let o = R(e); for (let c = 0; c < o; c++) { let u = R(e); e.skip(4); let l = he.decode(B(e, u - 8)); this.currentMetadataKeys.set(c + 1, l) } } break; case "ilst": { if (!this.currentMetadataKeys) break; let o = this.iterateContiguousBoxes(e.slice(a, i.contentSize)); for (let { boxInfo: c, slice: u } of o) { let l = c.name, m = (l.charCodeAt(0) << 24) + (l.charCodeAt(1) << 16) + (l.charCodeAt(2) << 8) + l.charCodeAt(3); this.currentMetadataKeys.has(m) && (l = this.currentMetadataKeys.get(m)); let d = pl(u); switch (this.metadataTags.raw ??= {}, this.metadataTags.raw[l] ??= d, l) { case "\xA9nam": case "titl": case "com.apple.quicktime.title": case "title": typeof d == "string" && (this.metadataTags.title ??= d); break; case "\xA9des": case "desc": case "dscp": case "com.apple.quicktime.description": case "description": typeof d == "string" && (this.metadataTags.description ??= d); break; case "\xA9ART": case "com.apple.quicktime.artist": case "artist": typeof d == "string" && (this.metadataTags.artist ??= d); break; case "\xA9alb": case "albm": case "com.apple.quicktime.album": case "album": typeof d == "string" && (this.metadataTags.album ??= d); break; case "aART": case "album_artist": typeof d == "string" && (this.metadataTags.albumArtist ??= d); break; case "\xA9cmt": case "com.apple.quicktime.comment": case "comment": typeof d == "string" && (this.metadataTags.comment ??= d); break; case "\xA9gen": case "gnre": case "com.apple.quicktime.genre": case "genre": typeof d == "string" && (this.metadataTags.genre ??= d); break; case "\xA9lyr": case "lyrics": typeof d == "string" && (this.metadataTags.lyrics ??= d); break; case "\xA9day": case "rldt": case "com.apple.quicktime.creationdate": case "date": if (typeof d == "string") { let f = new Date(d); Number.isNaN(f.getTime()) || (this.metadataTags.date ??= f) } break; case "covr": case "com.apple.quicktime.artwork": d instanceof He ? (this.metadataTags.images ??= [], this.metadataTags.images.push({ data: d.data, kind: "coverFront", mimeType: d.mimeType })) : d instanceof Uint8Array && (this.metadataTags.images ??= [], this.metadataTags.images.push({ data: d, kind: "coverFront", mimeType: "image/*" })); break; case "track": if (typeof d == "string") { let f = d.split("/"), h = Number.parseInt(f[0], 10), b = f[1] && Number.parseInt(f[1], 10); Number.isInteger(h) && h > 0 && (this.metadataTags.trackNumber ??= h), b && Number.isInteger(b) && b > 0 && (this.metadataTags.tracksTotal ??= b) } break; case "trkn": if (d instanceof Uint8Array && d.length >= 6) { let f = U(d), h = f.getUint16(2, !1), b = f.getUint16(4, !1); h > 0 && (this.metadataTags.trackNumber ??= h), b > 0 && (this.metadataTags.tracksTotal ??= b) } break; case "disc": case "disk": if (d instanceof Uint8Array && d.length >= 6) { let f = U(d), h = f.getUint16(2, !1), b = f.getUint16(4, !1); h > 0 && (this.metadataTags.discNumber ??= h), b > 0 && (this.metadataTags.discsTotal ??= b) } break } } } break }return e.filePos = s, !0 } }, Ka = class { constructor(t) { this.internalTrack = t; this.packetToSampleIndex = new WeakMap; this.packetToFragmentLocation = new WeakMap } getId() { return this.internalTrack.id } getNumber() { let t = this.internalTrack.demuxer, e = this.internalTrack.trackBacking.getType(), r = 0; for (let i of t.tracks) if (i.trackBacking.getType() === e && r++, i === this.internalTrack) break; return r } getCodec() { throw new Error("Not implemented on base class.") } getInternalCodecId() { return this.internalTrack.internalCodecId } getName() { return this.internalTrack.name } getLanguageCode() { return this.internalTrack.languageCode } getTimeResolution() { return this.internalTrack.timescale } isRelativeToUnixEpoch() { return !1 } getDisposition() { return this.internalTrack.disposition } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { let t = this.internalTrack; return t.durationInMediaTimescale <= 0 ? null : (p(t.trackBacking), ((await t.trackBacking.getFirstPacket({ metadataOnly: !0 }))?.timestamp ?? 0) + t.durationInMediaTimescale / t.timescale) } async getLiveRefreshInterval() { return null } async getFirstPacket(t) { let e = await this.fetchPacketForSampleIndex(0, t); return e || !this.internalTrack.demuxer.isFragmented ? e : this.performFragmentedLookup(null, r => r.trackData.get(this.internalTrack.id) ? { sampleIndex: 0, correctSampleFound: !0 } : { sampleIndex: -1, correctSampleFound: !1 }, -1 / 0, 1 / 0, t) } mapTimestampIntoTimescale(t) { return Lt(t * this.internalTrack.timescale) + this.internalTrack.editListOffset } async getPacket(t, e) { let r = this.mapTimestampIntoTimescale(t), i = this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack), a = Yo(i, r), s = await this.fetchPacketForSampleIndex(a, e); return !yl(i) || !this.internalTrack.demuxer.isFragmented ? s : this.performFragmentedLookup(null, o => { let c = o.trackData.get(this.internalTrack.id); if (!c) return { sampleIndex: -1, correctSampleFound: !1 }; let u = q(c.presentationTimestamps, r, d => d.presentationTimestamp), l = u !== -1 ? c.presentationTimestamps[u].sampleIndex : -1, m = u !== -1 && r < c.endTimestamp; return { sampleIndex: l, correctSampleFound: m } }, r, r, e) } async getNextPacket(t, e) { let r = this.packetToSampleIndex.get(t); if (r !== void 0) return this.fetchPacketForSampleIndex(r + 1, e); let i = this.packetToFragmentLocation.get(t); if (i === void 0) throw new Error("Packet was not created from this track."); return this.performFragmentedLookup(i.fragment, a => { if (a === i.fragment) { let s = a.trackData.get(this.internalTrack.id); if (i.sampleIndex + 1 < s.samples.length) return { sampleIndex: i.sampleIndex + 1, correctSampleFound: !0 } } else if (a.trackData.get(this.internalTrack.id)) return { sampleIndex: 0, correctSampleFound: !0 }; return { sampleIndex: -1, correctSampleFound: !1 } }, -1 / 0, 1 / 0, e) } async getKeyPacket(t, e) { let r = this.mapTimestampIntoTimescale(t), i = this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack), a = Bm(i, r), s = await this.fetchPacketForSampleIndex(a, e); return !yl(i) || !this.internalTrack.demuxer.isFragmented ? s : this.performFragmentedLookup(null, o => { let c = o.trackData.get(this.internalTrack.id); if (!c) return { sampleIndex: -1, correctSampleFound: !1 }; let u = lr(c.presentationTimestamps, d => c.samples[d.sampleIndex].isKeyFrame && d.presentationTimestamp <= r), l = u !== -1 ? c.presentationTimestamps[u].sampleIndex : -1, m = u !== -1 && r < c.endTimestamp; return { sampleIndex: l, correctSampleFound: m } }, r, r, e) } async getNextKeyPacket(t, e) { let r = this.packetToSampleIndex.get(t); if (r !== void 0) { let a = this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack), s = Dm(a, r); return this.fetchPacketForSampleIndex(s, e) } let i = this.packetToFragmentLocation.get(t); if (i === void 0) throw new Error("Packet was not created from this track."); return this.performFragmentedLookup(i.fragment, a => { if (a === i.fragment) { let o = a.trackData.get(this.internalTrack.id).samples.findIndex((c, u) => c.isKeyFrame && u > i.sampleIndex); if (o !== -1) return { sampleIndex: o, correctSampleFound: !0 } } else { let s = a.trackData.get(this.internalTrack.id); if (s && s.firstKeyFrameTimestamp !== null) { let o = s.samples.findIndex(c => c.isKeyFrame); return p(o !== -1), { sampleIndex: o, correctSampleFound: !0 } } } return { sampleIndex: -1, correctSampleFound: !1 } }, -1 / 0, 1 / 0, e) } async fetchPacketForSampleIndex(t, e) { if (t === -1) return null; let r = this.internalTrack.demuxer.getSampleTableForTrack(this.internalTrack), i = Om(r, t); if (!i) return null; let a; if (e.metadataOnly) a = pe; else { let u = this.internalTrack.demuxer.reader.requestSlice(i.sampleOffset, i.sampleSize); if (u instanceof Promise && (u = await u), !u) return null; if (a = B(u, i.sampleSize), this.internalTrack.encryptionAuxInfo) { p(this.internalTrack.encryptionInfo); let l = await Sl(this.internalTrack.demuxer.reader, this.internalTrack.encryptionInfo, this.internalTrack.encryptionAuxInfo); t < l.length && (a = await Tl(this.internalTrack, l[t], a, null)) } } let s = (i.presentationTimestamp - this.internalTrack.editListOffset) / this.internalTrack.timescale, o = i.duration / this.internalTrack.timescale, c = new Q(a, i.isKeyFrame ? "key" : "delta", s, o, t, i.sampleSize); return this.packetToSampleIndex.set(c, t), c } async fetchPacketInFragment(t, e, r) { if (e === -1) return null; let a = t.trackData.get(this.internalTrack.id).samples[e]; p(a); let s; if (r.metadataOnly) s = pe; else { let l = this.internalTrack.demuxer.reader.requestSlice(a.byteOffset, a.byteSize); if (l instanceof Promise && (l = await l), !l) return null; s = B(l, a.byteSize), a.encryption && (s = await Tl(this.internalTrack, a.encryption, s, t)) } let o = (a.presentationTimestamp - this.internalTrack.editListOffset) / this.internalTrack.timescale, c = a.duration / this.internalTrack.timescale, u = new Q(s, a.isKeyFrame ? "key" : "delta", o, c, t.moofOffset + e, a.byteSize); return this.packetToFragmentLocation.set(u, { fragment: t, sampleIndex: e }), u } async performFragmentedLookup(t, e, r, i, a) { let s = this.internalTrack.demuxer, o = null, c = null, u = -1; if (t) { let { sampleIndex: g, correctSampleFound: y } = e(t); if (y) return this.fetchPacketInFragment(t, g, a); g !== -1 && (c = t, u = g) } let l = q(this.internalTrack.fragmentLookupTable, r, g => g.timestamp), m = l !== -1 ? this.internalTrack.fragmentLookupTable[l] : null, d = q(this.internalTrack.fragmentPositionCache, r, g => g.startTimestamp), f = d !== -1 ? this.internalTrack.fragmentPositionCache[d] : null, h = Math.max(m?.moofOffset ?? 0, f?.moofOffset ?? 0) || null, b; for (t ? h === null || t.moofOffset >= h ? (b = t.moofOffset + t.moofSize, o = t) : b = h : b = h ?? 0; ;) { if (o) { let T = o.trackData.get(this.internalTrack.id); if (T && T.startTimestamp > i) break } let g = s.reader.requestSliceRange(b, ut, Xt); if (g instanceof Promise && (g = await g), !g) break; let y = b, k = $t(g); if (!k) break; if (k.name === "moof") { o = await s.readFragment(y); let { sampleIndex: T, correctSampleFound: w } = e(o); if (w) return this.fetchPacketInFragment(o, T, a); T !== -1 && (c = o, u = T) } b = y + k.totalSize } if (m && (!c || c.moofOffset < m.moofOffset)) { let g = this.internalTrack.fragmentLookupTable[l - 1]; p(!g || g.timestamp < m.timestamp); let y = g?.timestamp ?? -1 / 0; return this.performFragmentedLookup(null, e, y, i, a) } return c ? this.fetchPacketInFragment(c, u, a) : null } }, Ga = class extends Ka { constructor(e) { super(e); this.decoderConfigPromise = null; this.internalTrack = e } getType() { return "video" } getCodec() { return this.internalTrack.info.codec } getCodedWidth() { return this.internalTrack.info.width } getCodedHeight() { return this.internalTrack.info.height } getSquarePixelWidth() { return this.internalTrack.info.squarePixelWidth } getSquarePixelHeight() { return this.internalTrack.info.squarePixelHeight } getRotation() { return this.internalTrack.rotation } async getColorSpace() { return { primaries: this.internalTrack.info.colorSpace?.primaries, transfer: this.internalTrack.info.colorSpace?.transfer, matrix: this.internalTrack.info.colorSpace?.matrix, fullRange: this.internalTrack.info.colorSpace?.fullRange } } async canBeTransparent() { return !1 } async getDecoderConfig() { return this.internalTrack.info.codec ? this.decoderConfigPromise ??= (async () => { if (this.internalTrack.info.codec === "vp9" && !this.internalTrack.info.vp9CodecInfo) { let r = await this.getFirstPacket({}); this.internalTrack.info.vp9CodecInfo = r && Fa(r.data) } else if (this.internalTrack.info.codec === "av1" && !this.internalTrack.info.av1CodecInfo) { let r = await this.getFirstPacket({}); this.internalTrack.info.av1CodecInfo = r && Ma(r.data) } let e = { codec: Ti(this.internalTrack.info), codedWidth: this.internalTrack.info.width, codedHeight: this.internalTrack.info.height, description: this.internalTrack.info.codecDescription ?? void 0, colorSpace: this.internalTrack.info.colorSpace ?? void 0 }; return (this.internalTrack.info.width !== this.internalTrack.info.squarePixelWidth || this.internalTrack.info.height !== this.internalTrack.info.squarePixelHeight) && (e.displayAspectWidth = this.internalTrack.info.squarePixelWidth, e.displayAspectHeight = this.internalTrack.info.squarePixelHeight), e })() : null } }, Qa = class extends Ka { constructor(e) { super(e); this.decoderConfig = null; this.internalTrack = e } getType() { return "audio" } getCodec() { return this.internalTrack.info.codec } getNumberOfChannels() { return this.internalTrack.info.numberOfChannels } getSampleRate() { return this.internalTrack.info.sampleRate } async getDecoderConfig() { return this.internalTrack.info.codec ? this.decoderConfig ??= { codec: wi(this.internalTrack.info), numberOfChannels: this.internalTrack.info.numberOfChannels, sampleRate: this.internalTrack.info.sampleRate, description: this.internalTrack.info.codecDescription ?? void 0 } : null } }, Yo = (n, t) => { if (n.presentationTimestamps) { let e = q(n.presentationTimestamps, t, r => r.presentationTimestamp); return e === -1 ? -1 : n.presentationTimestamps[e].sampleIndex } else { let e = q(n.sampleTimingEntries, t, i => i.startDecodeTimestamp); if (e === -1) return -1; let r = n.sampleTimingEntries[e]; return r.startIndex + Math.min(Math.floor((t - r.startDecodeTimestamp) / r.delta), r.count - 1) } }, Bm = (n, t) => { if (!n.keySampleIndices) return Yo(n, t); if (n.presentationTimestamps) { let e = q(n.presentationTimestamps, t, r => r.presentationTimestamp); if (e === -1) return -1; for (let r = e; r >= 0; r--) { let i = n.presentationTimestamps[r].sampleIndex; if (Nt(n.keySampleIndices, i, s => s) !== -1) return i } return -1 } else { let e = Yo(n, t), r = q(n.keySampleIndices, e, i => i); return n.keySampleIndices[r] ?? -1 } }, Om = (n, t) => { let e = q(n.sampleTimingEntries, t, y => y.startIndex), r = n.sampleTimingEntries[e]; if (!r || r.startIndex + r.count <= t) return null; let a = r.startDecodeTimestamp + (t - r.startIndex) * r.delta, s = q(n.sampleCompositionTimeOffsets, t, y => y.startIndex), o = n.sampleCompositionTimeOffsets[s]; o && t - o.startIndex < o.count && (a += o.offset); let c = n.sampleSizes[Math.min(t, n.sampleSizes.length - 1)], u = q(n.sampleToChunk, t, y => y.startSampleIndex), l = n.sampleToChunk[u]; p(l); let m = l.startChunkIndex + Math.floor((t - l.startSampleIndex) / l.samplesPerChunk), d = n.chunkOffsets[m], f = l.startSampleIndex + (m - l.startChunkIndex) * l.samplesPerChunk, h = 0, b = d; if (n.sampleSizes.length === 1) b += c * (t - f), h += c * l.samplesPerChunk; else for (let y = f; y < f + l.samplesPerChunk; y++) { let k = n.sampleSizes[y]; y < t && (b += k), h += k } let g = r.delta; if (n.presentationTimestamps) { let y = n.presentationTimestampIndexMap[t]; p(y !== void 0), y < n.presentationTimestamps.length - 1 && (g = n.presentationTimestamps[y + 1].presentationTimestamp - a) } return { presentationTimestamp: a, duration: g, sampleOffset: b, sampleSize: c, chunkOffset: d, chunkSize: h, isKeyFrame: n.keySampleIndices ? Nt(n.keySampleIndices, t, y => y) !== -1 : !0 } }, Dm = (n, t) => { if (!n.keySampleIndices) return t + 1; let e = q(n.keySampleIndices, t, r => r); return n.keySampleIndices[e + 1] ?? -1 }, $o = (n, t) => { n.startTimestamp += t, n.endTimestamp += t; for (let e of n.samples) e.presentationTimestamp += t; for (let e of n.presentationTimestamps) e.presentationTimestamp += t }, Vm = n => { let [t, e] = n, r = Math.atan2(e, t); return Number.isFinite(r) ? r * (180 / Math.PI) : 0 }, yl = n => n.sampleSizes.length === 0, kl = n => n.currentFragmentState ? n.currentFragmentState.encryptionAuxInfo ??= { defaultSampleInfoSize: 0, sampleSizes: null, sampleCount: 0, offset: null, resolved: null } : n.encryptionAuxInfo ??= { defaultSampleInfoSize: 0, sampleSizes: null, sampleCount: 0, offset: null, resolved: null }, Sl = async (n, t, e) => { if (e.resolved) return e.resolved; if (e.offset === null || e.sampleCount === 0) throw new Error("Incomplete saiz/saio info; cannot resolve encryption data."); let r = 0; if (e.defaultSampleInfoSize > 0) r = e.defaultSampleInfoSize * e.sampleCount; else { p(e.sampleSizes); for (let o = 0; o < e.sampleCount; o++)r += e.sampleSizes[o] } let i = n.requestSlice(e.offset, r); if (i instanceof Promise && (i = await i), !i) throw new Error("Failed to read auxiliary encryption info."); let a = t.defaultPerSampleIvSize; p(a !== null); let s = []; for (let o = 0; o < e.sampleCount; o++) { let c = e.defaultSampleInfoSize > 0 ? e.defaultSampleInfoSize : e.sampleSizes[o], u = new Uint8Array(16); a > 0 ? u.set(B(i, a), 0) : u.set(t.defaultConstantIv, 0); let l = null; if (c > a) { let m = ce(i); l = []; for (let d = 0; d < m; d++) { let f = ce(i), h = R(i); l.push({ clearLen: f, protectedLen: h }) } } s.push({ iv: u, subsamples: l }) } return e.resolved = s, s }, Tl = async (n, t, e, r) => { p(n.encryptionInfo); let i = n.encryptionInfo; p(i.defaultKid !== null); let a = i.defaultKid, s, o = n.demuxer.decryptionKeyCache.get(a); if (o) s = await o; else { if (!n.demuxer.input._formatOptions.isobmff?.resolveKeyId) throw new Error("Encrypted media samples encountered. To decrypt them, please provide a callback for InputOptions.formatOptions.isobmff.resolveKeyId."); let c = (async () => { let u = n.demuxer.psshBoxes; if (r) { u = [...u, ...r.psshBoxes].filter(m => m.keyIds === null || m.keyIds.includes(a)); for (let m = 0; m < u.length - 1; m++)for (let d = m + 1; d < u.length; d++)La(u[m], u[d]) && (u.splice(d, 1), d--) } let l = await n.demuxer.input._formatOptions.isobmff.resolveKeyId({ keyId: a, psshBoxes: u }); if (!(typeof l == "string" && l.length === 32 && Su.test(l) || l instanceof Uint8Array && l.byteLength === 16)) throw new TypeError("resolveKeyId must return a 32-character hex string or a 16-byte Uint8Array containing the decryption key."); return l instanceof Uint8Array ? l : Au(l) })(); n.demuxer.decryptionKeyCache.set(a, c), s = await c } return i.scheme === "cenc" || i.scheme === "cens" ? Um(s, i, t, e) : zm(s, i, t, e) }, Um = async (n, t, e, r) => { let i = new Uint8Array(16); i.set(e.iv, 0); let a = await crypto.subtle.importKey("raw", n, { name: "AES-CTR" }, !1, ["decrypt"]), s = async h => { let b = await crypto.subtle.decrypt({ name: "AES-CTR", counter: i, length: 64 }, a, h); return new Uint8Array(b) }; if (!e.subsamples) return s(r); p(t.defaultCryptByteBlock !== null && t.defaultSkipByteBlock !== null); let o = Al(e.subsamples, t.defaultCryptByteBlock, t.defaultSkipByteBlock), c = 0; for (let h of o) for (let b of h.perSubsample) c += b.length; let u = new Uint8Array(c), l = 0; for (let h of o) for (let b of h.perSubsample) u.set(r.subarray(b.offset, b.offset + b.length), l), l += b.length; let m = await s(u), d = new Uint8Array(r), f = 0; for (let h of o) for (let b of h.perSubsample) d.set(m.subarray(f, f + b.length), b.offset), f += b.length; return d }, zm = (n, t, e, r) => { let i = new Tn; i.init({ key: n, iv: e.iv }); let a = t.defaultCryptByteBlock, s = t.defaultSkipByteBlock; if (p(a !== null && s !== null), !e.subsamples) { let l = new Uint8Array(r), m = Math.floor(r.length / 16); for (let d = 0; d < m; d++) { let f = d * 16; i.in.set(r.subarray(f, f + 16)), i.decrypt(), l.set(i.out, f) } return l } if (a === 0 && s === 0) throw new Error("cbcs with subsamples requires pattern encryption."); let o = new Uint8Array(r), c = Al(e.subsamples, a, s), u = new DataView(e.iv.buffer, e.iv.byteOffset, 16); for (let l of c) { i.iv[0] = u.getUint32(0, !1), i.iv[1] = u.getUint32(4, !1), i.iv[2] = u.getUint32(8, !1), i.iv[3] = u.getUint32(12, !1); for (let m of l.perSubsample) { let d = m.length / 16; for (let f = 0; f < d; f++) { let h = m.offset + f * 16; i.in.set(r.subarray(h, h + 16)), i.decrypt(), o.set(i.out, h) } } } return o }, Al = (n, t, e) => { let r = [], i = t !== 0 || e !== 0, a = 0; for (let s of n) { a += s.clearLen; let o = []; if (!i) s.protectedLen > 0 && o.push({ offset: a, length: s.protectedLen }), a += s.protectedLen; else { let c = s.protectedLen, u = a; for (; c > 0 && !(c < 16 * t);) { let l = 16 * t; o.push({ offset: u, length: l }), u += l, c -= l; let m = Math.min(16 * e, c); u += m, c -= m } a += s.protectedLen } r.push({ perSubsample: o }) } return r }; var _i = class { constructor(t) { this.value = t } }, Ri = class { constructor(t) { this.value = t } }, Sn = class { constructor(t) { this.value = t } }, ft = class { constructor(t) { this.value = t } }; var Nm = [440786851, 408125543], Fi = [290298740, 357149030, 524531317, 374648427, 475249515, 423732329, 272869232, 307544935], An = [...Nm, ...Fi], Pl = n => n < 256 ? 1 : n < 65536 ? 2 : n < 1 << 24 ? 3 : n < 2 ** 32 ? 4 : n < 2 ** 40 ? 5 : 6, Cl = n => n < 1n << 8n ? 1 : n < 1n << 16n ? 2 : n < 1n << 24n ? 3 : n < 1n << 32n ? 4 : n < 1n << 40n ? 5 : n < 1n << 48n ? 6 : n < 1n << 56n ? 7 : 8, Il = n => n >= -64 && n < 64 ? 1 : n >= -8192 && n < 8192 ? 2 : n >= -(1 << 20) && n < 1 << 20 ? 3 : n >= -(1 << 27) && n < 1 << 27 ? 4 : n >= -(2 ** 34) && n < 2 ** 34 ? 5 : 6, Lm = n => { if (n < 127) return 1; if (n < 16383) return 2; if (n < (1 << 21) - 1) return 3; if (n < (1 << 28) - 1) return 4; if (n < 2 ** 35 - 1) return 5; if (n < 2 ** 42 - 1) return 6; throw new Error("EBML varint size not supported " + n) }, Xa = class { constructor(t) { this.writer = t; this.helper = new Uint8Array(8); this.helperView = new DataView(this.helper.buffer); this.offsets = new WeakMap; this.dataOffsets = new WeakMap } writeByte(t) { this.helperView.setUint8(0, t), this.writer.write(this.helper.subarray(0, 1)) } writeFloat32(t) { this.helperView.setFloat32(0, t, !1), this.writer.write(this.helper.subarray(0, 4)) } writeFloat64(t) { this.helperView.setFloat64(0, t, !1), this.writer.write(this.helper) } writeUnsignedInt(t, e = Pl(t)) { let r = 0; switch (e) { case 6: this.helperView.setUint8(r++, t / 2 ** 40 | 0); case 5: this.helperView.setUint8(r++, t / 2 ** 32 | 0); case 4: this.helperView.setUint8(r++, t >> 24); case 3: this.helperView.setUint8(r++, t >> 16); case 2: this.helperView.setUint8(r++, t >> 8); case 1: this.helperView.setUint8(r++, t); break; default: throw new Error("Bad unsigned int size " + e) }this.writer.write(this.helper.subarray(0, r)) } writeUnsignedBigInt(t, e = Cl(t)) { let r = 0; for (let i = e - 1; i >= 0; i--)this.helperView.setUint8(r++, Number(t >> BigInt(i * 8) & 0xffn)); this.writer.write(this.helper.subarray(0, r)) } writeSignedInt(t, e = Il(t)) { t < 0 && (t += 2 ** (e * 8)), this.writeUnsignedInt(t, e) } writeVarInt(t, e = Lm(t)) { let r = 0; switch (e) { case 1: this.helperView.setUint8(r++, 128 | t); break; case 2: this.helperView.setUint8(r++, 64 | t >> 8), this.helperView.setUint8(r++, t); break; case 3: this.helperView.setUint8(r++, 32 | t >> 16), this.helperView.setUint8(r++, t >> 8), this.helperView.setUint8(r++, t); break; case 4: this.helperView.setUint8(r++, 16 | t >> 24), this.helperView.setUint8(r++, t >> 16), this.helperView.setUint8(r++, t >> 8), this.helperView.setUint8(r++, t); break; case 5: this.helperView.setUint8(r++, 8 | t / 2 ** 32 & 7), this.helperView.setUint8(r++, t >> 24), this.helperView.setUint8(r++, t >> 16), this.helperView.setUint8(r++, t >> 8), this.helperView.setUint8(r++, t); break; case 6: this.helperView.setUint8(r++, 4 | t / 2 ** 40 & 3), this.helperView.setUint8(r++, t / 2 ** 32 | 0), this.helperView.setUint8(r++, t >> 24), this.helperView.setUint8(r++, t >> 16), this.helperView.setUint8(r++, t >> 8), this.helperView.setUint8(r++, t); break; default: throw new Error("Bad EBML varint size " + e) }this.writer.write(this.helper.subarray(0, r)) } writeAsciiString(t) { this.writer.write(new Uint8Array(t.split("").map(e => e.charCodeAt(0)))) } writeEBML(t) { if (t !== null) if (t instanceof Uint8Array) this.writer.write(t); else if (Array.isArray(t)) for (let e of t) this.writeEBML(e); else if (this.offsets.set(t, this.writer.getPos()), this.writeUnsignedInt(t.id), Array.isArray(t.data)) { let e = this.writer.getPos(), r = t.size === -1 ? 1 : t.size ?? 4; t.size === -1 ? this.writeByte(255) : this.writer.seek(this.writer.getPos() + r); let i = this.writer.getPos(); if (this.dataOffsets.set(t, i), this.writeEBML(t.data), t.size !== -1) { let a = this.writer.getPos() - i, s = this.writer.getPos(); this.writer.seek(e), this.writeVarInt(a, r), this.writer.seek(s) } } else if (typeof t.data == "number") { let e = t.size ?? Pl(t.data); this.writeVarInt(e), this.writeUnsignedInt(t.data, e) } else if (typeof t.data == "bigint") { let e = t.size ?? Cl(t.data); this.writeVarInt(e), this.writeUnsignedBigInt(t.data, e) } else if (typeof t.data == "string") this.writeVarInt(t.data.length), this.writeAsciiString(t.data); else if (t.data instanceof Uint8Array) this.writeVarInt(t.data.byteLength, t.size), this.writer.write(t.data); else if (t.data instanceof _i) this.writeVarInt(4), this.writeFloat32(t.data.value); else if (t.data instanceof Ri) this.writeVarInt(8), this.writeFloat64(t.data.value); else if (t.data instanceof Sn) { let e = t.size ?? Il(t.data.value); this.writeVarInt(e), this.writeSignedInt(t.data.value, e) } else if (t.data instanceof ft) { let e = $.encode(t.data.value); this.writeVarInt(e.length), this.writer.write(e) } else ae(t.data) } }, Zo = 8, Ve = 2, pt = 2 * Zo, Jo = n => { if (n.remainingLength < 1) return null; let t = O(n); if (n.skip(-1), t === 0) return null; let e = 1, r = 128; for (; (t & r) === 0;)e++, r >>= 1; return n.remainingLength < e ? null : e }, Mi = n => { if (n.remainingLength < 1) return null; let t = O(n); if (t === 0) return null; let e = 1, r = 128; for (; (t & r) === 0;)e++, r >>= 1; if (n.remainingLength < e - 1) return null; let i = t & r - 1; for (let a = 1; a < e; a++)i *= 256, i += O(n); return i }, K = (n, t) => { if (t < 1 || t > 8) throw new Error("Bad unsigned int size " + t); let e = 0; for (let r = 0; r < t; r++)e *= 256, e += O(n); return e }, El = (n, t) => { if (t < 1) throw new Error("Bad unsigned int size " + t); let e = 0n; for (let r = 0; r < t; r++)e <<= 8n, e += BigInt(O(n)); return e }; var $a = n => { let t = Jo(n); return t === null || n.remainingLength < t ? null : K(n, t) }, ec = n => { if (n.remainingLength < 1) return null; if (O(n) === 255) return; n.skip(-1); let e = Mi(n); if (e === null) return null; if (e !== 72057594037927940) return e }, ht = n => { p(n.remainingLength >= Ve); let t = $a(n); if (t === null) return null; let e = ec(n); return e === null ? null : { id: t, size: e } }, Tr = (n, t) => { let e = B(n, t), r = 0; for (; r < t && e[r] !== 0;)r += 1; return String.fromCharCode(...e.subarray(0, r)) }, Bi = (n, t) => { let e = B(n, t), r = 0; for (; r < t && e[r] !== 0;)r += 1; return he.decode(e.subarray(0, r)) }, Ya = (n, t) => { if (t === 0) return 0; if (t !== 4 && t !== 8) throw new Error("Bad float size " + t); return t === 4 ? vl(n) : ja(n) }, Za = async (n, t, e, r) => { let i = new Set(e), a = t; for (; r === null || a < r;) { let s = n.requestSliceRange(a, Ve, pt); if (s instanceof Promise && (s = await s), !s) break; let o = ht(s); if (!o) break; if (i.has(o.id)) return { pos: a, found: !0 }; Jt(o.size), a = s.filePos + o.size } return { pos: r !== null && r > a ? r : a, found: !1 } }, tc = async (n, t, e, r) => { let a = new Set(e), s = t; for (; s < r;) { let o = n.requestSliceRange(s, 0, Math.min(65536, r - s)); if (o instanceof Promise && (o = await o), !o || o.length < Zo) break; for (let c = 0; c < o.length - Zo; c++) { o.filePos = s; let u = $a(o); if (u !== null && a.has(u)) return s; s++ } } return null }, Me = { avc: "V_MPEG4/ISO/AVC", hevc: "V_MPEGH/ISO/HEVC", vp8: "V_VP8", vp9: "V_VP9", av1: "V_AV1", aac: "A_AAC", mp3: "A_MPEG/L3", opus: "A_OPUS", vorbis: "A_VORBIS", flac: "A_FLAC", ac3: "A_AC3", eac3: "A_EAC3", "pcm-u8": "A_PCM/INT/LIT", "pcm-s16": "A_PCM/INT/LIT", "pcm-s16be": "A_PCM/INT/BIG", "pcm-s24": "A_PCM/INT/LIT", "pcm-s24be": "A_PCM/INT/BIG", "pcm-s32": "A_PCM/INT/LIT", "pcm-s32be": "A_PCM/INT/BIG", "pcm-f32": "A_PCM/FLOAT/IEEE", "pcm-f64": "A_PCM/FLOAT/IEEE", webvtt: "S_TEXT/WEBVTT" }; function Jt(n) { if (n === void 0) throw new Error("Undefined element size is used in a place where it is not supported.") } var Ja = n => { let e = (n.hasVideo ? "video/" : n.hasAudio ? "audio/" : "application/") + (n.isWebM ? "webm" : "x-matroska"); if (n.codecStrings.length > 0) { let r = [...new Set(n.codecStrings.filter(Boolean))]; e += `; codecs="${r.join(", ")}"` } return e }; var rc = [{ id: 290298740, flag: "seekHeadSeen" }, { id: 357149030, flag: "infoSeen" }, { id: 374648427, flag: "tracksSeen" }, { id: 475249515, flag: "cuesSeen" }], Rl = 10 * 2 ** 20, es = class extends be { constructor(e) { super(e); this.readMetadataPromise = null; this.segments = []; this.currentSegment = null; this.currentTrack = null; this.currentCluster = null; this.currentBlock = null; this.currentBlockAdditional = null; this.currentCueTime = null; this.currentDecodingInstruction = null; this.currentTagTargetIsMovie = !0; this.currentSimpleTagName = null; this.currentAttachedFile = null; this.isWebM = !1; this.reader = e._reader } async getTrackBackings() { return await this.readMetadata(), this.segments.flatMap(e => e.tracks.map(r => r.trackBacking)) } async getMimeType() { await this.readMetadata(); let e = await this.getTrackBackings(), r = await Promise.all(e.map(i => i.getDecoderConfig().then(a => a?.codec ?? null))); return Ja({ isWebM: this.isWebM, hasVideo: this.segments.some(i => i.tracks.some(a => a.info?.type === "video")), hasAudio: this.segments.some(i => i.tracks.some(a => a.info?.type === "audio")), codecStrings: r.filter(Boolean) }) } async getMetadataTags() { await this.readMetadata(); for (let r of this.segments) r.metadataTagsCollected || (this.reader.fileSize !== null && await this.loadSegmentMetadata(r), r.metadataTagsCollected = !0); let e = {}; for (let r of this.segments) e = { ...e, ...r.metadataTags }; return e } readMetadata() { return this.readMetadataPromise ??= (async () => { let e = 0; for (; ;) { let r = this.reader.requestSliceRange(e, Ve, pt); if (r instanceof Promise && (r = await r), !r) break; let i = ht(r); if (!i) break; let a = i.id, s = i.size, o = r.filePos; if (a === 440786851) { Jt(s); let c = this.reader.requestSlice(o, s); if (c instanceof Promise && (c = await c), !c) break; this.readContiguousElements(c) } else if (a === 408125543) { if (await this.readSegment(o, s), s === void 0 || this.reader.fileSize === null) break } else if (a === 524531317) { if (this.reader.fileSize === null) break; s === void 0 && (s = (await Za(this.reader, o, An, this.reader.fileSize)).pos - o); let c = X(this.segments); c && (c.elementEndPos = o + s) } Jt(s), e = o + s } })() } async readSegment(e, r) { this.currentSegment = { seekHeadSeen: !1, infoSeen: !1, tracksSeen: !1, cuesSeen: !1, tagsSeen: !1, attachmentsSeen: !1, timestampScale: -1, timestampFactor: -1, duration: -1, seekEntries: [], tracks: [], cuePoints: [], dataStartPos: e, elementEndPos: r === void 0 ? null : e + r, clusterSeekStartPos: e, lastReadCluster: null, metadataTags: {}, metadataTagsCollected: !1 }, this.segments.push(this.currentSegment); let i = e; for (; this.currentSegment.elementEndPos === null || i < this.currentSegment.elementEndPos;) { let c = this.reader.requestSliceRange(i, Ve, pt); if (c instanceof Promise && (c = await c), !c) break; let u = i, l = ht(c); if (!l || !Fi.includes(l.id) && l.id !== 236) { let b = await tc(this.reader, u, Fi, Math.min(this.currentSegment.elementEndPos ?? 1 / 0, u + Rl)); if (b) { i = b; continue } else break } let { id: m, size: d } = l, f = c.filePos, h = rc.findIndex(b => b.id === m); if (h !== -1) { let b = rc[h].flag; this.currentSegment[b] = !0, Jt(d); let g = this.reader.requestSlice(f, d); g instanceof Promise && (g = await g), g && this.readContiguousElements(g) } else if (m === 307544935 || m === 423732329) { m === 307544935 ? this.currentSegment.tagsSeen = !0 : this.currentSegment.attachmentsSeen = !0, Jt(d); let b = this.reader.requestSlice(f, d); b instanceof Promise && (b = await b), b && this.readContiguousElements(b) } else if (m === 524531317) { this.currentSegment.clusterSeekStartPos = u; break } if (d === void 0) break; i = f + d } if (this.currentSegment.seekEntries.sort((c, u) => c.segmentPosition - u.segmentPosition), this.reader.fileSize !== null) for (let c of this.currentSegment.seekEntries) { let u = rc.find(b => b.id === c.id); if (!u || this.currentSegment[u.flag]) continue; let l = this.reader.requestSliceRange(e + c.segmentPosition, Ve, pt); if (l instanceof Promise && (l = await l), !l) continue; let m = ht(l); if (!m) continue; let { id: d, size: f } = m; if (d !== u.id) continue; Jt(f), this.currentSegment[u.flag] = !0; let h = this.reader.requestSlice(l.filePos, f); h instanceof Promise && (h = await h), h && this.readContiguousElements(h) } this.currentSegment.timestampScale === -1 && (this.currentSegment.timestampScale = 1e6, this.currentSegment.timestampFactor = 1e9 / 1e6); for (let c of this.currentSegment.tracks) c.defaultDurationNs !== null && (c.defaultDuration = this.currentSegment.timestampFactor * c.defaultDurationNs / 1e9); let a = new Map(this.currentSegment.tracks.map(c => [c.id, c])); for (let c of this.currentSegment.cuePoints) { let u = a.get(c.trackId); u && u.cuePoints.push(c) } for (let c of this.currentSegment.tracks) { c.cuePoints.sort((u, l) => u.time - l.time); for (let u = 0; u < c.cuePoints.length - 1; u++) { let l = c.cuePoints[u], m = c.cuePoints[u + 1]; l.time === m.time && (c.cuePoints.splice(u + 1, 1), u--) } } let s = null, o = -1 / 0; for (let c of this.currentSegment.tracks) c.cuePoints.length > o && (o = c.cuePoints.length, s = c); for (let c of this.currentSegment.tracks) c.cuePoints.length === 0 && (c.cuePoints = s.cuePoints); this.currentSegment = null } async readCluster(e, r) { if (r.lastReadCluster?.elementStartPos === e) return r.lastReadCluster; let i = this.reader.requestSliceRange(e, Ve, pt); i instanceof Promise && (i = await i), p(i); let a = e, s = ht(i); p(s); let o = s.id; p(o === 524531317); let c = s.size, u = i.filePos; c === void 0 && (c = (await Za(this.reader, u, An, r.elementEndPos)).pos - u); let l = this.reader.requestSlice(u, c); l instanceof Promise && (l = await l); let m = { segment: r, elementStartPos: a, elementEndPos: u + c, dataStartPos: u, timestamp: -1, trackData: new Map }; if (this.currentCluster = m, l) { let d = this.readContiguousElements(l, An); m.elementEndPos = d } for (let [, d] of m.trackData) { let f = d.track; p(d.blocks.length > 0); let h = !1; for (let k = 0; k < d.blocks.length; k++) { let T = d.blocks[k]; T.timestamp += m.timestamp, h ||= T.lacing !== 0 } d.presentationTimestamps = d.blocks.map((k, T) => ({ timestamp: k.timestamp, blockIndex: T })).sort((k, T) => k.timestamp - T.timestamp); for (let k = 0; k < d.presentationTimestamps.length; k++) { let T = d.presentationTimestamps[k], w = d.blocks[T.blockIndex]; if (d.firstKeyFrameTimestamp === null && w.isKeyFrame && (d.firstKeyFrameTimestamp = w.timestamp), k < d.presentationTimestamps.length - 1) { let S = d.presentationTimestamps[k + 1]; w.duration = S.timestamp - w.timestamp } else w.duration === 0 && f.defaultDuration != null && w.lacing === 0 && (w.duration = f.defaultDuration) } h && (this.expandLacedBlocks(d.blocks, f), d.presentationTimestamps = d.blocks.map((k, T) => ({ timestamp: k.timestamp, blockIndex: T })).sort((k, T) => k.timestamp - T.timestamp)); let b = d.blocks[d.presentationTimestamps[0].blockIndex], g = d.blocks[X(d.presentationTimestamps).blockIndex]; d.startTimestamp = b.timestamp, d.endTimestamp = g.timestamp + g.duration; let y = q(f.clusterPositionCache, d.startTimestamp, k => k.startTimestamp); (y === -1 || f.clusterPositionCache[y].elementStartPos !== a) && f.clusterPositionCache.splice(y + 1, 0, { elementStartPos: m.elementStartPos, startTimestamp: d.startTimestamp }) } return r.lastReadCluster = m, m } getTrackDataInCluster(e, r) { let i = e.trackData.get(r); if (!i) { let a = e.segment.tracks.find(s => s.id === r); if (!a) return null; i = { track: a, startTimestamp: 0, endTimestamp: 0, firstKeyFrameTimestamp: null, blocks: [], presentationTimestamps: [] }, e.trackData.set(r, i) } return i } expandLacedBlocks(e, r) { for (let i = 0; i < e.length; i++) { let a = e[i]; if (a.lacing === 0) continue; a.decoded || (a.data = this.decodeBlockData(r, a.data), a.decoded = !0); let s = ye.tempFromBytes(a.data), o = [], c = O(s) + 1; switch (a.lacing) { case 1: { let l = 0; for (let m = 0; m < c - 1; m++) { let d = 0; for (; s.bufferPos < s.length;) { let f = O(s); if (d += f, f < 255) { o.push(d), l += d; break } } } o.push(s.length - (s.bufferPos + l)) } break; case 2: { let l = s.length - 1, m = Math.floor(l / c); for (let d = 0; d < c; d++)o.push(m) } break; case 3: { let l = Mi(s); p(l !== null); let m = l; o.push(m); let d = m; for (let f = 1; f < c - 1; f++) { let h = s.bufferPos, b = Mi(s); p(b !== null); let g = b, k = (1 << (s.bufferPos - h) * 7 - 1) - 1, T = g - k; m += T, o.push(m), d += m } o.push(s.length - (s.bufferPos + d)) } break; default: p(!1) }p(o.length === c), e.splice(i, 1); let u = a.duration || c * (r.defaultDuration ?? 0); for (let l = 0; l < c; l++) { let m = o[l], d = B(s, m), f = a.timestamp + u * l / c, h = u / c; e.splice(i + l, 0, { timestamp: f, duration: h, isKeyFrame: a.isKeyFrame, data: d, lacing: 0, decoded: !0, mainAdditional: a.mainAdditional }) } i += c, i-- } } async loadSegmentMetadata(e) { for (let r of e.seekEntries) { if (!(r.id === 307544935 && !e.tagsSeen)) { if (!(r.id === 423732329 && !e.attachmentsSeen)) continue } let i = this.reader.requestSliceRange(e.dataStartPos + r.segmentPosition, Ve, pt); if (i instanceof Promise && (i = await i), !i) continue; let a = ht(i); if (!a || a.id !== r.id) continue; let { size: s } = a; Jt(s), p(!this.currentSegment), this.currentSegment = e; let o = this.reader.requestSlice(i.filePos, s); o instanceof Promise && (o = await o), o && this.readContiguousElements(o), this.currentSegment = null, r.id === 307544935 ? e.tagsSeen = !0 : r.id === 423732329 && (e.attachmentsSeen = !0) } } readContiguousElements(e, r) { for (; e.remainingLength >= Ve;) { let i = e.filePos; if (!this.traverseElement(e, r)) return i } return e.filePos } traverseElement(e, r) { let i = ht(e); if (!i || r && r.includes(i.id)) return !1; let { id: a, size: s } = i, o = e.filePos; switch (Jt(s), a) { case 17026: this.isWebM = Tr(e, s) === "webm"; break; case 19899: { if (!this.currentSegment) break; let c = { id: -1, segmentPosition: -1 }; this.currentSegment.seekEntries.push(c), this.readContiguousElements(e.slice(o, s)), (c.id === -1 || c.segmentPosition === -1) && this.currentSegment.seekEntries.pop() } break; case 21419: { let c = this.currentSegment?.seekEntries[this.currentSegment.seekEntries.length - 1]; if (!c) break; c.id = K(e, s) } break; case 21420: { let c = this.currentSegment?.seekEntries[this.currentSegment.seekEntries.length - 1]; if (!c) break; c.segmentPosition = K(e, s) } break; case 2807729: { if (!this.currentSegment) break; this.currentSegment.timestampScale = K(e, s), this.currentSegment.timestampFactor = 1e9 / this.currentSegment.timestampScale } break; case 17545: { if (!this.currentSegment) break; this.currentSegment.duration = Ya(e, s) } break; case 174: { if (!this.currentSegment || (this.currentTrack = { id: -1, segment: this.currentSegment, demuxer: this, clusterPositionCache: [], cuePoints: [], disposition: { ...Se, primary: !1 }, trackBacking: null, codecId: null, codecPrivate: null, defaultDuration: null, defaultDurationNs: null, name: null, languageCode: "eng", hasLanguageBcp47: !1, decodingInstructions: [], info: null }, this.readContiguousElements(e.slice(o, s)), !this.currentTrack)) break; if (this.currentTrack.decodingInstructions.some(c => c.data?.type !== "decompress" || c.scope !== 1 || c.data.algorithm !== 3) && (console.warn(`Track #${this.currentTrack.id} has an unsupported content encoding; dropping.`), this.currentTrack = null), this.currentTrack && this.currentTrack.id !== -1 && this.currentTrack.codecId && this.currentTrack.info) { let c = this.currentTrack.codecId.indexOf("/"), u = c === -1 ? this.currentTrack.codecId : this.currentTrack.codecId.slice(0, c); if (this.currentTrack.info.type === "video" && this.currentTrack.info.width !== -1 && this.currentTrack.info.height !== -1) { if (this.currentTrack.info.squarePixelWidth = this.currentTrack.info.width, this.currentTrack.info.squarePixelHeight = this.currentTrack.info.height, this.currentTrack.info.displayWidth !== null && this.currentTrack.info.displayHeight !== null) { let m = this.currentTrack.info.displayWidth * this.currentTrack.info.height, d = this.currentTrack.info.displayHeight * this.currentTrack.info.width; m > 0 && d > 0 && (m > d ? this.currentTrack.info.squarePixelWidth = Math.round(this.currentTrack.info.width * m / d) : this.currentTrack.info.squarePixelHeight = Math.round(this.currentTrack.info.height * d / m)) } this.currentTrack.codecId === Me.avc ? (this.currentTrack.info.codec = "avc", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : this.currentTrack.codecId === Me.hevc ? (this.currentTrack.info.codec = "hevc", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : u === Me.vp8 ? this.currentTrack.info.codec = "vp8" : u === Me.vp9 ? this.currentTrack.info.codec = "vp9" : u === Me.av1 && (this.currentTrack.info.codec = "av1"); let l = this.currentTrack; this.currentTrack.trackBacking = new ic(l), this.currentSegment.tracks.push(this.currentTrack) } else if (this.currentTrack.info.type === "audio") { u === Me.aac ? (this.currentTrack.info.codec = "aac", this.currentTrack.info.aacCodecInfo = { isMpeg2: this.currentTrack.codecId.includes("MPEG2"), objectType: null }, this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : this.currentTrack.codecId === Me.mp3 ? this.currentTrack.info.codec = "mp3" : u === Me.opus ? (this.currentTrack.info.codec = "opus", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate, this.currentTrack.info.sampleRate = ot) : u === Me.vorbis ? (this.currentTrack.info.codec = "vorbis", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : u === Me.flac ? (this.currentTrack.info.codec = "flac", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : u === Me.ac3 ? (this.currentTrack.info.codec = "ac3", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : u === Me.eac3 ? (this.currentTrack.info.codec = "eac3", this.currentTrack.info.codecDescription = this.currentTrack.codecPrivate) : this.currentTrack.codecId === "A_PCM/INT/LIT" ? this.currentTrack.info.bitDepth === 8 ? this.currentTrack.info.codec = "pcm-u8" : this.currentTrack.info.bitDepth === 16 ? this.currentTrack.info.codec = "pcm-s16" : this.currentTrack.info.bitDepth === 24 ? this.currentTrack.info.codec = "pcm-s24" : this.currentTrack.info.bitDepth === 32 && (this.currentTrack.info.codec = "pcm-s32") : this.currentTrack.codecId === "A_PCM/INT/BIG" ? this.currentTrack.info.bitDepth === 8 ? this.currentTrack.info.codec = "pcm-u8" : this.currentTrack.info.bitDepth === 16 ? this.currentTrack.info.codec = "pcm-s16be" : this.currentTrack.info.bitDepth === 24 ? this.currentTrack.info.codec = "pcm-s24be" : this.currentTrack.info.bitDepth === 32 && (this.currentTrack.info.codec = "pcm-s32be") : this.currentTrack.codecId === "A_PCM/FLOAT/IEEE" && (this.currentTrack.info.bitDepth === 32 ? this.currentTrack.info.codec = "pcm-f32" : this.currentTrack.info.bitDepth === 64 && (this.currentTrack.info.codec = "pcm-f64")); let l = this.currentTrack; this.currentTrack.trackBacking = new nc(l), this.currentSegment.tracks.push(this.currentTrack) } } this.currentTrack = null } break; case 215: { if (!this.currentTrack) break; this.currentTrack.id = K(e, s) } break; case 131: { if (!this.currentTrack) break; let c = K(e, s); c === 1 ? this.currentTrack.info = { type: "video", width: -1, height: -1, displayWidth: null, displayHeight: null, displayUnit: null, squarePixelWidth: -1, squarePixelHeight: -1, rotation: 0, codec: null, codecDescription: null, colorSpace: null, alphaMode: !1 } : c === 2 && (this.currentTrack.info = { type: "audio", numberOfChannels: 1, sampleRate: 8e3, bitDepth: -1, codec: null, codecDescription: null, aacCodecInfo: null }) } break; case 185: { if (!this.currentTrack) break; K(e, s) || (this.currentTrack = null) } break; case 136: { if (!this.currentTrack) break; this.currentTrack.disposition.default = !!K(e, s) } break; case 21930: { if (!this.currentTrack) break; this.currentTrack.disposition.forced = !!K(e, s) } break; case 21934: { if (!this.currentTrack) break; this.currentTrack.disposition.original = !!K(e, s) } break; case 21931: { if (!this.currentTrack) break; this.currentTrack.disposition.hearingImpaired = !!K(e, s) } break; case 21932: { if (!this.currentTrack) break; this.currentTrack.disposition.visuallyImpaired = !!K(e, s) } break; case 21935: { if (!this.currentTrack) break; this.currentTrack.disposition.commentary = !!K(e, s) } break; case 134: { if (!this.currentTrack) break; this.currentTrack.codecId = Tr(e, s) } break; case 25506: { if (!this.currentTrack) break; this.currentTrack.codecPrivate = B(e, s) } break; case 2352003: { if (!this.currentTrack) break; this.currentTrack.defaultDurationNs = K(e, s) } break; case 21358: { if (!this.currentTrack) break; this.currentTrack.name = Bi(e, s) } break; case 2274716: { if (!this.currentTrack || this.currentTrack.hasLanguageBcp47) break; this.currentTrack.languageCode = Tr(e, s), Wt(this.currentTrack.languageCode) || (this.currentTrack.languageCode = ee) } break; case 2274717: { if (!this.currentTrack) break; let u = Tr(e, s).split("-")[0]; u ? this.currentTrack.languageCode = u : this.currentTrack.languageCode = ee, this.currentTrack.hasLanguageBcp47 = !0 } break; case 224: { if (this.currentTrack?.info?.type !== "video") break; this.readContiguousElements(e.slice(o, s)) } break; case 176: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.width = K(e, s) } break; case 186: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.height = K(e, s) } break; case 21680: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.displayWidth = K(e, s) } break; case 21690: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.displayHeight = K(e, s) } break; case 21682: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.displayUnit = K(e, s) } break; case 21440: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.alphaMode = K(e, s) === 1 } break; case 21936: { if (this.currentTrack?.info?.type !== "video") break; this.currentTrack.info.colorSpace = {}, this.readContiguousElements(e.slice(o, s)) } break; case 21937: { if (this.currentTrack?.info?.type !== "video" || !this.currentTrack.info.colorSpace) break; let c = K(e, s), u = Nr[c] ?? null; this.currentTrack.info.colorSpace.matrix = u } break; case 21945: { if (this.currentTrack?.info?.type !== "video" || !this.currentTrack.info.colorSpace) break; this.currentTrack.info.colorSpace.fullRange = K(e, s) === 2 } break; case 21946: { if (this.currentTrack?.info?.type !== "video" || !this.currentTrack.info.colorSpace) break; let c = K(e, s), u = zr[c] ?? null; this.currentTrack.info.colorSpace.transfer = u } break; case 21947: { if (this.currentTrack?.info?.type !== "video" || !this.currentTrack.info.colorSpace) break; let c = K(e, s), u = Ur[c] ?? null; this.currentTrack.info.colorSpace.primaries = u } break; case 30320: { if (this.currentTrack?.info?.type !== "video") break; this.readContiguousElements(e.slice(o, s)) } break; case 30325: { if (this.currentTrack?.info?.type !== "video") break; let u = -Ya(e, s); try { this.currentTrack.info.rotation = Tt(u) } catch { } } break; case 225: { if (this.currentTrack?.info?.type !== "audio") break; this.readContiguousElements(e.slice(o, s)) } break; case 181: { if (this.currentTrack?.info?.type !== "audio") break; this.currentTrack.info.sampleRate = Ya(e, s) } break; case 159: { if (this.currentTrack?.info?.type !== "audio") break; this.currentTrack.info.numberOfChannels = K(e, s) } break; case 25188: { if (this.currentTrack?.info?.type !== "audio") break; this.currentTrack.info.bitDepth = K(e, s) } break; case 187: { if (!this.currentSegment) break; this.readContiguousElements(e.slice(o, s)), this.currentCueTime = null } break; case 179: this.currentCueTime = K(e, s); break; case 183: { if (this.currentCueTime === null) break; p(this.currentSegment); let c = { time: this.currentCueTime, trackId: -1, clusterPosition: -1 }; this.currentSegment.cuePoints.push(c), this.readContiguousElements(e.slice(o, s)), (c.trackId === -1 || c.clusterPosition === -1) && this.currentSegment.cuePoints.pop() } break; case 247: { let c = this.currentSegment?.cuePoints[this.currentSegment.cuePoints.length - 1]; if (!c) break; c.trackId = K(e, s) } break; case 241: { let c = this.currentSegment?.cuePoints[this.currentSegment.cuePoints.length - 1]; if (!c) break; p(this.currentSegment), c.clusterPosition = this.currentSegment.dataStartPos + K(e, s) } break; case 231: { if (!this.currentCluster) break; this.currentCluster.timestamp = K(e, s) } break; case 163: { if (!this.currentCluster) break; let c = Mi(e); if (c === null) break; let u = this.getTrackDataInCluster(this.currentCluster, c); if (!u) break; let l = wn(e), m = O(e), d = m >> 1 & 3, f = !!(m & 128); u.track.info?.type === "audio" && u.track.info.codec && (f = !0); let h = B(e, s - (e.filePos - o)), b = u.track.decodingInstructions.length > 0; u.blocks.push({ timestamp: l, duration: 0, isKeyFrame: f, data: h, lacing: d, decoded: !b, mainAdditional: null }) } break; case 160: { if (!this.currentCluster) break; this.readContiguousElements(e.slice(o, s)), this.currentBlock = null } break; case 161: { if (!this.currentCluster) break; let c = Mi(e); if (c === null) break; let u = this.getTrackDataInCluster(this.currentCluster, c); if (!u) break; let l = wn(e), d = O(e) >> 1 & 3, f = B(e, s - (e.filePos - o)), h = u.track.decodingInstructions.length > 0; this.currentBlock = { timestamp: l, duration: 0, isKeyFrame: !0, data: f, lacing: d, decoded: !h, mainAdditional: null }, u.blocks.push(this.currentBlock) } break; case 30113: this.readContiguousElements(e.slice(o, s)); break; case 166: { if (!this.currentBlock) break; this.currentBlockAdditional = { addId: 1, data: null }, this.readContiguousElements(e.slice(o, s)), this.currentBlockAdditional.data && this.currentBlockAdditional.addId === 1 && (this.currentBlock.mainAdditional = this.currentBlockAdditional.data), this.currentBlockAdditional = null } break; case 165: { if (!this.currentBlockAdditional) break; this.currentBlockAdditional.data = B(e, s) } break; case 238: { if (!this.currentBlockAdditional) break; this.currentBlockAdditional.addId = K(e, s) } break; case 155: { if (!this.currentBlock) break; this.currentBlock.duration = K(e, s) } break; case 251: { if (!this.currentBlock) break; this.currentBlock.isKeyFrame = !1 } break; case 29555: this.currentTagTargetIsMovie = !0, this.readContiguousElements(e.slice(o, s)); break; case 25536: this.readContiguousElements(e.slice(o, s)); break; case 26826: K(e, s) !== 50 && (this.currentTagTargetIsMovie = !1); break; case 25541: case 25545: case 25540: case 25542: this.currentTagTargetIsMovie = !1; break; case 26568: { if (!this.currentTagTargetIsMovie) break; this.currentSimpleTagName = null, this.readContiguousElements(e.slice(o, s)) } break; case 17827: this.currentSimpleTagName = Bi(e, s); break; case 17543: { if (!this.currentSimpleTagName) break; let c = Bi(e, s); this.processTagValue(this.currentSimpleTagName, c) } break; case 17541: { if (!this.currentSimpleTagName) break; let c = B(e, s); this.processTagValue(this.currentSimpleTagName, c) } break; case 24999: { if (!this.currentSegment) break; this.currentAttachedFile = { fileUid: null, fileName: null, fileMediaType: null, fileData: null, fileDescription: null }, this.readContiguousElements(e.slice(o, s)); let c = this.currentSegment.metadataTags; if (this.currentAttachedFile.fileUid && this.currentAttachedFile.fileData && (c.raw ??= {}, c.raw[this.currentAttachedFile.fileUid.toString()] = new Kt(this.currentAttachedFile.fileData, this.currentAttachedFile.fileMediaType ?? void 0, this.currentAttachedFile.fileName ?? void 0, this.currentAttachedFile.fileDescription ?? void 0)), this.currentAttachedFile.fileMediaType?.startsWith("image/") && this.currentAttachedFile.fileData) { let u = this.currentAttachedFile.fileName, l = "unknown"; if (u) { let m = u.toLowerCase(); m.startsWith("cover.") ? l = "coverFront" : m.startsWith("back.") && (l = "coverBack") } c.images ??= [], c.images.push({ data: this.currentAttachedFile.fileData, mimeType: this.currentAttachedFile.fileMediaType, kind: l, name: this.currentAttachedFile.fileName ?? void 0, description: this.currentAttachedFile.fileDescription ?? void 0 }) } this.currentAttachedFile = null } break; case 18094: { if (!this.currentAttachedFile) break; this.currentAttachedFile.fileUid = El(e, s) } break; case 18030: { if (!this.currentAttachedFile) break; this.currentAttachedFile.fileName = Bi(e, s) } break; case 18016: { if (!this.currentAttachedFile) break; this.currentAttachedFile.fileMediaType = Tr(e, s) } break; case 18012: { if (!this.currentAttachedFile) break; this.currentAttachedFile.fileData = B(e, s) } break; case 18046: { if (!this.currentAttachedFile) break; this.currentAttachedFile.fileDescription = Bi(e, s) } break; case 28032: { if (!this.currentTrack) break; this.readContiguousElements(e.slice(o, s)), this.currentTrack.decodingInstructions.sort((c, u) => u.order - c.order) } break; case 25152: this.currentDecodingInstruction = { order: 0, scope: 1, data: null }, this.readContiguousElements(e.slice(o, s)), this.currentDecodingInstruction.data && this.currentTrack.decodingInstructions.push(this.currentDecodingInstruction), this.currentDecodingInstruction = null; break; case 20529: { if (!this.currentDecodingInstruction) break; this.currentDecodingInstruction.order = K(e, s) } break; case 20530: { if (!this.currentDecodingInstruction) break; this.currentDecodingInstruction.scope = K(e, s) } break; case 20532: { if (!this.currentDecodingInstruction) break; this.currentDecodingInstruction.data = { type: "decompress", algorithm: 0, settings: null }, this.readContiguousElements(e.slice(o, s)) } break; case 16980: { if (this.currentDecodingInstruction?.data?.type !== "decompress") break; this.currentDecodingInstruction.data.algorithm = K(e, s) } break; case 16981: { if (this.currentDecodingInstruction?.data?.type !== "decompress") break; this.currentDecodingInstruction.data.settings = B(e, s) } break; case 20533: { if (!this.currentDecodingInstruction) break; this.currentDecodingInstruction.data = { type: "decrypt" } } break }return e.filePos = o + s, !0 } decodeBlockData(e, r) { p(e.decodingInstructions.length > 0); let i = r; for (let a of e.decodingInstructions) switch (p(a.data), a.data.type) { case "decompress": switch (a.data.algorithm) { case 3: if (a.data.settings && a.data.settings.length > 0) { let s = a.data.settings, o = new Uint8Array(s.length + i.length); o.set(s, 0), o.set(i, s.length), i = o } break; default: }break; default: }return i } processTagValue(e, r) { if (!this.currentSegment?.metadataTags) return; let i = this.currentSegment.metadataTags; if (i.raw ??= {}, i.raw[e] ??= r, typeof r == "string") switch (e.toLowerCase()) { case "title": i.title ??= r; break; case "description": i.description ??= r; break; case "artist": i.artist ??= r; break; case "album": i.album ??= r; break; case "album_artist": i.albumArtist ??= r; break; case "genre": i.genre ??= r; break; case "comment": i.comment ??= r; break; case "lyrics": i.lyrics ??= r; break; case "date": { let a = new Date(r); Number.isNaN(a.getTime()) || (i.date ??= a) } break; case "track_number": case "part_number": { let a = r.split("/"), s = Number.parseInt(a[0], 10), o = a[1] && Number.parseInt(a[1], 10); Number.isInteger(s) && s > 0 && (i.trackNumber ??= s), o && Number.isInteger(o) && o > 0 && (i.tracksTotal ??= o) } break; case "disc_number": case "disc": { let a = r.split("/"), s = Number.parseInt(a[0], 10), o = a[1] && Number.parseInt(a[1], 10); Number.isInteger(s) && s > 0 && (i.discNumber ??= s), o && Number.isInteger(o) && o > 0 && (i.discsTotal ??= o) } break } } }, ts = class { constructor(t) { this.internalTrack = t; this.packetToClusterLocation = new WeakMap } getId() { return this.internalTrack.id } getNumber() { let t = this.internalTrack.demuxer, e = this.internalTrack.trackBacking.getType(), r = 0; for (let i of t.segments) for (let a of i.tracks) if (a.trackBacking.getType() === e && r++, a === this.internalTrack) break; return r } getCodec() { throw new Error("Not implemented on base class.") } getInternalCodecId() { return this.internalTrack.codecId } getName() { return this.internalTrack.name } getLanguageCode() { return this.internalTrack.languageCode } getTimeResolution() { return this.internalTrack.segment.timestampFactor } isRelativeToUnixEpoch() { return !1 } getDisposition() { return this.internalTrack.disposition } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { let t = this.internalTrack.segment; if (t.duration <= 0) return null; let e = t.duration / t.timestampFactor, r = await this.getFirstPacket({ metadataOnly: !0 }); return e += r?.timestamp ?? 0, e } async getLiveRefreshInterval() { return null } async getFirstPacket(t) { return this.performClusterLookup(null, e => e.trackData.get(this.internalTrack.id) ? { blockIndex: 0, correctBlockFound: !0 } : { blockIndex: -1, correctBlockFound: !1 }, -1 / 0, 1 / 0, t) } intoTimescale(t) { return Lt(t * this.internalTrack.segment.timestampFactor) } async getPacket(t, e) { let r = this.intoTimescale(t); return this.performClusterLookup(null, i => { let a = i.trackData.get(this.internalTrack.id); if (!a) return { blockIndex: -1, correctBlockFound: !1 }; let s = q(a.presentationTimestamps, r, u => u.timestamp), o = s !== -1 ? a.presentationTimestamps[s].blockIndex : -1, c = s !== -1 && r < a.endTimestamp; return { blockIndex: o, correctBlockFound: c } }, r, r, e) } async getNextPacket(t, e) { let r = this.packetToClusterLocation.get(t); if (r === void 0) throw new Error("Packet was not created from this track."); return this.performClusterLookup(r.cluster, i => { if (i === r.cluster) { let a = i.trackData.get(this.internalTrack.id); if (r.blockIndex + 1 < a.blocks.length) return { blockIndex: r.blockIndex + 1, correctBlockFound: !0 } } else if (i.trackData.get(this.internalTrack.id)) return { blockIndex: 0, correctBlockFound: !0 }; return { blockIndex: -1, correctBlockFound: !1 } }, -1 / 0, 1 / 0, e) } async getKeyPacket(t, e) { let r = this.intoTimescale(t); return this.performClusterLookup(null, i => { let a = i.trackData.get(this.internalTrack.id); if (!a) return { blockIndex: -1, correctBlockFound: !1 }; let s = lr(a.presentationTimestamps, u => a.blocks[u.blockIndex].isKeyFrame && u.timestamp <= r), o = s !== -1 ? a.presentationTimestamps[s].blockIndex : -1, c = s !== -1 && r < a.endTimestamp; return { blockIndex: o, correctBlockFound: c } }, r, r, e) } async getNextKeyPacket(t, e) { let r = this.packetToClusterLocation.get(t); if (r === void 0) throw new Error("Packet was not created from this track."); return this.performClusterLookup(r.cluster, i => { if (i === r.cluster) { let s = i.trackData.get(this.internalTrack.id).blocks.findIndex((o, c) => o.isKeyFrame && c > r.blockIndex); if (s !== -1) return { blockIndex: s, correctBlockFound: !0 } } else { let a = i.trackData.get(this.internalTrack.id); if (a && a.firstKeyFrameTimestamp !== null) { let s = a.blocks.findIndex(o => o.isKeyFrame); return p(s !== -1), { blockIndex: s, correctBlockFound: !0 } } } return { blockIndex: -1, correctBlockFound: !1 } }, -1 / 0, 1 / 0, e) } async fetchPacketInCluster(t, e, r) { if (e === -1) return null; let a = t.trackData.get(this.internalTrack.id).blocks[e]; p(a), a.decoded || (a.data = this.internalTrack.demuxer.decodeBlockData(this.internalTrack, a.data), a.decoded = !0); let s = r.metadataOnly ? pe : a.data, o = a.timestamp / this.internalTrack.segment.timestampFactor, c = a.duration / this.internalTrack.segment.timestampFactor, u = {}; a.mainAdditional && this.internalTrack.info?.type === "video" && this.internalTrack.info.alphaMode && (u.alpha = r.metadataOnly ? pe : a.mainAdditional, u.alphaByteLength = a.mainAdditional.byteLength); let l = new Q(s, a.isKeyFrame ? "key" : "delta", o, c, t.dataStartPos + e, a.data.byteLength, u); return this.packetToClusterLocation.set(l, { cluster: t, blockIndex: e }), l } async performClusterLookup(t, e, r, i, a) { let { demuxer: s, segment: o } = this.internalTrack, c = null, u = null, l = -1; if (t) { let { blockIndex: y, correctBlockFound: k } = e(t); if (k) return this.fetchPacketInCluster(t, y, a); y !== -1 && (u = t, l = y) } let m = q(this.internalTrack.cuePoints, r, y => y.time), d = m !== -1 ? this.internalTrack.cuePoints[m] : null, f = q(this.internalTrack.clusterPositionCache, r, y => y.startTimestamp), h = f !== -1 ? this.internalTrack.clusterPositionCache[f] : null, b = Math.max(d?.clusterPosition ?? 0, h?.elementStartPos ?? 0) || null, g; for (t ? b === null || t.elementStartPos >= b ? (g = t.elementEndPos, c = t) : g = b : g = b ?? o.clusterSeekStartPos; o.elementEndPos === null || g <= o.elementEndPos - Ve;) { if (c) { let A = c.trackData.get(this.internalTrack.id); if (A && A.startTimestamp > i) break } let y = s.reader.requestSliceRange(g, Ve, pt); if (y instanceof Promise && (y = await y), !y) break; let k = g, T = ht(y); if (!T || !Fi.includes(T.id) && T.id !== 236) { let A = await tc(s.reader, k, Fi, Math.min(o.elementEndPos ?? 1 / 0, k + Rl)); if (A) { g = A; continue } else break } let w = T.id, S = T.size, x = y.filePos; if (w === 524531317) { c = await s.readCluster(k, o), S = c.elementEndPos - x; let { blockIndex: A, correctBlockFound: C } = e(c); if (C) return this.fetchPacketInCluster(c, A, a); A !== -1 && (u = c, l = A) } S === void 0 && (p(w !== 524531317), S = (await Za(s.reader, x, An, o.elementEndPos)).pos - x); let P = x + S; if (o.elementEndPos === null) { let A = s.reader.requestSliceRange(P, Ve, pt); if (A instanceof Promise && (A = await A), !A) break; if ($a(A) === 408125543) { o.elementEndPos = P; break } } g = P } if (d && (!u || u.elementStartPos < d.clusterPosition)) { let y = this.internalTrack.cuePoints[m - 1]; p(!y || y.time < d.time); let k = y?.time ?? -1 / 0; return this.performClusterLookup(null, e, k, i, a) } return u ? this.fetchPacketInCluster(u, l, a) : null } }, ic = class extends ts { constructor(e) { super(e); this.decoderConfigPromise = null; this.internalTrack = e } getType() { return "video" } getCodec() { return this.internalTrack.info.codec } getCodedWidth() { return this.internalTrack.info.width } getCodedHeight() { return this.internalTrack.info.height } getSquarePixelWidth() { return this.internalTrack.info.squarePixelWidth } getSquarePixelHeight() { return this.internalTrack.info.squarePixelHeight } getRotation() { return this.internalTrack.info.rotation } async getColorSpace() { return { primaries: this.internalTrack.info.colorSpace?.primaries, transfer: this.internalTrack.info.colorSpace?.transfer, matrix: this.internalTrack.info.colorSpace?.matrix, fullRange: this.internalTrack.info.colorSpace?.fullRange } } async canBeTransparent() { return this.internalTrack.info.alphaMode } async getDecoderConfig() { return this.internalTrack.info.codec ? this.decoderConfigPromise ??= (async () => { let e = null; (this.internalTrack.info.codec === "vp9" || this.internalTrack.info.codec === "av1" || this.internalTrack.info.codec === "avc" && !this.internalTrack.info.codecDescription || this.internalTrack.info.codec === "hevc" && !this.internalTrack.info.codecDescription) && (e = await this.getFirstPacket({})); let i = { codec: Ti({ width: this.internalTrack.info.width, height: this.internalTrack.info.height, codec: this.internalTrack.info.codec, codecDescription: this.internalTrack.info.codecDescription, colorSpace: this.internalTrack.info.colorSpace, avcType: 1, avcCodecInfo: this.internalTrack.info.codec === "avc" && e ? Ai(e.data) : null, hevcCodecInfo: this.internalTrack.info.codec === "hevc" && e ? xi(e.data) : null, vp9CodecInfo: this.internalTrack.info.codec === "vp9" && e ? Fa(e.data) : null, av1CodecInfo: this.internalTrack.info.codec === "av1" && e ? Ma(e.data) : null }), codedWidth: this.internalTrack.info.width, codedHeight: this.internalTrack.info.height, description: this.internalTrack.info.codecDescription ?? void 0, colorSpace: this.internalTrack.info.colorSpace ?? void 0 }; return (this.internalTrack.info.width !== this.internalTrack.info.squarePixelWidth || this.internalTrack.info.height !== this.internalTrack.info.squarePixelHeight) && (i.displayAspectWidth = this.internalTrack.info.squarePixelWidth, i.displayAspectHeight = this.internalTrack.info.squarePixelHeight), i })() : null } }, nc = class extends ts { constructor(e) { super(e); this.decoderConfig = null; this.internalTrack = e } getType() { return "audio" } getCodec() { return this.internalTrack.info.codec } getNumberOfChannels() { return this.internalTrack.info.numberOfChannels } getSampleRate() { return this.internalTrack.info.sampleRate } async getDecoderConfig() { return this.internalTrack.info.codec ? this.decoderConfig ??= { codec: wi({ codec: this.internalTrack.info.codec, codecDescription: this.internalTrack.info.codecDescription, aacCodecInfo: this.internalTrack.info.aacCodecInfo }), numberOfChannels: this.internalTrack.info.numberOfChannels, sampleRate: this.internalTrack.info.sampleRate, description: this.internalTrack.info.codecDescription ?? void 0 } : null } }; var xn = async (n, t, e) => { let i = t; for (; e === null || i < e;) { let a = e !== null ? Math.min(65536, e - i) : 65536, s = n.requestSliceRange(i, 4, a); if (s instanceof Promise && (s = await s), !s || s.length < 4) break; for (; s.remainingLength >= 4;) { let o = s.filePos, c = R(s), u = n.fileSize !== null ? n.fileSize - i : null, l = Gr(c, u); if (l.header) return { header: l.header, startPos: i }; s.filePos = o + l.bytesAdvanced, i = s.filePos } } return null }; var rs = class extends be { constructor(e) { super(e); this.metadataPromise = null; this.firstFrameHeader = null; this.firstFrameHeaderPos = null; this.loadedSamples = []; this.metadataTags = null; this.xingData = null; this.trackBackings = []; this.readingMutex = new ve; this.lastSampleLoaded = !1; this.lastLoadedPos = 0; this.nextTimestampInSamples = 0; this.reader = e._reader } async readMetadata() { return this.metadataPromise ??= (async () => { for (; !this.firstFrameHeader && !this.lastSampleLoaded;)await this.advanceReader(); if (!this.firstFrameHeader) throw new Error("No valid MP3 frame found."); this.trackBackings = [new ac(this)] })() } async advanceReader() { if (this.lastLoadedPos === 0) for (; ;) { let c = this.reader.requestSlice(this.lastLoadedPos, qe); if (c instanceof Promise && (c = await c), !c) { this.lastSampleLoaded = !0; return } let u = gt(c); if (!u) break; this.lastLoadedPos = c.filePos + u.size } let e = await xn(this.reader, this.lastLoadedPos, this.reader.fileSize); if (!e) { this.lastSampleLoaded = !0; return } let r = e.header; this.lastLoadedPos = e.startPos + r.totalSize - 1; let i = gr(r.mpegVersionId, r.channel), a = this.reader.requestSlice(e.startPos + i, 4); if (a instanceof Promise && (a = await a), a) { let c = R(a); if (c === hr || c === Si) { if (!this.xingData) { let l = this.reader.requestSlice(e.startPos + i + 4, 12); if (l instanceof Promise && (l = await l), l) { let m = B(l, 12), d = U(m), f = d.getUint32(0, !1); this.xingData = { frameCount: f & 1 ? d.getUint32(4, !1) : null, fileSize: f & 2 ? d.getUint32(8, !1) : null } } } return } } this.firstFrameHeader || (this.firstFrameHeader = r, this.firstFrameHeaderPos = e.startPos), r.sampleRate !== this.firstFrameHeader.sampleRate && console.warn(`MP3 changed sample rate mid-file: ${this.firstFrameHeader.sampleRate} Hz to ${r.sampleRate} Hz. Might be a bug, so please report this file.`); let s = r.audioSamplesInFrame / this.firstFrameHeader.sampleRate, o = { timestamp: this.nextTimestampInSamples / this.firstFrameHeader.sampleRate, duration: s, dataStart: e.startPos, dataSize: r.totalSize }; this.loadedSamples.push(o), this.nextTimestampInSamples += r.audioSamplesInFrame } async getMimeType() { return "audio/mpeg" } async getTrackBackings() { return await this.readMetadata(), this.trackBackings } async getMetadataTags() { let e = await this.readingMutex.acquire(); try { if (await this.readMetadata(), this.metadataTags) return this.metadataTags; this.metadataTags = {}; let r = 0, i = !1; for (; ;) { let a = this.reader.requestSlice(r, qe); if (a instanceof Promise && (a = await a), !a) break; let s = gt(a); if (!s) break; i = !0; let o = this.reader.requestSlice(a.filePos, s.size); if (o instanceof Promise && (o = await o), !o) break; Oi(o, s, this.metadataTags), r = a.filePos + s.size } if (!i && this.reader.fileSize !== null && this.reader.fileSize >= Pn) { let a = this.reader.requestSlice(this.reader.fileSize - Pn, Pn); a instanceof Promise && (a = await a), p(a), ie(a, 3) === "TAG" && Fl(a, this.metadataTags) } return this.metadataTags } finally { e() } } }, ac = class { constructor(t) { this.demuxer = t } getType() { return "audio" } getId() { return 1 } getNumber() { return 1 } getTimeResolution() { return p(this.demuxer.firstFrameHeader), this.demuxer.firstFrameHeader.sampleRate / this.demuxer.firstFrameHeader.audioSamplesInFrame } isRelativeToUnixEpoch() { return !1 } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { let t = this.demuxer; if (p(t.firstFrameHeader !== null), p(t.firstFrameHeaderPos !== null), t.xingData) { if (t.xingData.frameCount !== null) return t.xingData.frameCount * t.firstFrameHeader.audioSamplesInFrame / t.firstFrameHeader.sampleRate } else if (t.reader.fileSize !== null) { let e = Ju(t.firstFrameHeader.lowSamplingFrequency, t.firstFrameHeader.layer, t.firstFrameHeader.bitrate, t.firstFrameHeader.sampleRate), r = (t.reader.fileSize - t.firstFrameHeaderPos) / e; return Math.round(r) * t.firstFrameHeader.audioSamplesInFrame / t.firstFrameHeader.sampleRate } return null } async getLiveRefreshInterval() { return null } getName() { return null } getLanguageCode() { return ee } getCodec() { return "mp3" } getInternalCodecId() { return null } getNumberOfChannels() { return p(this.demuxer.firstFrameHeader), this.demuxer.firstFrameHeader.channel === 3 ? 1 : 2 } getSampleRate() { return p(this.demuxer.firstFrameHeader), this.demuxer.firstFrameHeader.sampleRate } getDisposition() { return { ...Se } } async getDecoderConfig() { return p(this.demuxer.firstFrameHeader), { codec: "mp3", numberOfChannels: this.demuxer.firstFrameHeader.channel === 3 ? 1 : 2, sampleRate: this.demuxer.firstFrameHeader.sampleRate } } async getPacketAtIndex(t, e) { if (t === -1) return null; let r = this.demuxer.loadedSamples[t]; if (!r) return null; let i; if (e.metadataOnly) i = pe; else { let a = this.demuxer.reader.requestSlice(r.dataStart, r.dataSize); if (a instanceof Promise && (a = await a), !a) return null; i = B(a, r.dataSize) } return new Q(i, "key", r.timestamp, r.duration, t, r.dataSize) } getFirstPacket(t) { return this.getPacketAtIndex(0, t) } async getNextPacket(t, e) { let r = await this.demuxer.readingMutex.acquire(); try { let i = Nt(this.demuxer.loadedSamples, t.timestamp, s => s.timestamp); if (i === -1) throw new Error("Packet was not created from this track."); let a = i + 1; for (; a >= this.demuxer.loadedSamples.length && !this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader(); return this.getPacketAtIndex(a, e) } finally { r() } } async getPacket(t, e) { let r = await this.demuxer.readingMutex.acquire(); try { for (; ;) { let i = q(this.demuxer.loadedSamples, t, a => a.timestamp); if (i === -1 && this.demuxer.loadedSamples.length > 0) return null; if (this.demuxer.lastSampleLoaded) return this.getPacketAtIndex(i, e); if (i >= 0 && i + 1 < this.demuxer.loadedSamples.length) return this.getPacketAtIndex(i, e); await this.demuxer.advanceReader() } } finally { r() } } getKeyPacket(t, e) { return this.getPacket(t, e) } getNextKeyPacket(t, e) { return this.getNextPacket(t, e) } }; var Cn = 1399285583, Hm = 79764919, Ml = new Uint32Array(256); for (let n = 0; n < 256; n++) { let t = n << 24; for (let e = 0; e < 8; e++)t = t & 2147483648 ? t << 1 ^ Hm : t << 1; Ml[n] = t >>> 0 & 4294967295 } var is = n => { let t = U(n), e = t.getUint32(22, !0); t.setUint32(22, 0, !0); let r = 0; for (let i = 0; i < n.length; i++) { let a = n[i]; r = (r << 8 ^ Ml[r >>> 24 ^ a]) >>> 0 } return t.setUint32(22, e, !0), r }, ns = (n, t, e) => { let r = 0, i = null; if (n.length > 0) if (t.codec === "vorbis") { p(t.vorbisInfo); let a = t.vorbisInfo.modeBlockflags.length, o = (1 << _u(a - 1)) - 1 << 1, c = (n[0] & o) >> 1; if (c >= t.vorbisInfo.modeBlockflags.length) throw new Error("Invalid mode number."); let u = e, l = t.vorbisInfo.modeBlockflags[c]; if (i = t.vorbisInfo.blocksizes[l], l === 1) { let m = (o | 1) + 1, d = n[0] & m ? 1 : 0; u = t.vorbisInfo.blocksizes[d] } r = u !== null ? u + i >> 2 : 0 } else t.codec === "opus" && (r = ll(n).durationInSamples); return { durationInSamples: r, vorbisBlockSize: i } }, as = n => { let t = "audio/ogg"; if (n.codecStrings) { let e = [...new Set(n.codecStrings)]; t += `; codecs="${e.join(", ")}"` } return t }; var wr = 27, Xr = 282, ss = Xr + 255 * 255, Di = n => { let t = n.filePos; if (jr(n) !== Cn) return null; n.skip(1); let r = O(n), i = Ol(n), a = jr(n), s = jr(n), o = jr(n), c = O(n), u = new Uint8Array(c); for (let f = 0; f < c; f++)u[f] = O(n); let l = 27 + c, m = u.reduce((f, h) => f + h, 0), d = l + m; return { headerStartPos: t, totalSize: d, dataStartPos: t + l, dataSize: m, headerType: r, granulePosition: i, serialNumber: a, sequenceNumber: s, checksum: o, lacingValues: u } }, Bl = (n, t) => { for (; n.filePos < t - 3;) { let e = jr(n), r = e & 255, i = e >>> 8 & 255, a = e >>> 16 & 255, s = e >>> 24 & 255, o = 79; if (!(r !== o && i !== o && a !== o && s !== o)) { if (n.skip(-4), e === Cn) return !0; n.skip(1) } } return !1 }; var os = class extends be { constructor(e) { super(e); this.metadataPromise = null; this.bitstreams = []; this.trackBackings = []; this.metadataTags = {}; this.reader = e._reader } async readMetadata() { return this.metadataPromise ??= (async () => { let e = 0; for (; ;) { let r = this.reader.requestSliceRange(e, wr, Xr); if (r instanceof Promise && (r = await r), !r) break; let i = Di(r); if (!i || !!!(i.headerType & 2)) break; this.bitstreams.push({ serialNumber: i.serialNumber, bosPage: i, description: null, numberOfChannels: -1, sampleRate: -1, codecInfo: { codec: null, vorbisInfo: null, opusInfo: null }, lastMetadataPacket: null }), e = i.headerStartPos + i.totalSize } for (let r of this.bitstreams) { let i = await this.readPacket(r.bosPage, 0); i && (i.data.byteLength >= 7 && i.data[0] === 1 && i.data[1] === 118 && i.data[2] === 111 && i.data[3] === 114 && i.data[4] === 98 && i.data[5] === 105 && i.data[6] === 115 ? await this.readVorbisMetadata(i, r) : i.data.byteLength >= 8 && i.data[0] === 79 && i.data[1] === 112 && i.data[2] === 117 && i.data[3] === 115 && i.data[4] === 72 && i.data[5] === 101 && i.data[6] === 97 && i.data[7] === 100 && await this.readOpusMetadata(i, r), r.codecInfo.codec !== null && this.trackBackings.push(new sc(r, this))) } })() } async readVorbisMetadata(e, r) { let i = await this.findNextPacketStart(e); if (!i) return; let a = await this.readPacket(i.startPage, i.startSegmentIndex); if (!a || (i = await this.findNextPacketStart(a), !i)) return; let s = await this.readPacket(i.startPage, i.startSegmentIndex); if (!s || a.data[0] !== 3 || s.data[0] !== 5) return; let o = [], c = d => { for (; o.push(Math.min(255, d)), !(d < 255);)d -= 255 }; c(e.data.length), c(a.data.length); let u = new Uint8Array(1 + o.length + e.data.length + a.data.length + s.data.length); u[0] = 2, u.set(o, 1), u.set(e.data, 1 + o.length), u.set(a.data, 1 + o.length + e.data.length), u.set(s.data, 1 + o.length + e.data.length + a.data.length), r.codecInfo.codec = "vorbis", r.description = u, r.lastMetadataPacket = s; let l = U(e.data); r.numberOfChannels = l.getUint8(11), r.sampleRate = l.getUint32(12, !0); let m = l.getUint8(28); r.codecInfo.vorbisInfo = { blocksizes: [1 << (m & 15), 1 << (m >> 4)], modeBlockflags: Ba(s.data).modeBlockflags }, hn(a.data.subarray(7), this.metadataTags) } async readOpusMetadata(e, r) { let i = await this.findNextPacketStart(e); if (!i) return; let a = await this.readPacket(i.startPage, i.startSegmentIndex); if (!a) return; r.codecInfo.codec = "opus", r.description = e.data, r.lastMetadataPacket = a; let s = yr(e.data); r.numberOfChannels = s.outputChannelCount, r.sampleRate = ot, r.codecInfo.opusInfo = { preSkip: s.preSkip }, hn(a.data.subarray(8), this.metadataTags) } async readPacket(e, r) { p(r < e.lacingValues.length); let i = 0; for (let d = 0; d < r; d++)i += e.lacingValues[d]; let a = e, s = i, o = r, c = []; e: for (; ;) { let d = this.reader.requestSlice(a.dataStartPos, a.dataSize); d instanceof Promise && (d = await d), p(d); let f = B(d, a.dataSize); for (; ;) { if (o === a.lacingValues.length) { c.push(f.subarray(i, s)); break } let b = a.lacingValues[o]; if (s += b, b < 255) { c.push(f.subarray(i, s)); break e } o++ } let h = a.headerStartPos + a.totalSize; for (; ;) { let b = this.reader.requestSliceRange(h, wr, Xr); if (b instanceof Promise && (b = await b), !b) return null; let g = Di(b); if (!g) return null; if (a = g, a.serialNumber === e.serialNumber) break; h = a.headerStartPos + a.totalSize } i = 0, s = 0, o = 0 } let u = c.reduce((d, f) => d + f.length, 0); if (u === 0) return null; let l = new Uint8Array(u), m = 0; for (let d = 0; d < c.length; d++) { let f = c[d]; l.set(f, m), m += f.length } return { data: l, endPage: a, endSegmentIndex: o } } async findNextPacketStart(e) { if (e.endSegmentIndex < e.endPage.lacingValues.length - 1) return { startPage: e.endPage, startSegmentIndex: e.endSegmentIndex + 1 }; if (!!(e.endPage.headerType & 4)) return null; let i = e.endPage.headerStartPos + e.endPage.totalSize; for (; ;) { let a = this.reader.requestSliceRange(i, wr, Xr); if (a instanceof Promise && (a = await a), !a) return null; let s = Di(a); if (!s) return null; if (s.serialNumber === e.endPage.serialNumber) return { startPage: s, startSegmentIndex: 0 }; i = s.headerStartPos + s.totalSize } } async getMimeType() { await this.readMetadata(); let e = await Promise.all(this.trackBackings.map(r => r.getDecoderConfig().then(i => i?.codec ?? null))); return as({ codecStrings: e.filter(Boolean) }) } async getTrackBackings() { return await this.readMetadata(), this.trackBackings } async getMetadataTags() { return await this.readMetadata(), this.metadataTags } }, sc = class { constructor(t, e) { this.bitstream = t; this.demuxer = e; this.encodedPacketToMetadata = new WeakMap; this.sequentialScanCache = []; this.sequentialScanMutex = new ve; this.internalSampleRate = t.codecInfo.codec === "opus" ? ot : t.sampleRate } getType() { return "audio" } getId() { return this.bitstream.serialNumber } getNumber() { let t = this.demuxer.trackBackings.findIndex(e => e.bitstream === this.bitstream); return p(t !== -1), t + 1 } getNumberOfChannels() { return this.bitstream.numberOfChannels } getSampleRate() { return this.bitstream.sampleRate } getTimeResolution() { return this.bitstream.sampleRate } isRelativeToUnixEpoch() { return !1 } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { return null } async getLiveRefreshInterval() { return null } getCodec() { return this.bitstream.codecInfo.codec } getInternalCodecId() { return null } async getDecoderConfig() { return p(this.bitstream.codecInfo.codec), { codec: this.bitstream.codecInfo.codec, numberOfChannels: this.bitstream.numberOfChannels, sampleRate: this.bitstream.sampleRate, description: this.bitstream.description ?? void 0 } } getName() { return null } getLanguageCode() { return ee } getDisposition() { return { ...Se, primary: !1 } } granulePositionToTimestampInSamples(t) { return this.bitstream.codecInfo.codec === "opus" ? (p(this.bitstream.codecInfo.opusInfo), t - this.bitstream.codecInfo.opusInfo.preSkip) : t } createEncodedPacketFromOggPacket(t, e, r) { if (!t) return null; let { durationInSamples: i, vorbisBlockSize: a } = ns(t.data, this.bitstream.codecInfo, e.vorbisLastBlocksize), s = new Q(r.metadataOnly ? pe : t.data, "key", Math.max(0, e.timestampInSamples) / this.internalSampleRate, i / this.internalSampleRate, t.endPage.headerStartPos + t.endSegmentIndex, t.data.byteLength); return this.encodedPacketToMetadata.set(s, { packet: t, timestampInSamples: e.timestampInSamples, durationInSamples: i, vorbisLastBlockSize: e.vorbisLastBlocksize, vorbisBlockSize: a }), s } async getFirstPacket(t) { p(this.bitstream.lastMetadataPacket); let e = await this.demuxer.findNextPacketStart(this.bitstream.lastMetadataPacket); if (!e) return null; let r = 0; this.bitstream.codecInfo.codec === "opus" && (p(this.bitstream.codecInfo.opusInfo), r -= this.bitstream.codecInfo.opusInfo.preSkip); let i = await this.demuxer.readPacket(e.startPage, e.startSegmentIndex); return this.createEncodedPacketFromOggPacket(i, { timestampInSamples: r, vorbisLastBlocksize: null }, t) } async getNextPacket(t, e) { let r = this.encodedPacketToMetadata.get(t); if (!r) throw new Error("Packet was not created from this track."); let i = await this.demuxer.findNextPacketStart(r.packet); if (!i) return null; let a = r.timestampInSamples + r.durationInSamples, s = await this.demuxer.readPacket(i.startPage, i.startSegmentIndex); return this.createEncodedPacketFromOggPacket(s, { timestampInSamples: a, vorbisLastBlocksize: r.vorbisBlockSize }, e) } async getPacket(t, e) { if (this.demuxer.reader.fileSize === null) return this.getPacketSequential(t, e); let r = Lt(t * this.internalSampleRate); if (r === 0) return this.getFirstPacket(e); if (r < 0) return null; p(this.bitstream.lastMetadataPacket); let i = await this.demuxer.findNextPacketStart(this.bitstream.lastMetadataPacket); if (!i) return null; let a = i.startPage, s = this.demuxer.reader.fileSize, o = [a]; e: for (; a.headerStartPos + a.totalSize < s;) { let k = a.headerStartPos, T = Math.floor((k + s) / 2), w = T; for (; ;) { let S = Math.min(w + ss, s - wr), x = this.demuxer.reader.requestSlice(w, S - w); if (x instanceof Promise && (x = await x), p(x), !Bl(x, S)) { s = T + wr; continue e } let A = this.demuxer.reader.requestSliceRange(x.filePos, wr, Xr); A instanceof Promise && (A = await A), p(A); let C = Di(A); p(C); let I = !1; if (C.serialNumber === this.bitstream.serialNumber) I = !0; else { let v = this.demuxer.reader.requestSlice(C.headerStartPos, C.totalSize); v instanceof Promise && (v = await v), p(v); let E = B(v, C.totalSize); I = is(E) === C.checksum } if (!I) { w = C.headerStartPos + 4; continue } if (I && C.serialNumber !== this.bitstream.serialNumber) { w = C.headerStartPos + C.totalSize; continue } if (C.granulePosition === -1) { w = C.headerStartPos + C.totalSize; continue } this.granulePositionToTimestampInSamples(C.granulePosition) > r ? s = C.headerStartPos : (a = C, o.push(C)); continue e } } let c = i.startPage; for (let k of o) { if (k.granulePosition === a.granulePosition) break; (!c || k.headerStartPos > c.headerStartPos) && (c = k) } let u = c, l = [u]; for (; !(u.serialNumber === this.bitstream.serialNumber && u.granulePosition === a.granulePosition);) { let k = u.headerStartPos + u.totalSize, T = this.demuxer.reader.requestSliceRange(k, wr, Xr); T instanceof Promise && (T = await T), p(T); let w = Di(T); p(w), u = w, u.serialNumber === this.bitstream.serialNumber && l.push(u) } p(u.granulePosition !== -1); let m = null, d, f, h = u, b = 0; if (u.headerStartPos === i.startPage.headerStartPos) d = this.granulePositionToTimestampInSamples(0), f = !0, m = 0; else { d = 0, f = !1; for (let w = u.lacingValues.length - 1; w >= 0; w--)if (u.lacingValues[w] < 255) { m = w + 1; break } if (m === null) throw new Error("Invalid page with granule position: no packets end on this page."); b = m - 1; let k = { data: pe, endPage: h, endSegmentIndex: b }; if (await this.demuxer.findNextPacketStart(k)) { let w = Vl(l, u, m); p(w); let S = Dl(l, w.page, w.segmentIndex); S && (u = S.page, m = S.segmentIndex) } else for (; ;) { let w = Vl(l, u, m); if (!w) break; let S = Dl(l, w.page, w.segmentIndex); if (!S) break; if (u = S.page, m = S.segmentIndex, w.page.headerStartPos !== h.headerStartPos) { h = w.page, b = w.segmentIndex; break } } } let g = null, y = null; for (; u !== null;) { p(m !== null); let k = await this.demuxer.readPacket(u, m); if (!k) break; if (!(u.headerStartPos === i.startPage.headerStartPos && m < i.startSegmentIndex)) { let S = this.createEncodedPacketFromOggPacket(k, { timestampInSamples: d, vorbisLastBlocksize: y?.vorbisBlockSize ?? null }, e); p(S); let x = this.encodedPacketToMetadata.get(S); if (p(x), !f && k.endPage.headerStartPos === h.headerStartPos && k.endSegmentIndex === b ? (d = this.granulePositionToTimestampInSamples(u.granulePosition), f = !0, S = this.createEncodedPacketFromOggPacket(k, { timestampInSamples: d - x.durationInSamples, vorbisLastBlocksize: y?.vorbisBlockSize ?? null }, e), p(S), x = this.encodedPacketToMetadata.get(S), p(x)) : d += x.durationInSamples, g = S, y = x, f && (Math.max(d, 0) > r || Math.max(x.timestampInSamples, 0) === r)) break } let w = await this.demuxer.findNextPacketStart(k); if (!w) break; u = w.startPage, m = w.startSegmentIndex } return g } async getPacketSequential(t, e) { let r = await this.sequentialScanMutex.acquire(); try { let i = Lt(t * this.internalSampleRate); t = i / this.internalSampleRate; let a = q(this.sequentialScanCache, i, c => c.timestampInSamples), s; if (a !== -1) { let c = this.sequentialScanCache[a]; s = this.createEncodedPacketFromOggPacket(c.packet, { timestampInSamples: c.timestampInSamples, vorbisLastBlocksize: c.vorbisLastBlockSize }, e) } else s = await this.getFirstPacket(e); let o = 0; for (; s && s.timestamp < t;) { let c = await this.getNextPacket(s, e); if (!c || c.timestamp > t) break; if (s = c, o++, o === 100) { o = 0; let u = this.encodedPacketToMetadata.get(s); p(u), this.sequentialScanCache.length > 0 && p(X(this.sequentialScanCache).timestampInSamples <= u.timestampInSamples), this.sequentialScanCache.push(u) } } return s } finally { r() } } getKeyPacket(t, e) { return this.getPacket(t, e) } getNextKeyPacket(t, e) { return this.getNextPacket(t, e) } }, Dl = (n, t, e) => { let r = t, i = e; e: for (; ;) { for (i--, i; i >= 0; i--)if (r.lacingValues[i] < 255) { i++; break e } if (p(i === -1), !(r.headerType & 1)) { i = 0; break } let s = Wo(n, o => o.headerStartPos < r.headerStartPos); if (!s) return null; r = s, i = r.lacingValues.length } if (p(i !== -1), i === r.lacingValues.length) { let a = n[n.indexOf(r) + 1]; p(a), r = a, i = 0 } return { page: r, segmentIndex: i } }, Vl = (n, t, e) => { if (e > 0) return { page: t, segmentIndex: e - 1 }; let r = Wo(n, i => i.headerStartPos < t.headerStartPos); return r ? { page: r, segmentIndex: r.lacingValues.length - 1 } : null }; var cs = class extends be { constructor(e) { super(e); this.metadataPromise = null; this.dataStart = -1; this.dataSize = -1; this.audioInfo = null; this.trackBackings = []; this.lastKnownPacketIndex = 0; this.metadataTags = {}; this.reader = e._reader } async readMetadata() { return this.metadataPromise ??= (async () => { let e = this.reader.requestSlice(0, 12); e instanceof Promise && (e = await e), p(e); let r = ie(e, 4), i = r !== "RIFX", a = r === "RF64", s = tr(e, i), o = a ? this.reader.fileSize : Math.min(s + 8, this.reader.fileSize ?? 1 / 0); if (ie(e, 4) !== "WAVE") throw new Error("Invalid WAVE file - wrong format"); let u = 0, l = null, m = e.filePos; for (; o === null || m < o;) { let f = this.reader.requestSlice(m, 8); if (f instanceof Promise && (f = await f), !f) break; let h = ie(f, 4), b = tr(f, i), g = f.filePos; if (a && u === 0 && h !== "ds64") throw new Error('Invalid RF64 file: First chunk must be "ds64".'); if (h === "fmt ") await this.parseFmtChunk(g, b, i); else if (h === "data") { if (l ??= b, this.dataStart = f.filePos, this.dataSize = Math.min(l, (o ?? 1 / 0) - this.dataStart), this.reader.fileSize === null) break } else if (h === "ds64") { let y = this.reader.requestSlice(g, b); if (y instanceof Promise && (y = await y), !y) break; let k = cc(y, i); l = cc(y, i), o = Math.min(k + 8, this.reader.fileSize ?? 1 / 0) } else h === "LIST" ? await this.parseListChunk(g, b, i) : (h === "ID3 " || h === "id3 ") && await this.parseId3Chunk(g, b); m = g + b + (b & 1), u++ } if (!this.audioInfo) throw new Error('Invalid WAVE file - missing "fmt " chunk'); if (this.dataStart === -1) throw new Error('Invalid WAVE file - missing "data" chunk'); let d = this.audioInfo.blockSizeInBytes; this.dataSize = Math.floor(this.dataSize / d) * d, this.trackBackings.push(new oc(this)) })() } async parseFmtChunk(e, r, i) { let a = this.reader.requestSlice(e, r); if (a instanceof Promise && (a = await a), !a) return; let s = Ui(a, i), o = Ui(a, i), c = tr(a, i); a.skip(4); let u = Ui(a, i), l; if (r === 14 ? l = 8 : l = Ui(a, i), r >= 18 && s !== 357) { let m = Ui(a, i), d = r - 18; if (Math.min(d, m) >= 22 && s === 65534) { a.skip(6); let h = B(a, 16); s = h[0] | h[1] << 8 } } (s === 7 || s === 6) && (l = 8), this.audioInfo = { format: s, numberOfChannels: o, sampleRate: c, sampleSizeInBytes: Math.ceil(l / 8), blockSizeInBytes: u } } async parseListChunk(e, r, i) { let a = this.reader.requestSlice(e, r); if (a instanceof Promise && (a = await a), !a) return; let s = ie(a, 4); if (s !== "INFO" && s !== "INF0") return; let o = a.filePos; for (; o <= e + r - 8;) { a.filePos = o; let c = ie(a, 4), u = tr(a, i), l = B(a, u), m = 0; for (let f = 0; f < l.length && l[f] !== 0; f++)m++; let d = String.fromCharCode(...l.subarray(0, m)); switch (this.metadataTags.raw ??= {}, this.metadataTags.raw[c] = d, c) { case "INAM": case "TITL": this.metadataTags.title ??= d; break; case "TIT3": this.metadataTags.description ??= d; break; case "IART": this.metadataTags.artist ??= d; break; case "IPRD": this.metadataTags.album ??= d; break; case "IPRT": case "ITRK": case "TRCK": { let f = d.split("/"), h = Number.parseInt(f[0], 10), b = f[1] && Number.parseInt(f[1], 10); Number.isInteger(h) && h > 0 && (this.metadataTags.trackNumber ??= h), b && Number.isInteger(b) && b > 0 && (this.metadataTags.tracksTotal ??= b) } break; case "ICRD": case "IDIT": { let f = new Date(d); Number.isNaN(f.getTime()) || (this.metadataTags.date ??= f) } break; case "YEAR": { let f = Number.parseInt(d, 10); Number.isInteger(f) && f > 0 && (this.metadataTags.date ??= new Date(f, 0, 1)) } break; case "IGNR": case "GENR": this.metadataTags.genre ??= d; break; case "ICMT": case "CMNT": case "COMM": this.metadataTags.comment ??= d; break }o += 8 + u + (u & 1) } } async parseId3Chunk(e, r) { let i = this.reader.requestSlice(e, r); if (i instanceof Promise && (i = await i), !i) return; let a = gt(i); if (a) { let s = r - qe; if (a.size = Math.min(a.size, s), a.size > 0) { let o = i.slice(e + qe, a.size); Oi(o, a, this.metadataTags) } } } getCodec() { if (p(this.audioInfo), this.audioInfo.format === 7) return "ulaw"; if (this.audioInfo.format === 6) return "alaw"; if (this.audioInfo.format === 1) { if (this.audioInfo.sampleSizeInBytes === 1) return "pcm-u8"; if (this.audioInfo.sampleSizeInBytes === 2) return "pcm-s16"; if (this.audioInfo.sampleSizeInBytes === 3) return "pcm-s24"; if (this.audioInfo.sampleSizeInBytes === 4) return "pcm-s32" } return this.audioInfo.format === 3 && this.audioInfo.sampleSizeInBytes === 4 ? "pcm-f32" : null } async getMimeType() { return "audio/wav" } async getTrackBackings() { return await this.readMetadata(), this.trackBackings } async getMetadataTags() { return await this.readMetadata(), this.metadataTags } }, Vi = 2048, oc = class { constructor(t) { this.demuxer = t } getType() { return "audio" } getId() { return 1 } getNumber() { return 1 } getCodec() { return this.demuxer.getCodec() } getInternalCodecId() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.format } async getDecoderConfig() { let t = this.demuxer.getCodec(); return t ? (p(this.demuxer.audioInfo), { codec: t, numberOfChannels: this.demuxer.audioInfo.numberOfChannels, sampleRate: this.demuxer.audioInfo.sampleRate }) : null } getNumberOfChannels() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.numberOfChannels } getSampleRate() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.sampleRate } getTimeResolution() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.sampleRate } isRelativeToUnixEpoch() { return !1 } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { return p(this.demuxer.dataSize !== -1), this.demuxer.dataSize / this.demuxer.audioInfo.blockSizeInBytes / this.demuxer.audioInfo.sampleRate } async getLiveRefreshInterval() { return null } getName() { return null } getLanguageCode() { return ee } getDisposition() { return { ...Se } } async getPacketAtIndex(t, e) { p(t >= 0), p(this.demuxer.audioInfo); let r = t * Vi * this.demuxer.audioInfo.blockSizeInBytes; if (r >= this.demuxer.dataSize) return null; let i = Math.min(Vi * this.demuxer.audioInfo.blockSizeInBytes, this.demuxer.dataSize - r); if (this.demuxer.reader.fileSize === null) { let c = this.demuxer.reader.requestSlice(this.demuxer.dataStart + r, i); if (c instanceof Promise && (c = await c), !c) return null } let a; if (e.metadataOnly) a = pe; else { let c = this.demuxer.reader.requestSlice(this.demuxer.dataStart + r, i); c instanceof Promise && (c = await c), p(c), a = B(c, i) } let s = t * Vi / this.demuxer.audioInfo.sampleRate, o = i / this.demuxer.audioInfo.blockSizeInBytes / this.demuxer.audioInfo.sampleRate; return this.demuxer.lastKnownPacketIndex = Math.max(t, this.demuxer.lastKnownPacketIndex), new Q(a, "key", s, o, t, i) } getFirstPacket(t) { return this.getPacketAtIndex(0, t) } async getPacket(t, e) { p(this.demuxer.audioInfo); let r = Math.floor(Math.min(t * this.demuxer.audioInfo.sampleRate / Vi, (this.demuxer.dataSize - 1) / (Vi * this.demuxer.audioInfo.blockSizeInBytes))); if (r < 0) return null; let i = await this.getPacketAtIndex(r, e); if (i) return i; if (r === 0) return null; p(this.demuxer.reader.fileSize === null); let a = await this.getPacketAtIndex(this.demuxer.lastKnownPacketIndex, e); for (; a;) { let s = await this.getNextPacket(a, e); if (!s) break; a = s } return a } getNextPacket(t, e) { p(this.demuxer.audioInfo); let r = Math.round(t.timestamp * this.demuxer.audioInfo.sampleRate / Vi); return this.getPacketAtIndex(r + 1, e) } getKeyPacket(t, e) { return this.getPacket(t, e) } getNextKeyPacket(t, e) { return this.getNextPacket(t, e) } }; var rr = 7, Ke = 9, Ue = n => { let t = n.filePos, e = B(n, 9), r = new H(e); if (r.readBits(12) !== 4095 || (r.skipBits(1), r.readBits(2) !== 0)) return null; let s = r.readBits(1), o = r.readBits(2) + 1, c = r.readBits(4); if (c === 15) return null; r.skipBits(1); let u = r.readBits(3); if (u === 0) throw new Error("ADTS frames with channel configuration 0 are not supported."); r.skipBits(1), r.skipBits(1), r.skipBits(1), r.skipBits(1); let l = r.readBits(13); r.skipBits(11); let m = r.readBits(2) + 1; if (m !== 1) throw new Error("ADTS frames with more than one AAC frame are not supported."); let d = null; return s === 1 ? n.filePos -= 2 : d = r.readBits(16), { objectType: o, samplingFrequencyIndex: c, channelConfiguration: u, frameLength: l, numberOfAacFrames: m, crcCheck: d, startPos: t } }; var In = 1024, us = class extends be { constructor(e) { super(e); this.metadataPromise = null; this.firstFrameHeader = null; this.loadedSamples = []; this.metadataTags = null; this.trackBackings = []; this.readingMutex = new ve; this.lastSampleLoaded = !1; this.lastLoadedPos = 0; this.nextTimestampInSamples = 0; this.reader = e._reader } async readMetadata() { return this.metadataPromise ??= (async () => { for (; !this.firstFrameHeader && !this.lastSampleLoaded;)await this.advanceReader(); p(this.firstFrameHeader), this.trackBackings = [new uc(this)] })() } async advanceReader() { if (this.lastLoadedPos === 0) for (; ;) { let o = this.reader.requestSlice(this.lastLoadedPos, qe); if (o instanceof Promise && (o = await o), !o) { this.lastSampleLoaded = !0; return } let c = gt(o); if (!c) break; this.lastLoadedPos = o.filePos + c.size } let e = this.reader.requestSliceRange(this.lastLoadedPos, rr, Ke); if (e instanceof Promise && (e = await e), !e) { this.lastSampleLoaded = !0; return } let r = Ue(e); if (!r) { this.lastSampleLoaded = !0; return } if (this.reader.fileSize !== null && r.startPos + r.frameLength > this.reader.fileSize) { this.lastSampleLoaded = !0; return } this.firstFrameHeader || (this.firstFrameHeader = r); let i = Xe[r.samplingFrequencyIndex]; p(i !== void 0); let a = In / i, s = { timestamp: this.nextTimestampInSamples / i, duration: a, dataStart: r.startPos, dataSize: r.frameLength }; this.loadedSamples.push(s), this.nextTimestampInSamples += In, this.lastLoadedPos = r.startPos + r.frameLength } async getMimeType() { return "audio/aac" } async getTrackBackings() { return await this.readMetadata(), this.trackBackings } async getMetadataTags() { let e = await this.readingMutex.acquire(); try { if (await this.readMetadata(), this.metadataTags) return this.metadataTags; this.metadataTags = {}; let r = 0; for (; ;) { let i = this.reader.requestSlice(r, qe); if (i instanceof Promise && (i = await i), !i) break; let a = gt(i); if (!a) break; let s = this.reader.requestSlice(i.filePos, a.size); if (s instanceof Promise && (s = await s), !s) break; Oi(s, a, this.metadataTags), r = i.filePos + a.size } return this.metadataTags } finally { e() } } }, uc = class { constructor(t) { this.demuxer = t } getType() { return "audio" } getId() { return 1 } getNumber() { return 1 } getTimeResolution() { return this.getSampleRate() / In } isRelativeToUnixEpoch() { return !1 } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { return null } async getLiveRefreshInterval() { return null } getName() { return null } getLanguageCode() { return ee } getCodec() { return "aac" } getInternalCodecId() { return p(this.demuxer.firstFrameHeader), this.demuxer.firstFrameHeader.objectType } getNumberOfChannels() { p(this.demuxer.firstFrameHeader); let t = Ct[this.demuxer.firstFrameHeader.channelConfiguration]; return p(t !== void 0), t } getSampleRate() { p(this.demuxer.firstFrameHeader); let t = Xe[this.demuxer.firstFrameHeader.samplingFrequencyIndex]; return p(t !== void 0), t } getDisposition() { return { ...Se } } async getDecoderConfig() { return p(this.demuxer.firstFrameHeader), { codec: `mp4a.40.${this.demuxer.firstFrameHeader.objectType}`, numberOfChannels: this.getNumberOfChannels(), sampleRate: this.getSampleRate() } } async getPacketAtIndex(t, e) { if (t === -1) return null; let r = this.demuxer.loadedSamples[t]; if (!r) return null; let i; if (e.metadataOnly) i = pe; else { let a = this.demuxer.reader.requestSlice(r.dataStart, r.dataSize); if (a instanceof Promise && (a = await a), !a) return null; i = B(a, r.dataSize) } return new Q(i, "key", r.timestamp, r.duration, t, r.dataSize) } getFirstPacket(t) { return this.getPacketAtIndex(0, t) } async getNextPacket(t, e) { let r = await this.demuxer.readingMutex.acquire(); try { let i = Nt(this.demuxer.loadedSamples, t.timestamp, s => s.timestamp); if (i === -1) throw new Error("Packet was not created from this track."); let a = i + 1; for (; a >= this.demuxer.loadedSamples.length && !this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader(); return this.getPacketAtIndex(a, e) } finally { r() } } async getPacket(t, e) { let r = await this.demuxer.readingMutex.acquire(); try { for (; ;) { let i = q(this.demuxer.loadedSamples, t, a => a.timestamp); if (i === -1 && this.demuxer.loadedSamples.length > 0) return null; if (this.demuxer.lastSampleLoaded) return this.getPacketAtIndex(i, e); if (i >= 0 && i + 1 < this.demuxer.loadedSamples.length) return this.getPacketAtIndex(i, e); await this.demuxer.advanceReader() } } finally { r() } } getKeyPacket(t, e) { return this.getPacket(t, e) } getNextKeyPacket(t, e) { return this.getNextPacket(t, e) } }; var ls = n => n === 0 ? null : n === 1 ? 192 : n >= 2 && n <= 5 ? 144 * 2 ** n : n === 6 ? "uncommon-u8" : n === 7 ? "uncommon-u16" : n >= 8 && n <= 15 ? 2 ** n : null, Ul = (n, t) => { switch (n) { case 0: return t; case 1: return 88200; case 2: return 176400; case 3: return 192e3; case 4: return 8e3; case 5: return 16e3; case 6: return 22050; case 7: return 24e3; case 8: return 32e3; case 9: return 44100; case 10: return 48e3; case 11: return 96e3; case 12: return "uncommon-u8"; case 13: return "uncommon-u16"; case 14: return "uncommon-u16-10"; default: return null } }, ds = n => { let t = 0, e = new H(B(n, 1)); for (; e.readBits(1) === 1;)t++; if (t === 0) return e.readBits(7); let r = [], i = t - 1, a = new H(B(n, i)), s = 8 - t - 1; for (let c = 0; c < s; c++)r.unshift(e.readBits(1)); for (let c = 0; c < i; c++)for (let u = 0; u < 8; u++) { let l = a.readBits(1); u < 2 || r.unshift(l) } return r.reduce((c, u, l) => c | u << l, 0) }, ms = (n, t) => { if (t === "uncommon-u16") return ce(n) + 1; if (t === "uncommon-u8") return O(n) + 1; if (typeof t == "number") return t; ae(t), p(!1) }, zl = (n, t) => t === "uncommon-u16" ? ce(n) : t === "uncommon-u16-10" ? ce(n) * 10 : t === "uncommon-u8" ? O(n) : typeof t == "number" ? t : null, Nl = n => { let e = 0; for (let r of n) { e ^= r; for (let i = 0; i < 8; i++)(e & 128) !== 0 ? e = e << 1 ^ 7 : e <<= 1, e &= 255 } return e }; var fs = class extends be { constructor(e) { super(e); this.loadedSamples = []; this.metadataPromise = null; this.trackBacking = null; this.metadataTags = {}; this.audioInfo = null; this.lastLoadedPos = null; this.blockingBit = null; this.readingMutex = new ve; this.lastSampleLoaded = !1; this.reader = e._reader } async getMetadataTags() { return await this.readMetadata(), this.metadataTags } async getTrackBackings() { return await this.readMetadata(), p(this.trackBacking), [this.trackBacking] } async getMimeType() { return "audio/flac" } async readMetadata() { let e = 4; return this.metadataPromise ??= (async () => { for (; this.reader.fileSize === null || e < this.reader.fileSize;) { let r = this.reader.requestSlice(e, 4); if (r instanceof Promise && (r = await r), e += 4, r === null) throw new Error(`Metadata block at position ${e} is too small! Corrupted file.`); p(r); let i = O(r), a = mt(r), s = (i & 128) !== 0; switch (i & 127) { case 0: { let c = this.reader.requestSlice(e, a); if (c instanceof Promise && (c = await c), p(c), c === null) throw new Error(`StreamInfo block at position ${e} is too small! Corrupted file.`); let u = B(c, 34), l = new H(u), m = l.readBits(16), d = l.readBits(16), f = l.readBits(24), h = l.readBits(24), b = l.readBits(20), g = l.readBits(3) + 1; l.readBits(5); let y = l.readBits(36); l.skipBits(16 * 8); let k = new Uint8Array(42); k.set(new Uint8Array([102, 76, 97, 67]), 0), k.set(new Uint8Array([128, 0, 0, 34]), 4), k.set(u, 8), this.audioInfo = { numberOfChannels: g, sampleRate: b, totalSamples: y, minimumBlockSize: m, maximumBlockSize: d, minimumFrameSize: f, maximumFrameSize: h, description: k }, this.trackBacking = new lc(this); break } case 4: { let c = this.reader.requestSlice(e, a); c instanceof Promise && (c = await c), p(c), hn(B(c, a), this.metadataTags); break } case 6: { let c = this.reader.requestSlice(e, a); c instanceof Promise && (c = await c), p(c); let u = R(c), l = R(c), m = he.decode(B(c, l)), d = R(c), f = he.decode(B(c, d)); c.skip(16); let h = R(c), b = B(c, h); this.metadataTags.images ??= [], this.metadataTags.images.push({ data: b, mimeType: m, kind: u === 3 ? "coverFront" : u === 4 ? "coverBack" : "unknown", description: f }); break } default: break }if (e += a, s) { this.lastLoadedPos = e; break } } if (!this.audioInfo) throw new Error("Missing STREAMINFO metadata block! Corrupted FLAC file.") })() } async readNextFlacFrame({ startPos: e, isFirstPacket: r }) { p(this.audioInfo); let i = 6, a = 16, s = 10, o = this.audioInfo.maximumBlockSize * this.audioInfo.numberOfChannels * 4 + a + 2, c = this.audioInfo.minimumFrameSize || s, l = (this.audioInfo.maximumFrameSize || o) + a, m = await this.reader.requestSliceRange(e, a, l); if (!m) return null; let d = this.readFlacFrameHeader({ slice: m, isFirstPacket: r }); if (!d) return null; for (m.filePos = e + c; ;) { if (m.filePos > m.end - i) return { num: d.num, blockSize: d.blockSize, sampleRate: d.sampleRate, size: m.end - e, isLastFrame: !0 }; if (O(m) === 255) { let h = m.filePos, b = O(m), g = this.blockingBit === 1 ? 249 : 248; if (b !== g) { m.filePos = h; continue } m.skip(-2); let y = m.filePos - e, k = this.readFlacFrameHeader({ slice: m, isFirstPacket: !1 }); if (!k) { m.filePos = h; continue } if (this.blockingBit === 0) { if (k.num - d.num !== 1) { m.filePos = h; continue } } else if (k.num - d.num !== d.blockSize) { m.filePos = h; continue } return { num: d.num, blockSize: d.blockSize, sampleRate: d.sampleRate, size: y, isLastFrame: !1 } } } } readFlacFrameHeader({ slice: e, isFirstPacket: r }) { let i = e.filePos, a = B(e, 4), s = new H(a); if (s.readBits(15) !== 32764) return null; if (this.blockingBit === null) { p(r); let y = s.readBits(1); this.blockingBit = y } else if (this.blockingBit === 1) { if (p(!r), s.readBits(1) !== 1) return null } else if (this.blockingBit === 0) { if (p(!r), s.readBits(1) !== 0) return null } else throw new Error("Invalid blocking bit"); let c = ls(s.readBits(4)); if (!c) return null; p(this.audioInfo); let u = Ul(s.readBits(4), this.audioInfo.sampleRate); if (!u || (s.readBits(4), s.readBits(3), s.readBits(1) !== 0)) return null; let m = ds(e), d = ms(e, c), f = zl(e, u); if (f === null || f !== this.audioInfo.sampleRate) return null; let h = e.filePos - i, b = O(e); e.skip(-h), e.skip(-1); let g = Nl(B(e, h)); return b !== g ? null : { num: m, blockSize: d, sampleRate: f } } async advanceReader() { await this.readMetadata(), p(this.lastLoadedPos !== null), p(this.audioInfo); let e = this.lastLoadedPos, r = await this.readNextFlacFrame({ startPos: e, isFirstPacket: this.loadedSamples.length === 0 }); if (!r) { this.lastSampleLoaded = !0; return } let i = this.loadedSamples[this.loadedSamples.length - 1], s = { blockOffset: i ? i.blockOffset + i.blockSize : 0, blockSize: r.blockSize, byteOffset: e, byteSize: r.size }; if (this.lastLoadedPos = this.lastLoadedPos + r.size, this.loadedSamples.push(s), r.isLastFrame) { this.lastSampleLoaded = !0; return } } }, lc = class { constructor(t) { this.demuxer = t } getType() { return "audio" } getId() { return 1 } getNumber() { return 1 } getCodec() { return "flac" } getInternalCodecId() { return null } getNumberOfChannels() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.numberOfChannels } getSampleRate() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.sampleRate } getName() { return null } getLanguageCode() { return ee } getTimeResolution() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.sampleRate } isRelativeToUnixEpoch() { return !1 } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { return p(this.demuxer.audioInfo), this.demuxer.audioInfo.totalSamples === 0 ? null : this.demuxer.audioInfo.totalSamples / this.demuxer.audioInfo.sampleRate } async getLiveRefreshInterval() { return null } getDisposition() { return { ...Se } } async getDecoderConfig() { return p(this.demuxer.audioInfo), { codec: "flac", numberOfChannels: this.demuxer.audioInfo.numberOfChannels, sampleRate: this.demuxer.audioInfo.sampleRate, description: this.demuxer.audioInfo.description } } async getPacket(t, e) { if (p(this.demuxer.audioInfo), t < 0) throw new Error("Timestamp cannot be negative"); let r = await this.demuxer.readingMutex.acquire(); try { for (; ;) { let i = q(this.demuxer.loadedSamples, t, c => c.blockOffset / this.demuxer.audioInfo.sampleRate); if (i === -1) { await this.demuxer.advanceReader(); continue } let a = this.demuxer.loadedSamples[i], s = a.blockOffset / this.demuxer.audioInfo.sampleRate, o = a.blockSize / this.demuxer.audioInfo.sampleRate; if (s + o <= t) { if (this.demuxer.lastSampleLoaded) return this.getPacketAtIndex(this.demuxer.loadedSamples.length - 1, e); await this.demuxer.advanceReader(); continue } return this.getPacketAtIndex(i, e) } } finally { r() } } async getNextPacket(t, e) { let r = await this.demuxer.readingMutex.acquire(); try { let i = t.sequenceNumber + 1; if (this.demuxer.lastSampleLoaded && i >= this.demuxer.loadedSamples.length) return null; for (; i >= this.demuxer.loadedSamples.length && !this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader(); return this.getPacketAtIndex(i, e) } finally { r() } } getKeyPacket(t, e) { return this.getPacket(t, e) } getNextKeyPacket(t, e) { return this.getNextPacket(t, e) } async getPacketAtIndex(t, e) { let r = this.demuxer.loadedSamples[t]; if (!r) return null; let i; if (e.metadataOnly) i = pe; else { let o = this.demuxer.reader.requestSlice(r.byteOffset, r.byteSize); if (o instanceof Promise && (o = await o), !o) return null; i = B(o, r.byteSize) } p(this.demuxer.audioInfo); let a = r.blockOffset / this.demuxer.audioInfo.sampleRate, s = r.blockSize / this.demuxer.audioInfo.sampleRate; return new Q(i, "key", a, s, t, r.byteSize) } async getFirstPacket(t) { for (; this.demuxer.loadedSamples.length === 0 && !this.demuxer.lastSampleLoaded;)await this.demuxer.advanceReader(); return this.getPacketAtIndex(0, t) } }; var ps = n => { let t = "video/MP2T", e = [...new Set(n.filter(Boolean))]; return e.length > 0 && (t += `; codecs="${e.join(", ")}"`), t }; var Hl = "PES packet is missing PTS where it was expected. PES packets without PTS are not currently supported. If you think this file should be supported, please report it.", Ll = new Set, hs = class extends be { constructor(e) { super(e); this.metadataPromise = null; this.elementaryStreams = []; this.trackBackingEntries = []; this.packetOffset = 0; this.packetStride = -1; this.sectionEndPositions = []; this.seekChunkSize = 5 * 1024 * 1024; this.minReferencePointByteDistance = -1; this.reader = e._reader } async readMetadata() { return this.metadataPromise ??= (async () => { let e = 205, r = this.reader.requestSlice(0, e); r instanceof Promise && (r = await r), p(r); let i = B(r, e); if (i[0] === 71 && i[188] === 71) this.packetOffset = 0, this.packetStride = 188; else if (i[0] === 71 && i[204] === 71) this.packetOffset = 0, this.packetStride = 204; else if (i[4] === 71 && i[196] === 71) this.packetOffset = 4, this.packetStride = 192; else throw new Error("Unreachable."); let a = 256; this.minReferencePointByteDistance = a * this.packetStride; let s = this.packetOffset, o = null, c = !1, u = !1; for (; ;) { let l = await this.readPacketHeader(s); if (!l) break; if (l.payloadUnitStartIndicator === 0) { s += this.packetStride; continue } let m = await this.readSection(s, !0, !u); if (!m) break; let d = 3, f = 32, h = !1; if (!u && m.pid !== 0 && !(m.payload[0] === 0 && m.payload[1] === 0 && m.payload[2] === 1)) { let y = new H(m.payload), k = y.readAlignedByte(); y.skipBits(8 * k), h = y.readBits(8) === 2 } if (m.pid === 0 && !c) { let g = new H(m.payload), y = g.readAlignedByte(); g.skipBits(8 * y), g.skipBits(14); let k = g.readBits(10); for (g.skipBits(40); 8 * (k + d) - g.pos > f;) { let T = g.readBits(16); g.skipBits(3); let w = g.readBits(13); if (T !== 0) { if (o !== null) throw new Error("Only files with a single program are supported."); o = w } } if (o === null) throw new Error("Program Association Table must link to a Program Map Table."); c = !0 } else if ((m.pid === o || h) && !u) { let g = new H(m.payload), y = g.readAlignedByte(); g.skipBits(8 * y), g.skipBits(12); let k = g.readBits(12); g.skipBits(43); let T = g.readBits(13); g.skipBits(6); let w = g.readBits(10); for (g.skipBits(8 * w); 8 * (k + d) - g.pos > f;) { let S = g.readBits(8); g.skipBits(3); let x = g.readBits(13); g.skipBits(6); let P = g.readBits(10), A = g.pos + 8 * P, C = !1, I = !1; for (; g.pos < A;) { let v = g.readBits(8), E = g.readBits(8); v === 106 ? C = !0 : (v === 122 || v === 204) && (I = !0), g.skipBits(8 * E) } let F = null; switch (S) { case 27: case 36: F = { type: "video", codec: S === 27 ? "avc" : "hevc", decoderConfig: null, avcCodecInfo: null, hevcCodecInfo: null, colorSpace: { primaries: null, transfer: null, matrix: null, fullRange: null }, width: -1, height: -1, squarePixelWidth: -1, squarePixelHeight: -1, reorderSize: -1 }; break; case 3: case 4: case 15: case 129: case 135: { let v; if (S === 3 || S === 4) v = "mp3"; else if (S === 15) v = "aac"; else if (S === 129) v = "ac3"; else if (S === 135) v = "eac3"; else throw new Error("Unreachable."); F = { type: "audio", codec: v, decoderConfig: null, aacCodecInfo: null, numberOfChannels: -1, sampleRate: -1 } } break; case 6: I ? F = { type: "audio", codec: "eac3", decoderConfig: null, aacCodecInfo: null, numberOfChannels: -1, sampleRate: -1 } : C && (F = { type: "audio", codec: "ac3", decoderConfig: null, aacCodecInfo: null, numberOfChannels: -1, sampleRate: -1 }); break; default: Ll.has(S) || (console.warn(`Note: MPEG-TS streams with stream_type 0x${S.toString(16)} are not currently supported.`), Ll.add(S)) }F && this.elementaryStreams.push({ demuxer: this, pid: x, streamType: S, initialized: !1, firstSection: null, canBeTrustedWithKeyPackets: !1, info: F, referencePesPackets: [] }) } u = !0 } else { let g = this.elementaryStreams.find(y => y.pid === m.pid); e: if (g && !g.initialized) { let y = zi(m, !0); if (!y) throw new Error(`Couldn't read first PES packet for Elementary Stream with PID ${g.pid}`); if (g.firstSection = m, g.canBeTrustedWithKeyPackets = m.randomAccessIndicator === 1, this.input._initInput) { let w = (await this.input._initInput._getDemuxer()).elementaryStreams.find(S => S.pid === m.pid && S.info.codec === g.info.codec); if (w) { g.info = w.info, g.initialized = !0; break e } } let k = new Yr(g, y); if (g.info.type === "video") { for (; ;) { let T = k; if (T.suppliedPacket = null, await k.markNextPacket(), g.info.codec === "avc") { if (!k.suppliedPacket) throw new Error("Invalid AVC video stream; could not extract AVCDecoderConfigurationRecord from any packet."); if (g.info.avcCodecInfo = Ai(k.suppliedPacket.data), !g.info.avcCodecInfo) continue; let w = g.info.avcCodecInfo.sequenceParameterSets[0]; p(w); let S = pn(w); g.info.width = S.displayWidth, g.info.height = S.displayHeight; let x = S.pixelAspectRatio.num, P = S.pixelAspectRatio.den; x > 0 && P > 0 && (x > P ? (g.info.squarePixelWidth = Math.round(g.info.width * x / P), g.info.squarePixelHeight = g.info.height) : (g.info.squarePixelWidth = g.info.width, g.info.squarePixelHeight = Math.round(g.info.height * P / x))), g.info.colorSpace = { primaries: Ur[S.colourPrimaries], transfer: zr[S.transferCharacteristics], matrix: Nr[S.matrixCoefficients], fullRange: !!S.fullRangeFlag }, g.info.reorderSize = S.maxDecFrameBuffering; break } else if (g.info.codec === "hevc") { if (!k.suppliedPacket) throw new Error("Invalid HEVC video stream; could not extract HVCDecoderConfigurationRecord from first packet."); if (g.info.hevcCodecInfo = xi(k.suppliedPacket.data), !g.info.hevcCodecInfo) continue; let S = g.info.hevcCodecInfo.arrays.find(P => P.nalUnitType === 33).nalUnits[0]; p(S); let x = jo(S); g.info.width = x.displayWidth, g.info.height = x.displayHeight, x.pixelAspectRatio.num > x.pixelAspectRatio.den ? (g.info.squarePixelWidth = Math.round(g.info.width * x.pixelAspectRatio.num / x.pixelAspectRatio.den), g.info.squarePixelHeight = g.info.height) : (g.info.squarePixelWidth = g.info.width, g.info.squarePixelHeight = Math.round(g.info.height * x.pixelAspectRatio.den / x.pixelAspectRatio.num)), g.info.colorSpace = { primaries: Ur[x.colourPrimaries], transfer: zr[x.transferCharacteristics], matrix: Nr[x.matrixCoefficients], fullRange: !!x.fullRangeFlag }, g.info.reorderSize = x.maxDecFrameBuffering; break } else throw new Error("Unhandled.") } g.info.decoderConfig = { codec: Ti({ width: g.info.width, height: g.info.height, codec: g.info.codec, codecDescription: null, colorSpace: g.info.colorSpace, avcType: 1, avcCodecInfo: g.info.avcCodecInfo, hevcCodecInfo: g.info.hevcCodecInfo, vp9CodecInfo: null, av1CodecInfo: null }), codedWidth: g.info.width, codedHeight: g.info.height, colorSpace: g.info.colorSpace }, (g.info.width !== g.info.squarePixelWidth || g.info.height !== g.info.squarePixelHeight) && (g.info.decoderConfig.displayAspectWidth = g.info.squarePixelWidth, g.info.decoderConfig.displayAspectHeight = g.info.squarePixelHeight), g.initialized = !0 } else { if (await k.markNextPacket(), !k.suppliedPacket) throw new Error(`Couldn't parse first media packet for Elementary Stream with PID ${g.pid}`); if (g.info.codec === "aac") { let T = ye.tempFromBytes(k.suppliedPacket.data), w = Ue(T); if (!w) throw new Error("Invalid AAC audio stream; could not read ADTS frame header from first packet."); g.info.aacCodecInfo = { isMpeg2: !1, objectType: w.objectType }, g.info.numberOfChannels = Ct[w.channelConfiguration], g.info.sampleRate = Xe[w.samplingFrequencyIndex] } else if (g.info.codec === "mp3") { let T = R(ye.tempFromBytes(k.suppliedPacket.data)), w = Gr(T, k.suppliedPacket.data.byteLength); if (!w.header) throw new Error("Invalid MP3 audio stream; could not read frame header from first packet."); g.info.numberOfChannels = w.header.channel === 3 ? 1 : 2, g.info.sampleRate = w.header.sampleRate } else if (g.info.codec === "ac3") { let T = Oa(k.suppliedPacket.data); if (!T) throw new Error("Invalid AC-3 audio stream; could not read sync frame from first packet."); if (T.fscod === 3) throw new Error("Invalid AC-3 audio stream; reserved sample rate code found in first packet."); g.info.numberOfChannels = bn[T.acmod] + T.lfeon, g.info.sampleRate = Qr[T.fscod] } else if (g.info.codec === "eac3") { let T = Da(k.suppliedPacket.data); if (!T) throw new Error("Invalid E-AC-3 audio stream; could not read sync frame from first packet."); let w = Va(T); if (w === null) throw new Error("Invalid E-AC-3 audio stream; reserved sample rate code found in first packet."); g.info.numberOfChannels = Ua(T), g.info.sampleRate = w } else throw new Error("Unhandled."); g.info.decoderConfig = { codec: wi({ codec: g.info.codec, codecDescription: null, aacCodecInfo: g.info.aacCodecInfo }), numberOfChannels: g.info.numberOfChannels, sampleRate: g.info.sampleRate }, g.initialized = !0 } } } if (u && this.elementaryStreams.every(g => g.initialized)) break; s += this.packetStride } if (!u) throw c ? new Error("No Program Map Table found in the file.") : new Error("No Program Association Table found in the file."); for (let l of this.elementaryStreams) l.info.type === "video" ? this.trackBackingEntries.push(new dc(l)) : this.trackBackingEntries.push(new mc(l)) })() } async getTrackBackings() { return await this.readMetadata(), this.trackBackingEntries } async getMetadataTags() { return {} } async getMimeType() { await this.readMetadata(); let e = await Promise.all(this.trackBackingEntries.map(r => r.getDecoderConfig().then(i => i?.codec ?? null))); return ps(e) } async readSection(e, r, i = !1) { let a = e, s = e, o = [], c = 0, u = null, l = !0, m = 0; for (; ;) { let f = await this.readPacket(s); if (s += this.packetStride, !f) break; if (u) { if (f.pid !== u.pid) { if (i) break; continue } if (f.payloadUnitStartIndicator === 1) break } else { if (f.payloadUnitStartIndicator === 0) break; u = f } let h = !!(f.adaptationFieldControl & 2), b = !!(f.adaptationFieldControl & 1), g = 0; if (h && (g = 1 + f.body[0], f === u && g > 1 && (m = f.body[1] >> 6 & 1)), b && (g === 0 ? (o.push(f.body), c += f.body.byteLength) : (o.push(f.body.subarray(g)), c += f.body.byteLength - g)), a = s, !r && c >= 64) { l = !1; break } if (Nt(this.sectionEndPositions, a, k => k) !== -1) { l = !1; break } } if (l) { let f = q(this.sectionEndPositions, a, h => h); this.sectionEndPositions.splice(f + 1, 0, a) } if (!u) return null; let d; if (o.length === 1) d = o[0]; else { let f = o.reduce((b, g) => b + g.length, 0); d = new Uint8Array(f); let h = 0; for (let b of o) d.set(b, h), h += b.length } return { startPos: e, endPos: r ? a : null, pid: u.pid, payload: d, randomAccessIndicator: m } } async readPacketHeader(e) { let r = this.reader.requestSlice(e, 4); if (r instanceof Promise && (r = await r), !r) return null; if (O(r) !== 71) throw new Error("Invalid TS packet sync byte. Likely an internal bug, please report this file."); let a = ce(r), s = a >> 15, o = a >> 14 & 1, c = a >> 13 & 1, u = a & 8191, l = O(r), m = l >> 6, d = l >> 4 & 3, f = l & 15; return { payloadUnitStartIndicator: o, pid: u, adaptationFieldControl: d } } async readPacket(e) { let r = this.reader.requestSlice(e, 188); if (r instanceof Promise && (r = await r), !r) return null; let i = B(r, 188); if (i[0] !== 71) throw new Error("Invalid TS packet sync byte. Likely an internal bug, please report this file."); let s = (i[1] << 8) + i[2], o = s >> 15, c = s >> 14 & 1, u = s >> 13 & 1, l = s & 8191, m = i[3], d = m >> 6, f = m >> 4 & 3, h = m & 15; return { payloadUnitStartIndicator: c, pid: l, adaptationFieldControl: f, body: i.subarray(4) } } }, $r = (n, t) => { if (n.payload.byteLength < 3) return null; let e = new H(n.payload); if (e.readBits(24) !== 1) return null; let i = e.readBits(8); if (e.skipBits(16), i === 188 || i === 190 || i === 191 || i === 240 || i === 241 || i === 255 || i === 242 || i === 248) return null; e.skipBits(8); let a = e.readBits(2); e.skipBits(14); let s = null; if (a === 2 || a === 3) s = 0, e.skipBits(4), s += e.readBits(3) * (1 << 30), e.skipBits(1), s += e.readBits(15) * 32768, e.skipBits(1), s += e.readBits(15); else if (t) throw new Error(Hl); return { sectionStartPos: n.startPos, sectionEndPos: n.endPos, pts: s, randomAccessIndicator: n.randomAccessIndicator } }, zi = (n, t) => { p(n.endPos !== null); let e = $r(n, t); if (!e) return null; let r = new H(n.payload); r.skipBits(32); let i = r.readBits(16), a = 6; r.skipBits(16); let s = r.readBits(8), o = r.pos + 8 * s; r.pos = o; let c = o / 8; p(Number.isInteger(c)); let u = n.payload.subarray(c, i > 0 ? a + i : n.payload.byteLength); return { ...e, data: u } }, gs = class n { constructor(t) { this.elementaryStream = t; this.packetBuffers = new WeakMap; this.packetSectionStarts = new WeakMap } getId() { return this.elementaryStream.pid } getNumber() { let t = this.elementaryStream.demuxer, e = this.elementaryStream.info.type, r = 0; for (let i of t.trackBackingEntries) if (i.getType() === e && r++, p(i instanceof n), i.elementaryStream === this.elementaryStream) break; return r } getCodec() { throw new Error("Not implemented on base class.") } getInternalCodecId() { return this.elementaryStream.streamType } getName() { return null } getLanguageCode() { return ee } getDisposition() { return { ...Se, primary: !1 } } getTimeResolution() { return 9e4 } isRelativeToUnixEpoch() { return !1 } getPairingMask() { return 1n } getBitrate() { return null } getAverageBitrate() { return null } async getDurationFromMetadata() { return null } async getLiveRefreshInterval() { return null } createEncodedPacket(t, e, r) { let i; return this.allPacketsAreKeyPackets() ? i = "key" : i = t.randomAccessIndicator === 1 ? "key" : "delta", new Q(r.metadataOnly ? pe : t.data, i, t.pts / 9e4, Math.max(e / 9e4, 0), t.sequenceNumber, t.data.byteLength) } async getFirstPacket(t) { let e = this.elementaryStream.firstSection; p(e); let r = zi(e, !0); p(r); let i = new Yr(this.elementaryStream, r), a = new En(this, i), s = await a.readNext(); if (!s) return null; let o = this.createEncodedPacket(s.packet, s.duration, t); return this.packetBuffers.set(o, a), this.packetSectionStarts.set(o, s.packet.sectionStartPos), o } async getNextPacket(t, e) { let r = this.packetBuffers.get(t); if (r) { let l = await r.readNext(); if (!l) return null; this.packetBuffers.delete(t); let m = this.createEncodedPacket(l.packet, l.duration, e); return this.packetBuffers.set(m, r), this.packetSectionStarts.set(m, l.packet.sectionStartPos), m } let i = this.packetSectionStarts.get(t); if (i === void 0) throw new Error("Packet was not created from this track."); let s = await this.elementaryStream.demuxer.readSection(i, !0); p(s); let o = zi(s, !0); p(o); let c = new Yr(this.elementaryStream, o); r = new En(this, c); let u = t.sequenceNumber; for (; ;) { let l = await r.readNext(); if (!l) return null; if (l.packet.sequenceNumber > u) { let m = this.createEncodedPacket(l.packet, l.duration, e); return this.packetBuffers.set(m, r), this.packetSectionStarts.set(m, l.packet.sectionStartPos), m } } } async getNextKeyPacket(t, e) { let r = t; for (; ;) { if (r = await this.getNextPacket(r, e), !r) return null; if (r.type === "key") return r } } getPacket(t, e) { return this.doPacketLookup(t, !1, e) } getKeyPacket(t, e) { return this.doPacketLookup(t, !0, e) } async doPacketLookup(t, e, r) { let i = Lt(t * 9e4), a = this.elementaryStream.demuxer, { reader: s, seekChunkSize: o } = a, c = this.elementaryStream.pid, u = async (w, S, x) => { let P = w; for (; P < S;) { let A = await a.readPacketHeader(P); if (!A) return null; if (A.pid === c && A.payloadUnitStartIndicator === 1) { let C = await a.readSection(P, x); if (!C) return null; let I = $r(C, !1); if (I && I.pts !== null) return { pesPacketHeader: I, section: C } } P += a.packetStride } return null }, l = this.elementaryStream.firstSection; p(l); let m = $r(l, !0); if (p(m), i < m.pts) return null; let d, f = this.elementaryStream.referencePesPackets, h = q(f, i, w => w.pts), b = h !== -1 ? f[h] : null; if (b && i - b.pts < 9e4 / 2) d = b.sectionStartPos; else { let w = 0; if (s.fileSize !== null) { let S = Math.ceil(s.fileSize / o); if (S > 1) { let x = 0, P = S - 1; for (w = x; x <= P;) { let A = Math.floor((x + P) / 2), C = pa(A * o, a.packetStride) + m.sectionStartPos, I = C + o, F = await u(C, I, !1); if (!F) { P = A - 1; continue } F.pesPacketHeader.pts <= i ? (w = A, x = A + 1) : P = A - 1 } } } d = pa(w * o, a.packetStride) + m.sectionStartPos } let y = (await u(d, s.fileSize ?? 1 / 0, !1))?.pesPacketHeader ?? null; y || (y = m); let k = this.getReorderSize(), T = async (w, S) => { let x = await a.readSection(w, !0); p(x); let P = zi(x, !0); p(P); let A = new Yr(this.elementaryStream, P), C = new En(this, A); for (; !((X(C.presentationOrderPackets)?.pts ?? -1 / 0) >= i || !await C.readNextPacket());); let I = lr(C.presentationOrderPackets, S); if (I === -1) return null; let F = C.presentationOrderPackets[I], v = I === 0 ? 0 : F.pts - C.presentationOrderPackets[I - 1].pts; for (; C.decodeOrderPackets[0] !== F;)C.decodeOrderPackets.shift(); C.lastDuration = v; let E = await C.readNext(); p(E); let D = this.createEncodedPacket(E.packet, E.duration, r); return this.packetBuffers.set(D, C), this.packetSectionStarts.set(D, E.packet.sectionStartPos), D }; if (!e || this.allPacketsAreKeyPackets()) { e: for (; ;) { let w = y.sectionStartPos + a.packetStride; for (; ;) { let S = await a.readPacketHeader(w); if (!S) break e; if (S.pid === c && S.payloadUnitStartIndicator === 1) { let x = await a.readSection(w, !1); if (x) { let P = $r(x, !1); if (P && P.pts !== null) { if (P.pts > i) break e; y = P, fc(this.elementaryStream, y); break } } } w += a.packetStride } } e: for (let w = 0; w < k + 1; w++) { let S = y.sectionStartPos - a.packetStride; for (; S >= a.packetOffset;) { let x = await a.readPacketHeader(S); if (!x) break e; if (x.pid === c && x.payloadUnitStartIndicator === 1) { let P = await a.readSection(S, !1); if (P) { let A = $r(P, !1); if (A && A.pts !== null) { y = A; break } } } S -= a.packetStride } } return T(y.sectionStartPos, w => w.pts <= i) } else { let w = d, S = null, x = !this.elementaryStream.canBeTrustedWithKeyPackets; for (; ;) { let P = null, A = w <= m.sectionStartPos, C, I = null; if (A) C = m, I = l; else { let E = await u(w, s.fileSize ?? 1 / 0, x); C = E?.pesPacketHeader ?? null, I = E?.section ?? null } let F = !1, v = 0; e: for (; C && !(S !== null && C.sectionStartPos >= S);) { if (C.pts <= i) { let D; if (this.elementaryStream.canBeTrustedWithKeyPackets) D = C.randomAccessIndicator === 1; else { p(I); let z = zi(I, !0); p(z); let V = new Yr(this.elementaryStream, z); await V.markNextPacket(), D = V.suppliedPacket?.randomAccessIndicator === 1 } D && (P = C) } if (C.pts > i && (F = !0), F && (v++, v > k)) break; let E = C.sectionStartPos + a.packetStride; for (; ;) { let D = await a.readPacketHeader(E); if (!D) break e; if (D.pid === c && D.payloadUnitStartIndicator === 1) { let z = await a.readSection(E, x); if (z) { let V = $r(z, !1); if (V && V.pts !== null) { C = V, I = z, fc(this.elementaryStream, C); break } } } E += a.packetStride } } if (P) { let E = P; if (v === 0) e: for (let z = 0; z < k; z++) { let V = E.sectionStartPos - a.packetStride; for (; V >= a.packetOffset;) { let L = await a.readPacketHeader(V); if (!L) break e; if (L.pid === c && L.payloadUnitStartIndicator === 1) { let Z = await a.readSection(V, x); if (Z) { let oe = $r(Z, !1); if (oe && oe.pts !== null) { E = oe; break } } } V -= a.packetStride } } let D = await T(E.sectionStartPos, z => z.pts <= i && z.randomAccessIndicator === 1); return p(D), D } if (A) return null; S = w, w = Math.max(pa(w - m.sectionStartPos - o, a.packetStride) + m.sectionStartPos, m.sectionStartPos) } } } }, dc = class extends gs { getType() { return "video" } getCodec() { return this.elementaryStream.info.codec } getCodedWidth() { return this.elementaryStream.info.width } getCodedHeight() { return this.elementaryStream.info.height } getSquarePixelWidth() { return this.elementaryStream.info.squarePixelWidth } getSquarePixelHeight() { return this.elementaryStream.info.squarePixelHeight } getRotation() { return 0 } async getColorSpace() { return this.elementaryStream.info.colorSpace } async canBeTransparent() { return !1 } async getDecoderConfig() { return p(this.elementaryStream.info.decoderConfig), this.elementaryStream.info.decoderConfig } allPacketsAreKeyPackets() { return !1 } getReorderSize() { return this.elementaryStream.info.reorderSize } }, mc = class extends gs { getType() { return "audio" } getCodec() { return this.elementaryStream.info.codec } getNumberOfChannels() { return this.elementaryStream.info.numberOfChannels } getSampleRate() { return this.elementaryStream.info.sampleRate } async getDecoderConfig() { return p(this.elementaryStream.info.decoderConfig), this.elementaryStream.info.decoderConfig } allPacketsAreKeyPackets() { return !0 } getReorderSize() { return 0 } }, fc = (n, t) => { let e = n.referencePesPackets, r = q(e, t.sectionStartPos, i => i.sectionStartPos); if (r >= 0) { let i = e[r]; if (t.pts <= i.pts) return !1; let a = n.demuxer.minReferencePointByteDistance; if (t.sectionStartPos - i.sectionStartPos < a) return !1; if (r < e.length - 1) { let s = e[r + 1]; if (s.pts < t.pts || s.sectionStartPos - t.sectionStartPos < a) return !1 } } return e.splice(r + 1, 0, t), !0 }, Yr = class { constructor(t, e) { this.currentPos = 0; this.pesPackets = []; this.currentPesPacketIndex = 0; this.currentPesPacketPos = 0; this.endPos = 0; this.lastSuppliedPesPacket = null; this.nextPts = null; this.suppliedPacket = null; this.elementaryStream = t, this.pid = t.pid, this.demuxer = t.demuxer, this.startingPesPacket = e } ensureBuffered(t) { let e = this.endPos - this.currentPos; return e >= t ? t : this.bufferData(t - e).then(() => Math.min(this.endPos - this.currentPos, t)) } getCurrentPesPacket() { let t = this.pesPackets[this.currentPesPacketIndex]; return p(t), t } async bufferData(t) { let e = this.endPos + t; for (; this.endPos < e;) { let r; if (this.pesPackets.length === 0) r = this.startingPesPacket; else { let i = X(this.pesPackets).sectionEndPos; for (p(i !== null); ;) { let a = await this.demuxer.readPacketHeader(i); if (!a) return; if (a.pid === this.pid) { let s = await this.demuxer.readSection(i, !0); if (!s) return; let o = zi(s, !1); if (o) { r = o; break } } i += this.demuxer.packetStride } } this.pesPackets.push(r), this.endPos += r.data.byteLength } } readBytes(t) { let e = this.getCurrentPesPacket(), r = this.currentPos - this.currentPesPacketPos, i = r + t; if (this.currentPos += t, i <= e.data.byteLength) return e.data.subarray(r, i); let a = new Uint8Array(t); a.set(e.data.subarray(r)); let s = e.data.byteLength - r; for (; ;) { this.advanceCurrentPacket(); let o = this.getCurrentPesPacket(), c = t - s; if (c <= o.data.byteLength) { a.set(o.data.subarray(0, c), s); break } a.set(o.data, s), s += o.data.byteLength } return a } readU8() { let t = this.getCurrentPesPacket(), e = this.currentPos - this.currentPesPacketPos; return this.currentPos++, e < t.data.byteLength ? t.data[e] : (this.advanceCurrentPacket(), t = this.getCurrentPesPacket(), t.data[0]) } seekTo(t) { if (t !== this.currentPos) { if (t < this.currentPos) for (; t < this.currentPesPacketPos;) { this.currentPesPacketIndex--; let e = this.getCurrentPesPacket(); this.currentPesPacketPos -= e.data.byteLength } else for (; ;) { let e = this.getCurrentPesPacket(), r = this.currentPesPacketPos + e.data.byteLength; if (t < r) break; this.currentPesPacketPos += e.data.byteLength, this.currentPesPacketIndex++ } this.currentPos = t } } skip(t) { this.seekTo(this.currentPos + t) } advanceCurrentPacket() { this.currentPesPacketPos += this.getCurrentPesPacket().data.byteLength, this.currentPesPacketIndex++ } async markNextPacket() { p(!this.suppliedPacket); let t = this.elementaryStream; if (t.info.type === "video") { let e = t.info.codec, r = 1024; if (e !== "avc" && e !== "hevc") throw new Error("Unhandled."); let i = null; for (; ;) { let a = this.ensureBuffered(r); if (a instanceof Promise && (a = await a), a === 0) break; let s = this.currentPos, o = this.readBytes(a), c = o.byteLength, u = 0; for (; u < c;) { let l = o.indexOf(0, u); if (l === -1 || l >= c) break; u = l; let m = s + u; if (u + 4 >= c) { this.seekTo(m); break } let d = o[u + 1], f = o[u + 2], h = o[u + 3], b = 0, g = null; if (d === 0 && f === 0 && h === 1 ? (b = 4, g = o[u + 4]) : d === 0 && f === 1 && (b = 3, g = h), b === 0) { u++; continue } let y = m; if (i === null) { i = y, u += b; continue } if (g !== null) { let k = e === "avc" ? jt(g) : ct(g); if (e === "avc" ? k === 9 : k === 35) { let w = y - i; return this.seekTo(i), this.supplyPacket(w, 0) } } u += b } if (a < r) break } if (i !== null) { let a = this.endPos - i; return this.seekTo(i), this.supplyPacket(a, 0) } } else { let e = t.info.codec, r = 128; for (; ;) { let i = this.ensureBuffered(r); i instanceof Promise && (i = await i); let a = this.currentPos; for (; this.currentPos - a < i;) { let s = this.readU8(); if (e === "aac") { if (s !== 255) continue; this.skip(-1); let o = this.currentPos, c = this.ensureBuffered(Ke); if (c instanceof Promise && (c = await c), c < Ke) return; let u = this.readBytes(Ke), l = Ue(ye.tempFromBytes(u)); if (l) { this.seekTo(o); let m = this.ensureBuffered(l.frameLength); return m instanceof Promise && (m = await m), this.supplyPacket(m, Math.round(In * 9e4 / t.info.sampleRate)) } else this.seekTo(o + 1) } else if (e === "mp3") { if (s !== 255) continue; this.skip(-1); let o = this.currentPos, c = this.ensureBuffered(4); if (c instanceof Promise && (c = await c), c < 4) return; let u = this.readBytes(4), l = U(u).getUint32(0), m = Gr(l, null); if (m.header) { this.seekTo(o); let d = this.ensureBuffered(m.header.totalSize); d instanceof Promise && (d = await d); let f = m.header.audioSamplesInFrame * 9e4 / t.info.sampleRate; return this.supplyPacket(d, Math.round(f)) } else this.seekTo(o + 1) } else if (e === "ac3") { if (s !== 11) continue; this.skip(-1); let o = this.currentPos, c = this.ensureBuffered(5); if (c instanceof Promise && (c = await c), c < 5) return; let u = this.readBytes(5); if (u[0] !== 11 || u[1] !== 119) { this.seekTo(o + 1); continue } let l = u[4] >> 6, m = u[4] & 63; if (l === 3 || m > 37) { this.seekTo(o + 1); continue } let d = dl[3 * m + l]; p(d !== void 0), this.seekTo(o), c = this.ensureBuffered(d), c instanceof Promise && (c = await c); let f = Math.round(ml * 9e4 / t.info.sampleRate); return this.supplyPacket(c, f) } else if (e === "eac3") { if (s !== 11) continue; this.skip(-1); let o = this.currentPos, c = this.ensureBuffered(5); if (c instanceof Promise && (c = await c), c < 5) return; let u = this.readBytes(5); if (u[0] !== 11 || u[1] !== 119) { this.seekTo(o + 1); continue } let m = (((u[2] & 7) << 8 | u[3]) + 1) * 2, f = u[4] >> 6 === 3 ? 3 : u[4] >> 4 & 3, h = Xo[f]; this.seekTo(o), c = this.ensureBuffered(m), c instanceof Promise && (c = await c); let b = h * 256, g = Math.round(b * 9e4 / t.info.sampleRate); return this.supplyPacket(c, g) } else throw new Error("Unhandled.") } if (i < r) break } } } supplyPacket(t, e) { let r = this.getCurrentPesPacket(), i; if (this.lastSuppliedPesPacket === r) p(this.nextPts !== null), i = this.nextPts; else { if (r.pts === null) throw new Error(Hl); i = r.pts, fc(this.elementaryStream, r) } this.lastSuppliedPesPacket = r, this.nextPts = i + e; let a = r.sectionStartPos, s = a + (this.currentPos - this.currentPesPacketPos), o = this.readBytes(t), c = r.randomAccessIndicator; if (c === 0 && !this.elementaryStream.canBeTrustedWithKeyPackets) { if (this.elementaryStream.info.type === "audio") c = 1; else if (this.elementaryStream.info.decoderConfig) { let u = Pi(this.elementaryStream.info.codec, this.elementaryStream.info.decoderConfig, o) === "key"; c = Number(u) } } this.suppliedPacket = { pts: i, data: o, sequenceNumber: s, sectionStartPos: a, randomAccessIndicator: c }, this.pesPackets.splice(0, this.currentPesPacketIndex), this.currentPesPacketIndex = 0 } }, En = class { constructor(t, e) { this.decodeOrderPackets = []; this.reorderBuffer = []; this.presentationOrderPackets = []; this.reachedEnd = !1; this.lastDuration = 0; this.backing = t, this.context = e, this.reorderSize = t.getReorderSize(), p(this.reorderSize >= 0) } async readNext() { if (this.decodeOrderPackets.length === 0 && !await this.readNextPacket()) return null; await this.ensureCurrentPacketHasNext(); let t = this.decodeOrderPackets[0], e = this.presentationOrderPackets.indexOf(t); p(e !== -1); let r; for (e === this.presentationOrderPackets.length - 1 ? r = this.lastDuration : (r = this.presentationOrderPackets[e + 1].pts - t.pts, this.lastDuration = r), this.decodeOrderPackets.shift(); this.presentationOrderPackets.length > 0;) { let i = this.presentationOrderPackets[0]; if (this.decodeOrderPackets.includes(i)) break; this.presentationOrderPackets.shift() } return { packet: t, duration: r } } async readNextPacket() { if (this.reachedEnd) return !1; let t; return this.context.suppliedPacket ? t = this.context.suppliedPacket : (await this.context.markNextPacket(), t = this.context.suppliedPacket), this.context.suppliedPacket = null, t ? (this.decodeOrderPackets.push(t), this.processPacketThroughReorderBuffer(t), !0) : (this.reachedEnd = !0, this.flushReorderBuffer(), !1) } async ensureCurrentPacketHasNext() { let t = this.decodeOrderPackets[0]; for (p(t); ;) { let e = this.presentationOrderPackets.indexOf(t); if (e !== -1 && e <= this.presentationOrderPackets.length - 2 || !await this.readNextPacket()) break } } processPacketThroughReorderBuffer(t) { if (this.reorderBuffer.push(t), this.reorderBuffer.length > this.reorderSize) { let e = 0; for (let i = 1; i < this.reorderBuffer.length; i++)this.reorderBuffer[i].pts < this.reorderBuffer[e].pts && (e = i); let r = this.reorderBuffer[e]; this.presentationOrderPackets.push(r), this.reorderBuffer.splice(e, 1) } } flushReorderBuffer() { this.reorderBuffer.sort((t, e) => t.pts - e.pts), this.presentationOrderPackets.push(...this.reorderBuffer), this.reorderBuffer.length = 0 } }; var Et = "application/vnd.apple.mpegurl", pc = "#EXT-X-STREAM-INF:", hc = "#EXT-X-I-FRAME-STREAM-INF:", gc = "#EXT-X-MEDIA:", vn = "#EXTINF:", bc = "#EXT-X-MAP:", yc = "#EXT-X-KEY:", kc = "#EXT-X-MEDIA-SEQUENCE:", Tc = "#EXT-X-BYTERANGE:", wc = "#EXT-X-PROGRAM-DATE-TIME:", ql = "#EXT-X-DISCONTINUITY", Sc = "#EXT-X-TARGETDURATION:", Kl = "#EXT-X-ENDLIST", Ac = "#EXT-X-PLAYLIST-TYPE:", Gl = "#EXT-X-I-FRAMES-ONLY", bs = n => n.length === 0 || n.startsWith("#") && !n.startsWith("#EXT"), ir = class { constructor(t) { this._attributes = {}; let e = "", r = "", i = !1, a = !1; for (let s = 0; s < t.length; s++) { let o = t[s]; o === '"' ? a = !a : o === "=" && !i && !a ? i = !0 : o === "," && !a ? (e && (this._attributes[e.trim().toLowerCase()] = r), e = "", r = "", i = !1) : i ? r += o : e += o } e && (this._attributes[e.trim().toLowerCase()] = r) } get(t) { return this._attributes[t.toLowerCase()] ?? null } getAsNumber(t) { let e = this.get(t); if (e === null) return null; let r = Number(e); return Number.isFinite(r) ? r : null } merge(t) { Object.assign(this._attributes, t._attributes) } }; var ys = class { constructor(t, e, r) { this.nextInputCacheAge = 0; this.inputCache = []; this.trackBackingsPromise = null; this.firstSegment = null; this.firstSegmentFirstTimestamps = new WeakMap; this.firstTimestampCache = new WeakMap; this.input = t, this.path = e, this.trackDeclarations = r } async getDurationFromMetadata(t) { let e = await this.getSegmentAt(1 / 0, { skipLiveWait: t.skipLiveWait }); return e ? e.timestamp + e.duration : null } async getTrackBackings() { return this.trackBackingsPromise ??= (async () => { let t = []; if (this.trackDeclarations) { for (let e of this.trackDeclarations) if (e.type === "video") { let r = Kr(t, i => i.getType() === "video") + 1; t.push(new Ts(this, e, r)) } else if (e.type === "audio") { let r = Kr(t, i => i.getType() === "audio") + 1; t.push(new ws(this, e, r)) } } else { if (this.firstSegment = await this.getFirstSegment({}), !this.firstSegment) return []; let r = await this.getInputForSegment(this.firstSegment).getTracks(); for (let i of r) if (i.type === "video") { let a = Kr(t, s => s.getType() === "video") + 1; t.push(new Ts(this, { id: t.length + 1, type: "video" }, a)) } else if (i.type === "audio") { let a = Kr(t, s => s.getType() === "audio") + 1; t.push(new ws(this, { id: t.length + 1, type: "audio" }, a)) } } return t })() } async getFirstTimestampForInput(t) { let e = this.firstTimestampCache.get(t); if (e !== void 0) return e; let r = await t.getFirstTimestamp(); return this.firstTimestampCache.set(t, r), r } async getMediaOffset(t, e) { let r = t.firstSegment ?? t, i; if (this.firstSegmentFirstTimestamps.has(r)) i = this.firstSegmentFirstTimestamps.get(r); else { let u = this.getInputForSegment(r); i = await this.getFirstTimestampForInput(u), this.firstSegmentFirstTimestamps.set(r, i) } if (r === t) return r.timestamp - i; let a = await this.getFirstTimestampForInput(e), s = t.timestamp - r.timestamp, c = a - i - s; return Math.abs(c) <= Math.min(.25, s) ? r.timestamp - i : t.timestamp - a } dispose() { for (let t of this.inputCache) t.input.dispose(); this.inputCache.length = 0 } }, ks = class { constructor(t, e, r) { this.packetInfos = new WeakMap; this.hydrationPromise = null; this.firstInputTrack = null; this.segmentedInput = t, this.decl = e, this.number = r } hydrate() { return this.hydrationPromise ??= (async () => { if (this.segmentedInput.firstSegment ??= await this.segmentedInput.getFirstSegment({}), !this.segmentedInput.firstSegment) throw new Error("Missing first segment, can't retrieve track."); let r = (await this.segmentedInput.getInputForSegment(this.segmentedInput.firstSegment).getTracks()).find(i => i.type === this.decl.type && i.number === this.number); if (!r) throw new Error("No matching track found in underlying media data."); this.firstInputTrack = r })() } getId() { return this.decl.id } getType() { return this.decl.type } getNumber() { return this.number } delegate(t) { return this.firstInputTrack ? t() : this.hydrate().then(t) } async getDecoderConfig() { return this.delegate(() => this.firstInputTrack._backing.getDecoderConfig()) } getHasOnlyKeyPackets() { return this.delegate(() => this.firstInputTrack._backing.getHasOnlyKeyPackets?.() ?? null) } getPairingMask() { return 1n } getCodec() { return this.delegate(() => this.firstInputTrack._backing.getCodec()) } getInternalCodecId() { return this.delegate(() => this.firstInputTrack._backing.getInternalCodecId()) } getDisposition() { return this.delegate(() => this.firstInputTrack._backing.getDisposition()) } getLanguageCode() { return this.delegate(() => this.firstInputTrack._backing.getLanguageCode()) } getName() { return this.delegate(() => this.firstInputTrack._backing.getName()) } getTimeResolution() { return this.delegate(() => this.firstInputTrack._backing.getTimeResolution()) } async isRelativeToUnixEpoch() { return await this.hydrate(), p(this.segmentedInput.firstSegment), this.segmentedInput.firstSegment.relativeToUnixEpoch } getBitrate() { return this.delegate(() => this.firstInputTrack._backing.getBitrate()) } getAverageBitrate() { return this.delegate(() => this.firstInputTrack._backing.getAverageBitrate()) } getDurationFromMetadata(t) { return this.segmentedInput.getDurationFromMetadata(t) } getLiveRefreshInterval() { return this.segmentedInput.getLiveRefreshInterval() } async createAdjustedPacket(t, e, r) { p(t.sequenceNumber >= 0), p(this.segmentedInput.firstSegment); let i = await this.segmentedInput.getMediaOffset(e, r.input), a = e.timestamp - this.segmentedInput.firstSegment.timestamp, s = t.clone({ timestamp: St(t.timestamp + i, await r.getTimeResolution()), sequenceNumber: Math.floor(1e8 * a) + t.sequenceNumber }); return this.packetInfos.set(s, { segment: e, track: r, sourcePacket: t }), s } async getFirstPacket(t) { await this.hydrate(), p(this.segmentedInput.firstSegment), p(this.firstInputTrack); let e = await this.firstInputTrack._backing.getFirstPacket(t); return e ? this.createAdjustedPacket(e, this.segmentedInput.firstSegment, this.firstInputTrack) : null } getNextPacket(t, e) { return this._getNextInternal(t, e, !1) } getNextKeyPacket(t, e) { return this._getNextInternal(t, e, !0) } async _getNextInternal(t, e, r) { let i = this.packetInfos.get(t); if (!i) throw new Error("Packet was not created from this track."); let a = r ? await i.track._backing.getNextKeyPacket(i.sourcePacket, e) : await i.track._backing.getNextPacket(i.sourcePacket, e); if (a) return this.createAdjustedPacket(a, i.segment, i.track); let s = i.segment; for (; ;) { let o = await this.segmentedInput.getNextSegment(s, { skipLiveWait: e.skipLiveWait }); if (!o) return null; let l = (await this.segmentedInput.getInputForSegment(o).getTracks()).find(d => d.type === i.track.type && d.number === i.track.number); if (!l) { s = o; continue } let m = await l._backing.getFirstPacket(e); return m ? this.createAdjustedPacket(m, o, l) : null } } getPacket(t, e) { return this._getPacketInternal(t, e, !1) } getKeyPacket(t, e) { return this._getPacketInternal(t, e, !0) } async _getPacketInternal(t, e, r) { let i = await this.segmentedInput.getSegmentAt(t, { skipLiveWait: e.skipLiveWait }); if (!i) return null; for (await this.hydrate(); i;) { let a = this.segmentedInput.getInputForSegment(i), o = (await a.getTracks()).find(m => m.type === this.firstInputTrack.type && m.number === this.firstInputTrack.number); if (!o) { i = await this.segmentedInput.getPreviousSegment(i, { skipLiveWait: e.skipLiveWait }); continue } let c = await this.segmentedInput.getMediaOffset(i, a), u = t - c, l = r ? await o._backing.getKeyPacket(u, e) : await o._backing.getPacket(u, e); if (!l) { i = await this.segmentedInput.getPreviousSegment(i, { skipLiveWait: e.skipLiveWait }); continue } return this.createAdjustedPacket(l, i, o) } return null } }, Ts = class extends ks { getType() { return "video" } getCodec() { return this.delegate(() => this.firstInputTrack._backing.getCodec()) } getCodedWidth() { return this.delegate(() => this.firstInputTrack._backing.getCodedWidth()) } getCodedHeight() { return this.delegate(() => this.firstInputTrack._backing.getCodedHeight()) } getSquarePixelWidth() { return this.delegate(() => this.firstInputTrack._backing.getSquarePixelWidth()) } getSquarePixelHeight() { return this.delegate(() => this.firstInputTrack._backing.getSquarePixelHeight()) } getRotation() { return this.delegate(() => this.firstInputTrack._backing.getRotation()) } async getColorSpace() { return this.delegate(() => this.firstInputTrack._backing.getColorSpace()) } async canBeTransparent() { return this.delegate(() => this.firstInputTrack._backing.canBeTransparent()) } async getDecoderConfig() { return this.delegate(() => this.firstInputTrack._backing.getDecoderConfig()) } }, ws = class extends ks { getType() { return "audio" } getCodec() { return this.delegate(() => this.firstInputTrack._backing.getCodec()) } getNumberOfChannels() { return this.delegate(() => this.firstInputTrack._backing.getNumberOfChannels()) } getSampleRate() { return this.delegate(() => this.firstInputTrack._backing.getSampleRate()) } async getDecoderConfig() { return this.delegate(() => this.firstInputTrack._backing.getDecoderConfig()) } }; var Ql = yu(xc(), 1); yi(); var jl = typeof Ql < "u" ? Ql : void 0, Pc = 0, Cc = 1 / 0, Ie = class extends je { constructor() { super(...arguments); this._disposed = !1; this._refCount = 0; this._usedForHls = !1; this._sizePromise = null; this.onread = null } async getSizeOrNull() { if (this._disposed) throw new ke; return this._sizePromise ??= (async () => { let e = this._getFileSize(); return e !== void 0 || (await this._read(0, 1, Pc, Cc), e = this._getFileSize(), p(e !== void 0)), e })() } async getSize() { if (this._disposed) throw new ke; let e = await this.getSizeOrNull(); if (e === null) throw new Error("Cannot determine the size of an unsized source."); return e } slice(e, r) { if (!Number.isInteger(e) || e < 0) throw new TypeError("offset must be a non-negative integer."); if (r !== void 0 && (!Number.isInteger(r) || r < 0)) throw new TypeError("length, when provided, must be a non-negative integer."); return new Fn(this, e, r) } _dispatchRead(e, r) { this.onread?.(e, r), this._emit("read", { start: e, end: r }) } ref() { return new Sr(this) } }, Sr = class { constructor(t) { this._freed = !1; if (t._disposed) throw new Error("Cannot ref a disposed source."); t._refCount++, this._source = t } get source() { if (!this._source) throw new Error("Can't get source; ref has already been freed."); return this._source } get freed() { return this._freed } free() { if (this._freed) throw new Error("Illegal operation: double free on SourceRef."); let t = this.source; p(t._refCount > 0), t._refCount--, t._refCount === 0 && (t._dispose(), t._disposed = !0), this._freed = !0, this._source = null } [Symbol.dispose]() { this.freed || this.free() } }, Ge = class extends Ie { constructor(e, r) { if (typeof e != "string") throw new TypeError("rootPath must be a string."); if (typeof r != "function") throw new TypeError("requestHandler must be a function."); super(); this.rootPath = e; this.requestHandler = r } _resolveRequest(e) { let r = this.requestHandler(e), i = a => { if (!(a instanceof Ie || a instanceof Sr)) throw new TypeError("requestHandler must return or resolve to a Source or SourceRef."); let s = a instanceof Ie ? a.ref() : a; return s.source._usedForHls ||= this._usedForHls, s }; return r instanceof Promise ? r.then(i) : i(r) } }, Ic = (n, t) => n.path === t.path, Ni = class extends Ge { constructor() { super(...arguments); this._root = null; this._rootRequest = null } _read(e, r, i, a) { if (!this._root) { if (!this._rootRequest) { let s = this._resolveRequest({ path: this.rootPath, isRoot: !0 }), o = c => { let u = c instanceof Ie ? c.ref() : c; return this._root = u, this._rootRequest = null, u }; s instanceof Promise ? this._rootRequest = s.then(o) : (o(s), p(this._root)) } if (this._rootRequest) return this._rootRequest.then(s => s.source._read(e, r, i, a)) } return this._root.source._read(e, r, i, a) } _getFileSize() { if (this._root) return this._root.source._getFileSize() } _dispose() { this._root ? this._root.free() : this._rootRequest && this._rootRequest.then(e => e.free()) } }, Ss = class extends Ie { constructor(e) { if (!(e instanceof ArrayBuffer) && !(typeof SharedArrayBuffer < "u" && e instanceof SharedArrayBuffer) && !ArrayBuffer.isView(e)) throw new TypeError("buffer must be an ArrayBuffer, SharedArrayBuffer, or ArrayBufferView."); super(); this._onreadCalled = !1; this._bytes = j(e), this._view = U(e) } _getFileSize() { return this._bytes.byteLength } _read() { return this._onreadCalled || (this._dispatchRead(0, this._bytes.byteLength), this._onreadCalled = !0), { bytes: this._bytes, view: this._view, offset: 0 } } _dispose() { } }, As = class extends Ie { constructor(e, r = {}) { if (!(e instanceof Blob)) throw new TypeError("blob must be a Blob."); if (!r || typeof r != "object") throw new TypeError("options must be an object."); if (r.maxCacheSize !== void 0 && (!fr(r.maxCacheSize) || r.maxCacheSize < 0)) throw new TypeError("options.maxCacheSize, when provided, must be a non-negative number."); if (r.useStreamReader !== void 0 && typeof r.useStreamReader != "boolean") throw new TypeError("options.useStreamReader, when provided, must be a boolean."); super(); this._readers = new WeakMap; this._blob = e, this._options = r, this._orchestrator = new Rn({ maxCacheSize: r.maxCacheSize ?? 8 * 2 ** 20, maxWorkerCount: 4, runWorker: this._runWorker.bind(this), prefetchProfile: Ec.fileSystem }), this._orchestrator.fileSize = e.size } _getFileSize() { return this._orchestrator.fileSize } _read(e, r, i, a) { return this._orchestrator.read(e, r, i, a) } async _runWorker(e) { p(e.strictTarget); let r = this._readers.get(e); for (r === void 0 && ("stream" in this._blob && !mr() && this._options.useStreamReader !== !1 ? r = this._blob.slice(e.currentPos).stream().getReader() : r = null, this._readers.set(e, r)); e.currentPos < e.targetPos && !e.aborted;)if (r) { let { done: i, value: a } = await r.read(); if (i) throw this._orchestrator.onWorkerFinished(e), new Error("Blob reader stopped unexpectedly before all requested data was read."); if (e.aborted) break; this._dispatchRead(e.currentPos, e.currentPos + a.length), this._orchestrator.supplyWorkerData(e, a) } else { let i = await this._blob.slice(e.currentPos, e.targetPos).arrayBuffer(); if (e.aborted) break; this._dispatchRead(e.currentPos, e.currentPos + i.byteLength), this._orchestrator.supplyWorkerData(e, new Uint8Array(i)) } this._orchestrator.signalWorkerStoppedRunning(e), e.aborted && await r?.cancel() } _dispose() { this._orchestrator.dispose() } }, Gm = .5 * 2 ** 20, Qm = (n, t, e) => { if (t instanceof Error && (t.message.includes("Failed to fetch") || t.message.includes("Load failed") || t.message.includes("NetworkError when attempting to fetch resource"))) { let i = null; try { typeof window < "u" && typeof window.location < "u" && (i = new URL(e instanceof Request ? e.url : e, window.location.href).origin) } catch { } if ((typeof navigator < "u" && typeof navigator.onLine == "boolean" ? navigator.onLine : !0) && i !== null && i !== window.location.origin) return console.warn("Request will not be retried because a CORS error was suspected due to different origins. You can modify this behavior by providing your own function for the 'getRetryDelay' option."), null } return Math.min(2 ** (n - 2), 16) }, Xl = new Set, xs = class n extends Ge { constructor(e, r = {}) { if (typeof e != "string" && !(e instanceof URL) && !(typeof Request < "u" && e instanceof Request)) throw new TypeError("url must be a string, URL or Request."); if (!r || typeof r != "object") throw new TypeError("options must be an object."); if (r.requestInit !== void 0 && (!r.requestInit || typeof r.requestInit != "object")) throw new TypeError("options.requestInit, when provided, must be an object."); if (r.getRetryDelay !== void 0 && typeof r.getRetryDelay != "function") throw new TypeError("options.getRetryDelay, when provided, must be a function."); if (r.maxCacheSize !== void 0 && (!fr(r.maxCacheSize) || r.maxCacheSize < 0)) throw new TypeError("options.maxCacheSize, when provided, must be a non-negative number."); if (r.parallelism !== void 0 && (!Number.isInteger(r.parallelism) || r.parallelism < 1)) throw new TypeError("options.parallelism, when provided, must be a positive number."); if (r.fetchFn !== void 0 && typeof r.fetchFn != "function") throw new TypeError("options.fetchFn, when provided, must be a function."); let i = e instanceof Request ? e.url : e instanceof URL ? e.href : e; super(i, s => new n(s.path, this._options)); this._fileSizeDetermined = !1; this._url = e, this._options = r, this._getRetryDelay = r.getRetryDelay ?? Qm; let a = 2; this._orchestrator = new Rn({ maxCacheSize: r.maxCacheSize ?? 64 * 2 ** 20, maxWorkerCount: r.parallelism ?? a, runWorker: this._runWorker.bind(this), prefetchProfile: Ec.network }) } _getFileSize() { return this._fileSizeDetermined ? this._orchestrator.fileSize : void 0 } _read(e, r, i, a) { return this._orchestrator.read(e, r, i, a) } async _runWorker(e) { for (; ;) { let r = new AbortController, i = await Fu(this._options.fetchFn ?? fetch, this._url, Ru(this._options.requestInit ?? {}, { headers: { Range: `bytes=${e.currentPos}-` }, signal: r.signal }), this._getRetryDelay, () => this._disposed); if (!i.ok) throw new Error(`Error fetching ${String(this._url)}: ${i.status} ${i.statusText}`); e: if (this._orchestrator.fileSize === null) { let s = i.headers.get("Content-Range"); if (s) { let c = /\/(\d+)/.exec(s); if (c) { this._orchestrator.supplyFileSize(Number(c[1])); break e } } let o = i.headers.get("Content-Length"); o && this._orchestrator.supplyFileSize(e.currentPos + Number(o)) } if (this._fileSizeDetermined = !0, i.status !== 206) { if (!this._usedForHls) { let s = new URL(this._url instanceof Request ? this._url.url : this._url, typeof window < "u" ? window.location.href : void 0); s.origin !== "null" && !(s.pathname.endsWith(".m3u8") || s.pathname.endsWith(".m3u")) && (Xl.has(s.origin) || (console.log(this._usedForHls, this._url, s.pathname), console.warn(`HTTP server (origin ${s.origin}) did not respond to a range request with 206 Partial Content, meaning the entire resource will now be downloaded. To enable efficient media file streaming across a network, please make sure your server supports range requests.`), Xl.add(s.origin))) } e.currentPos = 0, this._orchestrator.options.maxCacheSize = 1 / 0, this._orchestrator.fileSize !== null ? e.targetPos = this._orchestrator.fileSize : (e.targetPos = 1 / 0, e.strictTarget = !1), this._orchestrator.consolidateEverythingIntoOneWorker(e) } if (!i.body) throw new Error("Missing HTTP response body stream. The used fetch function must provide the response body as a ReadableStream."); let a = i.body.getReader(); for (; ;) { if (e.currentPos >= e.targetPos || e.aborted) { r.abort(), this._orchestrator.signalWorkerStoppedRunning(e); return } let s; try { s = await a.read() } catch (u) { if (this._disposed) throw u; let l = this._getRetryDelay(1, u, this._url); if (l !== null) { console.error("Error while reading response stream. Attempting to resume.", u), await un(1e3 * l); break } else throw u } if (e.aborted) continue; let { done: o, value: c } = s; if (o) { if (e.currentPos >= e.targetPos) { this._orchestrator.onWorkerFinished(e); return } if (e.strictTarget) break; this._orchestrator.onWorkerFinished(e); return } this._dispatchRead(e.currentPos, e.currentPos + c.length), this._orchestrator.supplyWorkerData(e, c) } } } _dispose() { this._orchestrator.dispose() } }, Ps = class n extends Ge { constructor(e, r = {}) { if (typeof e != "string") throw new TypeError("filePath must be a string."); if (!r || typeof r != "object") throw new TypeError("options must be an object."); if (r.maxCacheSize !== void 0 && (!fr(r.maxCacheSize) || r.maxCacheSize < 0)) throw new TypeError("options.maxCacheSize, when provided, must be a non-negative number."); if (!jl.fs) throw new Error("FilePathSource is only available in server-side environments (Node.js, Bun, Deno)."); super(e, i => new n(i.path, r)); this._fileHandle = null; this._streamSource = new _n({ getSize: async () => (this._fileHandle = await jl.fs.open(e, "r"), (await this._fileHandle.stat()).size), read: async (i, a) => { p(this._fileHandle); let s = new Uint8Array(a - i); return await this._fileHandle.read(s, 0, a - i, i), s }, maxCacheSize: r.maxCacheSize, prefetchProfile: "fileSystem" }) } _read(e, r, i, a) { return this._streamSource._read(e, r, i, a) } _getFileSize() { return this._streamSource._getFileSize() } _dispose() { this._streamSource._dispose(), this._fileHandle?.close(), this._fileHandle = null } }, _n = class extends Ie { constructor(t) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (typeof t.getSize != "function") throw new TypeError("options.getSize must be a function."); if (typeof t.read != "function") throw new TypeError("options.read must be a function."); if (t.dispose !== void 0 && typeof t.dispose != "function") throw new TypeError("options.dispose, when provided, must be a function."); if (t.maxCacheSize !== void 0 && (!fr(t.maxCacheSize) || t.maxCacheSize < 0)) throw new TypeError("options.maxCacheSize, when provided, must be a non-negative number."); if (t.prefetchProfile && !["none", "fileSystem", "network"].includes(t.prefetchProfile)) throw new TypeError("options.prefetchProfile, when provided, must be one of 'none', 'fileSystem' or 'network'."); super(), this._options = t, this._orchestrator = new Rn({ maxCacheSize: t.maxCacheSize ?? 8 * 2 ** 20, maxWorkerCount: 2, prefetchProfile: Ec[t.prefetchProfile ?? "none"], runWorker: this._runWorker.bind(this) }) } _getFileSize() { return this._orchestrator.fileSize ?? void 0 } _read(t, e, r, i) { if (this._orchestrator.fileSize !== null) return this._orchestrator.read(t, e, r, i); let a = this._options.getSize(); if (a instanceof Promise) return a.then(s => { if (!Number.isInteger(s) || s < 0) throw new TypeError("options.getSize must return or resolve to a non-negative integer."); return this._orchestrator.fileSize = s, this._orchestrator.read(t, e, r, i) }); if (!Number.isInteger(a) || a < 0) throw new TypeError("options.getSize must return or resolve to a non-negative integer."); return this._orchestrator.fileSize = a, this._orchestrator.read(t, e, r, i) } async _runWorker(t) { for (; t.currentPos < t.targetPos && !t.aborted;) { let e = t.currentPos, r = t.targetPos, i = this._options.read(t.currentPos, r); if (i instanceof Promise && (i = await i), t.aborted) break; if (i instanceof Uint8Array) { if (i = j(i), i.length !== r - t.currentPos) throw new Error(`options.read returned a Uint8Array with unexpected length: Requested ${r - t.currentPos} bytes, but got ${i.length}.`); this._dispatchRead(t.currentPos, t.currentPos + i.length), this._orchestrator.supplyWorkerData(t, i) } else if (i instanceof ReadableStream) { let a = i.getReader(); for (; t.currentPos < r && !t.aborted;) { let { done: s, value: o } = await a.read(); if (s) { if (t.currentPos < r) throw new Error(`ReadableStream returned by options.read ended before supplying enough data. Requested ${r - e} bytes, but got ${t.currentPos - e}`); break } if (!(o instanceof Uint8Array)) throw new TypeError("ReadableStream returned by options.read must yield Uint8Array chunks."); if (t.aborted) break; let c = j(o); this._dispatchRead(t.currentPos, t.currentPos + c.length), this._orchestrator.supplyWorkerData(t, c) } } else throw new TypeError("options.read must return or resolve to a Uint8Array or a ReadableStream.") } this._orchestrator.signalWorkerStoppedRunning(t) } _dispose() { this._orchestrator.dispose(), this._options.dispose?.() } }, Li = class extends Ie { constructor(e, r = {}) { if (!(e instanceof ReadableStream)) throw new TypeError("stream must be a ReadableStream."); if (!r || typeof r != "object") throw new TypeError("options must be an object."); if (r.maxCacheSize !== void 0 && (!fr(r.maxCacheSize) || r.maxCacheSize < 0)) throw new TypeError("options.maxCacheSize, when provided, must be a non-negative number."); super(); this._reader = null; this._cache = []; this._pendingSlices = []; this._currentIndex = 0; this._targetIndex = 0; this._maxRequestedIndex = 0; this._endIndex = null; this._pulling = !1; this._stream = e, this._maxCacheSize = r.maxCacheSize ?? 16 * 2 ** 20 } _getFileSize() { return this._endIndex } _read(e, r) { if (this._endIndex !== null && r > this._endIndex) return null; this._maxRequestedIndex = Math.max(this._maxRequestedIndex, r); let i = q(this._cache, e, m => m.start), a = i !== -1 ? this._cache[i] : null; if (a && a.start <= e && r <= a.end) return { bytes: a.bytes, view: a.view, offset: a.start }; let s = e, o = new Uint8Array(r - e); if (i !== -1) for (let m = i; m < this._cache.length; m++) { let d = this._cache[m]; if (d.start >= r) break; let f = Math.max(e, d.start); f > s && this._throwDueToCacheMiss(); let h = Math.min(r, d.end); f < h && (o.set(d.bytes.subarray(f - d.start, h - d.start), f - e), s = h) } if (s === r) return { bytes: o, view: U(o), offset: e }; this._currentIndex > s && this._throwDueToCacheMiss(); let { promise: c, resolve: u, reject: l } = J(); return this._pendingSlices.push({ start: e, end: r, bytes: o, resolve: u, reject: l }), this._targetIndex = Math.max(this._targetIndex, r), this._pulling || (this._pulling = !0, this._pull().catch(m => { if (this._pulling = !1, this._pendingSlices.length > 0) this._pendingSlices.forEach(d => d.reject(m)), this._pendingSlices.length = 0; else throw m })), c } _throwDueToCacheMiss() { throw new Error("Read is before the cached region. With ReadableStreamSource, you must access the data more sequentially or increase the size of its cache.") } async _pull() { for (this._reader ??= this._stream.getReader(); this._currentIndex < this._targetIndex && !this._disposed;) { let { done: e, value: r } = await this._reader.read(); if (e) { for (let s of this._pendingSlices) s.resolve(null); this._pendingSlices.length = 0, this._endIndex = this._currentIndex; break } let i = this._currentIndex, a = this._currentIndex + r.byteLength; for (let s = 0; s < this._pendingSlices.length; s++) { let o = this._pendingSlices[s], c = Math.max(i, o.start), u = Math.min(a, o.end); c < u && (o.bytes.set(r.subarray(c - i, u - i), c - o.start), u === o.end && (o.resolve({ bytes: o.bytes, view: U(o.bytes), offset: o.start }), this._pendingSlices.splice(s, 1), s--)) } for (this._cache.push({ start: i, end: a, bytes: r, view: U(r), age: 0 }); this._cache.length > 0;) { let s = this._cache[0]; if (this._maxRequestedIndex - s.end <= this._maxCacheSize) break; this._cache.shift() } this._currentIndex += r.byteLength } this._pulling = !1 } _dispose() { this._pendingSlices.length = 0, this._cache.length = 0, this._reader?.cancel() } }, Ec = { none: (n, t) => ({ start: n, end: t }), fileSystem: (n, t) => (n = Math.floor((n - 65536) / 65536) * 65536, t = Math.ceil((t + 65536) / 65536) * 65536, { start: n, end: t }), network: (n, t, e) => { n = Math.max(0, Math.floor((n - 65536) / 65536) * 65536); for (let i of e) { let s = Math.max((i.startPos + i.targetPos) / 2, i.targetPos - 8388608); if (ha(n, t, s, i.targetPos)) { let o = i.targetPos - i.startPos, c = Math.ceil((o + 1) / 8388608) * 8388608, u = 2 ** Math.ceil(Math.log2(o + 1)), l = Math.min(u, c); t = Math.max(t, i.startPos + l) } } return t = Math.max(t, n + Gm), { start: n, end: t } } }, Rn = class { constructor(t) { this.options = t; this.fileSize = null; this.nextAge = 0; this.workers = []; this.cache = []; this.currentCacheSize = 0; this.disposed = !1; this.queuedReads = [] } read(t, e, r, i) { p(!this.disposed); let a = this.options.prefetchProfile(t, e, this.workers), s = Math.max(a.start, r), o = Math.min(a.end, this.fileSize ?? 1 / 0, i); p(s <= t && e <= o); let c = null, u = q(this.cache, t, S => S.start), l = u !== -1 ? this.cache[u] : null; l && l.start <= t && e <= l.end && (l.age = this.nextAge++, c = { bytes: l.bytes, view: l.view, offset: l.start }); let m = q(this.cache, s, S => S.start), d = c ? null : new Uint8Array(e - t), f = 0, h = s, b = []; if (m !== -1) { for (let S = m; S < this.cache.length; S++) { let x = this.cache[S]; if (x.start >= o) break; if (x.end <= s) continue; let P = Math.max(s, x.start), A = Math.min(o, x.end); if (p(P <= A), h < P && b.push({ start: h, end: P }), h = A, d) { let C = Math.max(t, x.start), I = Math.min(e, x.end); if (C < I) { let F = C - t; d.set(x.bytes.subarray(C - x.start, I - x.start), F), F === f && (f = I - t) } } x.age = this.nextAge++ } h < o && b.push({ start: h, end: o }) } else b.push({ start: s, end: o }); if (d && f >= d.length && (c = { bytes: d, view: U(d), offset: t }), b.length === 0) return p(c), c; let { promise: g, resolve: y, reject: k } = J(), T = []; for (let S of b) { let x = Math.max(t, S.start), P = Math.min(e, S.end); x === S.start && P === S.end ? T.push(S) : x < P && T.push({ start: x, end: P }) } let w = d && { start: t, bytes: d, holes: T, resolve: y, reject: k }; e: for (let S of b) { for (let A of this.workers) if (this.checkHoleAgainstWorker(A, S, w ? [w] : [])) { this.checkQueuedReadsAgainstWorker(A); continue e } let x = S.end < o || this.fileSize !== null, P = this.createWorker(S.start, S.end, x); if (P) w && (P.pendingSlices = [w]), this.runWorker(P); else { let A = q(this.queuedReads, S.start, I => I.hole.start), C = A !== -1 ? this.queuedReads[A] : null; for (C && S.start <= C.hole.end ? (C.hole.end = Math.max(C.hole.end, S.end), C.strictTarget &&= x, w && C.pendingSlices.push(w)) : (A++, C = { hole: { start: S.start, end: S.end }, strictTarget: x, pendingSlices: w ? [w] : [], age: this.nextAge++ }, this.queuedReads.splice(A, 0, C)); A + 1 < this.queuedReads.length;) { let I = this.queuedReads[A + 1]; if (I.hole.start > C.hole.end) break; C.hole.end = Math.max(C.hole.end, I.hole.end), C.pendingSlices.push(...I.pendingSlices), C.strictTarget &&= I.strictTarget, C.age = Math.min(C.age, I.age), this.queuedReads.splice(A + 1, 1) } } } return c || (p(d), c = g.then(S => S && { bytes: S, view: U(S), offset: t })), c } checkHoleAgainstWorker(t, e, r) { if (ha(e.start - 131072, e.start, t.currentPos, t.targetPos)) { t.targetPos = Math.max(t.targetPos, e.end); for (let a = 0; a < r.length; a++) { let s = r[a]; t.pendingSlices.includes(s) || t.pendingSlices.push(s) } return t.running || this.runWorker(t), !0 } return !1 } checkQueuedReadsAgainstWorker(t) { let e = !1; for (let r = 0; r < this.queuedReads.length; r++) { let i = this.queuedReads[r]; if (this.checkHoleAgainstWorker(t, i.hole, i.pendingSlices)) this.queuedReads.splice(r, 1), r--, e = !0; else if (e) break } } createWorker(t, e, r) { if (this.workers.length >= this.options.maxWorkerCount) { let a = null, s = null; for (let o = 0; o < this.workers.length; o++) { let c = this.workers[o]; !c.running && c.pendingSlices.length === 0 && (!a || c.age < a.age) && (s = o, a = c) } if (a) p(s !== null), p(a.pendingSlices.length === 0), this.workers.splice(s, 1); else return null } let i = { startPos: t, currentPos: t, targetPos: e, strictTarget: r, running: !1, aborted: this.disposed, pendingSlices: [], age: this.nextAge++ }; return this.workers.push(i), i } runWorker(t) { p(!t.running), p(t.currentPos < t.targetPos), t.running = !0, t.age = this.nextAge++, this.options.runWorker(t).catch(e => { if (t.running = !1, t.pendingSlices.length > 0) t.pendingSlices.forEach(r => r.reject(e)), t.pendingSlices.length = 0; else throw e }).finally(() => { if (!t.running && this.queuedReads.length > 0) { let e = 0; for (let a = 1; a < this.queuedReads.length; a++)this.queuedReads[a].age < this.queuedReads[e].age && (e = a); let r = this.queuedReads[e]; this.queuedReads.splice(e, 1); let i = this.createWorker(r.hole.start, r.hole.end, r.strictTarget); p(i), i.pendingSlices = r.pendingSlices, this.runWorker(i) } }) } consolidateEverythingIntoOneWorker(t) { let e = new Set(t.pendingSlices); for (let r = 0; r < this.workers.length; r++) { let i = this.workers[r]; if (i !== t) { for (let a of i.pendingSlices) e.add(a); i.aborted = !0, i.pendingSlices.length = 0, this.workers.splice(r, 1), r-- } } for (let r = 0; r < this.queuedReads.length; r++) { let i = this.queuedReads[r]; for (let a of i.pendingSlices) e.add(a) } t.pendingSlices = [...e], this.queuedReads.length = 0 } supplyWorkerData(t, e) { p(!t.aborted); let r = t.currentPos, i = r + e.length; this.insertIntoCache({ start: r, end: i, bytes: e, view: U(e), age: this.nextAge++ }), t.currentPos += e.length, t.currentPos > t.targetPos && (t.targetPos = t.currentPos, this.checkQueuedReadsAgainstWorker(t)); for (let a = 0; a < t.pendingSlices.length; a++) { let s = t.pendingSlices[a], o = Math.max(r, s.start), c = Math.min(i, s.start + s.bytes.length); o < c && s.bytes.set(e.subarray(o - r, c - r), o - s.start); for (let u = 0; u < s.holes.length; u++) { let l = s.holes[u]; r <= l.start && i > l.start && (l.start = i), l.end <= l.start && (s.holes.splice(u, 1), u--) } s.holes.length === 0 && (s.resolve(s.bytes), t.pendingSlices.splice(a, 1), a--) } for (let a = 0; a < this.workers.length; a++) { let s = this.workers[a]; t === s || s.running || ha(r, i, s.currentPos, s.targetPos) && (this.workers.splice(a, 1), a--) } } supplyFileSize(t) { p(this.fileSize === null), this.fileSize = t; for (let e of this.workers) { e.targetPos = Math.min(e.targetPos, t), e.strictTarget = !0; for (let r = 0; r < e.pendingSlices.length; r++) { let i = e.pendingSlices[r]; for (let a of i.holes) if (a.end > t) { i.resolve(null), e.pendingSlices.splice(r, 1), r--; break } } } for (let e = 0; e < this.queuedReads.length; e++) { let r = this.queuedReads[e]; if (r.hole.start >= t) { for (let i of r.pendingSlices) i.resolve(null); this.queuedReads.splice(e, 1), e-- } else if (r.hole.end > t) { r.hole.end = t, r.strictTarget = !0; for (let i = 0; i < r.pendingSlices.length; i++) { let a = r.pendingSlices[i]; a.start >= t && (a.resolve(null), r.pendingSlices.splice(i, 1), i--) } } } } signalWorkerStoppedRunning(t) { t.running = !1, t.pendingSlices.length = 0 } onWorkerFinished(t) { let e = this.workers.indexOf(t); p(e !== -1), t.running = !1, this.workers.splice(e, 1), this.fileSize === null && this.supplyFileSize(t.currentPos); for (let r of t.pendingSlices) r.resolve(null) } insertIntoCache(t) { if (this.options.maxCacheSize === 0) return; let e = q(this.cache, t.start, r => r.start) + 1; if (e > 0) { let r = this.cache[e - 1]; if (r.end >= t.end) return; if (r.end > t.start) { let i = new Uint8Array(t.end - r.start); i.set(r.bytes, 0), i.set(t.bytes, t.start - r.start), this.currentCacheSize += t.end - r.end, r.bytes = i, r.view = U(i), r.end = t.end, e--, t = r } else this.cache.splice(e, 0, t), this.currentCacheSize += t.bytes.length } else this.cache.splice(e, 0, t), this.currentCacheSize += t.bytes.length; for (let r = e + 1; r < this.cache.length; r++) { let i = this.cache[r]; if (t.end <= i.start) break; if (t.end >= i.end) { this.cache.splice(r, 1), this.currentCacheSize -= i.bytes.length, r--; continue } let a = new Uint8Array(i.end - t.start); a.set(t.bytes, 0), a.set(i.bytes, i.start - t.start), this.currentCacheSize -= t.end - i.start, t.bytes = a, t.view = U(a), t.end = i.end, this.cache.splice(r, 1); break } for (; this.currentCacheSize > this.options.maxCacheSize;) { let r = 0, i = this.cache[0]; for (let a = 1; a < this.cache.length; a++) { let s = this.cache[a]; s.age < i.age && (r = a, i = s) } if (this.currentCacheSize - i.bytes.length <= this.options.maxCacheSize) break; this.cache.splice(r, 1), this.currentCacheSize -= i.bytes.length } } dispose() { for (let t of this.workers) t.aborted = !0; this.workers.length = 0, this.cache.length = 0, this.disposed = !0 } }; var Fn = class extends Ie { constructor(e, r, i) { super(); this._ref = null; if (e._disposed) throw new Error("Cannot create a slice of a disposed source."); this._baseSource = e, this._offset = r, this._length = i ?? null } _getFileSize() { let e = this._baseSource._getFileSize(); return e === void 0 ? this._length !== null ? this._length : void 0 : e === null ? this._length !== null ? this._length : null : de(e - this._offset, 0, this._length ?? 1 / 0) } _read(e, r, i, a) { if (this._length !== null && r > this._length) return null; let s = this._baseSource._read(this._offset + e, this._offset + r, this._offset + i, this._offset + a); return s instanceof Promise ? s.then(o => o ? (o.offset -= this._offset, o) : null) : s ? (s.offset -= this._offset, s) : null } _dispose() { this._ref?.free() } ref() { return this._ref ??= this._baseSource.ref(), super.ref() } }; var jm = /^0[xX][0-9a-fA-F]+$/, Xm = /^data:.*;base64,/i, Mn = class extends ys { constructor(e, r, i, a) { super(e.input, r, i); this.segments = []; this.nextLines = null; this.currentUpdateSegmentsPromise = null; this.streamHasEnded = !1; this.lastSegmentUpdateTime = -1 / 0; this.refreshInterval = 5; this.demuxer = e, this.nextLines = a } runUpdateSegments() { return this.currentUpdateSegmentsPromise ??= (async () => { try { let e = this.getRemainingWaitTimeMs(); e > 0 && await un(e), this.lastSegmentUpdateTime = performance.now(), await this.updateSegments() } finally { this.currentUpdateSegmentsPromise = null } })() } getRemainingWaitTimeMs() { let e = performance.now() - this.lastSegmentUpdateTime, r = Math.max(0, 1e3 * this.refreshInterval - e); return r <= 50 ? 0 : r } async updateSegments() { let e = this.nextLines; if (this.nextLines = null, !e) { var k = []; try { let x = Fo(k, await this.demuxer.input._getSourceUncached({ path: this.path, isRoot: !1 })); let P = new Ar(x.source); let A = await P.requestEntireFile(); p(A); e = Cs(A, A.length, { ignore: bs }) } catch (T) { var w = T, S = !0 } finally { Mo(k, w, S) } } let r = !1, i = 0, a = null, s = null, o = 0, c = null, u = null, l = null, m = null, d = null, f = null, h = !1, b = X(this.segments) ?? null, g = x => { let P = x.indexOf("@"), A = Number(P === -1 ? x : x.slice(0, P)); if (!Number.isInteger(A) || A < 0) throw new Error(`Invalid #EXT-X-BYTERANGE length '${x}'.`); let C = null; if (P !== -1 && (C = Number(x.slice(P + 1)), !Number.isInteger(C) || C < 0)) throw new Error(`Invalid #EXT-X-BYTERANGE offset '${x}'.`); return { length: A, offset: C } }, y = x => { o = x, b && (p(b.sequenceNumber !== null), b.sequenceNumber < x && (i = b.timestamp + b.duration, c = b.firstSegment, u = b.initSegment, d = b.lastProgramDateTimeSeconds, b = null)) }; for (let x = 0; x < e.length; x++) { let P = e[x]; if (!r) { if (P !== "#EXTM3U") throw new Error("Invalid M3U8 file; expected first line to be #EXTM3U."); r = !0; continue } if (!P.startsWith("#")) { if (!b) { if (a === null) throw new Error("Invalid M3U8 file; a segment must be preceded by an #EXTINF tag."); let A = s; if (A && A.method === "AES-128" && !A.iv) { let v = new Uint8Array(dt), E = U(v); E.setUint32(8, Math.floor(o / 2 ** 32)), E.setUint32(12, o), A = { ...A, iv: v } } let I = { path: ge(this.path, P), offset: m?.offset ?? 0, length: m?.length ?? null }, F = { timestamp: i, relativeToUnixEpoch: d !== null, firstSegment: c, sequenceNumber: o, location: I, duration: a, encryption: A, initSegment: u, lastProgramDateTimeSeconds: d }; c ??= F, i += a, this.segments.push(F) } a = null, m === null ? l = null : m = null, y(o + 1) } if (P.startsWith(vn)) { if (b) { h = !0; continue } h || (d === null && o > 0 && f !== null && (i = o * f), h = !0); let A = P.slice(vn.length), C = A.indexOf(","), I = C === -1 ? A : A.slice(0, C), F = Number(I); if (!Number.isFinite(F) || F < 0) throw new Error(`Invalid #EXTINF tag duration '${I}'.`); a = F } else if (P.startsWith(bc)) { let A = new ir(P.slice(bc.length)), C = A.get("uri"); if (!C) throw new Error("Invalid #EXT-X-MAP tag; missing URI attribute."); let I = A.get("byterange"), F = null; if (I !== null && (F = g(I)), F && F.offset === null) throw new Error("Invalid #EXT-X-MAP tag; BYTERANGE attribute must have a specified offset."); if (!b) { let E = { path: ge(this.path, C), offset: F?.offset ?? 0, length: F?.length ?? null }; if (s?.method === "AES-128" && !s.iv) throw new Error("IV attribute must be set on #EXT-X-KEY tag preceding the #EXT-X-MAP tag."); u = { timestamp: i, relativeToUnixEpoch: d !== null, firstSegment: null, sequenceNumber: null, location: E, duration: 0, encryption: s, initSegment: null, lastProgramDateTimeSeconds: d } } a = null, m === null ? l = null : m = null } else if (P.startsWith(yc)) { let A = new ir(P.slice(yc.length)), C = A.get("method"); if (C === "NONE") s = null; else if (C === "AES-128") { let I = A.get("uri"); if (!I) throw new Error("Invalid #EXT-X-KEY: AES-128 requires a URI attribute."); let F = null, v = A.get("iv"); if (v) { if (!jm.test(v)) throw new Error(`Unsupported IV format '${v}'.`); let D = v.slice(2); D = D.padStart(dt * 2, "0"), F = new Uint8Array(dt); for (let z = 0; z < dt; z++) { let V = -dt * 2 + z; F[z] = parseInt(D.slice(V, V + 2), 16) } } let E = A.get("keyformat") ?? "identity"; if (E !== "identity") throw new Error("For AES-128 encryption, only the 'identity' KEYFORMAT is currently supported. If you think other formats should be supported, please raise an issue."); s = { method: "AES-128", keyUri: ge(this.path, I), iv: F, keyFormat: E } } else if (C === "SAMPLE-AES" || C === "SAMPLE-AES-CTR") { let I = A.get("uri"); if (!I) throw new Error(`Invalid #EXT-X-KEY: ${C} requires a URI attribute.`); if ((A.get("keyformat") ?? "identity") === "identity") throw new Error("For SAMPLE-AES and SAMPLE-AES-CTR encryption, the 'identity' KEYFORMAT is not supported. If you think this format should be supported, please raise an issue."); let v = null; if (Xm.test(I)) { let E = I.indexOf(","), D = qr(I.slice(E + 1)); if (D.length >= 8 && D[4] === 112 && D[5] === 115 && D[6] === 115 && D[7] === 104) { let z = U(D).getUint32(0); v = Na(D.subarray(8, Math.min(z, D.length))) } } s = { method: C, psshBox: v } } else throw new Error(`Unsupported encryption method '${C}'. If you think this method should be supported, please raise an issue.`) } else if (P.startsWith(kc)) { let A = P.slice(kc.length), C = Number(A); if (!Number.isInteger(C) || C < 0) throw new Error(`Invalid EXT-X-MEDIA-SEQUENCE value '${A}'.`); y(C) } else if (P.startsWith(Tc)) { let A = g(P.slice(Tc.length)); if (A.offset === null) { if (l === null) throw new Error("Invalid M3U8 file; #EXT-X-BYTERANGE without offset requires a previous byte range."); A.offset = l } m = A, l = A.offset + A.length } else if (P.startsWith(wc)) { if (b) continue; let A = P.slice(wc.length), C = Date.parse(A); if (!Number.isFinite(C)) continue; let I = C / 1e3; if (d === I) continue; if (d === null && this.segments.length > 0) { let F = X(this.segments), v = F.timestamp + F.duration, E = I - v; for (let D of this.segments) D.timestamp += E, D.relativeToUnixEpoch = !0; i += E } d = I, i = I } else if (P === ql) c = null; else if (P.startsWith(Sc)) { let A = P.slice(Sc.length), C = Number(A); if (!Number.isFinite(C) || C < 0) throw new Error(`Invalid EXT-X-TARGETDURATION value '${A}'.`); this.refreshInterval = C, f = C } else if (P === Kl) { this.streamHasEnded = !0; break } else P.startsWith(Ac) && P.slice(Ac.length).toLowerCase() === "vod" && (this.streamHasEnded = !0) } if (!r) throw new Error("Invalid M3U8 file; no #EXTM3U header.") } async getFirstSegment() { return this.segments.length === 0 && await this.runUpdateSegments(), this.segments[0] ?? null } async getSegmentAt(e, r) { this.segments.length === 0 && await this.runUpdateSegments(); let i = !!r.skipLiveWait && this.getRemainingWaitTimeMs() > 0; for (; ;) { let a = q(this.segments, e, o => o.timestamp); if (a === -1) return null; if (a < this.segments.length - 1 || this.streamHasEnded || i) return this.segments[a]; let s = this.segments[a]; if (e < s.timestamp + s.duration) return s; await this.runUpdateSegments(), r.skipLiveWait && (i = !0) } } async getNextSegment(e, r) { let i = this.segments.indexOf(e); p(i !== -1); let a = i + 1, s = !!r.skipLiveWait && this.getRemainingWaitTimeMs() > 0; for (; ;) { if (a < this.segments.length) return this.segments[a]; if (this.streamHasEnded || s) return null; await this.runUpdateSegments(), r.skipLiveWait && (s = !0) } } async getPreviousSegment(e) { let r = this.segments.indexOf(e); return p(r !== -1), this.segments[r - 1] ?? null } getInputForSegment(e) { let r = e, i = this.inputCache.find(u => u.segment === r); if (i) return i.age = this.nextInputCacheAge++, i.input; let a = null; (r.initSegment || r.firstSegment) && (a = this.getInputForSegment(r.initSegment ?? r.firstSegment)); let s = { ...this.input._formatOptions, isobmff: { ...this.input._formatOptions.isobmff, resolveKeyId: this.input._formatOptions.isobmff?.resolveKeyId && (u => { if (!r.encryption || !(r.encryption.method === "SAMPLE-AES" || r.encryption.method === "SAMPLE-AES-CTR") || !r.encryption.psshBox) return this.input._formatOptions.isobmff.resolveKeyId(u); let l = u.psshBoxes, { psshBox: m } = r.encryption; return (m.keyIds === null || m.keyIds.includes(u.keyId)) && !l.some(d => La(d, m)) && (l = [...l, m]), this.input._formatOptions.isobmff.resolveKeyId({ ...u, psshBoxes: l }) }) } }, o = new xr({ source: new Ni(r.location.path, async u => { p(u.isRoot); let l = { ...u, isRoot: !1 }, m, d = r.location.offset > 0 || r.location.length !== null; if (!r.encryption || r.encryption.method === "SAMPLE-AES" || r.encryption.method === "SAMPLE-AES-CTR") { if (m = await this.input._getSourceCached(l), d) { let h = m.source.slice(r.location.offset, r.location.length ?? void 0).ref(); m.free(), m = h } } else if (r.encryption.method === "AES-128") { let f = r.encryption; p(f.iv); let h = await this.input._getSourceCached(l); if (d) { let k = h.source.slice(r.location.offset, r.location.length ?? void 0).ref(); h.free(), h = k } let b = new Ar(h.source), g = bl(b, async () => { var S = []; try { let y = Fo(S, await this.input._getSourceCached({ path: f.keyUri, isRoot: !1 }, $l)); let k = new Ar(y.source); let T = await k.requestSlice(0, dt); if (!T) throw new Error("Invalid AES-128 key; expected at least 16 bytes of data."); let w = B(T, dt); return { key: w, iv: f.iv } } catch (x) { var P = x, A = !0 } finally { Mo(S, P, A) } }, () => { h.free() }); m = new Li(g).ref() } else p(!1); return m }), formats: this.input._formats.filter(u => !(u instanceof Zr)), initInput: a ?? void 0, formatOptions: s }); if (o._onFormatDetermined = u => { if ((r.encryption?.method === "SAMPLE-AES" || r.encryption?.method === "SAMPLE-AES-CTR") && !u._isIsobmff) throw new Error("The SAMPLE-AES and SAMPLE-AES-CTR encryption methods are currently only supported for ISOBMFF files.") }, this.inputCache.push({ segment: r, input: o, age: this.nextInputCacheAge++ }), this.inputCache.length > 4) { let u = ba(this.inputCache, l => l.age); p(u !== -1), this.inputCache.splice(u, 1) } return o } async getLiveRefreshInterval() { return this.getRemainingWaitTimeMs() === 0 && await this.runUpdateSegments(), this.streamHasEnded ? null : this.refreshInterval } }; var Es = class extends be { constructor(e) { super(e); this.metadataPromise = null; this.trackBackings = null; this.internalTracks = null; this.segmentedInputs = []; this.hasMasterPlaylist = !0 } readMetadata() { return this.metadataPromise ??= (async () => { p(this.input._rootSource instanceof Ge); let { rootPath: e } = this.input._rootSource, r = await this.input._reader.requestEntireFile(); p(r); let i = Cs(r, r.length, { ignore: bs }), a = [], s = []; for (let d = 1; d < i.length; d++) { let f = i[d]; if (f.startsWith(pc)) { let h = d, b = i[++d]; if (b === void 0) throw new Error("Incorrect M3U8 file; a line must follow the #EXT-X-STREAM-INF tag."); let g = ge(e, b), y = new ir(f.slice(pc.length)); if (y.getAsNumber("bandwidth") === null) throw new Error("Invalid M3U8 file; #EXT-X-STREAM-INF tag requires a BANDWIDTH attribute with a valid numerical value."); a.push({ fullPath: g, attributes: y, lineNumber: h, hasOnlyKeyPackets: !1 }) } else if (f.startsWith(hc)) { let h = new ir(f.slice(hc.length)), b = h.get("uri"); if (b === null) throw new Error("Invalid M3U8 file; #EXT-X-I-FRAME-STREAM-INF tag requires a URI attribute."); if (h.getAsNumber("bandwidth") === null) throw new Error("Invalid M3U8 file; #EXT-X-I-FRAME-STREAM-INF tag requires a BANDWIDTH attribute with a valid numerical value."); let y = ge(e, b); a.push({ fullPath: y, attributes: h, lineNumber: d, hasOnlyKeyPackets: !0 }) } else if (f.startsWith(gc)) { let h = new ir(f.slice(gc.length)); if (h.get("type") === null) throw new Error("Invalid M3U8 file; #EXT-X-MEDIA tag requires a TYPE attribute."); if (h.get("group-id") === null) throw new Error("Invalid M3U8 file; #EXT-X-MEDIA tag requires a GROUP-ID attribute."); let y = null, k = h.get("uri"); k !== null && (y = ge(e, k)), s.push({ fullPath: y, attributes: h, lineNumber: d }) } else if (f !== Gl) { if (f.startsWith(vn)) { let h = new Mn(this, e, null, i); this.segmentedInputs = [h], this.hasMasterPlaylist = !1, this.trackBackings = await h.getTrackBackings(); return } } } let o = [...new Set(s.filter(d => d.attributes.get("type").toLowerCase() === "video").map(d => d.attributes.get("group-id")))], c = [...new Set(s.filter(d => d.attributes.get("type").toLowerCase() === "audio").map(d => d.attributes.get("group-id")))], u = await Promise.all(a.map(async (d, f) => { let h = [], b = d.attributes.get("codecs"), g; if (b) g = b.split(",").map(I => I.trim()); else { let F = await this.getSegmentedInputForPath(d.fullPath).getTrackBackings(), v = await Promise.all(F.map(async E => ({ track: E, codec: await E.getCodec() }))); g = await Promise.all(v.filter(E => E.codec !== null).map(E => E.track.getDecoderConfig().then(D => D.codec))) } let y = d.attributes.get("video"), k = d.attributes.get("audio"), T = g.some(I => re.includes($e(I))), w = g.some(I => se.includes($e(I))); if (y !== null && !T) { if (!o.includes(y)) throw new Error(`Invalid M3U8 file; variant stream references video group "${y}" which is not defined in any #EXT-X-MEDIA tags.`); let I = s.find(F => { let v = F.attributes.get("group-id"), E = F.attributes.get("type"); return v === y && E.toLowerCase() === "video" }); e: if (I) { let F = I.attributes.get("uri"); if (F === null) break e; let v = ge(e, F), z = (await this.getSegmentedInputForPath(v).getTrackBackings()).find(L => L.getType() === "video"); if (!z || await z.getCodec() === null) break e; let V = await z.getDecoderConfig().then(L => L?.codec ?? null); p(V !== null), g.push(V) } } if (k !== null && !w) { if (!c.includes(k)) throw new Error(`Invalid M3U8 file; variant stream references audio group "${k}" which is not defined in any #EXT-X-MEDIA tags.`); let I = s.find(F => { let v = F.attributes.get("group-id"), E = F.attributes.get("type"); return v === k && E.toLowerCase() === "audio" }); e: if (I) { let F = I.attributes.get("uri"); if (F === null) break e; let v = ge(e, F), z = (await this.getSegmentedInputForPath(v).getTrackBackings()).find(L => L.getType() === "audio"); if (!z || await z.getCodec() === null) break e; let V = await z.getDecoderConfig().then(L => L?.codec ?? null); p(V !== null), g.push(V) } } g = [...new Set(g)]; let S = null, x = null, P = d.attributes.getAsNumber("bandwidth"); p(P !== null); let A = d.attributes.getAsNumber("average-bandwidth"), C = d.attributes.get("name"); for (let I of g) { let F = $e(I); if (F !== null) { if (re.includes(F)) { if (S !== null) throw new Error("Unsupported M3U8 file; multiple video codecs found in the CODECS attribute of a variant stream."); S = I; let v = d.attributes.get("video"); if (v === null) { let E = d.attributes.get("resolution"), D = null, z = null; if (E) { let V = E.match(/^(\d+)x(\d+)$/); V && (D = Number(V[1]), z = Number(V[2])) } h.push({ id: -1, demuxer: this, backingTrack: null, default: !0, autoselect: !0, languageCode: ee, lineNumber: d.lineNumber, fullPath: d.fullPath, fullCodecString: S, pairingMask: 1n << BigInt(f), peakBitrate: P, averageBitrate: A, name: C, hasOnlyKeyPackets: d.hasOnlyKeyPackets, info: { type: "video", width: D, height: z } }) } else { if (!o.includes(v)) throw new Error(`Invalid M3U8 file; variant stream references video group "${v}" which is not defined in any #EXT-X-MEDIA tags.`); for (let E of s) { let D = E.attributes.get("group-id"), z = E.attributes.get("type"); if (D !== v || z.toLowerCase() !== "video") continue; let V = E.attributes.get("resolution") ?? d.attributes.get("resolution"), L = null, Z = null; if (V) { let oe = V.match(/^(\d+)x(\d+)$/); oe && (L = Number(oe[1]), Z = Number(oe[2])) } h.push({ id: -1, demuxer: this, backingTrack: null, default: Is(E.attributes), autoselect: Is(E.attributes) || Yl(E.attributes), languageCode: Zl(E.attributes.get("language")), lineNumber: E.lineNumber, fullPath: E.fullPath ?? d.fullPath, fullCodecString: S, pairingMask: 1n << BigInt(f), peakBitrate: null, averageBitrate: null, name: E.attributes.get("name"), hasOnlyKeyPackets: d.hasOnlyKeyPackets, info: { type: "video", width: L, height: Z } }) } } } else if (se.includes(F)) { if (x !== null) throw new Error("Unsupported M3U8 file; multiple audio codecs found in the CODECS attribute of a variant stream."); x = I; let v = d.attributes.get("audio"); if (v === null) { let E = d.attributes.get("channels"), D = E !== null ? Number(E.split("/")[0]) : null; h.push({ id: -1, demuxer: this, backingTrack: null, default: !0, autoselect: !0, languageCode: ee, lineNumber: d.lineNumber, fullPath: d.fullPath, fullCodecString: x, pairingMask: 1n << BigInt(f), peakBitrate: P, averageBitrate: A, name: C, hasOnlyKeyPackets: d.hasOnlyKeyPackets, info: { type: "audio", numberOfChannels: D !== null && Number.isInteger(D) && D > 0 ? D : null } }) } else { if (!c.includes(v)) throw new Error(`Invalid M3U8 file; variant stream references audio group "${v}" which is not defined in any #EXT-X-MEDIA tags.`); for (let E of s) { let D = E.attributes.get("group-id"), z = E.attributes.get("type"); if (D !== v || z.toLowerCase() !== "audio") continue; let V = E.attributes.get("channels") ?? d.attributes.get("channels"), L = V !== null ? Number(V.split("/")[0]) : null; h.push({ id: -1, demuxer: this, backingTrack: null, default: Is(E.attributes), autoselect: Is(E.attributes) || Yl(E.attributes), languageCode: Zl(E.attributes.get("language")), lineNumber: E.lineNumber, fullPath: E.fullPath ?? d.fullPath, fullCodecString: x, pairingMask: 1n << BigInt(f), peakBitrate: null, averageBitrate: null, name: E.attributes.get("name"), hasOnlyKeyPackets: d.hasOnlyKeyPackets, info: { type: "audio", numberOfChannels: L !== null && Number.isInteger(L) && L > 0 ? L : null } }) } } } } } return h })), l = [], m = d => { let f = l.find(h => h.fullPath === d.fullPath && h.info.type === d.info.type); f ? (f.pairingMask |= d.pairingMask, f.default ||= d.default, f.autoselect ||= d.autoselect, f.lineNumber = Math.min(f.lineNumber, d.lineNumber), d.peakBitrate !== null && (f.peakBitrate = Math.max(f.peakBitrate ?? -1 / 0, d.peakBitrate)), d.averageBitrate !== null && (f.averageBitrate = Math.max(f.averageBitrate ?? -1 / 0, d.averageBitrate)), f.languageCode === ee && (f.languageCode = d.languageCode)) : (d.id = l.length + 1, l.push(d)) }; for (let d of u) for (let f of d) m(f); l.sort((d, f) => d.lineNumber - f.lineNumber), this.trackBackings = []; for (let d of l) d.info.type === "video" ? this.trackBackings.push(new _s(d)) : this.trackBackings.push(new Rs(d)); this.internalTracks = l })() } async getTrackBackings() { return await this.readMetadata(), p(this.trackBackings), this.trackBackings } getSegmentedInputForPath(e) { let r = this.segmentedInputs.find(a => a.path === e); if (r) return r; let i = null; return this.internalTracks && (i = this.internalTracks.filter(s => s.fullPath === e).map(s => ({ id: s.id, type: s.info.type }))), r = new Mn(this, e, i, null), this.segmentedInputs.push(r), r } async getMetadataTags() { return {} } async getMimeType() { return Et } dispose() { if (this.segmentedInputs) { for (let e of this.segmentedInputs) e.dispose(); this.segmentedInputs.length = 0 } } }, vs = class { constructor(t) { this.internalTrack = t; this.hydrationPromise = null } hydrate() { return this.hydrationPromise ??= (async () => { let t = this.internalTrack.demuxer.getSegmentedInputForPath(this.internalTrack.fullPath), e = null, i = (await t.getTrackBackings()).filter(a => a.getType() === this.getType()); if (i.length === 1) e = i[0]; else if (this instanceof _s) { for (let a of i) if (await a.getCodec() === this.getCodec()) { e = a; break } } else { p(this instanceof Rs); for (let a of i) if (await a.getCodec() === this.getCodec()) { e = a; break } } if (!e) throw new Error("Could not find matching track in underlying media data."); this.internalTrack.backingTrack = e })() } delegate(t) { return this.internalTrack.backingTrack ? t() : this.hydrate().then(t) } getCodec() { throw new Error("Not implemented on base class.") } getDisposition() { return { ...Se, default: this.internalTrack.autoselect, primary: this.internalTrack.default } } getId() { return this.internalTrack.id } getPairingMask() { return this.internalTrack.pairingMask } getInternalCodecId() { return null } getLanguageCode() { return this.internalTrack.languageCode } getName() { return this.internalTrack.name } getNumber() { p(this.internalTrack.demuxer.internalTracks); let t = this.internalTrack.info.type, e = 0; for (let r of this.internalTrack.demuxer.internalTracks) if (r.info.type === t && e++, r === this.internalTrack) break; return e } getTimeResolution() { return this.delegate(() => this.internalTrack.backingTrack.getTimeResolution()) } isRelativeToUnixEpoch() { return this.delegate(() => this.internalTrack.backingTrack.isRelativeToUnixEpoch()) } getBitrate() { return this.internalTrack.peakBitrate } getAverageBitrate() { return this.internalTrack.averageBitrate } async getDurationFromMetadata(t) { return await this.hydrate(), this.internalTrack.backingTrack.getDurationFromMetadata(t) } async getLiveRefreshInterval() { return await this.hydrate(), this.internalTrack.backingTrack.getLiveRefreshInterval() } getHasOnlyKeyPackets() { return this.internalTrack.hasOnlyKeyPackets || null } async getFirstPacket(t) { return await this.hydrate(), this.internalTrack.backingTrack.getFirstPacket(t) } async getPacket(t, e) { return await this.hydrate(), this.internalTrack.backingTrack.getPacket(t, e) } async getKeyPacket(t, e) { return await this.hydrate(), this.internalTrack.backingTrack.getKeyPacket(t, e) } async getNextPacket(t, e) { return await this.hydrate(), this.internalTrack.backingTrack.getNextPacket(t, e) } async getNextKeyPacket(t, e) { return await this.hydrate(), this.internalTrack.backingTrack.getNextKeyPacket(t, e) } }, _s = class extends vs { constructor(t) { super(t) } get backingVideoTrack() { return this.internalTrack.backingTrack } getType() { return "video" } getCodec() { return $e(this.internalTrack.fullCodecString) } getCodedWidth() { return this.delegate(() => this.backingVideoTrack.getCodedWidth()) } getCodedHeight() { return this.delegate(() => this.backingVideoTrack.getCodedHeight()) } getSquarePixelWidth() { return this.delegate(() => this.backingVideoTrack.getSquarePixelWidth()) } getSquarePixelHeight() { return this.delegate(() => this.backingVideoTrack.getSquarePixelHeight()) } getMetadataDisplayWidth() { return this.backingVideoTrack ? null : this.internalTrack.info.width } getMetadataDisplayHeight() { return this.backingVideoTrack ? null : this.internalTrack.info.height } getRotation() { return this.delegate(() => this.backingVideoTrack.getRotation()) } async getColorSpace() { return await this.hydrate(), this.backingVideoTrack.getColorSpace() } async canBeTransparent() { return await this.hydrate(), this.backingVideoTrack.canBeTransparent() } getMetadataCodecParameterString() { return this.backingVideoTrack ? null : this.internalTrack.fullCodecString } async getDecoderConfig() { return await this.hydrate(), this.backingVideoTrack.getDecoderConfig() } }, Rs = class extends vs { constructor(t) { super(t) } get backingAudioTrack() { return this.internalTrack.backingTrack } getType() { return "audio" } getCodec() { return $e(this.internalTrack.fullCodecString) } getNumberOfChannels() { return this.internalTrack.info.numberOfChannels !== null ? this.internalTrack.info.numberOfChannels : this.delegate(() => this.backingAudioTrack.getNumberOfChannels()) } getSampleRate() { return this.delegate(() => this.backingAudioTrack.getSampleRate()) } getMetadataCodecParameterString() { return this.backingAudioTrack ? null : this.internalTrack.fullCodecString } async getDecoderConfig() { return await this.hydrate(), this.backingAudioTrack.getDecoderConfig() } }, Is = n => { let t = n.get("default"); if (t === null) return !1; let e = t.toUpperCase(); if (e === "YES") return !0; if (e === "NO") return !1; throw new Error(`Invalid M3U8 file; #EXT-X-MEDIA DEFAULT attribute must be YES or NO, got "${t}".`) }, Yl = n => { let t = n.get("autoselect"); if (t === null) return !1; let e = t.toUpperCase(); if (e === "YES") return !0; if (e === "NO") return !1; throw new Error(`Invalid M3U8 file; #EXT-X-MEDIA AUTOSELECT attribute must be YES or NO, got "${t}".`) }, Zl = n => { if (n === null) return ee; let t = n.split("-")[0]; return t || ee }; var Be = class { constructor() { this._isIsobmff = !1 } }, Wi = class extends Be { constructor() { super(...arguments); this._isIsobmff = !0 } async _getMajorBrand(e) { let r = e._reader.requestSlice(0, 12); if (r instanceof Promise && (r = await r), !r) return null; r.skip(4); let i = ie(r, 4); return i !== "ftyp" && i !== "styp" ? null : ie(r, 4) } _createDemuxer(e) { return new qa(e) } }, Bn = class extends Wi { async _canReadInput(t) { let e = await this._getMajorBrand(t); if (e !== null) return e !== "qt "; let r = t._reader.requestSlice(4, 4); return r instanceof Promise && (r = await r), r ? ie(r, 4) === "moof" : !1 } get name() { return "MP4" } get mimeType() { return "video/mp4" } }, On = class extends Wi { async _canReadInput(t) { return await this._getMajorBrand(t) === "qt " } get name() { return "QuickTime File Format" } get mimeType() { return "video/quicktime" } }, Hi = class extends Be { async isSupportedEBMLOfDocType(t, e) { let r = t._reader.requestSlice(0, pt); if (r instanceof Promise && (r = await r), !r) return !1; let i = Jo(r); if (i === null || i < 1 || i > 8 || K(r, i) !== 440786851) return !1; let s = ec(r); if (typeof s != "number") return !1; let o = t._reader.requestSlice(r.filePos, s); if (o instanceof Promise && (o = await o), !o) return !1; let c = r.filePos; for (; o.filePos <= c + s - Ve;) { let u = ht(o); if (!u) break; let { id: l, size: m } = u, d = o.filePos; if (m === void 0) return !1; switch (l) { case 17030: if (K(o, m) !== 1) return !1; break; case 17143: if (K(o, m) !== 1) return !1; break; case 17026: if (Tr(o, m) !== e) return !1; break; case 17031: if (K(o, m) > 4) return !1; break }o.filePos = d + m } return !0 } _canReadInput(t) { return this.isSupportedEBMLOfDocType(t, "matroska") } _createDemuxer(t) { return new es(t) } get name() { return "Matroska" } get mimeType() { return "video/x-matroska" } }, Dn = class extends Hi { _canReadInput(t) { return this.isSupportedEBMLOfDocType(t, "webm") } get name() { return "WebM" } get mimeType() { return "video/webm" } }, Vn = class extends Be { async _canReadInput(t) { let e = 0; for (; ;) { let m = t._reader.requestSlice(e, qe); if (m instanceof Promise && (m = await m), !m) break; let d = gt(m); if (!d) break; e = m.filePos + d.size } let r = await xn(t._reader, e, e + 4096); if (!r) return !1; let i = r.header, a = gr(i.mpegVersionId, i.channel), s = t._reader.requestSlice(r.startPos + a, 4); if (s instanceof Promise && (s = await s), !s) return !1; let o = R(s); if (o === hr || o === Si) return !0; e = r.startPos + r.header.totalSize; let u = await xn(t._reader, e, e + 4); if (!u) return !1; let l = u.header; return !(i.channel !== l.channel || i.sampleRate !== l.sampleRate) } _createDemuxer(t) { return new rs(t) } get name() { return "MP3" } get mimeType() { return "audio/mpeg" } }, Un = class extends Be { async _canReadInput(t) { let e = t._reader.requestSlice(0, 12); if (e instanceof Promise && (e = await e), !e) return !1; let r = ie(e, 4); return r !== "RIFF" && r !== "RIFX" && r !== "RF64" ? !1 : (e.skip(4), ie(e, 4) === "WAVE") } _createDemuxer(t) { return new cs(t) } get name() { return "WAVE" } get mimeType() { return "audio/wav" } }, zn = class extends Be { async _canReadInput(t) { let e = t._reader.requestSlice(0, 4); return e instanceof Promise && (e = await e), e ? ie(e, 4) === "OggS" : !1 } _createDemuxer(t) { return new os(t) } get name() { return "Ogg" } get mimeType() { return "application/ogg" } }, Nn = class extends Be { async _canReadInput(t) { let e = t._reader.requestSlice(0, 4); return e instanceof Promise && (e = await e), e ? ie(e, 4) === "fLaC" : !1 } get name() { return "FLAC" } get mimeType() { return "audio/flac" } _createDemuxer(t) { return new fs(t) } }, Ln = class extends Be { async _canReadInput(t) { let e = 0; for (; ;) { let s = t._reader.requestSlice(e, qe); if (s instanceof Promise && (s = await s), !s) break; let o = gt(s); if (!o) break; e = s.filePos + o.size } let r = t._reader.requestSliceRange(e, rr, Ke); if (r instanceof Promise && (r = await r), !r) return !1; let i = Ue(r); if (!i || (e += i.frameLength, r = t._reader.requestSliceRange(e, rr, Ke), r instanceof Promise && (r = await r), !r)) return !1; let a = Ue(r); return a ? i.objectType === a.objectType && i.samplingFrequencyIndex === a.samplingFrequencyIndex && i.channelConfiguration === a.channelConfiguration : !1 } _createDemuxer(t) { return new us(t) } get name() { return "ADTS" } get mimeType() { return "audio/aac" } }, Wn = class extends Be { async _canReadInput(t) { let e = 205, r = t._reader.requestSlice(0, e); if (r instanceof Promise && (r = await r), !r) return !1; let i = B(r, e); return i[0] === 71 && i[188] === 71 || i[0] === 71 && i[204] === 71 ? !0 : i[4] === 71 && i[196] === 71 } _createDemuxer(t) { return new hs(t) } get name() { return "MPEG Transport Stream" } get mimeType() { return "video/MP2T" } }, Zr = class extends Be { async _canReadInput(t) { let e = t._reader.requestSlice(0, 7); if (e instanceof Promise && (e = await e), !e || !(ie(e, 7) === "#EXTM3U")) return !1; if (!(t._rootSource instanceof Ge)) throw new TypeError("HLS inputs require `InputOptions.source` to be a PathedSource or a ref to one."); return t._rootSource._usedForHls = !0, !0 } _createDemuxer(t) { return new Es(t) } get name() { return "HTTP Live Streaming (HLS)" } get mimeType() { return Et } }, Fs = new Bn, Ms = new On, vc = new Hi, _c = new Dn, Bs = new Vn, Rc = new Un, Fc = new zn, Os = new Ln, Mc = new Nn, Ds = new Wn, Vs = new Zr, Jl = [Vs, Fs, Ms, vc, _c, Rc, Fc, Mc, Bs, Os, Ds], ed = [Vs, Fs, Ms, Bs, Os, Ds], td = (n, t) => { if (!n || typeof n != "object") throw new TypeError(`${t}, when provided, must be an object.`); if (n.isobmff !== void 0) { if (!n.isobmff || typeof n.isobmff != "object") throw new TypeError(`${t}.isobmff, when provided, must be an object.`); if (n.isobmff.resolveKeyId !== void 0 && typeof n.isobmff.resolveKeyId != "function") throw new TypeError(`${t}.isobmff.resolveKeyId, when provided, must be a function.`) } }; var Us = new Map, zs = new Map, $m = (n, t) => { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.codec !== void 0 && typeof t.codec != "string") throw new TypeError("options.codec, when provided, must be a string."); if (t.codec !== void 0 && $e(t.codec) !== n) throw new TypeError(`options.codec, when provided, must match the specified codec (${n}).`); if (t.codedWidth !== void 0 && (!Number.isInteger(t.codedWidth) || t.codedWidth <= 0)) throw new TypeError("options.codedWidth, when provided, must be a positive integer."); if (t.codedHeight !== void 0 && (!Number.isInteger(t.codedHeight) || t.codedHeight <= 0)) throw new TypeError("options.codedHeight, when provided, must be a positive integer."); if (t.displayAspectWidth !== void 0 && (!Number.isInteger(t.displayAspectWidth) || t.displayAspectWidth <= 0)) throw new TypeError("options.displayAspectWidth, when provided, must be a positive integer."); if (t.displayAspectHeight !== void 0 && (!Number.isInteger(t.displayAspectHeight) || t.displayAspectHeight <= 0)) throw new TypeError("options.displayAspectHeight, when provided, must be a positive integer."); if (t.description !== void 0 && !zt(t.description)) throw new TypeError("options.description, when provided, must be a buffer source."); if (t.hardwareAcceleration !== void 0 && !["no-preference", "prefer-hardware", "prefer-software"].includes(t.hardwareAcceleration)) throw new TypeError("options.hardwareAcceleration, when provided, must be 'no-preference', 'prefer-hardware' or 'prefer-software'."); if (t.optimizeForLatency !== void 0 && typeof t.optimizeForLatency != "boolean") throw new TypeError("options.optimizeForLatency, when provided, must be a boolean.") }, Ym = (n, t) => { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.codec !== void 0 && typeof t.codec != "string") throw new TypeError("options.codec, when provided, must be a string."); if (t.codec !== void 0 && $e(t.codec) !== n) throw new TypeError(`options.codec, when provided, must match the specified codec (${n}).`); if (t.numberOfChannels !== void 0 && (!Number.isInteger(t.numberOfChannels) || t.numberOfChannels <= 0)) throw new TypeError("options.numberOfChannels, when provided, must be a positive integer."); if (t.sampleRate !== void 0 && (!Number.isInteger(t.sampleRate) || t.sampleRate <= 0)) throw new TypeError("options.sampleRate, when provided, must be a positive integer."); if (t.description !== void 0 && !zt(t.description)) throw new TypeError("options.description, when provided, must be a buffer source.") }, rd = n => re.includes(n) ? Ns(n) : se.includes(n) ? Ls(n) : !1, Ns = async (n, t = {}) => { if (!re.includes(n)) return !1; $m(n, t); let e = { ...t, codedWidth: t.codedWidth ?? 1280, codedHeight: t.codedHeight ?? 720, codec: t.codec ?? wa(n, 1280, 720, 1e6) }; e.description ??= ju(e); let r = JSON.stringify(e), i = Us.get(r); if (i) return i; let a = (async () => Pr.some(o => o.supports(n, e)) ? !0 : typeof VideoDecoder > "u" ? !1 : (await VideoDecoder.isConfigSupported(e)).supported === !0)(); return Us.set(r, a), a }, Ls = async (n, t = {}) => { if (!se.includes(n)) return !1; Ym(n, t); let e = { ...t, numberOfChannels: t.numberOfChannels ?? 2, sampleRate: t.sampleRate ?? 48e3, codec: t.codec ?? Aa(n, 2, 48e3) }; if (e.description === void 0) { let s = Xu(e); if (s === !1) return !1; e.description = s } let r = JSON.stringify(e), i = zs.get(r); if (i) return i; let a = (async () => Cr.some(o => o.supports(n, e)) || te.includes(n) ? !0 : typeof AudioDecoder > "u" ? !1 : (await AudioDecoder.isConfigSupported(e)).supported === !0)(); return zs.set(r, a), a }, id = async () => { let [n, t] = await Promise.all([Bc(), Oc()]); return [...n, ...t] }, Bc = async (n = re, t) => { let e = await Promise.all(n.map(r => Ns(r, t))); return n.filter((r, i) => e[i]) }, Oc = async (n = se, t) => { let e = await Promise.all(n.map(r => Ls(r, t))); return n.filter((r, i) => e[i]) }; yi(); var nd = -1 / 0, ad = -1 / 0, qn = null; typeof FinalizationRegistry < "u" && (qn = new FinalizationRegistry(n => { let t = performance.now(); n.type === "video" ? (t - nd >= 1e3 && (console.error("A VideoSample was garbage collected without first being closed. For proper resource management, make sure to call close() on all your VideoSamples as soon as you're done using them."), nd = t), typeof VideoFrame < "u" && n.data instanceof VideoFrame && n.data.close()) : (t - ad >= 1e3 && (console.error("An AudioSample was garbage collected without first being closed. For proper resource management, make sure to call close() on all your AudioSamples as soon as you're done using them."), ad = t), typeof AudioData < "u" && n.data instanceof AudioData && n.data.close()) })); var Ws = ["I420", "I420P10", "I420P12", "I420A", "I420AP10", "I420AP12", "I422", "I422P10", "I422P12", "I422A", "I422AP10", "I422AP12", "I444", "I444P10", "I444P12", "I444A", "I444AP10", "I444AP12", "NV12", "RGBA", "RGBX", "BGRA", "BGRX"], Zm = new Set(Ws), me = class n { constructor(t, e) { this._closed = !1; if (t instanceof ArrayBuffer || typeof SharedArrayBuffer < "u" && t instanceof SharedArrayBuffer || ArrayBuffer.isView(t)) { if (!e || typeof e != "object") throw new TypeError("init must be an object."); if (e.format === void 0 || !Zm.has(e.format)) throw new TypeError("init.format must be one of: " + Ws.join(", ")); if (!Number.isInteger(e.codedWidth) || e.codedWidth <= 0) throw new TypeError("init.codedWidth must be a positive integer."); if (!Number.isInteger(e.codedHeight) || e.codedHeight <= 0) throw new TypeError("init.codedHeight must be a positive integer."); if (e.rotation !== void 0 && ![0, 90, 180, 270].includes(e.rotation)) throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); if (!Number.isFinite(e.timestamp)) throw new TypeError("init.timestamp must be a number."); if (e.duration !== void 0 && (!Number.isFinite(e.duration) || e.duration < 0)) throw new TypeError("init.duration, when provided, must be a non-negative number."); if (e.layout !== void 0) { if (!Array.isArray(e.layout)) throw new TypeError("init.layout, when provided, must be an array."); for (let r of e.layout) { if (!r || typeof r != "object" || Array.isArray(r)) throw new TypeError("Each entry in init.layout must be an object."); if (!Number.isInteger(r.offset) || r.offset < 0) throw new TypeError("plane.offset must be a non-negative integer."); if (!Number.isInteger(r.stride) || r.stride < 0) throw new TypeError("plane.stride must be a non-negative integer.") } } if (e.visibleRect !== void 0 && Ho(e.visibleRect, "init.visibleRect"), e.displayWidth !== void 0 && (!Number.isInteger(e.displayWidth) || e.displayWidth <= 0)) throw new TypeError("init.displayWidth, when provided, must be a positive integer."); if (e.displayHeight !== void 0 && (!Number.isInteger(e.displayHeight) || e.displayHeight <= 0)) throw new TypeError("init.displayHeight, when provided, must be a positive integer."); if (e.displayWidth !== void 0 != (e.displayHeight !== void 0)) throw new TypeError("init.displayWidth and init.displayHeight must be either both provided or both omitted."); this._data = j(t).slice(), this._layout = e.layout ?? Jm(e.format, e.codedWidth, e.codedHeight), this.format = e.format, this.rotation = e.rotation ?? 0, this.timestamp = e.timestamp, this.duration = e.duration ?? 0, this.colorSpace = new ti(e.colorSpace), this.visibleRect = { left: e.visibleRect?.left ?? 0, top: e.visibleRect?.top ?? 0, width: e.visibleRect?.width ?? e.codedWidth, height: e.visibleRect?.height ?? e.codedHeight }, e.displayWidth !== void 0 ? (this.squarePixelWidth = this.rotation % 180 === 0 ? e.displayWidth : e.displayHeight, this.squarePixelHeight = this.rotation % 180 === 0 ? e.displayHeight : e.displayWidth) : (this.squarePixelWidth = this.codedWidth, this.squarePixelHeight = this.codedHeight) } else if (typeof VideoFrame < "u" && t instanceof VideoFrame) { if (e?.rotation !== void 0 && ![0, 90, 180, 270].includes(e.rotation)) throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); if (e?.timestamp !== void 0 && !Number.isFinite(e?.timestamp)) throw new TypeError("init.timestamp, when provided, must be a number."); if (e?.duration !== void 0 && (!Number.isFinite(e.duration) || e.duration < 0)) throw new TypeError("init.duration, when provided, must be a non-negative number."); e?.visibleRect !== void 0 && Ho(e.visibleRect, "init.visibleRect"), this._data = t, this._layout = null, this.format = t.format, this.visibleRect = { left: t.visibleRect?.x ?? 0, top: t.visibleRect?.y ?? 0, width: t.visibleRect?.width ?? t.codedWidth, height: t.visibleRect?.height ?? t.codedHeight }, this.rotation = e?.rotation ?? 0, this.squarePixelWidth = t.displayWidth, this.squarePixelHeight = t.displayHeight, this.timestamp = e?.timestamp ?? t.timestamp / 1e6, this.duration = e?.duration ?? (t.duration ?? 0) / 1e6, this.colorSpace = new ti(t.colorSpace) } else if (typeof HTMLImageElement < "u" && t instanceof HTMLImageElement || typeof SVGImageElement < "u" && t instanceof SVGImageElement || typeof ImageBitmap < "u" && t instanceof ImageBitmap || typeof HTMLVideoElement < "u" && t instanceof HTMLVideoElement || typeof HTMLCanvasElement < "u" && t instanceof HTMLCanvasElement || typeof OffscreenCanvas < "u" && t instanceof OffscreenCanvas) { if (!e || typeof e != "object") throw new TypeError("init must be an object."); if (e.rotation !== void 0 && ![0, 90, 180, 270].includes(e.rotation)) throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); if (!Number.isFinite(e.timestamp)) throw new TypeError("init.timestamp must be a number."); if (e.duration !== void 0 && (!Number.isFinite(e.duration) || e.duration < 0)) throw new TypeError("init.duration, when provided, must be a non-negative number."); if (typeof VideoFrame < "u") return new n(new VideoFrame(t, { timestamp: Math.trunc(e.timestamp * At), duration: Math.trunc((e.duration ?? 0) * At) || void 0 }), e); let r = 0, i = 0; if ("naturalWidth" in t ? (r = t.naturalWidth, i = t.naturalHeight) : "videoWidth" in t ? (r = t.videoWidth, i = t.videoHeight) : "width" in t && (r = Number(t.width), i = Number(t.height)), !r || !i) throw new TypeError("Could not determine dimensions."); let a = new OffscreenCanvas(r, i), s = a.getContext("2d", { alpha: xt(), willReadFrequently: !0 }); p(s), s.drawImage(t, 0, 0), this._data = a, this._layout = null, this.format = "RGBX", this.visibleRect = { left: 0, top: 0, width: r, height: i }, this.squarePixelWidth = r, this.squarePixelHeight = i, this.rotation = e.rotation ?? 0, this.timestamp = e.timestamp, this.duration = e.duration ?? 0, this.colorSpace = new ti({ matrix: "rgb", primaries: "bt709", transfer: "iec61966-2-1", fullRange: !0 }) } else throw new TypeError("Invalid data type: Must be a BufferSource or CanvasImageSource."); this.pixelAspectRatio = Ht({ num: this.squarePixelWidth * this.codedHeight, den: this.squarePixelHeight * this.codedWidth }), qn?.register(this, { type: "video", data: this._data }, this) } get codedWidth() { return this.visibleRect.width } get codedHeight() { return this.visibleRect.height } get displayWidth() { return this.rotation % 180 === 0 ? this.squarePixelWidth : this.squarePixelHeight } get displayHeight() { return this.rotation % 180 === 0 ? this.squarePixelHeight : this.squarePixelWidth } get microsecondTimestamp() { return Math.trunc(At * this.timestamp) } get microsecondDuration() { return Math.trunc(At * this.duration) } get hasAlpha() { return this.format && this.format.includes("A") } clone() { if (this._closed) throw new Error("VideoSample is closed."); return p(this._data !== null), Jr(this._data) ? new n(this._data.clone(), { timestamp: this.timestamp, duration: this.duration, rotation: this.rotation }) : this._data instanceof Uint8Array ? (p(this._layout), new n(this._data, { format: this.format, layout: this._layout, codedWidth: this.codedWidth, codedHeight: this.codedHeight, timestamp: this.timestamp, duration: this.duration, colorSpace: this.colorSpace, rotation: this.rotation, visibleRect: this.visibleRect, displayWidth: this.displayWidth, displayHeight: this.displayHeight })) : new n(this._data, { format: this.format, codedWidth: this.codedWidth, codedHeight: this.codedHeight, timestamp: this.timestamp, duration: this.duration, colorSpace: this.colorSpace, rotation: this.rotation, visibleRect: this.visibleRect, displayWidth: this.displayWidth, displayHeight: this.displayHeight }) } close() { this._closed || (qn?.unregister(this), Jr(this._data) ? this._data.close() : this._data = null, this._closed = !0) } allocationSize(t = {}) { if (sd(t), this._closed) throw new Error("VideoSample is closed."); if (this.format === null) throw new Error("Cannot get allocation size when format is null. Sorry!"); if (p(this._data !== null), !Jr(this._data) && (t.colorSpace || t.format && t.format !== this.format || t.layout || t.rect)) { let e = this.toVideoFrame(), r = e.allocationSize(t); return e.close(), r } return Jr(this._data) ? this._data.allocationSize(t) : this._data instanceof Uint8Array ? this._data.byteLength : this.codedWidth * this.codedHeight * 4 } async copyTo(t, e = {}) { if (!zt(t)) throw new TypeError("destination must be an ArrayBuffer or an ArrayBuffer view."); if (sd(e), this._closed) throw new Error("VideoSample is closed."); if (this.format === null) throw new Error("Cannot copy video sample data when format is null. Sorry!"); if (p(this._data !== null), !Jr(this._data) && (e.colorSpace || e.format && e.format !== this.format || e.layout || e.rect)) { let r = this.toVideoFrame(), i = await r.copyTo(t, e); return r.close(), i } if (Jr(this._data)) return this._data.copyTo(t, e); if (this._data instanceof Uint8Array) return p(this._layout), j(t).set(this._data), this._layout; { let i = this._data.getContext("2d"); p(i); let a = i.getImageData(0, 0, this.codedWidth, this.codedHeight); return j(t).set(a.data), [{ offset: 0, stride: 4 * this.codedWidth }] } } toVideoFrame() { if (this._closed) throw new Error("VideoSample is closed."); return p(this._data !== null), Jr(this._data) ? new VideoFrame(this._data, { timestamp: this.microsecondTimestamp, duration: this.microsecondDuration || void 0 }) : this._data instanceof Uint8Array ? new VideoFrame(this._data, { format: this.format, codedWidth: this.codedWidth, codedHeight: this.codedHeight, timestamp: this.microsecondTimestamp, duration: this.microsecondDuration || void 0, colorSpace: this.colorSpace }) : new VideoFrame(this._data, { timestamp: this.microsecondTimestamp, duration: this.microsecondDuration || void 0 }) } draw(t, e, r, i, a, s, o, c, u) { let l = 0, m = 0, d = this.displayWidth, f = this.displayHeight, h = 0, b = 0, g = this.displayWidth, y = this.displayHeight; if (s !== void 0 ? (l = e, m = r, d = i, f = a, h = s, b = o, c !== void 0 ? (g = c, y = u) : (g = d, y = f)) : (h = e, b = r, i !== void 0 && (g = i, y = a)), !(typeof CanvasRenderingContext2D < "u" && t instanceof CanvasRenderingContext2D || typeof OffscreenCanvasRenderingContext2D < "u" && t instanceof OffscreenCanvasRenderingContext2D)) throw new TypeError("context must be a CanvasRenderingContext2D or OffscreenCanvasRenderingContext2D."); if (!Number.isFinite(l)) throw new TypeError("sx must be a number."); if (!Number.isFinite(m)) throw new TypeError("sy must be a number."); if (!Number.isFinite(d) || d < 0) throw new TypeError("sWidth must be a non-negative number."); if (!Number.isFinite(f) || f < 0) throw new TypeError("sHeight must be a non-negative number."); if (!Number.isFinite(h)) throw new TypeError("dx must be a number."); if (!Number.isFinite(b)) throw new TypeError("dy must be a number."); if (!Number.isFinite(g) || g < 0) throw new TypeError("dWidth must be a non-negative number."); if (!Number.isFinite(y) || y < 0) throw new TypeError("dHeight must be a non-negative number."); if (this._closed) throw new Error("VideoSample is closed."); ({ sx: l, sy: m, sWidth: d, sHeight: f } = this._rotateSourceRegion(l, m, d, f, this.rotation)); let k = this.toCanvasImageSource(); t.save(); let T = h + g / 2, w = b + y / 2; t.translate(T, w), t.rotate(this.rotation * Math.PI / 180); let S = this.rotation % 180 === 0 ? 1 : g / y; t.scale(1 / S, S), t.drawImage(k, l, m, d, f, -g / 2, -y / 2, g, y), t.restore() } drawWithFit(t, e) { if (!(typeof CanvasRenderingContext2D < "u" && t instanceof CanvasRenderingContext2D || typeof OffscreenCanvasRenderingContext2D < "u" && t instanceof OffscreenCanvasRenderingContext2D)) throw new TypeError("context must be a CanvasRenderingContext2D or OffscreenCanvasRenderingContext2D."); if (!e || typeof e != "object") throw new TypeError("options must be an object."); if (!["fill", "contain", "cover"].includes(e.fit)) throw new TypeError("options.fit must be 'fill', 'contain', or 'cover'."); if (e.rotation !== void 0 && ![0, 90, 180, 270].includes(e.rotation)) throw new TypeError("options.rotation, when provided, must be 0, 90, 180, or 270."); e.crop !== void 0 && ii(e.crop, "options."); let r = t.canvas.width, i = t.canvas.height, a = e.rotation ?? this.rotation, [s, o] = a % 180 === 0 ? [this.squarePixelWidth, this.squarePixelHeight] : [this.squarePixelHeight, this.squarePixelWidth]; e.crop && ri(e.crop, s, o); let c, u, l, m, { sx: d, sy: f, sWidth: h, sHeight: b } = this._rotateSourceRegion(e.crop?.left ?? 0, e.crop?.top ?? 0, e.crop?.width ?? s, e.crop?.height ?? o, a); if (e.fit === "fill") c = 0, u = 0, l = r, m = i; else { let [y, k] = e.crop ? [e.crop.width, e.crop.height] : [s, o], T = e.fit === "contain" ? Math.min(r / y, i / k) : Math.max(r / y, i / k); l = y * T, m = k * T, c = (r - l) / 2, u = (i - m) / 2 } t.save(); let g = a % 180 === 0 ? 1 : l / m; t.translate(r / 2, i / 2), t.rotate(a * Math.PI / 180), t.scale(1 / g, g), t.translate(-r / 2, -i / 2), t.drawImage(this.toCanvasImageSource(), d, f, h, b, c, u, l, m), t.restore() } _rotateSourceRegion(t, e, r, i, a) { return a === 90 ? [t, e, r, i] = [e, this.squarePixelHeight - t - r, i, r] : a === 180 ? [t, e] = [this.squarePixelWidth - t - r, this.squarePixelHeight - e - i] : a === 270 && ([t, e, r, i] = [this.squarePixelWidth - e - i, t, i, r]), { sx: t, sy: e, sWidth: r, sHeight: i } } toCanvasImageSource() { if (this._closed) throw new Error("VideoSample is closed."); if (p(this._data !== null), this._data instanceof Uint8Array) { let t = this.toVideoFrame(); return queueMicrotask(() => t.close()), t } else return this._data } setRotation(t) { if (![0, 90, 180, 270].includes(t)) throw new TypeError("newRotation must be 0, 90, 180, or 270."); this.rotation = t } setTimestamp(t) { if (!Number.isFinite(t)) throw new TypeError("newTimestamp must be a number."); this.timestamp = t } setDuration(t) { if (!Number.isFinite(t) || t < 0) throw new TypeError("newDuration must be a non-negative number."); this.duration = t } [Symbol.dispose]() { this.close() } }, ti = class { constructor(t) { if (t !== void 0) { if (!t || typeof t != "object") throw new TypeError("init.colorSpace, when provided, must be an object."); let e = Object.keys(rt); if (t.primaries != null && !e.includes(t.primaries)) throw new TypeError(`init.colorSpace.primaries, when provided, must be one of ${e.join(", ")}.`); let r = Object.keys(it); if (t.transfer != null && !r.includes(t.transfer)) throw new TypeError(`init.colorSpace.transfer, when provided, must be one of ${r.join(", ")}.`); let i = Object.keys(nt); if (t.matrix != null && !i.includes(t.matrix)) throw new TypeError(`init.colorSpace.matrix, when provided, must be one of ${i.join(", ")}.`); if (t.fullRange != null && typeof t.fullRange != "boolean") throw new TypeError("init.colorSpace.fullRange, when provided, must be a boolean.") } this.primaries = t?.primaries ?? null, this.transfer = t?.transfer ?? null, this.matrix = t?.matrix ?? null, this.fullRange = t?.fullRange ?? null } toJSON() { return { primaries: this.primaries, transfer: this.transfer, matrix: this.matrix, fullRange: this.fullRange } } }, Jr = n => typeof VideoFrame < "u" && n instanceof VideoFrame, ri = (n, t, e) => { let r = Math.min(n.left, t), i = Math.min(n.top, e), a = Math.min(n.width, t - r), s = Math.min(n.height, e - i); return p(a >= 0), p(s >= 0), { left: r, top: i, width: a, height: s } }, ii = (n, t) => { if (!n || typeof n != "object") throw new TypeError(t + "crop, when provided, must be an object."); if (!Number.isInteger(n.left) || n.left < 0) throw new TypeError(t + "crop.left must be a non-negative integer."); if (!Number.isInteger(n.top) || n.top < 0) throw new TypeError(t + "crop.top must be a non-negative integer."); if (!Number.isInteger(n.width) || n.width < 0) throw new TypeError(t + "crop.width must be a non-negative integer."); if (!Number.isInteger(n.height) || n.height < 0) throw new TypeError(t + "crop.height must be a non-negative integer.") }, sd = n => { if (!n || typeof n != "object") throw new TypeError("options must be an object."); if (n.colorSpace !== void 0 && !["display-p3", "srgb"].includes(n.colorSpace)) throw new TypeError("options.colorSpace, when provided, must be 'display-p3' or 'srgb'."); if (n.format !== void 0 && typeof n.format != "string") throw new TypeError("options.format, when provided, must be a string."); if (n.layout !== void 0) { if (!Array.isArray(n.layout)) throw new TypeError("options.layout, when provided, must be an array."); for (let t of n.layout) { if (!t || typeof t != "object") throw new TypeError("Each entry in options.layout must be an object."); if (!Number.isInteger(t.offset) || t.offset < 0) throw new TypeError("plane.offset must be a non-negative integer."); if (!Number.isInteger(t.stride) || t.stride < 0) throw new TypeError("plane.stride must be a non-negative integer.") } } if (n.rect !== void 0) { if (!n.rect || typeof n.rect != "object") throw new TypeError("options.rect, when provided, must be an object."); if (n.rect.x !== void 0 && (!Number.isInteger(n.rect.x) || n.rect.x < 0)) throw new TypeError("options.rect.x, when provided, must be a non-negative integer."); if (n.rect.y !== void 0 && (!Number.isInteger(n.rect.y) || n.rect.y < 0)) throw new TypeError("options.rect.y, when provided, must be a non-negative integer."); if (n.rect.width !== void 0 && (!Number.isInteger(n.rect.width) || n.rect.width < 0)) throw new TypeError("options.rect.width, when provided, must be a non-negative integer."); if (n.rect.height !== void 0 && (!Number.isInteger(n.rect.height) || n.rect.height < 0)) throw new TypeError("options.rect.height, when provided, must be a non-negative integer.") } }, Jm = (n, t, e) => { let r = ef(n), i = [], a = 0; for (let s of r) { let o = Math.ceil(t / s.widthDivisor), c = Math.ceil(e / s.heightDivisor), u = o * s.sampleBytes, l = u * c; i.push({ offset: a, stride: u }), a += l } return i }, ef = n => { let t = (e, r, i, a, s) => { let o = [{ sampleBytes: e, widthDivisor: 1, heightDivisor: 1 }, { sampleBytes: r, widthDivisor: i, heightDivisor: a }, { sampleBytes: r, widthDivisor: i, heightDivisor: a }]; return s && o.push({ sampleBytes: e, widthDivisor: 1, heightDivisor: 1 }), o }; switch (n) { case "I420": return t(1, 1, 2, 2, !1); case "I420P10": case "I420P12": return t(2, 2, 2, 2, !1); case "I420A": return t(1, 1, 2, 2, !0); case "I420AP10": case "I420AP12": return t(2, 2, 2, 2, !0); case "I422": return t(1, 1, 2, 1, !1); case "I422P10": case "I422P12": return t(2, 2, 2, 1, !1); case "I422A": return t(1, 1, 2, 1, !0); case "I422AP10": case "I422AP12": return t(2, 2, 2, 1, !0); case "I444": return t(1, 1, 1, 1, !1); case "I444P10": case "I444P12": return t(2, 2, 1, 1, !1); case "I444A": return t(1, 1, 1, 1, !0); case "I444AP10": case "I444AP12": return t(2, 2, 1, 1, !0); case "NV12": return [{ sampleBytes: 1, widthDivisor: 1, heightDivisor: 1 }, { sampleBytes: 2, widthDivisor: 2, heightDivisor: 2 }]; case "RGBA": case "RGBX": case "BGRA": case "BGRX": return [{ sampleBytes: 4, widthDivisor: 1, heightDivisor: 1 }]; default: ae(n), p(!1) } }, Dc = new Set(["f32", "f32-planar", "s16", "s16-planar", "s32", "s32-planar", "u8", "u8-planar"]), Te = class n { constructor(t) { this._closed = !1; if (Hn(t)) { if (t.format === null) throw new TypeError("AudioData with null format is not supported."); this._data = t, this.format = t.format, this.sampleRate = t.sampleRate, this.numberOfFrames = t.numberOfFrames, this.numberOfChannels = t.numberOfChannels, this.timestamp = t.timestamp / 1e6, this.duration = t.numberOfFrames / t.sampleRate } else { if (!t || typeof t != "object") throw new TypeError("Invalid AudioDataInit: must be an object."); if (!Dc.has(t.format)) throw new TypeError("Invalid AudioDataInit: invalid format."); if (!Number.isFinite(t.sampleRate) || t.sampleRate <= 0) throw new TypeError("Invalid AudioDataInit: sampleRate must be > 0."); if (!Number.isInteger(t.numberOfChannels) || t.numberOfChannels === 0) throw new TypeError("Invalid AudioDataInit: numberOfChannels must be an integer > 0."); if (!Number.isFinite(t?.timestamp)) throw new TypeError("init.timestamp must be a number."); let e = t.data.byteLength / (ei(t.format) * t.numberOfChannels); if (!Number.isInteger(e)) throw new TypeError("Invalid AudioDataInit: data size is not a multiple of frame size."); this.format = t.format, this.sampleRate = t.sampleRate, this.numberOfFrames = e, this.numberOfChannels = t.numberOfChannels, this.timestamp = t.timestamp, this.duration = e / t.sampleRate; let r; if (t.data instanceof ArrayBuffer) r = new Uint8Array(t.data); else if (ArrayBuffer.isView(t.data)) r = new Uint8Array(t.data.buffer, t.data.byteOffset, t.data.byteLength); else throw new TypeError("Invalid AudioDataInit: data is not a BufferSource."); let i = this.numberOfFrames * this.numberOfChannels * ei(this.format); if (r.byteLength < i) throw new TypeError("Invalid AudioDataInit: insufficient data size."); this._data = r } qn?.register(this, { type: "audio", data: this._data }, this) } get microsecondTimestamp() { return Math.trunc(At * this.timestamp) } get microsecondDuration() { return Math.trunc(At * this.duration) } allocationSize(t) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (!Number.isInteger(t.planeIndex) || t.planeIndex < 0) throw new TypeError("planeIndex must be a non-negative integer."); if (t.format !== void 0 && !Dc.has(t.format)) throw new TypeError("Invalid format."); if (t.frameOffset !== void 0 && (!Number.isInteger(t.frameOffset) || t.frameOffset < 0)) throw new TypeError("frameOffset must be a non-negative integer."); if (t.frameCount !== void 0 && (!Number.isInteger(t.frameCount) || t.frameCount < 0)) throw new TypeError("frameCount must be a non-negative integer."); if (this._closed) throw new Error("AudioSample is closed."); let e = t.format ?? this.format, r = t.frameOffset ?? 0; if (r >= this.numberOfFrames) throw new RangeError("frameOffset out of range"); let i = t.frameCount !== void 0 ? t.frameCount : this.numberOfFrames - r; if (i > this.numberOfFrames - r) throw new RangeError("frameCount out of range"); let a = ei(e), s = qi(e); if (s && t.planeIndex >= this.numberOfChannels) throw new RangeError("planeIndex out of range"); if (!s && t.planeIndex !== 0) throw new RangeError("planeIndex out of range"); return (s ? i : i * this.numberOfChannels) * a } copyTo(t, e) { if (!zt(t)) throw new TypeError("destination must be an ArrayBuffer or an ArrayBuffer view."); if (!e || typeof e != "object") throw new TypeError("options must be an object."); if (!Number.isInteger(e.planeIndex) || e.planeIndex < 0) throw new TypeError("planeIndex must be a non-negative integer."); if (e.format !== void 0 && !Dc.has(e.format)) throw new TypeError("Invalid format."); if (e.frameOffset !== void 0 && (!Number.isInteger(e.frameOffset) || e.frameOffset < 0)) throw new TypeError("frameOffset must be a non-negative integer."); if (e.frameCount !== void 0 && (!Number.isInteger(e.frameCount) || e.frameCount < 0)) throw new TypeError("frameCount must be a non-negative integer."); if (this._closed) throw new Error("AudioSample is closed."); let { planeIndex: r, format: i, frameCount: a, frameOffset: s } = e, o = this.format, c = i ?? this.format; if (!c) throw new Error("Destination format not determined"); let u = this.numberOfFrames, l = this.numberOfChannels, m = s ?? 0; if (m >= u) throw new RangeError("frameOffset out of range"); let d = a !== void 0 ? a : u - m; if (d > u - m) throw new RangeError("frameCount out of range"); let f = ei(c), h = qi(c); if (h && r >= l) throw new RangeError("planeIndex out of range"); if (!h && r !== 0) throw new RangeError("planeIndex out of range"); let g = (h ? d : d * l) * f; if (t.byteLength < g) throw new RangeError("Destination buffer is too small"); let y = U(t), k = cd(c); if (Hn(this._data)) mr() && l > 2 && c !== o ? tf(this._data, y, o, c, l, r, m, d) : this._data.copyTo(t, { planeIndex: r, frameOffset: m, frameCount: d, format: c }); else { let T = this._data, w = U(T), S = od(o), x = ei(o), P = qi(o); for (let A = 0; A < d; A++)if (h) { let C = A * f, I; P ? I = (r * u + (A + m)) * x : I = ((A + m) * l + r) * x; let F = S(w, I); k(y, C, F) } else for (let C = 0; C < l; C++) { let F = (A * l + C) * f, v; P ? v = (C * u + (A + m)) * x : v = ((A + m) * l + C) * x; let E = S(w, v); k(y, F, E) } } } clone() { if (this._closed) throw new Error("AudioSample is closed."); if (Hn(this._data)) { let t = new n(this._data.clone()); return t.setTimestamp(this.timestamp), t } else return new n({ format: this.format, sampleRate: this.sampleRate, numberOfFrames: this.numberOfFrames, numberOfChannels: this.numberOfChannels, timestamp: this.timestamp, data: this._data }) } close() { this._closed || (qn?.unregister(this), Hn(this._data) ? this._data.close() : this._data = new Uint8Array(0), this._closed = !0) } toAudioData() { if (this._closed) throw new Error("AudioSample is closed."); if (Hn(this._data)) { if (this._data.timestamp === this.microsecondTimestamp) return this._data.clone(); if (qi(this.format)) { let t = this.allocationSize({ planeIndex: 0, format: this.format }), e = new ArrayBuffer(t * this.numberOfChannels); for (let r = 0; r < this.numberOfChannels; r++)this.copyTo(new Uint8Array(e, r * t, t), { planeIndex: r, format: this.format }); return new AudioData({ format: this.format, sampleRate: this.sampleRate, numberOfFrames: this.numberOfFrames, numberOfChannels: this.numberOfChannels, timestamp: this.microsecondTimestamp, data: e }) } else { let t = new ArrayBuffer(this.allocationSize({ planeIndex: 0, format: this.format })); return this.copyTo(t, { planeIndex: 0, format: this.format }), new AudioData({ format: this.format, sampleRate: this.sampleRate, numberOfFrames: this.numberOfFrames, numberOfChannels: this.numberOfChannels, timestamp: this.microsecondTimestamp, data: t }) } } else return new AudioData({ format: this.format, sampleRate: this.sampleRate, numberOfFrames: this.numberOfFrames, numberOfChannels: this.numberOfChannels, timestamp: this.microsecondTimestamp, data: this._data.buffer instanceof ArrayBuffer ? this._data.buffer : this._data.slice() }) } toAudioBuffer() { if (this._closed) throw new Error("AudioSample is closed."); let t = new AudioBuffer({ numberOfChannels: this.numberOfChannels, length: this.numberOfFrames, sampleRate: this.sampleRate }), e = new Float32Array(this.allocationSize({ planeIndex: 0, format: "f32-planar" }) / 4); for (let r = 0; r < this.numberOfChannels; r++)this.copyTo(e, { planeIndex: r, format: "f32-planar" }), t.copyToChannel(e, r); return t } setTimestamp(t) { if (!Number.isFinite(t)) throw new TypeError("newTimestamp must be a number."); this.timestamp = t } [Symbol.dispose]() { this.close() } static *_fromAudioBuffer(t, e) { if (!(t instanceof AudioBuffer)) throw new TypeError("audioBuffer must be an AudioBuffer."); let r = 48e3 * 5, i = t.numberOfChannels, a = t.sampleRate, s = t.length, o = Math.floor(r / i), c = 0, u = s; for (; u > 0;) { let l = Math.min(o, u), m = new Float32Array(i * l); for (let d = 0; d < i; d++)t.copyFromChannel(m.subarray(d * l, (d + 1) * l), d, c); yield new n({ format: "f32-planar", sampleRate: a, numberOfFrames: l, numberOfChannels: i, timestamp: e + c / a, data: m }), c += l, u -= l } } static fromAudioBuffer(t, e) { if (!(t instanceof AudioBuffer)) throw new TypeError("audioBuffer must be an AudioBuffer."); let r = 48e3 * 5, i = t.numberOfChannels, a = t.sampleRate, s = t.length, o = Math.floor(r / i), c = 0, u = s, l = []; for (; u > 0;) { let m = Math.min(o, u), d = new Float32Array(i * m); for (let h = 0; h < i; h++)t.copyFromChannel(d.subarray(h * m, (h + 1) * m), h, c); let f = new n({ format: "f32-planar", sampleRate: a, numberOfFrames: m, numberOfChannels: i, timestamp: e + c / a, data: d }); l.push(f), c += m, u -= m } return l } }, ei = n => { switch (n) { case "u8": case "u8-planar": return 1; case "s16": case "s16-planar": return 2; case "s32": case "s32-planar": return 4; case "f32": case "f32-planar": return 4; default: throw new Error("Unknown AudioSampleFormat") } }, qi = n => { switch (n) { case "u8-planar": case "s16-planar": case "s32-planar": case "f32-planar": return !0; default: return !1 } }, od = n => { switch (n) { case "u8": case "u8-planar": return (t, e) => (t.getUint8(e) - 128) / 128; case "s16": case "s16-planar": return (t, e) => t.getInt16(e, !0) / 32768; case "s32": case "s32-planar": return (t, e) => t.getInt32(e, !0) / 2147483648; case "f32": case "f32-planar": return (t, e) => t.getFloat32(e, !0) } }, cd = n => { switch (n) { case "u8": case "u8-planar": return (t, e, r) => t.setUint8(e, de((r + 1) * 127.5, 0, 255)); case "s16": case "s16-planar": return (t, e, r) => t.setInt16(e, de(Math.round(r * 32767), -32768, 32767), !0); case "s32": case "s32-planar": return (t, e, r) => t.setInt32(e, de(Math.round(r * 2147483647), -2147483648, 2147483647), !0); case "f32": case "f32-planar": return (t, e, r) => t.setFloat32(e, r, !0) } }, Hn = n => typeof AudioData < "u" && n instanceof AudioData, Hs = n => { switch (n) { case "u8-planar": return "u8"; case "s16-planar": return "s16"; case "s32-planar": return "s32"; case "f32-planar": return "f32"; default: return n } }, tf = (n, t, e, r, i, a, s, o) => { let c = od(e), u = cd(r), l = ei(e), m = ei(r), d = qi(e); if (qi(r)) if (d) { let h = new ArrayBuffer(o * l), b = U(h); n.copyTo(h, { planeIndex: a, frameOffset: s, frameCount: o, format: e }); for (let g = 0; g < o; g++) { let y = g * l, k = g * m, T = c(b, y); u(t, k, T) } } else { let h = new ArrayBuffer(o * i * l), b = U(h); n.copyTo(h, { planeIndex: 0, frameOffset: s, frameCount: o, format: e }); for (let g = 0; g < o; g++) { let y = (g * i + a) * l, k = g * m, T = c(b, y); u(t, k, T) } } else if (d) { let h = o * l, b = new ArrayBuffer(h), g = U(b); for (let y = 0; y < i; y++) { n.copyTo(b, { planeIndex: y, frameOffset: s, frameCount: o, format: e }); for (let k = 0; k < o; k++) { let T = k * l, w = (k * i + y) * m, S = c(g, T); u(t, w, S) } } } else { let h = new ArrayBuffer(o * i * l), b = U(h); n.copyTo(h, { planeIndex: 0, frameOffset: s, frameCount: o, format: e }); for (let g = 0; g < o; g++)for (let y = 0; y < i; y++) { let k = g * i + y, T = k * l, w = k * m, S = c(b, T); u(t, w, S) } } }, qs = (n, t) => { let e = n.allocationSize({ format: t, planeIndex: 0 }), r = new ArrayBuffer(e); return n.copyTo(r, { format: t, planeIndex: 0 }), new Te({ data: r, format: t, numberOfChannels: n.numberOfChannels, sampleRate: n.sampleRate, timestamp: n.timestamp, duration: n.duration }) }; var Ks = new Map, Gs = new Map, Qs = n => { if (!n || typeof n != "object") throw new TypeError("Encoding config must be an object."); if (!re.includes(n.codec)) throw new TypeError(`Invalid video codec '${n.codec}'. Must be one of: ${re.join(", ")}.`); if (!(n.bitrate instanceof xe) && (!Number.isInteger(n.bitrate) || n.bitrate <= 0)) throw new TypeError("config.bitrate must be a positive integer or a quality."); if (n.keyFrameInterval !== void 0 && (!Number.isFinite(n.keyFrameInterval) || n.keyFrameInterval < 0)) throw new TypeError("config.keyFrameInterval, when provided, must be a non-negative number."); if (n.sizeChangeBehavior !== void 0 && !["deny", "passThrough", "fill", "contain", "cover"].includes(n.sizeChangeBehavior)) throw new TypeError("config.sizeChangeBehavior, when provided, must be 'deny', 'passThrough', 'fill', 'contain' or 'cover'."); if (n.transform !== void 0) { if (typeof n.transform != "object" || !n.transform) throw new TypeError("config.transform, when provided, must be an object."); if (n.transform.width !== void 0 && (!Number.isInteger(n.transform.width) || n.transform.width <= 0)) throw new TypeError("config.transform.width, when provided, must be a positive integer."); if (n.transform.height !== void 0 && (!Number.isInteger(n.transform.height) || n.transform.height <= 0)) throw new TypeError("config.transform.height, when provided, must be a positive integer."); if (n.transform.fit !== void 0 && !["fill", "contain", "cover"].includes(n.transform.fit)) throw new TypeError('config.transform.fit, when provided, must be one of "fill", "contain", or "cover".'); if (n.transform.width !== void 0 && n.transform.height !== void 0 && n.transform.fit === void 0 && !["fill", "contain", "cover"].includes(n.sizeChangeBehavior)) throw new TypeError("When both config.transform.width and config.transform.height are provided, config.transform.fit must also be provided."); if (n.transform.fit !== void 0 && ["fill", "contain", "cover"].includes(n.sizeChangeBehavior)) throw new TypeError("config.transform.fit cannot be used when config.sizeChangeBehavior is 'fill', 'contain' or 'cover', as sizeChangeBehavior already determines the fitting algorithm."); if (n.transform.rotate !== void 0 && ![0, 90, 180, 270].includes(n.transform.rotate)) throw new TypeError("config.transform.rotate, when provided, must be 0, 90, 180 or 270."); if (n.transform.crop !== void 0 && ii(n.transform.crop, "config.transform."), n.transform.process !== void 0 && typeof n.transform.process != "function") throw new TypeError("config.transform.process, when provided, must be a function."); if (n.transform.frameRate !== void 0 && (!Number.isFinite(n.transform.frameRate) || n.transform.frameRate <= 0)) throw new TypeError("config.transform.frameRate, when provided, must be a finite positive number."); if (n.transform.force !== void 0 && typeof n.transform.force != "boolean") throw new TypeError("config.transform.force, when provided, must be a boolean.") } if (n.onEncodedPacket !== void 0 && typeof n.onEncodedPacket != "function") throw new TypeError("config.onEncodedPacket, when provided, must be a function."); if (n.onEncoderConfig !== void 0 && typeof n.onEncoderConfig != "function") throw new TypeError("config.onEncoderConfig, when provided, must be a function."); ud(n.codec, n) }, ud = (n, t) => { if (!t || typeof t != "object") throw new TypeError("Encoding options must be an object."); if (t.alpha !== void 0 && !["discard", "keep"].includes(t.alpha)) throw new TypeError("options.alpha, when provided, must be 'discard' or 'keep'."); if (t.bitrateMode !== void 0 && !["constant", "variable"].includes(t.bitrateMode)) throw new TypeError("bitrateMode, when provided, must be 'constant' or 'variable'."); if (t.latencyMode !== void 0 && !["quality", "realtime"].includes(t.latencyMode)) throw new TypeError("latencyMode, when provided, must be 'quality' or 'realtime'."); if (t.fullCodecString !== void 0 && typeof t.fullCodecString != "string") throw new TypeError("fullCodecString, when provided, must be a string."); if (t.fullCodecString !== void 0 && $e(t.fullCodecString) !== n) throw new TypeError(`fullCodecString, when provided, must be a string that matches the specified codec (${n}).`); if (t.hardwareAcceleration !== void 0 && !["no-preference", "prefer-hardware", "prefer-software"].includes(t.hardwareAcceleration)) throw new TypeError("hardwareAcceleration, when provided, must be 'no-preference', 'prefer-hardware' or 'prefer-software'."); if (t.scalabilityMode !== void 0 && typeof t.scalabilityMode != "string") throw new TypeError("scalabilityMode, when provided, must be a string."); if (t.contentHint !== void 0 && typeof t.contentHint != "string") throw new TypeError("contentHint, when provided, must be a string.") }, Vc = n => { let t = n.bitrate instanceof xe ? n.bitrate._toVideoBitrate(n.codec, n.width, n.height) : n.bitrate; return { codec: n.fullCodecString ?? wa(n.codec, n.width, n.height, t), width: n.width, height: n.height, displayWidth: n.squarePixelWidth, displayHeight: n.squarePixelHeight, bitrate: t, bitrateMode: n.bitrateMode, alpha: n.alpha ?? "discard", framerate: n.framerate, latencyMode: n.latencyMode, hardwareAcceleration: n.hardwareAcceleration, scalabilityMode: n.scalabilityMode, contentHint: n.contentHint, ...Yu(n.codec) } }, js = n => { if (!n || typeof n != "object") throw new TypeError("Encoding config must be an object."); if (!se.includes(n.codec)) throw new TypeError(`Invalid audio codec '${n.codec}'. Must be one of: ${se.join(", ")}.`); if (n.bitrate === void 0 && !(te.includes(n.codec) || n.codec === "flac")) throw new TypeError("config.bitrate must be provided for compressed audio codecs."); if (n.bitrate !== void 0 && !(n.bitrate instanceof xe) && (!Number.isInteger(n.bitrate) || n.bitrate <= 0)) throw new TypeError("config.bitrate, when provided, must be a positive integer or a quality."); if (n.transform !== void 0) { if (typeof n.transform != "object" || !n.transform) throw new TypeError("config.transform, when provided, must be an object."); if (n.transform.numberOfChannels !== void 0 && (!Number.isInteger(n.transform.numberOfChannels) || n.transform.numberOfChannels <= 0)) throw new TypeError("config.transform.numberOfChannels, when provided, must be a positive integer."); if (n.transform.sampleRate !== void 0 && (!Number.isInteger(n.transform.sampleRate) || n.transform.sampleRate <= 0)) throw new TypeError("config.transform.sampleRate, when provided, must be a positive integer."); if (n.transform.sampleFormat !== void 0 && !["u8", "s16", "s32", "f32"].includes(n.transform.sampleFormat)) throw new TypeError("config.transform.sampleFormat, when provided, must be one of: u8, s16, s32, f32."); if (n.transform.process !== void 0 && typeof n.transform.process != "function") throw new TypeError("config.transform.process, when provided, must be a function.") } if (n.onEncodedPacket !== void 0 && typeof n.onEncodedPacket != "function") throw new TypeError("config.onEncodedPacket, when provided, must be a function."); if (n.onEncoderConfig !== void 0 && typeof n.onEncoderConfig != "function") throw new TypeError("config.onEncoderConfig, when provided, must be a function."); ld(n.codec, n) }, ld = (n, t) => { if (!t || typeof t != "object") throw new TypeError("Encoding options must be an object."); if (t.bitrateMode !== void 0 && !["constant", "variable"].includes(t.bitrateMode)) throw new TypeError("bitrateMode, when provided, must be 'constant' or 'variable'."); if (t.fullCodecString !== void 0 && typeof t.fullCodecString != "string") throw new TypeError("fullCodecString, when provided, must be a string."); if (t.fullCodecString !== void 0 && $e(t.fullCodecString) !== n) throw new TypeError(`fullCodecString, when provided, must be a string that matches the specified codec (${n}).`) }, Uc = n => { let t = n.bitrate instanceof xe ? n.bitrate._toAudioBitrate(n.codec) : n.bitrate; return { codec: n.fullCodecString ?? Aa(n.codec, n.numberOfChannels, n.sampleRate), numberOfChannels: n.numberOfChannels, sampleRate: n.sampleRate, bitrate: t, bitrateMode: n.bitrateMode, ...Zu(n.codec) } }, xe = class { constructor(t) { this._factor = t } _toVideoBitrate(t, e, r) { let i = e * r, a = { avc: 1, hevc: .6, vp9: .6, av1: .4, vp8: 1.2 }, s = 1920 * 1080, o = 3e6, c = Math.pow(i / s, .95), m = o * c * a[t] * this._factor; return Math.ceil(m / 1e3) * 1e3 } _toAudioBitrate(t) { if (te.includes(t) || t === "flac") return; let r = { aac: 128e3, opus: 64e3, mp3: 16e4, vorbis: 64e3, ac3: 384e3, eac3: 192e3 }[t]; if (!r) throw new Error(`Unhandled codec: ${t}`); let i = r * this._factor; return t === "aac" ? i = [96e3, 128e3, 16e4, 192e3].reduce((s, o) => Math.abs(o - i) < Math.abs(s - i) ? o : s) : t === "opus" || t === "vorbis" ? i = Math.max(6e3, i) : t === "mp3" && (i = [8e3, 16e3, 24e3, 32e3, 4e4, 48e3, 64e3, 8e4, 96e3, 112e3, 128e3, 16e4, 192e3, 224e3, 256e3, 32e4].reduce((s, o) => Math.abs(o - i) < Math.abs(s - i) ? o : s)), Math.round(i / 1e3) * 1e3 } }, dd = new xe(.3), md = new xe(.6), fd = new xe(1), Kn = new xe(2), pd = new xe(4), hd = n => { if (re.includes(n)) return Gn(n); if (se.includes(n)) return Qn(n); if (Fe.includes(n)) return jn(n); throw new TypeError(`Unknown codec '${n}'.`) }, Gn = async (n, t = {}) => { let { width: e = 1280, height: r = 720, bitrate: i = 1e6, ...a } = t; if (!re.includes(n)) return !1; if (!Number.isInteger(e) || e <= 0) throw new TypeError("width must be a positive integer."); if (!Number.isInteger(r) || r <= 0) throw new TypeError("height must be a positive integer."); if (!(i instanceof xe) && (!Number.isInteger(i) || i <= 0)) throw new TypeError("bitrate must be a positive integer or a quality."); ud(n, a); let s = Vc({ codec: n, width: e, height: r, bitrate: i, framerate: void 0, ...a, alpha: "discard" }), o = JSON.stringify(s), c = Ks.get(o); if (c) return c; let u = (async () => Gi.some(d => d.supports(n, s)) ? !0 : typeof VideoEncoder > "u" || (e % 2 === 1 || r % 2 === 1) && (n === "avc" || n === "hevc") || !(await VideoEncoder.isConfigSupported(s)).supported ? !1 : xt() ? new Promise(async d => { try { let f = new VideoEncoder({ output: () => { }, error: () => d(!1) }); f.configure(s); let h = new Uint8Array(e * r * 4), b = new VideoFrame(h, { format: "RGBA", codedWidth: e, codedHeight: r, timestamp: 0 }); f.encode(b), b.close(), await f.flush(), d(!0) } catch { d(!1) } }) : !0)(); return Ks.set(o, u), u }, Qn = async (n, t = {}) => { let { numberOfChannels: e = 2, sampleRate: r = 48e3, bitrate: i = 128e3, ...a } = t; if (!se.includes(n)) return !1; if (!Number.isInteger(e) || e <= 0) throw new TypeError("numberOfChannels must be a positive integer."); if (!Number.isInteger(r) || r <= 0) throw new TypeError("sampleRate must be a positive integer."); if (!(i instanceof xe) && (!Number.isInteger(i) || i <= 0)) throw new TypeError("bitrate must be a positive integer."); ld(n, a); let s = Uc({ codec: n, numberOfChannels: e, sampleRate: r, bitrate: i, ...a }), o = JSON.stringify(s), c = Gs.get(o); if (c) return c; let u = (async () => Qi.some(m => m.supports(n, s)) || te.includes(n) ? !0 : typeof AudioEncoder > "u" ? !1 : (await AudioEncoder.isConfigSupported(s)).supported === !0)(); return Gs.set(o, u), u }, jn = async n => !!Fe.includes(n), gd = async () => { let [n, t, e] = await Promise.all([zc(), Ki(), Nc()]); return [...n, ...t, ...e] }, zc = async (n = re, t) => { let e = await Promise.all(n.map(r => Gn(r, t))); return n.filter((r, i) => e[i]) }, Ki = async (n = se, t) => { let e = await Promise.all(n.map(r => Qn(r, t))); return n.filter((r, i) => e[i]) }, Nc = async (n = Fe) => { let t = await Promise.all(n.map(jn)); return n.filter((e, r) => t[r]) }, Xs = async (n, t) => { for (let e of n) if (await Gn(e, t)) return e; return null }, bd = async (n, t) => { for (let e of n) if (await Qn(e, t)) return e; return null }, yd = async n => { for (let t of n) if (await jn(t)) return t; return null }; var Xn = class { static supports(t, e) { return !1 } }, $n = class { static supports(t, e) { return !1 } }, Yn = class { static supports(t, e) { return !1 } }, Zn = class { static supports(t, e) { return !1 } }, Pr = [], Cr = [], Gi = [], Qi = [], kd = n => { if (n.prototype instanceof Xn) { let t = n; if (Pr.includes(t)) { console.warn("Video decoder already registered."); return } Pr.push(t), Us.clear() } else if (n.prototype instanceof $n) { let t = n; if (Cr.includes(t)) { console.warn("Audio decoder already registered."); return } Cr.push(t), zs.clear() } else throw new TypeError("Decoder must be a CustomVideoDecoder or CustomAudioDecoder.") }, Td = n => { if (n.prototype instanceof Yn) { let t = n; if (Gi.includes(t)) { console.warn("Video encoder already registered."); return } Gi.push(t), Ks.clear() } else if (n.prototype instanceof Zn) { let t = n; if (Qi.includes(t)) { console.warn("Audio encoder already registered."); return } Qi.push(t), Gs.clear() } else throw new TypeError("Encoder must be a CustomVideoEncoder or CustomAudioEncoder.") }; var wd = n => { let r = n, i = 4096, a = 0, s = 12, o = 0; for (r < 0 && (r = -r, a = 128), r += 33, r > 8191 && (r = 8191); (r & i) !== i && s >= 5;)i >>= 1, s--; return o = r >> s - 4 & 15, ~(a | s - 5 << 4 | o) & 255 }, Sd = n => { let e = 0, r = 0, i = ~n; i & 128 && (i &= -129, e = -1), r = ((i & 240) >> 4) + 5; let a = (1 << r | (i & 15) << r - 4 | 1 << r - 5) - 33; return e === 0 ? a : -a }, Ad = n => { let e = 2048, r = 0, i = 11, a = 0, s = n; for (s < 0 && (s = -s, r = 128), s > 4095 && (s = 4095); (s & e) !== e && i >= 5;)e >>= 1, i--; return a = s >> (i === 4 ? 1 : i - 4) & 15, (r | i - 4 << 4 | a) ^ 85 }, xd = n => { let t = 0, e = 0, r = n ^ 85; r & 128 && (r &= -129, t = -1), e = ((r & 240) >> 4) + 4; let i = 0; return e !== 4 ? i = 1 << e | (r & 15) << e - 4 | 1 << e - 5 : i = r << 1 | 1, t === 0 ? i : -i }; var ni = n => { if (!n || typeof n != "object") throw new TypeError("options must be an object."); if (n.metadataOnly !== void 0 && typeof n.metadataOnly != "boolean") throw new TypeError("options.metadataOnly, when defined, must be a boolean."); if (n.verifyKeyPackets !== void 0 && typeof n.verifyKeyPackets != "boolean") throw new TypeError("options.verifyKeyPackets, when defined, must be a boolean."); if (n.verifyKeyPackets && n.metadataOnly) throw new TypeError("options.verifyKeyPackets and options.metadataOnly cannot be enabled together."); if (n.skipLiveWait !== void 0 && typeof n.skipLiveWait != "boolean") throw new TypeError("options.skipLiveWait, when defined, must be a boolean.") }, nr = n => { if (!fr(n)) throw new TypeError("timestamp must be a number.") }, Lc = (n, t, e) => e.verifyKeyPackets ? t.then(async r => { if (!r || r.type === "delta") return r; let i = await n.determinePacketType(r); return i && (r.type = i), r }) : t, bt = class { constructor(t) { if (!(t instanceof vr)) throw new TypeError("track must be an InputTrack."); this._track = t } async getFirstPacket(t = {}) { if (ni(t), this._track.input._disposed) throw new ke; return Lc(this._track, this._track._backing.getFirstPacket(t), t) } async getFirstKeyPacket(t = {}) { ni(t); let e = await this.getFirstPacket(t); return e ? e.type === "key" ? e : this.getNextKeyPacket(e, t) : null } async getPacket(t, e = {}) { if (nr(t), ni(e), this._track.input._disposed) throw new ke; return Lc(this._track, this._track._backing.getPacket(t, e), e) } async getNextPacket(t, e = {}) { if (!(t instanceof Q)) throw new TypeError("packet must be an EncodedPacket."); if (ni(e), this._track.input._disposed) throw new ke; return Lc(this._track, this._track._backing.getNextPacket(t, e), e) } async getKeyPacket(t, e = {}) { if (nr(t), ni(e), this._track.input._disposed) throw new ke; if (!e.verifyKeyPackets) return this._track._backing.getKeyPacket(t, e); let r = await this._track._backing.getKeyPacket(t, e); return r && (p(r.type === "key"), await this._track.determinePacketType(r) === "delta" ? this.getKeyPacket(r.timestamp - 1 / await this._track.getTimeResolution(), e) : r) } async getNextKeyPacket(t, e = {}) { if (!(t instanceof Q)) throw new TypeError("packet must be an EncodedPacket."); if (ni(e), this._track.input._disposed) throw new ke; if (!e.verifyKeyPackets) return this._track._backing.getNextKeyPacket(t, e); let r = await this._track._backing.getNextKeyPacket(t, e); return r && (p(r.type === "key"), await this._track.determinePacketType(r) === "delta" ? this.getNextKeyPacket(r, e) : r) } packets(t, e, r = {}) { if (t !== void 0 && !(t instanceof Q)) throw new TypeError("startPacket must be an EncodedPacket."); if (t !== void 0 && t.isMetadataOnly && !r?.metadataOnly) throw new TypeError("startPacket can only be metadata-only if options.metadataOnly is enabled."); if (e !== void 0 && !(e instanceof Q)) throw new TypeError("endPacket must be an EncodedPacket."); if (ni(r), this._track.input._disposed) throw new ke; let i = [], { promise: a, resolve: s } = J(), { promise: o, resolve: c } = J(), u = !1, l = !1, m = null, d = [], f = () => Math.max(2, d.length); (async () => { let b = t ?? await this.getFirstPacket(r); for (; b && !l && !this._track.input._disposed && !(e && b.sequenceNumber >= e?.sequenceNumber);) { if (i.length > f()) { ({ promise: o, resolve: c } = J()), await o; continue } i.push(b), s(), { promise: a, resolve: s } = J(), b = await this.getNextPacket(b, r) } u = !0, s() })().catch(b => { m || (m = b, s()) }); let h = this._track; return { async next() { for (; ;) { if (h.input._disposed) throw new ke; if (l) return { value: void 0, done: !0 }; if (m) throw m; if (i.length > 0) { let b = i.shift(), g = performance.now(); for (d.push(g); d.length > 0 && g - d[0] >= 1e3;)d.shift(); return c(), { value: b, done: !1 } } else { if (u) return { value: void 0, done: !0 }; await a } } }, async return() { return l = !0, c(), s(), { value: void 0, done: !0 } }, async throw(b) { throw b }, [Symbol.asyncIterator]() { return this } } } }, Jn = class { constructor(t, e) { this.onSample = t; this.onError = e } }, ji = class { mediaSamplesInRange(t = 0, e = 1 / 0, r) { nr(t), nr(e); let i = [], a = !1, s = null, { promise: o, resolve: c } = J(), { promise: u, resolve: l } = J(), m = !1, d = !1, f = !1, h = null, b = { ...r, verifyKeyPackets: !0, metadataOnly: !1 }; (async () => { let k = await this._createDecoder(A => { if (l(), A.timestamp >= e && (d = !0), d) { A.close(); return } s && (A.timestamp > t ? (i.push(s), a = !0) : s.close()), A.timestamp >= t && (i.push(A), a = !0), s = a ? null : A, i.length > 0 && (c(), { promise: o, resolve: c } = J()) }, A => { h || (h = A, c()) }), T = this._createPacketSink(), w = await T.getKeyPacket(t, b) ?? await T.getFirstKeyPacket(b), S = w, P = T.packets(w ?? void 0, void 0, b); for (await P.next(); S && !d && !this._track.input._disposed;) { let A = Pd(i.length); if (i.length + k.getDecodeQueueSize() > A) { ({ promise: u, resolve: l } = J()), await u; continue } k.decode(S); let C = await P.next(); if (C.done) break; S = C.value } await P.return(), !f && !this._track.input._disposed && await k.flush(), k.close(), !a && s && i.push(s), m = !0, c() })().catch(k => { h || (h = k, c()) }); let g = this._track, y = () => { s?.close(); for (let k of i) k.close() }; return { async next() { for (; ;) { if (g.input._disposed) throw y(), new ke; if (f) return { value: void 0, done: !0 }; if (h) throw y(), h; if (i.length > 0) { let k = i.shift(); return l(), { value: k, done: !1 } } else if (!m) await o; else return { value: void 0, done: !0 } } }, async return() { return f = !0, d = !0, l(), c(), y(), { value: void 0, done: !0 } }, async throw(k) { throw k }, [Symbol.asyncIterator]() { return this } } } mediaSamplesAtTimestamps(t, e) { Pu(t); let r = xu(t), i = [], a = [], { promise: s, resolve: o } = J(), { promise: c, resolve: u } = J(), l = !1, m = !1, d = null, f = y => { a.push(y), o(), { promise: s, resolve: o } = J() }, h = { ...e, verifyKeyPackets: !0, metadataOnly: !1 }; (async () => { let y = await this._createDecoder(A => { if (u(), m) { A.close(); return } let C = 0; for (; i.length > 0 && A.timestamp - i[0] > -1e-10;)C++, i.shift(); if (C > 0) for (let I = 0; I < C; I++)f(I < C - 1 ? A.clone() : A); else A.close() }, A => { d || (d = A, o()) }), k = this._createPacketSink(), T = null, w = null, S = -1, x = async () => { p(w); let A = w; for (y.decode(A); A.sequenceNumber < S;) { let C = Pd(a.length); for (; a.length + y.getDecodeQueueSize() > C && !m;)({ promise: c, resolve: u } = J()), await c; if (m) break; let I = await k.getNextPacket(A, h); p(I), y.decode(I), A = I } S = -1 }, P = async () => { await y.flush(); for (let A = 0; A < i.length; A++)f(null); i.length = 0 }; for await (let A of r) { if (nr(A), m || this._track.input._disposed) break; let C = await k.getPacket(A, h), I = C && await k.getKeyPacket(A, h); if (!I) { S !== -1 && (await x(), await P()), f(null), T = null; continue } T && (I.sequenceNumber !== w.sequenceNumber || C.timestamp < T.timestamp) && (await x(), await P()), i.push(C.timestamp), S = Math.max(C.sequenceNumber, S), T = C, w = I } !m && !this._track.input._disposed && (S !== -1 && await x(), await P()), y.close(), l = !0, o() })().catch(y => { d || (d = y, o()) }); let b = this._track, g = () => { for (let y of a) y?.close() }; return { async next() { for (; ;) { if (b.input._disposed) throw g(), new ke; if (m) return { value: void 0, done: !0 }; if (d) throw g(), d; if (a.length > 0) { let y = a.shift(); return p(y !== void 0), u(), { value: y, done: !1 } } else if (!l) await s; else return { value: void 0, done: !0 } } }, async return() { return m = !0, u(), o(), g(), { value: void 0, done: !0 } }, async throw(y) { throw y }, [Symbol.asyncIterator]() { return this } } } }, Pd = n => n === 0 ? 40 : 8, Wc = class extends Jn { constructor(e, r, i, a, s, o) { super(e, r); this.codec = i; this.decoderConfig = a; this.rotation = s; this.timeResolution = o; this.decoder = null; this.customDecoder = null; this.customDecoderCallSerializer = new cr; this.customDecoderQueueSize = 0; this.inputTimestamps = []; this.sampleQueue = []; this.currentPacketIndex = 0; this.raslSkipped = !1; this.alphaDecoder = null; this.alphaHadKeyframe = !1; this.colorQueue = []; this.alphaQueue = []; this.merger = null; this.mergerCreationFailed = !1; this.decodedAlphaChunkCount = 0; this.alphaDecoderQueueSize = 0; this.nullAlphaFrameQueue = []; this.currentAlphaPacketIndex = 0; this.alphaRaslSkipped = !1; let c = Pr.find(u => u.supports(i, a)); if (c) this.customDecoder = new c, this.customDecoder.codec = i, this.customDecoder.config = a, this.customDecoder.onSample = u => { if (!(u instanceof me)) throw new TypeError("The argument passed to onSample must be a VideoSample."); this.finalizeAndEmitSample(u) }, this.customDecoderCallSerializer.call(() => this.customDecoder.init()); else { let u = m => { if (this.alphaQueue.length > 0) { let d = this.alphaQueue.shift(); p(d !== void 0), this.mergeAlpha(m, d) } else this.colorQueue.push(m) }; if (i === "avc" && this.decoderConfig.description && cn()) { let m = Ra(j(this.decoderConfig.description)); if (m && m.sequenceParameterSets.length > 0) { let d = pn(m.sequenceParameterSets[0]); d && d.frameMbsOnlyFlag === 0 && (this.decoderConfig = { ...this.decoderConfig, hardwareAcceleration: "prefer-software" }) } } let l = new Error("Decoding error").stack; this.decoder = new VideoDecoder({ output: m => { try { u(m) } catch (d) { this.onError(d) } }, error: m => { m.stack = l, this.onError(m) } }), this.decoder.configure(this.decoderConfig) } } getDecodeQueueSize() { return this.customDecoder ? this.customDecoderQueueSize : (p(this.decoder), Math.max(this.decoder.decodeQueueSize, this.alphaDecoder?.decodeQueueSize ?? 0)) } decode(e) { if (this.codec === "hevc" && this.currentPacketIndex > 0 && !this.raslSkipped) { if (this.hasHevcRaslPicture(e.data)) return; this.raslSkipped = !0 } if (this.customDecoder) this.customDecoderQueueSize++, this.customDecoderCallSerializer.call(() => this.customDecoder.decode(e)).then(() => this.customDecoderQueueSize--); else { if (p(this.decoder), mr() || No(this.inputTimestamps, e.timestamp, r => r), cn() && this.currentPacketIndex === 0) { if (this.codec === "avc") { let r = []; for (let a of Qo(e.data, this.decoderConfig)) { let s = jt(e.data[a.offset]); s >= 20 && s <= 31 || r.push(e.data.subarray(a.offset, a.offset + a.length)) } let i = il(r, this.decoderConfig); e = new Q(i, e.type, e.timestamp, e.duration) } else if (this.codec === "hevc") { let r = cl(e.data, this.decoderConfig); r && (e = new Q(r, e.type, e.timestamp, e.duration)) } } this.decoder.decode(e.toEncodedVideoChunk()), this.decodeAlphaData(e) } this.currentPacketIndex++ } decodeAlphaData(e) { if (!e.sideData.alpha || this.mergerCreationFailed) { this.pushNullAlphaFrame(); return } if (!this.merger) try { this.merger = new Hc } catch (i) { console.error("Due to an error, only color data will be decoded.", i), this.mergerCreationFailed = !0, this.decodeAlphaData(e); return } if (!this.alphaDecoder) { let i = s => { if (this.alphaDecoderQueueSize--, this.colorQueue.length > 0) { let o = this.colorQueue.shift(); p(o !== void 0), this.mergeAlpha(o, s) } else this.alphaQueue.push(s); for (this.decodedAlphaChunkCount++; this.nullAlphaFrameQueue.length > 0 && this.nullAlphaFrameQueue[0] === this.decodedAlphaChunkCount;)if (this.nullAlphaFrameQueue.shift(), this.colorQueue.length > 0) { let o = this.colorQueue.shift(); p(o !== void 0), this.mergeAlpha(o, null) } else this.alphaQueue.push(null) }, a = new Error("Decoding error").stack; this.alphaDecoder = new VideoDecoder({ output: s => { try { i(s) } catch (o) { this.onError(o) } }, error: s => { s.stack = a, this.onError(s) } }), this.alphaDecoder.configure(this.decoderConfig) } let r = Pi(this.codec, this.decoderConfig, e.sideData.alpha); if (this.alphaHadKeyframe || (this.alphaHadKeyframe = r === "key"), this.alphaHadKeyframe) { if (this.codec === "hevc" && this.currentAlphaPacketIndex > 0 && !this.alphaRaslSkipped) { if (this.hasHevcRaslPicture(e.sideData.alpha)) { this.pushNullAlphaFrame(); return } this.alphaRaslSkipped = !0 } this.currentAlphaPacketIndex++, this.alphaDecoder.decode(e.alphaToEncodedVideoChunk(r ?? e.type)), this.alphaDecoderQueueSize++ } else this.pushNullAlphaFrame() } pushNullAlphaFrame() { this.alphaDecoderQueueSize === 0 ? this.alphaQueue.push(null) : this.nullAlphaFrameQueue.push(this.decodedAlphaChunkCount + this.alphaDecoderQueueSize) } hasHevcRaslPicture(e) { for (let r of mn(e, this.decoderConfig)) { let i = ct(e[r.offset]); if (i === 8 || i === 9) return !0 } return !1 } sampleHandler(e) { if (mr()) { if (this.sampleQueue.length > 0 && e.timestamp >= X(this.sampleQueue).timestamp) { for (let r of this.sampleQueue) this.finalizeAndEmitSample(r); this.sampleQueue.length = 0 } No(this.sampleQueue, e, r => r.timestamp) } else { let r = this.inputTimestamps.shift(); p(r !== void 0), e.setTimestamp(r), this.finalizeAndEmitSample(e) } } finalizeAndEmitSample(e) { e.setTimestamp(Math.round(e.timestamp * this.timeResolution) / this.timeResolution), e.setDuration(Math.round(e.duration * this.timeResolution) / this.timeResolution), e.setRotation(this.rotation), this.onSample(e) } mergeAlpha(e, r) { if (!r) { let s = new me(e); this.sampleHandler(s); return } p(this.merger), this.merger.update(e, r), e.close(), r.close(); let i = new VideoFrame(this.merger.canvas, { timestamp: e.timestamp, duration: e.duration ?? void 0 }), a = new me(i); this.sampleHandler(a) } async flush() { if (this.customDecoder ? await this.customDecoderCallSerializer.call(() => this.customDecoder.flush()) : (p(this.decoder), await Promise.all([this.decoder.flush(), this.alphaDecoder?.flush()]), this.colorQueue.forEach(e => e.close()), this.colorQueue.length = 0, this.alphaQueue.forEach(e => e?.close()), this.alphaQueue.length = 0, this.alphaHadKeyframe = !1, this.decodedAlphaChunkCount = 0, this.alphaDecoderQueueSize = 0, this.nullAlphaFrameQueue.length = 0, this.currentAlphaPacketIndex = 0, this.alphaRaslSkipped = !1), mr()) { for (let e of this.sampleQueue) this.finalizeAndEmitSample(e); this.sampleQueue.length = 0 } this.currentPacketIndex = 0, this.raslSkipped = !1 } close() { this.customDecoder ? this.customDecoderCallSerializer.call(() => this.customDecoder.close()) : (p(this.decoder), this.decoder.close(), this.alphaDecoder?.close(), this.colorQueue.forEach(e => e.close()), this.colorQueue.length = 0, this.alphaQueue.forEach(e => e?.close()), this.alphaQueue.length = 0, this.merger?.close()); for (let e of this.sampleQueue) e.close(); this.sampleQueue.length = 0 } }, Hc = class {
constructor() { typeof OffscreenCanvas < "u" ? this.canvas = new OffscreenCanvas(300, 150) : this.canvas = document.createElement("canvas"); let t = this.canvas.getContext("webgl2", { premultipliedAlpha: !1 }); if (!t) throw new Error("Couldn't acquire WebGL 2 context."); this.gl = t, this.program = this.createProgram(), this.vao = this.createVAO(), this.colorTexture = this.createTexture(), this.alphaTexture = this.createTexture(), this.gl.useProgram(this.program), this.gl.uniform1i(this.gl.getUniformLocation(this.program, "u_colorTexture"), 0), this.gl.uniform1i(this.gl.getUniformLocation(this.program, "u_alphaTexture"), 1) } createProgram() {
let t = this.createShader(this.gl.VERTEX_SHADER, `#version 300 es
in vec2 a_position;
in vec2 a_texCoord;
out vec2 v_texCoord;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
v_texCoord = a_texCoord;
}
`), e = this.createShader(this.gl.FRAGMENT_SHADER, `#version 300 es
precision highp float;
uniform sampler2D u_colorTexture;
uniform sampler2D u_alphaTexture;
in vec2 v_texCoord;
out vec4 fragColor;
void main() {
vec3 color = texture(u_colorTexture, v_texCoord).rgb;
float alpha = texture(u_alphaTexture, v_texCoord).r;
fragColor = vec4(color, alpha);
}
`), r = this.gl.createProgram(); return this.gl.attachShader(r, t), this.gl.attachShader(r, e), this.gl.linkProgram(r), r
} createShader(t, e) { let r = this.gl.createShader(t); return this.gl.shaderSource(r, e), this.gl.compileShader(r), r } createVAO() { let t = this.gl.createVertexArray(); this.gl.bindVertexArray(t); let e = new Float32Array([-1, -1, 0, 1, 1, -1, 1, 1, -1, 1, 0, 0, 1, 1, 1, 0]), r = this.gl.createBuffer(); this.gl.bindBuffer(this.gl.ARRAY_BUFFER, r), this.gl.bufferData(this.gl.ARRAY_BUFFER, e, this.gl.STATIC_DRAW); let i = this.gl.getAttribLocation(this.program, "a_position"), a = this.gl.getAttribLocation(this.program, "a_texCoord"); return this.gl.enableVertexAttribArray(i), this.gl.vertexAttribPointer(i, 2, this.gl.FLOAT, !1, 16, 0), this.gl.enableVertexAttribArray(a), this.gl.vertexAttribPointer(a, 2, this.gl.FLOAT, !1, 16, 8), t } createTexture() { let t = this.gl.createTexture(); return this.gl.bindTexture(this.gl.TEXTURE_2D, t), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, this.gl.CLAMP_TO_EDGE), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, this.gl.CLAMP_TO_EDGE), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.LINEAR), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MAG_FILTER, this.gl.LINEAR), t } update(t, e) { (t.displayWidth !== this.canvas.width || t.displayHeight !== this.canvas.height) && (this.canvas.width = t.displayWidth, this.canvas.height = t.displayHeight), this.gl.activeTexture(this.gl.TEXTURE0), this.gl.bindTexture(this.gl.TEXTURE_2D, this.colorTexture), this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, t), this.gl.activeTexture(this.gl.TEXTURE1), this.gl.bindTexture(this.gl.TEXTURE_2D, this.alphaTexture), this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, e), this.gl.viewport(0, 0, this.canvas.width, this.canvas.height), this.gl.clear(this.gl.COLOR_BUFFER_BIT), this.gl.bindVertexArray(this.vao), this.gl.drawArrays(this.gl.TRIANGLE_STRIP, 0, 4) } close() { this.gl.getExtension("WEBGL_lose_context")?.loseContext(), this.gl = null }
}, Ir = class extends ji { constructor(t) { if (!(t instanceof vt)) throw new TypeError("videoTrack must be an InputVideoTrack."); super(), this._track = t } async _createDecoder(t, e) { if (!await this._track.canDecode()) throw new Error("This video track cannot be decoded by this browser. Make sure to check decodability before using a track."); let r = await this._track.getCodec(), i = await this._track.getRotation(), a = await this._track.getDecoderConfig(), s = await this._track.getTimeResolution(); return p(r && a), new Wc(t, e, r, a, i, s) } _createPacketSink() { return new bt(this._track) } async getSample(t, e = {}) { nr(t); for await (let r of this.mediaSamplesAtTimestamps([t], e)) return r; throw new Error("Internal error: Iterator returned nothing.") } samples(t = 0, e = 1 / 0, r = {}) { return this.mediaSamplesInRange(t, e, r) } samplesAtTimestamps(t, e = {}) { return this.mediaSamplesAtTimestamps(t, e) } }, Xi = class { constructor(t, e = {}) { this._rotation = 0; this._initPromise = null; this._nextCanvasIndex = 0; if (!(t instanceof vt)) throw new TypeError("videoTrack must be an InputVideoTrack."); if (e && typeof e != "object") throw new TypeError("options must be an object."); if (e.alpha !== void 0 && typeof e.alpha != "boolean") throw new TypeError("options.alpha, when provided, must be a boolean."); if (e.width !== void 0 && (!Number.isInteger(e.width) || e.width <= 0)) throw new TypeError("options.width, when defined, must be a positive integer."); if (e.height !== void 0 && (!Number.isInteger(e.height) || e.height <= 0)) throw new TypeError("options.height, when defined, must be a positive integer."); if (e.fit !== void 0 && !["fill", "contain", "cover"].includes(e.fit)) throw new TypeError('options.fit, when provided, must be one of "fill", "contain", or "cover".'); if (e.width !== void 0 && e.height !== void 0 && e.fit === void 0) throw new TypeError("When both options.width and options.height are provided, options.fit must also be provided."); if (e.rotation !== void 0 && ![0, 90, 180, 270].includes(e.rotation)) throw new TypeError("options.rotation, when provided, must be 0, 90, 180 or 270."); if (e.crop !== void 0 && ii(e.crop, "options."), e.poolSize !== void 0 && (typeof e.poolSize != "number" || !Number.isInteger(e.poolSize) || e.poolSize < 0)) throw new TypeError("poolSize must be a non-negative integer."); this._videoTrack = t, this._alpha = e.alpha ?? !1, this._options = e, this._fit = e.fit ?? "fill", this._videoSampleSink = new Ir(t), this._canvasPool = Array.from({ length: e.poolSize ?? 0 }, () => null) } _ensureInit() { return this._initPromise ??= (async () => { let t = this._options, e = this._videoTrack, r = t.rotation ?? await e.getRotation(), i = await e.getSquarePixelWidth(), a = await e.getSquarePixelHeight(), [s, o] = r % 180 === 0 ? [i, a] : [a, i], c = t.crop; c && (c = ri(c, s, o)); let [u, l] = c ? [c.width, c.height] : [s, o], m = u / l; t.width !== void 0 && t.height === void 0 ? (u = t.width, l = Math.round(u / m)) : t.width === void 0 && t.height !== void 0 ? (l = t.height, u = Math.round(l * m)) : t.width !== void 0 && t.height !== void 0 && (u = t.width, l = t.height), this._width = u, this._height = l, this._rotation = r, this._crop = c })() } _videoSampleToWrappedCanvas(t) { let e = this._width, r = this._height, i = this._canvasPool[this._nextCanvasIndex], a = !1; i || (typeof document < "u" ? (i = document.createElement("canvas"), i.width = e, i.height = r) : i = new OffscreenCanvas(e, r), this._canvasPool.length > 0 && (this._canvasPool[this._nextCanvasIndex] = i), a = !0), this._canvasPool.length > 0 && (this._nextCanvasIndex = (this._nextCanvasIndex + 1) % this._canvasPool.length); let s = i.getContext("2d", { alpha: this._alpha || xt() }); p(s), s.resetTransform(), a || (!this._alpha && xt() ? (s.fillStyle = "black", s.fillRect(0, 0, e, r)) : s.clearRect(0, 0, e, r)), t.drawWithFit(s, { fit: this._fit, rotation: this._rotation, crop: this._crop }); let o = { canvas: i, timestamp: t.timestamp, duration: t.duration }; return t.close(), o } async getCanvas(t, e) { nr(t), await this._ensureInit(); let r = await this._videoSampleSink.getSample(t, e); return r && this._videoSampleToWrappedCanvas(r) } async*canvases(t = 0, e = 1 / 0, r) { await this._ensureInit(), yield* on(this._videoSampleSink.samples(t, e, r), i => this._videoSampleToWrappedCanvas(i)) } async*canvasesAtTimestamps(t, e) { await this._ensureInit(), yield* on(this._videoSampleSink.samplesAtTimestamps(t, e), r => r && this._videoSampleToWrappedCanvas(r)) } }, qc = class extends Jn { constructor(e, r, i, a) { super(e, r); this.decoder = null; this.customDecoder = null; this.customDecoderCallSerializer = new cr; this.customDecoderQueueSize = 0; this.currentTimestamp = null; let s = c => { (this.currentTimestamp === null || Math.abs(c.timestamp - this.currentTimestamp) >= c.duration) && (this.currentTimestamp = c.timestamp); let u = this.currentTimestamp; if (this.currentTimestamp += c.duration, c.numberOfFrames === 0) { c.close(); return } let l = a.sampleRate; c.setTimestamp(Math.round(u * l) / l), e(c) }, o = Cr.find(c => c.supports(i, a)); if (o) this.customDecoder = new o, this.customDecoder.codec = i, this.customDecoder.config = a, this.customDecoder.onSample = c => { if (!(c instanceof Te)) throw new TypeError("The argument passed to onSample must be an AudioSample."); s(c) }, this.customDecoderCallSerializer.call(() => this.customDecoder.init()); else { let c = new Error("Decoding error").stack; this.decoder = new AudioDecoder({ output: u => { try { s(new Te(u)) } catch (l) { this.onError(l) } }, error: u => { u.stack = c, this.onError(u) } }), this.decoder.configure(a) } } getDecodeQueueSize() { return this.customDecoder ? this.customDecoderQueueSize : (p(this.decoder), this.decoder.decodeQueueSize) } decode(e) { this.customDecoder ? (this.customDecoderQueueSize++, this.customDecoderCallSerializer.call(() => this.customDecoder.decode(e)).then(() => this.customDecoderQueueSize--)) : (p(this.decoder), this.decoder.decode(e.toEncodedAudioChunk())) } flush() { return this.customDecoder ? this.customDecoderCallSerializer.call(() => this.customDecoder.flush()) : (p(this.decoder), this.decoder.flush()) } close() { this.customDecoder ? this.customDecoderCallSerializer.call(() => this.customDecoder.close()) : (p(this.decoder), this.decoder.close()) } }, Kc = class extends Jn { constructor(e, r, i) { super(e, r); this.decoderConfig = i; this.currentTimestamp = null; p(te.includes(i.codec)), this.codec = i.codec; let { dataType: a, sampleSize: s, littleEndian: o } = Ae(this.codec); switch (this.inputSampleSize = s, s) { case 1: a === "unsigned" ? this.readInputValue = (c, u) => c.getUint8(u) - 2 ** 7 : a === "signed" ? this.readInputValue = (c, u) => c.getInt8(u) : a === "ulaw" ? this.readInputValue = (c, u) => Sd(c.getUint8(u)) : a === "alaw" ? this.readInputValue = (c, u) => xd(c.getUint8(u)) : p(!1); break; case 2: a === "unsigned" ? this.readInputValue = (c, u) => c.getUint16(u, o) - 2 ** 15 : a === "signed" ? this.readInputValue = (c, u) => c.getInt16(u, o) : p(!1); break; case 3: a === "unsigned" ? this.readInputValue = (c, u) => Lr(c, u, o) - 2 ** 23 : a === "signed" ? this.readInputValue = (c, u) => Cu(c, u, o) : p(!1); break; case 4: a === "unsigned" ? this.readInputValue = (c, u) => c.getUint32(u, o) - 2 ** 31 : a === "signed" ? this.readInputValue = (c, u) => c.getInt32(u, o) : a === "float" ? this.readInputValue = (c, u) => c.getFloat32(u, o) : p(!1); break; case 8: a === "float" ? this.readInputValue = (c, u) => c.getFloat64(u, o) : p(!1); break; default: ae(s), p(!1) }switch (s) { case 1: a === "ulaw" || a === "alaw" ? (this.outputSampleSize = 2, this.outputFormat = "s16", this.writeOutputValue = (c, u, l) => c.setInt16(u, l, !0)) : (this.outputSampleSize = 1, this.outputFormat = "u8", this.writeOutputValue = (c, u, l) => c.setUint8(u, l + 2 ** 7)); break; case 2: this.outputSampleSize = 2, this.outputFormat = "s16", this.writeOutputValue = (c, u, l) => c.setInt16(u, l, !0); break; case 3: this.outputSampleSize = 4, this.outputFormat = "s32", this.writeOutputValue = (c, u, l) => c.setInt32(u, l << 8, !0); break; case 4: this.outputSampleSize = 4, a === "float" ? (this.outputFormat = "f32", this.writeOutputValue = (c, u, l) => c.setFloat32(u, l, !0)) : (this.outputFormat = "s32", this.writeOutputValue = (c, u, l) => c.setInt32(u, l, !0)); break; case 8: this.outputSampleSize = 4, this.outputFormat = "f32", this.writeOutputValue = (c, u, l) => c.setFloat32(u, l, !0); break; default: ae(s), p(!1) } } getDecodeQueueSize() { return 0 } decode(e) { let r = U(e.data), i = e.byteLength / this.decoderConfig.numberOfChannels / this.inputSampleSize, a = i * this.decoderConfig.numberOfChannels * this.outputSampleSize, s = new ArrayBuffer(a), o = new DataView(s); for (let m = 0; m < i * this.decoderConfig.numberOfChannels; m++) { let d = m * this.inputSampleSize, f = m * this.outputSampleSize, h = this.readInputValue(r, d); this.writeOutputValue(o, f, h) } let c = i / this.decoderConfig.sampleRate; (this.currentTimestamp === null || Math.abs(e.timestamp - this.currentTimestamp) >= c) && (this.currentTimestamp = e.timestamp); let u = this.currentTimestamp; this.currentTimestamp += c; let l = new Te({ format: this.outputFormat, data: s, numberOfChannels: this.decoderConfig.numberOfChannels, sampleRate: this.decoderConfig.sampleRate, numberOfFrames: i, timestamp: u }); this.onSample(l) } async flush() { } close() { } }, Er = class extends ji { constructor(t) { if (!(t instanceof _t)) throw new TypeError("audioTrack must be an InputAudioTrack."); super(), this._track = t } async _createDecoder(t, e) { if (!await this._track.canDecode()) throw new Error("This audio track cannot be decoded by this browser. Make sure to check decodability before using a track."); let r = await this._track.getCodec(), i = await this._track.getDecoderConfig(); return p(r && i), te.includes(i.codec) ? new Kc(t, e, i) : new qc(t, e, r, i) } _createPacketSink() { return new bt(this._track) } async getSample(t, e = {}) { nr(t); for await (let r of this.mediaSamplesAtTimestamps([t], e)) return r; throw new Error("Internal error: Iterator returned nothing.") } samples(t = 0, e = 1 / 0, r = {}) { return this.mediaSamplesInRange(t, e, r) } samplesAtTimestamps(t, e = {}) { return this.mediaSamplesAtTimestamps(t, e) } }, $s = class { constructor(t) { if (!(t instanceof _t)) throw new TypeError("audioTrack must be an InputAudioTrack."); this._audioSampleSink = new Er(t) } _audioSampleToWrappedArrayBuffer(t) { let e = { buffer: t.toAudioBuffer(), timestamp: t.timestamp, duration: t.duration }; return t.close(), e } async getBuffer(t, e) { nr(t); let r = await this._audioSampleSink.getSample(t, e); return r && this._audioSampleToWrappedArrayBuffer(r) } buffers(t = 0, e = 1 / 0, r) { return on(this._audioSampleSink.samples(t, e, r), i => this._audioSampleToWrappedArrayBuffer(i)) } buffersAtTimestamps(t, e) { return on(this._audioSampleSink.samplesAtTimestamps(t, e), r => r && this._audioSampleToWrappedArrayBuffer(r)) } }; var vr = class n { constructor(t, e) { this.input = t, this._backing = e } isVideoTrack() { return this instanceof vt } isAudioTrack() { return this instanceof _t } get id() { return this._backing.getId() } get number() { return this._backing.getNumber() } async getInternalCodecId() { return this._backing.getInternalCodecId() } get internalCodecId() { return le(this._backing.getInternalCodecId(), "internalCodecId", "getInternalCodecId") } async getLanguageCode() { return this._backing.getLanguageCode() } get languageCode() { return le(this._backing.getLanguageCode(), "languageCode", "getLanguageCode") } async getName() { return this._backing.getName() } get name() { return le(this._backing.getName(), "name", "getName") } async getTimeResolution() { return this._backing.getTimeResolution() } get timeResolution() { return le(this._backing.getTimeResolution(), "timeResolution", "getTimeResolution") } async isRelativeToUnixEpoch() { return this._backing.isRelativeToUnixEpoch() } async getDisposition() { return this._backing.getDisposition() } get disposition() { return le(this._backing.getDisposition(), "disposition", "getDisposition") } async getBitrate() { return this._backing.getBitrate() } async getAverageBitrate() { return this._backing.getAverageBitrate() } async getFirstTimestamp() { return (await this._backing.getFirstPacket({ metadataOnly: !0 }))?.timestamp ?? 0 } async computeDuration(t) { let e = await this._backing.getPacket(1 / 0, { metadataOnly: !0, ...t }), r = (e?.timestamp ?? 0) + (e?.duration ?? 0); return St(r, await this.getTimeResolution()) } async getDurationFromMetadata(t = {}) { return this._backing.getDurationFromMetadata(t) } async computePacketStats(t = 1 / 0, e) { let r = new bt(this), i = 1 / 0, a = -1 / 0, s = 0, o = 0; for await (let c of r.packets(void 0, void 0, { metadataOnly: !0, ...e })) { if (s >= t && c.timestamp >= a) break; i = Math.min(i, c.timestamp), a = Math.max(a, c.timestamp + c.duration), s++, o += c.byteLength } return { packetCount: s, averagePacketRate: s ? Number((s / (a - i)).toPrecision(16)) : 0, averageBitrate: s ? Number((8 * o / (a - i)).toPrecision(16)) : 0 } } async isLive() { return await this._backing.getLiveRefreshInterval() !== null } async getLiveRefreshInterval() { return this._backing.getLiveRefreshInterval() } canBePairedWith(t) { if (!(t instanceof n)) throw new TypeError("other must be an InputTrack."); return this.input !== t.input || this === t ? !1 : (this._backing.getPairingMask() & t._backing.getPairingMask()) !== 0n } async getPairableTracks(t) { return this.input.getTracks(_r({ filter: e => e.canBePairedWith(this) }, t)) } async getPairableVideoTracks(t) { return this.input.getVideoTracks(_r({ filter: e => e.canBePairedWith(this) }, t)) } async getPairableAudioTracks(t) { return this.input.getAudioTracks(_r({ filter: e => e.canBePairedWith(this) }, t)) } async getPrimaryPairableVideoTrack(t) { return this.input.getPrimaryVideoTrack(_r({ filter: e => e.canBePairedWith(this) }, t)) } async getPrimaryPairableAudioTrack(t) { return this.input.getPrimaryAudioTrack(_r({ filter: e => e.canBePairedWith(this) }, t)) } async hasPairableTrack(t) { t &&= Gc(t); let e = await this.input.getTracks(); for (let r of e) if (this.canBePairedWith(r) && (!t || await t(r))) return !0; return !1 } hasPairableVideoTrack(t) { return t &&= Gc(t), this.hasPairableTrack(async e => e.isVideoTrack() && (!t || await t(e))) } hasPairableAudioTrack(t) { return t &&= Gc(t), this.hasPairableTrack(async e => e.isAudioTrack() && (!t || await t(e))) } }, le = (n, t, e) => { if (n instanceof Promise) throw new Error(`'${t}' is deprecated and not available synchronously for this track. Use the preferred '${e}()' instead.`); return n }, Gc = n => { if (n !== void 0 && typeof n != "function") throw new TypeError("predicate, when provided, must be a function."); return n ? t => { let e = i => { if (typeof i != "boolean") throw new TypeError("predicate must return or resolve to a boolean value."); return i }, r = n(t); return r instanceof Promise ? r.then(e) : e(r) } : void 0 }, vt = class extends vr { constructor(e, r) { super(e, r); this._pixelAspectRatioCache = null; this._backing = r } get type() { return "video" } async getCodec() { return this._backing.getCodec() } get codec() { return le(this._backing.getCodec(), "codec", "getCodec") } async hasOnlyKeyPackets() { return await this._backing.getHasOnlyKeyPackets?.() ?? !1 } async getCodedWidth() { return this._backing.getCodedWidth() } get codedWidth() { return le(this._backing.getCodedWidth(), "codedWidth", "getCodedWidth") } async getCodedHeight() { return this._backing.getCodedHeight() } get codedHeight() { return le(this._backing.getCodedHeight(), "codedHeight", "getCodedHeight") } async getRotation() { return this._backing.getRotation() } get rotation() { return le(this._backing.getRotation(), "rotation", "getRotation") } async getSquarePixelWidth() { return this._backing.getSquarePixelWidth() } get squarePixelWidth() { return le(this._backing.getSquarePixelWidth(), "squarePixelWidth", "getSquarePixelWidth") } async getSquarePixelHeight() { return this._backing.getSquarePixelHeight() } get squarePixelHeight() { return le(this._backing.getSquarePixelHeight(), "squarePixelHeight", "getSquarePixelHeight") } async getPixelAspectRatio() { return this._pixelAspectRatioCache ??= Ht({ num: await this.getSquarePixelWidth() * await this.getCodedHeight(), den: await this.getSquarePixelHeight() * await this.getCodedWidth() }) } get pixelAspectRatio() { return this._pixelAspectRatioCache ??= Ht({ num: le(this._backing.getSquarePixelWidth(), "pixelAspectRatio", "getPixelAspectRatio") * le(this._backing.getCodedHeight(), "pixelAspectRatio", "getPixelAspectRatio"), den: le(this._backing.getSquarePixelHeight(), "pixelAspectRatio", "getPixelAspectRatio") * le(this._backing.getCodedWidth(), "pixelAspectRatio", "getPixelAspectRatio") }) } async getDisplayWidth() { let e = await this._backing.getMetadataDisplayWidth?.(); return e ?? (await this.getRotation() % 180 === 0 ? this.getSquarePixelWidth() : this.getSquarePixelHeight()) } get displayWidth() { let e = this._backing.getMetadataDisplayWidth?.(); if (e !== void 0) { let a = le(e, "displayWidth", "getDisplayWidth"); if (a !== null) return a } let i = le(this._backing.getRotation(), "displayWidth", "getDisplayWidth") % 180 === 0 ? this._backing.getSquarePixelWidth() : this._backing.getSquarePixelHeight(); return le(i, "displayWidth", "getDisplayWidth") } async getDisplayHeight() { let e = await this._backing.getMetadataDisplayHeight?.(); return e ?? (await this.getRotation() % 180 === 0 ? this.getSquarePixelHeight() : this.getSquarePixelWidth()) } get displayHeight() { let e = this._backing.getMetadataDisplayHeight?.(); if (e !== void 0) { let a = le(e, "displayHeight", "getDisplayHeight"); if (a !== null) return a } let i = le(this._backing.getRotation(), "displayHeight", "getDisplayHeight") % 180 === 0 ? this._backing.getSquarePixelHeight() : this._backing.getSquarePixelWidth(); return le(i, "displayHeight", "getDisplayHeight") } async getColorSpace() { return this._backing.getColorSpace() } async hasHighDynamicRange() { let e = await this._backing.getColorSpace(); return e.primaries === "bt2020" || e.primaries === "smpte432" || e.transfer === "pg" || e.transfer === "hlg" || e.matrix === "bt2020-ncl" } async canBeTransparent() { return this._backing.canBeTransparent() } async getDecoderConfig() { return this._backing.getDecoderConfig() } async getCodecParameterString() { let e = await this._backing.getMetadataCodecParameterString?.(); return e ?? (await this._backing.getDecoderConfig())?.codec ?? null } async canDecode() { try { let e = await this._backing.getDecoderConfig(); if (!e) return !1; let r = await this._backing.getCodec(); return p(r !== null), Pr.some(a => a.supports(r, e)) ? !0 : typeof VideoDecoder > "u" ? !1 : (await VideoDecoder.isConfigSupported(e)).supported === !0 } catch (e) { return console.error("Error during decodability check:", e), !1 } } async determinePacketType(e) { if (!(e instanceof Q)) throw new TypeError("packet must be an EncodedPacket."); if (e.isMetadataOnly) throw new TypeError("packet must not be metadata-only to determine its type."); let r = await this.getCodec(); if (r === null) return null; let i = await this.getDecoderConfig(); return p(i), Pi(r, i, e.data) } }, _t = class extends vr { constructor(t, e) { super(t, e), this._backing = e } get type() { return "audio" } async getCodec() { return this._backing.getCodec() } get codec() { return le(this._backing.getCodec(), "codec", "getCodec") } async hasOnlyKeyPackets() { return await this._backing.getHasOnlyKeyPackets?.() ?? !0 } async getNumberOfChannels() { return this._backing.getNumberOfChannels() } get numberOfChannels() { return le(this._backing.getNumberOfChannels(), "numberOfChannels", "getNumberOfChannels") } async getSampleRate() { return this._backing.getSampleRate() } get sampleRate() { return le(this._backing.getSampleRate(), "sampleRate", "getSampleRate") } async getDecoderConfig() { return this._backing.getDecoderConfig() } async getCodecParameterString() { let t = await this._backing.getMetadataCodecParameterString?.(); return t ?? (await this._backing.getDecoderConfig())?.codec ?? null } async canDecode() { try { let t = await this._backing.getDecoderConfig(); if (!t) return !1; let e = await this._backing.getCodec(); return p(e !== null), Cr.some(r => r.supports(e, t)) || t.codec.startsWith("pcm-") ? !0 : typeof AudioDecoder > "u" ? !1 : (await AudioDecoder.isConfigSupported(t)).supported === !0 } catch (t) { return console.error("Error during decodability check:", t), !1 } } async determinePacketType(t) { if (!(t instanceof Q)) throw new TypeError("packet must be an EncodedPacket."); return await this.getCodec() === null ? null : "key" } }, Cd = n => n ?? 1 / 0, ea = n => -(n ?? -1 / 0), Rr = n => -n, $i = n => { if (typeof n != "object" || !n) throw new TypeError("query must be an object."); if (n.filter !== void 0 && typeof n.filter != "function") throw new TypeError("query.filter, when provided, must be a function."); if (n.sortBy !== void 0 && typeof n.sortBy != "function") throw new TypeError("query.sortBy, when provided, must be a function."); return { filter: n.filter ? t => { let e = i => { if (typeof i != "boolean") throw new TypeError("query.filter must return or resolve to a boolean."); return i }, r = n.filter(t); return r instanceof Promise ? r.then(e) : e(r) } : void 0, sortBy: n.sortBy ? t => { let e = i => { if (typeof i != "number" && (!Array.isArray(i) || !i.every(a => typeof a == "number"))) throw new TypeError("query.sortBy must return or resolve to a number or an array of numbers."); return i }, r = n.sortBy(t); return r instanceof Promise ? r.then(e) : e(r) } : void 0 } }, _r = (n, t) => ({ filter: n?.filter || t?.filter ? e => { let r = n?.filter?.(e) ?? !0, i = a => a === !1 ? !1 : t?.filter?.(e) ?? !0; return r instanceof Promise ? r.then(i) : i(r) } : void 0, sortBy: n?.sortBy || t?.sortBy ? e => { let r = n?.sortBy?.(e) ?? [], i = t?.sortBy?.(e) ?? [], a = (s, o) => [...Array.isArray(s) ? s : [s], ...Array.isArray(o) ? o : [o]]; return r instanceof Promise || i instanceof Promise ? Promise.all([r, i]).then(([s, o]) => a(s, o)) : a(r, i) } : void 0 }), Ys = async (n, t) => { let e = n; if (t?.filter) { let s = n.map(c => t.filter(c)); if (s.some(c => c instanceof Promise)) { let c = await Promise.all(s); e = n.filter((u, l) => c[l]) } else e = n.filter((c, u) => s[u]) } if (!t?.sortBy) return e; let r = e.map(s => t.sortBy(s)), a = r.some(s => s instanceof Promise) ? await Promise.all(r) : r; return e.map((s, o) => ({ track: s, sortValue: a[o] })).sort((s, o) => { let c = Array.isArray(s.sortValue) ? s.sortValue : [s.sortValue], u = Array.isArray(o.sortValue) ? o.sortValue : [o.sortValue], l = Math.max(c.length, u.length); for (let m = 0; m < l; m++) { let d = c[m] ?? 0, f = u[m] ?? 0; if (d !== f) return d - f } return 0 }).map(s => s.track) }; yi(); var rf = 1, $l = 2, Qc = null; typeof FinalizationRegistry < "u" && (Qc = new FinalizationRegistry(n => { for (let t of n) t.freed || t.free() })); var xr = class n extends je { constructor(e) { super(); this._demuxerPromise = null; this._format = null; this._trackBackingsCache = null; this._backingToTrack = new Map; this._disposed = !1; this._nextSourceCacheAge = 0; this._sourceRefs = []; this._sourceCache = []; this._sourceCachePromises = []; this._onFormatDetermined = null; if (!e || typeof e != "object") throw new TypeError("options must be an object."); if (!Array.isArray(e.formats) || e.formats.some(r => !(r instanceof Be))) throw new TypeError("options.formats must be an array of InputFormat."); if (!(e.source instanceof Ie || e.source instanceof Sr)) throw new TypeError("options.source must be a Source or SourceRef."); if (e.source instanceof Ie && e.source._disposed) throw new TypeError("options.source must not be a disposed Source."); if (e.initInput !== void 0 && !(e.initInput instanceof n)) throw new TypeError("options.initInput, when provided, must be an Input."); e.formatOptions !== void 0 && td(e.formatOptions, "formatOptions"), this._formats = e.formats, this._initInput = e.initInput ?? null, this._formatOptions = e.formatOptions ?? {}, e.source instanceof Ie ? this._rootRef = e.source.ref() : this._rootRef = e.source, this._sourceRefs.push(this._rootRef), Qc?.register(this, this._sourceRefs, this) } get disposed() { return this._disposed } get _rootSource() { return this._rootRef.source } async _getSourceUncached(e) { p(this._rootSource instanceof Ge); let r = await this._rootSource._resolveRequest(e); return this._emit("source", { source: r.source, request: e, isRoot: e.isRoot }), r } _getSourceCached(e, r = rf) { let i = this._sourceCache.find(o => o.cacheGroup === r && Ic(o.request, e)); if (i) return i.age++, Promise.resolve(i.sourceRef.source.ref()); let a = this._sourceCachePromises.find(o => o.cacheGroup === r && Ic(o.request, e)); if (a) return a.promise.then(o => o.sourceRef.source.ref()); let s = (async () => { let o = await this._getSourceUncached(e); if (Kr(this._sourceCache, d => d.cacheGroup === r && d.sourceRef.source._refCount === 1) >= 4) { let d = ba(this._sourceCache, h => h.cacheGroup === r && h.sourceRef.source._refCount === 1 ? h.age : 1 / 0); p(d !== -1); let f = this._sourceCache[d]; this._sourceCache.splice(d, 1), f.sourceRef.free(), Lo(this._sourceRefs, f.sourceRef) } this._sourceRefs.push(o); let l = this._sourceCachePromises.findIndex(d => d.request === e); return p(l !== -1), this._sourceCachePromises.splice(l, 1), { request: e, sourceRef: o, age: this._nextSourceCacheAge++, cacheGroup: r } })(); return this._sourceCachePromises.push({ request: e, cacheGroup: r, promise: s }), s.then(o => { let c = o.sourceRef.source.ref(); return this._sourceCache.push(o), c }) } _getDemuxer() { return this._demuxerPromise ??= (async () => { this._reader = new Ar(this._rootSource), this._emit("source", { source: this._rootSource, request: null, isRoot: !0 }); for (let e of this._formats) if (await e._canReadInput(this)) return this._format = e, this._onFormatDetermined?.(e), e._createDemuxer(this); throw new Yi })() } get source() { return this._rootSource } async getFormat() { return await this._getDemuxer(), p(this._format), this._format } async canRead() { try { return await this._getDemuxer(), !0 } catch (e) { if (e instanceof Yi) return !1; throw e } } async getFirstTimestamp(e) { e ??= await this.getTracks(); let r = e.filter(a => a !== null); if (r.length === 0) return 0; let i = await Promise.all(r.map(a => a.getFirstTimestamp())); return Math.min(...i) } async computeDuration(e, r) { e ??= await this.getTracks(); let i = e.filter(s => s !== null); if (i.length === 0) return 0; let a = await Promise.all(i.map(s => s.computeDuration(r))); return Math.max(...a) } async getDurationFromMetadata(e, r) { e ??= await this.getTracks(); let i = e.filter(o => o !== null), s = (await Promise.all(i.map(o => o.getDurationFromMetadata(r)))).filter(o => o !== null); return s.length === 0 ? null : Math.max(...s) } async getTracks(e) { e &&= $i(e); let i = (await this._getTrackBackings()).map(a => this._wrapBackingAsTrack(a)); return Ys(i, e) } async getVideoTracks(e) { e &&= $i(e); let i = (await this.getTracks()).filter(a => a.isVideoTrack()); return Ys(i, e) } async getAudioTracks(e) { e &&= $i(e); let i = (await this.getTracks()).filter(a => a.isAudioTrack()); return Ys(i, e) } async getPrimaryVideoTrack(e) { e &&= $i(e); let r = _r(e, { sortBy: async a => [Rr((await a.getDisposition()).default), Rr(await a.hasPairableAudioTrack()), Rr(!await a.hasOnlyKeyPackets()), ea(await a.getBitrate())] }); return (await this.getVideoTracks(r))[0] ?? null } async getPrimaryAudioTrack(e) { e &&= $i(e); let r = await this.getPrimaryVideoTrack(), i = _r(e, { sortBy: async s => [Rr(!r || s.canBePairedWith(r)), Rr((await s.getDisposition()).default), ea(await s.getBitrate())] }); return (await this.getAudioTracks(i))[0] ?? null } async _getTrackBackings() { let e = await this._getDemuxer(); return this._trackBackingsCache ??= await e.getTrackBackings() } _wrapBackingAsTrack(e) { let r = this._backingToTrack.get(e); if (r) return r; let a = e.getType() === "video" ? new vt(this, e) : new _t(this, e); return this._backingToTrack.set(e, a), a } async getMimeType() { return (await this._getDemuxer()).getMimeType() } async getMetadataTags() { return (await this._getDemuxer()).getMetadataTags() } dispose() { if (!this._disposed) { this._disposed = !0; for (let e of this._sourceRefs) e.free(); this._sourceRefs.length = 0, Qc?.unregister(this), this._demuxerPromise?.then(e => e.dispose()) } } [Symbol.dispose]() { this.dispose() } }, Yi = class extends Error { constructor(t = "Input has an unsupported or unrecognizable format.") { super(t), this.name = "UnsupportedInputFormatError" } }, ke = class extends Error { constructor(t = "Input has been disposed.") { super(t), this.name = "InputDisposedError" } }; var Ar = class { constructor(t) { this.source = t } get fileSize() { let t = this.source._getFileSize(); if (t === void 0) throw new Error("Reading file size too early; read required first."); return t } get fileSizeNonStrict() { return this.source._getFileSize() ?? null } requestSlice(t, e) { if (this.source._disposed) throw new ke; if (t < 0 || this.fileSizeNonStrict !== null && t + e > this.fileSizeNonStrict) return null; if (e === 0) { let a = new Uint8Array(0); return new ye(a, U(a), 0, t, t) } let r = t + e, i = this.source._read(t, r, Pc, Cc); return i instanceof Promise ? i.then(a => a ? new ye(a.bytes, a.view, a.offset, t, r) : null) : i ? new ye(i.bytes, i.view, i.offset, t, r) : null } requestSliceRange(t, e, r) { if (this.source._disposed) throw new ke; if (t < 0) return null; if (this.fileSizeNonStrict !== null) return this.requestSlice(t, de(this.fileSizeNonStrict - t, e, r)); { let i = this.requestSlice(t, r), a = s => s || (p(this.fileSizeNonStrict !== null), this.requestSlice(t, de(this.fileSizeNonStrict - t, e, r))); return i instanceof Promise ? i.then(a) : a(i) } } requestEntireFile() { if (this.fileSizeNonStrict !== null) return this.requestSlice(0, this.fileSizeNonStrict); let t = 1024; return (async () => { let e = [], r = 0; for (; ;) { if (e.length === 1 && this.fileSizeNonStrict !== null) return this.requestSlice(0, this.fileSizeNonStrict); let s = e.length * t, o = this.requestSliceRange(s, 0, t); if (o instanceof Promise && (o = await o), !o) break; e.push(B(o, o.length)), r += o.length } let i = new Uint8Array(r), a = 0; for (let s of e) i.set(s, a), a += s.length; return new ye(i, U(i), 0, 0, r) })() } }, ye = class n { constructor(t, e, r, i, a) { this.bytes = t; this.view = e; this.offset = r; this.start = i; this.end = a; this.bufferPos = i - r } static tempFromBytes(t) { return new n(t, U(t), 0, 0, t.length) } get length() { return this.end - this.start } get filePos() { return this.offset + this.bufferPos } set filePos(t) { this.bufferPos = t - this.offset } get remainingLength() { return Math.max(this.end - this.filePos, 0) } skip(t) { this.bufferPos += t } slice(t, e = this.end - t) { if (t < this.start || t + e > this.end) throw new RangeError("Slicing outside of original slice."); return new n(this.bytes, this.view, this.offset, t, t + e) } }, ze = (n, t) => { if (n.filePos < n.start || n.filePos + t > n.end) throw new RangeError(`Tried reading [${n.filePos}, ${n.filePos + t}), but slice is [${n.start}, ${n.end}). This is likely an internal error, please report it alongside the file that caused it.`) }, B = (n, t) => { ze(n, t); let e = n.bytes.subarray(n.bufferPos, n.bufferPos + t); return n.bufferPos += t, e }, O = n => (ze(n, 1), n.view.getUint8(n.bufferPos++)), Ui = (n, t) => { ze(n, 2); let e = n.view.getUint16(n.bufferPos, t); return n.bufferPos += 2, e }, ce = n => { ze(n, 2); let t = n.view.getUint16(n.bufferPos, !1); return n.bufferPos += 2, t }, mt = n => { ze(n, 3); let t = Lr(n.view, n.bufferPos, !1); return n.bufferPos += 3, t }, wn = n => { ze(n, 2); let t = n.view.getInt16(n.bufferPos, !1); return n.bufferPos += 2, t }, tr = (n, t) => { ze(n, 4); let e = n.view.getUint32(n.bufferPos, t); return n.bufferPos += 4, e }, R = n => { ze(n, 4); let t = n.view.getUint32(n.bufferPos, !1); return n.bufferPos += 4, t }, jr = n => { ze(n, 4); let t = n.view.getUint32(n.bufferPos, !0); return n.bufferPos += 4, t }, Yt = n => { ze(n, 4); let t = n.view.getInt32(n.bufferPos, !1); return n.bufferPos += 4, t }, nf = n => { ze(n, 4); let t = n.view.getInt32(n.bufferPos, !0); return n.bufferPos += 4, t }, cc = (n, t) => { let e, r; return t ? (e = tr(n, !0), r = tr(n, !0)) : (r = tr(n, !1), e = tr(n, !1)), r * 4294967296 + e }, De = n => { let t = R(n), e = R(n); return t * 4294967296 + e }, xl = n => { let t = Yt(n), e = R(n); return t * 4294967296 + e }, Ol = n => { let t = jr(n); return nf(n) * 4294967296 + t }, vl = n => { ze(n, 4); let t = n.view.getFloat32(n.bufferPos, !1); return n.bufferPos += 4, t }, ja = n => { ze(n, 8); let t = n.view.getFloat64(n.bufferPos, !1); return n.bufferPos += 8, t }, ie = (n, t) => { ze(n, t); let e = ""; for (let r = 0; r < t; r++)e += String.fromCharCode(n.bytes[n.bufferPos++]); return e }, Cs = (n, t, e) => he.decode(B(n, t)).split(`
`).map(a => a.trim()).filter(a => a.length > 0 && !e?.ignore?.(a)); var Pn = 128, qe = 10, Ji = ["Blues", "Classic rock", "Country", "Dance", "Disco", "Funk", "Grunge", "Hip-hop", "Jazz", "Metal", "New age", "Oldies", "Other", "Pop", "Rhythm and blues", "Rap", "Reggae", "Rock", "Techno", "Industrial", "Alternative", "Ska", "Death metal", "Pranks", "Soundtrack", "Euro-techno", "Ambient", "Trip-hop", "Vocal", "Jazz & funk", "Fusion", "Trance", "Classical", "Instrumental", "Acid", "House", "Game", "Sound clip", "Gospel", "Noise", "Alternative rock", "Bass", "Soul", "Punk", "Space", "Meditative", "Instrumental pop", "Instrumental rock", "Ethnic", "Gothic", "Darkwave", "Techno-industrial", "Electronic", "Pop-folk", "Eurodance", "Dream", "Southern rock", "Comedy", "Cult", "Gangsta", "Top 40", "Christian rap", "Pop/funk", "Jungle music", "Native US", "Cabaret", "New wave", "Psychedelic", "Rave", "Showtunes", "Trailer", "Lo-fi", "Tribal", "Acid punk", "Acid jazz", "Polka", "Retro", "Musical", "Rock 'n' roll", "Hard rock", "Folk", "Folk rock", "National folk", "Swing", "Fast fusion", "Bebop", "Latin", "Revival", "Celtic", "Bluegrass", "Avantgarde", "Gothic rock", "Progressive rock", "Psychedelic rock", "Symphonic rock", "Slow rock", "Big band", "Chorus", "Easy listening", "Acoustic", "Humour", "Speech", "Chanson", "Opera", "Chamber music", "Sonata", "Symphony", "Booty bass", "Primus", "Porn groove", "Satire", "Slow jam", "Club", "Tango", "Samba", "Folklore", "Ballad", "Power ballad", "Rhythmic Soul", "Freestyle", "Duet", "Punk rock", "Drum solo", "A cappella", "Euro-house", "Dance hall", "Goa music", "Drum & bass", "Club-house", "Hardcore techno", "Terror", "Indie", "Britpop", "Negerpunk", "Polsk punk", "Beat", "Christian gangsta rap", "Heavy metal", "Black metal", "Crossover", "Contemporary Christian", "Christian rock", "Merengue", "Salsa", "Thrash metal", "Anime", "Jpop", "Synthpop", "Christmas", "Art rock", "Baroque", "Bhangra", "Big beat", "Breakbeat", "Chillout", "Downtempo", "Dub", "EBM", "Eclectic", "Electro", "Electroclash", "Emo", "Experimental", "Garage", "Global", "IDM", "Illbient", "Industro-Goth", "Jam Band", "Krautrock", "Leftfield", "Lounge", "Math rock", "New romantic", "Nu-breakz", "Post-punk", "Post-rock", "Psytrance", "Shoegaze", "Space rock", "Trop rock", "World music", "Neoclassical", "Audiobook", "Audio theatre", "Neue Deutsche Welle", "Podcast", "Indie rock", "G-Funk", "Dubstep", "Garage rock", "Psybient"], Fl = (n, t) => { let e = n.filePos; t.raw ??= {}, t.raw.TAG ??= B(n, Pn - 3), n.filePos = e; let r = Zi(n, 30); r && (t.title ??= r); let i = Zi(n, 30); i && (t.artist ??= i); let a = Zi(n, 30); a && (t.album ??= a); let s = Zi(n, 4), o = Number.parseInt(s, 10); Number.isInteger(o) && o > 0 && (t.date ??= new Date(o, 0, 1)); let c = B(n, 30), u; if (c[28] === 0 && c[29] !== 0) { let m = c[29]; m > 0 && (t.trackNumber ??= m), n.skip(-30), u = Zi(n, 28), n.skip(2) } else n.skip(-30), u = Zi(n, 30); u && (t.comment ??= u); let l = O(n); l < Ji.length && (t.genre ??= Ji[l]) }, Zi = (n, t) => { let e = B(n, t), r = Hr(e.indexOf(0), e.length), i = e.subarray(0, r), a = ""; for (let s = 0; s < i.length; s++)a += String.fromCharCode(i[s]); return a.trimEnd() }, gt = n => { let t = n.filePos, e = ie(n, 3), r = O(n), i = O(n), a = O(n), s = R(n); if (e !== "ID3" || r === 255 || i === 255 || (s & 2155905152) !== 0) return n.filePos = t, null; let o = Ia(s); return { majorVersion: r, revision: i, flags: a, size: o } }, Oi = (n, t, e) => { if (![2, 3, 4].includes(t.majorVersion)) { console.warn(`Unsupported ID3v2 major version: ${t.majorVersion}`); return } let r = B(n, t.size), i = new jc(t, r); if (t.flags & 16 && i.removeFooter(), t.flags & 128 && t.majorVersion === 3 && i.ununsynchronizeAll(), t.flags & 64) { let a = i.readU32(); t.majorVersion === 3 ? i.pos += a : i.pos += a - 4 } for (; i.pos <= i.bytes.length - i.frameHeaderSize();) { let a = i.readId3V2Frame(); if (!a) break; let s = i.pos, o = i.pos + a.size, c = !1, u = !1, l = !1; if (t.majorVersion === 3 ? (c = !!(a.flags & 64), u = !!(a.flags & 128)) : t.majorVersion === 4 && (c = !!(a.flags & 4), u = !!(a.flags & 8), l = !!(a.flags & 2) || !!(t.flags & 128)), c) { console.warn(`Skipping encrypted ID3v2 frame ${a.id}`), i.pos = o; continue } if (u) { console.warn(`Skipping compressed ID3v2 frame ${a.id}`), i.pos = o; continue } if (l && i.ununsynchronizeRegion(i.pos, o), e.raw ??= {}, a.id === "TXXX") { let m = e.raw.TXXX ??= {}, d = i.readId3V2TextEncoding(), f = i.readId3V2Text(d, o), h = i.readId3V2Text(d, o); m[f] ??= h } else a.id[0] === "T" ? e.raw[a.id] ??= i.readId3V2EncodingAndText(o) : e.raw[a.id] ??= i.readBytes(a.size); switch (i.pos = s, a.id) { case "TIT2": case "TT2": e.title ??= i.readId3V2EncodingAndText(o); break; case "TIT3": case "TT3": e.description ??= i.readId3V2EncodingAndText(o); break; case "TPE1": case "TP1": e.artist ??= i.readId3V2EncodingAndText(o); break; case "TALB": case "TAL": e.album ??= i.readId3V2EncodingAndText(o); break; case "TPE2": case "TP2": e.albumArtist ??= i.readId3V2EncodingAndText(o); break; case "TRCK": case "TRK": { let d = i.readId3V2EncodingAndText(o).split("/"), f = Number.parseInt(d[0], 10), h = d[1] && Number.parseInt(d[1], 10); Number.isInteger(f) && f > 0 && (e.trackNumber ??= f), h && Number.isInteger(h) && h > 0 && (e.tracksTotal ??= h) } break; case "TPOS": case "TPA": { let d = i.readId3V2EncodingAndText(o).split("/"), f = Number.parseInt(d[0], 10), h = d[1] && Number.parseInt(d[1], 10); Number.isInteger(f) && f > 0 && (e.discNumber ??= f), h && Number.isInteger(h) && h > 0 && (e.discsTotal ??= h) } break; case "TCON": case "TCO": { let m = i.readId3V2EncodingAndText(o), d = /^\((\d+)\)/.exec(m); if (d) { let f = Number.parseInt(d[1]); if (Ji[f] !== void 0) { e.genre ??= Ji[f]; break } } if (d = /^\d+$/.exec(m), d) { let f = Number.parseInt(d[0]); if (Ji[f] !== void 0) { e.genre ??= Ji[f]; break } } e.genre ??= m } break; case "TDRC": case "TDAT": { let m = i.readId3V2EncodingAndText(o), d = new Date(m); Number.isNaN(d.getTime()) || (e.date ??= d) } break; case "TYER": case "TYE": { let m = i.readId3V2EncodingAndText(o), d = Number.parseInt(m, 10); Number.isInteger(d) && (e.date ??= new Date(d, 0, 1)) } break; case "USLT": case "ULT": { let m = i.readU8(); i.pos += 3, i.readId3V2Text(m, o), e.lyrics ??= i.readId3V2Text(m, o) } break; case "COMM": case "COM": { let m = i.readU8(); i.pos += 3, i.readId3V2Text(m, o), e.comment ??= i.readId3V2Text(m, o) } break; case "APIC": case "PIC": { let m = i.readId3V2TextEncoding(), d; if (t.majorVersion === 2) { let g = i.readAscii(3); d = g === "PNG" ? "image/png" : g === "JPG" ? "image/jpeg" : "image/*" } else d = i.readId3V2Text(m, o); let f = i.readU8(), h = i.readId3V2Text(m, o).trimEnd(), b = o - i.pos; if (b >= 0) { let g = i.readBytes(b); e.images || (e.images = []), e.images.push({ data: g, mimeType: d, kind: f === 3 ? "coverFront" : f === 4 ? "coverBack" : "unknown", description: h }) } } break; default: i.pos += a.size; break }i.pos = o } }, jc = class { constructor(t, e) { this.header = t; this.bytes = e; this.pos = 0; this.view = new DataView(e.buffer, e.byteOffset, e.byteLength) } frameHeaderSize() { return this.header.majorVersion === 2 ? 6 : 10 } ununsynchronizeAll() { let t = []; for (let e = 0; e < this.bytes.length; e++) { let r = this.bytes[e]; t.push(r), r === 255 && e !== this.bytes.length - 1 && this.bytes[e] === 0 && e++ } this.bytes = new Uint8Array(t), this.view = new DataView(this.bytes.buffer) } ununsynchronizeRegion(t, e) { let r = []; for (let s = t; s < e; s++) { let o = this.bytes[s]; r.push(o), o === 255 && s !== e - 1 && this.bytes[s + 1] === 0 && s++ } let i = this.bytes.subarray(0, t), a = this.bytes.subarray(e); this.bytes = new Uint8Array(i.length + r.length + a.length), this.bytes.set(i, 0), this.bytes.set(r, i.length), this.bytes.set(a, i.length + r.length), this.view = new DataView(this.bytes.buffer) } removeFooter() { this.bytes = this.bytes.subarray(0, this.bytes.length - qe), this.view = new DataView(this.bytes.buffer) } readBytes(t) { let e = this.bytes.subarray(this.pos, this.pos + t); return this.pos += t, e } readU8() { let t = this.view.getUint8(this.pos); return this.pos += 1, t } readU16() { let t = this.view.getUint16(this.pos, !1); return this.pos += 2, t } readU24() { let t = this.view.getUint16(this.pos, !1), e = this.view.getUint8(this.pos + 1); return this.pos += 3, t * 256 + e } readU32() { let t = this.view.getUint32(this.pos, !1); return this.pos += 4, t } readAscii(t) { let e = ""; for (let r = 0; r < t; r++)e += String.fromCharCode(this.view.getUint8(this.pos + r)); return this.pos += t, e } readId3V2Frame() { if (this.header.majorVersion === 2) { let t = this.readAscii(3); if (t === "\0\0\0") return null; let e = this.readU24(); return { id: t, size: e, flags: 0 } } else { let t = this.readAscii(4); if (t === "\0\0\0\0") return null; let e = this.readU32(), r = this.header.majorVersion === 4 ? Ia(e) : e, i = this.readU16(), a = this.pos, s = o => { let c = this.pos + o; if (c > this.bytes.length) return !1; if (c <= this.bytes.length - this.frameHeaderSize()) { this.pos += o; let u = this.readAscii(4); if (u !== "\0\0\0\0" && !/[0-9A-Z]{4}/.test(u)) return !1 } return !0 }; if (!s(r)) { let o = this.header.majorVersion === 4 ? e : Ia(e); s(o) && (r = o) } return this.pos = a, { id: t, size: r, flags: i } } } readId3V2TextEncoding() { let t = this.readU8(); if (t > 3) throw new Error(`Unsupported text encoding: ${t}`); return t } readId3V2Text(t, e) { let r = this.pos, i = this.readBytes(e - this.pos); switch (t) { case 0: { let a = ""; for (let s = 0; s < i.length; s++) { let o = i[s]; if (o === 0) { this.pos = r + s + 1; break } a += String.fromCharCode(o) } return a } case 1: if (i[0] === 255 && i[1] === 254) { let a = new TextDecoder("utf-16le"), s = Hr(i.findIndex((o, c) => o === 0 && i[c + 1] === 0 && c % 2 === 0), i.length); return this.pos = r + Math.min(s + 2, i.length), a.decode(i.subarray(2, s)) } else if (i[0] === 254 && i[1] === 255) { let a = new TextDecoder("utf-16be"), s = Hr(i.findIndex((o, c) => o === 0 && i[c + 1] === 0 && c % 2 === 0), i.length); return this.pos = r + Math.min(s + 2, i.length), a.decode(i.subarray(2, s)) } else { let a = Hr(i.findIndex(s => s === 0), i.length); return this.pos = r + Math.min(a + 1, i.length), he.decode(i.subarray(0, a)) } case 2: { let a = new TextDecoder("utf-16be"), s = Hr(i.findIndex((o, c) => o === 0 && i[c + 1] === 0 && c % 2 === 0), i.length); return this.pos = r + Math.min(s + 2, i.length), a.decode(i.subarray(0, s)) } case 3: { let a = Hr(i.findIndex(s => s === 0), i.length); return this.pos = r + Math.min(a + 1, i.length), he.decode(i.subarray(0, a)) } } } readId3V2EncodingAndText(t) { if (this.pos >= t) return ""; let e = this.readId3V2TextEncoding(); return this.readId3V2Text(e, t) } }, Fr = class { constructor(t) { this.helper = new Uint8Array(8); this.helperView = U(this.helper); this.writer = t } writeId3V2Tag(t) { let e = this.writer.getPos(); this.writeAscii("ID3"), this.writeU8(4), this.writeU8(0), this.writeU8(0), this.writeSynchsafeU32(0); let r = this.writer.getPos(), i = new Set; for (let { key: o, value: c } of at(t)) switch (o) { case "title": this.writeId3V2TextFrame("TIT2", c), i.add("TIT2"); break; case "description": this.writeId3V2TextFrame("TIT3", c), i.add("TIT3"); break; case "artist": this.writeId3V2TextFrame("TPE1", c), i.add("TPE1"); break; case "album": this.writeId3V2TextFrame("TALB", c), i.add("TALB"); break; case "albumArtist": this.writeId3V2TextFrame("TPE2", c), i.add("TPE2"); break; case "trackNumber": { let u = t.tracksTotal !== void 0 ? `${c}/${t.tracksTotal}` : c.toString(); this.writeId3V2TextFrame("TRCK", u), i.add("TRCK") } break; case "discNumber": { let u = t.discsTotal !== void 0 ? `${c}/${t.discsTotal}` : c.toString(); this.writeId3V2TextFrame("TPOS", u), i.add("TPOS") } break; case "genre": this.writeId3V2TextFrame("TCON", c), i.add("TCON"); break; case "date": this.writeId3V2TextFrame("TDRC", c.toISOString().slice(0, 10)), i.add("TDRC"); break; case "lyrics": this.writeId3V2LyricsFrame(c), i.add("USLT"); break; case "comment": this.writeId3V2CommentFrame(c), i.add("COMM"); break; case "images": { let u = { coverFront: 3, coverBack: 4, unknown: 0 }; for (let l of c) { let m = u[l.kind] ?? 0, d = l.description ?? ""; this.writeId3V2ApicFrame(l.mimeType, m, d, l.data) } } break; case "tracksTotal": case "discsTotal": break; case "raw": break; default: ae(o) }if (t.raw) for (let o in t.raw) { let c = t.raw[o]; if (c == null || o.length !== 4 || i.has(o)) continue; let u; if (typeof c == "string") if (tt(c)) { u = new Uint8Array(c.length + 2), u[0] = 0; for (let m = 0; m < c.length; m++)u[m + 1] = c.charCodeAt(m) } else { let m = $.encode(c); u = new Uint8Array(m.byteLength + 2), u[0] = 3, u.set(m, 1) } else if (c instanceof Uint8Array) u = c; else if (o === "TXXX" && ya(c)) { for (let l in c) { let m = c[l], d = tt(l) && tt(m), f = d ? null : $.encode(l), h = d ? null : $.encode(m), b = d ? l.length : f.byteLength, g = d ? m.length : h.byteLength, y = 1 + b + 1 + g + 1; this.writeAscii("TXXX"), this.writeSynchsafeU32(y), this.writeU16(0), this.writeU8(d ? 0 : 3), d ? (this.writeIsoString(l), this.writeIsoString(m)) : (this.writer.write(f), this.writeU8(0), this.writer.write(h), this.writeU8(0)) } continue } else continue; this.writeAscii(o), this.writeSynchsafeU32(u.byteLength), this.writeU16(0), this.writer.write(u) } let a = this.writer.getPos(), s = a - r; return this.writer.seek(e + 6), this.writeSynchsafeU32(s), this.writer.seek(a), s + 10 } writeU8(t) { this.helper[0] = t, this.writer.write(this.helper.subarray(0, 1)) } writeU16(t) { this.helperView.setUint16(0, t, !1), this.writer.write(this.helper.subarray(0, 2)) } writeU32(t) { this.helperView.setUint32(0, t, !1), this.writer.write(this.helper.subarray(0, 4)) } writeAscii(t) { for (let e = 0; e < t.length; e++)this.helper[e] = t.charCodeAt(e); this.writer.write(this.helper.subarray(0, t.length)) } writeSynchsafeU32(t) { this.writeU32(el(t)) } writeIsoString(t) { let e = new Uint8Array(t.length + 1); for (let r = 0; r < t.length; r++)e[r] = t.charCodeAt(r); this.writer.write(e) } writeUtf8String(t) { let e = $.encode(t); this.writer.write(e), this.writeU8(0) } writeId3V2TextFrame(t, e) { let r = tt(e), a = 1 + (r ? e.length : $.encode(e).byteLength) + 1; this.writeAscii(t), this.writeSynchsafeU32(a), this.writeU16(0), this.writeU8(r ? 0 : 3), r ? this.writeIsoString(e) : this.writeUtf8String(e) } writeId3V2LyricsFrame(t) { let e = tt(t), r = "", i = 4 + r.length + 1 + t.length + 1; this.writeAscii("USLT"), this.writeSynchsafeU32(i), this.writeU16(0), this.writeU8(e ? 0 : 3), this.writeAscii("und"), e ? (this.writeIsoString(r), this.writeIsoString(t)) : (this.writeUtf8String(r), this.writeUtf8String(t)) } writeId3V2CommentFrame(t) { let e = tt(t), r = e ? t.length : $.encode(t).byteLength, i = "", a = 4 + i.length + 1 + r + 1; this.writeAscii("COMM"), this.writeSynchsafeU32(a), this.writeU16(0), this.writeU8(e ? 0 : 3), this.writeU8(117), this.writeU8(110), this.writeU8(100), e ? (this.writeIsoString(i), this.writeIsoString(t)) : (this.writeUtf8String(i), this.writeUtf8String(t)) } writeId3V2ApicFrame(t, e, r, i) { let a = tt(t) && tt(r), s = a ? r.length : $.encode(r).byteLength, o = 1 + t.length + 1 + 1 + s + 1 + i.byteLength; this.writeAscii("APIC"), this.writeSynchsafeU32(o), this.writeU16(0), this.writeU8(a ? 0 : 3), a ? this.writeIsoString(t) : this.writeUtf8String(t), this.writeU8(e), a ? this.writeIsoString(r) : this.writeUtf8String(r), this.writer.write(i) } }; var we = class { constructor(t) { this.mutex = new ve; this.trackTimestampInfo = new WeakMap; this.output = t } onTrackClose(t) { } validateTimestamp(t, e, r) { if (e < 0) throw new Error(`Timestamps must be non-negative (got ${e}s).`); let i = this.trackTimestampInfo.get(t); if (i) { if (r && (i.maxTimestampBeforeLastKeyPacket = i.maxTimestamp), i.maxTimestampBeforeLastKeyPacket !== null && e < i.maxTimestampBeforeLastKeyPacket) throw new Error(`Timestamps cannot be smaller than the largest timestamp of the previous GOP (a GOP begins with a key packet and ends right before the next key packet). Got ${e}s, but largest timestamp is ${i.maxTimestampBeforeLastKeyPacket}s.`); i.maxTimestamp = Math.max(i.maxTimestamp, e) } else { if (!r) throw new Error("First packet must be a key packet."); i = { maxTimestamp: e, maxTimestampBeforeLastKeyPacket: null }, this.trackTimestampInfo.set(t, i) } } }; var Zs = class extends we { constructor(e, r) { super(e); this.header = null; this.headerBitstream = null; this.inputIsAdts = null; this.format = r } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(!0), Gt(this.output._metadataTags) || new Fr(this.writer).writeId3V2Tag(this.output._metadataTags), e() } async getMimeType() { return "audio/aac" } async addEncodedVideoPacket() { throw new Error("ADTS does not support video.") } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { if (this.validateTimestamp(e, r.timestamp, r.type === "key"), this.inputIsAdts === null) { _e(i); let s = i?.decoderConfig?.description; if (this.inputIsAdts = !s, !this.inputIsAdts) { let o = It(j(s)), c = ka(o); this.header = c.header, this.headerBitstream = c.bitstream } } if (this.inputIsAdts) { let s = this.writer.getPos(); this.writer.write(r.data), this.format._options.onFrame && this.format._options.onFrame(r.data, s) } else { p(this.header); let s = r.data.byteLength + this.header.byteLength; Ta(this.headerBitstream, s); let o = this.writer.getPos(); if (this.writer.write(this.header), this.writer.write(r.data), this.format._options.onFrame) { let c = new Uint8Array(s); c.set(this.header, 0), c.set(r.data, this.header.byteLength), this.format._options.onFrame(c, o) } } await this.writer.flush() } finally { a() } } async addSubtitleCue() { throw new Error("ADTS does not support subtitles.") } async finalize() { (await this.mutex.acquire())() } }; var Id = new Uint8Array([102, 76, 97, 67]), af = 38, sf = 34, Js = class extends we { constructor(e, r) { super(e); this.metadataWritten = !1; this.blockSizes = []; this.frameSizes = []; this.sampleRate = null; this.channels = null; this.bitsPerSample = null; this.format = r } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(!!this.format._options.appendOnly), this.writer.write(Id), e() } writeHeader({ bitsPerSample: e, minimumBlockSize: r, maximumBlockSize: i, minimumFrameSize: a, maximumFrameSize: s, sampleRate: o, channels: c, totalSamples: u }) { p(this.writer.getPos() === 4); let l = !Gt(this.output._metadataTags), m = new H(new Uint8Array(4)); m.writeBits(1, +!l), m.writeBits(7, 0), m.writeBits(24, sf), this.writer.write(m.bytes); let d = new H(new Uint8Array(18)); if (d.writeBits(16, r), d.writeBits(16, i), d.writeBits(24, a), d.writeBits(24, s), d.writeBits(20, o), d.writeBits(3, c - 1), d.writeBits(5, e - 1), u >= 2 ** 32) throw new Error("This muxer only supports writing up to 2 ** 32 samples"); d.writeBits(4, 0), d.writeBits(32, u), this.writer.write(d.bytes), this.writer.write(new Uint8Array(16)) } writePictureBlock(e) { let r = 32 + e.mimeType.length + (e.description?.length ?? 0) + e.data.length, i = new Uint8Array(r), a = 0, s = U(i); s.setUint32(a, e.kind === "coverFront" ? 3 : e.kind === "coverBack" ? 4 : 0), a += 4, s.setUint32(a, e.mimeType.length), a += 4, i.set($.encode(e.mimeType), 8), a += e.mimeType.length, s.setUint32(a, e.description?.length ?? 0), a += 4, i.set($.encode(e.description ?? ""), a), a += e.description?.length ?? 0, a += 16, s.setUint32(a, e.data.length), a += 4, i.set(e.data, a), a += e.data.length, p(a === r); let o = new H(new Uint8Array(4)); o.writeBits(1, 0), o.writeBits(7, 6), o.writeBits(24, r), this.writer.write(o.bytes), this.writer.write(i) } writeVorbisCommentAndPictureBlock() { if (this.format._options.appendOnly || this.writer.seek(af + Id.byteLength), Gt(this.output._metadataTags)) { this.metadataWritten = !0; return } let e = this.output._metadataTags.images ?? []; for (let a of e) this.writePictureBlock(a); let r = gn(new Uint8Array(0), this.output._metadataTags, !1), i = new H(new Uint8Array(4)); i.writeBits(1, 1), i.writeBits(7, 4), i.writeBits(24, r.length), this.writer.write(i.bytes), this.writer.write(r), this.metadataWritten = !0 } async getMimeType() { return "audio/flac" } async addEncodedVideoPacket() { throw new Error("FLAC does not support video.") } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { if (this.validateTimestamp(e, r.timestamp, r.type === "key"), this.sampleRate === null) { _e(i), p(i), p(i.decoderConfig), p(i.decoderConfig.description), this.sampleRate = i.decoderConfig.sampleRate, this.channels = i.decoderConfig.numberOfChannels; let d = new H(j(i.decoderConfig.description)); d.skipBits(167); let f = d.readBits(5) + 1; this.bitsPerSample = f, this.format._options.appendOnly && this.writeHeader({ minimumBlockSize: 16, maximumBlockSize: 65535, minimumFrameSize: 0, maximumFrameSize: 0, sampleRate: this.sampleRate, channels: this.channels, bitsPerSample: this.bitsPerSample, totalSamples: 0 }) } this.metadataWritten || this.writeVorbisCommentAndPictureBlock(); let s = ye.tempFromBytes(r.data); s.skip(2); let o = B(s, 2), c = new H(o), u = ls(c.readBits(4)); if (u === null) throw new Error("Invalid FLAC frame: Invalid block size."); ds(s); let l = ms(s, u); this.format._options.appendOnly || (this.blockSizes.push(l), this.frameSizes.push(r.data.length)); let m = this.writer.getPos(); this.writer.write(r.data), this.format._options.onFrame && this.format._options.onFrame(r.data, m), await this.writer.flush() } finally { a() } } addSubtitleCue() { throw new Error("FLAC does not support subtitles.") } async finalize() { let e = await this.mutex.acquire(); if (!this.format._options.appendOnly) { let r = 1 / 0, i = 0, a = 1 / 0, s = 0, o = 0; for (let c = 0; c < this.blockSizes.length; c++)a = Math.min(a, this.frameSizes[c]), s = Math.max(s, this.frameSizes[c]), i = Math.max(i, this.blockSizes[c]), o += this.blockSizes[c], c !== this.blockSizes.length - 1 && (r = Math.min(r, this.blockSizes[c])); p(this.sampleRate !== null), p(this.channels !== null), p(this.bitsPerSample !== null), this.writer.seek(4), this.writeHeader({ minimumBlockSize: r, maximumBlockSize: i, minimumFrameSize: a, maximumFrameSize: s, sampleRate: this.sampleRate, channels: this.channels, bitsPerSample: this.bitsPerSample, totalSamples: o }) } e() } }; var ta = /(?:(.+?)\n)?((?:\d{2}:)?\d{2}:\d{2}.\d{3})\s+-->\s+((?:\d{2}:)?\d{2}:\d{2}.\d{3})/g, of = /^WEBVTT(.|\n)*?\n{2}/, en = /<(?:(\d{2}):)?(\d{2}):(\d{2}).(\d{3})>/g, eo = class {
constructor(t) { this.preambleText = null; this.preambleEmitted = !1; this.options = t } parse(t) {
t = t.replaceAll(`\r
`, `
`).replaceAll("\r", `
`), ta.lastIndex = 0; let e; if (!this.preambleText) { if (!of.test(t)) throw new Error("WebVTT preamble incorrect."); e = ta.exec(t); let r = t.slice(0, e?.index ?? t.length).trimEnd(); if (!r) throw new Error("No WebVTT preamble provided."); this.preambleText = r, e && (t = t.slice(e.index), ta.lastIndex = 0) } for (; e = ta.exec(t);) {
let r = t.slice(0, e.index), i = e[1], a = e.index + e[0].length, s = t.indexOf(`
`, a) + 1, o = t.slice(a, s).trim(), c = t.indexOf(`
`, a); c === -1 && (c = t.length); let u = to(e[2]), m = to(e[3]) - u, d = t.slice(s, c).trim(); t = t.slice(c).trimStart(), ta.lastIndex = 0; let f = { timestamp: u / 1e3, duration: m / 1e3, text: d, identifier: i, settings: o, notes: r }, h = {}; this.preambleEmitted || (h.config = { description: this.preambleText }, this.preambleEmitted = !0), this.options.output(f, h)
}
}
}, cf = /(?:(\d{2}):)?(\d{2}):(\d{2}).(\d{3})/, to = n => { let t = cf.exec(n); if (!t) throw new Error("Expected match."); return 60 * 60 * 1e3 * Number(t[1] || "0") + 60 * 1e3 * Number(t[2]) + 1e3 * Number(t[3]) + Number(t[4]) }, ro = n => { let t = Math.floor(n / 36e5), e = Math.floor(n % (60 * 60 * 1e3) / (60 * 1e3)), r = Math.floor(n % (60 * 1e3) / 1e3), i = n % 1e3; return t.toString().padStart(2, "0") + ":" + e.toString().padStart(2, "0") + ":" + r.toString().padStart(2, "0") + "." + i.toString().padStart(3, "0") }; var ai = class { constructor(t) { this.writer = t; this.helper = new Uint8Array(8); this.helperView = new DataView(this.helper.buffer); this.offsets = new WeakMap } writeU32(t) { this.helperView.setUint32(0, t, !1), this.writer.write(this.helper.subarray(0, 4)) } writeU64(t) { this.helperView.setUint32(0, Math.floor(t / 2 ** 32), !1), this.helperView.setUint32(4, t, !1), this.writer.write(this.helper.subarray(0, 8)) } writeAscii(t) { for (let e = 0; e < t.length; e++)this.helperView.setUint8(e % 8, t.charCodeAt(e)), e % 8 === 7 && this.writer.write(this.helper); t.length % 8 !== 0 && this.writer.write(this.helper.subarray(0, t.length % 8)) } writeBox(t) { if (this.offsets.set(t, this.writer.getPos()), t.contents && !t.children) this.writeBoxHeader(t, t.size ?? t.contents.byteLength + 8), this.writer.write(t.contents); else { let e = this.writer.getPos(); if (this.writeBoxHeader(t, 0), t.contents && this.writer.write(t.contents), t.children) for (let a of t.children) a && this.writeBox(a); let r = this.writer.getPos(), i = t.size ?? r - e; this.writer.seek(e), this.writeBoxHeader(t, i), this.writer.seek(r) } } writeBoxHeader(t, e) { this.writeU32(t.largeSize ? 1 : e), this.writeAscii(t.type), t.largeSize && this.writeU64(e) } measureBoxHeader(t) { return 8 + (t.largeSize ? 8 : 0) } patchBox(t) { let e = this.offsets.get(t); p(e !== void 0); let r = this.writer.getPos(); this.writer.seek(e), this.writeBox(t), this.writer.seek(r) } measureBox(t) { if (t.contents && !t.children) return this.measureBoxHeader(t) + t.contents.byteLength; { let e = this.measureBoxHeader(t); if (t.contents && (e += t.contents.byteLength), t.children) for (let r of t.children) r && (e += this.measureBox(r)); return e } } }, G = new Uint8Array(8), Je = new DataView(G.buffer), fe = n => [(n % 256 + 256) % 256], W = n => (Je.setUint16(0, n, !1), [G[0], G[1]]), Zc = n => (Je.setInt16(0, n, !1), [G[0], G[1]]), _d = n => (Je.setUint32(0, n, !1), [G[1], G[2], G[3]]), _ = n => (Je.setUint32(0, n, !1), [G[0], G[1], G[2], G[3]]), ar = n => (Je.setInt32(0, n, !1), [G[0], G[1], G[2], G[3]]), Mt = n => (Je.setUint32(0, Math.floor(n / 2 ** 32), !1), Je.setUint32(4, n, !1), [G[0], G[1], G[2], G[3], G[4], G[5], G[6], G[7]]), uf = n => (Je.setInt32(0, Math.floor(n / 2 ** 32), !1), Je.setUint32(4, n, !1), [G[0], G[1], G[2], G[3], G[4], G[5], G[6], G[7]]), Rd = n => (Je.setInt16(0, 2 ** 8 * n, !1), [G[0], G[1]]), kt = n => (Je.setInt32(0, 2 ** 16 * n, !1), [G[0], G[1], G[2], G[3]]), Xc = n => (Je.setInt32(0, 2 ** 30 * n, !1), [G[0], G[1], G[2], G[3]]), $c = (n, t) => { let e = [], r = n; do { let i = r & 127; r >>= 7, e.length > 0 && (i |= 128), e.push(i), t !== void 0 && t-- } while (r > 0 || t); return e.reverse() }, ne = (n, t = !1) => { let e = Array(n.length).fill(null).map((r, i) => n.charCodeAt(i)); return t && e.push(0), e }, Fd = n => { let t = n * (Math.PI / 180), e = Math.round(Math.cos(t)), r = Math.round(Math.sin(t)); return [e, r, 0, -r, e, 0, 0, 0, 1] }, Md = Fd(0), Bd = n => [kt(n[0]), kt(n[1]), Xc(n[2]), kt(n[3]), kt(n[4]), Xc(n[5]), kt(n[6]), kt(n[7]), Xc(n[8])], N = (n, t, e) => ({ type: n, contents: t && new Uint8Array(t.flat(10)), children: e }), Y = (n, t, e, r, i) => N(n, [fe(t), _d(e), r ?? []], i), Od = n => n.isQuickTime ? N("ftyp", [ne("qt "), _(512), ne("qt ")]) : n.fragmented ? n.cmaf ? N("ftyp", [ne("iso5"), _(512), ne("iso5"), ne("iso6"), ne("mp41"), ne("cmfc"), ne("dash")]) : N("ftyp", [ne("iso5"), _(512), ne("iso5"), ne("iso6"), ne("mp41")]) : N("ftyp", [ne("isom"), _(512), ne("isom"), n.holdsAvc ? ne("avc1") : [], ne("mp41")]), Jc = () => N("styp", [ne("iso5"), _(0), ne("iso5"), ne("iso6"), ne("mp41"), ne("cmfc"), ne("dash")]), eu = (n, t) => { let e = n.maxWrittenEndTimestamp - n.minWrittenTimestamp; return Number.isFinite(e) || (e = 0), Y("sidx", 1, 0, [_(1), _(Ze), Mt(ue(n.minWrittenTimestamp, Ze)), Mt(0), W(0), W(1), _(t & 2147483647), _(ue(e, Ze)), _(0)]) }, ra = n => ({ type: "mdat", largeSize: n }), Dd = n => ({ type: "free", size: n }), tn = n => N("moov", void 0, [lf(n.creationTime, n.trackDatas), ...n.trackDatas.map(t => df(t, n.creationTime)), n.isFragmented ? $f(n.trackDatas) : null, ap(n)]), lf = (n, t) => { let e = Math.max(0, ...t.map(s => ue(io(s), Ze) + ue(s.startTimestampOffset ?? 0, Ze))), r = Math.max(0, ...t.map(s => s.track.id)) + 1, i = !Ut(n) || !Ut(e), a = i ? Mt : _; return Y("mvhd", +i, 0, [a(n), a(n), _(Ze), a(e), kt(1), Rd(1), Array(10).fill(0), Bd(Md), Array(24).fill(0), _(r)]) }, io = n => { if (n.samples.length === 0) return 0; let t = 1 / 0, e = -1 / 0; for (let r = 0; r < n.samples.length; r++) { let i = n.samples[r]; i.timestamp < t && (t = i.timestamp), i.timestamp + i.duration > e && (e = i.timestamp + i.duration) } return t === 1 / 0 ? 0 : e - t }, df = (n, t) => { let e = Kd(n), r = n.startTimestampOffset !== null && n.startTimestampOffset > 0; return N("trak", void 0, [mf(n, t), r ? ff(n, n.startTimestampOffset) : null, pf(n, t), e.name !== void 0 ? N("udta", void 0, [N("name", [...$.encode(e.name)])]) : null]) }, mf = (n, t) => { let e = ue(io(n), Ze) + ue(n.startTimestampOffset ?? 0, Ze), r = !Ut(t) || !Ut(e), i = r ? Mt : _, a; if (n.type === "video") { let o = n.track.metadata.rotation; a = Fd(o ?? 0) } else a = Md; let s = 2; return n.track.metadata.disposition?.default !== !1 && (s |= 1), Y("tkhd", +r, s, [i(t), i(t), _(n.track.id), _(0), i(e), Array(8).fill(0), W(0), W(n.track.id), Rd(n.type === "audio" ? 1 : 0), W(0), Bd(a), kt(n.type === "video" ? n.info.width : 0), kt(n.type === "video" ? n.info.height : 0)]) }, ff = (n, t) => { let e = ue(t, Ze), r = ue(io(n), Ze), i = !Ut(e) || !Ut(r), a = i ? Mt : _, s = i ? uf : ar; return N("edts", void 0, [Y("elst", i ? 1 : 0, 0, [_(2), a(e), s(-1), kt(1), a(r), s(0), kt(1)])]) }, pf = (n, t) => N("mdia", void 0, [hf(n, t), tu(!0, gf[n.type], bf[n.type]), yf(n)]), hf = (n, t) => { let e = ue(io(n), n.timescale), r = !Ut(t) || !Ut(e), i = r ? Mt : _; return Y("mdhd", +r, 0, [i(t), i(t), _(n.timescale), i(e), W(qd(n.track.metadata.languageCode ?? ee)), W(0)]) }, gf = { video: "vide", audio: "soun", subtitle: "text" }, bf = { video: "MediabunnyVideoHandler", audio: "MediabunnySoundHandler", subtitle: "MediabunnyTextHandler" }, tu = (n, t, e, r = "\0\0\0\0") => Y("hdlr", 0, 0, [n ? ne("mhlr") : _(0), ne(t), ne(r), _(0), _(0), ne(e, !0)]), yf = n => N("minf", void 0, [Sf[n.type](), Af(), Cf(n)]), kf = () => Y("vmhd", 0, 1, [W(0), W(0), W(0), W(0)]), Tf = () => Y("smhd", 0, 0, [W(0), W(0)]), wf = () => Y("nmhd", 0, 0), Sf = { video: kf, audio: Tf, subtitle: wf }, Af = () => N("dinf", void 0, [xf()]), xf = () => Y("dref", 0, 0, [_(1)], [Pf()]), Pf = () => Y("url ", 0, 1), Cf = n => { let t = n.compositionTimeOffsetTable.length > 1 || n.compositionTimeOffsetTable.some(e => e.sampleCompositionTimeOffset !== 0); return N("stbl", void 0, [If(n), Hf(n), t ? jf(n) : null, t ? Xf(n) : null, Kf(n), Gf(n), Qf(n), qf(n)]) }, If = n => { let t; if (n.type === "video") t = Ef(up(n.track.source._codec, n.info.decoderConfig.codec), n); else if (n.type === "audio") { let e = Hd(n.track.source._codec, n.muxer.isQuickTime); p(e), t = Bf(e, n) } else n.type === "subtitle" && (t = Lf(mp[n.track.source._codec], n)); return p(t), Y("stsd", 0, 0, [_(1)], [t]) }, Ef = (n, t) => N(n, [Array(6).fill(0), W(1), W(0), W(0), Array(12).fill(0), W(t.info.width), W(t.info.height), _(4718592), _(4718592), _(0), W(1), Array(32).fill(0), W(24), Zc(65535)], [lp[t.track.source._codec](t), vf(t), fa(t.info.decoderConfig.colorSpace) ? _f(t) : null]), vf = n => n.info.pixelAspectRatio.num === n.info.pixelAspectRatio.den ? null : N("pasp", [_(n.info.pixelAspectRatio.num), _(n.info.pixelAspectRatio.den)]), _f = n => N("colr", [ne("nclx"), W(rt[n.info.decoderConfig.colorSpace.primaries]), W(it[n.info.decoderConfig.colorSpace.transfer]), W(nt[n.info.decoderConfig.colorSpace.matrix]), fe((n.info.decoderConfig.colorSpace.fullRange ? 1 : 0) << 7)]), Rf = n => n.info.decoderConfig && N("avcC", [...j(n.info.decoderConfig.description)]), Ff = n => n.info.decoderConfig && N("hvcC", [...j(n.info.decoderConfig.description)]), Ed = n => { if (!n.info.decoderConfig) return null; let t = n.info.decoderConfig, e = t.codec.split("."), r = Number(e[1]), i = Number(e[2]), a = Number(e[3]), s = e[4] ? Number(e[4]) : 1, o = e[8] ? Number(e[8]) : Number(t.colorSpace?.fullRange ?? 0), c = (a << 4) + (s << 1) + o, u = e[5] ? Number(e[5]) : t.colorSpace?.primaries ? rt[t.colorSpace.primaries] : 2, l = e[6] ? Number(e[6]) : t.colorSpace?.transfer ? it[t.colorSpace.transfer] : 2, m = e[7] ? Number(e[7]) : t.colorSpace?.matrix ? nt[t.colorSpace.matrix] : 2; return Y("vpcC", 1, 0, [fe(r), fe(i), fe(c), fe(u), fe(l), fe(m), W(0)]) }, Mf = n => N("av1C", Sa(n.info.decoderConfig.codec)), Bf = (n, t) => { let e = 0, r, i = 16, a = te.includes(t.track.source._codec); if (a) { let s = t.track.source._codec, { sampleSize: o } = Ae(s); i = 8 * o, i > 16 && (e = 1) } if (t.muxer.isQuickTime && (e = 1), e === 0) r = [Array(6).fill(0), W(1), W(e), W(0), _(0), W(t.info.numberOfChannels), W(i), W(0), W(0), W(t.info.sampleRate < 2 ** 16 ? t.info.sampleRate : 0), W(0)]; else { let s = a ? 0 : -2; r = [Array(6).fill(0), W(1), W(e), W(0), _(0), W(t.info.numberOfChannels), W(Math.min(i, 16)), Zc(s), W(0), W(t.info.sampleRate < 2 ** 16 ? t.info.sampleRate : 0), W(0), a ? [_(1), _(i / 8), _(t.info.numberOfChannels * i / 8)] : [_(0), _(0), _(0)], _(2)] } return N(n, r, [dp(t.track.source._codec, t.muxer.isQuickTime)?.(t) ?? null]) }, Yc = n => { let t; switch (n.track.source._codec) { case "aac": t = 64; break; case "mp3": t = 107; break; case "vorbis": t = 221; break; default: throw new Error(`Unhandled audio codec: ${n.track.source._codec}`) }let e = [...fe(t), ...fe(21), ..._d(0), ..._(0), ..._(0)]; if (n.info.decoderConfig.description) { let r = j(n.info.decoderConfig.description); e = [...e, ...fe(5), ...$c(r.byteLength), ...r] } return e = [...W(1), ...fe(0), ...fe(4), ...$c(e.length), ...e, ...fe(6), ...fe(1), ...fe(2)], e = [...fe(3), ...$c(e.length), ...e], Y("esds", 0, 0, e) }, Mr = n => N("wave", void 0, [Of(n), Df(n), N("\0\0\0\0")]), Of = n => N("frma", [ne(Hd(n.track.source._codec, n.muxer.isQuickTime))]), Df = n => { let { littleEndian: t } = Ae(n.track.source._codec); return N("enda", [W(+t)]) }, Vf = n => { let t = n.info.numberOfChannels, e = 3840, r = n.info.sampleRate, i = 0, a = 0, s = new Uint8Array(0), o = n.info.decoderConfig?.description; if (o) { p(o.byteLength >= 18); let c = j(o), u = yr(c); t = u.outputChannelCount, e = u.preSkip, r = u.inputSampleRate, i = u.outputGain, a = u.channelMappingFamily, u.channelMappingTable && (s = u.channelMappingTable) } return N("dOps", [fe(0), fe(t), W(e), _(r), Zc(i), fe(a), ...s]) }, Uf = n => { let t = n.info.decoderConfig?.description; p(t); let e = j(t); return Y("dfLa", 0, 0, [...e.subarray(4)]) }, Rt = n => { let { littleEndian: t, sampleSize: e } = Ae(n.track.source._codec), r = +t; return Y("pcmC", 0, 0, [fe(r), fe(8 * e)]) }, zf = n => { let t = Oa(n.info.firstPacket.data); if (!t) throw new Error("Couldn't extract AC-3 frame info from the audio packet. Ensure the packets contain valid AC-3 sync frames (as specified in ETSI TS 102 366)."); let e = new Uint8Array(3), r = new H(e); return r.writeBits(2, t.fscod), r.writeBits(5, t.bsid), r.writeBits(3, t.bsmod), r.writeBits(3, t.acmod), r.writeBits(1, t.lfeon), r.writeBits(5, t.bitRateCode), r.writeBits(5, 0), N("dac3", [...e]) }, Nf = n => { let t = Da(n.info.firstPacket.data); if (!t) throw new Error("Couldn't extract E-AC-3 frame info from the audio packet. Ensure the packets contain valid E-AC-3 sync frames (as specified in ETSI TS 102 366)."); let e = 16; for (let s of t.substreams) e += 23, s.numDepSub > 0 ? e += 9 : e += 1; let r = Math.ceil(e / 8), i = new Uint8Array(r), a = new H(i); a.writeBits(13, t.dataRate), a.writeBits(3, t.substreams.length - 1); for (let s of t.substreams) a.writeBits(2, s.fscod), a.writeBits(5, s.bsid), a.writeBits(1, 0), a.writeBits(1, 0), a.writeBits(3, s.bsmod), a.writeBits(3, s.acmod), a.writeBits(1, s.lfeon), a.writeBits(3, 0), a.writeBits(4, s.numDepSub), s.numDepSub > 0 ? a.writeBits(9, s.chanLoc) : a.writeBits(1, 0); return N("dec3", [...i]) }, Lf = (n, t) => N(n, [Array(6).fill(0), W(1)], [fp[t.track.source._codec](t)]), Wf = n => N("vttC", [...$.encode(n.info.config.description)]); var Hf = n => Y("stts", 0, 0, [_(n.timeToSampleTable.length), n.timeToSampleTable.map(t => [_(t.sampleCount), _(t.sampleDelta)])]), qf = n => { if (n.samples.every(e => e.type === "key")) return null; let t = [...n.samples.entries()].filter(([, e]) => e.type === "key"); return Y("stss", 0, 0, [_(t.length), t.map(([e]) => _(e + 1))]) }, Kf = n => Y("stsc", 0, 0, [_(n.compactlyCodedChunkTable.length), n.compactlyCodedChunkTable.map(t => [_(t.firstChunk), _(t.samplesPerChunk), _(1)])]), Gf = n => { if (n.type === "audio" && n.info.requiresPcmTransformation) { let { sampleSize: t } = Ae(n.track.source._codec); return Y("stsz", 0, 0, [_(t * n.info.numberOfChannels), _(n.samples.reduce((e, r) => e + ue(r.duration, n.timescale), 0))]) } return Y("stsz", 0, 0, [_(0), _(n.samples.length), n.samples.map(t => _(t.size))]) }, Qf = n => n.finalizedChunks.length > 0 && X(n.finalizedChunks).offset >= 2 ** 32 ? Y("co64", 0, 0, [_(n.finalizedChunks.length), n.finalizedChunks.map(t => Mt(t.offset))]) : Y("stco", 0, 0, [_(n.finalizedChunks.length), n.finalizedChunks.map(t => _(t.offset))]), jf = n => Y("ctts", 1, 0, [_(n.compositionTimeOffsetTable.length), n.compositionTimeOffsetTable.map(t => [_(t.sampleCount), ar(t.sampleCompositionTimeOffset)])]), Xf = n => { let t = 1 / 0, e = -1 / 0, r = 1 / 0, i = -1 / 0; p(n.compositionTimeOffsetTable.length > 0), p(n.samples.length > 0); for (let s = 0; s < n.compositionTimeOffsetTable.length; s++) { let o = n.compositionTimeOffsetTable[s]; t = Math.min(t, o.sampleCompositionTimeOffset), e = Math.max(e, o.sampleCompositionTimeOffset) } for (let s = 0; s < n.samples.length; s++) { let o = n.samples[s]; r = Math.min(r, ue(o.timestamp, n.timescale)), i = Math.max(i, ue(o.timestamp + o.duration, n.timescale)) } let a = Math.max(-t, 0); return i >= 2 ** 31 ? null : Y("cslg", 0, 0, [ar(a), ar(t), ar(e), ar(r), ar(i)]) }, $f = n => N("mvex", void 0, n.map(Yf)), Yf = n => Y("trex", 0, 0, [_(n.track.id), _(1), _(0), _(0), _(0)]), ru = (n, t) => N("moof", void 0, [Zf(n), ...t.map(Jf)]), Zf = n => Y("mfhd", 0, 0, [_(n)]), Vd = n => { let t = 0, e = 0, r = 0, i = 0, a = n.type === "delta"; return e |= +a, a ? t |= 1 : t |= 2, t << 24 | e << 16 | r << 8 | i }, Jf = n => N("traf", void 0, [ep(n), tp(n), rp(n)]), ep = n => { p(n.currentChunk); let t = 0; t |= 8, t |= 16, t |= 32, t |= 131072; let e = n.currentChunk.samples[1] ?? n.currentChunk.samples[0], r = { duration: e.timescaleUnitsToNextSample, size: e.size, flags: Vd(e) }; return Y("tfhd", 0, t, [_(n.track.id), _(r.duration), _(r.size), _(r.flags)]) }, tp = n => (p(n.currentChunk), Y("tfdt", 1, 0, [Mt(ue(n.currentChunk.startTimestamp, n.timescale))])), rp = n => { p(n.currentChunk); let t = n.currentChunk.samples.map(b => b.timescaleUnitsToNextSample), e = n.currentChunk.samples.map(b => b.size), r = n.currentChunk.samples.map(Vd), i = n.currentChunk.samples.map(b => ue(b.timestamp - b.decodeTimestamp, n.timescale)), a = new Set(t), s = new Set(e), o = new Set(r), c = new Set(i), u = o.size === 2 && r[0] !== r[1], l = a.size > 1, m = s.size > 1, d = !u && o.size > 1, f = c.size > 1 || [...c].some(b => b !== 0), h = 0; return h |= 1, h |= 4 * +u, h |= 256 * +l, h |= 512 * +m, h |= 1024 * +d, h |= 2048 * +f, Y("trun", 1, h, [_(n.currentChunk.samples.length), _(n.currentChunk.offset - n.currentChunk.moofOffset || 0), u ? _(r[0]) : [], n.currentChunk.samples.map((b, g) => [l ? _(t[g]) : [], m ? _(e[g]) : [], d ? _(r[g]) : [], f ? ar(i[g]) : []])]) }, Ud = n => N("mfra", void 0, [...n.map(ip), np()]), ip = (n, t) => Y("tfra", 1, 0, [_(n.track.id), _(63), _(n.finalizedChunks.length), n.finalizedChunks.map(r => [Mt(ue(r.samples[0].timestamp, n.timescale)), Mt(r.moofOffset), _(t + 1), _(1), _(1)])]), np = () => Y("mfro", 0, 0, [_(0)]), zd = () => N("vtte"), Nd = (n, t, e, r, i) => N("vttc", void 0, [i !== null ? N("vsid", [ar(i)]) : null, e !== null ? N("iden", [...$.encode(e)]) : null, t !== null ? N("ctim", [...$.encode(ro(t))]) : null, r !== null ? N("sttg", [...$.encode(r)]) : null, N("payl", [...$.encode(n)])]), Ld = n => N("vtta", [...$.encode(n)]), ap = n => { let t = [], e = n.format._options.metadataFormat ?? "auto", r = n.output._metadataTags; if (e === "mdir" || e === "auto" && !n.isQuickTime) { let i = op(r); i && t.push(i) } else if (e === "mdta") { let i = cp(r); i && t.push(i) } else (e === "udta" || e === "auto" && n.isQuickTime) && sp(t, n.output._metadataTags); return t.length === 0 ? null : N("udta", void 0, t) }, sp = (n, t) => { for (let { key: e, value: r } of at(t)) switch (e) { case "title": n.push(Ft("\xA9nam", r)); break; case "description": n.push(Ft("\xA9des", r)); break; case "artist": n.push(Ft("\xA9ART", r)); break; case "album": n.push(Ft("\xA9alb", r)); break; case "albumArtist": n.push(Ft("albr", r)); break; case "genre": n.push(Ft("\xA9gen", r)); break; case "date": n.push(Ft("\xA9day", r.toISOString().slice(0, 10))); break; case "comment": n.push(Ft("\xA9cmt", r)); break; case "lyrics": n.push(Ft("\xA9lyr", r)); break; case "raw": break; case "discNumber": case "discsTotal": case "trackNumber": case "tracksTotal": case "images": break; default: ae(e) }if (t.raw) for (let e in t.raw) { let r = t.raw[e]; r == null || e.length !== 4 || n.some(i => i.type === e) || (typeof r == "string" ? n.push(Ft(e, r)) : r instanceof Uint8Array && n.push(N(e, Array.from(r)))) } }, Ft = (n, t) => { let e = $.encode(t); return N(n, [W(e.length), W(qd("und")), Array.from(e)]) }, vd = { "image/jpeg": 13, "image/png": 14, "image/bmp": 27 }, Wd = (n, t) => { let e = []; for (let { key: r, value: i } of at(n)) switch (r) { case "title": e.push({ key: t ? "title" : "\xA9nam", value: yt(i) }); break; case "description": e.push({ key: t ? "description" : "\xA9des", value: yt(i) }); break; case "artist": e.push({ key: t ? "artist" : "\xA9ART", value: yt(i) }); break; case "album": e.push({ key: t ? "album" : "\xA9alb", value: yt(i) }); break; case "albumArtist": e.push({ key: t ? "album_artist" : "aART", value: yt(i) }); break; case "comment": e.push({ key: t ? "comment" : "\xA9cmt", value: yt(i) }); break; case "genre": e.push({ key: t ? "genre" : "\xA9gen", value: yt(i) }); break; case "lyrics": e.push({ key: t ? "lyrics" : "\xA9lyr", value: yt(i) }); break; case "date": e.push({ key: t ? "date" : "\xA9day", value: yt(i.toISOString().slice(0, 10)) }); break; case "images": for (let a of i) a.kind === "coverFront" && e.push({ key: "covr", value: N("data", [_(vd[a.mimeType] ?? 0), _(0), Array.from(a.data)]) }); break; case "trackNumber": if (t) { let a = n.tracksTotal !== void 0 ? `${i}/${n.tracksTotal}` : i.toString(); e.push({ key: "track", value: yt(a) }) } else e.push({ key: "trkn", value: N("data", [_(0), _(0), W(0), W(i), W(n.tracksTotal ?? 0), W(0)]) }); break; case "discNumber": t || e.push({ key: "disc", value: N("data", [_(0), _(0), W(0), W(i), W(n.discsTotal ?? 0), W(0)]) }); break; case "tracksTotal": case "discsTotal": break; case "raw": break; default: ae(r) }if (n.raw) for (let r in n.raw) { let i = n.raw[r]; i == null || !t && r.length !== 4 || e.some(a => a.key === r) || (typeof i == "string" ? e.push({ key: r, value: yt(i) }) : i instanceof Uint8Array ? e.push({ key: r, value: N("data", [_(0), _(0), Array.from(i)]) }) : i instanceof He && e.push({ key: r, value: N("data", [_(vd[i.mimeType] ?? 0), _(0), Array.from(i.data)]) })) } return e }, op = n => { let t = Wd(n, !1); return t.length === 0 ? null : Y("meta", 0, 0, void 0, [tu(!1, "mdir", "", "appl"), N("ilst", void 0, t.map(e => N(e.key, void 0, [e.value])))]) }, cp = n => { let t = Wd(n, !0); return t.length === 0 ? null : N("meta", void 0, [tu(!1, "mdta", ""), Y("keys", 0, 0, [_(t.length)], t.map(e => N("mdta", [...$.encode(e.key)]))), N("ilst", void 0, t.map((e, r) => { let i = String.fromCharCode(..._(r + 1)); return N(i, void 0, [e.value]) }))]) }, yt = n => N("data", [_(1), _(0), ...$.encode(n)]), up = (n, t) => { switch (n) { case "avc": return t.startsWith("avc3") ? "avc3" : "avc1"; case "hevc": return "hvc1"; case "vp8": return "vp08"; case "vp9": return "vp09"; case "av1": return "av01" } }, lp = { avc: Rf, hevc: Ff, vp8: Ed, vp9: Ed, av1: Mf }, Hd = (n, t) => { switch (n) { case "aac": return "mp4a"; case "mp3": return "mp4a"; case "opus": return "Opus"; case "vorbis": return "mp4a"; case "flac": return "fLaC"; case "ulaw": return "ulaw"; case "alaw": return "alaw"; case "pcm-u8": return "raw "; case "pcm-s8": return "sowt"; case "ac3": return "ac-3"; case "eac3": return "ec-3" }if (t) switch (n) { case "pcm-s16": return "sowt"; case "pcm-s16be": return "twos"; case "pcm-s24": return "in24"; case "pcm-s24be": return "in24"; case "pcm-s32": return "in32"; case "pcm-s32be": return "in32"; case "pcm-f32": return "fl32"; case "pcm-f32be": return "fl32"; case "pcm-f64": return "fl64"; case "pcm-f64be": return "fl64" } else switch (n) { case "pcm-s16": return "ipcm"; case "pcm-s16be": return "ipcm"; case "pcm-s24": return "ipcm"; case "pcm-s24be": return "ipcm"; case "pcm-s32": return "ipcm"; case "pcm-s32be": return "ipcm"; case "pcm-f32": return "fpcm"; case "pcm-f32be": return "fpcm"; case "pcm-f64": return "fpcm"; case "pcm-f64be": return "fpcm" } }, dp = (n, t) => { switch (n) { case "aac": return Yc; case "mp3": return Yc; case "opus": return Vf; case "vorbis": return Yc; case "flac": return Uf; case "ac3": return zf; case "eac3": return Nf }if (t) switch (n) { case "pcm-s24": return Mr; case "pcm-s24be": return Mr; case "pcm-s32": return Mr; case "pcm-s32be": return Mr; case "pcm-f32": return Mr; case "pcm-f32be": return Mr; case "pcm-f64": return Mr; case "pcm-f64be": return Mr } else switch (n) { case "pcm-s16": return Rt; case "pcm-s16be": return Rt; case "pcm-s24": return Rt; case "pcm-s24be": return Rt; case "pcm-s32": return Rt; case "pcm-s32be": return Rt; case "pcm-f32": return Rt; case "pcm-f32be": return Rt; case "pcm-f64": return Rt; case "pcm-f64be": return Rt }return null }, mp = { webvtt: "wvtt" }, fp = { webvtt: Wf }, qd = n => { p(n.length === 3); let t = 0; for (let e = 0; e < 3; e++)t <<= 5, t += n.charCodeAt(e) - 96; return t }; var Bt = class { constructor(t, e) { this.finalized = !1; this.started = !1; this.pos = 0; this.trackedWrites = null; this.trackedStart = -1; this.trackedEnd = -1; if (t._writerAcquired) throw new Error("Can't have multiple Writers for the same Target."); this.target = t, t._setMonotonicity(e), t._writerAcquired = !0 } start() { p(!this.started), this.target._start(), this.started = !0 } write(t) { p(this.started && !this.finalized), this.maybeTrackWrites(t), this.target._write(t, this.pos), this.pos += t.byteLength } seek(t) { this.pos = t } getPos() { return this.pos } async flush() { return p(this.started && !this.finalized), this.target._flush() } async finalize() { p(this.started && !this.finalized), await this.target._finalize(), this.finalized = !0 } maybeTrackWrites(t) { if (!this.trackedWrites) return; let e = this.getPos(); if (e < this.trackedStart) { if (e + t.byteLength <= this.trackedStart) return; t = t.subarray(this.trackedStart - e), e = 0 } let r = e + t.byteLength - this.trackedStart, i = this.trackedWrites.byteLength; for (; i < r;)i *= 2; if (i !== this.trackedWrites.byteLength) { let a = new Uint8Array(i); a.set(this.trackedWrites, 0), this.trackedWrites = a } this.trackedWrites.set(t, e - this.trackedStart), this.trackedEnd = Math.max(this.trackedEnd, e + t.byteLength) } startTrackingWrites() { this.trackedWrites = new Uint8Array(2 ** 10), this.trackedStart = this.getPos(), this.trackedEnd = this.trackedStart } stopTrackingWrites() { if (!this.trackedWrites) throw new Error("Internal error: Can't get tracked writes since nothing was tracked."); let e = { data: this.trackedWrites.subarray(0, this.trackedEnd - this.trackedStart), start: this.trackedStart, end: this.trackedEnd }; return this.trackedWrites = null, e } }; var Gd = yu(xc(), 1); var Qd = typeof Gd < "u" ? Gd : void 0, Pe = class extends je { constructor() { super(...arguments); this._writerAcquired = !1; this._monotonicity = null; this.onwrite = null } _setMonotonicity(e) { this._monotonicity !== !1 && (this._monotonicity = e) } _dispatchWrite(e, r) { this.onwrite?.(e, r), this._emit("write", { start: e, end: r }) } slice(e) { if (!Number.isInteger(e) || e < 0) throw new TypeError("offset must be a non-negative integer."); return new ia(this, e) } }, iu = 2 ** 16, nu = 2 ** 32, Br = class extends Pe { constructor(e = {}) { super(); this.buffer = null; this._maxPos = 0; if (!e || typeof e != "object") throw new TypeError("BufferTarget options, when provided, must be an object."); if (e.onFinalize !== void 0 && typeof e.onFinalize != "function") throw new TypeError("options.onFinalize, when provided, must be a function."); if (this._options = e, this._supportsResize = "resize" in new ArrayBuffer(0), this._supportsResize) try { this._buffer = new ArrayBuffer(iu, { maxByteLength: nu }) } catch { this._buffer = new ArrayBuffer(iu), this._supportsResize = !1 } else this._buffer = new ArrayBuffer(iu); this._bytes = new Uint8Array(this._buffer) } _ensureSize(e) { let r = this._buffer.byteLength; for (; r < e;)r *= 2; if (r !== this._buffer.byteLength) { if (r > nu) throw new Error(`ArrayBuffer exceeded maximum size of ${nu} bytes. Please consider using another target.`); if (this._supportsResize) this._buffer.resize(r); else { let i = new ArrayBuffer(r), a = new Uint8Array(i); a.set(this._bytes, 0), this._buffer = i, this._bytes = a } } } _start() { } _write(e, r) { this._ensureSize(r + e.byteLength), this._bytes.set(e, r), this._maxPos = Math.max(this._maxPos, r + e.byteLength), this._dispatchWrite(r, r + e.byteLength) } async _flush() { } async _finalize() { this.buffer = this._buffer.slice(0, this._maxPos), this._options.onFinalize && await this._options.onFinalize(this.buffer), this._emit("finalized") } async _close() { } _getSlice(e, r) { return this._bytes.slice(e, r) } }, pp = 2 ** 24, hp = 2, rn = class extends Pe { constructor(e, r = {}) { super(); this._sections = []; this._lastWriteEnd = 0; this._lastFlushEnd = 0; this._streamWriter = null; this._writeError = null; this._chunks = []; if (!(e instanceof WritableStream)) throw new TypeError("StreamTarget requires a WritableStream instance."); if (r != null && typeof r != "object") throw new TypeError("StreamTarget options, when provided, must be an object."); if (r.chunked !== void 0 && typeof r.chunked != "boolean") throw new TypeError("options.chunked, when provided, must be a boolean."); if (r.chunkSize !== void 0 && (!Number.isInteger(r.chunkSize) || r.chunkSize < 1024)) throw new TypeError("options.chunkSize, when provided, must be an integer and not smaller than 1024."); this._writable = e, this._options = r, this._chunked = r.chunked ?? !1, this._chunkSize = r.chunkSize ?? pp } _start() { this._streamWriter = this._writable.getWriter() } _write(e, r) { if (r > this._lastWriteEnd) { let i = r - this._lastWriteEnd; this._write(new Uint8Array(i), this._lastWriteEnd) } this._sections.push({ data: e.slice(), start: r }), this._lastWriteEnd = Math.max(this._lastWriteEnd, r + e.byteLength), this._dispatchWrite(r, r + e.byteLength) } async _flush() { if (this._writeError !== null) throw this._writeError; if (p(this._streamWriter), this._sections.length === 0) return; let e = [], r = [...this._sections].sort((i, a) => i.start - a.start); e.push({ start: r[0].start, size: r[0].data.byteLength }); for (let i = 1; i < r.length; i++) { let a = e[e.length - 1], s = r[i]; s.start <= a.start + a.size ? a.size = Math.max(a.size, s.start + s.data.byteLength - a.start) : e.push({ start: s.start, size: s.data.byteLength }) } for (let i of e) { i.data = new Uint8Array(i.size); for (let a of this._sections) i.start <= a.start && a.start < i.start + i.size && i.data.set(a.data, a.start - i.start); if (this._streamWriter.desiredSize !== null && this._streamWriter.desiredSize <= 0 && await this._streamWriter.ready, this._chunked) this._writeDataIntoChunks(i.data, i.start), this._tryToFlushChunks(); else { if (this._monotonicity === !0 && i.start !== this._lastFlushEnd) throw new Error("Internal error: Monotonicity violation."); this._streamWriter.write({ type: "write", data: i.data, position: i.start }).catch(a => { this._writeError ??= a }), this._lastFlushEnd = i.start + i.data.byteLength } } this._sections.length = 0 } _writeDataIntoChunks(e, r) { let i = this._chunks.findIndex(u => u.start <= r && r < u.start + this._chunkSize); i === -1 && (i = this._createChunk(r)); let a = this._chunks[i], s = r - a.start, o = e.subarray(0, Math.min(this._chunkSize - s, e.byteLength)); a.data.set(o, s); let c = { start: s, end: s + o.byteLength }; if (this._insertSectionIntoChunk(a, c), a.written[0].start === 0 && a.written[0].end === this._chunkSize && (a.shouldFlush = !0), this._chunks.length > hp) { for (let u = 0; u < this._chunks.length - 1; u++)this._chunks[u].shouldFlush = !0; this._tryToFlushChunks() } o.byteLength < e.byteLength && this._writeDataIntoChunks(e.subarray(o.byteLength), r + o.byteLength) } _insertSectionIntoChunk(e, r) { let i = 0, a = e.written.length - 1, s = -1; for (; i <= a;) { let o = Math.floor(i + (a - i + 1) / 2); e.written[o].start <= r.start ? (i = o + 1, s = o) : a = o - 1 } for (e.written.splice(s + 1, 0, r), (s === -1 || e.written[s].end < r.start) && s++; s < e.written.length - 1 && e.written[s].end >= e.written[s + 1].start;)e.written[s].end = Math.max(e.written[s].end, e.written[s + 1].end), e.written.splice(s + 1, 1) } _createChunk(e) { let i = { start: Math.floor(e / this._chunkSize) * this._chunkSize, data: new Uint8Array(this._chunkSize), written: [], shouldFlush: !1 }; return this._chunks.push(i), this._chunks.sort((a, s) => a.start - s.start), this._chunks.indexOf(i) } _tryToFlushChunks(e = !1) { p(this._streamWriter); for (let r = 0; r < this._chunks.length; r++) { let i = this._chunks[r]; if (!(!i.shouldFlush && !e)) { for (let a of i.written) { let s = i.start + a.start; if (this._monotonicity === !0 && s !== this._lastFlushEnd) throw new Error("Internal error: Monotonicity violation."); this._streamWriter.write({ type: "write", data: i.data.subarray(a.start, a.end), position: s }).catch(o => { this._writeError ??= o }), this._lastFlushEnd = i.start + a.end } this._chunks.splice(r--, 1) } } } async _finalize() { if (this._chunked && this._tryToFlushChunks(!0), this._writeError !== null) throw this._writeError; p(this._streamWriter), await this._streamWriter.ready, await this._streamWriter.close(), this._emit("finalized") } async _close() { return this._streamWriter?.close() } }, no = class extends Pe { constructor(e) { super(); this._writer = null; this._nextWritePos = 0; this._writable = e, this._streamTarget = new rn(new WritableStream({ start: () => { this._writer = this._writable.getWriter() }, write: r => { if (this._monotonicity !== !0) throw new Error("AppendOnlyStreamTarget requires that data be written monotonically (always appended to the end). You must use a format that guarantees this behavior."); return p(r.position === this._nextWritePos), this._nextWritePos += r.data.byteLength, p(this._writer), this._writer.write(r.data) }, close: () => this._writer?.close() })) } _start() { this._streamTarget._start() } _write(e, r) { this._streamTarget._write(e, r) } _flush() { return this._streamTarget._flush() } _finalize() { return this._streamTarget._finalize() } _close() { return this._streamTarget._close() } _setMonotonicity(e) { super._setMonotonicity(e), this._streamTarget._setMonotonicity(e) } }, ao = class extends Pe { constructor(e, r = {}) { if (typeof e != "string") throw new TypeError("filePath must be a string."); if (!r || typeof r != "object") throw new TypeError("options must be an object."); if (!Qd.fs) throw new Error("FilePathTarget is only available in server-side environments (Node.js, Bun, Deno)."); super(); this._fileHandle = null; let i = new WritableStream({ start: async () => { this._fileHandle = await Qd.fs.open(e, "w") }, write: async a => { p(this._fileHandle), await this._fileHandle.write(a.data, 0, a.data.byteLength, a.position) }, close: async () => { this._fileHandle && (await this._fileHandle.close(), this._fileHandle = null) } }); this._streamTarget = new rn(i, { chunked: !0, ...r }) } _start() { this._streamTarget._start() } _write(e, r) { this._streamTarget._write(e, r), this._dispatchWrite(r, r + e.byteLength) } async _flush() { return this._streamTarget._flush() } async _finalize() { await this._streamTarget._finalize(), this._emit("finalized") } async _close() { return this._streamTarget._close() } _setMonotonicity(e) { super._setMonotonicity(e), this._streamTarget._setMonotonicity(e) } }, Or = class extends Pe { _start() { } _write(t, e) { this._dispatchWrite(e, e + t.byteLength) } async _flush() { } async _finalize() { this._emit("finalized") } async _close() { } }, ia = class extends Pe { constructor(t, e) { super(), this._baseTarget = t, this._offset = e } _start() { } _write(t, e) { this._baseTarget._write(t, this._offset + e), this._dispatchWrite(e, e + t.byteLength) } _flush() { return this._baseTarget._flush() } async _finalize() { this._emit("finalized") } async _close() { } _setMonotonicity(t) { super._setMonotonicity(t), this._baseTarget._setMonotonicity(t) } }, Ne = class { constructor(t, e) { this.rootPath = t; this.getTarget = e; if (typeof t != "string") throw new TypeError("rootPath must be a string."); if (typeof e != "function") throw new TypeError("getTarget must be a function.") } }; var Ze = 57600, gp = 2082844800, Kd = n => { let t = {}, e = n.track; return e.metadata.name !== void 0 && (t.name = e.metadata.name), t }, ue = (n, t, e = !0) => { let r = n * t; return e ? Math.round(r) : r }, so = class extends we { constructor(e, r) { super(e); this.writer = null; this.boxWriter = null; this.initWriter = null; this.initBoxWriter = null; this.auxTarget = new Br; this.auxWriter = new Bt(this.auxTarget, !1); this.auxBoxWriter = new ai(this.auxWriter); this.mdat = null; this.ftypSize = null; this.trackDatas = []; this.allTracksKnown = J(); this.creationTime = Math.floor(Date.now() / 1e3) + gp; this.finalizedChunks = []; this.nextFragmentNumber = 1; this.maxWrittenTimestamp = -1 / 0; this.minWrittenTimestamp = 1 / 0; this.maxWrittenEndTimestamp = -1 / 0; this.segmentHeaderSize = null; this.format = r, this.isQuickTime = r instanceof oi, this.isCmaf = r instanceof si, this.minimumFragmentDuration = r._options.minimumFragmentDuration ?? (r instanceof si ? 1 / 0 : 1) } async start() { let e = await this.mutex.acquire(); if (this.isCmaf ? (this.fastStart = "fragmented", this.isFragmented = !0) : (this.writer = await this.output._getRootWriter(i => this.format._options.fastStart !== void 0 ? this.format._options.fastStart === "fragmented" : i instanceof Br), this.boxWriter = new ai(this.writer), this.fastStart = this.format._options.fastStart ?? (this.writer.target instanceof Br ? "in-memory" : !1), this.isFragmented = this.fastStart === "fragmented"), this.isCmaf) { if (!this.output._hasInitTarget()) throw new Error("CMAF outputs require the initTarget field in OutputOptions to be set; the init segment will be written to it."); let i = await this.output._getInitTarget(), a = new Bt(i, !0); a.start(), this.initWriter = a, this.initBoxWriter = new ai(a) } let r = this.output._tracks.some(i => i.isVideoTrack() && i.source._codec === "avc"); { let i = this.initBoxWriter ?? this.boxWriter; if (p(i), this.format._options.onFtyp && i.writer.startTrackingWrites(), i.writeBox(Od({ isQuickTime: this.isQuickTime, holdsAvc: r, fragmented: this.isFragmented, cmaf: this.isCmaf })), this.format._options.onFtyp) { let { data: a, start: s } = i.writer.stopTrackingWrites(); this.format._options.onFtyp(a, s) } this.ftypSize = i.writer.getPos(), this.isCmaf && await this.initWriter.flush() } if (this.fastStart !== "in-memory") if (this.fastStart === "reserve") { for (let i of this.output._tracks) if (i.metadata.maximumPacketCount === void 0) throw new Error("All tracks must specify maximumPacketCount in their metadata when using fastStart: 'reserve'.") } else this.isFragmented || (p(this.writer), p(this.boxWriter), this.format._options.onMdat && this.writer.startTrackingWrites(), this.mdat = ra(!0), this.boxWriter.writeBox(this.mdat)); await this.writer?.flush(), e() } allTracksAreKnown() { for (let e of this.output._tracks) if (!e.source._closed && !this.trackDatas.some(r => r.track === e)) return !1; return !0 } async getMimeType() { await this.allTracksKnown.promise; let e = this.trackDatas.map(r => r.type === "video" || r.type === "audio" ? r.info.decoderConfig.codec : { webvtt: "wvtt" }[r.track.source._codec]); return za({ isQuickTime: this.isQuickTime, hasVideo: this.trackDatas.some(r => r.type === "video"), hasAudio: this.trackDatas.some(r => r.type === "audio"), codecStrings: e }) } getVideoTrackData(e, r, i) { let a = this.trackDatas.find(f => f.track === e); if (a) return a; pr(i), p(i), p(i.decoderConfig); let s = { ...i.decoderConfig }; p(s.codedWidth !== void 0), p(s.codedHeight !== void 0); let o = !1; if (e.source._codec === "avc" && !s.description) { let f = Ai(r.data); if (!f) throw new Error("Couldn't extract an AVCDecoderConfigurationRecord from the AVC packet. Make sure the packets are in Annex B format (as specified in ITU-T-REC-H.264) when not providing a description, or provide a description (must be an AVCDecoderConfigurationRecord as specified in ISO 14496-15) and ensure the packets are in AVCC format."); s.description = nl(f), o = !0 } else if (e.source._codec === "hevc" && !s.description) { let f = xi(r.data); if (!f) throw new Error("Couldn't extract an HEVCDecoderConfigurationRecord from the HEVC packet. Make sure the packets are in Annex B format (as specified in ITU-T-REC-H.265) when not providing a description, or provide a description (must be an HEVCDecoderConfigurationRecord as specified in ISO 14496-15) and ensure the packets are in HEVC format."); s.description = sl(f), o = !0 } let c = Mu(1 / (e.metadata.frameRate ?? Ze), 1e6).denominator, u = s.displayAspectWidth, l = s.displayAspectHeight, m = u === void 0 || l === void 0 ? { num: 1, den: 1 } : Ht({ num: u * s.codedHeight, den: l * s.codedWidth }), d = { muxer: this, track: e, type: "video", info: { width: s.codedWidth, height: s.codedHeight, pixelAspectRatio: m, decoderConfig: s, requiresAnnexBTransformation: o }, timescale: c, samples: [], sampleQueue: [], timestampProcessingQueue: [], timeToSampleTable: [], compositionTimeOffsetTable: [], lastTimescaleUnits: null, lastSample: null, startTimestampOffset: null, finalizedChunks: [], currentChunk: null, compactlyCodedChunkTable: [], closed: !1 }; return this.trackDatas.push(d), this.trackDatas.sort((f, h) => f.track.id - h.track.id), this.allTracksAreKnown() && this.allTracksKnown.resolve(), d } getAudioTrackData(e, r, i) { let a = this.trackDatas.find(u => u.track === e); if (a) return a; _e(i), p(i), p(i.decoderConfig); let s = { ...i.decoderConfig }, o = !1; if (e.source._codec === "aac" && !s.description) { let u = Ue(ye.tempFromBytes(r.data)); if (!u) throw new Error("Couldn't parse ADTS header from the AAC packet. Make sure the packets are in ADTS format (as specified in ISO 13818-7) when not providing a description, or provide a description (must be an AudioSpecificConfig as specified in ISO 14496-3) and ensure the packets are raw AAC data."); let l = Xe[u.samplingFrequencyIndex], m = Ct[u.channelConfiguration]; if (l === void 0 || m === void 0) throw new Error("Invalid ADTS frame header."); s.description = ki({ objectType: u.objectType, sampleRate: l, numberOfChannels: m }), o = !0 } let c = { muxer: this, track: e, type: "audio", info: { numberOfChannels: i.decoderConfig.numberOfChannels, sampleRate: i.decoderConfig.sampleRate, decoderConfig: s, requiresPcmTransformation: !this.isFragmented && te.includes(e.source._codec), expectedNextPcmPacketTimestamp: null, requiresAdtsStripping: o, firstPacket: r }, timescale: s.sampleRate, samples: [], sampleQueue: [], timestampProcessingQueue: [], timeToSampleTable: [], compositionTimeOffsetTable: [], lastTimescaleUnits: null, lastSample: null, startTimestampOffset: null, finalizedChunks: [], currentChunk: null, compactlyCodedChunkTable: [], closed: !1 }; return this.trackDatas.push(c), this.trackDatas.sort((u, l) => u.track.id - l.track.id), this.allTracksAreKnown() && this.allTracksKnown.resolve(), c } getSubtitleTrackData(e, r) { let i = this.trackDatas.find(s => s.track === e); if (i) return i; xa(r), p(r), p(r.config); let a = { muxer: this, track: e, type: "subtitle", info: { config: r.config }, timescale: 1e3, samples: [], sampleQueue: [], timestampProcessingQueue: [], timeToSampleTable: [], compositionTimeOffsetTable: [], lastTimescaleUnits: null, lastSample: null, startTimestampOffset: null, finalizedChunks: [], currentChunk: null, compactlyCodedChunkTable: [], closed: !1, lastCueEndTimestamp: 0, cueQueue: [], nextSourceId: 0, cueToSourceId: new WeakMap }; return this.trackDatas.push(a), this.trackDatas.sort((s, o) => s.track.id - o.track.id), this.allTracksAreKnown() && this.allTracksKnown.resolve(), a } async addEncodedVideoPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getVideoTrackData(e, r, i), o = r.data; if (s.info.requiresAnnexBTransformation) { let u = [...br(o)].map(l => o.subarray(l.offset, l.offset + l.length)); if (u.length === 0) throw new Error("Failed to transform packet data. Make sure all packets are provided in Annex B format, as specified in ITU-T-REC-H.264 and ITU-T-REC-H.265."); o = _a(u, 4) } this.validateTimestamp(s.track, r.timestamp, r.type === "key"); let c = this.createSampleForTrack(s, o, r.timestamp, r.duration, r.type); await this.registerSample(s, c) } finally { a() } } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getAudioTrackData(e, r, i), o = r.data; if (s.info.requiresAdtsStripping) { let m = Ue(ye.tempFromBytes(o)); if (!m) throw new Error("Expected ADTS frame, didn't get one."); let d = m.crcCheck === null ? rr : Ke; o = o.subarray(d) } this.validateTimestamp(s.track, r.timestamp, r.type === "key"); let c = r.timestamp, u = r.duration; if (s.info.requiresPcmTransformation) { let d = Ae(s.info.decoderConfig.codec).sampleSize * s.info.numberOfChannels; if (u = o.byteLength / d / s.info.sampleRate, s.info.expectedNextPcmPacketTimestamp !== null) { let f = c - s.info.expectedNextPcmPacketTimestamp; if (f < .01) c = s.info.expectedNextPcmPacketTimestamp; else { let h = await this.padWithSilence(s, s.info.expectedNextPcmPacketTimestamp, f); c = s.info.expectedNextPcmPacketTimestamp + h } } s.info.expectedNextPcmPacketTimestamp = c + u } let l = this.createSampleForTrack(s, o, c, u, r.type); await this.registerSample(s, l) } finally { a() } } async padWithSilence(e, r, i) { let a = ue(i, e.timescale); if (i = a / e.timescale, a > 0) { let { sampleSize: s, silentValue: o } = Ae(e.info.decoderConfig.codec), c = a * e.info.numberOfChannels, u = new Uint8Array(s * c).fill(o), l = this.createSampleForTrack(e, new Uint8Array(u.buffer), r, i, "key"); await this.registerSample(e, l) } return i } async addSubtitleCue(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getSubtitleTrackData(e, i); this.validateTimestamp(s.track, r.timestamp, !0), e.source._codec === "webvtt" && (s.cueQueue.push(r), await this.processWebVTTCues(s, r.timestamp)) } finally { a() } } async processWebVTTCues(e, r) { for (; e.cueQueue.length > 0;) { let i = new Set([]); for (let l of e.cueQueue) p(l.timestamp <= r), p(e.lastCueEndTimestamp <= l.timestamp + l.duration), i.add(Math.max(l.timestamp, e.lastCueEndTimestamp)), i.add(l.timestamp + l.duration); let a = [...i].sort((l, m) => l - m), s = a[0], o = a[1] ?? s; if (r < o) break; if (e.lastCueEndTimestamp < s) { this.auxWriter.seek(0); let l = zd(); this.auxBoxWriter.writeBox(l); let m = this.auxTarget._getSlice(0, this.auxWriter.getPos()), d = this.createSampleForTrack(e, m, e.lastCueEndTimestamp, s - e.lastCueEndTimestamp, "key"); await this.registerSample(e, d), e.lastCueEndTimestamp = s } this.auxWriter.seek(0); for (let l = 0; l < e.cueQueue.length; l++) { let m = e.cueQueue[l]; if (m.timestamp >= o) break; en.lastIndex = 0; let d = en.test(m.text), f = m.timestamp + m.duration, h = e.cueToSourceId.get(m); if (h === void 0 && o < f && (h = e.nextSourceId++, e.cueToSourceId.set(m, h)), m.notes) { let g = Ld(m.notes); this.auxBoxWriter.writeBox(g) } let b = Nd(m.text, d ? s : null, m.identifier ?? null, m.settings ?? null, h ?? null); this.auxBoxWriter.writeBox(b), f === o && e.cueQueue.splice(l--, 1) } let c = this.auxTarget._getSlice(0, this.auxWriter.getPos()), u = this.createSampleForTrack(e, c, s, o - s, "key"); await this.registerSample(e, u), e.lastCueEndTimestamp = o } } createSampleForTrack(e, r, i, a, s) { return { timestamp: i, decodeTimestamp: i, duration: a, data: r, size: r.byteLength, type: s, timescaleUnitsToNextSample: ue(a, e.timescale) } } processTimestamps(e, r) { if (e.timestampProcessingQueue.length === 0) return; if (e.type === "audio" && e.info.requiresPcmTransformation) { this.isFragmented || (e.startTimestampOffset ??= e.timestampProcessingQueue[0].timestamp); let a = 0; for (let s = 0; s < e.timestampProcessingQueue.length; s++) { let o = e.timestampProcessingQueue[s], c = ue(o.duration, e.timescale); a += c } if (e.timeToSampleTable.length === 0) e.timeToSampleTable.push({ sampleCount: a, sampleDelta: 1 }); else { let s = X(e.timeToSampleTable); s.sampleCount += a } e.timestampProcessingQueue.length = 0; return } let i = e.timestampProcessingQueue.map(a => a.timestamp).sort((a, s) => a - s); this.isFragmented || (e.startTimestampOffset ??= i[0]); for (let a = 0; a < e.timestampProcessingQueue.length; a++) { let s = e.timestampProcessingQueue[a]; s.decodeTimestamp = i[a]; let o = ue(s.timestamp - s.decodeTimestamp, e.timescale), c = ue(s.duration, e.timescale); if (e.lastTimescaleUnits !== null) { p(e.lastSample); let u = ue(s.decodeTimestamp, e.timescale, !1), l = Math.round(u - e.lastTimescaleUnits); if (p(l >= 0), e.lastTimescaleUnits += l, e.lastSample.timescaleUnitsToNextSample = l, !this.isFragmented) { let m = X(e.timeToSampleTable); if (p(m), m.sampleCount === 1) { m.sampleDelta = l; let f = e.timeToSampleTable[e.timeToSampleTable.length - 2]; f && f.sampleDelta === l && (f.sampleCount++, e.timeToSampleTable.pop(), m = f) } else m.sampleDelta !== l && (m.sampleCount--, e.timeToSampleTable.push(m = { sampleCount: 1, sampleDelta: l })); m.sampleDelta === c ? m.sampleCount++ : e.timeToSampleTable.push({ sampleCount: 1, sampleDelta: c }); let d = X(e.compositionTimeOffsetTable); p(d), d.sampleCompositionTimeOffset === o ? d.sampleCount++ : e.compositionTimeOffsetTable.push({ sampleCount: 1, sampleCompositionTimeOffset: o }) } } else e.lastTimescaleUnits = ue(s.decodeTimestamp, e.timescale, !1), this.isFragmented || (e.timeToSampleTable.push({ sampleCount: 1, sampleDelta: c }), e.compositionTimeOffsetTable.push({ sampleCount: 1, sampleCompositionTimeOffset: o })); e.lastSample = s } if (e.timestampProcessingQueue.length = 0, p(e.lastSample), p(e.lastTimescaleUnits !== null), r !== void 0 && e.lastSample.timescaleUnitsToNextSample === 0) { p(r.type === "key"); let a = ue(r.timestamp, e.timescale, !1), s = Math.round(a - e.lastTimescaleUnits); e.lastSample.timescaleUnitsToNextSample = s } } async registerSample(e, r) { r.type === "key" && this.processTimestamps(e, r), e.timestampProcessingQueue.push(r), this.isFragmented ? (e.sampleQueue.push(r), await this.interleaveSamples()) : this.fastStart === "reserve" ? await this.registerSampleFastStartReserve(e, r) : await this.addSampleToTrack(e, r) } async addSampleToTrack(e, r) { if (!this.isFragmented && (e.samples.push(r), this.fastStart === "reserve")) { let a = e.track.metadata.maximumPacketCount; if (p(a !== void 0), e.samples.length > a) throw new Error(`Track #${e.track.id} has already reached the maximum packet count (${a}). Either add less packets or increase the maximum packet count.`) } let i = !1; if (!e.currentChunk) i = !0; else { e.currentChunk.startTimestamp = Math.min(e.currentChunk.startTimestamp, r.timestamp); let a = r.timestamp - e.currentChunk.startTimestamp; if (this.isFragmented) { let s = this.trackDatas.every(o => { if (e === o) return r.type === "key"; let c = o.sampleQueue[0]; return c ? c.type === "key" : o.closed }); a >= this.minimumFragmentDuration && s && r.timestamp > this.maxWrittenTimestamp && (i = !0, await this.finalizeFragment()) } else i = a >= .5 } i && (e.currentChunk && await this.finalizeCurrentChunk(e), e.currentChunk = { startTimestamp: r.timestamp, samples: [], offset: null, moofOffset: null }), p(e.currentChunk), e.currentChunk.samples.push(r), this.isFragmented && (this.maxWrittenTimestamp = Math.max(this.maxWrittenTimestamp, r.timestamp), this.maxWrittenEndTimestamp = Math.max(this.maxWrittenEndTimestamp, r.timestamp + r.duration), this.minWrittenTimestamp = Math.min(this.minWrittenTimestamp, r.timestamp)) } async finalizeCurrentChunk(e) { if (p(!this.isFragmented), p(this.writer), !e.currentChunk) return; e.finalizedChunks.push(e.currentChunk), this.finalizedChunks.push(e.currentChunk); let r = e.currentChunk.samples.length; if (e.type === "audio" && e.info.requiresPcmTransformation && (r = e.currentChunk.samples.reduce((i, a) => i + ue(a.duration, e.timescale), 0)), (e.compactlyCodedChunkTable.length === 0 || X(e.compactlyCodedChunkTable).samplesPerChunk !== r) && e.compactlyCodedChunkTable.push({ firstChunk: e.finalizedChunks.length, samplesPerChunk: r }), this.fastStart === "in-memory") { e.currentChunk.offset = 0; return } e.currentChunk.offset = this.writer.getPos(); for (let i of e.currentChunk.samples) p(i.data), this.writer.write(i.data), i.data = null; await this.writer.flush() } async interleaveSamples(e = !1) { if (p(this.isFragmented), !(!e && !this.allTracksAreKnown())) e: for (; ;) { let r = null, i = 1 / 0; for (let s of this.trackDatas) { if (!e && s.sampleQueue.length === 0 && !s.closed) break e; s.sampleQueue.length > 0 && s.sampleQueue[0].timestamp < i && (r = s, i = s.sampleQueue[0].timestamp) } if (!r) break; let a = r.sampleQueue.shift(); await this.addSampleToTrack(r, a) } } async finalizeFragment(e = !this.isCmaf) { p(this.isFragmented); let r = this.nextFragmentNumber++; if (r === 1) { let h = this.initBoxWriter ?? this.boxWriter; p(h), this.format._options.onMoov && h.writer.startTrackingWrites(); let b = tn(this); if (h.writeBox(b), this.format._options.onMoov) { let { data: g, start: y } = h.writer.stopTrackingWrites(); this.format._options.onMoov(g, y) } if (this.isCmaf) { p(this.initWriter), await this.initWriter.flush(), await this.initWriter.finalize(), this.writer = await this.output._getRootWriter(!0), this.boxWriter = new ai(this.writer); let g = this.boxWriter.measureBox(Jc()), y = this.boxWriter.measureBox(eu(this, 0)); this.segmentHeaderSize = g + y, this.writer.seek(this.segmentHeaderSize) } } p(this.writer), p(this.boxWriter); let i = this.trackDatas.filter(h => h.currentChunk), a = ru(r, i), s = this.writer.getPos(), o = s + this.boxWriter.measureBox(a), c = o + ut, u = 1 / 0; for (let h of i) { h.currentChunk.offset = c, h.currentChunk.moofOffset = s; for (let b of h.currentChunk.samples) c += b.size; u = Math.min(u, h.currentChunk.startTimestamp) } let l = c - o, m = l >= 2 ** 32; if (m) for (let h of i) h.currentChunk.offset += Xt - ut; this.format._options.onMoof && this.writer.startTrackingWrites(); let d = ru(r, i); if (this.boxWriter.writeBox(d), this.format._options.onMoof) { let { data: h, start: b } = this.writer.stopTrackingWrites(); this.format._options.onMoof(h, b, u) } p(this.writer.getPos() === o), this.format._options.onMdat && this.writer.startTrackingWrites(); let f = ra(m); f.size = l, this.boxWriter.writeBox(f), this.writer.seek(o + (m ? Xt : ut)); for (let h of i) for (let b of h.currentChunk.samples) this.writer.write(b.data), b.data = null; if (this.format._options.onMdat) { let { data: h, start: b } = this.writer.stopTrackingWrites(); this.format._options.onMdat(h, b) } for (let h of i) h.finalizedChunks.push(h.currentChunk), this.finalizedChunks.push(h.currentChunk), h.currentChunk = null; e && await this.writer.flush() } async registerSampleFastStartReserve(e, r) { if (p(this.writer), p(this.boxWriter), this.allTracksAreKnown()) { if (!this.mdat) { let i = tn(this), s = this.boxWriter.measureBox(i) + this.computeSampleTableSizeUpperBound() + 4096; p(this.ftypSize !== null), this.writer.seek(this.ftypSize + s), this.format._options.onMdat && this.writer.startTrackingWrites(), this.mdat = ra(!0), this.boxWriter.writeBox(this.mdat); for (let o of this.trackDatas) { for (let c of o.sampleQueue) await this.addSampleToTrack(o, c); o.sampleQueue.length = 0 } } await this.addSampleToTrack(e, r) } else e.sampleQueue.push(r) } computeSampleTableSizeUpperBound() { p(this.fastStart === "reserve"); let e = 0; for (let r of this.trackDatas) { let i = r.track.metadata.maximumPacketCount; p(i !== void 0), e += 8 * Math.ceil(2 / 3 * i), e += 4 * i, e += 8 * Math.ceil(2 / 3 * i), e += 12 * Math.ceil(2 / 3 * i), e += 4 * i, e += 8 * i } return e } async onTrackClose(e) { let r = await this.mutex.acquire(), i = this.trackDatas.find(a => a.track === e); i && (i.closed = !0, i.type === "subtitle" && e.source._codec === "webvtt" && await this.processWebVTTCues(i, 1 / 0), this.processTimestamps(i)), this.allTracksAreKnown() && this.allTracksKnown.resolve(), this.isFragmented && await this.interleaveSamples(), r() } async finalize() { let e = await this.mutex.acquire(); this.allTracksKnown.resolve(); for (let r of this.trackDatas) r.closed = !0, r.type === "subtitle" && r.track.source._codec === "webvtt" && await this.processWebVTTCues(r, 1 / 0), this.processTimestamps(r); if (this.isFragmented) await this.interleaveSamples(!0), await this.finalizeFragment(!1); else for (let r of this.trackDatas) { await this.finalizeCurrentChunk(r), p(r.startTimestampOffset !== null); for (let i = 0; i < r.samples.length; i++) { let a = r.samples[i]; a.timestamp -= r.startTimestampOffset, a.decodeTimestamp -= r.startTimestampOffset } } if (p(this.writer), p(this.boxWriter), this.fastStart === "in-memory") { this.mdat = ra(!1); let r; for (let a = 0; a < 2; a++) { let s = tn(this), o = this.boxWriter.measureBox(s); r = this.boxWriter.measureBox(this.mdat); let c = this.writer.getPos() + o + r; for (let u of this.finalizedChunks) { u.offset = c; for (let { data: l } of u.samples) p(l), c += l.byteLength, r += l.byteLength } if (c < 2 ** 32) break; r >= 2 ** 32 && (this.mdat.largeSize = !0) } this.format._options.onMoov && this.writer.startTrackingWrites(); let i = tn(this); if (this.boxWriter.writeBox(i), this.format._options.onMoov) { let { data: a, start: s } = this.writer.stopTrackingWrites(); this.format._options.onMoov(a, s) } this.format._options.onMdat && this.writer.startTrackingWrites(), this.mdat.size = r, this.boxWriter.writeBox(this.mdat); for (let a of this.finalizedChunks) for (let s of a.samples) p(s.data), this.writer.write(s.data), s.data = null; if (this.format._options.onMdat) { let { data: a, start: s } = this.writer.stopTrackingWrites(); this.format._options.onMdat(a, s) } } else if (this.isFragmented) if (this.isCmaf) { let r = this.segmentHeaderSize !== null ? this.writer.getPos() - this.segmentHeaderSize : 0; this.writer.seek(0), this.boxWriter.writeBox(Jc()), this.boxWriter.writeBox(eu(this, r)) } else { let r = this.writer.getPos(), i = Ud(this.trackDatas); this.boxWriter.writeBox(i); let a = this.writer.getPos() - r; this.writer.seek(this.writer.getPos() - 4), this.boxWriter.writeU32(a) } else { p(this.mdat); let r = this.boxWriter.offsets.get(this.mdat); p(r !== void 0); let i = this.writer.getPos() - r; if (this.mdat.size = i, this.mdat.largeSize = i >= 2 ** 32, this.boxWriter.patchBox(this.mdat), this.format._options.onMdat) { let { data: s, start: o } = this.writer.stopTrackingWrites(); this.format._options.onMdat(s, o) } let a = tn(this); if (this.fastStart === "reserve") { p(this.ftypSize !== null), this.writer.seek(this.ftypSize), this.format._options.onMoov && this.writer.startTrackingWrites(), this.boxWriter.writeBox(a); let s = this.boxWriter.offsets.get(this.mdat) - this.writer.getPos(); this.boxWriter.writeBox(Dd(s)) } else this.format._options.onMoov && this.writer.startTrackingWrites(), this.boxWriter.writeBox(a); if (this.format._options.onMoov) { let { data: s, start: o } = this.writer.stopTrackingWrites(); this.format._options.onMoov(s, o) } } e() } }; var bp = -(2 ** 15), yp = 2 ** 15 - 1, jd = "Mediabunny", Xd = 6, $d = 5, kp = { video: 1, audio: 2, subtitle: 17 }, oo = class extends we {
constructor(e, r) { super(e); this.trackDatas = []; this.allTracksKnown = J(); this.segment = null; this.segmentInfo = null; this.seekHead = null; this.tracksElement = null; this.tagsElement = null; this.attachmentsElement = null; this.segmentDuration = null; this.cues = null; this.currentCluster = null; this.currentClusterStartMsTimestamp = null; this.currentClusterMaxMsTimestamp = null; this.trackDatasInCurrentCluster = new Map; this.startTimestamp = 1 / 0; this.endTimestamp = -1 / 0; this.format = r } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(!!this.format._options.appendOnly), this.ebmlWriter = new Xa(this.writer), this.writeEBMLHeader(), this.createSegmentInfo(), this.createCues(), await this.writer.flush(), e() } writeEBMLHeader() { this.format._options.onEbmlHeader && this.writer.startTrackingWrites(); let e = { id: 440786851, data: [{ id: 17030, data: 1 }, { id: 17143, data: 1 }, { id: 17138, data: 4 }, { id: 17139, data: 8 }, { id: 17026, data: this.format instanceof ci ? "webm" : "matroska" }, { id: 17031, data: 2 }, { id: 17029, data: 2 }] }; if (this.ebmlWriter.writeEBML(e), this.format._options.onEbmlHeader) { let { data: r, start: i } = this.writer.stopTrackingWrites(); this.format._options.onEbmlHeader(r, i) } } maybeCreateSeekHead(e) { if (this.format._options.appendOnly) return; let r = new Uint8Array([28, 83, 187, 107]), i = new Uint8Array([21, 73, 169, 102]), a = new Uint8Array([22, 84, 174, 107]), s = new Uint8Array([25, 65, 164, 105]), o = new Uint8Array([18, 84, 195, 103]), c = { id: 290298740, data: [{ id: 19899, data: [{ id: 21419, data: r }, { id: 21420, size: 5, data: e ? this.ebmlWriter.offsets.get(this.cues) - this.segmentDataOffset : 0 }] }, { id: 19899, data: [{ id: 21419, data: i }, { id: 21420, size: 5, data: e ? this.ebmlWriter.offsets.get(this.segmentInfo) - this.segmentDataOffset : 0 }] }, { id: 19899, data: [{ id: 21419, data: a }, { id: 21420, size: 5, data: e ? this.ebmlWriter.offsets.get(this.tracksElement) - this.segmentDataOffset : 0 }] }, this.attachmentsElement ? { id: 19899, data: [{ id: 21419, data: s }, { id: 21420, size: 5, data: e ? this.ebmlWriter.offsets.get(this.attachmentsElement) - this.segmentDataOffset : 0 }] } : null, this.tagsElement ? { id: 19899, data: [{ id: 21419, data: o }, { id: 21420, size: 5, data: e ? this.ebmlWriter.offsets.get(this.tagsElement) - this.segmentDataOffset : 0 }] } : null] }; this.seekHead = c } createSegmentInfo() { let e = { id: 17545, data: new Ri(0) }; this.segmentDuration = e; let r = { id: 357149030, data: [{ id: 2807729, data: 1e6 }, { id: 19840, data: jd }, { id: 22337, data: jd }, this.format._options.appendOnly ? null : e] }; this.segmentInfo = r } createTracks() { let e = { id: 374648427, data: [] }; this.tracksElement = e; for (let r of this.trackDatas) { let i = Me[r.track.source._codec]; p(i); let a = 0; if (r.type === "audio" && r.track.source._codec === "opus") { a = 1e6 * 80; let s = r.info.decoderConfig.description; if (s) { let o = j(s), c = yr(o); a = Math.round(1e9 * (c.preSkip / ot)) } } e.data.push({ id: 174, data: [{ id: 215, data: r.track.id }, { id: 29637, data: r.track.id }, { id: 131, data: kp[r.type] }, r.track.metadata.disposition?.default === !1 ? { id: 136, data: 0 } : null, r.track.metadata.disposition?.forced ? { id: 21930, data: 1 } : null, r.track.metadata.disposition?.hearingImpaired ? { id: 21931, data: 1 } : null, r.track.metadata.disposition?.visuallyImpaired ? { id: 21932, data: 1 } : null, r.track.metadata.disposition?.original ? { id: 21934, data: 1 } : null, r.track.metadata.disposition?.commentary ? { id: 21935, data: 1 } : null, { id: 156, data: 0 }, { id: 2274716, data: r.track.metadata.languageCode ?? ee }, { id: 134, data: i }, { id: 22186, data: 0 }, { id: 22203, data: a }, r.track.metadata.name !== void 0 ? { id: 21358, data: new ft(r.track.metadata.name) } : null, r.type === "video" ? this.videoSpecificTrackInfo(r) : null, r.type === "audio" ? this.audioSpecificTrackInfo(r) : null, r.type === "subtitle" ? this.subtitleSpecificTrackInfo(r) : null] }) } } videoSpecificTrackInfo(e) { let { frameRate: r, rotation: i } = e.track.metadata, a = [e.info.decoderConfig.description ? { id: 25506, data: j(e.info.decoderConfig.description) } : null, r ? { id: 2352003, data: 1e9 / r } : null], s = i ? Tt(-i) : 0, o = !!e.info.aspectRatio && e.info.aspectRatio.num * e.info.height !== e.info.aspectRatio.den * e.info.width, c = e.info.decoderConfig.colorSpace, u = { id: 224, data: [{ id: 176, data: e.info.width }, { id: 186, data: e.info.height }, o ? { id: 21680, data: e.info.aspectRatio.num } : null, o ? { id: 21690, data: e.info.aspectRatio.den } : null, o ? { id: 21682, data: 3 } : null, e.info.alphaMode ? { id: 21440, data: 1 } : null, fa(c) ? { id: 21936, data: [{ id: 21937, data: nt[c.matrix] }, { id: 21946, data: it[c.transfer] }, { id: 21947, data: rt[c.primaries] }, { id: 21945, data: c.fullRange ? 2 : 1 }] } : null, s ? { id: 30320, data: [{ id: 30321, data: 0 }, { id: 30325, data: new _i((s + 180) % 360 - 180) }] } : null] }; return a.push(u), a } audioSpecificTrackInfo(e) { let r = te.includes(e.track.source._codec) ? Ae(e.track.source._codec) : null; return [e.info.decoderConfig.description ? { id: 25506, data: j(e.info.decoderConfig.description) } : null, { id: 225, data: [{ id: 181, data: new _i(e.info.sampleRate) }, { id: 159, data: e.info.numberOfChannels }, r ? { id: 25188, data: 8 * r.sampleSize } : null] }] } subtitleSpecificTrackInfo(e) { return [{ id: 25506, data: $.encode(e.info.config.description) }] } maybeCreateTags() { let e = [], r = (s, o) => { e.push({ id: 26568, data: [{ id: 17827, data: new ft(s) }, typeof o == "string" ? { id: 17543, data: new ft(o) } : { id: 17541, data: o }] }) }, i = this.output._metadataTags, a = new Set; for (let { key: s, value: o } of at(i)) switch (s) { case "title": r("TITLE", o), a.add("TITLE"); break; case "description": r("DESCRIPTION", o), a.add("DESCRIPTION"); break; case "artist": r("ARTIST", o), a.add("ARTIST"); break; case "album": r("ALBUM", o), a.add("ALBUM"); break; case "albumArtist": r("ALBUM_ARTIST", o), a.add("ALBUM_ARTIST"); break; case "genre": r("GENRE", o), a.add("GENRE"); break; case "comment": r("COMMENT", o), a.add("COMMENT"); break; case "lyrics": r("LYRICS", o), a.add("LYRICS"); break; case "date": r("DATE", o.toISOString().slice(0, 10)), a.add("DATE"); break; case "trackNumber": { let c = i.tracksTotal !== void 0 ? `${o}/${i.tracksTotal}` : o.toString(); r("PART_NUMBER", c), a.add("PART_NUMBER") } break; case "discNumber": { let c = i.discsTotal !== void 0 ? `${o}/${i.discsTotal}` : o.toString(); r("DISC", c), a.add("DISC") } break; case "tracksTotal": case "discsTotal": break; case "images": case "raw": break; default: ae(s) }if (i.raw) for (let s in i.raw) { let o = i.raw[s]; o == null || a.has(s) || (typeof o == "string" || o instanceof Uint8Array) && r(s, o) } e.length !== 0 && (this.tagsElement = { id: 307544935, data: [{ id: 29555, data: [{ id: 25536, data: [{ id: 26826, data: 50 }, { id: 25546, data: "MOVIE" }] }, ...e] }] }) } maybeCreateAttachments() { let e = this.output._metadataTags, r = [], i = new Set, a = e.images ?? []; for (let s of a) { let o = s.name; o === void 0 && (o = (s.kind === "coverFront" ? "cover" : s.kind === "coverBack" ? "back" : "image") + (Ou(s.mimeType) ?? "")); let c; for (; ;) { c = 0n; for (let u = 0; u < 8; u++)c <<= 8n, c |= BigInt(Math.floor(Math.random() * 256)); if (c !== 0n && !i.has(c)) break } i.add(c), r.push({ id: 24999, data: [s.description !== void 0 ? { id: 18046, data: new ft(s.description) } : null, { id: 18030, data: new ft(o) }, { id: 18016, data: s.mimeType }, { id: 18012, data: s.data }, { id: 18094, data: c }] }) } for (let [s, o] of Object.entries(e.raw ?? {})) !(o instanceof Kt) || !/^\d+$/.test(s) || a.find(u => u.mimeType === o.mimeType && ga(u.data, o.data)) || r.push({ id: 24999, data: [o.description !== void 0 ? { id: 18046, data: new ft(o.description) } : null, { id: 18030, data: new ft(o.name ?? "") }, { id: 18016, data: o.mimeType ?? "" }, { id: 18012, data: o.data }, { id: 18094, data: BigInt(s) }] }); r.length !== 0 && (this.attachmentsElement = { id: 423732329, data: r }) } createSegment() { this.createTracks(), this.maybeCreateTags(), this.maybeCreateAttachments(), this.maybeCreateSeekHead(!1); let e = { id: 408125543, size: this.format._options.appendOnly ? -1 : Xd, data: [this.seekHead, this.segmentInfo, this.tracksElement, this.attachmentsElement, this.tagsElement] }; if (this.segment = e, this.format._options.onSegmentHeader && this.writer.startTrackingWrites(), this.ebmlWriter.writeEBML(e), this.format._options.onSegmentHeader) { let { data: r, start: i } = this.writer.stopTrackingWrites(); this.format._options.onSegmentHeader(r, i) } } createCues() { this.cues = { id: 475249515, data: [] } } get segmentDataOffset() { return p(this.segment), this.ebmlWriter.dataOffsets.get(this.segment) } allTracksAreKnown() { for (let e of this.output._tracks) if (!e.source._closed && !this.trackDatas.some(r => r.track === e)) return !1; return !0 } async getMimeType() { await this.allTracksKnown.promise; let e = this.trackDatas.map(r => r.type === "video" || r.type === "audio" ? r.info.decoderConfig.codec : { webvtt: "wvtt" }[r.track.source._codec]); return Ja({ isWebM: this.format instanceof ci, hasVideo: this.trackDatas.some(r => r.type === "video"), hasAudio: this.trackDatas.some(r => r.type === "audio"), codecStrings: e }) } getVideoTrackData(e, r, i) { let a = this.trackDatas.find(l => l.track === e); if (a) return a; pr(i), p(i), p(i.decoderConfig), p(i.decoderConfig.codedWidth !== void 0), p(i.decoderConfig.codedHeight !== void 0); let s = i.decoderConfig.displayAspectWidth, o = i.decoderConfig.displayAspectHeight, c = s === void 0 || o === void 0 ? null : Ht({ num: s, den: o }), u = { track: e, type: "video", info: { width: i.decoderConfig.codedWidth, height: i.decoderConfig.codedHeight, aspectRatio: c, decoderConfig: i.decoderConfig, alphaMode: !!r.sideData.alpha }, chunkQueue: [], lastWrittenMsTimestamp: null, closed: !1 }; return e.source._codec === "vp9" ? u.info.decoderConfig = { ...u.info.decoderConfig, description: new Uint8Array(Qu(u.info.decoderConfig.codec)) } : e.source._codec === "av1" && (u.info.decoderConfig = { ...u.info.decoderConfig, description: new Uint8Array(Sa(u.info.decoderConfig.codec)) }), this.trackDatas.push(u), this.trackDatas.sort((l, m) => l.track.id - m.track.id), this.allTracksAreKnown() && this.allTracksKnown.resolve(), u } getAudioTrackData(e, r, i) { let a = this.trackDatas.find(u => u.track === e); if (a) return a; _e(i), p(i), p(i.decoderConfig); let s = { ...i.decoderConfig }, o = !1; if (e.source._codec === "aac" && !s.description) { let u = Ue(ye.tempFromBytes(r.data)); if (!u) throw new Error("Couldn't parse ADTS header from the AAC packet. Make sure the packets are in ADTS format (as specified in ISO 13818-7) when not providing a description, or provide a description (must be an AudioSpecificConfig as specified in ISO 14496-3) and ensure the packets are raw AAC data."); let l = Xe[u.samplingFrequencyIndex], m = Ct[u.channelConfiguration]; if (l === void 0 || m === void 0) throw new Error("Invalid ADTS frame header."); s.description = ki({ objectType: u.objectType, sampleRate: l, numberOfChannels: m }), o = !0 } let c = { track: e, type: "audio", info: { numberOfChannels: i.decoderConfig.numberOfChannels, sampleRate: i.decoderConfig.sampleRate, decoderConfig: s, requiresAdtsStripping: o }, chunkQueue: [], lastWrittenMsTimestamp: null, closed: !1 }; return this.trackDatas.push(c), this.trackDatas.sort((u, l) => u.track.id - l.track.id), this.allTracksAreKnown() && this.allTracksKnown.resolve(), c } getSubtitleTrackData(e, r) { let i = this.trackDatas.find(s => s.track === e); if (i) return i; xa(r), p(r), p(r.config); let a = { track: e, type: "subtitle", info: { config: r.config }, chunkQueue: [], lastWrittenMsTimestamp: null, closed: !1 }; return this.trackDatas.push(a), this.trackDatas.sort((s, o) => s.track.id - o.track.id), this.allTracksAreKnown() && this.allTracksKnown.resolve(), a } async addEncodedVideoPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getVideoTrackData(e, r, i), o = r.type === "key"; this.validateTimestamp(s.track, r.timestamp, o); let c = r.timestamp, u = r.duration; e.metadata.frameRate !== void 0 && (c = St(c, e.metadata.frameRate), u = St(u, e.metadata.frameRate)); let l = s.info.alphaMode ? r.sideData.alpha ?? null : null, m = this.createInternalChunk(r.data, c, u, r.type, l); e.source._codec === "vp9" && this.fixVP9ColorSpace(s, m), s.chunkQueue.push(m), await this.interleaveChunks() } finally { a() } } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getAudioTrackData(e, r, i), o = r.data; if (s.info.requiresAdtsStripping) { let l = Ue(ye.tempFromBytes(o)); if (!l) throw new Error("Expected ADTS frame, didn't get one."); let m = l.crcCheck === null ? rr : Ke; o = o.subarray(m) } let c = r.type === "key"; this.validateTimestamp(s.track, r.timestamp, c); let u = this.createInternalChunk(o, r.timestamp, r.duration, r.type); s.chunkQueue.push(u), await this.interleaveChunks() } finally { a() } } async addSubtitleCue(e, r, i) {
let a = await this.mutex.acquire(); try {
let s = this.getSubtitleTrackData(e, i); this.validateTimestamp(s.track, r.timestamp, !0); let o = r.text, c = Math.round(r.timestamp * 1e3); en.lastIndex = 0, o = o.replace(en, d => { let h = to(d.slice(1, -1)) - c; return `<${ro(h)}>` }); let u = $.encode(o), l = `${r.settings ?? ""}
${r.identifier ?? ""}
${r.notes ?? ""}`, m = this.createInternalChunk(u, r.timestamp, r.duration, "key", l.trim() ? $.encode(l) : null); s.chunkQueue.push(m), await this.interleaveChunks()
} finally { a() }
} async interleaveChunks(e = !1) { if (!(!e && !this.allTracksAreKnown())) { e: for (; ;) { let r = null, i = 1 / 0; for (let s of this.trackDatas) { if (!e && s.chunkQueue.length === 0 && !s.closed) break e; s.chunkQueue.length > 0 && s.chunkQueue[0].timestamp < i && (r = s, i = s.chunkQueue[0].timestamp) } if (!r) break; let a = r.chunkQueue.shift(); this.writeBlock(r, a) } e || await this.writer.flush() } } fixVP9ColorSpace(e, r) { if (r.type !== "key" || !e.info.decoderConfig.colorSpace || !e.info.decoderConfig.colorSpace.matrix) return; let i = new H(r.data); i.skipBits(2); let a = i.readBits(1), o = (i.readBits(1) << 1) + a; if (o === 3 && i.skipBits(1), i.readBits(1) || i.readBits(1) !== 0 || (i.skipBits(2), i.readBits(24) !== 4817730)) return; o >= 2 && i.skipBits(1); let m = { rgb: 7, bt709: 2, bt470bg: 1, smpte170m: 3 }[e.info.decoderConfig.colorSpace.matrix]; wu(r.data, i.pos, i.pos + 3, m) } createInternalChunk(e, r, i, a, s = null) { return { data: e, type: a, timestamp: r, duration: i, additions: s } } writeBlock(e, r) { this.segment || this.createSegment(); let i = Math.round(1e3 * r.timestamp), a = this.trackDatas.every(m => { if (e === m) return r.type === "key"; let d = m.chunkQueue[0]; return d ? d.type === "key" : m.closed }), s = !1; if (!this.currentCluster) s = !0; else { p(this.currentClusterStartMsTimestamp !== null), p(this.currentClusterMaxMsTimestamp !== null); let m = i - this.currentClusterStartMsTimestamp; s = a && i > this.currentClusterMaxMsTimestamp && m >= 1e3 * (this.format._options.minimumClusterDuration ?? 1) || m > yp } s && this.createNewCluster(i); let o = i - this.currentClusterStartMsTimestamp; if (o < bp) return; let c = new Uint8Array(4), u = new DataView(c.buffer); u.setUint8(0, 128 | e.track.id), u.setInt16(1, o, !1); let l = Math.round(1e3 * r.duration); if (r.additions) { let m = { id: 160, data: [{ id: 161, data: [c, r.data] }, r.type === "delta" ? { id: 251, data: new Sn(e.lastWrittenMsTimestamp - i) } : null, r.additions ? { id: 30113, data: [{ id: 166, data: [{ id: 238, data: 1 }, { id: 165, data: r.additions }] }] } : null, l > 0 ? { id: 155, data: l } : null] }; this.ebmlWriter.writeEBML(m) } else { u.setUint8(3, +(r.type === "key") << 7); let m = { id: 163, data: [c, r.data] }; this.ebmlWriter.writeEBML(m) } this.startTimestamp = Math.min(this.startTimestamp, i), this.endTimestamp = Math.max(this.endTimestamp, i + l), e.lastWrittenMsTimestamp = i, this.trackDatasInCurrentCluster.has(e) || this.trackDatasInCurrentCluster.set(e, { firstMsTimestamp: i }), this.currentClusterMaxMsTimestamp = Math.max(this.currentClusterMaxMsTimestamp, i) } createNewCluster(e) { this.currentCluster && this.finalizeCurrentCluster(), this.format._options.onCluster && this.writer.startTrackingWrites(), this.currentCluster = { id: 524531317, size: this.format._options.appendOnly ? -1 : $d, data: [{ id: 231, data: e }] }, this.ebmlWriter.writeEBML(this.currentCluster), this.currentClusterStartMsTimestamp = e, this.currentClusterMaxMsTimestamp = e, this.trackDatasInCurrentCluster.clear() } finalizeCurrentCluster() { if (p(this.currentCluster), !this.format._options.appendOnly) { let a = this.writer.getPos() - this.ebmlWriter.dataOffsets.get(this.currentCluster), s = this.writer.getPos(); this.writer.seek(this.ebmlWriter.offsets.get(this.currentCluster) + 4), this.ebmlWriter.writeVarInt(a, $d), this.writer.seek(s) } if (this.format._options.onCluster) { p(this.currentClusterStartMsTimestamp !== null); let { data: a, start: s } = this.writer.stopTrackingWrites(); this.format._options.onCluster(a, s, this.currentClusterStartMsTimestamp / 1e3) } let e = this.ebmlWriter.offsets.get(this.currentCluster) - this.segmentDataOffset, r = new Map; for (let [a, { firstMsTimestamp: s }] of this.trackDatasInCurrentCluster) r.has(s) || r.set(s, []), r.get(s).push(a); let i = [...r.entries()].sort((a, s) => a[0] - s[0]); for (let [a, s] of i) p(this.cues), this.cues.data.push({ id: 187, data: [{ id: 179, data: a }, ...s.map(o => ({ id: 183, data: [{ id: 247, data: o.track.id }, { id: 241, data: e }] }))] }) } async onTrackClose(e) { let r = await this.mutex.acquire(), i = this.trackDatas.find(a => a.track === e); i && (i.closed = !0), this.allTracksAreKnown() && this.allTracksKnown.resolve(), await this.interleaveChunks(), r() } async finalize() { let e = await this.mutex.acquire(); this.allTracksKnown.resolve(); for (let r of this.trackDatas) r.closed = !0; if (this.segment || this.createSegment(), await this.interleaveChunks(!0), this.currentCluster && this.finalizeCurrentCluster(), p(this.cues), this.ebmlWriter.writeEBML(this.cues), !this.format._options.appendOnly) { let r = this.writer.getPos() - this.segmentDataOffset; this.writer.seek(this.ebmlWriter.offsets.get(this.segment) + 4), this.ebmlWriter.writeVarInt(r, Xd); let i = this.startTimestamp === 1 / 0 ? 0 : this.endTimestamp - this.startTimestamp; this.segmentDuration.data = new Ri(i), this.writer.seek(this.ebmlWriter.offsets.get(this.segmentDuration)), this.ebmlWriter.writeEBML(this.segmentDuration), p(this.seekHead), this.writer.seek(this.ebmlWriter.offsets.get(this.seekHead)), this.maybeCreateSeekHead(!0), this.ebmlWriter.writeEBML(this.seekHead) } e() }
}; var co = class { constructor(t) { this.writer = t; this.helper = new Uint8Array(8); this.helperView = new DataView(this.helper.buffer) } writeU32(t) { this.helperView.setUint32(0, t, !1), this.writer.write(this.helper.subarray(0, 4)) } writeXingFrame(t) { let e = this.writer.getPos(), r = 255, i = 224 | t.mpegVersionId << 3 | t.layer << 1, a; t.mpegVersionId & 2 ? a = t.mpegVersionId & 1 ? 0 : 1 : a = 1; let s = 0, o = 155, c = -1, u = a * 16 * 4 + t.layer * 16; for (let g = 0; g < 16; g++) { let y = Pa[u + g]; if (Ca(a, t.layer, 1e3 * y, t.sampleRate, s) >= o) { c = g; break } } if (c === -1) throw new Error("No suitable bitrate found."); let l = c << 4 | t.frequencyIndex << 2 | s << 1, m = t.channel << 6 | t.modeExtension << 4 | t.copyright << 3 | t.original << 2 | t.emphasis; this.helper[0] = r, this.helper[1] = i, this.helper[2] = l, this.helper[3] = m, this.writer.write(this.helper.subarray(0, 4)); let d = gr(t.mpegVersionId, t.channel); this.writer.seek(e + d), this.writeU32(hr); let f = 0; t.frameCount !== null && (f |= 1), t.fileSize !== null && (f |= 2), t.toc !== null && (f |= 4), this.writeU32(f), this.writeU32(t.frameCount ?? 0), this.writeU32(t.fileSize ?? 0), this.writer.write(t.toc ?? new Uint8Array(100)); let h = Pa[u + c], b = Ca(a, t.layer, 1e3 * h, t.sampleRate, s); this.writer.seek(e + b) } }; var uo = class extends we { constructor(e, r) { super(e); this.xingFrameData = null; this.frameCount = 0; this.framePositions = []; this.xingFramePos = null; this.format = r } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(this.format._options.xingHeader === !1), this.mp3Writer = new co(this.writer), Gt(this.output._metadataTags) || new Fr(this.writer).writeId3V2Tag(this.output._metadataTags), e() } async getMimeType() { return "audio/mpeg" } async addEncodedVideoPacket() { throw new Error("MP3 does not support video.") } async addEncodedAudioPacket(e, r) { let i = await this.mutex.acquire(); try { let a = this.format._options.xingHeader !== !1; if (!this.xingFrameData && a) { let s = U(r.data); if (s.byteLength < 4) throw new Error("Invalid MP3 header in sample."); let o = s.getUint32(0, !1), c = Gr(o, null).header; if (!c) throw new Error("Invalid MP3 header in sample."); let u = gr(c.mpegVersionId, c.channel); if (s.byteLength >= u + 4) { let l = s.getUint32(u, !1); if (l === hr || l === Si) return } this.xingFrameData = { mpegVersionId: c.mpegVersionId, layer: c.layer, frequencyIndex: c.frequencyIndex, sampleRate: c.sampleRate, channel: c.channel, modeExtension: c.modeExtension, copyright: c.copyright, original: c.original, emphasis: c.emphasis, frameCount: null, fileSize: null, toc: null }, this.xingFramePos = this.writer.getPos(), this.mp3Writer.writeXingFrame(this.xingFrameData), this.frameCount++ } this.validateTimestamp(e, r.timestamp, r.type === "key"), a && this.framePositions.push(this.writer.getPos()), this.writer.write(r.data), this.frameCount++, await this.writer.flush() } finally { i() } } async addSubtitleCue() { throw new Error("MP3 does not support subtitles.") } async finalize() { if (!this.xingFrameData || this.xingFramePos === null) return; let e = await this.mutex.acquire(), i = this.writer.getPos() - this.xingFramePos; this.writer.seek(this.xingFramePos); let a = new Uint8Array(100); for (let s = 0; s < 100; s++) { let o = Math.floor(this.framePositions.length * (s / 100)), c = this.framePositions[o] - this.xingFramePos; a[s] = 256 * (c / i) } if (this.xingFrameData.frameCount = this.frameCount, this.xingFrameData.fileSize = i, this.xingFrameData.toc = a, this.format._options.onXingFrame && this.writer.startTrackingWrites(), this.mp3Writer.writeXingFrame(this.xingFrameData), this.format._options.onXingFrame) { let { data: s, start: o } = this.writer.stopTrackingWrites(); this.format._options.onXingFrame(s, o) } e() } }; var Tp = 8192, lo = class extends we { constructor(e, r) { super(e); this.trackDatas = []; this.bosPagesWritten = !1; this.allTracksKnown = J(); this.pageBytes = new Uint8Array(ss); this.pageView = new DataView(this.pageBytes.buffer); this.format = r } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(!0), e() } async getMimeType() { return await this.allTracksKnown.promise, as({ codecStrings: this.trackDatas.map(e => e.codecInfo.codec) }) } addEncodedVideoPacket() { throw new Error("Video tracks are not supported.") } getTrackData(e, r) { let i = this.trackDatas.find(o => o.track === e); if (i) return i; let a; do a = Math.floor(2 ** 32 * Math.random()); while (this.trackDatas.some(o => o.serialNumber === a)); p(e.source._codec === "vorbis" || e.source._codec === "opus"), _e(r), p(r), p(r.decoderConfig); let s = { track: e, serialNumber: a, internalSampleRate: e.source._codec === "opus" ? ot : r.decoderConfig.sampleRate, codecInfo: { codec: e.source._codec, vorbisInfo: null, opusInfo: null }, vorbisLastBlocksize: null, packetQueue: [], currentTimestampInSamples: 0, pagesWritten: 0, currentGranulePosition: 0, currentLacingValues: [], currentPageData: [], currentPageSize: 27, currentPageStartsWithFreshPacket: !0, currentPageStartTimestampInSamples: 0, closed: !1 }; return this.queueHeaderPackets(s, r), this.trackDatas.push(s), this.allTracksAreKnown() && this.allTracksKnown.resolve(), s } queueHeaderPackets(e, r) { if (p(r.decoderConfig), e.track.source._codec === "vorbis") { p(r.decoderConfig.description); let i = j(r.decoderConfig.description); if (i[0] !== 2) throw new TypeError("First byte of Vorbis decoder description must be 2."); let a = 1, s = () => { let g = 0; for (; ;) { let y = i[a++]; if (y === void 0) throw new TypeError("Vorbis decoder description is too short."); if (g += y, y < 255) return g } }, o = s(), c = s(); if (i.length - a <= 0) throw new TypeError("Vorbis decoder description is too short."); let l = i.subarray(a, a += o); a += c; let m = i.subarray(a), d = new Uint8Array(7); d[0] = 3, d[1] = 118, d[2] = 111, d[3] = 114, d[4] = 98, d[5] = 105, d[6] = 115; let f = gn(d, this.output._metadataTags, !0); e.packetQueue.push({ data: l, timestampInSamples: 0, durationInSamples: 0, forcePageFlush: !0 }, { data: f, timestampInSamples: 0, durationInSamples: 0, forcePageFlush: !1 }, { data: m, timestampInSamples: 0, durationInSamples: 0, forcePageFlush: !0 }); let b = U(l).getUint8(28); e.codecInfo.vorbisInfo = { blocksizes: [1 << (b & 15), 1 << (b >> 4)], modeBlockflags: Ba(m).modeBlockflags } } else if (e.track.source._codec === "opus") { if (!r.decoderConfig.description) throw new TypeError("For Ogg, Opus decoder description is required."); let i = j(r.decoderConfig.description), a = new Uint8Array(8), s = U(a); s.setUint32(0, 1332770163, !1), s.setUint32(4, 1415669619, !1); let o = gn(a, this.output._metadataTags, !0); e.packetQueue.push({ data: i, timestampInSamples: 0, durationInSamples: 0, forcePageFlush: !0 }, { data: o, timestampInSamples: 0, durationInSamples: 0, forcePageFlush: !0 }), e.codecInfo.opusInfo = { preSkip: yr(i).preSkip } } } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getTrackData(e, i); this.validateTimestamp(s.track, r.timestamp, r.type === "key"); let o = s.currentTimestampInSamples, { durationInSamples: c, vorbisBlockSize: u } = ns(r.data, s.codecInfo, s.vorbisLastBlocksize); s.currentTimestampInSamples += c, s.vorbisLastBlocksize = u, s.packetQueue.push({ data: r.data, timestampInSamples: o, durationInSamples: c, forcePageFlush: !1 }), await this.interleavePages() } finally { a() } } addSubtitleCue() { throw new Error("Subtitle tracks are not supported.") } allTracksAreKnown() { for (let e of this.output._tracks) if (!e.source._closed && !this.trackDatas.some(r => r.track === e)) return !1; return !0 } async interleavePages(e = !1) { if (!this.bosPagesWritten) { if (!this.allTracksAreKnown() && !e) return; for (let r of this.trackDatas) for (; r.packetQueue.length > 0;) { let i = r.packetQueue.shift(); if (this.writePacket(r, i, !1), i.forcePageFlush) break } this.bosPagesWritten = !0 } e: for (; ;) { let r = null, i = 1 / 0; for (let o of this.trackDatas) { if (!e && o.packetQueue.length <= 1 && !o.closed) break e; o.packetQueue.length > 0 && o.packetQueue[0].timestampInSamples < i && (r = o, i = o.packetQueue[0].timestampInSamples) } if (!r) break; let a = r.packetQueue.shift(), s = r.packetQueue.length === 0; this.writePacket(r, a, s) } e || await this.writer.flush() } writePacket(e, r, i) { let a = r.timestampInSamples + r.durationInSamples; if (this.format._options.maximumPageDuration !== void 0) { let l = this.format._options.maximumPageDuration * e.internalSampleRate; e.currentLacingValues.length > 0 && a - e.currentPageStartTimestampInSamples > l && this.writePage(e, !1) } let s = r.data.length, o = 0, c = 0; for (; ;) { e.currentLacingValues.length === 0 && o > 0 && (e.currentPageStartsWithFreshPacket = !1); let l = Math.min(255, s); e.currentLacingValues.push(l), e.currentPageSize++, c += l; let m = s < 255; if (e.currentLacingValues.length === 255) { let d = r.data.subarray(o, c); if (o = c, e.currentPageData.push(d), e.currentPageSize += d.length, this.writePage(e, i && m), m) return } if (m) break; s -= 255 } let u = r.data.subarray(o); e.currentPageData.push(u), e.currentPageSize += u.length, e.currentGranulePosition = a, (e.currentPageSize >= Tp || r.forcePageFlush) && this.writePage(e, i) } writePage(e, r) { this.pageView.setUint32(0, Cn, !0), this.pageView.setUint8(4, 0); let i = 0; e.currentPageStartsWithFreshPacket || (i |= 1), e.pagesWritten === 0 && (i |= 2), r && (i |= 4), this.pageView.setUint8(5, i); let a = e.currentLacingValues.every(u => u === 255) ? -1 : e.currentGranulePosition; Eu(this.pageView, 6, a, !0), this.pageView.setUint32(14, e.serialNumber, !0), this.pageView.setUint32(18, e.pagesWritten, !0), this.pageView.setUint32(22, 0, !0), this.pageView.setUint8(26, e.currentLacingValues.length), this.pageBytes.set(e.currentLacingValues, 27); let s = 27 + e.currentLacingValues.length; for (let u of e.currentPageData) this.pageBytes.set(u, s), s += u.length; let o = this.pageBytes.subarray(0, s), c = is(o); if (this.pageView.setUint32(22, c, !0), e.pagesWritten++, e.currentLacingValues.length = 0, e.currentPageData.length = 0, e.currentPageSize = 27, e.currentPageStartsWithFreshPacket = !0, e.currentPageStartTimestampInSamples = e.currentGranulePosition, this.format._options.onPage && this.writer.startTrackingWrites(), this.writer.write(o), this.format._options.onPage) { let { data: u, start: l } = this.writer.stopTrackingWrites(); this.format._options.onPage(u, l, e.track.source) } } async onTrackClose(e) { let r = await this.mutex.acquire(), i = this.trackDatas.find(a => a.track === e); i && (i.closed = !0), this.allTracksAreKnown() && this.allTracksKnown.resolve(), await this.interleavePages(), r() } async finalize() { let e = await this.mutex.acquire(); this.allTracksKnown.resolve(); for (let r of this.trackDatas) r.closed = !0; await this.interleavePages(!0); for (let r of this.trackDatas) r.currentLacingValues.length > 0 && this.writePage(r, !0); e() } }; var wp = 0, tm = 4096, Yd = 256, Sp = 224, Zd = 192, Jd = new Uint8Array([9, 240]), em = new Uint8Array([70, 1]), mo = class extends we { constructor(e, r) { super(e); this.trackDatas = []; this.tablesWritten = !1; this.continuityCounters = new Map; this.packetBuffer = new Uint8Array(188); this.packetView = U(this.packetBuffer); this.allTracksKnown = J(); this.videoTrackIndex = 0; this.audioTrackIndex = 0; this.adaptationFieldBuffer = new Uint8Array(184); this.payloadBuffer = new Uint8Array(184); this.format = r } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(!0), e() } async getMimeType() { return await this.allTracksKnown.promise, ps(this.trackDatas.map(e => e.codecString)) } getVideoTrackData(e, r) { let i = this.trackDatas.find(l => l.track === e); if (i) return i; pr(r), p(r?.decoderConfig); let a = e.source._codec; p(a === "avc" || a === "hevc"); let s = a === "avc" ? 27 : 36, o = Yd + this.trackDatas.length, c = Sp + this.videoTrackIndex++, u = { track: e, pid: o, streamType: s, streamId: c, codecString: r.decoderConfig.codec, timestampProcessingQueue: [], packetQueue: [], inputIsAnnexB: null, inputIsAdts: null, avcDecoderConfig: null, hevcDecoderConfig: null, adtsHeader: null, adtsHeaderBitstream: null, firstPacketWritten: !1, closed: !1 }; return this.trackDatas.push(u), this.allTracksAreKnown() && this.allTracksKnown.resolve(), u } getAudioTrackData(e, r) { let i = this.trackDatas.find(l => l.track === e); if (i) return i; _e(r), p(r?.decoderConfig); let a = e.source._codec; p(a === "aac" || a === "mp3" || a === "ac3" || a === "eac3"); let s, o; switch (a) { case "aac": s = 15, o = Zd + this.audioTrackIndex++; break; case "mp3": s = 3, o = Zd + this.audioTrackIndex++; break; case "ac3": s = 129, o = 189; break; case "eac3": s = 135, o = 189; break }let c = Yd + this.trackDatas.length, u = { track: e, pid: c, streamType: s, streamId: o, codecString: r.decoderConfig.codec, timestampProcessingQueue: [], packetQueue: [], inputIsAnnexB: null, inputIsAdts: null, avcDecoderConfig: null, hevcDecoderConfig: null, adtsHeader: null, adtsHeaderBitstream: null, firstPacketWritten: !1, closed: !1 }; return this.trackDatas.push(u), this.allTracksAreKnown() && this.allTracksKnown.resolve(), u } async addEncodedVideoPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getVideoTrackData(e, i); this.validateTimestamp(s.track, r.timestamp, r.type === "key"); let o = this.prepareVideoPacket(s, r, i); r.type === "key" && await this.flushTimestampQueue(s), s.timestampProcessingQueue.push({ data: o, presentationTimestamp: r.timestamp, decodeTimestamp: null, isKeyframe: r.type === "key" }) } finally { a() } } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { let s = this.getAudioTrackData(e, i); this.validateTimestamp(s.track, r.timestamp, r.type === "key"); let o = this.prepareAudioPacket(s, r, i); r.type === "key" && await this.flushTimestampQueue(s), s.timestampProcessingQueue.push({ data: o, presentationTimestamp: r.timestamp, decodeTimestamp: null, isKeyframe: r.type === "key" }) } finally { a() } } async addSubtitleCue() { throw new Error("MPEG-TS does not support subtitles.") } prepareVideoPacket(e, r, i) { let a = e.track.source._codec; if (e.inputIsAnnexB === null) { let s = i?.decoderConfig?.description; if (e.inputIsAnnexB = !s, !e.inputIsAnnexB) { let o = j(s); a === "avc" ? e.avcDecoderConfig = Ra(o) : e.hevcDecoderConfig = ol(o) } } return e.inputIsAnnexB ? this.prepareAnnexBVideoPacket(r.data, a) : this.prepareLengthPrefixedVideoPacket(e, r, a) } prepareAnnexBVideoPacket(e, r) { let i = []; for (let s of br(e)) { let o = e.subarray(s.offset, s.offset + s.length); (r === "avc" ? jt(o[0]) === 9 : ct(o[0]) === 35) || i.push(o) } let a = r === "avc" ? Jd : em; return i.unshift(a), fn(i) } prepareLengthPrefixedVideoPacket(e, r, i) { let a = r.data, s = i === "avc" ? e.avcDecoderConfig.lengthSizeMinusOne + 1 : e.hevcDecoderConfig.lengthSizeMinusOne + 1, o = []; for (let u of Ea(a, s)) { let l = a.subarray(u.offset, u.offset + u.length); (i === "avc" ? jt(l[0]) === 9 : ct(l[0]) === 35) || o.push(l) } if (r.type === "key") if (i === "avc") { let u = e.avcDecoderConfig; for (let l of u.pictureParameterSets) o.unshift(l); for (let l of u.sequenceParameterSets) o.unshift(l) } else { let u = e.hevcDecoderConfig; for (let l of u.arrays) if (l.nalUnitType === 34) for (let m of l.nalUnits) o.unshift(m); for (let l of u.arrays) if (l.nalUnitType === 33) for (let m of l.nalUnits) o.unshift(m); for (let l of u.arrays) if (l.nalUnitType === 32) for (let m of l.nalUnits) o.unshift(m) } let c = i === "avc" ? Jd : em; return o.unshift(c), fn(o) } prepareAudioPacket(e, r, i) { let a = e.track.source._codec; if (a === "mp3" || a === "ac3" || a === "eac3") return r.data; if (e.inputIsAdts === null) { let u = i?.decoderConfig?.description; if (e.inputIsAdts = !u, !e.inputIsAdts) { let l = It(j(u)), m = ka(l); e.adtsHeader = m.header, e.adtsHeaderBitstream = m.bitstream } } if (e.inputIsAdts) return r.data; p(e.adtsHeader), p(e.adtsHeaderBitstream); let s = e.adtsHeader, o = r.data.byteLength + s.byteLength; Ta(e.adtsHeaderBitstream, o); let c = new Uint8Array(o); return c.set(s, 0), c.set(r.data, s.byteLength), c } allTracksAreKnown() { for (let e of this.output._tracks) if (!e.source._closed && !this.trackDatas.some(r => r.track === e)) return !1; return !0 } async flushTimestampQueue(e, r = !0) { if (e.timestampProcessingQueue.length === 0) return; let i = e.timestampProcessingQueue.map(a => a.presentationTimestamp).sort((a, s) => a - s); for (let a = 0; a < e.timestampProcessingQueue.length; a++) { let s = e.timestampProcessingQueue[a]; s.decodeTimestamp = i[a], e.packetQueue.push(s) } e.timestampProcessingQueue.length = 0, r && await this.interleavePackets() } async interleavePackets(e = !1) { if (!this.tablesWritten) { if (!this.allTracksAreKnown() && !e) return; this.writeTables() } e: for (; ;) { let r = null, i = 1 / 0; for (let s of this.trackDatas) { if (!e && s.packetQueue.length === 0 && !s.closed) break e; s.packetQueue.length > 0 && s.packetQueue[0].presentationTimestamp < i && (r = s, i = s.packetQueue[0].presentationTimestamp) } if (!r) break; let a = r.packetQueue.shift(); this.writePesPacket(r, a) } e || await this.writer.flush() } writeTables() { p(!this.tablesWritten), this.writePsiSection(wp, ui), this.writePsiSection(tm, xp(this.trackDatas)), this.tablesWritten = !0 } writePsiSection(e, r) { let i = 0, a = !0; for (; i < r.length;) { let o = 184 - (a ? 1 : 0), c = r.length - i, u = Math.min(o, c), l; a ? (l = this.payloadBuffer.subarray(0, 1 + u), l[0] = 0, l.set(r.subarray(i, i + u), 1)) : l = r.subarray(i, i + u), this.writeTsPacket(e, a, null, l), i += u, a = !1 } } writePesPacket(e, r) { let i = e.track.type === "video", a = i ? 10 : 5, s = new Uint8Array(9 + a), o = U(s), c = new H(s.subarray(9)); Wr(o, 0, 1, !1), s[3] = e.streamId; let u = e.track.type === "video" ? 0 : Math.min(8 + r.data.length, 65535); o.setUint16(4, u, !1), o.setUint8(6, 132), o.setUint8(7, i ? 192 : 128), o.setUint8(8, a); let l = Math.round(r.presentationTimestamp * 9e4); if (c.pos = 0, c.writeBits(4, i ? 3 : 2), c.writeBits(3, l >>> 30 & 7), c.writeBits(1, 1), c.writeBits(15, l >>> 15 & 32767), c.writeBits(1, 1), c.writeBits(15, l & 32767), c.writeBits(1, 1), i) { p(r.decodeTimestamp !== null); let h = Math.round(r.decodeTimestamp * 9e4); c.writeBits(4, 1), c.writeBits(3, h >>> 30 & 7), c.writeBits(1, 1), c.writeBits(15, h >>> 15 & 32767), c.writeBits(1, 1), c.writeBits(15, h & 32767), c.writeBits(1, 1) } let m = s.length + r.data.length, d = 0, f = !0; for (; d < m;) { let h = f, b = m - d, g = f && r.isKeyframe, y = f && !e.firstPacketWritten, k = Math.max(0, 184 - b), T; g || y ? T = Math.max(2, k) : T = k; let w = null; if (T > 0) { let I = this.adaptationFieldBuffer; T === 1 ? I[0] = 0 : (I[0] = T - 1, I[1] = Number(y) << 7 | Number(g) << 6, I.fill(255, 2, T)), w = I.subarray(0, T) } let S = Math.min(184 - T, b), x = this.payloadBuffer.subarray(0, S), P = 0; if (d < s.length) { let I = Math.min(s.length - d, S); x.set(s.subarray(d, d + I), 0), P = I } let A = Math.max(0, d - s.length), C = A + (S - P); P < S && x.set(r.data.subarray(A, C), P), this.writeTsPacket(e.pid, h, w, x), d += S, f = !1 } e.firstPacketWritten = !0 } writeTsPacket(e, r, i, a) { let s = this.continuityCounters.get(e) ?? 0, o = a.length > 0, c = i ? o ? 3 : 2 : o ? 1 : 0; this.packetBuffer[0] = 71, this.packetView.setUint16(1, (r ? 16384 : 0) | e & 8191, !1), this.packetBuffer[3] = c << 4 | s & 15, o && this.continuityCounters.set(e, s + 1 & 15); let u = 4; i && (this.packetBuffer.set(i, u), u += i.length), this.packetBuffer.set(a, u), u += a.length, u < 188 && this.packetBuffer.fill(255, u); let l = this.writer.getPos(); this.writer.write(this.packetBuffer), this.format._options.onPacket && this.format._options.onPacket(this.packetBuffer.slice(), l) } async onTrackClose(e) { let r = await this.mutex.acquire(), i = this.trackDatas.find(a => a.track === e); i && (i.closed = !0, await this.flushTimestampQueue(i, !1)), this.allTracksAreKnown() && this.allTracksKnown.resolve(), await this.interleavePackets(), r() } async finalize() { let e = await this.mutex.acquire(); this.allTracksKnown.resolve(); for (let r of this.trackDatas) r.closed = !0, await this.flushTimestampQueue(r, !1); await this.interleavePackets(!0), e() } }, Ap = 79764919, rm = new Uint32Array(256); for (let n = 0; n < 256; n++) { let t = n << 24; for (let e = 0; e < 8; e++)t = t & 2147483648 ? t << 1 ^ Ap : t << 1; rm[n] = t >>> 0 & 4294967295 } var im = n => { let t = 4294967295; for (let e = 0; e < n.length; e++) { let r = n[e]; t = (t << 8 ^ rm[t >>> 24 ^ r]) >>> 0 } return t }, ui = new Uint8Array(16); { let n = U(ui); ui[0] = 0, n.setUint16(1, 45069, !1), n.setUint16(3, 1, !1), ui[5] = 193, ui[6] = 0, ui[7] = 0, n.setUint16(8, 1, !1), n.setUint16(10, 57344 | tm & 8191, !1), n.setUint32(12, im(ui.subarray(0, 12)), !1) } var xp = n => { let t = 0; for (let c of n) t += 5, c.streamType === 129 ? t += yn.length : c.streamType === 135 && (t += kn.length); let e = 9 + t + 4, r = new Uint8Array(3 + e - 4), i = U(r); r[0] = 2, i.setUint16(1, 45056 | e & 4095, !1), i.setUint16(3, 1, !1), r[5] = 193, r[6] = 0, r[7] = 0, i.setUint16(8, 65535, !1), i.setUint16(10, 61440, !1); let a = 12; for (let c of n) r[a++] = c.streamType, i.setUint16(a, 57344 | c.pid & 8191, !1), a += 2, c.streamType === 129 ? (i.setUint16(a, 61440 | yn.length, !1), a += 2, r.set(yn, a), a += yn.length) : c.streamType === 135 ? (i.setUint16(a, 61440 | kn.length, !1), a += 2, r.set(kn, a), a += kn.length) : (i.setUint16(a, 61440, !1), a += 2); let s = im(r), o = new Uint8Array(r.length + 4); return o.set(r, 0), U(o).setUint32(r.length, s, !1), o }; var fo = class { constructor(t) { this.writer = t; this.helper = new Uint8Array(8); this.helperView = new DataView(this.helper.buffer) } writeU16(t) { this.helperView.setUint16(0, t, !0), this.writer.write(this.helper.subarray(0, 2)) } writeU32(t) { this.helperView.setUint32(0, t, !0), this.writer.write(this.helper.subarray(0, 4)) } writeU64(t) { this.helperView.setUint32(0, t, !0), this.helperView.setUint32(4, Math.floor(t / 2 ** 32), !0), this.writer.write(this.helper) } writeAscii(t) { this.writer.write(new TextEncoder().encode(t)) } }; var po = class extends we { constructor(e, r) { super(e); this.headerWritten = !1; this.dataSize = 0; this.sampleRate = null; this.sampleCount = 0; this.riffSizePos = null; this.dataSizePos = null; this.ds64RiffSizePos = null; this.ds64DataSizePos = null; this.ds64SampleCountPos = null; this.format = r, this.isRf64 = !!r._options.large } async start() { let e = await this.mutex.acquire(); this.writer = await this.output._getRootWriter(!1), this.riffWriter = new fo(this.writer), e() } async getMimeType() { return "audio/wav" } async addEncodedVideoPacket() { throw new Error("WAVE does not support video.") } async addEncodedAudioPacket(e, r, i) { let a = await this.mutex.acquire(); try { if (this.headerWritten || (_e(i), p(i), p(i.decoderConfig), this.writeHeader(e, i.decoderConfig), this.sampleRate = i.decoderConfig.sampleRate, this.headerWritten = !0), this.validateTimestamp(e, r.timestamp, r.type === "key"), !this.isRf64 && this.writer.getPos() + r.data.byteLength >= 2 ** 32) throw new Error("Adding more audio data would exceed the maximum RIFF size of 4 GiB. To write larger files, use RF64 by setting `large: true` in the WavOutputFormatOptions."); this.writer.write(r.data), this.dataSize += r.data.byteLength, this.sampleCount += Math.round(r.duration * this.sampleRate), await this.writer.flush() } finally { a() } } async addSubtitleCue() { throw new Error("WAVE does not support subtitles.") } writeHeader(e, r) { this.format._options.onHeader && this.writer.startTrackingWrites(); let i, a = e.source._codec, s = Ae(a); s.dataType === "ulaw" ? i = 7 : s.dataType === "alaw" ? i = 6 : s.dataType === "float" ? i = 3 : i = 1; let o = r.numberOfChannels, c = r.sampleRate, u = s.sampleSize * o; if (this.riffWriter.writeAscii(this.isRf64 ? "RF64" : "RIFF"), this.isRf64 ? this.riffWriter.writeU32(4294967295) : (this.riffSizePos = this.writer.getPos(), this.riffWriter.writeU32(0)), this.riffWriter.writeAscii("WAVE"), this.isRf64 && (this.riffWriter.writeAscii("ds64"), this.riffWriter.writeU32(28), this.ds64RiffSizePos = this.writer.getPos(), this.riffWriter.writeU64(0), this.ds64DataSizePos = this.writer.getPos(), this.riffWriter.writeU64(0), this.ds64SampleCountPos = this.writer.getPos(), this.riffWriter.writeU64(0), this.riffWriter.writeU32(0)), this.riffWriter.writeAscii("fmt "), this.riffWriter.writeU32(16), this.riffWriter.writeU16(i), this.riffWriter.writeU16(o), this.riffWriter.writeU32(c), this.riffWriter.writeU32(c * u), this.riffWriter.writeU16(u), this.riffWriter.writeU16(8 * s.sampleSize), !Gt(this.output._metadataTags)) { let l = this.format._options.metadataFormat ?? "info"; l === "info" ? this.writeInfoChunk(this.output._metadataTags) : l === "id3" ? this.writeId3Chunk(this.output._metadataTags) : ae(l) } if (this.riffWriter.writeAscii("data"), this.isRf64 ? this.riffWriter.writeU32(4294967295) : (this.dataSizePos = this.writer.getPos(), this.riffWriter.writeU32(0)), this.format._options.onHeader) { let { data: l, start: m } = this.writer.stopTrackingWrites(); this.format._options.onHeader(l, m) } } writeInfoChunk(e) { let r = this.writer.getPos(); this.riffWriter.writeAscii("LIST"), this.riffWriter.writeU32(0), this.riffWriter.writeAscii("INFO"); let i = new Set, a = (c, u) => { if (!tt(u)) { console.warn(`Didn't write tag '${c}' because '${u}' is not ISO 8859-1-compatible.`); return } let l = u.length + 1, m = new Uint8Array(l); for (let d = 0; d < u.length; d++)m[d] = u.charCodeAt(d); this.riffWriter.writeAscii(c), this.riffWriter.writeU32(l), this.writer.write(m), l & 1 && this.writer.write(new Uint8Array(1)), i.add(c) }; for (let { key: c, value: u } of at(e)) switch (c) { case "title": a("INAM", u), i.add("INAM"); break; case "artist": a("IART", u), i.add("IART"); break; case "album": a("IPRD", u), i.add("IPRD"); break; case "trackNumber": { let l = e.tracksTotal !== void 0 ? `${u}/${e.tracksTotal}` : u.toString(); a("ITRK", l), i.add("ITRK") } break; case "genre": a("IGNR", u), i.add("IGNR"); break; case "date": a("ICRD", u.toISOString().slice(0, 10)), i.add("ICRD"); break; case "comment": a("ICMT", u), i.add("ICMT"); break; case "albumArtist": case "discNumber": case "tracksTotal": case "discsTotal": case "description": case "lyrics": case "images": break; case "raw": break; default: ae(c) }if (e.raw) for (let c in e.raw) { let u = e.raw[c]; u == null || c.length !== 4 || i.has(c) || typeof u == "string" && a(c, u) } let s = this.writer.getPos(), o = s - r - 8; this.writer.seek(r + 4), this.riffWriter.writeU32(o), this.writer.seek(s), o & 1 && this.writer.write(new Uint8Array(1)) } writeId3Chunk(e) { let r = this.writer.getPos(); this.riffWriter.writeAscii("ID3 "), this.riffWriter.writeU32(0); let a = new Fr(this.writer).writeId3V2Tag(e), s = this.writer.getPos(); this.writer.seek(r + 4), this.riffWriter.writeU32(a), this.writer.seek(s), a & 1 && this.writer.write(new Uint8Array(1)) } async finalize() { let e = await this.mutex.acquire(), r = this.writer.getPos(); this.isRf64 ? (p(this.ds64RiffSizePos !== null), this.writer.seek(this.ds64RiffSizePos), this.riffWriter.writeU64(r - 8), p(this.ds64DataSizePos !== null), this.writer.seek(this.ds64DataSizePos), this.riffWriter.writeU64(this.dataSize), p(this.ds64SampleCountPos !== null), this.writer.seek(this.ds64SampleCountPos), this.riffWriter.writeU64(this.sampleCount)) : (p(this.riffSizePos !== null), this.writer.seek(this.riffSizePos), this.riffWriter.writeU32(r - 8), p(this.dataSizePos !== null), this.writer.seek(this.dataSizePos), this.riffWriter.writeU32(this.dataSize)), e() } }; var nn = class { constructor(t) { this.sourceSampleRate = null; this.sourceNumberOfChannels = null; this.maxWrittenFrame = null; this.targetSampleRate = t.targetSampleRate, this.targetNumberOfChannels = t.targetNumberOfChannels, this.endTime = t.endTime, this.onSample = t.onSample, this.bufferSizeInFrames = Math.floor(this.targetSampleRate * 5), this.bufferSizeInSamples = this.bufferSizeInFrames * this.targetNumberOfChannels, this.outputBuffer = new Float32Array(this.bufferSizeInSamples), this.bufferStartFrame = Math.floor(t.startTime * this.targetSampleRate), this.timestampOffset = t.startTime - this.bufferStartFrame / this.targetSampleRate } doChannelMixerSetup() { p(this.sourceNumberOfChannels !== null); let t = this.sourceNumberOfChannels, e = this.targetNumberOfChannels; t === 1 && e === 2 ? this.channelMixer = (r, i) => r[i * t] : t === 1 && e === 4 ? this.channelMixer = (r, i, a) => r[i * t] * +(a < 2) : t === 1 && e === 6 ? this.channelMixer = (r, i, a) => r[i * t] * +(a === 2) : t === 2 && e === 1 ? this.channelMixer = (r, i) => { let a = i * t; return .5 * (r[a] + r[a + 1]) } : t === 2 && e === 4 ? this.channelMixer = (r, i, a) => r[i * t + a] * +(a < 2) : t === 2 && e === 6 ? this.channelMixer = (r, i, a) => r[i * t + a] * +(a < 2) : t === 4 && e === 1 ? this.channelMixer = (r, i) => { let a = i * t; return .25 * (r[a] + r[a + 1] + r[a + 2] + r[a + 3]) } : t === 4 && e === 2 ? this.channelMixer = (r, i, a) => { let s = i * t; return .5 * (r[s + a] + r[s + a + 2]) } : t === 4 && e === 6 ? this.channelMixer = (r, i, a) => { let s = i * t; return a < 2 ? r[s + a] : a === 2 || a === 3 ? 0 : r[s + a - 2] } : t === 6 && e === 1 ? this.channelMixer = (r, i) => { let a = i * t; return Math.SQRT1_2 * (r[a] + r[a + 1]) + r[a + 2] + .5 * (r[a + 4] + r[a + 5]) } : t === 6 && e === 2 ? this.channelMixer = (r, i, a) => { let s = i * t; return r[s + a] + Math.SQRT1_2 * (r[s + 2] + r[s + a + 4]) } : t === 6 && e === 4 ? this.channelMixer = (r, i, a) => { let s = i * t; return a < 2 ? r[s + a] + Math.SQRT1_2 * r[s + 2] : r[s + a + 2] } : this.channelMixer = (r, i, a) => a < t ? r[i * t + a] : 0 } ensureTempBufferSize(t) { let e = this.tempSourceBuffer.length; for (; e < t;)e *= 2; if (e !== this.tempSourceBuffer.length) { let r = new Float32Array(e); r.set(this.tempSourceBuffer), this.tempSourceBuffer = r } } async add(t) { this.sourceSampleRate === null && (this.sourceSampleRate = t.sampleRate, this.sourceNumberOfChannels = t.numberOfChannels, this.tempSourceBuffer = new Float32Array(this.sourceSampleRate * this.sourceNumberOfChannels), this.doChannelMixerSetup()); let e = t.numberOfFrames * t.numberOfChannels; this.ensureTempBufferSize(e); let r = t.allocationSize({ planeIndex: 0, format: "f32" }), i = new Float32Array(this.tempSourceBuffer.buffer, 0, r / 4); t.copyTo(i, { planeIndex: 0, format: "f32" }); let a = t.timestamp, s = Math.min(t.timestamp + t.duration, this.endTime), o = Math.floor(a * this.targetSampleRate), c = Math.ceil(s * this.targetSampleRate); for (let u = o; u < c; u++) { if (u < this.bufferStartFrame) continue; for (; u >= this.bufferStartFrame + this.bufferSizeInFrames;)await this.finalizeCurrentBuffer(), this.bufferStartFrame += this.bufferSizeInFrames; let l = u - this.bufferStartFrame; p(l < this.bufferSizeInFrames); let f = (u / this.targetSampleRate - a) * this.sourceSampleRate, h = Math.floor(f), b = Math.ceil(f), g = f - h; for (let y = 0; y < this.targetNumberOfChannels; y++) { let k = 0, T = 0; h >= 0 && h < t.numberOfFrames && (k = this.channelMixer(i, h, y)), b >= 0 && b < t.numberOfFrames && (T = this.channelMixer(i, b, y)); let w = k + g * (T - k), S = l * this.targetNumberOfChannels + y; this.outputBuffer[S] += w } this.maxWrittenFrame === null ? this.maxWrittenFrame = l : this.maxWrittenFrame = Math.max(this.maxWrittenFrame, l) } } async finalizeCurrentBuffer() { if (this.maxWrittenFrame === null) return; let t = (this.maxWrittenFrame + 1) * this.targetNumberOfChannels, e = new Float32Array(t); e.set(this.outputBuffer.subarray(0, t)); let r = this.bufferStartFrame / this.targetSampleRate, i = new Te({ format: "f32", sampleRate: this.targetSampleRate, numberOfChannels: this.targetNumberOfChannels, timestamp: r + this.timestampOffset, data: e }); await this.onSample(i), this.outputBuffer.fill(0), this.maxWrittenFrame = null } finalize() { return this.finalizeCurrentBuffer() } }; var li = class { constructor() { this._connectedTrack = null; this._closingPromise = null; this._closed = !1 } _ensureValidAdd() { if (!this._connectedTrack) throw new Error("Source is not connected to an output track."); if (this._connectedTrack.output.state === "canceled") throw new Error("Output has been canceled."); if (this._connectedTrack.output.state === "finalizing" || this._connectedTrack.output.state === "finalized") throw new Error("Output has been finalized."); if (this._connectedTrack.output.state === "pending") throw new Error("Output has not started."); if (this._closed) throw new Error("Source is closed.") } async _start() { } async _flushAndClose(t) { } close() { if (this._closingPromise) return; let t = this._connectedTrack; if (!t) throw new Error("Cannot call close without connecting the source to an output track."); if (t.output.state === "pending") throw new Error("Cannot call close before output has been started."); this._closingPromise = (async () => { await this._flushAndClose(!1), this._closed = !0, !(t.output.state === "finalizing" || t.output.state === "finalized") && t.output._muxer.onTrackClose(t) })() } async _flushOrWaitForOngoingClose(t) { return this._closingPromise ??= (async () => { await this._flushAndClose(t), this._closed = !0 })() } }, Ot = class extends li { constructor(e) { super(); this._connectedTrack = null; if (!re.includes(e)) throw new TypeError(`Invalid video codec '${e}'. Must be one of: ${re.join(", ")}.`); this._codec = e } }, ou = (n, t) => { if (n.metadata.hasOnlyKeyPackets && t.type !== "key") throw new Error("Cannot add non-key packets to a hasOnlyKeyPackets video track.") }, Dr = class extends Ot { constructor(t) { super(t) } add(t, e) { if (!(t instanceof Q)) throw new TypeError("packet must be an EncodedPacket."); if (t.isMetadataOnly) throw new TypeError("Metadata-only packets cannot be added."); if (e !== void 0 && (!e || typeof e != "object")) throw new TypeError("meta, when provided, must be an object."); return this._ensureValidAdd(), ou(this._connectedTrack, t), this._connectedTrack.output._muxer.addEncodedVideoPacket(this._connectedTrack, t, e) } }, na = class { constructor(t, e) { this.source = t; this.encodingConfig = e; this.ensureEncoderPromise = null; this.encoderInitialized = !1; this.encoder = null; this.muxer = null; this.lastMultipleOfKeyFrameInterval = -1; this.resizeCanvas = null; this.codedWidth = null; this.codedHeight = null; this.outputWidth = null; this.outputHeight = null; this.frameRateLastSample = null; this.frameRateLastTimestamp = null; this.frameRateLastEndTimestamp = null; this.preciseTimings = []; this.customEncoder = null; this.customEncoderCallSerializer = new cr; this.customEncoderQueueSize = 0; this.alphaEncoder = null; this.splitter = null; this.splitterCreationFailed = !1; this.alphaFrameQueue = []; this.error = null; this.lastMuxerPromise = Promise.resolve(); let r = e.sizeChangeBehavior ?? "deny"; if (["fill", "contain", "cover"].includes(r) && e.transform?.fit !== void 0) throw new TypeError(`Cannot set 'fit' when 'sizeChangeBehavior' is '${r}'. The size change behavior determines the fit in this case.`) } async add(t, e, r) { let i = t; try { this.checkForEncoderError(), this.source._ensureValidAdd(); let a = this.encodingConfig, s = a.sizeChangeBehavior ?? "deny", o = !1; if (this.codedWidth !== null && this.codedHeight !== null) { if ((t.codedWidth !== this.codedWidth || t.codedHeight !== this.codedHeight) && (o = !0, s === "deny")) throw new Error(`Video sample size must remain constant. Expected ${this.codedWidth}x${this.codedHeight}, got ${t.codedWidth}x${t.codedHeight}. To allow the sample size to change over time, set \`sizeChangeBehavior\` to a value other than 'deny' in the encoding options.`) } else this.codedWidth = t.codedWidth, this.codedHeight = t.codedHeight; if (a.transform?.width !== void 0 || a.transform?.height !== void 0 || a.transform?.rotate !== void 0 || a.transform?.crop !== void 0 || a.transform?.force === !0 || o && s !== "passThrough") { let m = Tt(t.rotation + (a.transform?.rotate ?? 0)), [d, f] = m % 180 === 0 ? [t.codedWidth, t.codedHeight] : [t.codedHeight, t.codedWidth], h = a.transform?.crop; h && (h = ri(h, d, f)); let b = h ? h.width : d, g = h ? h.height : f, y = b / g, k, T, w = a.transform?.fit ?? "fill"; o && s !== "passThrough" ? (p(this.outputWidth), p(this.outputHeight), p(s !== "deny"), k = this.outputWidth, T = this.outputHeight, w = s) : a.transform?.width !== void 0 && a.transform?.height === void 0 ? (k = a.transform.width, T = Pt(Math.round(k / y))) : a.transform?.width === void 0 && a.transform?.height !== void 0 ? (T = a.transform.height, k = Pt(Math.round(T * y))) : a.transform?.width !== void 0 && a.transform?.height !== void 0 ? (k = a.transform?.width, T = a.transform?.height) : (k = b, T = g), (this.outputWidth === null || this.outputHeight === null) && (this.outputWidth = k, this.outputHeight = T); let S = !1; this.resizeCanvas ? (this.resizeCanvas.width !== k || this.resizeCanvas.height !== T) && (this.resizeCanvas.width = k, this.resizeCanvas.height = T) : (typeof document < "u" ? (this.resizeCanvas = document.createElement("canvas"), this.resizeCanvas.width = k, this.resizeCanvas.height = T) : this.resizeCanvas = new OffscreenCanvas(k, T), S = !0); let x = this.resizeCanvas.getContext("2d", { alpha: this.encodingConfig.alpha === "keep" || xt() }); p(x), typeof x.resetTransform == "function" && x.resetTransform(), S || (xt() ? (x.fillStyle = "black", x.fillRect(0, 0, k, T)) : x.clearRect(0, 0, k, T)), t.drawWithFit(x, { fit: w, rotation: m, crop: h }), e && t.close(), t = new me(this.resizeCanvas, { timestamp: t.timestamp, duration: t.duration, rotation: 0 }), e = !0 } else (this.outputWidth === null || this.outputHeight === null) && (this.outputWidth = t.codedWidth, this.outputHeight = t.codedHeight); let l = a.transform?.frameRate; if (l !== void 0) { let m = t.timestamp + t.duration, d = dr(t.timestamp, l); if (this.frameRateLastSample !== null) if (d <= this.frameRateLastTimestamp) { this.frameRateLastSample.close(), this.frameRateLastSample = t.clone(), this.frameRateLastEndTimestamp = m; return } else await this.padFrameRate(d, r); t === i && (t = t.clone(), e = !0), t.setTimestamp(d), t.setDuration(1 / l), this.frameRateLastSample?.close(), this.frameRateLastSample = t.clone(), this.frameRateLastTimestamp = d, this.frameRateLastEndTimestamp = m } await this.processAndEncode(t, r) } finally { e && t.close() } } async processAndEncode(t, e) { let r = this.encodingConfig, i; if (r.transform?.process) { let a = r.transform.process(t); if (a instanceof Promise && (a = await a), a === null) return; Array.isArray(a) || (a = [a]), i = a.map(s => s instanceof me ? s : typeof VideoFrame < "u" && s instanceof VideoFrame ? new me(s) : new me(s, { timestamp: t.timestamp, duration: t.duration })) } else i = [t]; try { for (let a of i) { this.encoderInitialized || (this.ensureEncoderPromise || this.ensureEncoder(a), this.encoderInitialized || await this.ensureEncoderPromise), p(this.encoderInitialized); let s = this.encodingConfig.keyFrameInterval ?? 2, o = Math.floor(a.timestamp / s), c = { ...e, keyFrame: e?.keyFrame || s === 0 || o !== this.lastMultipleOfKeyFrameInterval }; if (this.lastMultipleOfKeyFrameInterval = o, this.customEncoder) { this.customEncoderQueueSize++; let u = a.clone(), l = this.customEncoderCallSerializer.call(() => this.customEncoder.encode(u, c)).then(() => this.customEncoderQueueSize--).catch(m => this.error ??= m).finally(() => { u.close() }); this.customEncoderQueueSize >= 4 && await l } else { p(this.encoder); let u = a.toVideoFrame(), l = q(this.preciseTimings, u.timestamp, d => d.microsecondTimestamp), m = l !== -1 ? this.preciseTimings[l] : null; if (m && m.microsecondTimestamp === u.timestamp ? (m.timestamp !== a.timestamp && (m.timestampIsValid = !1), m.duration !== a.duration && (m.durationIsValid = !1)) : (this.preciseTimings.splice(l + 1, 0, { microsecondTimestamp: u.timestamp, timestamp: a.timestamp, duration: a.duration, timestampIsValid: !0, durationIsValid: !0 }), this.preciseTimings.length > 128 && this.preciseTimings.shift()), !this.alphaEncoder) this.encoder.encode(u, c), u.close(); else if (!!u.format && !u.format.includes("A") || this.splitterCreationFailed) this.alphaFrameQueue.push(null), this.encoder.encode(u, c), u.close(); else { let f = u.displayWidth, h = u.displayHeight; if (!this.splitter) try { this.splitter = new cu(f, h) } catch (b) { console.error("Due to an error, only color data will be encoded.", b), this.splitterCreationFailed = !0, this.alphaFrameQueue.push(null), this.encoder.encode(u, c), u.close() } if (this.splitter) { let b = this.splitter.extractColor(u), g = this.splitter.extractAlpha(u); this.alphaFrameQueue.push(g), this.encoder.encode(b, c), b.close(), u.close() } } this.encoder.encodeQueueSize >= 4 && await new Promise(d => this.encoder.addEventListener("dequeue", d, { once: !0 })) } await this.lastMuxerPromise } } finally { for (let a of i) a !== t && a.close() } } async padFrameRate(t, e) { let r = this.encodingConfig.transform.frameRate; p(this.frameRateLastSample); let i = Math.round((t - this.frameRateLastTimestamp) * r); for (let a = 1; a < i; a++) { let s = this.frameRateLastSample.clone(); s.setTimestamp(this.frameRateLastTimestamp + a / r), s.setDuration(1 / r), await this.processAndEncode(s, e), s.close() } } ensureEncoder(t) { this.ensureEncoderPromise = (async () => { let e = Vc({ ...this.encodingConfig, width: t.codedWidth, height: t.codedHeight, squarePixelWidth: t.squarePixelWidth, squarePixelHeight: t.squarePixelHeight, framerate: this.source._connectedTrack?.metadata.frameRate }); this.encodingConfig.onEncoderConfig?.(e); let r = Gi.find(i => i.supports(this.encodingConfig.codec, e)); if (r) this.customEncoder = new r, this.customEncoder.codec = this.encodingConfig.codec, this.customEncoder.config = e, this.customEncoder.onPacket = (i, a) => { if (!(i instanceof Q)) throw new TypeError("The first argument passed to onPacket must be an EncodedPacket."); if (a !== void 0 && (!a || typeof a != "object")) throw new TypeError("The second argument passed to onPacket must be an object or undefined."); ou(this.source._connectedTrack, i), this.encodingConfig.onEncodedPacket?.(i, a), this.lastMuxerPromise = this.muxer.addEncodedVideoPacket(this.source._connectedTrack, i, a).catch(s => { this.error ??= s }) }, await this.customEncoder.init(); else { if (typeof VideoEncoder > "u") throw new Error("VideoEncoder is not supported by this browser."); if (e.alpha = "discard", this.encodingConfig.alpha === "keep" && (e.latencyMode = "quality"), (e.width % 2 === 1 || e.height % 2 === 1) && (this.encodingConfig.codec === "avc" || this.encodingConfig.codec === "hevc")) throw new Error(`The dimensions ${e.width}x${e.height} are not supported for codec '${this.encodingConfig.codec}'; both width and height must be even numbers. Make sure to round your dimensions to the nearest even number.`); if (!(await VideoEncoder.isConfigSupported(e)).supported) throw new Error(`This specific encoder configuration (${e.codec}, ${e.bitrate} bps, ${e.width}x${e.height}, hardware acceleration: ${e.hardwareAcceleration ?? "no-preference"}) is not supported by this browser. Consider using another codec or changing your video parameters.`); let s = [], o = [], c = 0, u = 0, l = (d, f, h) => { let b = {}; if (f) { let T = new Uint8Array(f.byteLength); f.copyTo(T), b.alpha = T } let g = Q.fromEncodedChunk(d, b), y = q(this.preciseTimings, d.timestamp, T => T.microsecondTimestamp), k = y !== -1 ? this.preciseTimings[y] : null; k && k.microsecondTimestamp === d.timestamp && (g = g.clone({ timestamp: k.timestampIsValid ? k.timestamp : void 0, duration: k.durationIsValid ? k.duration : void 0 })), ou(this.source._connectedTrack, g), this.encodingConfig.onEncodedPacket?.(g, h), this.lastMuxerPromise = this.muxer.addEncodedVideoPacket(this.source._connectedTrack, g, h).catch(T => { this.error ??= T }) }, m = new Error("Encoding error").stack; if (this.encoder = new VideoEncoder({ output: (d, f) => { if (!this.alphaEncoder) { l(d, null, f); return } let h = this.alphaFrameQueue.shift(); p(h !== void 0), h ? (this.alphaEncoder.encode(h, { keyFrame: d.type === "key" }), u++, h.close(), s.push({ chunk: d, meta: f })) : u === 0 ? l(d, null, f) : (o.push(c + u), s.push({ chunk: d, meta: f })) }, error: d => { d.stack = m, this.error ??= d } }), this.encoder.configure(e), this.encodingConfig.alpha === "keep") { let d = new Error("Encoding error").stack; this.alphaEncoder = new VideoEncoder({ output: (f, h) => { u--; let b = s.shift(); for (p(b !== void 0), l(b.chunk, f, b.meta), c++; o.length > 0 && o[0] === c;) { o.shift(); let g = s.shift(); p(g !== void 0), l(g.chunk, null, g.meta) } }, error: f => { f.stack = d, this.error ??= f } }), this.alphaEncoder.configure(e) } } p(this.source._connectedTrack), this.muxer = this.source._connectedTrack.output._muxer, this.encoderInitialized = !0 })() } async flushAndClose(t) { if (t || this.checkForEncoderError(), !t && this.frameRateLastSample) { let e = this.encodingConfig.transform.frameRate, r = dr(this.frameRateLastEndTimestamp, e); await this.padFrameRate(r) } this.frameRateLastSample?.close(), this.frameRateLastSample = null, this.customEncoder ? (t || this.customEncoderCallSerializer.call(() => this.customEncoder.flush()), await this.customEncoderCallSerializer.call(() => this.customEncoder.close())) : this.encoder && (t || (await this.encoder.flush(), await this.alphaEncoder?.flush()), this.encoder.state !== "closed" && this.encoder.close(), this.alphaEncoder && this.alphaEncoder.state !== "closed" && this.alphaEncoder.close(), this.alphaFrameQueue.forEach(e => e?.close()), this.splitter?.close()), t || this.checkForEncoderError() } getQueueSize() { return this.customEncoder ? this.customEncoderQueueSize : this.encoder?.encodeQueueSize ?? 0 } checkForEncoderError() { if (this.error) throw this.error } }, cu = class {
constructor(t, e) { this.lastFrame = null; typeof OffscreenCanvas < "u" ? this.canvas = new OffscreenCanvas(t, e) : (this.canvas = document.createElement("canvas"), this.canvas.width = t, this.canvas.height = e); let r = this.canvas.getContext("webgl2", { alpha: !0 }); if (!r) throw new Error("Couldn't acquire WebGL 2 context."); this.gl = r, this.colorProgram = this.createColorProgram(), this.alphaProgram = this.createAlphaProgram(), this.vao = this.createVAO(), this.sourceTexture = this.createTexture(), this.alphaResolutionLocation = this.gl.getUniformLocation(this.alphaProgram, "u_resolution"), this.gl.useProgram(this.colorProgram), this.gl.uniform1i(this.gl.getUniformLocation(this.colorProgram, "u_sourceTexture"), 0), this.gl.useProgram(this.alphaProgram), this.gl.uniform1i(this.gl.getUniformLocation(this.alphaProgram, "u_sourceTexture"), 0) } createVertexShader() {
return this.createShader(this.gl.VERTEX_SHADER, `#version 300 es
in vec2 a_position;
in vec2 a_texCoord;
out vec2 v_texCoord;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
v_texCoord = a_texCoord;
}
`)
} createColorProgram() {
let t = this.createVertexShader(), e = this.createShader(this.gl.FRAGMENT_SHADER, `#version 300 es
precision highp float;
uniform sampler2D u_sourceTexture;
in vec2 v_texCoord;
out vec4 fragColor;
void main() {
vec4 source = texture(u_sourceTexture, v_texCoord);
fragColor = vec4(source.rgb, 1.0);
}
`), r = this.gl.createProgram(); return this.gl.attachShader(r, t), this.gl.attachShader(r, e), this.gl.linkProgram(r), r
} createAlphaProgram() {
let t = this.createVertexShader(), e = this.createShader(this.gl.FRAGMENT_SHADER, `#version 300 es
precision highp float;
uniform sampler2D u_sourceTexture;
uniform vec2 u_resolution; // The width and height of the canvas
in vec2 v_texCoord;
out vec4 fragColor;
// This function determines the value for a single byte in the YUV stream
float getByteValue(float byteOffset) {
float width = u_resolution.x;
float height = u_resolution.y;
float yPlaneSize = width * height;
if (byteOffset < yPlaneSize) {
// This byte is in the luma plane. Find the corresponding pixel coordinates to sample from
float y = floor(byteOffset / width);
float x = mod(byteOffset, width);
// Add 0.5 to sample the center of the texel
vec2 sampleCoord = (vec2(x, y) + 0.5) / u_resolution;
// The luma value is the alpha from the source texture
return texture(u_sourceTexture, sampleCoord).a;
} else {
// Write a fixed value for chroma and beyond
return 128.0 / 255.0;
}
}
void main() {
// Each fragment writes 4 bytes (R, G, B, A)
float pixelIndex = floor(gl_FragCoord.y) * u_resolution.x + floor(gl_FragCoord.x);
float baseByteOffset = pixelIndex * 4.0;
vec4 result;
for (int i = 0; i < 4; i++) {
float currentByteOffset = baseByteOffset + float(i);
result[i] = getByteValue(currentByteOffset);
}
fragColor = result;
}
`), r = this.gl.createProgram(); return this.gl.attachShader(r, t), this.gl.attachShader(r, e), this.gl.linkProgram(r), r
} createShader(t, e) { let r = this.gl.createShader(t); return this.gl.shaderSource(r, e), this.gl.compileShader(r), this.gl.getShaderParameter(r, this.gl.COMPILE_STATUS) || console.error("Shader compile error:", this.gl.getShaderInfoLog(r)), r } createVAO() { let t = this.gl.createVertexArray(); this.gl.bindVertexArray(t); let e = new Float32Array([-1, -1, 0, 1, 1, -1, 1, 1, -1, 1, 0, 0, 1, 1, 1, 0]), r = this.gl.createBuffer(); this.gl.bindBuffer(this.gl.ARRAY_BUFFER, r), this.gl.bufferData(this.gl.ARRAY_BUFFER, e, this.gl.STATIC_DRAW); let i = this.gl.getAttribLocation(this.colorProgram, "a_position"), a = this.gl.getAttribLocation(this.colorProgram, "a_texCoord"); return this.gl.enableVertexAttribArray(i), this.gl.vertexAttribPointer(i, 2, this.gl.FLOAT, !1, 16, 0), this.gl.enableVertexAttribArray(a), this.gl.vertexAttribPointer(a, 2, this.gl.FLOAT, !1, 16, 8), t } createTexture() { let t = this.gl.createTexture(); return this.gl.bindTexture(this.gl.TEXTURE_2D, t), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, this.gl.CLAMP_TO_EDGE), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, this.gl.CLAMP_TO_EDGE), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.LINEAR), this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MAG_FILTER, this.gl.LINEAR), t } updateTexture(t) { this.lastFrame !== t && ((t.displayWidth !== this.canvas.width || t.displayHeight !== this.canvas.height) && (this.canvas.width = t.displayWidth, this.canvas.height = t.displayHeight), this.gl.activeTexture(this.gl.TEXTURE0), this.gl.bindTexture(this.gl.TEXTURE_2D, this.sourceTexture), this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, t), this.lastFrame = t) } extractColor(t) { return this.updateTexture(t), this.gl.useProgram(this.colorProgram), this.gl.viewport(0, 0, this.canvas.width, this.canvas.height), this.gl.clear(this.gl.COLOR_BUFFER_BIT), this.gl.bindVertexArray(this.vao), this.gl.drawArrays(this.gl.TRIANGLE_STRIP, 0, 4), new VideoFrame(this.canvas, { timestamp: t.timestamp, duration: t.duration ?? void 0, alpha: "discard" }) } extractAlpha(t) { this.updateTexture(t), this.gl.useProgram(this.alphaProgram), this.gl.uniform2f(this.alphaResolutionLocation, this.canvas.width, this.canvas.height), this.gl.viewport(0, 0, this.canvas.width, this.canvas.height), this.gl.clear(this.gl.COLOR_BUFFER_BIT), this.gl.bindVertexArray(this.vao), this.gl.drawArrays(this.gl.TRIANGLE_STRIP, 0, 4); let { width: e, height: r } = this.canvas, i = Math.ceil(e / 2) * Math.ceil(r / 2), a = e * r + i * 2, s = Math.ceil(a / (e * 4)), o = new Uint8Array(4 * e * s); this.gl.readPixels(0, 0, e, s, this.gl.RGBA, this.gl.UNSIGNED_BYTE, o), o = o.subarray(0, a), p(o[e * r] === 128), p(o[o.length - 1] === 128); let c = { format: "I420", codedWidth: e, codedHeight: r, timestamp: t.timestamp, duration: t.duration ?? void 0, transfer: [o.buffer] }; return new VideoFrame(o, c) } close() { this.gl.getExtension("WEBGL_lose_context")?.loseContext(), this.gl = null }
}, di = class extends Ot { constructor(t) { Qs(t), super(t.codec), this._encoder = new na(this, t) } add(t, e) { if (!(t instanceof me)) throw new TypeError("videoSample must be a VideoSample."); return this._encoder.add(t, !1, e) } _flushAndClose(t) { return this._encoder.flushAndClose(t) } }, ho = class extends Ot { constructor(t, e) { if (!(typeof HTMLCanvasElement < "u" && t instanceof HTMLCanvasElement) && !(typeof OffscreenCanvas < "u" && t instanceof OffscreenCanvas)) throw new TypeError("canvas must be an HTMLCanvasElement or OffscreenCanvas."); Qs(e), super(e.codec), this._encoder = new na(this, e), this._canvas = t } add(t, e = 0, r) { if (!Number.isFinite(t) || t < 0) throw new TypeError("timestamp must be a non-negative number."); if (!Number.isFinite(e) || e < 0) throw new TypeError("duration must be a non-negative number."); let i = new me(this._canvas, { timestamp: t, duration: e }); return this._encoder.add(i, !0, r) } _flushAndClose(t) { return this._encoder.flushAndClose(t) } }, go = class extends Ot { constructor(e, r, i = {}) { if (!(e instanceof MediaStreamTrack) || e.kind !== "video") throw new TypeError("track must be a video MediaStreamTrack."); if (Qs(r), typeof i != "object" || !i) throw new TypeError("options must be an object."); if (i.frameRate != null && (typeof i.frameRate != "number" || i.frameRate <= 0)) throw new TypeError("options.frameRate, when provided, must be either a positive number or null."); if (i.timestampBase !== void 0 && i.timestampBase !== "synced-zero" && i.timestampBase !== "zero" && i.timestampBase !== "unix") throw new TypeError("options.timestampBase, when provided, must be one of 'synced-zero', 'zero', or 'unix'."); r = { ...r, latencyMode: "realtime" }; super(r.codec); this._abortController = null; this._workerTrackId = null; this._workerListener = null; this._promiseWithResolvers = J(); this._errorPromiseAccessed = !1; this._paused = !1; this._lastVideoFrame = null; this._timerHandle = null; this._videoElement = null; this._options = i, this._encoder = new na(this, r), this._track = e } get errorPromise() { return this._errorPromiseAccessed = !0, this._promiseWithResolvers.promise } get paused() { return this._paused } async _start() { this._errorPromiseAccessed || console.warn("Make sure not to ignore the `errorPromise` field on MediaStreamVideoTrackSource, so that any internal errors get bubbled up properly."); let e = this._options.frameRate !== void 0 ? this._options.frameRate : this._track.getSettings().frameRate ?? null; this._abortController = new AbortController; let r = null, i = null, a = 0, s = !1, o = null, c = 0, u = () => { if (p(e !== null), !this._lastVideoFrame) return; p(i !== null), p(r !== null); let d = performance.now(); for (; d - i > 1e3 / e;) { i += 1e3 / e; let f = r + a / e, h = new VideoFrame(this._videoElement ?? this._lastVideoFrame, { timestamp: 1e6 * f, duration: 1e6 / e }); m(h, d) } }; e !== null && (this._timerHandle = Nu(u, 4)); let l = d => { if (e === null) m(d); else { let f = performance.now(); this._lastVideoFrame ? (u(), this._lastVideoFrame?.close(), this._lastVideoFrame = d) : (m(d.clone(), f), i = f, this._lastVideoFrame = d) } }, m = (d, f = performance.now()) => { if (s) { d.close(); return } a++; let h = d.timestamp / 1e6; if (this._paused) { if (r !== null) { if (o !== null && this._options.timestampBase !== "unix") { let y = h - o; c -= y } o = h } d.close(); return } if (r === null) { r = h; let g, y = this._options.timestampBase ?? "synced-zero"; if (y === "unix") g = Date.now() / 1e3; else if (y === "zero") g = 0; else { let k = this._connectedTrack.output; k._firstMediaStreamTimestamp === null ? (k._firstMediaStreamTimestamp = f / 1e3, g = 0) : g = f / 1e3 - k._firstMediaStreamTimestamp } c = g - r } if (o = h, this._encoder.getQueueSize() >= 8) { d.close(); return } let b = new me(d, { timestamp: h + c }); this._encoder.add(b, !0).catch(g => { s = !0, this._abortController?.abort(), this._promiseWithResolvers.reject(g), this._workerTrackId !== null && su({ type: "stopTrack", trackId: this._workerTrackId }) }) }; if (typeof MediaStreamTrackProcessor < "u") { let d = new MediaStreamTrackProcessor({ track: this._track }), f = new WritableStream({ write: l }); d.readable.pipeTo(f, { signal: this._abortController.signal }).catch(h => { h instanceof DOMException && h.name === "AbortError" || this._promiseWithResolvers.reject(h) }) } else if (await Ep()) this._workerTrackId = Cp++, su({ type: "videoTrack", trackId: this._workerTrackId, track: this._track }), this._workerListener = f => { let h = f.data; h.type === "videoFrame" && h.trackId === this._workerTrackId ? l(h.videoFrame) : h.type === "error" && h.trackId === this._workerTrackId && this._promiseWithResolvers.reject(h.error) }, et.addEventListener("message", this._workerListener); else if (e !== null) { let f = document.createElement("video"); f.style.position = "fixed", f.style.left = "-10000px", f.style.top = "-10000px", f.style.width = "1px", f.style.height = "1px", f.style.opacity = "0", f.style.pointerEvents = "none", f.muted = !0, f.srcObject = new MediaStream([this._track]), document.body.appendChild(f), this._videoElement = f, f.addEventListener("loadeddata", () => { if (s || !this._videoElement) return; let h = new VideoFrame(f, { timestamp: 1e3 * performance.now() }); l(h), h.close() }, { once: !0 }), f.play().catch(h => { s = !0, this._promiseWithResolvers.reject(h) }) } else throw new Error("When no explicit frame rate is set, MediaStreamTrackProcessor is required; but it's not supported by this browser.") } pause() { this._paused = !0 } resume() { this._paused = !1 } async _flushAndClose(e) { this._abortController && (this._abortController.abort(), this._abortController = null), this._timerHandle && Lu(this._timerHandle), this._lastVideoFrame?.close(), this._videoElement && (this._videoElement.srcObject = null, this._videoElement.remove(), this._videoElement = null), this._workerTrackId !== null && (p(this._workerListener), su({ type: "stopTrack", trackId: this._workerTrackId }), await new Promise(r => { let i = a => { let s = a.data; s.type === "trackStopped" && s.trackId === this._workerTrackId && (p(this._workerListener), et.removeEventListener("message", this._workerListener), et.removeEventListener("message", i), r()) }; et.addEventListener("message", i) })), await this._encoder.flushAndClose(e) } }, Dt = class extends li { constructor(e) { super(); this._connectedTrack = null; if (!se.includes(e)) throw new TypeError(`Invalid audio codec '${e}'. Must be one of: ${se.join(", ")}.`); this._codec = e } }, Vr = class extends Dt { constructor(t) { super(t) } add(t, e) { if (!(t instanceof Q)) throw new TypeError("packet must be an EncodedPacket."); if (t.isMetadataOnly) throw new TypeError("Metadata-only packets cannot be added."); if (e !== void 0 && (!e || typeof e != "object")) throw new TypeError("meta, when provided, must be an object."); return this._ensureValidAdd(), this._connectedTrack.output._muxer.addEncodedAudioPacket(this._connectedTrack, t, e) } }, aa = class { constructor(t, e) { this.source = t; this.encodingConfig = e; this.ensureEncoderPromise = null; this.encoderInitialized = !1; this.encoder = null; this.muxer = null; this.lastNumberOfChannels = null; this.lastSampleRate = null; this.isPcmEncoder = !1; this.outputSampleSize = null; this.writeOutputValue = null; this.customEncoder = null; this.customEncoderCallSerializer = new cr; this.customEncoderQueueSize = 0; this.lastEndSampleIndex = null; this.resampler = null; this.error = null; this.lastMuxerPromise = Promise.resolve() } async add(t, e) { try { if (this.checkForEncoderError(), this.source._ensureValidAdd(), this.lastNumberOfChannels !== null && this.lastSampleRate !== null) { if (t.numberOfChannels !== this.lastNumberOfChannels || t.sampleRate !== this.lastSampleRate) throw new Error(`Audio parameters must remain constant. Expected ${this.lastNumberOfChannels} channels at ${this.lastSampleRate} Hz, got ${t.numberOfChannels} channels at ${t.sampleRate} Hz.`) } else this.lastNumberOfChannels = t.numberOfChannels, this.lastSampleRate = t.sampleRate; let r = this.encodingConfig; r.transform?.numberOfChannels !== void 0 || r.transform?.sampleRate !== void 0 ? (this.resampler || (this.resampler = new nn({ targetNumberOfChannels: r.transform.numberOfChannels ?? t.numberOfChannels, targetSampleRate: r.transform.sampleRate ?? t.sampleRate, startTime: t.timestamp, endTime: 1 / 0, onSample: async a => { await this.processAndEncode(a, !0) } })), await this.resampler.add(t)) : await this.processAndEncode(t, e) } finally { e && t.close() } } async processAndEncode(t, e) { let r = this.encodingConfig; if (r.transform?.sampleFormat !== void 0 && Hs(t.format) !== r.transform.sampleFormat) { let i = qs(t, r.transform.sampleFormat); e && t.close(), t = i, e = !0 } if (r.transform?.process) { let i = r.transform.process(t); if (i instanceof Promise && (i = await i), i === null) return; Array.isArray(i) || (i = [i]); for (let a of i) { if (!(a instanceof Te)) throw new TypeError("The audio process function must return an AudioSample, null, or an array of AudioSamples."); await this.encodeSample(a, !0) } e && t.close() } else await this.encodeSample(t, e) } async encodeSample(t, e) { try { this.encoderInitialized || (this.ensureEncoderPromise || this.ensureEncoder(t), this.encoderInitialized || await this.ensureEncoderPromise), p(this.encoderInitialized); { let r = Math.round(t.timestamp * t.sampleRate), i = Math.round((t.timestamp + t.duration) * t.sampleRate); if (this.lastEndSampleIndex === null) this.lastEndSampleIndex = i; else { let a = r - this.lastEndSampleIndex; if (a >= 64) { let s = new Te({ data: new Float32Array(a * t.numberOfChannels), format: "f32-planar", sampleRate: t.sampleRate, numberOfChannels: t.numberOfChannels, numberOfFrames: a, timestamp: this.lastEndSampleIndex / t.sampleRate }); await this.encodeSample(s, !0) } this.lastEndSampleIndex += t.numberOfFrames } } if (this.customEncoder) { this.customEncoderQueueSize++; let r = t.clone(), i = this.customEncoderCallSerializer.call(() => this.customEncoder.encode(r)).then(() => this.customEncoderQueueSize--).catch(a => this.error ??= a).finally(() => { r.close() }); this.customEncoderQueueSize >= 4 && await i, await this.lastMuxerPromise } else if (this.isPcmEncoder) await this.doPcmEncoding(t, e); else { p(this.encoder); let r = t.toAudioData(); this.encoder.encode(r), r.close(), e && t.close(), this.encoder.encodeQueueSize >= 4 && await new Promise(i => this.encoder.addEventListener("dequeue", i, { once: !0 })), await this.lastMuxerPromise } } finally { e && t.close() } } async doPcmEncoding(t, e) { p(this.outputSampleSize), p(this.writeOutputValue); let { numberOfChannels: r, numberOfFrames: i, sampleRate: a, timestamp: s } = t, o = 2048, c = []; for (let d = 0; d < i; d += o) { let f = Math.min(o, t.numberOfFrames - d), h = f * r * this.outputSampleSize, b = new ArrayBuffer(h), g = new DataView(b); c.push({ frameCount: f, view: g }) } let u = t.allocationSize({ planeIndex: 0, format: "f32-planar" }), l = new Float32Array(u / Float32Array.BYTES_PER_ELEMENT); for (let d = 0; d < r; d++) { t.copyTo(l, { planeIndex: d, format: "f32-planar" }); for (let f = 0; f < c.length; f++) { let { frameCount: h, view: b } = c[f]; for (let g = 0; g < h; g++)this.writeOutputValue(b, (g * r + d) * this.outputSampleSize, l[f * o + g]) } } e && t.close(); let m = { decoderConfig: { codec: this.encodingConfig.codec, numberOfChannels: r, sampleRate: a } }; for (let d = 0; d < c.length; d++) { let { frameCount: f, view: h } = c[d], b = h.buffer, g = d * o, y = new Q(new Uint8Array(b), "key", s + g / a, f / a); this.encodingConfig.onEncodedPacket?.(y, m), await this.muxer.addEncodedAudioPacket(this.source._connectedTrack, y, m) } } ensureEncoder(t) { this.ensureEncoderPromise = (async () => { let { numberOfChannels: e, sampleRate: r } = t, i = Uc({ numberOfChannels: e, sampleRate: r, ...this.encodingConfig }); this.encodingConfig.onEncoderConfig?.(i); let a = Qi.find(s => s.supports(this.encodingConfig.codec, i)); if (a) this.customEncoder = new a, this.customEncoder.codec = this.encodingConfig.codec, this.customEncoder.config = i, this.customEncoder.onPacket = (s, o) => { if (!(s instanceof Q)) throw new TypeError("The first argument passed to onPacket must be an EncodedPacket."); if (o !== void 0 && (!o || typeof o != "object")) throw new TypeError("The second argument passed to onPacket must be an object or undefined."); this.encodingConfig.onEncodedPacket?.(s, o), this.lastMuxerPromise = this.muxer.addEncodedAudioPacket(this.source._connectedTrack, s, o).catch(c => { this.error ??= c }) }, await this.customEncoder.init(); else if (te.includes(this.encodingConfig.codec)) this.initPcmEncoder(); else { if (typeof AudioEncoder > "u") throw new Error("AudioEncoder is not supported by this browser."); if (!(await AudioEncoder.isConfigSupported(i)).supported) throw new Error(`This specific encoder configuration (${i.codec}, ${i.bitrate} bps, ${i.numberOfChannels} channels, ${i.sampleRate} Hz) is not supported by this browser. Consider using another codec or changing your audio parameters.`); let o = new Error("Encoding error").stack; this.encoder = new AudioEncoder({ output: (c, u) => { if (this.encodingConfig.codec === "aac" && u?.decoderConfig) { let m = !1; if (!u.decoderConfig.description || u.decoderConfig.description.byteLength < 2 ? m = !0 : m = It(j(u.decoderConfig.description)).objectType === 0, m) { let d = Number(X(i.codec.split("."))); u.decoderConfig.description = ki({ objectType: d, numberOfChannels: u.decoderConfig.numberOfChannels, sampleRate: u.decoderConfig.sampleRate }) } } let l = Q.fromEncodedChunk(c); l = l.clone({ timestamp: St(l.timestamp, i.sampleRate), duration: c.duration != null ? St(l.duration, i.sampleRate) : void 0 }), this.encodingConfig.onEncodedPacket?.(l, u), this.lastMuxerPromise = this.muxer.addEncodedAudioPacket(this.source._connectedTrack, l, u).catch(m => { this.error ??= m }) }, error: c => { c.stack = o, this.error ??= c } }), this.encoder.configure(i) } p(this.source._connectedTrack), this.muxer = this.source._connectedTrack.output._muxer, this.encoderInitialized = !0 })() } initPcmEncoder() { this.isPcmEncoder = !0; let t = this.encodingConfig.codec, { dataType: e, sampleSize: r, littleEndian: i } = Ae(t); switch (this.outputSampleSize = r, r) { case 1: e === "unsigned" ? this.writeOutputValue = (a, s, o) => a.setUint8(s, de((o + 1) * 127.5, 0, 255)) : e === "signed" ? this.writeOutputValue = (a, s, o) => { a.setInt8(s, de(Math.round(o * 128), -128, 127)) } : e === "ulaw" ? this.writeOutputValue = (a, s, o) => { let c = de(Math.floor(o * 32767), -32768, 32767); a.setUint8(s, wd(c)) } : e === "alaw" ? this.writeOutputValue = (a, s, o) => { let c = de(Math.floor(o * 32767), -32768, 32767); a.setUint8(s, Ad(c)) } : p(!1); break; case 2: e === "unsigned" ? this.writeOutputValue = (a, s, o) => a.setUint16(s, de((o + 1) * 32767.5, 0, 65535), i) : e === "signed" ? this.writeOutputValue = (a, s, o) => a.setInt16(s, de(Math.round(o * 32767), -32768, 32767), i) : p(!1); break; case 3: e === "unsigned" ? this.writeOutputValue = (a, s, o) => Wr(a, s, de((o + 1) * 83886075e-1, 0, 16777215), i) : e === "signed" ? this.writeOutputValue = (a, s, o) => Iu(a, s, de(Math.round(o * 8388607), -8388608, 8388607), i) : p(!1); break; case 4: e === "unsigned" ? this.writeOutputValue = (a, s, o) => a.setUint32(s, de((o + 1) * 21474836475e-1, 0, 4294967295), i) : e === "signed" ? this.writeOutputValue = (a, s, o) => a.setInt32(s, de(Math.round(o * 2147483647), -2147483648, 2147483647), i) : e === "float" ? this.writeOutputValue = (a, s, o) => a.setFloat32(s, o, i) : p(!1); break; case 8: e === "float" ? this.writeOutputValue = (a, s, o) => a.setFloat64(s, o, i) : p(!1); break; default: ae(r), p(!1) } } async flushAndClose(t) { t || this.checkForEncoderError(), !t && this.resampler && await this.resampler.finalize(), this.resampler = null, this.customEncoder ? (t || this.customEncoderCallSerializer.call(() => this.customEncoder.flush()), await this.customEncoderCallSerializer.call(() => this.customEncoder.close())) : this.encoder && (t || await this.encoder.flush(), this.encoder.state !== "closed" && this.encoder.close()), t || this.checkForEncoderError() } getQueueSize() { return this.customEncoder ? this.customEncoderQueueSize : this.isPcmEncoder ? 0 : this.encoder?.encodeQueueSize ?? 0 } checkForEncoderError() { if (this.error) throw this.error } }, mi = class extends Dt { constructor(t) { js(t), super(t.codec), this._encoder = new aa(this, t) } add(t) { if (!(t instanceof Te)) throw new TypeError("audioSample must be an AudioSample."); return this._encoder.add(t, !1) } _flushAndClose(t) { return this._encoder.flushAndClose(t) } }, bo = class extends Dt { constructor(e) { js(e); super(e.codec); this._accumulatedTime = 0; this._encoder = new aa(this, e) } async add(e) { if (!(e instanceof AudioBuffer)) throw new TypeError("audioBuffer must be an AudioBuffer."); let r = Te._fromAudioBuffer(e, this._accumulatedTime); this._accumulatedTime += e.duration; for (let i of r) await this._encoder.add(i, !0) } _flushAndClose(e) { return this._encoder.flushAndClose(e) } }, yo = class extends Dt { constructor(e, r, i = {}) { if (!(e instanceof MediaStreamTrack) || e.kind !== "audio") throw new TypeError("track must be an audio MediaStreamTrack."); if (js(r), typeof i != "object" || !i) throw new TypeError("options must be an object."); if (i.timestampBase !== void 0 && i.timestampBase !== "synced-zero" && i.timestampBase !== "zero" && i.timestampBase !== "unix") throw new TypeError("options.timestampBase, when provided, must be one of 'synced-zero', 'zero', or 'unix'."); super(r.codec); this._abortController = null; this._audioContext = null; this._scriptProcessorNode = null; this._promiseWithResolvers = J(); this._errorPromiseAccessed = !1; this._paused = !1; this._options = i, this._encoder = new aa(this, r), this._track = e } get errorPromise() { return this._errorPromiseAccessed = !0, this._promiseWithResolvers.promise } get paused() { return this._paused } async _start() { this._errorPromiseAccessed || console.warn("Make sure not to ignore the `errorPromise` field on MediaStreamAudioTrackSource, so that any internal errors get bubbled up properly."), this._abortController = new AbortController; let e = null, r = !1, i = null, a = 0, s = o => { if (r) { o.close(); return } let c = o.timestamp; if (this._paused) { if (e !== null) { if (i !== null && this._options.timestampBase !== "unix") { let l = c - i; a -= l } i = c } o.close(); return } if (e === null) { e = o.timestamp; let u, l = this._options.timestampBase ?? "synced-zero"; if (l === "unix") u = Date.now() / 1e3; else if (l === "zero") u = 0; else { let m = this._connectedTrack.output; m._firstMediaStreamTimestamp === null ? (m._firstMediaStreamTimestamp = performance.now() / 1e3, u = 0) : u = performance.now() / 1e3 - m._firstMediaStreamTimestamp } a = u - e } if (i = c, this._encoder.getQueueSize() >= 8) { o.close(); return } o.setTimestamp(c + a), this._encoder.add(o, !0).catch(u => { r = !0, this._abortController?.abort(), this._promiseWithResolvers.reject(u), this._audioContext?.suspend() }) }; if (typeof MediaStreamTrackProcessor < "u") { let o = new MediaStreamTrackProcessor({ track: this._track }), c = new WritableStream({ write: u => s(new Te(u)) }); o.readable.pipeTo(c, { signal: this._abortController.signal }).catch(u => { u instanceof DOMException && u.name === "AbortError" || this._promiseWithResolvers.reject(u) }) } else { let o = window.AudioContext || window.webkitAudioContext; this._audioContext = new o({ sampleRate: this._track.getSettings().sampleRate }); let c = this._audioContext.createMediaStreamSource(new MediaStream([this._track])); this._scriptProcessorNode = this._audioContext.createScriptProcessor(4096), this._audioContext.state === "suspended" && await this._audioContext.resume(), c.connect(this._scriptProcessorNode), this._scriptProcessorNode.connect(this._audioContext.destination); let u = 0; this._scriptProcessorNode.onaudioprocess = l => { let m = Te._fromAudioBuffer(l.inputBuffer, u); u += l.inputBuffer.duration; for (let d of m) s(d) } } } pause() { this._paused = !0 } resume() { this._paused = !1 } async _flushAndClose(e) { this._abortController && (this._abortController.abort(), this._abortController = null), this._audioContext && (p(this._scriptProcessorNode), this._scriptProcessorNode.disconnect(), await this._audioContext.suspend()), await this._encoder.flushAndClose(e) } }, Pp = () => { let n = (r, i) => { i ? self.postMessage(r, { transfer: i }) : self.postMessage(r) }; n({ type: "support", supported: typeof MediaStreamTrackProcessor < "u" }); let t = new Map, e = new Map; self.addEventListener("message", r => { let i = r.data; switch (i.type) { case "videoTrack": { e.set(i.trackId, i.track); let a = new MediaStreamTrackProcessor({ track: i.track }), s = new WritableStream({ write: c => { if (!e.has(i.trackId)) { c.close(); return } n({ type: "videoFrame", trackId: i.trackId, videoFrame: c }, [c]) } }), o = new AbortController; t.set(i.trackId, o), a.readable.pipeTo(s, { signal: o.signal }).catch(c => { c instanceof DOMException && c.name === "AbortError" || n({ type: "error", trackId: i.trackId, error: c }) }) } break; case "stopTrack": { let a = t.get(i.trackId); a && (a.abort(), t.delete(i.trackId)), e.get(i.trackId)?.stop(), e.delete(i.trackId), n({ type: "trackStopped", trackId: i.trackId }) } break; default: ae(i) } }) }, Cp = 0, et = null, Ip = () => { let n = new Blob([`(${Pp.toString()})()`], { type: "application/javascript" }), t = URL.createObjectURL(n); et = new Worker(t) }, au = null, Ep = async () => au !== null ? au : (et || Ip(), new Promise(n => { p(et); let t = e => { let r = e.data; r.type === "support" && (au = r.supported, et.removeEventListener("message", t), n(r.supported)) }; et.addEventListener("message", t) })), su = (n, t) => { p(et), t ? et.postMessage(n, t) : et.postMessage(n) }, fi = class extends li { constructor(e) { super(); this._connectedTrack = null; if (!Fe.includes(e)) throw new TypeError(`Invalid subtitle codec '${e}'. Must be one of: ${Fe.join(", ")}.`); this._codec = e } }, ko = class extends fi { constructor(e) { super(e); this._error = null; this._lastMuxerPromise = Promise.resolve(); this._parser = new eo({ codec: e, output: (r, i) => { this._lastMuxerPromise = this._connectedTrack.output._muxer.addSubtitleCue(this._connectedTrack, r, i).catch(a => { this._error ??= a }) } }) } add(e) { if (typeof e != "string") throw new TypeError("text must be a string."); return this._checkForError(), this._ensureValidAdd(), this._parser.parse(e), this._lastMuxerPromise } _checkForError() { if (this._error) throw this._error } async _flushAndClose(e) { e || this._checkForError() } }; var wo = class extends we {
constructor(e, r) { if (!(e._target instanceof Ne)) throw new TypeError("HLS outputs require `OutputOptions.target` to be a PathedTarget."); super(e); this.trackDatas = []; this.isRelativeToUnixEpoch = !1; this.numWrittenMasterPlaylists = 0; this.playlists = []; this.playlistDeclarations = []; this.format = r, this.targetSegmentDuration = r._options.targetDuration ?? 2, this.singleFilePerPlaylist = r._options.singleFilePerPlaylist ?? !1, this.isLive = r._options.live ?? !1, this.maxLiveSegmentCount = r._options.maxLiveSegmentCount ?? 1 / 0, this.globalTargetDuration = this.targetSegmentDuration, this.getPlaylistPath = r._options.getPlaylistPath ?? (({ n: i }) => `playlist-${i}.m3u8`), this.getSegmentPath = r._options.getSegmentPath ?? (i => i.isSingleFile ? `segments-${i.playlist.n}${i.format.fileExtension}` : `segment-${i.playlist.n}-${i.n}${i.format.fileExtension}`), this.getInitPath = r._options.getInitPath ?? (i => `init-${i.n}${i.segmentFormat.fileExtension}`) } async start() { let e = await this.mutex.acquire(), r = this.output._tracks.some(y => y.metadata.isRelativeToUnixEpoch), i = this.output._tracks.some(y => !y.metadata.isRelativeToUnixEpoch); if (r && i) throw new Error("All tracks must agree on `relativeToUnixEpoch`: some tracks are relative to the Unix epoch and some are not."); this.isRelativeToUnixEpoch = r; let a = new Map, s = [], o = !1, c = !1, u = !1; for (let y of this.output._tracks) { y.type === "video" && (o = !0); let k = new Map; for (let T of this.output._tracks) { if (y === T || !y.canBePairedWith(T)) continue; if (y.type === T.type) { c || (console.warn(`Illegal pairing of two ${y.type} tracks detected, which is not possible in HLS; treating them as unpaired.`), c = !0); continue } if (y.isVideoTrack() && y.metadata.hasOnlyKeyPackets || T.isVideoTrack() && T.metadata.hasOnlyKeyPackets) { u || (console.warn("A key-packets-only video track is pairable with another track, which is not possible in HLS; treating them as unpaired."), u = !0); continue } let w = k.get(T.source._codec); w || k.set(T.source._codec, w = []), w.push(T) } for (let [, T] of k) { let w = T.map(P => P.id).join("-"); s.find(P => P.key === w) || s.push({ name: T[0].type + "-" + (s.length + 1), key: w, tracks: T, needsEmit: !1, firstNoUri: !1 }); let x = a.get(y); x || a.set(y, x = []), x.push(w) } } let l = o ? "video" : "audio", m = [], d = [], f = []; for (let y of this.output._tracks) { let k = a.get(y); if (k) { if (p(k.length > 0), y.type !== l) continue; for (let T of k) { let w = s.find(S => S.key === T); if (p(w), k.length === 1 && w.tracks.length === 1) { let S = a.get(w.tracks[0]); if (p(S !== void 0), S.length === 1) { let x = s.find(P => P.key === S[0]); if (x.tracks.length === 1) { p(x.tracks[0] === y), m.push({ tracks: [y, w.tracks[0]], linkedGroup: null }); continue } } } m.push({ tracks: [y], linkedGroup: w }), w.needsEmit = !0 } } else y.type === "video" ? d.push(y) : y.type === "audio" && f.push(y) } let h = ({ metadata: y }) => { let k = ""; return k += `${y.languageCode ?? ee}-`, k += `${y.name ?? ""}-`, k += `${y.disposition?.default ?? !0}-`, k += `${y.disposition?.primary ?? !1}-`, k += `${y.disposition?.forced ?? !1}-`, k }; if (d.length > 0) if (new Set(d.map(h)).size > 1) { let k = { key: d.map(T => T.id).join("-"), name: "video-" + (s.length + 1), tracks: d, needsEmit: !0, firstNoUri: !0 }; s.push(k), m.push({ tracks: [d[0]], linkedGroup: k }) } else for (let k of d) m.push({ tracks: [k], linkedGroup: null }); if (f.length > 0) if (new Set(f.map(h)).size > 1) { let k = { key: f.map(T => T.id).join("-"), name: "audio-" + (s.length + 1), tracks: f, needsEmit: !0, firstNoUri: !0 }; s.push(k), m.push({ tracks: [f[0]], linkedGroup: k }) } else for (let k of f) m.push({ tracks: [k], linkedGroup: null }); let b = y => { let k = [], T = 0, w = 0, S = !1, x = null, P = -1 / 0; for (let A of y) A.isVideoTrack() ? (T++, S ||= (A.metadata.rotation ?? 0) !== 0) : A.isAudioTrack() && w++, k.push(A.source._codec); for (let A of qt(this.format._options.segmentFormat)) { let C = A.getSupportedCodecs(), I = A.getSupportedTrackCounts(); if (k.some(v => !C.includes(v)) || T < I.video.min || T > I.video.max || w < I.audio.min || w > I.audio.max) continue; let F = 0; S && A.supportsVideoRotationMetadata && F++, F > P && (x = A, P = F) } return p(x), x }, g = async y => { if (y.some(x => this.playlists.some(P => P.tracks.includes(x)))) throw new Error("Internal error: track is already registered in a playlist."); let k = b(y), T = this.playlists.length + 1, w = await this.getPlaylistPath({ n: T, tracks: y, segmentFormat: k }); vp(w); let S = { id: this.playlists.length + 1, path: w, tracks: y, segmentFormat: k, currentSegmentStartTimestamp: null, currentSegmentStartTimestampIsFixed: !1, nextSegmentId: 1, initSegment: null, writtenSegments: [], peakBitrate: null, averageBitrate: null, mediaSequence: 0, done: !1, singleFile: null, mutex: new ve }; return this.playlists.push(S), S }; for (let y of s) if (y.needsEmit) for (let k = 0; k < y.tracks.length; k++) { let T = y.tracks[k], w = this.playlists.find(S => S.tracks[0].id === T.id); w ??= await g([T]), this.playlistDeclarations.push({ playlist: w, groupId: y.name, noUri: y.firstNoUri && k === 0, references: [] }) } for (let y of m) { let k = this.playlists.find(T => T.tracks[0].id === y.tracks[0].id); k ??= await g(y.tracks), this.playlistDeclarations.push({ playlist: k, groupId: null, noUri: !1, references: y.linkedGroup ? this.playlistDeclarations.filter(T => T.groupId === y.linkedGroup.name) : [] }) } e() } async getMimeType() { return Et } allTracksAreKnown(e) { for (let r of e.tracks) if (!r.source._closed && !this.trackDatas.some(i => i.track === r)) return !1; return !0 } async onTrackClose(e) { let r = this.trackDatas.find(s => s.track === e); r && (r.closed = !0); let i = this.playlists.find(s => s.tracks.includes(e)); p(i); let a = await i.mutex.acquire(); try { await this.advancePlaylist(i) } finally { a() } } getVideoTrackData(e, r) { let i = this.trackDatas.find(s => s.track === e); if (i) return i; pr(r), p(r), p(r?.decoderConfig); let a = this.playlists.filter(s => s.tracks.includes(e)); return p(a.length === 1), i = { track: e, packets: [], playlist: a[0], closed: !1, info: { type: "video", decoderConfig: r.decoderConfig } }, this.trackDatas.push(i), i } getAudioTrackData(e, r) { let i = this.trackDatas.find(s => s.track === e); if (i) return i; _e(r), p(r), p(r?.decoderConfig); let a = this.playlists.filter(s => s.tracks.includes(e)); return p(a.length === 1), i = { track: e, packets: [], playlist: a[0], closed: !1, info: { type: "audio", decoderConfig: r.decoderConfig } }, this.trackDatas.push(i), i } async addEncodedVideoPacket(e, r, i) { let a = this.getVideoTrackData(e, i), s = a.playlist, o = await s.mutex.acquire(); try { this.validateTimestamp(e, r.timestamp, r.type === "key"), a.packets.push(r), s.currentSegmentStartTimestamp === null ? s.currentSegmentStartTimestamp = r.timestamp : s.currentSegmentStartTimestampIsFixed || (s.currentSegmentStartTimestamp = Math.min(s.currentSegmentStartTimestamp, r.timestamp)), await this.advancePlaylist(s) } finally { o() } } async addEncodedAudioPacket(e, r, i) { let a = this.getAudioTrackData(e, i), s = a.playlist, o = await s.mutex.acquire(); try { this.validateTimestamp(e, r.timestamp, r.type === "key"), a.packets.push(r), s.currentSegmentStartTimestamp === null ? s.currentSegmentStartTimestamp = r.timestamp : s.currentSegmentStartTimestampIsFixed || (s.currentSegmentStartTimestamp = Math.min(s.currentSegmentStartTimestamp, r.timestamp)), await this.advancePlaylist(s) } finally { o() } } async addSubtitleCue(e, r, i) { throw new Error("Unreachable.") } async advancePlaylist(e) { if (p(!e.done), !this.allTracksAreKnown(e)) return; if (e.currentSegmentStartTimestamp === null) { await this.onPlaylistDone(e); return } let r = this.trackDatas.filter(s => e.tracks.includes(s.track)), i = r.find(s => s.info.type === "video"), a = r.find(s => s.info.type === "audio"); for (; ;) { let s = e.currentSegmentStartTimestamp + this.targetSegmentDuration, o = 0, c = 0; if (i && (!i.closed || i.packets.length > 0)) { let w = i.packets.every(P => P.timestamp < s), S = null, x = null; if (w) { if (!i.closed) return } else for (let P = 0; P < i.packets.length; P++) { let A = i.packets[P]; if (S !== null && A.timestamp > s) break; P > 0 && A.type === "key" && (S = A, x = P) } if (x !== null) { if (o = x, a) { let P = a.packets.findIndex(A => A.timestamp >= S.timestamp); if (P !== -1) c = P; else if (a.closed) c = a.packets.length; else return } } else { if (!i.closed) return; o = i.packets.length; let P = Vu(i.packets, C => C.timestamp), A = i.packets[P]; if (p(A), a) if (A.timestamp < s) { let C = a.packets.findIndex(I => I.timestamp >= s); if (C !== -1) c = C; else if (a.closed) c = a.packets.length; else return } else { let C = a.packets.findIndex(I => I.timestamp > A.timestamp); if (C !== -1) c = C; else if (a.closed) c = a.packets.length; else return } } } else if (a && (!a.closed || a.packets.length > 0)) if (a.packets.every(S => S.timestamp < s)) if (a.closed) c = a.packets.length; else return; else { let S = lr(a.packets, x => x.timestamp <= s); c = Math.max(S, 1) } if (o === 0 && c === 0) { r.every(S => S.closed) && await this.onPlaylistDone(e); return } let u = null, l, m; p(this.output._target instanceof Ne); let d = this.output._target; if (this.singleFilePerPlaylist) if (e.singleFile === null) { let w = { n: e.nextSegmentId, format: e.segmentFormat, isSingleFile: !0, playlist: To(e) }; l = await this.getSegmentPath(w), nm(l), m = ge(ge(d.rootPath, e.path), l); let S = await this.output._getTarget({ path: m, isRoot: !1, mimeType: e.segmentFormat.mimeType }); S._start(), e.singleFile = { target: S, path: l, nextOffset: 0, info: w } } else l = e.singleFile.path, m = ge(ge(d.rootPath, e.path), l); else u = { n: e.nextSegmentId, format: e.segmentFormat, isSingleFile: !1, playlist: To(e) }, l = await this.getSegmentPath(u), nm(l), m = ge(ge(d.rootPath, e.path), l), e.nextSegmentId++; let f = 0, h = null, b = new sr({ format: e.segmentFormat, target: new Ne(m, async w => { let S = { ...w, isRoot: !1 }; if (w.isRoot) if (e.singleFile) { let x = e.singleFile.target.slice(e.singleFile.nextOffset); return x.on("write", ({ end: P }) => f = Math.max(f, P)), x } else { let x = await this.output._getTarget(S); return h = x, x.on("write", ({ end: P }) => f = Math.max(f, P)), x } return this.output._getTarget(S) }), initTarget: async () => { if (e.initSegment) return new Or; if (e.singleFile) { e.initSegment = { path: e.singleFile.path, duration: 0, timestamp: 0, byteSize: 0, byteOffset: 0, info: null }; let w = e.singleFile.target.slice(e.singleFile.nextOffset); return w.on("write", ({ end: S }) => { e.initSegment.byteSize = Math.max(e.initSegment.byteSize, S) }), w.on("finalized", () => { e.singleFile.nextOffset = e.initSegment.byteSize }), w } else { let w = To(e), S = await this.getInitPath(w); _p(S), e.initSegment = { path: S, duration: 0, timestamp: 0, byteSize: 0, byteOffset: null, info: null }; let x = ge(ge(d.rootPath, e.path), S), P = await this.output._getTarget({ path: x, isRoot: !1, mimeType: e.segmentFormat.mimeType }); return P.on("write", ({ end: A }) => { e.initSegment.byteSize = Math.max(e.initSegment.byteSize, A) }), P.on("finalized", () => { this.format._options.onInit?.(P, w) }), P } } }), g = -1 / 0; try { let w = null, S = null; if (i && (w = new Dr(i.track.source._codec), b.addVideoTrack(w, i.track.metadata)), a && (S = new Vr(a.track.source._codec), b.addAudioTrack(S, a.track.metadata)), await b.start(), i) { p(w); let x = { decoderConfig: i.info.decoderConfig }; for (let P = 0; P < o; P++) { let A = i.packets[P]; await w.add(A, x), g = Math.max(g, A.timestamp + A.duration) } } if (a) { p(S); let x = { decoderConfig: a.info.decoderConfig }; for (let P = 0; P < c; P++) { let A = a.packets[P]; await S.add(A, x), g = Math.max(g, A.timestamp + A.duration) } } await b.finalize() } catch (w) { throw await b.cancel(), w } u && (p(h), this.format._options.onSegment?.(h, u)), o > 0 && (p(i), i.packets.splice(0, o)), c > 0 && (p(a), a.packets.splice(0, c)); let y = 1 / 0; i && i.packets.length > 0 && (y = i.packets[0].timestamp), a && a.packets.length > 0 && (y = Math.min(y, a.packets[0].timestamp)); let k = y < 1 / 0 ? y : g; p(Number.isFinite(k)); let T = k - e.currentSegmentStartTimestamp; if (p(T >= 0), e.writtenSegments.push({ path: l, duration: T, timestamp: e.currentSegmentStartTimestamp, byteSize: f, byteOffset: e.singleFile ? e.singleFile.nextOffset : null, info: u ?? null }), this.globalTargetDuration = Math.max(this.globalTargetDuration, T), e.currentSegmentStartTimestamp = k, e.currentSegmentStartTimestampIsFixed = !0, e.singleFile && (e.singleFile.nextOffset += f), this.isLive) { for (; e.writtenSegments.length > this.maxLiveSegmentCount;) { let w = e.writtenSegments.shift(); e.mediaSequence++, this.singleFilePerPlaylist || (p(w.info), this.format._options.onSegmentPopped?.(w.path, w.info)) } await this.writePlaylist(e), await this.tryWriteMasterPlaylist() } } } async onPlaylistDone(e) { p(!e.done), e.done = !0, e.singleFile && (await e.singleFile.target._flush(), await e.singleFile.target._finalize(), this.format._options.onSegment?.(e.singleFile.target, e.singleFile.info)), await this.writePlaylist(e), this.isLive && e.writtenSegments.length === 0 && await this.tryWriteMasterPlaylist() } updatePlaylistBitrates(e) { let r = e.writtenSegments, i = 0, a = 0, s = 0; for (let o = 0; o < r.length; o++) { s += r[o].duration; let c = 0, u = 0; for (let l = o; l < r.length && (c += r[l].byteSize, u += r[l].duration, u >= .5 * this.globalTargetDuration && u <= 1.5 * this.globalTargetDuration && (i = Math.max(i, 8 * c / u)), !(u > 1.5 * this.globalTargetDuration)); l++); } if (i === 0) for (let o of r) { let c = o.duration || 1; i = Math.max(i, 8 * o.byteSize / c) } for (let o of r) a += 8 * o.byteSize; e.peakBitrate = i, e.averageBitrate = a / (s || 1) } async writePlaylist(e) {
p(this.output._target instanceof Ne); let r = this.output._target; this.updatePlaylistBitrates(e); let i = !1; for (let d of e.writtenSegments) i ||= d.byteOffset !== null; let a = e.tracks[0].isVideoTrack() && e.tracks[0].metadata.hasOnlyKeyPackets, s = 3; (a || i) && (s = 4), e.initSegment && (s = 5), e.initSegment && !a && (s = 6); let o = this.isLive ? this.targetSegmentDuration : this.globalTargetDuration, c = ge(r.rootPath, e.path), u = `#EXTM3U
#EXT-X-VERSION:${s}
`+ (this.isLive ? "" : `#EXT-X-PLAYLIST-TYPE:VOD
`) + `#EXT-X-TARGETDURATION:${Math.ceil(o)}
`+ (Number.isFinite(this.maxLiveSegmentCount) ? `#EXT-X-MEDIA-SEQUENCE:${e.mediaSequence}
`: "") + `#EXT-X-INDEPENDENT-SEGMENTS
`+ (a ? `#EXT-X-I-FRAMES-ONLY
`: "") + (e.initSegment ? `#EXT-X-MAP:URI="${e.initSegment.path}"` + (e.initSegment.byteOffset !== null ? `,BYTERANGE="${e.initSegment.byteSize}@${e.initSegment.byteOffset}"` : "") + `
`: "") + `
`+ e.writtenSegments.map(d => `#EXTINF:${+d.duration.toFixed(12)},
`+ (this.isRelativeToUnixEpoch ? `#EXT-X-PROGRAM-DATE-TIME:${new Date(1e3 * d.timestamp).toISOString()}
`: "") + (d.byteOffset !== null ? `#EXT-X-BYTERANGE:${d.byteSize}@${d.byteOffset}
`: "") + `${d.path}
`).join("") + (e.done ? (e.writtenSegments.length > 0 ? `
`: "") + `#EXT-X-ENDLIST
`: ""); this.format._options.onPlaylist?.(u, To(e)); let l = await this.output._getTarget({ path: c, isRoot: !1, mimeType: Et }), m = new Bt(l, !0); m.start(), m.write($.encode(u)), await m.flush(), await m.finalize()
} async writeMasterPlaylist() {
p(this.output._target instanceof Ne); let e = this.output._target, r = `#EXTM3U
`, i = !1, a = null, s = 0, o = !1; for (let u of this.playlistDeclarations) if (u.groupId === null) {
let l = u.playlist.tracks[0].isVideoTrack() && u.playlist.tracks[0].metadata.hasOnlyKeyPackets, m = []; for (let y of u.playlist.tracks) { let T = this.trackDatas.find(w => w.track === y)?.info.decoderConfig.codec ?? y.source._codec; m.push(T) } let d = 0, f = 0; if (u.references.length > 0) { let k = u.references[0].playlist.tracks[0], w = this.trackDatas.find(S => S.track === k)?.info.decoderConfig.codec ?? k.source._codec; m.push(w); for (let S of u.references) p(S.playlist.peakBitrate !== null), d = Math.max(d, S.playlist.peakBitrate), f = Math.max(f, S.playlist.averageBitrate ?? 0) } p(u.playlist.peakBitrate !== null); let h = u.playlist.peakBitrate + d, b = (u.playlist.averageBitrate ?? 0) + f; i || (r += `
`, i = !0), l ? r += "#EXT-X-I-FRAME-STREAM-INF:" : r += "#EXT-X-STREAM-INF:", r += `BANDWIDTH=${Math.ceil(h)}`, b > 0 && (r += `,AVERAGE-BANDWIDTH=${Math.ceil(b)}`), r += `,CODECS="${m.join(",")}"`; let g = u.playlist.tracks.find(y => y.isVideoTrack()); if (g?.isVideoTrack()) { let k = this.trackDatas.find(T => T.track === g)?.info.decoderConfig; if (k) { let T = k.displayAspectWidth ?? k.codedWidth, w = k.displayAspectHeight ?? k.codedHeight; T !== void 0 && w !== void 0 && (g.metadata.rotation !== void 0 && g.metadata.rotation % 180 === 90 && ([T, w] = [w, T]), r += `,RESOLUTION=${T}x${w}`) } !l && g.metadata.frameRate !== void 0 && (r += `,FRAME-RATE=${+g.metadata.frameRate.toFixed(3)}`) } if (!l) { let y = new Map; for (let k of u.references) { p(k.groupId !== null); let T = k.playlist.tracks[0].type; y.set(T, k.groupId) } for (let [k, T] of y) r += `,${k.toUpperCase()}="${T}"` } l ? (r += `,URI="${u.playlist.path}"`, r += `
`) : (r += `
`, r += `${u.playlist.path}
`)
} else {
p(u.playlist.tracks.length === 1); let l = u.playlist.tracks[0], m = l.type, d = l.metadata.name ?? null, f = l.metadata.languageCode, h = l.metadata.disposition; (a === null || u.groupId !== a) && (s = 0, r += `
`, o = !1), a = u.groupId, s++, r += `#EXT-X-MEDIA:TYPE=${m.toUpperCase()},GROUP-ID="${u.groupId}"`, d !== null && /[\n\r"]/.test(d) && (console.warn("Dropping track name since it includes a line feed, carriage return, or double quote character, which are not allowed in HLS playlist attributes."), d = null), d ??= `${f ?? u.groupId}-${s}`, r += `,NAME="${d}"`, f !== void 0 && (r += `,LANGUAGE="${f}"`); let b = h?.primary ?? !1, g = h?.default ?? !0, y = h?.forced ?? !1; if (b && !o && (r += ",DEFAULT=YES", o = !0), (b || g) && (r += ",AUTOSELECT=YES"), y && (r += ",FORCED=YES"), m === "audio") { let T = this.trackDatas.find(w => w.track === l)?.info.decoderConfig; T && (r += `,CHANNELS="${T.numberOfChannels}"`) } u.noUri || (r += `,URI="${u.playlist.path}"`), r += `
`} this.format._options.onMaster?.(r); let c = await this.mutex.acquire(); try { let u; if (this.numWrittenMasterPlaylists === 0) u = await this.output._getRootWriter(!0); else { let l = await this.output._getTarget({ path: e.rootPath, isRoot: !0, mimeType: Et }); u = new Bt(l, !0), u.start() } u.write($.encode(r)), await u.flush(), await u.finalize(), this.numWrittenMasterPlaylists++ } finally { c() }
} async tryWriteMasterPlaylist() { p(this.isLive); for (let e of this.playlists) if (e.writtenSegments.length === 0 && !e.done) return; await this.writeMasterPlaylist() } async finalize() { (await Promise.all(this.playlists.map(r => r.mutex.acquire()))).forEach(r => r()); for (let r of this.trackDatas) r.closed = !0; await Promise.all(this.playlists.map(r => r.done ? Promise.resolve() : this.advancePlaylist(r))), this.isLive || await this.writeMasterPlaylist() }
}, vp = n => { if (typeof n != "string") throw new TypeError("options.getPlaylistPath must return or resolve to a string"); if (/[\n\r"]/.test(n)) throw new TypeError("Playlist paths cannot contain line feed, carriage return, or double quote characters.") }, nm = n => { if (typeof n != "string") throw new TypeError("options.getSegmentPath must return or resolve to a string"); if (/[\n\r"]/.test(n)) throw new TypeError("Segment paths cannot contain line feed or carriage return characters.") }, _p = n => { if (typeof n != "string") throw new TypeError("options.getInitPath must return or resolve to a string"); if (/[\n\r"]/.test(n)) throw new TypeError("Init paths cannot contain line feed, carriage return, or double quote characters.") }, To = n => ({ n: n.id, tracks: n.tracks, segmentFormat: n.segmentFormat }); var Ee = class { getSupportedVideoCodecs() { return this.getSupportedCodecs().filter(t => re.includes(t)) } getSupportedAudioCodecs() { return this.getSupportedCodecs().filter(t => se.includes(t)) } getSupportedSubtitleCodecs() { return this.getSupportedCodecs().filter(t => Fe.includes(t)) } _codecUnsupportedHint(t) { return "" } }, pi = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.fastStart !== void 0 && ![!1, "in-memory", "reserve", "fragmented"].includes(t.fastStart)) throw new TypeError("options.fastStart, when provided, must be false, 'in-memory', 'reserve', or 'fragmented'."); if (t.minimumFragmentDuration !== void 0 && (!Number.isFinite(t.minimumFragmentDuration) || t.minimumFragmentDuration < 0)) throw new TypeError("options.minimumFragmentDuration, when provided, must be a non-negative number."); if (t.onFtyp !== void 0 && typeof t.onFtyp != "function") throw new TypeError("options.onFtyp, when provided, must be a function."); if (t.onMoov !== void 0 && typeof t.onMoov != "function") throw new TypeError("options.onMoov, when provided, must be a function."); if (t.onMdat !== void 0 && typeof t.onMdat != "function") throw new TypeError("options.onMdat, when provided, must be a function."); if (t.onMoof !== void 0 && typeof t.onMoof != "function") throw new TypeError("options.onMoof, when provided, must be a function."); if (t.metadataFormat !== void 0 && !["mdir", "mdta", "udta", "auto"].includes(t.metadataFormat)) throw new TypeError("options.metadataFormat, when provided, must be either 'auto', 'mdir', 'mdta', or 'udta'."); super(), this._options = t } getSupportedTrackCounts() { return { video: { min: 0, max: 4294967295 }, audio: { min: 0, max: 4294967295 }, subtitle: { min: 0, max: 4294967295 }, total: { min: 1, max: 4294967295 } } } get supportsVideoRotationMetadata() { return !0 } get supportsTimestampedMediaData() { return !0 } _createMuxer(t) { return new so(t, this) } }, hi = class extends pi { constructor(t) { super(t) } get _name() { return "MP4" } get fileExtension() { return ".mp4" } get mimeType() { return "video/mp4" } getSupportedCodecs() { return [...re, ...st, "pcm-s16", "pcm-s16be", "pcm-s24", "pcm-s24be", "pcm-s32", "pcm-s32be", "pcm-f32", "pcm-f32be", "pcm-f64", "pcm-f64be", ...Fe] } _codecUnsupportedHint(t) { return new oi().getSupportedCodecs().includes(t) ? " Switching to MOV will grant support for this codec." : "" } }, si = class extends pi { constructor(t) { super(t) } get _name() { return "CMAF" } get fileExtension() { return ".m4s" } get mimeType() { return "video/mp4" } getSupportedCodecs() { return [...re, ...st, "pcm-s16", "pcm-s16be", "pcm-s24", "pcm-s24be", "pcm-s32", "pcm-s32be", "pcm-f32", "pcm-f32be", "pcm-f64", "pcm-f64be", ...Fe] } }, oi = class extends pi { constructor(t) { super(t) } get _name() { return "MOV" } get fileExtension() { return ".mov" } get mimeType() { return "video/quicktime" } getSupportedCodecs() { return [...re, ...se] } _codecUnsupportedHint(t) { return new hi().getSupportedCodecs().includes(t) ? " Switching to MP4 will grant support for this codec." : "" } }, an = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.appendOnly !== void 0 && typeof t.appendOnly != "boolean") throw new TypeError("options.appendOnly, when provided, must be a boolean."); if (t.minimumClusterDuration !== void 0 && (!Number.isFinite(t.minimumClusterDuration) || t.minimumClusterDuration < 0)) throw new TypeError("options.minimumClusterDuration, when provided, must be a non-negative number."); if (t.onEbmlHeader !== void 0 && typeof t.onEbmlHeader != "function") throw new TypeError("options.onEbmlHeader, when provided, must be a function."); if (t.onSegmentHeader !== void 0 && typeof t.onSegmentHeader != "function") throw new TypeError("options.onHeader, when provided, must be a function."); if (t.onCluster !== void 0 && typeof t.onCluster != "function") throw new TypeError("options.onCluster, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new oo(t, this) } get _name() { return "Matroska" } getSupportedTrackCounts() { return { video: { min: 0, max: 127 }, audio: { min: 0, max: 127 }, subtitle: { min: 0, max: 127 }, total: { min: 1, max: 127 } } } get fileExtension() { return ".mkv" } get mimeType() { return "video/x-matroska" } getSupportedCodecs() { return [...re, ...st, ...te.filter(t => !["pcm-s8", "pcm-f32be", "pcm-f64be", "ulaw", "alaw"].includes(t)), ...Fe] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !0 } }, ci = class extends an { constructor(t) { super(t) } getSupportedCodecs() { return [...re.filter(t => ["vp8", "vp9", "av1"].includes(t)), ...se.filter(t => ["opus", "vorbis"].includes(t)), ...Fe] } get _name() { return "WebM" } get fileExtension() { return ".webm" } get mimeType() { return "video/webm" } _codecUnsupportedHint(t) { return new an().getSupportedCodecs().includes(t) ? " Switching to MKV will grant support for this codec." : "" } }, So = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.xingHeader !== void 0 && typeof t.xingHeader != "boolean") throw new TypeError("options.xingHeader, when provided, must be a boolean."); if (t.onXingFrame !== void 0 && typeof t.onXingFrame != "function") throw new TypeError("options.onXingFrame, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new uo(t, this) } get _name() { return "MP3" } getSupportedTrackCounts() { return { video: { min: 0, max: 0 }, audio: { min: 1, max: 1 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 1 } } } get fileExtension() { return ".mp3" } get mimeType() { return "audio/mpeg" } getSupportedCodecs() { return ["mp3"] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !1 } }, Ao = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.large !== void 0 && typeof t.large != "boolean") throw new TypeError("options.large, when provided, must be a boolean."); if (t.metadataFormat !== void 0 && !["info", "id3"].includes(t.metadataFormat)) throw new TypeError("options.metadataFormat, when provided, must be either 'info' or 'id3'."); if (t.onHeader !== void 0 && typeof t.onHeader != "function") throw new TypeError("options.onHeader, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new po(t, this) } get _name() { return "WAVE" } getSupportedTrackCounts() { return { video: { min: 0, max: 0 }, audio: { min: 1, max: 1 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 1 } } } get fileExtension() { return ".wav" } get mimeType() { return "audio/wav" } getSupportedCodecs() { return [...te.filter(t => ["pcm-s16", "pcm-s24", "pcm-s32", "pcm-f32", "pcm-u8", "ulaw", "alaw"].includes(t))] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !1 } }, xo = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.maximumPageDuration !== void 0 && (!Number.isFinite(t.maximumPageDuration) || t.maximumPageDuration <= 0)) throw new TypeError("options.maximumPageDuration, when provided, must be a positive number."); if (t.onPage !== void 0 && typeof t.onPage != "function") throw new TypeError("options.onPage, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new lo(t, this) } get _name() { return "Ogg" } getSupportedTrackCounts() { return { video: { min: 0, max: 0 }, audio: { min: 0, max: 4294967296 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 4294967296 } } } get fileExtension() { return ".ogg" } get mimeType() { return "application/ogg" } getSupportedCodecs() { return [...se.filter(t => ["vorbis", "opus"].includes(t))] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !1 } }, Po = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.onFrame !== void 0 && typeof t.onFrame != "function") throw new TypeError("options.onFrame, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new Zs(t, this) } get _name() { return "ADTS" } getSupportedTrackCounts() { return { video: { min: 0, max: 0 }, audio: { min: 1, max: 1 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 1 } } } get fileExtension() { return ".aac" } get mimeType() { return "audio/aac" } getSupportedCodecs() { return ["aac"] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !1 } }, Co = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.appendOnly !== void 0 && typeof t.appendOnly != "boolean") throw new TypeError("options.appendOnly, when provided, must be a boolean."); super(), this._options = t } _createMuxer(t) { return new Js(t, this) } get _name() { return "FLAC" } getSupportedTrackCounts() { return { video: { min: 0, max: 0 }, audio: { min: 1, max: 1 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 1 } } } get fileExtension() { return ".flac" } get mimeType() { return "audio/flac" } getSupportedCodecs() { return ["flac"] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !1 } }, Io = class extends Ee { constructor(t = {}) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (t.onPacket !== void 0 && typeof t.onPacket != "function") throw new TypeError("options.onPacket, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new mo(t, this) } get _name() { return "MPEG-TS" } getSupportedTrackCounts() { return { video: { min: 0, max: 16 }, audio: { min: 0, max: 32 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 48 } } } get fileExtension() { return ".ts" } get mimeType() { return "video/MP2T" } getSupportedCodecs() { return [...re.filter(t => ["avc", "hevc"].includes(t)), ...se.filter(t => ["aac", "mp3", "ac3", "eac3"].includes(t))] } get supportsVideoRotationMetadata() { return !1 } get supportsTimestampedMediaData() { return !0 } }, Eo = class extends Ee { constructor(t) { if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (!(t.segmentFormat instanceof Ee) && (!Array.isArray(t.segmentFormat) || t.segmentFormat.length === 0 || !t.segmentFormat.every(e => e instanceof Ee))) throw new TypeError("options.segmentFormat must be an OutputFormat or a non-empty array of OutputFormat instances."); if (t.targetDuration !== void 0 && (typeof t.targetDuration != "number" || t.targetDuration <= 0)) throw new TypeError("options.targetDuration, when provided, must be a positive number."); if (t.singleFilePerPlaylist !== void 0 && typeof t.singleFilePerPlaylist != "boolean") throw new TypeError("options.singleFilePerPlaylist, when provided, must be a boolean."); if (t.live !== void 0 && typeof t.live != "boolean") throw new TypeError("options.live, when provided, must be a boolean."); if (t.maxLiveSegmentCount !== void 0 && (typeof t.maxLiveSegmentCount != "number" || t.maxLiveSegmentCount < 1 || Number.isFinite(t.maxLiveSegmentCount) && !Number.isInteger(t.maxLiveSegmentCount))) throw new TypeError("options.maxLiveSegmentCount, when provided, must be a positive integer or Infinity."); if (t.getPlaylistPath !== void 0 && typeof t.getPlaylistPath != "function") throw new TypeError("options.getPlaylistPath, when provided, must be a function."); if (t.getSegmentPath !== void 0 && typeof t.getSegmentPath != "function") throw new TypeError("options.getSegmentPath, when provided, must be a function."); if (t.getInitPath !== void 0 && typeof t.getInitPath != "function") throw new TypeError("options.getInitPath, when provided, must be a function."); if (t.onMaster !== void 0 && typeof t.onMaster != "function") throw new TypeError("options.onMaster, when provided, must be a function."); if (t.onPlaylist !== void 0 && typeof t.onPlaylist != "function") throw new TypeError("options.onPlaylist, when provided, must be a function."); if (t.onSegment !== void 0 && typeof t.onSegment != "function") throw new TypeError("options.onSegment, when provided, must be a function."); if (t.onInit !== void 0 && typeof t.onInit != "function") throw new TypeError("options.onInit, when provided, must be a function."); if (t.onSegmentPopped !== void 0 && typeof t.onSegmentPopped != "function") throw new TypeError("options.onSegmentPopped, when provided, must be a function."); super(), this._options = t } _createMuxer(t) { return new wo(t, this) } get _name() { return "HTTP Live Streaming (HLS)" } get fileExtension() { return ".m3u8" } get mimeType() { return Et } getSupportedCodecs() { return [...new Set(qt(this._options.segmentFormat).flatMap(e => e.getSupportedCodecs()))] } getSupportedTrackCounts() { let t = !1, e = !1, r = !1; for (let i of qt(this._options.segmentFormat)) { let a = i.getSupportedTrackCounts(); t ||= a.video.max > 0, e ||= a.audio.max > 0, r ||= a.subtitle.max > 0 } return { video: { min: 0, max: t ? 1 / 0 : 0 }, audio: { min: 0, max: e ? 1 / 0 : 0 }, subtitle: { min: 0, max: 0 }, total: { min: 1, max: 1 / 0 } } } get supportsVideoRotationMetadata() { return qt(this._options.segmentFormat).some(t => t.supportsVideoRotationMetadata) } get supportsTimestampedMediaData() { return !0 } _codecUnsupportedHint(t) { return " Using different segment formats may grant support for this codec." } }; var lu = ["video", "audio", "subtitle"], gi = class n { constructor(t, e, r, i, a) { this.id = t, this.output = e, this.type = r, this.source = i, this.metadata = a } isVideoTrack() { return this.type === "video" } isAudioTrack() { return this.type === "audio" } isSubtitleTrack() { return this.type === "subtitle" } canBePairedWith(t) { if (!(t instanceof n)) throw new TypeError("other must be an OutputTrack."); if (this === t) return !1; let e = qt(this.metadata.group), r = qt(t.metadata.group); for (let i of e) if (this.type !== t.type && r.some(o => i === o) || r.some(o => i._pairedGroups.has(o))) return !0; return !1 } }, sa = class extends gi { constructor(t, e, r, i) { super(t, e, "video", r, i) } }, oa = class extends gi { constructor(t, e, r, i) { super(t, e, "audio", r, i) } }, ca = class extends gi { constructor(t, e, r, i) { super(t, e, "subtitle", r, i) } }, Le = class n { constructor() { this._pairedGroups = new Set } pairWith(t) { if (!(t instanceof n)) throw new TypeError("other must be an OutputTrackGroup."); if (this === t) throw new TypeError("Cannot pair a group with itself."); this._pairedGroups.add(t), t._pairedGroups.add(this) } }, uu = n => { if (!n || typeof n != "object") throw new TypeError("metadata must be an object."); if (n.languageCode !== void 0 && !Wt(n.languageCode)) throw new TypeError("metadata.languageCode, when provided, must be a three-letter, ISO 639-2/T language code."); if (n.name !== void 0 && typeof n.name != "string") throw new TypeError("metadata.name, when provided, must be a string."); if (n.disposition !== void 0 && Wu(n.disposition), n.maximumPacketCount !== void 0 && (!Number.isInteger(n.maximumPacketCount) || n.maximumPacketCount < 0)) throw new TypeError("metadata.maximumPacketCount, when provided, must be a non-negative integer."); if (n.group !== void 0 && !(n.group instanceof Le) && (!Array.isArray(n.group) || n.group.some(t => !(t instanceof Le)))) throw new TypeError("metadata.group, when provided, must be an OutputTrackGroup instance or an array of OutputTrackGroup instances.") }, sr = class extends je { constructor(e) { super(); this.state = "pending"; this.defaultTrackGroup = new Le; this._onFinalize = null; this._unfinalizedTargets = new Set; this._rootWriterPromise = null; this._tracks = []; this._startPromise = null; this._cancelPromise = null; this._finalizePromise = null; this._mutex = new ve; this._metadataTags = {}; this._rootTarget = null; this._rootTargetPromise = null; this._firstMediaStreamTimestamp = null; if (!e || typeof e != "object") throw new TypeError("options must be an object."); if (!(e.format instanceof Ee)) throw new TypeError("options.format must be an OutputFormat."); if (!(e.target instanceof Pe || e.target instanceof Ne)) throw new TypeError("options.target must be a Target or a PathedTarget."); if (e.target instanceof Pe && this._rememberTarget(e.target), e.initTarget !== void 0 && !(e.initTarget instanceof Pe) && typeof e.initTarget != "function") throw new Error("options.initTarget, when provided, must be a Target or a function that returns or resolves to a Target."); if (e.onFinalize !== void 0 && typeof e.onFinalize != "function") throw new TypeError("options.onFinalize, when provided, must be a function."); this.format = e.format, this._target = e.target, this._onFinalize = e.onFinalize ?? null, this._initTarget = e.initTarget ?? null, this._initTarget instanceof Pe && this._rememberTarget(this._initTarget), this._muxer = e.format._createMuxer(this) } get target() { let e = "Output.target cannot be used when using PathedTarget with an async callback. Use the 'target' event instead."; if (this._rootTargetPromise) throw new TypeError(e); let r = this._getRootTarget(); if (r instanceof Promise) throw new TypeError(e); return r } _getTargetValidated(e) { p(this._target instanceof Ne); let r = this._target.getTarget(e), i = a => { if (!(a instanceof Pe)) throw new TypeError("getTarget must return a Target."); return a }; return r instanceof Promise ? r.then(i) : i(r) } async _getTarget(e) { p(this._target instanceof Ne); let r = await this._getTargetValidated(e); return this._emit("target", { target: r, request: e, isRoot: e.isRoot }), this.state === "canceled" ? await r._close() : this._rememberTarget(r), r } _rememberTarget(e) { this._unfinalizedTargets.add(e), e.on("finalized", () => this._unfinalizedTargets.delete(e), { once: !0 }) } async _getInitTarget() { if (p(this._initTarget !== null), this._initTarget instanceof Pe) return this._initTarget; let e = await this._initTarget(); return this.state === "canceled" ? await e._close() : this._rememberTarget(e), e } _hasInitTarget() { return this._initTarget !== null } _getRootTarget() { if (this._rootTarget) return this._rootTarget; if (this._rootTargetPromise) return this._rootTargetPromise; if (this._target instanceof Pe) return this._emit("target", { target: this._target, request: null, isRoot: !0 }), this._rootTarget = this._target, this._target; let e = { path: this._target.rootPath, isRoot: !0, mimeType: this.format.mimeType }, r = this._getTargetValidated(e), i = a => (this.state === "canceled" ? a._close() : this._rememberTarget(a), this._emit("target", { target: a, request: e, isRoot: !0 }), this._rootTarget = a, a); return r instanceof Promise ? this._rootTargetPromise = r.then(i) : i(r) } _getRootWriter(e) { return this._rootWriterPromise ??= (async () => { let r = await this._getRootTarget(), i = new Bt(r, typeof e == "boolean" ? e : e(r)); return i.start(), i })() } addVideoTrack(e, r = {}) { if (!(e instanceof Ot)) throw new TypeError("source must be a VideoSource."); if (uu(r), r.rotation !== void 0 && ![0, 90, 180, 270].includes(r.rotation)) throw new TypeError(`Invalid video rotation: ${r.rotation}. Has to be 0, 90, 180 or 270.`); if (!this.format.supportsVideoRotationMetadata && r.rotation) throw new Error(`${this.format._name} does not support video rotation metadata.`); if (r.frameRate !== void 0 && (!Number.isFinite(r.frameRate) || r.frameRate <= 0)) throw new TypeError(`Invalid video frame rate: ${r.frameRate}. Must be a positive number.`); let i = { ...r }; return i.group ??= this.defaultTrackGroup, this._addTrack(new sa(this._tracks.length + 1, this, e, i)) } addAudioTrack(e, r = {}) { if (!(e instanceof Dt)) throw new TypeError("source must be an AudioSource."); uu(r); let i = { ...r }; return i.group ??= this.defaultTrackGroup, this._addTrack(new oa(this._tracks.length + 1, this, e, i)) } addSubtitleTrack(e, r = {}) { if (!(e instanceof fi)) throw new TypeError("source must be a SubtitleSource."); uu(r); let i = { ...r }; return i.group ??= this.defaultTrackGroup, this._addTrack(new ca(this._tracks.length + 1, this, e, i)) } setMetadataTags(e) { if (ln(e), this.state !== "pending") throw new Error("Cannot set metadata tags after output has been started or canceled."); this._metadataTags = e } _addTrack(e) { if (this.state !== "pending") throw new Error("Cannot add track after output has been started or canceled."); if (e.source._connectedTrack) throw new Error("Source is already used for a track."); let r = this.format.getSupportedTrackCounts(), i = this._tracks.reduce((o, c) => o + (c.type === e.type ? 1 : 0), 0), a = r[e.type].max; if (i === a) throw new Error(a === 0 ? `${this.format._name} does not support ${e.type} tracks.` : `${this.format._name} does not support more than ${a} ${e.type} track${a === 1 ? "" : "s"}.`); let s = r.total.max; if (this._tracks.length === s) throw new Error(`${this.format._name} does not support more than ${s} tracks${s === 1 ? "" : "s"} in total.`); if (e.isVideoTrack()) { let o = this.format.getSupportedVideoCodecs(); if (o.length === 0) throw new Error(`${this.format._name} does not support video tracks.` + this.format._codecUnsupportedHint(e.source._codec)); if (!o.includes(e.source._codec)) throw new Error(`Codec '${e.source._codec}' cannot be contained within ${this.format._name}. Supported video codecs are: ${o.map(c => `'${c}'`).join(", ")}.` + this.format._codecUnsupportedHint(e.source._codec)) } else if (e.isAudioTrack()) { let o = this.format.getSupportedAudioCodecs(); if (o.length === 0) throw new Error(`${this.format._name} does not support audio tracks.` + this.format._codecUnsupportedHint(e.source._codec)); if (!o.includes(e.source._codec)) throw new Error(`Codec '${e.source._codec}' cannot be contained within ${this.format._name}. Supported audio codecs are: ${o.map(c => `'${c}'`).join(", ")}.` + this.format._codecUnsupportedHint(e.source._codec)) } else if (e.isSubtitleTrack()) { let o = this.format.getSupportedSubtitleCodecs(); if (o.length === 0) throw new Error(`${this.format._name} does not support subtitle tracks.` + this.format._codecUnsupportedHint(e.source._codec)); if (!o.includes(e.source._codec)) throw new Error(`Codec '${e.source._codec}' cannot be contained within ${this.format._name}. Supported subtitle codecs are: ${o.map(c => `'${c}'`).join(", ")}.` + this.format._codecUnsupportedHint(e.source._codec)) } return this._tracks.push(e), e.source._connectedTrack = e, e } async start() { let e = this.format.getSupportedTrackCounts(); for (let i of lu) { let a = this._tracks.reduce((o, c) => o + (c.type === i ? 1 : 0), 0), s = e[i].min; if (a < s) throw new Error(s === e[i].max ? `${this.format._name} requires exactly ${s} ${i} track${s === 1 ? "" : "s"}.` : `${this.format._name} requires at least ${s} ${i} track${s === 1 ? "" : "s"}.`) } let r = e.total.min; if (this._tracks.length < r) throw new Error(r === e.total.max ? `${this.format._name} requires exactly ${r} track${r === 1 ? "" : "s"}.` : `${this.format._name} requires at least ${r} track${r === 1 ? "" : "s"}.`); if (this.state === "canceled") throw new Error("Output has been canceled."); return this._startPromise ? (console.warn("Output has already been started."), this._startPromise) : this._startPromise = (async () => { this.state = "started"; let i = await this._mutex.acquire(); try { await this._muxer.start(); let a = this._tracks.map(s => s.source._start()); await Promise.all(a) } finally { i() } })() } getMimeType() { return this._muxer.getMimeType() } async cancel() { if (this._cancelPromise) return console.warn("Output has already been canceled."), this._cancelPromise; if (this.state === "finalizing" || this.state === "finalized") { this.state === "finalized" && console.warn("Output has already been finalized."); return } return this._cancelPromise = (async () => { this.state = "canceled"; let e = await this._mutex.acquire(); try { let r = this._tracks.map(i => i.source._flushOrWaitForOngoingClose(!0)); await Promise.all(r), await Promise.all([...this._unfinalizedTargets].map(i => i._close())), this._unfinalizedTargets.clear() } finally { e() } })() } async finalize() { if (this.state === "pending") throw new Error("Cannot finalize before starting."); if (this.state === "canceled") throw new Error("Cannot finalize after canceling."); return this._finalizePromise ? (console.warn("Output has already been finalized."), this._finalizePromise) : this._finalizePromise = (async () => { this.state = "finalizing"; let e = await this._mutex.acquire(); try { let r = this._tracks.map(i => i.source._flushOrWaitForOngoingClose(!1)); if (await Promise.all(r), await this._muxer.finalize(), this._rootWriterPromise) { let i = await this._rootWriterPromise; i.finalized || (await i.flush(), await i.finalize()) } this._onFinalize && await this._onFinalize(), this.state = "finalized" } finally { e() } })() } }; var vo = n => { if (!n || typeof n != "object") throw new TypeError("options.video, when provided, must be an object."); if (n?.discard !== void 0 && typeof n.discard != "boolean") throw new TypeError("options.video.discard, when provided, must be a boolean."); if (n?.forceTranscode !== void 0 && typeof n.forceTranscode != "boolean") throw new TypeError("options.video.forceTranscode, when provided, must be a boolean."); if (n?.codec !== void 0 && !re.includes(n.codec)) throw new TypeError(`options.video.codec, when provided, must be one of: ${re.join(", ")}.`); if (n?.bitrate !== void 0 && !(n.bitrate instanceof xe) && (!Number.isInteger(n.bitrate) || n.bitrate <= 0)) throw new TypeError("options.video.bitrate, when provided, must be a positive integer or a quality."); if (n?.width !== void 0 && (!Number.isInteger(n.width) || n.width <= 0)) throw new TypeError("options.video.width, when provided, must be a positive integer."); if (n?.height !== void 0 && (!Number.isInteger(n.height) || n.height <= 0)) throw new TypeError("options.video.height, when provided, must be a positive integer."); if (n?.fit !== void 0 && !["fill", "contain", "cover"].includes(n.fit)) throw new TypeError("options.video.fit, when provided, must be one of 'fill', 'contain', or 'cover'."); if (n?.width !== void 0 && n.height !== void 0 && n.fit === void 0) throw new TypeError("When both options.video.width and options.video.height are provided, options.video.fit must also be provided."); if (n?.rotate !== void 0 && ![0, 90, 180, 270].includes(n.rotate)) throw new TypeError("options.video.rotate, when provided, must be 0, 90, 180 or 270."); if (n?.allowRotationMetadata !== void 0 && typeof n.allowRotationMetadata != "boolean") throw new TypeError("options.video.allowRotationMetadata, when provided, must be a boolean."); if (n?.crop !== void 0 && ii(n.crop, "options.video."), n?.frameRate !== void 0 && (!Number.isFinite(n.frameRate) || n.frameRate <= 0)) throw new TypeError("options.video.frameRate, when provided, must be a finite positive number."); if (n?.alpha !== void 0 && !["discard", "keep"].includes(n.alpha)) throw new TypeError("options.video.alpha, when provided, must be either 'discard' or 'keep'."); if (n?.keyFrameInterval !== void 0 && (!Number.isFinite(n.keyFrameInterval) || n.keyFrameInterval < 0)) throw new TypeError("options.video.keyFrameInterval, when provided, must be a non-negative number."); if (n?.process !== void 0 && typeof n.process != "function") throw new TypeError("options.video.process, when provided, must be a function."); if (n?.processedWidth !== void 0 && (!Number.isInteger(n.processedWidth) || n.processedWidth <= 0)) throw new TypeError("options.video.processedWidth, when provided, must be a positive integer."); if (n?.processedHeight !== void 0 && (!Number.isInteger(n.processedHeight) || n.processedHeight <= 0)) throw new TypeError("options.video.processedHeight, when provided, must be a positive integer."); if (n?.hardwareAcceleration !== void 0 && !["no-preference", "prefer-hardware", "prefer-software"].includes(n.hardwareAcceleration)) throw new TypeError("options.video.hardwareAcceleration, when provided, must be 'no-preference', 'prefer-hardware' or 'prefer-software'."); if (n?.group !== void 0 && !(n.group instanceof Le || Array.isArray(n.group) && n.group.every(t => t instanceof Le))) throw new TypeError("options.video.group, when provided, must be an OutputTrackGroup or an array of OutputTrackGroups.") }, _o = n => { if (!n || typeof n != "object") throw new TypeError("options.audio, when provided, must be an object."); if (n?.discard !== void 0 && typeof n.discard != "boolean") throw new TypeError("options.audio.discard, when provided, must be a boolean."); if (n?.forceTranscode !== void 0 && typeof n.forceTranscode != "boolean") throw new TypeError("options.audio.forceTranscode, when provided, must be a boolean."); if (n?.codec !== void 0 && !se.includes(n.codec)) throw new TypeError(`options.audio.codec, when provided, must be one of: ${se.join(", ")}.`); if (n?.bitrate !== void 0 && !(n.bitrate instanceof xe) && (!Number.isInteger(n.bitrate) || n.bitrate <= 0)) throw new TypeError("options.audio.bitrate, when provided, must be a positive integer or a quality."); if (n?.numberOfChannels !== void 0 && (!Number.isInteger(n.numberOfChannels) || n.numberOfChannels <= 0)) throw new TypeError("options.audio.numberOfChannels, when provided, must be a positive integer."); if (n?.sampleRate !== void 0 && (!Number.isInteger(n.sampleRate) || n.sampleRate <= 0)) throw new TypeError("options.audio.sampleRate, when provided, must be a positive integer."); if (n?.sampleFormat !== void 0 && !["u8", "s16", "s32", "f32"].includes(n.sampleFormat)) throw new TypeError("options.audio.sampleFormat, when provided, must be one of: u8, s16, s32, f32."); if (n?.process !== void 0 && typeof n.process != "function") throw new TypeError("options.audio.process, when provided, must be a function."); if (n?.processedNumberOfChannels !== void 0 && (!Number.isInteger(n.processedNumberOfChannels) || n.processedNumberOfChannels <= 0)) throw new TypeError("options.audio.processedNumberOfChannels, when provided, must be a positive integer."); if (n?.processedSampleRate !== void 0 && (!Number.isInteger(n.processedSampleRate) || n.processedSampleRate <= 0)) throw new TypeError("options.audio.processedSampleRate, when provided, must be a positive integer."); if (n?.group !== void 0 && !(n.group instanceof Le || Array.isArray(n.group) && n.group.every(t => t instanceof Le))) throw new TypeError("options.audio.group, when provided, must be an OutputTrackGroup or an array of OutputTrackGroups.") }, du = 2, mu = 48e3, Ro = class n {
constructor(t) { this._addedCounts = { video: 0, audio: 0, subtitle: 0 }; this._totalTrackCount = 0; this._nextOutputTrackId = 0; this._outputTrackIds = []; this._outputOwnTrackGroups = []; this._trackPromises = []; this._executed = !1; this._synchronizer = new fu; this._totalDuration = null; this._maxTimestamps = new Map; this._canceled = !1; this.onProgress = void 0; this._computeProgress = !1; this._lastProgress = 0; this.isValid = !1; this.utilizedTracks = []; this.discardedTracks = []; if (!t || typeof t != "object") throw new TypeError("options must be an object."); if (!(t.input instanceof xr)) throw new TypeError("options.input must be an Input."); if (!(t.output instanceof sr)) throw new TypeError("options.output must be an Output."); if (t.tracks !== void 0 && t.tracks !== "all" && t.tracks !== "primary") throw new TypeError("options.tracks, when provided, must be either 'all' or 'primary'."); if (t.output._tracks.length > 0 || Object.keys(t.output._metadataTags).length > 0 || t.output.state !== "pending") throw new TypeError("options.output must be fresh: no tracks or metadata tags added and not started."); if (t.video !== void 0 && typeof t.video != "function") if (Array.isArray(t.video)) for (let i of t.video) vo(i); else vo(t.video); if (t.audio !== void 0 && typeof t.audio != "function") if (Array.isArray(t.audio)) for (let i of t.audio) _o(i); else _o(t.audio); if (t.trim !== void 0 && (!t.trim || typeof t.trim != "object")) throw new TypeError("options.trim, when provided, must be an object."); if (t.trim?.start !== void 0 && !Number.isFinite(t.trim.start)) throw new TypeError("options.trim.start, when provided, must be a finite number."); if (t.trim?.end !== void 0 && !Number.isFinite(t.trim.end)) throw new TypeError("options.trim.end, when provided, must be a finite number."); if (t.trim?.start !== void 0 && t.trim.end !== void 0 && t.trim.start >= t.trim.end) throw new TypeError("options.trim.start must be less than options.trim.end."); if (t.tags !== void 0 && (typeof t.tags != "object" || !t.tags) && typeof t.tags != "function") throw new TypeError("options.tags, when provided, must be an object or a function."); if (typeof t.tags == "object" && ln(t.tags), t.showWarnings !== void 0 && typeof t.showWarnings != "boolean") throw new TypeError("options.showWarnings, when provided, must be a boolean."); this._options = t, this.input = t.input, this.output = t.output; let { promise: e, resolve: r } = J(); this._started = e, this._start = r } static async init(t) { let e = new n(t); return await e._init(), e } async _init() {
let t = await this.input.getFormat(), e, r = this._options.tracks; if (r === void 0 && (r = t.name.includes("(HLS)") ? "primary" : "all"), r === "all") e = await this.input.getTracks(); else if (r === "primary") { let f = await this.input.getPrimaryVideoTrack(), h = await this.input.getPrimaryAudioTrack(); e = [f, h].filter(b => b !== null) } else ae(r), p(!1); let i = this.output.format.getSupportedTrackCounts(), a = 1, s = 1, o = [], c = []; for (let f of e) { let h; if (f.isVideoTrack()) if (this._options.video) if (typeof this._options.video == "function") { let y = await this._options.video(f, a) ?? {}; if (Array.isArray(y)) for (let k of y) vo(k); else vo(y); h = Array.isArray(y) ? y : [y], a++ } else h = Array.isArray(this._options.video) ? this._options.video : [this._options.video]; else h = [{}]; else if (f.isAudioTrack()) if (this._options.audio) if (typeof this._options.audio == "function") { let y = await this._options.audio(f, s) ?? {}; if (Array.isArray(y)) for (let k of y) _o(k); else _o(y); h = Array.isArray(y) ? y : [y], s++ } else h = Array.isArray(this._options.audio) ? this._options.audio : [this._options.audio]; else h = [{}]; else p(!1); let b = h.filter(y => y.discard); for (let y of b) this.discardedTracks.push({ track: f, reason: "discarded_by_user", trackOptions: y }); if (h.length === b.length) { h.length === 0 && this.discardedTracks.push({ track: f, reason: "discarded_by_user", trackOptions: {} }); continue } let g = h.filter(y => !y.discard); o.push(f), c.push(g) } this._options.trim?.start !== void 0 ? this._startTimestamp = this._options.trim.start : this._startTimestamp = Math.max(await this.input.getFirstTimestamp(o), 0), this._endTimestamp = Math.max(this._options.trim?.end ?? 1 / 0, this._startTimestamp); for (let f = 0; f < o.length; f++) { let h = o[f], b = c[f]; for (let g of b) { if (this._totalTrackCount === i.total.max) { this.discardedTracks.push({ track: h, reason: "max_track_count_reached", trackOptions: g }); continue } if (this._addedCounts[h.type] === i[h.type].max) { this.discardedTracks.push({ track: h, reason: "max_track_count_of_type_reached", trackOptions: g }); continue } let y = this._nextOutputTrackId++; h.isVideoTrack() ? await this._processVideoTrack(h, g, y) : h.isAudioTrack() ? await this._processAudioTrack(h, g, y) : p(!1) } } for (let f = 0; f < this.utilizedTracks.length - 1; f++)for (let h = f + 1; h < this.utilizedTracks.length; h++) { let b = this.utilizedTracks[f], g = this.utilizedTracks[h], y = this._outputOwnTrackGroups[f], k = this._outputOwnTrackGroups[h]; p(y !== void 0), p(k !== void 0), y && k && b.canBePairedWith(g) && y.pairWith(k) } let u = await this.input.getMetadataTags(), l; if (this._options.tags) { let f = typeof this._options.tags == "function" ? await this._options.tags(u) : this._options.tags; ln(f), l = f } else l = u; let m = t.mimeType === this.output.format.mimeType, d = u.raw === l.raw; if (u.raw && d && !m && delete l.raw, this.output.setMetadataTags(l), this.isValid = this._totalTrackCount >= i.total.min && this._addedCounts.video >= i.video.min && this._addedCounts.audio >= i.audio.min && this._addedCounts.subtitle >= i.subtitle.min, this._options.showWarnings ?? !0) {
let f = [], h = this.discardedTracks.filter(b => b.reason !== "discarded_by_user"); h.length > 0 && f.push("Some tracks had to be discarded from the conversion:", h), this.isValid || (f.length > 0 && f.push(`
`), f.push(this._getInvalidityExplanation().join(""))), f.length > 0 && console.warn(...f)
}
} _getInvalidityExplanation() {
let t = []; if (this.discardedTracks.length === 0) t.push("Due to missing tracks, this conversion cannot be executed."); else {
let e = this.discardedTracks.every(r => r.reason === "discarded_by_user" || r.reason === "no_encodable_target_codec") && this.discardedTracks.some(r => r.reason === "no_encodable_target_codec"); if (t.push("Due to discarded tracks, this conversion cannot be executed."), e) {
let r = this.discardedTracks.flatMap(a => a.reason === "discarded_by_user" ? [] : a.track.type === "video" ? this.output.format.getSupportedVideoCodecs() : a.track.type === "audio" ? this.output.format.getSupportedAudioCodecs() : this.output.format.getSupportedSubtitleCodecs()), i = [...new Set(r)]; i.length === 1 ? t.push(`
Tracks were discarded because your environment is not able to encode '${i[0]}'.`) : t.push(`
Tracks were discarded because your environment is not able to encode any of the following codecs: ${i.map(a => `'${a}'`).join(", ")}.`), i.includes("mp3") && t.push(`
The @mediabunny/mp3-encoder extension package provides support for encoding MP3.`), i.includes("aac") && t.push(`
The @mediabunny/aac-encoder extension package provides support for encoding AAC.`), (i.includes("ac3") || i.includes("eac3")) && t.push(`
The @mediabunny/ac3 extension package provides support for encoding and decoding AC-3/E-AC-3.`), i.includes("flac") && t.push(`
The @mediabunny/flac-encoder extension package provides support for encoding FLAC.`)
} else t.push(`
Check the discardedTracks field for more info.`)
} return t
} async execute() {
if (!this.isValid) throw new Error(`Cannot execute this conversion because its output configuration is invalid. Make sure to always check the isValid field before executing a conversion.
`+ this._getInvalidityExplanation().join("")); if (this._executed) throw new Error("Conversion cannot be executed twice."); if (this._executed = !0, this.onProgress) { let e = [...new Set(this.utilizedTracks)].map(async i => await i.isLive() ? 1 / 0 : await i.getDurationFromMetadata() ?? await i.computeDuration()), r = Math.max(0, ...await Promise.all(e)); this._computeProgress = !0, this._totalDuration = Math.min(r - this._startTimestamp, this._endTimestamp - this._startTimestamp); for (let i of this._outputTrackIds) this._maxTimestamps.set(i, 0); this.onProgress?.(0, 0) } await this.output.start(), this._start(); try { await Promise.all(this._trackPromises) } catch (t) { throw this._canceled || this.cancel(), t } if (this._canceled) throw new ua; if (await this.output.finalize(), this._computeProgress) { let t = Math.min(...this._maxTimestamps.values()); this.onProgress?.(1, t) }
} async cancel() { if (!(this.output.state === "finalizing" || this.output.state === "finalized")) { if (this._canceled) { console.warn("Conversion already canceled."); return } this._canceled = !0, await this.output.cancel() } } async _processVideoTrack(t, e, r) { let i = await t.getCodec(); if (!i) { this.discardedTracks.push({ track: t, reason: "unknown_source_codec", trackOptions: e }); return } let a, s = Tt(await t.getRotation() + (e.rotate ?? 0)), o = s, c = this.output.format.supportsVideoRotationMetadata && (e.allowRotationMetadata ?? !0), u = await t.getSquarePixelWidth(), l = await t.getSquarePixelHeight(), [m, d] = s % 180 === 0 ? [u, l] : [l, u], f = e.crop; f && (f = ri(f, m, d)); let [h, b] = f ? [f.width, f.height] : [m, d], g = h, y = b, k = g / y; e.width !== void 0 && e.height === void 0 ? (g = Pt(e.width), y = Pt(Math.round(g / k))) : e.width === void 0 && e.height !== void 0 ? (y = Pt(e.height), g = Pt(Math.round(y * k))) : e.width !== void 0 && e.height !== void 0 && (g = Pt(e.width), y = Pt(e.height)); let T = await t.getFirstTimestamp(), w = this.output.format.getSupportedVideoCodecs(), S = !!e.forceTranscode || T < this._startTimestamp || !!e.frameRate || e.keyFrameInterval !== void 0 || e.process !== void 0 || e.bitrate !== void 0 || !w.includes(i) || e.codec && e.codec !== i || g !== h || y !== b || s !== 0 && !c || !!f, x = e.alpha ?? "discard"; if (S) { if (!await t.canDecode()) { this.discardedTracks.push({ track: t, reason: "undecodable_source_codec", trackOptions: e }); return } e.codec && (w = w.filter(z => z === e.codec)); let I = e.bitrate ?? Kn, F = await Xs(w, { width: e.process && e.processedWidth ? e.processedWidth : g, height: e.process && e.processedHeight ? e.processedHeight : y, bitrate: I }); if (!F) { this.discardedTracks.push({ track: t, reason: "no_encodable_target_codec", trackOptions: e }); return } let v = { codec: F, bitrate: I, keyFrameInterval: e.keyFrameInterval, sizeChangeBehavior: e.fit ?? "passThrough", alpha: x, hardwareAcceleration: e.hardwareAcceleration }, E = new di(v); a = E; let D = g !== h || y !== b || s !== 0 && (!c || e.process !== void 0) || !!f || u !== await t.getCodedWidth() || l !== await t.getCodedHeight(); if (!D) { let z = new sr({ format: new hi, target: new Or }), V = new di(v); z.addVideoTrack(V), await z.start(); let Z = await new Ir(t).getSample(T); if (Z) try { await V.add(Z), Z.close(), await z.finalize() } catch (oe) { console.info("Error when probing encoder support. Falling back to rerender path.", oe), D = !0, z.cancel() } else await z.cancel() } D ? (o = 0, this._trackPromises.push((async () => { await this._started; let V = new Xi(t, { width: g, height: y, fit: e.fit ?? "fill", rotation: s, crop: e.crop, poolSize: 1, alpha: x === "keep" }).canvases(this._startTimestamp, this._endTimestamp), L = e.frameRate, Z = null, oe = null, Vt = null, Oe = async We => { p(Z), p(L !== void 0); let Qe = Math.round((We - oe) * L); for (let bi = 1; bi < Qe; bi++) { let or = new me(Z, { timestamp: oe + bi / L, duration: 1 / L }); await this._registerVideoSample(e, r, E, or), or.close() } }; for await (let { canvas: We, timestamp: Qe, duration: bi } of V) { if (this._canceled) return; let or = Math.max(Qe - this._startTimestamp, 0); if (Vt = or + bi, L !== void 0) { let la = dr(or, L); if (Z !== null) if (la <= oe) { Z = We, oe = la; continue } else await Oe(la); or = la } let pu = new me(We, { timestamp: or, duration: L !== void 0 ? 1 / L : bi }); await this._registerVideoSample(e, r, E, pu), pu.close(), L !== void 0 && (Z = We, oe = or) } Z && (p(Vt !== null), p(L !== void 0), await Oe(dr(Vt, L))), E.close(), this._synchronizer.closeTrack(r) })())) : this._trackPromises.push((async () => { await this._started; let z = new Ir(t), V = e.frameRate, L = null, Z = null, oe = null, Vt = async Oe => { p(L), p(V !== void 0); let We = Math.round((Oe - Z) * V); for (let Qe = 1; Qe < We; Qe++)L.setTimestamp(Z + Qe / V), L.setDuration(1 / V), await this._registerVideoSample(e, r, E, L); L.close() }; for await (let Oe of z.samples(this._startTimestamp, this._endTimestamp)) { if (this._canceled) { Oe.close(), L?.close(); return } let We = Math.max(Oe.timestamp - this._startTimestamp, 0); if (oe = We + Oe.duration, V !== void 0) { let Qe = dr(We, V); if (L !== null) if (Qe <= Z) { L.close(), L = Oe, Z = Qe; continue } else await Vt(Qe); We = Qe, Oe.setDuration(1 / V) } Oe.setTimestamp(We), await this._registerVideoSample(e, r, E, Oe), V !== void 0 ? (L = Oe, Z = We) : Oe.close() } L && (p(oe !== null), p(V !== void 0), await Vt(dr(oe, V))), E.close(), this._synchronizer.closeTrack(r) })()) } else { let C = new Dr(i); a = C, this._trackPromises.push((async () => { await this._started; let I = new bt(t), v = { decoderConfig: await t.getDecoderConfig() ?? void 0 }; for await (let E of I.packets(void 0, void 0, { verifyKeyPackets: !0 })) { if (this._canceled) return; if (E.timestamp >= this._endTimestamp) break; let D = E.clone({ timestamp: E.timestamp - this._startTimestamp, sideData: x === "discard" ? {} : E.sideData }); p(D.timestamp >= 0), this._reportProgress(r, D.timestamp + D.duration), await C.add(D, v), this._synchronizer.shouldWait(r, D.timestamp) && await this._synchronizer.wait(D.timestamp) } C.close(), this._synchronizer.closeTrack(r) })()) } let P = null; e.group || (P = new Le); let A = await t.getLanguageCode(); this.output.addVideoTrack(a, { frameRate: e.frameRate, languageCode: Wt(A) ? A : void 0, name: await t.getName() ?? void 0, disposition: await t.getDisposition(), rotation: o, group: P ?? e.group }), this._addedCounts.video++, this._totalTrackCount++, this.utilizedTracks.push(t), this._outputTrackIds.push(r), this._outputOwnTrackGroups.push(P) } async _registerVideoSample(t, e, r, i) { if (this._canceled) return; this._reportProgress(e, i.timestamp + i.duration); let a; if (!t.process) a = [i]; else { let s = t.process(i); s instanceof Promise && (s = await s), Array.isArray(s) || (s = s === null ? [] : [s]), a = s.map(o => o instanceof me ? o : typeof VideoFrame < "u" && o instanceof VideoFrame ? new me(o) : new me(o, { timestamp: i.timestamp, duration: i.duration })) } try { for (let s of a) { if (this._canceled) break; await r.add(s), this._synchronizer.shouldWait(e, s.timestamp) && await this._synchronizer.wait(s.timestamp) } } finally { for (let s of a) s !== i && s.close() } } async _processAudioTrack(t, e, r) { let i = await t.getCodec(); if (!i) { this.discardedTracks.push({ track: t, reason: "unknown_source_codec", trackOptions: e }); return } let a, s = await t.getNumberOfChannels(), o = await t.getSampleRate(), c = await t.getFirstTimestamp(), u = e.numberOfChannels ?? s, l = e.sampleRate ?? o, m = u !== s || l !== o || c < this._startTimestamp || c > this._startTimestamp && !this.output.format.supportsTimestampedMediaData, d = this.output.format.getSupportedAudioCodecs(); if (!e.forceTranscode && !e.bitrate && !m && d.includes(i) && (!e.codec || e.codec === i) && !e.process && e.sampleFormat === void 0) { let b = new Vr(i); a = b, this._trackPromises.push((async () => { await this._started; let g = new bt(t), k = { decoderConfig: await t.getDecoderConfig() ?? void 0 }; for await (let T of g.packets()) { if (this._canceled) return; if (T.timestamp >= this._endTimestamp) break; let w = T.clone({ timestamp: T.timestamp - this._startTimestamp }); p(w.timestamp >= 0), this._reportProgress(r, w.timestamp + w.duration), await b.add(w, k), this._synchronizer.shouldWait(r, w.timestamp) && await this._synchronizer.wait(w.timestamp) } b.close(), this._synchronizer.closeTrack(r) })()) } else { if (!await t.canDecode()) { this.discardedTracks.push({ track: t, reason: "undecodable_source_codec", trackOptions: e }); return } let g = null; e.codec && (d = d.filter(T => T === e.codec)); let y = e.bitrate ?? Kn, k = await Ki(d, { numberOfChannels: e.process && e.processedNumberOfChannels ? e.processedNumberOfChannels : u, sampleRate: e.process && e.processedSampleRate ? e.processedSampleRate : l, bitrate: y }); if (!k.some(T => st.includes(T)) && d.some(T => st.includes(T)) && (u !== du || l !== mu)) { let w = (await Ki(d, { numberOfChannels: du, sampleRate: mu, bitrate: y })).find(S => st.includes(S)); w && (m = !0, g = w, u = du, l = mu) } else g = k[0] ?? null; if (g === null) { this.discardedTracks.push({ track: t, reason: "no_encodable_target_codec", trackOptions: e }); return } if (m) a = this._resampleAudio(t, e, r, g, u, l, y); else { let T = new mi({ codec: g, bitrate: y }); a = T, this._trackPromises.push((async () => { await this._started; let w = new Er(t); for await (let S of w.samples(void 0, this._endTimestamp)) { if (this._canceled) { S.close(); return } S.setTimestamp(S.timestamp - this._startTimestamp), await this._registerAudioSample(e, r, T, S), S.close() } T.close(), this._synchronizer.closeTrack(r) })()) } } let f = null; e.group || (f = new Le); let h = await t.getLanguageCode(); this.output.addAudioTrack(a, { languageCode: Wt(h) ? h : void 0, name: await t.getName() ?? void 0, disposition: await t.getDisposition(), group: f ?? e.group }), this._addedCounts.audio++, this._totalTrackCount++, this.utilizedTracks.push(t), this._outputTrackIds.push(r), this._outputOwnTrackGroups.push(f) } async _registerAudioSample(t, e, r, i) { if (this._canceled) return; let a = i; t.sampleFormat !== void 0 && Hs(a.format) !== t.sampleFormat && (a = qs(a, t.sampleFormat)), this._reportProgress(e, a.timestamp + a.duration); let s; if (!t.process) s = [a]; else { let o = t.process(a); if (o instanceof Promise && (o = await o), Array.isArray(o) || (o = o === null ? [] : [o]), !o.every(c => c instanceof Te)) throw new TypeError("The audio process function must return an AudioSample, null, or an array of AudioSamples."); s = o } try { for (let o of s) { if (this._canceled) break; await r.add(o), this._synchronizer.shouldWait(e, o.timestamp) && await this._synchronizer.wait(o.timestamp) } } finally { a !== i && a.close(); for (let o of s) o !== i && o.close() } } _resampleAudio(t, e, r, i, a, s, o) { let c = new mi({ codec: i, bitrate: o }); return this._trackPromises.push((async () => { await this._started; let u = new nn({ targetNumberOfChannels: a, targetSampleRate: s, startTime: this._startTimestamp, endTime: this._endTimestamp, onSample: async d => { p(d.timestamp >= this._startTimestamp), d.setTimestamp(d.timestamp - this._startTimestamp), await this._registerAudioSample(e, r, c, d), d.close() } }), m = new Er(t).samples(this._startTimestamp, this._endTimestamp); for await (let d of m) { if (this._canceled) { d.close(); return } await u.add(d), d.close() } await u.finalize(), c.close(), this._synchronizer.closeTrack(r) })()), c } _reportProgress(t, e) { if (!this._computeProgress) return; p(this._totalDuration !== null), this._maxTimestamps.set(t, Math.max(e, this._maxTimestamps.get(t))); let r = Math.min(...this._maxTimestamps.values()), i = de(r / this._totalDuration, 0, 1); i !== this._lastProgress && (this._lastProgress = i, this.onProgress?.(i, r)) }
}, ua = class extends Error { constructor(t = "Conversion has been canceled.") { super(t), this.name = "ConversionCanceledError" } }, am = 5, fu = class { constructor() { this.maxTimestamps = new Map; this.resolvers = [] } computeMinAndMaybeResolve() { let t = 1 / 0; for (let [, e] of this.maxTimestamps) t = Math.min(t, e); for (let e = 0; e < this.resolvers.length; e++) { let r = this.resolvers[e]; r.timestamp - t < am && (r.resolve(), this.resolvers.splice(e, 1), e--) } return t } shouldWait(t, e) { this.maxTimestamps.set(t, Math.max(e, this.maxTimestamps.get(t) ?? -1 / 0)); let r = this.computeMinAndMaybeResolve(); return e - r >= am } wait(t) { let { promise: e, resolve: r } = J(); return this.resolvers.push({ timestamp: t, resolve: r }), e } closeTrack(t) { this.maxTimestamps.delete(t), this.computeMinAndMaybeResolve() } }; var sm = Symbol.for("mediabunny loaded"); globalThis[sm] && console.error(`[WARNING]
Mediabunny was loaded twice. This will likely cause Mediabunny not to work correctly. Check if multiple dependencies are importing different versions of Mediabunny, or if something is being bundled incorrectly.`); globalThis[sm] = !0; return pm(Rp);
})();
if (typeof module === "object" && typeof module.exports === "object") Object.assign(module.exports, Mediabunny)
// ==[/Mediabunny end NO EDIT NOT MY CODE ^]==
globalThis.Mediabunny = Mediabunny;
(() => {
"use strict";
if (window.self === window.top) {
const fixIframes = () => {
document.querySelectorAll('iframe[src*="youtube.com/embed"]').forEach(iframe => {
if (!iframe.hasAttribute('allowfullscreen')) iframe.setAttribute('allowfullscreen', '');
const allow = iframe.getAttribute('allow') || '';
if (!allow.includes('fullscreen')) iframe.setAttribute('allow', (allow ? allow + '; ' : '') + 'fullscreen');
});
};
fixIframes();
new MutationObserver(fixIframes).observe(document.documentElement, { childList: true, subtree: true });
window.addEventListener('message', (e) => {
if (e.data?.type === 'YTEE_REQUEST_FULLSCREEN') {
const iframes = document.querySelectorAll('iframe');
for (const f of iframes) {
if (f.contentWindow === e.source) {
if (document.fullscreenElement) document.exitFullscreen().catch(() => { });
else f.requestFullscreen().catch(err => console.warn('YTEE: Parent fullscreen failed', err));
break;
}
}
}
});
document.addEventListener('dblclick', (e) => {
const iframe = e.target.closest('iframe[src*="youtube.com/embed"]')
?? document.querySelector('iframe[src*="youtube.com/embed"]');
if (!iframe) return;
if (document.fullscreenElement) document.exitFullscreen().catch(() => { });
else iframe.requestFullscreen().catch(() => { });
}, { passive: true });
return;
}
const isControlsDisabled = new URLSearchParams(window.location.search).get("controls") === "0";
const isPlayButtonMissing = !document.querySelector(".ytp-play-button");
const isChat = () => {
const href = window.location.href.toLowerCase();
if (href.includes('live_chat') || href.includes('livechat') || href.includes('chat_replay') || href.includes('is_chat=1')) return true;
if (document.querySelector('yt-live-chat-renderer, yt-live-chat-app, #chat-messages, #live-chat-frame')) return true;
if (document.documentElement.classList.contains('yt-live-chat-app') || (window.name && window.name.toLowerCase().includes('chat'))) return true;
// removing this for now
// if (window.innerWidth < 400 && window.innerHeight > window.innerWidth) return true;
return false;
};
if (isChat()) return;
if (!isControlsDisabled && !isPlayButtonMissing) {
console.log('YTEE: Normal controls detected, enhancing anyway.');
}
document.head.appendChild(
Object.assign(document.createElement("style"), {
textContent: `
:root {
/* Styles */
--ytee-ew: 800px;
/* Sizing */
--ytee-btn-size: clamp(25.5px, calc(var(--ytee-ew) * 0.04), 37.5px);
--ytee-icon-size: clamp(15px, calc(var(--ytee-ew) * 0.0225), 21px);
--ytee-font-size: clamp(11px, calc(var(--ytee-ew) * 0.0175), 15px);
--ytee-gap: clamp(2.5px, calc(var(--ytee-ew) * 0.00375), 5px);
--ytee-bg-dark: rgba(15, 15, 15, 0.95);
--ytee-bg-medium: rgba(30, 30, 30, 0.85);
--ytee-btn-bg: rgba(255,255,255,0.08);
--ytee-btn-border: rgba(255,255,255,0.13);
--ytee-btn-hover: rgba(255,255,255,0.19);
--ytee-text: rgba(255,255,255,0.92);
--ytee-accent: #10b981;
--ytee-accent-rgb: 16, 185, 129;
--ytee-stats-color: #ffd700;
--ytee-stats-bg: rgba(255,215,0,0.14);
--ytee-stats-border: rgba(255,215,0,0.55);
--ytee-speed-color: #7ddeff;
--ytee-speed-bg: rgba(119,221,255,0.12);
--ytee-speed-border: rgba(119,221,255,0.55);
--ytee-rec-bg: rgba(255,68,68,0.15);
--ytee-rec-border: rgba(255,68,68,0.65);
--ytee-anim-fast: 0.1s cubic-bezier(0.4,0,0.2,1);
--ytee-anim-normal: 0.2s cubic-bezier(0.4,0,0.2,1);
--ytee-anim-slow: 0.3s cubic-bezier(0.4,0,0.2,1);
--ytee-radius: 12px;
}
[data-ytee-high-contrast="1"] {
--ytee-btn-bg: rgba(10, 10, 10, 0.82) !important;
--ytee-btn-border: rgba(255, 255, 255, 0.28) !important;
--ytee-btn-hover: rgba(30, 30, 30, 0.95) !important;
--ytee-text: #ffffff !important;
}
player-fullscreen-action-menu { display: none !important; }
/* Overlays */
#custom-vol-overlay,
#custom-speed-overlay {
position: fixed;
top: clamp(60px,10vh,140px);
left: 50%;
transform: translateX(-50%);
background: var(--ytee-bg-dark);
color: var(--ytee-text);
padding: clamp(5px,calc(var(--ytee-ew) * 0.008),10px) clamp(10px,calc(var(--ytee-ew) * 0.016),20px);
border-radius: 6px;
font-size: clamp(13px,calc(var(--ytee-ew) * 0.018),20px);
font-family: sans-serif;
font-weight: bold;
z-index: 9999;
opacity: 0;
pointer-events: none;
transition: opacity var(--ytee-anim-slow);
will-change: opacity;
}
#custom-vol-overlay.show,
#custom-speed-overlay.show { opacity: 1; transition: opacity var(--ytee-anim-fast); }
#custom-speed-overlay { top: clamp(95px,16vh,190px); }
#custom-clip-overlay {
position: fixed;
top: clamp(125px,22vh,240px);
left: 50%;
transform: translateX(-50%);
background: rgba(180,0,0,0.78);
color: white;
padding: clamp(4px,calc(var(--ytee-ew) * 0.005),7px) clamp(10px,calc(var(--ytee-ew) * 0.014),18px);
border-radius: 6px;
font-size: clamp(11px,calc(var(--ytee-ew) * 0.014),16px);
font-family: monospace;
font-weight: bold;
z-index: 9999;
opacity: 0;
pointer-events: none;
transition: opacity var(--ytee-anim-slow);
will-change: opacity;
}
#custom-clip-overlay.show { opacity: 1; transition: opacity var(--ytee-anim-fast); }
/* Instant Replay indicator */
#custom-replay-overlay {
position: fixed;
top: clamp(160px,28vh,300px);
left: 50%;
transform: translateX(-50%);
background: rgba(80,0,160,0.82);
color: white;
padding: clamp(4px,calc(var(--ytee-ew) * 0.005),7px) clamp(10px,calc(var(--ytee-ew) * 0.014),18px);
border-radius: 6px;
font-size: clamp(11px,calc(var(--ytee-ew) * 0.014),16px);
font-family: monospace;
font-weight: bold;
z-index: 9999;
opacity: 0;
pointer-events: none;
transition: opacity var(--ytee-anim-slow);
will-change: opacity;
}
#custom-replay-overlay.show { opacity: 1; transition: opacity var(--ytee-anim-fast); }
#custom-mini-stats {
position: fixed;
bottom: 45px;
left: 10px;
background: rgba(10, 10, 10, 0.7);
backdrop-filter: blur(4px);
color: rgba(255, 255, 255, 0.6);
padding: 4px 10px;
border-radius: 6px;
font-family: ui-monospace, 'Cascadia Code', monospace;
font-size: 10.5px;
z-index: 9999;
border: 1px solid rgba(255, 255, 255, 0.08);
opacity: 0;
pointer-events: none;
cursor: grab;
transition: opacity var(--ytee-anim-slow), transform var(--ytee-anim-fast);
white-space: nowrap;
display: flex;
gap: 12px;
}
#custom-mini-stats.show { opacity: 1; pointer-events: auto; }
#custom-mini-stats:active { cursor: grabbing; transform: scale(1.02); }
#custom-mini-stats span { color: var(--ytee-speed-color); font-weight: bold; }
#custom-mini-stats b { color: rgba(255, 255, 255, 0.3); font-weight: normal; margin-right: 4px; }
/* Mute button */
#custom-mute-btn {
position: fixed;
bottom: clamp(6px,1vh,18px);
left: clamp(6px,calc(var(--ytee-ew) * 0.008),14px);
width: var(--ytee-btn-size);
height: var(--ytee-btn-size);
z-index: 9999;
cursor: pointer;
border: none;
background-color: transparent;
background-repeat: no-repeat;
background-position: center;
background-size: contain;
background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z"/></svg>');
opacity: 0;
pointer-events: none;
transition: opacity var(--ytee-anim-slow), transform var(--ytee-anim-fast);
will-change: opacity;
}
#custom-mute-btn.show { opacity: 1; pointer-events: auto; }
#custom-mute-btn.show:hover { transform: scale(1.1); }
#custom-mute-btn.muted {
background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z"/></svg>');
opacity: 0.5 !important;
}
#custom-mute-btn.show.muted { opacity: 0.5; }
/* Volume slider */
#custom-vol-slider {
position: fixed;
bottom: calc(clamp(6px,1vh,18px) + var(--ytee-btn-size)/2 - 6px);
left: calc(clamp(6px,calc(var(--ytee-ew) * 0.008),14px) + var(--ytee-btn-size) + clamp(3px,calc(var(--ytee-ew) * 0.004),7px));
z-index: 9999;
width: clamp(52px,calc(var(--ytee-ew) * 0.072),90px);
height: 12px;
cursor: pointer;
-webkit-appearance: none;
appearance: none;
background: transparent !important;
border: none !important;
padding: 0 !important;
margin: 0 !important;
outline: none;
opacity: 0;
pointer-events: none;
transition: opacity var(--ytee-anim-slow), width var(--ytee-anim-normal);
will-change: opacity;
}
#custom-vol-slider.show { opacity: 0.75; pointer-events: auto; }
#custom-vol-slider.show:hover { opacity: 1; width: clamp(68px,calc(var(--ytee-ew) * 0.092),110px); }
#custom-vol-slider::-webkit-slider-runnable-track { -webkit-appearance: none; height: 3px; border-radius: 2px; background: rgba(255,255,255,0.35); border: none; }
#custom-vol-slider::-moz-range-track { height: 3px; border-radius: 2px; background: rgba(255,255,255,0.35); border: none; }
#custom-vol-slider::-webkit-slider-thumb {
width: clamp(10px,calc(var(--ytee-ew) * 0.013),14px); height: clamp(10px,calc(var(--ytee-ew) * 0.013),14px);
margin-top: calc(-1*(clamp(10px,calc(var(--ytee-ew) * 0.013),14px)/2 - 1.5px));
appearance: none; border-radius: 50%; background: white;
box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
#custom-vol-slider::-moz-range-thumb {
width: clamp(10px,calc(var(--ytee-ew) * 0.013),14px); height: clamp(10px,calc(var(--ytee-ew) * 0.013),14px);
border-radius: 50%; background: white; border: none;
box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
/* Button group */
#custom-btn-group {
position: fixed;
bottom: clamp(6px,1vh,18px);
right: clamp(6px,calc(var(--ytee-ew) * 0.008),14px);
display: flex;
align-items: center;
gap: var(--ytee-gap);
z-index: 9999;
opacity: 0;
pointer-events: none;
transition: opacity var(--ytee-anim-slow);
will-change: opacity;
}
#custom-btn-group.show { opacity: 1; pointer-events: auto; }
#custom-btn-group.collapsed .ytee-collapsible { display: none !important; }
#custom-btn-group.collapsed { gap: 4px; }
/* Shared button base */
.ytee-btn {
display: flex;
align-items: center;
justify-content: center;
gap: 4px;
cursor: pointer;
color: var(--ytee-text);
background: var(--ytee-btn-bg) !important;
border: 1px solid var(--ytee-btn-border) !important;
border-radius: var(--ytee-radius) !important;
font-size: var(--ytee-font-size);
font-family: ui-monospace, 'Cascadia Code', monospace;
font-weight: 700;
letter-spacing: 0.03em;
line-height: 1;
text-shadow: 0 1px 2px rgba(0,0,0,0.6);
opacity: 0;
pointer-events: none;
position: relative;
overflow: visible;
white-space: nowrap;
transition: opacity var(--ytee-anim-slow), background var(--ytee-anim-fast), transform var(--ytee-anim-fast);
width: var(--ytee-btn-size);
height: var(--ytee-btn-size);
padding: 0;
}
#custom-btn-group.show .ytee-btn, #custom-toggle-btn, #custom-settings-btn { opacity: 1; pointer-events: auto; }
.ytee-btn:hover { background: var(--ytee-btn-hover) !important; transform: scale(1.08); z-index: 10; }
/* Speed keeps auto width for the rate text */
#custom-speed-btn { width: auto; min-width: var(--ytee-btn-size); padding: 0 clamp(3px,calc(var(--ytee-ew) * 0.004),7px); }
/* SVG icons inside each button */
.ytee-btn .ytee-icon { display: flex; }
/* Label spans — hidden in icon mode */
.ytee-btn .ytee-label { display: none; }
/* Tooltips — shown in icon mode only */
.ytee-btn:not([data-tip])::after, .ytee-btn[data-tip=""]::after { display: none !important; }
.ytee-btn::after {
content: attr(data-tip);
position: absolute;
bottom: calc(100% + 7.5px);
right: 0;
background: rgba(10,10,10,0.92);
color: rgba(255,255,255,0.92);
font-size: 12.5px;
font-family: system-ui, sans-serif;
font-weight: 500;
white-space: nowrap;
padding: 3.75px 10px;
border-radius: 5px;
border: 1.25px solid rgba(255,255,255,0.1);
pointer-events: none;
opacity: 0;
transition: opacity 0.12s;
letter-spacing: 0;
}
.ytee-btn:hover::after { opacity: 1; }
/* Label mode */
[data-ytee-labels="1"] .ytee-btn { width: auto; padding: 0 clamp(6px,calc(var(--ytee-ew) * 0.009),13px); }
[data-ytee-labels="1"] .ytee-btn .ytee-label { display: inline; }
[data-ytee-labels="1"] .ytee-btn .ytee-icon { display: flex; }
/* Force icon-only for specific buttons */
#custom-settings-btn, #custom-toggle-btn { width: var(--ytee-btn-size) !important; padding: 0 !important; }
#custom-settings-btn .ytee-label, #custom-toggle-btn .ytee-label { display: none !important; }
/* State colors */
#custom-stats-btn.active {
color: var(--ytee-stats-color) !important;
background: var(--ytee-stats-bg) !important;
border-color: var(--ytee-stats-border) !important;
}
#custom-stats-btn.active svg { fill: var(--ytee-stats-color); }
#custom-stats-btn.nerds-active {
color: #7ddeff !important;
background: rgba(119,221,255,0.12) !important;
border-color: rgba(119,221,255,0.55) !important;
}
#custom-stats-btn.nerds-active svg { fill: #7ddeff; }
/* When both are active, prioritize Mini Stats background but keep blue icon/text for Nerds (or vice-versa) */
#custom-stats-btn.active.nerds-active {
background: var(--ytee-stats-bg) !important;
border-color: #7ddeff !important;
color: #7ddeff !important;
}
#custom-stats-btn.active.nerds-active svg { fill: #7ddeff; }
#custom-speed-btn.modified {
color: var(--ytee-speed-color) !important;
background: var(--ytee-speed-bg) !important;
border-color: var(--ytee-speed-border) !important;
}
#custom-speed-btn.modified svg { fill: var(--ytee-speed-color); }
@keyframes ytee-rec-pulse {
0%,100% { box-shadow: 0 0 0 0 rgba(255,60,60,0.7); }
50% { box-shadow: 0 0 0 5px rgba(255,60,60,0); }
}
#custom-clip-btn.recording {
color: #ff4444 !important;
background: var(--ytee-rec-bg) !important;
border-color: var(--ytee-rec-border) !important;
animation: ytee-rec-pulse 1.1s ease-in-out infinite;
}
#custom-clip-btn.recording svg { fill: #ff4444; }
/* Instant Replay button — purple pulse when buffer is filling */
@keyframes ytee-replay-pulse {
0%,100% { box-shadow: 0 0 0 0 rgba(160,80,255,0.7); }
50% { box-shadow: 0 0 0 5px rgba(160,80,255,0); }
}
#custom-replay-btn.buffering {
color: #c084fc !important;
background: rgba(160,80,255,0.15) !important;
border-color: rgba(160,80,255,0.65) !important;
animation: ytee-replay-pulse 2s ease-in-out infinite;
}
#custom-replay-btn.buffering svg { fill: #c084fc; }
/* Feedback States */
@keyframes ytee-btn-bounce {
0%, 100% { transform: scale(1); }
40% { transform: scale(1.25); }
60% { transform: scale(0.95); }
}
.ytee-btn.success {
color: #2ecc71 !important;
background: rgba(46, 204, 113, 0.2) !important;
border-color: rgba(46, 204, 113, 0.6) !important;
animation: ytee-btn-bounce 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
z-index: 20;
}
.ytee-btn.success svg { fill: #2ecc71; }
.ytee-btn.error {
color: #ff4444 !important;
background: rgba(255, 68, 68, 0.2) !important;
border-color: rgba(255, 68, 68, 0.6) !important;
animation: ytee-btn-bounce 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
z-index: 20;
}
.ytee-btn.error svg { fill: #ff4444; }
#custom-settings-modal {
position: fixed; inset: 0;
background: rgba(0,0,0,0.82);
backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
z-index: 10000; display: none;
align-items: center; justify-content: center;
}
#custom-settings-modal.show { display: flex; }
#custom-settings-content {
background: #1e1e1e;
border: 1px solid rgba(255,255,255,0.08);
border-radius: 18px;
padding: 0;
width: min(560px, 94vw);
max-height: 85vh;
display: flex; flex-direction: column;
overflow: hidden;
color: white;
font-family: system-ui, -apple-system, sans-serif;
box-shadow: 0 40px 100px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.02) inset;
animation: ytee-modal-in 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
}
#ytee-settings-header {
padding: 18px 24px 12px;
display: flex; justify-content: space-between; align-items: flex-start;
}
#ytee-settings-header div:first-child { flex: 1; }
#custom-settings-content h2 { margin:0; font-size:18px; font-weight:750; color:#fff; letter-spacing:-0.01em; }
#ytee-settings-subtitle { font-size:11.5px; color:rgba(255,255,255,0.45); margin:2px 0 0; }
/* Tabs */
#ytee-settings-tabs {
display: flex; padding: 0 16px; gap: 4px;
border-bottom: 1px solid rgba(255,255,255,0.07);
}
.ytee-tab {
padding: 10px 15px; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.4);
cursor: pointer; border-bottom: 3px solid transparent; transition: all 0.25s;
user-select: none; display: flex; align-items: center; gap: 6px; border-radius: 8px 8px 0 0;
}
.ytee-tab .ytee-icon svg { width: 14px; height: 14px; }
.ytee-tab .ytee-icon { opacity: 0.5; transition: opacity 0.25s; transform: scale(0.9); }
.ytee-tab:hover { color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.04); }
.ytee-tab.active { color: var(--ytee-accent); border-bottom-color: var(--ytee-accent); }
.ytee-tab.active .ytee-icon { opacity: 1; color: var(--ytee-accent); transform: scale(1); }
#custom-settings-items {
flex: 1; overflow-y: auto; padding: 14px 24px;
scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.15) transparent;
}
#custom-settings-items::-webkit-scrollbar { width: 5px; }
#custom-settings-items::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.15); border-radius:10px; }
.ytee-tab-content { display: none; }
.ytee-tab-content.active { display: block; animation: ytee-modal-in 0.25s ease-out; }
#custom-settings-content h3.setting-section-title {
margin: 10px 0 10px; font-size: 10px; font-weight: 800;
color: rgba(255,255,255,0.3); text-transform: uppercase; letter-spacing: 0.15em;
}
#custom-settings-content .setting-item {
display: flex; align-items: center; justify-content: space-between; gap: 12px;
padding: 12px 16px; margin-bottom: 8px; border-radius: 12px;
background: #282828; border: 1px solid rgba(255,255,255,0.03);
transition: all 0.2s;
}
#custom-settings-content .setting-item:hover { background: #2d2d2d; border-color: rgba(255,255,255,0.08); }
.setting-text { flex: 1; display: flex; flex-direction: column; gap: 1px; }
.setting-title { font-size: 13.5px; font-weight: 700; color: #fff; cursor: pointer; }
.setting-desc { font-size: 11px; color: rgba(255,255,255,0.4); line-height: 1.3; }
.ytee-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.ytee-grid-2 .setting-item { margin-bottom: 0; padding: 10px 14px; }
.ytee-toggle-wrap { position:relative; width:44px; height:24px; flex-shrink:0; }
.ytee-toggle-wrap input { opacity:0; width:0; height:0; position:absolute; }
.ytee-toggle-track {
position:absolute; inset:0; border-radius:99px;
background:rgba(255,255,255,0.12); transition: all 0.25s ease; cursor:pointer;
}
.ytee-toggle-thumb {
position:absolute; top:4px; left:4px; width:16px; height:16px; border-radius:50%;
background:#fff; transition: all 0.25s cubic-bezier(0.23, 1, 0.32, 1);
box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.ytee-toggle-wrap input:checked ~ .ytee-toggle-track { background: var(--ytee-accent); }
.ytee-toggle-wrap input:checked ~ .ytee-toggle-track .ytee-toggle-thumb { transform:translateX(20px); }
#custom-settings-content .hk-input, #custom-settings-content .ytee-quality-select {
width: 120px; padding: 8px 12px;
background: #1a1a1a; border: 1px solid rgba(255,255,255,0.1);
border-radius: 8px; color: #fff; font-size: 12.5px; font-weight: 600;
font-family: ui-monospace, monospace; transition: all 0.2s; text-align: right;
}
#custom-settings-content .hk-input[type="number"] {
-moz-appearance: textfield;
appearance: textfield;
}
#custom-settings-content .hk-input[type="number"]::-webkit-outer-spin-button,
#custom-settings-content .hk-input[type="number"]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
#custom-settings-content .hk-input:focus, #custom-settings-content .ytee-quality-select:focus {
outline:none; border-color:var(--ytee-accent); background: #222;
box-shadow: 0 0 0 3px rgba(var(--ytee-accent-rgb), 0.15);
}
#custom-settings-content input[type="range"] {
-webkit-appearance:none; appearance:none; height:4px; border-radius:99px;
background:rgba(255,255,255,0.1); outline:none; cursor:pointer; width: 140px;
}
#custom-settings-content input[type="range"]::-webkit-slider-thumb {
-webkit-appearance:none; width:16px; height:16px; border-radius:50%; background:#fff;
box-shadow: 0 2px 5px rgba(0,0,0,0.4); transition: transform 0.15s;
}
#custom-settings-content input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.15); }
.ytee-slider-value { font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.6); min-width: 32px; text-align: right; }
#custom-settings-buttons {
display:flex; align-items:center; justify-content:flex-end; gap:10px;
padding:16px 24px; background: rgba(0,0,0,0.15); border-top:1px solid rgba(255,255,255,0.06);
}
#custom-settings-restore {
margin-right:auto; padding:8px 14px; background:transparent; border:1px solid rgba(255,255,255,0.1);
border-radius:8px; color:rgba(255,255,255,0.6); cursor:pointer; font-size:12.5px; font-weight:600;
transition: all 0.2s;
}
#custom-settings-restore:hover { background:rgba(255,255,255,0.05); color:#fff; border-color:rgba(255,255,255,0.2); }
#custom-settings-cancel, #custom-settings-save {
padding:8px 18px; border-radius:8px; font-size:13.5px; font-weight:700; cursor:pointer; transition: all 0.2s;
}
#custom-settings-cancel { background:rgba(255,255,255,0.06); border:none; color:rgba(255,255,255,0.85); }
#custom-settings-cancel:hover { background:rgba(255,255,255,0.12); color:#fff; }
#custom-settings-save {
background: var(--ytee-accent); border: none; color: #000;
}
#custom-settings-save:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(var(--ytee-accent-rgb), 0.3); }
.ytee-quality-select { cursor: pointer; appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='rgba(255,255,255,0.4)'><path d='M0 0l5 6 5-6z'/></svg>"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px !important; }
.ytee-quality-select option { background:#1a1a22; color:white; }
.ytee-quality-select:focus { outline:none; background-color:rgba(119,221,255,0.06); border-color:rgba(119,221,255,0.5); box-shadow:0 0 0 3px rgba(119,221,255,0.1); }
.ytee-quality-select option { background:#1a1a22; color:white; }
.ytee-quality-note { display:block; font-size:11px; color:rgba(255,255,255,0.3); margin:4px 14px 12px; line-height:1.4; font-style:italic; }
/* Info Button and Box */
.ytee-info-btn {
display: flex; align-items: center; justify-content: center;
width: 18px; height: 18px; border-radius: 50%;
background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
color: rgba(255,255,255,0.4); cursor: pointer; transition: all 0.15s;
flex-shrink: 0;
}
.ytee-info-btn:hover { background: rgba(119,221,255,0.12); border-color: rgba(119,221,255,0.35); color: #7ddeff; }
.ytee-info-box {
margin: 4px 10px 14px; padding: 12px 14px;
background: rgba(15, 15, 20, 0.45); border: 1px solid rgba(255,255,255,0.06);
border-radius: 10px; font-size: 11.5px; line-height: 1.6; color: rgba(255,255,255,0.55);
display: none; animation: ytee-modal-in 0.2s ease-out;
}
.ytee-info-box.show { display: block; }
.ytee-info-box strong { color: rgba(119,221,255,0.9); font-weight: 700; margin-right: 4px; font-family: ui-monospace, monospace; }
.ytee-info-box p { margin: 0 0 10px; }
.ytee-info-box p:last-child { margin-bottom: 4px; }
.ytee-info-link { display: inline-block; color: #7ddeff; text-decoration: none; font-size: 10px; opacity: 0.5; transition: opacity 0.2s; margin-top: 4px; }
.ytee-info-link:hover { opacity: 0.9; text-decoration: underline; }
#ytee-settings-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 2px;
}
`
})
);
const SVG_NS = 'http://www.w3.org/2000/svg';
const mkSvgEl = (...pathDefs) => {
const svg = document.createElementNS(SVG_NS, 'svg');
svg.setAttribute('viewBox', '0 0 24 24');
svg.setAttribute('fill', 'currentColor');
svg.style.cssText = 'width:var(--ytee-icon-size,13px);height:var(--ytee-icon-size,13px);flex-shrink:0;';
pathDefs.forEach(def => {
const el = document.createElementNS(SVG_NS, def.tag || 'path');
Object.entries(def.attrs).forEach(([k, v]) => el.setAttribute(k, v));
svg.appendChild(el);
});
return svg;
};
const ICON_DEFS = {
wl: () => mkSvgEl({ tag: 'path', attrs: { d: 'M17 3H7c-1.1 0-2 .9-2 2v16l7-3 7 3V5c0-1.1-.9-2-2-2z' } }),
url: () => mkSvgEl({ tag: 'path', attrs: { d: 'M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z' } }),
screenshot: () => mkSvgEl({ tag: 'path', attrs: { d: 'M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z' } }),
clip: () => mkSvgEl({ tag: 'circle', attrs: { cx: '12', cy: '12', r: '7' } }),
rewind: () => mkSvgEl({ tag: 'path', attrs: { d: 'M12 5V1L7 6l5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6H4c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z' } }),
pip: () => mkSvgEl(
{ tag: 'path', attrs: { d: 'M19 7H5c-1.1 0-2 .9-2 2v6c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V9c0-1.1-.9-2-2-2zm-9 5v-1.5l4 2-4 2V12z' } },
{ tag: 'path', attrs: { d: 'M23 5h-2v14h2V5zM1 5v14h2V5H1z' } }
),
stats: () => mkSvgEl({ tag: 'path', attrs: { d: 'M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-7 3c1.93 0 3.5 1.57 3.5 3.5S13.93 13 12 13s-3.5-1.57-3.5-3.5S10.07 6 12 6zm7 13H5v-.23c0-.62.28-1.2.76-1.58C7.47 15.82 9.64 15 12 15s4.53.82 6.24 2.19c.48.38.76.97.76 1.58V19z' } }),
settings: () => mkSvgEl({ tag: 'path', attrs: { d: 'M19.14 12.94c.04-.3.06-.61.06-.94 0-.32-.02-.64-.07-.94l2.03-1.58c.18-.14.23-.41.12-.61l-1.92-3.32c-.12-.22-.37-.29-.59-.22l-2.39.96c-.5-.38-1.03-.7-1.62-.94l-.36-2.54c-.04-.24-.24-.41-.48-.41h-3.84c-.24 0-.43.17-.47.41l-.36 2.54c-.59.24-1.13.57-1.62.94l-2.39-.96c-.22-.08-.47 0-.59.22L2.74 8.87c-.12.21-.08.47.12.61l2.03 1.58c-.05.3-.09.63-.09.94s.02.64.07.94l-2.03 1.58c-.18.14-.23.41-.12.61l1.92 3.32c.12.22.37.29.59.22l2.39-.96c.5.38 1.03.7 1.62.94l.36 2.54c.05.24.24.41.48.41h3.84c.24 0 .44-.17.47-.41l.36-2.54c.59-.24 1.13-.56 1.62-.94l2.39.96c.22.08.47 0 .59-.22l1.92-3.32c.12-.22.07-.47-.12-.61l-2.01-1.58zM12 15.6c-1.98 0-3.6-1.62-3.6-3.6s1.62-3.6 3.6-3.6 3.6 1.62 3.6 3.6-1.62 3.6-3.6 3.6z' } }),
speed: () => mkSvgEl({ tag: 'path', attrs: { d: 'M10 8v8l6-4-6-4zm6.5-4.5l-1.5 1.5C16.78 6.76 18 9.24 18 12s-1.22 5.24-3 6.99l1.5 1.5C18.77 18.12 20 15.2 20 12s-1.23-6.12-3.5-8.5zM7.5 5.5L6 4C3.23 6.38 2 9.3 2 12s1.23 5.62 4 8l1.5-1.5C5.22 16.76 4 14.29 4 12s1.22-5.24 3.5-6.5z' } }),
hide: () => mkSvgEl({ tag: 'path', attrs: { d: 'M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z' } }),
expand: () => mkSvgEl({ tag: 'path', attrs: { d: 'M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z' } }),
info: () => mkSvgEl({ tag: 'path', attrs: { d: 'M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z' } }),
thumb: () => mkSvgEl({ tag: 'path', attrs: { d: 'M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V5h14v14zm-5.04-6.71l-2.75 3.54-1.96-2.36L6.5 17h11l-3.54-4.71z' } }),
avatar: () => mkSvgEl({ tag: 'path', attrs: { d: 'M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z' } }),
general: () => mkSvgEl({ tag: 'path', attrs: { d: 'M3 17v2h6v-2H3zM3 5v2h10V5H3zm10 16v-2h8v-2h-8v-2h-2v6h2zM7 9v2H3v2h4v2h2V9H7zm14 4v-2H11v2h10zm-6-4h2V7h4V5h-4V3h-2v6z' } }),
tools: () => mkSvgEl({ tag: 'path', attrs: { d: 'M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.5 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z' } }),
interface: () => mkSvgEl({ tag: 'path', attrs: { d: 'M4 11h5V5H4v6zm0 7h5v-6H4v6zm6 0h5v-6h-5v6zm6 0h5v-6h-5v6zm-6-7h5V5h-5v6zm6-6v6h5V5h-5z' } }),
hotkeys: () => mkSvgEl({ tag: 'path', attrs: { d: 'M20 5H4c-1.1 0-1.99.9-1.99 2L2 17c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm-9 3h2v2h-2V8zm0 3h2v2h-2v-2zM8 8h2v2H8V8zm0 3h2v2H8v-2zm-1 2H5v-2h2v2zm0-3H5V8h2v2zm9 7H8v-2h8v2zm0-4h-2v-2h2v2zm0-3h-2V8h2v2zm3 3h-2v-2h2v2zm0-3h-2V8h2v2z' } }),
download: () => mkSvgEl({ tag: 'path', attrs: { d: 'M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z' } }),
};
const mkBtn = (id, iconKey, labelText, tipText, titleText, isCollapsible = true) => {
const btn = document.createElement('button');
btn.id = id;
btn.className = 'ytee-btn' + (isCollapsible ? ' ytee-collapsible' : '');
btn.title = titleText || labelText;
btn.dataset.tip = tipText || labelText;
btn.dataset.defaultLabel = labelText;
btn.dataset.defaultTip = tipText || labelText;
btn.setAttribute('aria-label', labelText);
const iconSpan = document.createElement('span');
iconSpan.className = 'ytee-icon';
iconSpan.appendChild(ICON_DEFS[iconKey]());
const labelSpan = document.createElement('span');
labelSpan.className = 'ytee-label';
labelSpan.textContent = labelText;
btn.appendChild(iconSpan);
btn.appendChild(labelSpan);
return btn;
};
const waitForVideo = (callback, timeoutMs = 15000) => {
const existing = document.querySelector("video");
if (existing) { callback(existing); return; }
const start = Date.now();
const interval = setInterval(() => {
const v = document.querySelector("video");
if (v) { clearInterval(interval); callback(v); return; }
if (Date.now() - start >= timeoutMs) {
clearInterval(interval);
console.warn('YTEE: video element never appeared');
}
}, 200);
};
// Settings
const defaultSettings = {
buttons: { wl: true, url: true, thumb: false, pfp: false, screenshot: true, clip: true, replay: true, pip: true, speed: true, stats: true, vol: true },
hotkeys: {
toggleMute: 'm',
toggleStats: 'shift+s',
toggleMiniStats: 'alt+s',
increaseSpeed: '.',
decreaseSpeed: ',',
increaseSpeedFine: 'shift+.',
decreaseSpeedFine: 'shift+,',
volumeUp: 'arrowup',
volumeDown: 'arrowdown',
toggleSettings: 'q',
},
volumeBoostLevel: 1,
enableVolumeBoost: true,
enableScrollVolume: true,
enableVolumeCache: true,
volumeStep: 5,
initialVolume: 100,
clipDuration: 5,
clipDurationCtrl: 300,
instantReplayDuration: 30,
instantReplayQuality: 'medium',
preferredQuality: 'auto',
compactMode: false,
isCollapsed: false,
highContrastUI: false,
playbackSpeed: 1,
volumeCache: {},
miniStatsCache: {},
miniStatsPos: null,
};
const loadStoredSettings = () => {
try {
if (typeof GM_getValue === 'function') {
const v = GM_getValue('ytee-settings', null);
if (v) return typeof v === 'string' ? JSON.parse(v) : v;
}
} catch (e) { console.warn('GM_getValue failed', e); }
try { const r = localStorage.getItem('ytee-settings'); if (r) return JSON.parse(r); } catch (e) { }
return null;
};
const saveStoredSettings = (s) => {
try { if (typeof GM_setValue === 'function') GM_setValue('ytee-settings', JSON.stringify(s)); } catch (e) { }
try { localStorage.setItem('ytee-settings', JSON.stringify(s)); } catch (e) { }
};
let currentSettings = loadStoredSettings() || defaultSettings;
const normalizeSettings = (s) => {
if (!s || typeof s !== 'object') return JSON.parse(JSON.stringify(defaultSettings));
const rs = {
buttons: Object.assign({}, defaultSettings.buttons, s.buttons),
hotkeys: Object.assign({}, defaultSettings.hotkeys, s.hotkeys),
volumeBoostLevel: typeof s.volumeBoostLevel === 'number' ? s.volumeBoostLevel
: s.volumeBoost === true ? 1.5 : defaultSettings.volumeBoostLevel,
enableVolumeBoost: typeof s.enableVolumeBoost === 'boolean' ? s.enableVolumeBoost : defaultSettings.enableVolumeBoost,
enableScrollVolume: typeof s.enableScrollVolume === 'boolean' ? s.enableScrollVolume : defaultSettings.enableScrollVolume,
enableVolumeCache: typeof s.enableVolumeCache === 'boolean' ? s.enableVolumeCache : defaultSettings.enableVolumeCache,
initialVolume: typeof s.initialVolume === 'number' ? Math.min(100, Math.max(0, s.initialVolume)) : defaultSettings.initialVolume,
volumeStep: typeof s.volumeStep === 'number' ? Math.min(100, Math.max(1, s.volumeStep)) : defaultSettings.volumeStep,
clipDuration: typeof s.clipDuration === 'number' ? Math.min(300, Math.max(1, s.clipDuration)) : defaultSettings.clipDuration,
clipDurationCtrl: typeof s.clipDurationCtrl === 'number' ? Math.min(300, Math.max(1, s.clipDurationCtrl)) : defaultSettings.clipDurationCtrl,
instantReplayDuration: typeof s.instantReplayDuration === 'number' ? Math.min(60, Math.max(1, s.instantReplayDuration)) : defaultSettings.instantReplayDuration,
instantReplayQuality: typeof s.instantReplayQuality === 'string' ? s.instantReplayQuality : defaultSettings.instantReplayQuality,
preferredQuality: typeof s.preferredQuality === 'string' ? s.preferredQuality : defaultSettings.preferredQuality,
compactMode: typeof s.compactMode === 'boolean' ? s.compactMode : (typeof s.labelMode === 'boolean' ? !s.labelMode : defaultSettings.compactMode),
isCollapsed: typeof s.isCollapsed === 'boolean' ? s.isCollapsed : defaultSettings.isCollapsed,
highContrastUI: typeof s.highContrastUI === 'boolean' ? s.highContrastUI : defaultSettings.highContrastUI,
playbackSpeed: typeof s.playbackSpeed === 'number' ? Math.min(16, Math.max(0.1, s.playbackSpeed)) : defaultSettings.playbackSpeed,
volumeCache: (typeof s.volumeCache === 'object' && (typeof s.enableVolumeCache === 'boolean' ? s.enableVolumeCache : defaultSettings.enableVolumeCache)) ? s.volumeCache : {},
miniStatsCache: typeof s.miniStatsCache === 'object' ? s.miniStatsCache : defaultSettings.miniStatsCache,
miniStatsPos: s.miniStatsPos || defaultSettings.miniStatsPos,
};
// memory remembers 30
['volumeCache', 'miniStatsCache'].forEach(cacheKey => {
const keys = Object.keys(rs[cacheKey]);
if (keys.length > 30) {
keys.slice(0, keys.length - 30).forEach(k => delete rs[cacheKey][k]);
}
});
return rs;
};
const applyUIStates = (settings) => {
document.documentElement.dataset.yteeLabels = settings.compactMode ? '0' : '1';
document.documentElement.dataset.yteeHighContrast = settings.highContrastUI ? '1' : '0';
const group = document.getElementById('custom-btn-group');
if (group) {
group.classList.toggle('collapsed', !!settings.isCollapsed);
const tBtn = document.getElementById('custom-toggle-btn');
if (tBtn) {
const iconSpan = tBtn.querySelector('.ytee-icon');
if (iconSpan) {
while (iconSpan.firstChild) iconSpan.removeChild(iconSpan.firstChild);
iconSpan.appendChild(ICON_DEFS[settings.isCollapsed ? 'expand' : 'hide']());
}
setBtnLabel(tBtn, '', settings.isCollapsed ? 'Expand UI' : 'Collapse UI');
}
}
};
currentSettings = normalizeSettings(currentSettings);
applyUIStates(currentSettings);
// file naming
const getVideoAuthor = (player) => {
if (player && typeof player.getVideoData === 'function') {
const data = player.getVideoData();
if (data?.author) return data.author.replace(/[<>:"/\\|?*\x00-\x1F]/g, '').trim();
}
const authorEl = document.querySelector('.ytp-title-channel-name, .ytp-title-expanded-title .ytp-title-link');
if (authorEl && authorEl.textContent) return authorEl.textContent.replace(/[<>:"/\\|?*\x00-\x1F]/g, '').trim();
return 'YouTube';
};
const formatTimestamp = (currentTime) => {
const timeMs = Math.floor(currentTime * 1000);
const mins = Math.floor(timeMs / 60000).toString().padStart(2, '0');
const secs = Math.floor((timeMs % 60000) / 1000).toString().padStart(2, '0');
const ms = (timeMs % 1000).toString().padStart(3, '0');
return `${mins}-${secs}-${ms}`;
};
const getVideoId = (p) => {
if (p && typeof p.getVideoData === 'function') {
const id = p.getVideoData()?.video_id;
if (id) return id;
}
return window.location.pathname.split('/').pop().split('?')[0].split('#')[0];
};
const setBtnLabel = (btn, text, tipText) => {
const label = btn.querySelector('.ytee-label');
if (label) label.textContent = (text !== undefined && text !== null) ? text : btn.dataset.defaultLabel;
btn.dataset.tip = (tipText !== undefined && tipText !== null) ? tipText : btn.dataset.defaultTip;
};
const flashBtnState = (btn, state, duration = 1500) => {
btn.classList.add(state);
setTimeout(() => btn.classList.remove(state), duration);
};
const downloadUrlAsFile = (url, baseFilename) => {
if (typeof GM_xmlhttpRequest === 'undefined') { window.open(url, '_blank'); return; }
GM_xmlhttpRequest({
method: 'GET', url: url, responseType: 'blob',
onload: (res) => {
if (res.status === 200) {
const blob = res.response;
const mime = blob.type || '';
let ext = 'jpg';
if (mime.includes('png')) ext = 'png';
else if (mime.includes('webp')) ext = 'webp';
else if (mime.includes('gif')) ext = 'gif';
const objUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = objUrl; a.download = `${baseFilename}.${ext}`; a.click();
URL.revokeObjectURL(objUrl);
} else { window.open(url, '_blank'); }
},
onerror: () => { window.open(url, '_blank'); }
});
};
// Main
waitForVideo((video) => {
if (isChat() || (video.offsetWidth === 0 && video.offsetHeight === 0)) return;
if (!document.fullscreenEnabled && window.self !== window.top) {
const handleRequest = function () {
window.parent.postMessage({ type: 'YTEE_REQUEST_FULLSCREEN' }, '*');
return Promise.resolve();
};
const proto = Element.prototype;
['requestFullscreen', 'webkitRequestFullscreen', 'mozRequestFullScreen', 'msRequestFullscreen'].forEach(m => {
if (proto[m]) proto[m] = handleRequest;
});
if (HTMLVideoElement.prototype.webkitEnterFullscreen) HTMLVideoElement.prototype.webkitEnterFullscreen = handleRequest;
}
let targetVolume = video.volume;
let targetMuted = video.muted;
let volumeLockUntil = 0;
const VOLUME_LOCK_MS = 300;
const uw = typeof unsafeWindow !== 'undefined' ? unsafeWindow : window;
let cachedPlayer = null;
let playerCacheTime = 0;
const PLAYER_CACHE_TTL = 1000;
const getPlayer = () => {
if (cachedPlayer && cachedPlayer.isConnected) return cachedPlayer;
const now = Date.now();
if (now - playerCacheTime < PLAYER_CACHE_TTL) return cachedPlayer;
playerCacheTime = now;
cachedPlayer = uw.document.getElementById("movie_player") || uw.document.querySelector(".html5-video-player");
return cachedPlayer;
};
const QUALITY_LABELS = {
auto: 'Auto (YouTube decides)', hd2160: '4K (2160p)', hd1440: '1440p',
hd1080: '1080p', hd720: '720p', large: '480p', medium: '360p', small: '240p', tiny: '144p',
};
const QUALITY_ORDER = ['hd2160', 'hd1440', 'hd1080', 'hd720', 'large', 'medium', 'small', 'tiny'];
const applyQuality = () => {
const pref = currentSettings.preferredQuality;
if (!pref || pref === 'auto') return;
const p = getPlayer();
if (!p) return;
try {
if (typeof p.setPlaybackQualityRange === 'function') p.setPlaybackQualityRange(pref, pref);
if (typeof p.setPlaybackQuality === 'function') p.setPlaybackQuality(pref);
} catch (e) { console.warn('YTEE: applyQuality failed', e); }
};
let lastHolodexStatus = 'unknown';
const hookPlayerEvents = () => {
const p = getPlayer();
if (!p || typeof p.addEventListener !== 'function') return;
p.addEventListener('onStateChange', (state) => {
if (state === 1 || state === 3) applyQuality();
if (state === 1) sessionStorage.setItem('ytee-reload-count', '0');
});
};
let qualityHookAttempts = 0;
const tryHookQuality = () => {
const p = getPlayer();
if (p && typeof p.addEventListener === 'function') { hookPlayerEvents(); applyQuality(); }
else if (qualityHookAttempts < 20) { qualityHookAttempts++; setTimeout(tryHookQuality, 500); }
};
tryHookQuality();
let scriptChangeDepth = 0;
let playerReady = false;
setTimeout(() => { playerReady = true; }, 2500);
let audioContext = null, gainNode = null, recordingGain = null, mediaSource = null, virtualMuted = video.muted, audioSetupFailed = false;
let activeStream = null, clipAudioDestination = null, audioHooked = false;
let volTimeout, speedTimeout, controlsTimeout, clipRafId = null;
let lastMouseMoveTime = 0;
const MOUSE_THROTTLE_MS = 100;
const RecordingState = { IDLE: 'idle', CLIPPING: 'clipping', REPLAYING: 'replaying' };
let activeRecordingState = RecordingState.IDLE;
const getBoostLevel = () => currentSettings.enableVolumeBoost ? Math.max(1, Number(currentSettings.volumeBoostLevel) || 1) : 1;
// Volume
const setupWebAudio = () => {
if (gainNode || audioSetupFailed || !(window.AudioContext || window.webkitAudioContext)) return;
if (audioContext && audioContext.state === 'closed') return;
try {
const AudioCtor = window.AudioContext || window.webkitAudioContext;
if (!audioContext) audioContext = new AudioCtor();
if (!mediaSource) mediaSource = audioContext.createMediaElementSource(video);
gainNode = audioContext.createGain();
mediaSource.connect(gainNode);
gainNode.connect(audioContext.destination);
recordingGain = audioContext.createGain();
recordingGain.gain.value = 1.0;
mediaSource.connect(recordingGain);
if (audioContext.state === 'suspended') audioContext.resume().catch(() => { });
} catch (e) {
console.warn('Web Audio setup failed', e);
gainNode = null; recordingGain = null;
audioSetupFailed = true;
}
};
const setGain = () => {
if (!gainNode || !audioContext) return;
if (audioContext.state === 'suspended') audioContext.resume().catch(() => { });
gainNode.gain.setTargetAtTime(getBoostLevel(), audioContext.currentTime, 0.01);
};
const applyAudioState = (volume, muted) => {
if (!audioHooked) {
audioHooked = true;
['click', 'keydown', 'touchstart'].forEach(ev => {
window.addEventListener(ev, () => {
if (audioContext && audioContext.state === 'suspended') audioContext.resume().catch(() => { });
}, { once: true, capture: true });
});
}
scriptChangeDepth++;
volumeLockUntil = Date.now() + VOLUME_LOCK_MS;
try {
targetVolume = Math.min(1, Math.max(0, volume));
targetMuted = muted;
virtualMuted = muted;
if (currentSettings.enableVolumeBoost && getBoostLevel() > 1) {
if (!audioContext || audioContext.state === 'closed') {
audioSetupFailed = false;
gainNode = null;
mediaSource = null;
}
if (!gainNode) setupWebAudio();
}
const p = getPlayer();
if (targetMuted) {
if (p && typeof p.mute === 'function') p.mute(); else video.muted = true;
} else {
if (p && typeof p.unMute === 'function') p.unMute(); else video.muted = false;
if (p && typeof p.setVolume === 'function') p.setVolume(Math.round(targetVolume * 100)); else video.volume = targetVolume;
}
if (currentSettings.enableVolumeBoost && gainNode) {
setGain();
}
} finally { scriptChangeDepth--; }
};
const applyVolume = (newVol) => {
const clamped = Math.min(1, Math.max(0, Math.round(newVol * 100) / 100));
applyAudioState(clamped, clamped === 0);
vol.value = clamped;
showVolumePercent(clamped === 0 ? 0 : clamped);
const vid = getVideoId(getPlayer());
if (vid && currentSettings.enableVolumeCache) {
currentSettings.volumeCache[vid] = clamped;
saveStoredSettings(currentSettings);
}
};
const toggleMute = () => {
const newMuted = !targetMuted;
applyAudioState(targetVolume, newMuted);
muteBtn.classList.toggle("muted", newMuted);
showVolumePercent(newMuted ? 0 : targetVolume);
};
// Overlays
const volPct = Object.assign(document.createElement("div"), { id: "custom-vol-overlay" });
const showVolumePercent = (volume) => {
const text = Math.round(volume * 100) + "%";
if (volPct.textContent !== text) volPct.textContent = text;
volPct.classList.add("show");
clearTimeout(volTimeout);
volTimeout = setTimeout(() => volPct.classList.remove("show"), 1500);
};
const speedOverlay = Object.assign(document.createElement("div"), { id: "custom-speed-overlay" });
const showSpeedOverlay = (rate) => {
const text = rate + "x";
if (speedOverlay.textContent !== text) speedOverlay.textContent = text;
speedOverlay.classList.add("show");
clearTimeout(speedTimeout);
speedTimeout = setTimeout(() => speedOverlay.classList.remove("show"), 1500);
};
// Mute button
const muteBtn = Object.assign(document.createElement("button"), { id: "custom-mute-btn" });
muteBtn.addEventListener("click", toggleMute);
// Volume slider
const vol = Object.assign(document.createElement("input"), {
id: "custom-vol-slider", type: "range", min: 0, max: 1, step: 0.01, value: video.volume,
});
vol.addEventListener("input", () => applyVolume(Number(vol.value)));
video.addEventListener("volumechange", () => {
if (scriptChangeDepth > 0) return;
if (!playerReady) return;
if (Date.now() < volumeLockUntil) return;
const newMuted = video.muted;
const newVol = video.volume;
targetMuted = newMuted;
if (!newMuted) targetVolume = newVol;
muteBtn.classList.toggle("muted", targetMuted);
const displayVol = targetMuted ? 0 : targetVolume;
if (Number(vol.value) !== displayVol) vol.value = displayVol;
if (gainNode) setGain();
showVolumePercent(displayVol);
const vid = getVideoId(getPlayer());
if (vid && currentSettings.enableVolumeCache) {
currentSettings.volumeCache[vid] = targetVolume;
saveStoredSettings(currentSettings);
}
});
let isHoveringSpeedBtn = false;
let pendingWheelDelta = 0, wheelRafId = 0, lastWheelShift = false;
const onWheel = (e) => {
if (isSettingsOpen) {
if (settingsContent.contains(e.target)) return;
e.stopImmediatePropagation(); e.preventDefault(); return;
}
const shouldHandleSpeed = isHoveringSpeedBtn;
const shouldHandleVolume = currentSettings.enableScrollVolume && !isHoveringSpeedBtn;
if (!shouldHandleSpeed && !shouldHandleVolume) return;
e.preventDefault();
pendingWheelDelta += e.deltaY;
lastWheelShift = e.shiftKey;
if (wheelRafId) return;
wheelRafId = requestAnimationFrame(() => {
const delta = pendingWheelDelta;
const isShift = lastWheelShift;
pendingWheelDelta = 0;
wheelRafId = 0;
if (shouldHandleSpeed) {
const step = isShift ? SPEED_STEP_FINE : SPEED_STEP;
applySpeed(targetSpeed + (delta > 0 ? -step : step));
} else if (shouldHandleVolume) {
applyVolume(targetVolume + (delta > 0 ? -(currentSettings.volumeStep / 100) : (currentSettings.volumeStep / 100)));
}
});
};
window.addEventListener("wheel", onWheel, { passive: false });
// Stats
let isStatsOpen = false, isMiniStatsOpen = false, miniStatsInterval = null;
const miniStats = Object.assign(document.createElement("div"), { id: "custom-mini-stats" });
const statsBtn = mkBtn('custom-stats-btn', 'stats', 'Stats', 'Stats (Ctrl = Mini)', 'Stats for Nerds (Shift+S)');
// Dragging
let isDragging = false, startX, startY, startL, startT;
miniStats.addEventListener('mousedown', (e) => {
if (e.button !== 0) return;
isDragging = true;
startX = e.clientX; startY = e.clientY;
const rect = miniStats.getBoundingClientRect();
startL = rect.left; startT = rect.top;
miniStats.style.transition = 'none';
e.preventDefault();
});
window.addEventListener('mousemove', (e) => {
if (!isDragging) return;
const x = startL + (e.clientX - startX);
const y = startT + (e.clientY - startY);
miniStats.style.left = x + 'px';
miniStats.style.top = y + 'px';
miniStats.style.bottom = 'auto';
}, { passive: true });
window.addEventListener('mouseup', () => {
if (!isDragging) return;
isDragging = false;
miniStats.style.transition = '';
const rect = miniStats.getBoundingClientRect();
const pL = rect.left / window.innerWidth;
const pT = rect.top / window.innerHeight;
currentSettings.miniStatsPos = { pL, pT };
saveStoredSettings(currentSettings);
});
const applyMiniStatsPos = () => {
if (!currentSettings.miniStatsPos || isDragging) return;
const { pL, pT } = currentSettings.miniStatsPos;
const w = window.innerWidth, h = window.innerHeight;
const rect = miniStats.getBoundingClientRect();
const x = Math.max(0, Math.min(w - rect.width, pL * w));
const y = Math.max(0, Math.min(h - rect.height, pT * h));
Object.assign(miniStats.style, { left: x + 'px', top: y + 'px', bottom: 'auto' });
};
applyMiniStatsPos();
const miniStatsParts = {}, miniStatsWrappers = {};
(() => {
const mkPart = (key, label) => {
const wrap = document.createElement('div');
const b = document.createElement('b'); b.textContent = label;
const s = document.createElement('span'); s.textContent = '-';
wrap.append(b, s);
miniStats.appendChild(wrap);
miniStatsParts[key] = s;
miniStatsWrappers[key] = wrap;
};
mkPart('bandwidth', 'Speed');
mkPart('buffer', 'Buffer');
mkPart('latency', 'Latency');
mkPart('dropped', 'Drop');
mkPart('views', 'Watching');
})();
let lastWatcherTime = 0;
let isFetchingViewers = false;
const formatViewers = (n) => {
if (n >= 1000000) return (n / 1000000).toFixed(1) + 'M';
if (n >= 1000) return (n / 1000).toFixed(1) + 'K';
return String(n);
};
const fetchViewers = (videoId) => {
const url = `https://holodex.net/api/v2/videos/${videoId}?include=live_info`;
return new Promise((resolve) => {
if (typeof GM_xmlhttpRequest === 'undefined') return resolve({ v: '-', live: false });
GM_xmlhttpRequest({
method: 'GET', url: url, anonymous: true,
headers: { "Referer": "https://holodex.net/", "Origin": "https://holodex.net" },
onload: (r) => {
if (r.status === 200) {
try {
const json = JSON.parse(r.responseText);
lastHolodexStatus = json.status || 'unknown';
const v = json.live_viewers;
resolve({ v: v && v > 0 ? formatViewers(v) : '-', live: lastHolodexStatus === 'live' });
} catch (e) { resolve({ v: '-', live: false }); }
} else { resolve({ v: '-', live: false }); }
},
onerror: () => resolve({ v: '-', live: false }),
timeout: 8000
});
});
};
const updateMiniStats = () => {
if (!isMiniStatsOpen) return;
try {
const p = getPlayer();
if (!p) return;
const stats = typeof p.getStatsForNerds === 'function' ? p.getStatsForNerds() : null;
let buffer = null;
if (stats?.buffer_health_seconds) {
buffer = parseFloat(stats.buffer_health_seconds).toFixed(2);
} else if (video.buffered.length > 0) {
buffer = (video.buffered.end(video.buffered.length - 1) - video.currentTime).toFixed(2);
}
let latency = null;
if (stats?.live_latency_secs) {
latency = parseFloat(stats.live_latency_secs);
}
if (latency == null || latency > 1000) {
const isLive = p.getVideoData?.().isLive;
if (isLive) {
const seekable = video.seekable;
if (seekable?.length > 0) {
const edge = seekable.end(seekable.length - 1);
if (edge - video.currentTime < 1000) latency = Math.max(0, edge - video.currentTime);
}
if (latency == null || latency > 1000) {
const dur = p.getDuration?.();
if (dur > 0 && dur - video.currentTime < 1000) latency = Math.max(0, dur - video.currentTime);
}
}
}
// Dropped frames
const dropped = video.getVideoPlaybackQuality()?.droppedVideoFrames ?? 0;
const formattedLatency = latency != null ? latency.toFixed(2) : 'N/A';
const dCount = Number(dropped);
let dColor = '';
if (dCount > 0 && dCount <= 100) dColor = '#3498db';
else if (dCount > 100 && dCount <= 250) dColor = '#f1c40f';
else if (dCount > 250 && dCount <= 350) dColor = '#e67e22';
else if (dCount > 350) dColor = '#e74c3c';
let bandwidth = 'N/A';
if (stats?.bandwidth_kbps) {
const kbps = parseFloat(stats.bandwidth_kbps);
if (!isNaN(kbps)) {
bandwidth = kbps >= 1000
? (kbps / 1000).toFixed(1) + ' Mbps'
: Math.round(kbps) + ' Kbps';
}
}
miniStatsParts.bandwidth.textContent = bandwidth;
miniStatsParts.buffer.textContent = buffer != null ? buffer + 's' : 'N/A';
miniStatsParts.latency.textContent = formattedLatency !== 'N/A' ? formattedLatency + 's' : 'N/A';
miniStatsParts.dropped.textContent = dropped;
miniStatsParts.dropped.style.color = dColor;
const now = Date.now();
const viewsText = miniStatsParts.views.textContent.trim();
const isInitial = viewsText === '-' || viewsText === '';
if (!isFetchingViewers && now - lastWatcherTime >= (isInitial ? 5000 : 90000)) {
lastWatcherTime = now;
const videoId = getVideoId(p);
if (videoId && videoId.length > 5) {
isFetchingViewers = true;
fetchViewers(videoId).then(res => {
if (res.v && res.v !== '-') miniStatsParts.views.textContent = res.v;
if (miniStatsWrappers.views) {
miniStatsWrappers.views.style.display = (lastHolodexStatus === 'past') ? 'none' : '';
}
}).finally(() => {
isFetchingViewers = false;
});
}
}
} catch (e) {
console.error('YTEE: updateMiniStats failed', e);
}
};
const toggleMiniStats = () => {
isMiniStatsOpen = !isMiniStatsOpen;
miniStats.classList.toggle("show", isMiniStatsOpen);
statsBtn.classList.toggle("active", isMiniStatsOpen);
clearInterval(miniStatsInterval);
miniStatsInterval = null;
if (isMiniStatsOpen) {
lastWatcherTime = 0;
isFetchingViewers = false;
updateMiniStats();
miniStatsInterval = setInterval(updateMiniStats, 2000);
}
const vid = getVideoId(getPlayer());
if (vid) {
currentSettings.miniStatsCache[vid] = isMiniStatsOpen;
saveStoredSettings(currentSettings);
}
};
const toggleStats = (e) => {
if (e && e.ctrlKey) { toggleMiniStats(); return; }
const p = getPlayer();
if (!p) return;
if (isStatsOpen && p.hideVideoInfo) { p.hideVideoInfo(); isStatsOpen = false; }
else if (p.showVideoInfo) { p.showVideoInfo(); isStatsOpen = true; }
statsBtn.classList.toggle("nerds-active", isStatsOpen);
};
statsBtn.addEventListener("click", toggleStats);
// Speed
const SPEED_MIN = 0.1, SPEED_MAX = 16, SPEED_STEP = 0.1, SPEED_STEP_FINE = 0.01, SPEED_DEFAULT = 1;
let targetSpeed = Math.round((video.playbackRate || SPEED_DEFAULT) * 100) / 100;
const speedBtn = mkBtn('custom-speed-btn', 'speed', targetSpeed + 'x', 'Speed', 'Playback Speed');
const updateSpeedBtnText = (rate) => {
setBtnLabel(speedBtn, rate + 'x', `Speed: ${rate}x`);
};
const applySpeed = (rate) => {
targetSpeed = Math.round(Math.min(SPEED_MAX, Math.max(SPEED_MIN, rate)) * 100) / 100;
if (video.playbackRate !== targetSpeed) video.playbackRate = targetSpeed;
updateSpeedBtnText(targetSpeed);
speedBtn.classList.toggle("modified", targetSpeed !== 1);
showSpeedOverlay(targetSpeed);
const speedInput = document.getElementById('ytee-precise-speed');
if (speedInput && parseFloat(speedInput.value) !== targetSpeed) speedInput.value = targetSpeed;
};
speedBtn.addEventListener("click", (e) => {
const step = e.shiftKey ? SPEED_STEP_FINE : SPEED_STEP;
const next = targetSpeed + step;
applySpeed(next > SPEED_MAX ? SPEED_MIN : next);
});
speedBtn.addEventListener("contextmenu", (e) => { e.preventDefault(); applySpeed(SPEED_DEFAULT); });
speedBtn.addEventListener("mouseenter", () => { isHoveringSpeedBtn = true; });
speedBtn.addEventListener("mouseleave", () => { isHoveringSpeedBtn = false; });
// Snap
const screenshotBtn = mkBtn('custom-screenshot-btn', 'screenshot', 'Snap', 'Take Screenshot (Ctrl = Save)');
screenshotBtn.addEventListener("click", (e) => {
const canvas = document.createElement("canvas");
canvas.width = video.videoWidth; canvas.height = video.videoHeight;
canvas.getContext("2d", { alpha: false }).drawImage(video, 0, 0);
const author = getVideoAuthor(getPlayer());
const timestamp = formatTimestamp(video.currentTime);
canvas.toBlob((blob) => {
if (!blob) return;
const download = () => {
const objUrl = URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = objUrl;
a.download = `${author}_${timestamp}.png`;
a.click();
URL.revokeObjectURL(objUrl);
};
if (e.ctrlKey) download();
if (navigator.clipboard && typeof ClipboardItem !== "undefined") {
navigator.clipboard.write([new ClipboardItem({ "image/png": blob })])
.then(() => {
setBtnLabel(screenshotBtn, e.ctrlKey ? '✓ Saved!' : '✓ Copied!');
flashBtnState(screenshotBtn, 'success');
setTimeout(() => setBtnLabel(screenshotBtn), 1500);
})
.catch(() => {
if (!e.ctrlKey) download();
setBtnLabel(screenshotBtn, '✓ Saved!');
flashBtnState(screenshotBtn, 'success');
setTimeout(() => setBtnLabel(screenshotBtn), 1500);
});
} else {
if (!e.ctrlKey) download();
setBtnLabel(screenshotBtn, '✓ Saved!');
flashBtnState(screenshotBtn, 'success');
setTimeout(() => setBtnLabel(screenshotBtn), 1500);
}
}, "image/png");
});
// Clip
const clipOverlay = Object.assign(document.createElement('div'), { id: 'custom-clip-overlay' });
const clipBtn = mkBtn('custom-clip-btn', 'clip', 'Clip', 'Record Clip (Ctrl = Long)');
let clipRecorder = null;
const remuxToMp4 = async (chunks, mimeType) => {
if (typeof Mediabunny === 'undefined') {
throw new Error('Mediabunny library not loaded');
}
const blobs = chunks
.map(c => c.data)
.filter(b => b instanceof Blob && b.size > 0);
if (blobs.length === 0) throw new Error('remuxToMp4: no valid chunks to remux');
const rawBlob = new Blob(blobs, { type: mimeType });
const { Input, Output, Conversion, BlobSource, BufferTarget, ALL_FORMATS, Mp4OutputFormat } = Mediabunny;
const input = new Input({
source: new BlobSource(rawBlob),
formats: ALL_FORMATS,
});
const output = new Output({
format: new Mp4OutputFormat(),
target: new BufferTarget(),
});
const conversion = await Conversion.init({ input, output });
await conversion.execute();
return new Blob([output.target.buffer], { type: 'video/mp4' });
};
const stopClip = (cancelled) => {
if (!clipRecorder) return;
activeRecordingState = RecordingState.IDLE;
if (clipRecorder.state !== 'inactive') clipRecorder.stop();
clipRecorder = null;
if (activeStream) { activeStream.getTracks().forEach(t => t.stop()); activeStream = null; }
if (clipAudioDestination) {
if (recordingGain) try { recordingGain.disconnect(clipAudioDestination); } catch (e) { }
clipAudioDestination = null;
}
cancelAnimationFrame(clipRafId); clipRafId = null;
clipBtn.classList.remove('recording');
setBtnLabel(clipBtn, cancelled ? '✗ Cancelled' : 'Processing…');
clipOverlay.classList.remove('show');
if (cancelled) setTimeout(() => setBtnLabel(clipBtn), 1500);
};
const startClip = (durationSec) => {
if (clipRecorder) { stopClip(true); return; }
if (activeRecordingState === RecordingState.CLIPPING) return;
if (activeRecordingState === RecordingState.REPLAYING) {
setBtnLabel(clipBtn, '✗ Busy');
setTimeout(() => setBtnLabel(clipBtn), 1500);
return;
}
if (!video.captureStream) { setBtnLabel(clipBtn, '✗ N/A'); setTimeout(() => setBtnLabel(clipBtn), 2000); return; }
activeRecordingState = RecordingState.CLIPPING;
const mimeType = MediaRecorder.isTypeSupported('video/mp4; codecs=avc1,mp4a.40.2')
? 'video/mp4; codecs=avc1,mp4a.40.2'
: MediaRecorder.isTypeSupported('video/webm; codecs=vp9,opus')
? 'video/webm; codecs=vp9,opus'
: MediaRecorder.isTypeSupported('video/webm; codecs=vp8,opus')
? 'video/webm; codecs=vp8,opus'
: 'video/webm';
// Clip Recording Setup
const width = video.videoWidth || 1920;
const height = video.videoHeight || 1080;
const px = width * height;
const isMP4 = mimeType.includes('mp4');
const isVP9 = mimeType.includes('vp9');
let fps = 30;
const p = getPlayer();
if (p && typeof p.getStatsForNerdsData === 'function') {
const s = p.getStatsForNerdsData();
if (s && s.resolution) {
const m = s.resolution.match(/@(\d+)/);
if (m) fps = parseInt(m[1]);
}
}
const BPP_MAP = [
[426 * 240, 0.250, 0.350],
[640 * 360, 0.200, 0.300],
[854 * 480, 0.170, 0.250],
[1280 * 720, 0.140, 0.200],
[1920 * 1080, 0.110, 0.160],
[2560 * 1440, 0.080, 0.120],
[3840 * 2160, 0.060, 0.090],
];
const H264_BPP_MAP = [
[426 * 240, 0.150, 0.210],
[640 * 360, 0.120, 0.180],
[854 * 480, 0.100, 0.150],
[1280 * 720, 0.085, 0.120],
[1920 * 1080, 0.065, 0.096],
[2560 * 1440, 0.048, 0.072],
[3840 * 2160, 0.036, 0.054],
];
const map = isMP4 ? H264_BPP_MAP : BPP_MAP;
const [, bppHigh, bppLow] = map.find(([maxPx]) => px <= maxPx) ?? map.at(-1);
const videoBitsPerSecond = Math.round(width * height * fps * (isVP9 ? bppHigh : bppLow));
try {
const videoStream = video.captureStream();
const videoTracks = videoStream.getVideoTracks();
let audioTracks = videoStream.getAudioTracks();
if (recordingGain && audioContext) {
clipAudioDestination = audioContext.createMediaStreamDestination();
recordingGain.connect(clipAudioDestination);
audioTracks = clipAudioDestination.stream.getAudioTracks();
}
activeStream = new MediaStream([...videoTracks, ...audioTracks]);
if (activeStream.getTracks().length === 0) {
console.warn('YTEE: captureStream returned no tracks');
activeRecordingState = RecordingState.IDLE;
setBtnLabel(clipBtn, '✗ Not Ready'); setTimeout(() => setBtnLabel(clipBtn), 2000); return;
}
} catch (e) {
console.warn('YTEE: captureStream failed', e);
activeRecordingState = RecordingState.IDLE;
setBtnLabel(clipBtn, '✗ Error'); setTimeout(() => setBtnLabel(clipBtn), 2000); return;
}
const chunks = [];
let recorder;
try {
recorder = new MediaRecorder(activeStream, {
mimeType,
videoBitsPerSecond,
audioBitsPerSecond: 192_000
});
} catch (e) {
console.warn('YTEE: MediaRecorder init failed', e);
if (activeStream) activeStream.getTracks().forEach(t => t.stop()); activeStream = null;
activeRecordingState = RecordingState.IDLE;
setBtnLabel(clipBtn, '✗ Error'); setTimeout(() => setBtnLabel(clipBtn), 2000); return;
}
let clipInitChunk = null;
recorder.ondataavailable = (ev) => {
if (!ev.data || ev.data.size === 0) return;
const chunk = { data: ev.data, time: performance.now() };
if (!clipInitChunk) {
clipInitChunk = chunk;
} else {
chunks.push(chunk);
}
};
recorder.onstop = async () => {
const fullChunks = clipInitChunk ? [clipInitChunk, ...chunks] : chunks;
if (fullChunks.length === 0) { setBtnLabel(clipBtn, '✗ Empty'); setTimeout(() => setBtnLabel(clipBtn), 1500); return; }
setBtnLabel(clipBtn, 'Processing...');
try {
const mp4Blob = await remuxToMp4(fullChunks, mimeType);
const author = getVideoAuthor(getPlayer());
const timestamp = formatTimestamp(video.currentTime);
const objUrl = URL.createObjectURL(mp4Blob);
const a = document.createElement('a');
a.href = objUrl;
a.download = `${author}_${timestamp}.mp4`;
a.click();
URL.revokeObjectURL(objUrl);
setBtnLabel(clipBtn, '✓ Saved!');
} catch (e) {
console.error('YTEE: remux failed', e);
setBtnLabel(clipBtn, '✗ Error');
}
setTimeout(() => setBtnLabel(clipBtn), 2000);
};
recorder.onerror = (ev) => {
console.warn('YTEE: MediaRecorder error', ev);
stopClip(true); setBtnLabel(clipBtn, '✗ Error'); setTimeout(() => setBtnLabel(clipBtn), 2000);
};
clipRecorder = recorder;
recorder.start(960);
clipBtn.classList.add('recording');
setBtnLabel(clipBtn, 'Stop');
const endTime = performance.now() + durationSec * 1000;
const tick = () => {
const remaining = endTime - performance.now();
if (remaining <= 0) { stopClip(false); return; }
const text = `REC ${(remaining / 1000).toFixed(1)}s`;
if (clipOverlay.textContent !== text) clipOverlay.textContent = text;
clipOverlay.classList.add('show');
clipRafId = requestAnimationFrame(tick);
};
clipRafId = requestAnimationFrame(tick);
};
clipBtn.addEventListener('click', (e) => {
if (clipRecorder) { stopClip(true); return; }
const dur = e.ctrlKey ? (Number(currentSettings.clipDurationCtrl) || 300) : (Number(currentSettings.clipDuration) || 5);
startClip(dur);
});
clipBtn.addEventListener('contextmenu', (e) => { e.preventDefault(); stopClip(true); });
//Instant Replay
const replayOverlay = Object.assign(document.createElement('div'), { id: 'custom-replay-overlay' });
const replayBtn = mkBtn('custom-replay-btn', 'rewind', 'Replay', 'Instant Replay • Right-click = stop', 'Instant Replay');
if (typeof Mediabunny === 'undefined') {
console.warn('YTEE: Mediabunny not loaded — clip/replay disabled');
clipBtn.style.display = 'none';
replayBtn.style.display = 'none';
}
let replayRecorder = null;
let replayStream = null, replayAudioDestination = null;
let replayChunks = [];
let replayInitChunk = null;
let replayMimeType = '';
let replayActive = false;
let replayWaiting = false;
let replayRetryCount = 0;
let replaySupported = !!video.captureStream && typeof MediaRecorder !== 'undefined';
const getReplayMimeType = () => {
if (MediaRecorder.isTypeSupported('video/mp4; codecs=avc1,mp4a.40.2')) return 'video/mp4; codecs=avc1,mp4a.40.2';
if (MediaRecorder.isTypeSupported('video/webm; codecs=vp9,opus')) return 'video/webm; codecs=vp9,opus';
if (MediaRecorder.isTypeSupported('video/webm; codecs=vp8,opus')) return 'video/webm; codecs=vp8,opus';
return 'video/webm';
};
const pruneReplayChunks = () => {
const windowMs = (Number(currentSettings.instantReplayDuration) || 30) * 1000 + 2000;
const cutoff = performance.now() - windowMs;
let keepFrom = 0;
for (let i = 0; i < replayChunks.length - 1; i++) {
if (replayChunks[i].time >= cutoff) break;
keepFrom = i + 1;
}
if (keepFrom > 0) replayChunks = replayChunks.slice(keepFrom);
};
const startInstantReplay = () => {
if (replayActive || !replaySupported || replayWaiting) return;
if (activeRecordingState === RecordingState.CLIPPING) {
const waitAndRetry = () => {
if (activeRecordingState !== RecordingState.CLIPPING) startInstantReplay();
else setTimeout(waitAndRetry, 500);
};
setTimeout(waitAndRetry, 500);
return;
}
if (video.readyState < 1) {
replayWaiting = true;
video.addEventListener('loadedmetadata', () => {
replayWaiting = false;
startInstantReplay();
}, { once: true });
return;
}
try {
replayMimeType = getReplayMimeType();
const videoStream = video.captureStream();
const videoTracks = videoStream.getVideoTracks();
let audioTracks = videoStream.getAudioTracks();
if (recordingGain && audioContext) {
replayAudioDestination = audioContext.createMediaStreamDestination();
recordingGain.connect(replayAudioDestination);
audioTracks = replayAudioDestination.stream.getAudioTracks();
}
replayStream = new MediaStream([...videoTracks, ...audioTracks]);
if (replayStream.getTracks().length === 0) {
if (replayRetryCount < 10) {
replayRetryCount++;
console.log(`YTEE: Instant Replay waiting for stream tracks (attempt ${replayRetryCount})...`);
replayWaiting = true;
setTimeout(() => { replayWaiting = false; startInstantReplay(); }, 1000);
} else {
console.warn('YTEE: Instant Replay failed to find tracks after multiple attempts.');
}
return;
}
replayRetryCount = 0;
const qualityMap = {
'very low': { v: 1_000_000, a: 96_000 },
'low': { v: 2_500_000, a: 128_000 },
'medium': { v: 5_000_000, a: 192_000 },
'high': { v: 10_000_000, a: 256_000 },
'very high': { v: 20_000_000, a: 320_000 }
};
const q = qualityMap[currentSettings.instantReplayQuality] || qualityMap['medium'];
replayRecorder = new MediaRecorder(replayStream, {
mimeType: replayMimeType,
videoBitsPerSecond: q.v,
audioBitsPerSecond: q.a,
});
replayChunks = [];
replayInitChunk = null;
replayRecorder.ondataavailable = (ev) => {
if (!ev.data || ev.data.size === 0) return;
const chunk = { data: ev.data, time: performance.now() };
if (!replayInitChunk) {
replayInitChunk = chunk;
} else {
replayChunks.push(chunk);
pruneReplayChunks();
}
};
replayRecorder.onerror = (ev) => {
console.warn('YTEE: Instant Replay recorder error', ev);
stopInstantReplay();
};
replayRecorder.start(1920);
replayActive = true;
activeRecordingState = RecordingState.REPLAYING;
replayBtn.classList.add('buffering');
console.log('YTEE: Instant Replay started');
setBtnLabel(replayBtn, 'Started');
setTimeout(() => setBtnLabel(replayBtn), 1500);
} catch (e) {
console.warn('YTEE: Instant Replay start failed', e);
if (e.name === 'NotSupportedError' && !e?.message?.includes?.('tracks')) {
replaySupported = false;
replayBtn.style.display = 'none';
}
}
};
const stopInstantReplay = () => {
if (!replayActive) return;
replayActive = false;
activeRecordingState = RecordingState.IDLE;
replayRetryCount = 0;
replayInitChunk = null;
try { if (replayRecorder && replayRecorder.state !== 'inactive') replayRecorder.stop(); } catch (e) { }
try { if (replayStream) replayStream.getTracks().forEach(t => t.stop()); } catch (e) { }
if (replayAudioDestination) {
if (recordingGain) try { recordingGain.disconnect(replayAudioDestination); } catch (e) { }
replayAudioDestination = null;
}
replayRecorder = null;
replayStream = null;
replayBtn.classList.remove('buffering');
};
const saveInstantReplay = async () => {
if (!replaySupported) {
setBtnLabel(replayBtn, '✗ N/A');
flashBtnState(replayBtn, 'error');
setTimeout(() => setBtnLabel(replayBtn), 1500);
return;
}
pruneReplayChunks();
if (!replayInitChunk && replayChunks.length === 0) {
setBtnLabel(replayBtn, '✗ Empty');
flashBtnState(replayBtn, 'error');
setTimeout(() => setBtnLabel(replayBtn), 1500);
return;
}
const chunksSnapshot = replayInitChunk
? [replayInitChunk, ...replayChunks]
: [...replayChunks];
const mimeSnapshot = replayMimeType;
const author = getVideoAuthor(getPlayer());
const timestamp = formatTimestamp(video.currentTime);
if (replayRecorder && replayRecorder.state === 'recording') {
const onFinalChunk = async (ev) => {
replayRecorder.removeEventListener('dataavailable', onFinalChunk);
if (ev.data && ev.data.size > 0) chunksSnapshot.push({ data: ev.data, time: performance.now() });
replayChunks = [];
await assembleAndDownload(chunksSnapshot, mimeSnapshot, author, timestamp);
};
replayRecorder.addEventListener('dataavailable', onFinalChunk);
try {
replayRecorder.requestData();
} catch (e) {
replayRecorder.removeEventListener('dataavailable', onFinalChunk);
await assembleAndDownload(chunksSnapshot, mimeSnapshot, author, timestamp);
}
} else {
await assembleAndDownload(chunksSnapshot, mimeSnapshot, author, timestamp);
}
};
const assembleAndDownload = async (chunks, mimeType, author, timestamp) => {
if (chunks.length === 0) {
setBtnLabel(replayBtn, '✗ Empty');
flashBtnState(replayBtn, 'error');
setTimeout(() => setBtnLabel(replayBtn), 1500);
return;
}
setBtnLabel(replayBtn, 'Processing...');
try {
const mp4Blob = await remuxToMp4(chunks, mimeType);
const objUrl = URL.createObjectURL(mp4Blob);
const a = document.createElement('a');
a.href = objUrl;
a.download = `${author}_instant_replay_${timestamp}.mp4`;
a.click();
URL.revokeObjectURL(objUrl);
setBtnLabel(replayBtn, '✓ Saved!');
flashBtnState(replayBtn, 'success');
} catch (e) {
console.error('YTEE: remux failed', e);
setBtnLabel(replayBtn, '✗ Remux Error');
flashBtnState(replayBtn, 'error');
}
setTimeout(() => setBtnLabel(replayBtn), 2000);
replayOverlay.textContent = `✓ Last ~${currentSettings.instantReplayDuration}s saved`;
replayOverlay.classList.add('show');
setTimeout(() => replayOverlay.classList.remove('show'), 2000);
};
replayBtn.addEventListener('click', () => {
if (!replayActive) {
startInstantReplay();
} else {
saveInstantReplay();
}
});
replayBtn.addEventListener('contextmenu', (e) => {
e.preventDefault();
if (replayActive) {
stopInstantReplay();
setBtnLabel(replayBtn, 'Stopped');
setTimeout(() => setBtnLabel(replayBtn), 1500);
} else {
startInstantReplay();
}
});
// PiP
const pipSupported = document.pictureInPictureEnabled && typeof video.requestPictureInPicture === "function";
const pipBtn = mkBtn('custom-pip-btn', 'pip', 'PiP', 'Picture-in-Picture');
if (pipSupported) {
pipBtn.addEventListener("click", async () => {
try {
if (document.pictureInPictureElement) await document.exitPictureInPicture();
else await video.requestPictureInPicture();
} catch (err) { console.error("PiP failed:", err); }
});
} else {
pipBtn.style.display = "none";
}
// URL
const urlBtn = mkBtn('custom-url-btn', 'url', 'URL', 'Copy URL (Ctrl+Click = with timestamp)');
urlBtn.addEventListener("click", async (e) => {
try {
const videoId = getVideoId(getPlayer());
let url = `https://youtu.be/${videoId}`;
if (e.ctrlKey) url += `?t=${Math.floor(video.currentTime)}`;
let copied = false;
if (navigator.clipboard) {
try {
await navigator.clipboard.writeText(url);
copied = true;
} catch (clipErr) {
}
}
if (!copied) {
const ta = document.createElement('textarea');
ta.value = url;
ta.style.cssText = 'position:fixed;opacity:0;top:0;left:0;';
document.body.appendChild(ta);
ta.focus();
ta.select();
copied = document.execCommand('copy');
document.body.removeChild(ta);
}
if (copied) {
setBtnLabel(urlBtn, '✓ Copied!');
flashBtnState(urlBtn, 'success');
setTimeout(() => setBtnLabel(urlBtn), 1500);
} else {
throw new Error('All copy methods failed');
}
} catch (err) {
console.error("Copy URL failed:", err);
flashBtnState(urlBtn, 'error');
}
});
// Thumbnail
const thumbBtn = mkBtn('custom-thumb-btn', 'thumb', 'Thumb', 'Get Thumbnail (Max Res)');
thumbBtn.addEventListener("click", () => {
const videoId = getVideoId(getPlayer());
if (videoId) {
window.open(`https://img.youtube.com/vi/${videoId}/maxresdefault.jpg`, '_blank');
}
});
// Profile Picture
const pfpBtn = mkBtn('custom-pfp-btn', 'avatar', 'PFP', 'Get Profile Picture');
pfpBtn.addEventListener("click", () => {
const videoId = getVideoId(getPlayer());
if (!videoId) return;
setBtnLabel(pfpBtn, '…');
GM_xmlhttpRequest({
method: 'GET',
url: `https://holodex.net/api/v2/videos/${videoId}?include=live_info`,
headers: { "Referer": "https://holodex.net/", "Origin": "https://holodex.net" },
onload: (r) => {
if (r.status === 200) {
try {
const json = JSON.parse(r.responseText);
const photo = json.channel?.photo;
if (photo) {
window.open(photo.replace(/=s\d+-c-k-c0x[0-9a-f]+-no-rj/, '=s0'), '_blank');
setBtnLabel(pfpBtn, '✓');
flashBtnState(pfpBtn, 'success');
} else { throw new Error('No photo'); }
} catch (e) {
console.error('YTEE: PFP fetch failed', e);
flashBtnState(pfpBtn, 'error');
}
} else {
flashBtnState(pfpBtn, 'error');
}
setTimeout(() => setBtnLabel(pfpBtn), 1500);
},
onerror: () => {
flashBtnState(pfpBtn, 'error');
setTimeout(() => setBtnLabel(pfpBtn), 1500);
}
});
});
// Watch Later
const wlBtn = mkBtn('custom-wl-btn', 'wl', 'WL', 'Watch Later');
let cachedApiKey = null, cachedContext = null;
const INNERTUBE_CACHE_TTL = 24 * 60 * 60 * 1000;
try {
if (typeof GM_getValue === 'function') {
const stored = GM_getValue('ytee-innertube', null);
if (stored) {
const parsed = JSON.parse(stored);
const age = Date.now() - (parsed.savedAt || 0);
if (age < INNERTUBE_CACHE_TTL && parsed.apiKey && parsed.context) { cachedApiKey = parsed.apiKey; cachedContext = parsed.context; }
}
}
} catch (e) { console.warn('InnerTube cache read failed', e); }
const sha1 = async (str) => {
const buf = await crypto.subtle.digest("SHA-1", new TextEncoder().encode(str));
return Array.from(new Uint8Array(buf)).map(b => b.toString(16).padStart(2, "0")).join("");
};
const getSapisid = () => { const m = document.cookie.match(/(?:^|;\s*)(?:__Secure-3PAPISID|SAPISID)=([^;]+)/); return m ? m[1] : null; };
const getInnertubeConfig = async (videoId) => {
if (cachedApiKey && cachedContext) return { apiKey: cachedApiKey, context: cachedContext };
const localYtcfg = uw.ytcfg || (uw.yt && uw.yt.config_);
if (localYtcfg && localYtcfg.get) {
const key = localYtcfg.get("INNERTUBE_API_KEY"), ctx = localYtcfg.get("INNERTUBE_CONTEXT");
if (key && ctx) {
cachedApiKey = key; cachedContext = ctx;
try { if (typeof GM_setValue === 'function') GM_setValue('ytee-innertube', JSON.stringify({ apiKey: key, context: ctx, savedAt: Date.now() })); } catch (e) { }
return { apiKey: key, context: ctx };
}
}
return new Promise((resolve, reject) => {
if (typeof GM_xmlhttpRequest === "undefined") return reject(new Error("GM_xmlhttpRequest unavailable"));
GM_xmlhttpRequest({
method: "GET", url: `https://www.youtube.com/watch?v=${videoId}`,
headers: { "Accept-Language": navigator.language || "en-US,en;q=0.9" },
onload: (res) => {
const m = res.responseText.match(/ytcfg\.set\s*\(({[\s\S]+?})\s*\)\s*;/);
if (!m) return reject(new Error("ytcfg block not found"));
try {
const cfg = JSON.parse(m[1]);
if (!cfg.INNERTUBE_API_KEY) return reject(new Error("INNERTUBE_API_KEY missing"));
cachedApiKey = cfg.INNERTUBE_API_KEY; cachedContext = cfg.INNERTUBE_CONTEXT;
try { if (typeof GM_setValue === 'function') GM_setValue('ytee-innertube', JSON.stringify({ apiKey: cachedApiKey, context: cachedContext, savedAt: Date.now() })); } catch (e) { }
resolve({ apiKey: cachedApiKey, context: cachedContext });
} catch (e) { reject(e); }
},
onerror: () => reject(new Error("Network error")),
});
});
};
const clearInnertubeCache = () => {
cachedApiKey = null; cachedContext = null;
try { if (typeof GM_setValue === 'function') GM_setValue('ytee-innertube', null); } catch (e) { }
};
wlBtn.addEventListener("click", async () => {
try {
setBtnLabel(wlBtn, '…');
const videoId = getVideoId(getPlayer());
if (!videoId || videoId.length < 5) { setBtnLabel(wlBtn, '✗ Err'); setTimeout(() => setBtnLabel(wlBtn), 1500); return; }
const sapisid = getSapisid();
if (!sapisid) { setBtnLabel(wlBtn, '✗ Login'); setTimeout(() => setBtnLabel(wlBtn), 1500); return; }
const attemptRequest = async () => {
const { apiKey, context } = await getInnertubeConfig(videoId);
const ts = Math.floor(Date.now() / 1000);
const hashStr = await sha1(`${ts} ${sapisid} https://www.youtube.com`);
const sapisidHash = `${ts}_${hashStr}`;
const payload = { context, playlistId: "WL", actions: [{ addedVideoId: videoId, action: "ACTION_ADD_VIDEO" }] };
return new Promise((resolve, reject) => {
if (typeof GM_xmlhttpRequest !== "undefined") {
GM_xmlhttpRequest({
method: "POST",
url: `https://www.youtube.com/youtubei/v1/browse/edit_playlist?key=${apiKey}&prettyPrint=false`,
headers: { "Content-Type": "application/json", "X-Origin": "https://www.youtube.com", "X-Goog-AuthUser": "0", "Authorization": `SAPISIDHASH ${sapisidHash}` },
data: JSON.stringify(payload),
onload: (res) => resolve(res.status),
onerror: () => reject(new Error("Network error")),
});
} else { reject(new Error("GM_xmlhttpRequest required")); }
});
};
let status = await attemptRequest();
if (status === 401 || status === 403) { clearInnertubeCache(); status = await attemptRequest(); }
if (status === 200) { setBtnLabel(wlBtn, '✓ Saved'); flashBtnState(wlBtn, 'success'); } else { throw new Error(`HTTP ${status}`); }
setTimeout(() => setBtnLabel(wlBtn), 1500);
} catch (err) { console.error("Watch Later failed:", err); setBtnLabel(wlBtn, '✗ Err'); flashBtnState(wlBtn, 'error'); setTimeout(() => setBtnLabel(wlBtn), 1500); }
});
const toggleBtn = mkBtn('custom-toggle-btn', currentSettings.isCollapsed ? 'expand' : 'hide', '', 'Collapse UI', null, false);
toggleBtn.addEventListener('click', () => {
currentSettings.isCollapsed = !currentSettings.isCollapsed;
saveStoredSettings(currentSettings);
applyUIStates(currentSettings);
});
// Settings Modal
const settingsBtn = mkBtn('custom-settings-btn', 'settings', '', 'Settings', 'Settings Menu', false);
const settingsModal = document.createElement("div");
settingsModal.id = "custom-settings-modal";
let isSettingsOpen = false;
const settingsContent = document.createElement("div");
settingsContent.id = "custom-settings-content";
const settingsHeader = Object.assign(document.createElement("div"), { id: "ytee-settings-header" });
const headerTitleWrap = document.createElement('div');
const settingsTitle = Object.assign(document.createElement("h2"), { textContent: "YouTube Embed Enhancer" });
const settingsSubtitle = Object.assign(document.createElement("p"), { id: "ytee-settings-subtitle", textContent: "Customize your experience" });
headerTitleWrap.append(settingsTitle, settingsSubtitle);
const infoBtn = Object.assign(document.createElement('div'), { className: 'ytee-info-btn', title: 'Legend' });
infoBtn.appendChild(ICON_DEFS.info());
settingsHeader.append(headerTitleWrap, infoBtn);
const infoBox = Object.assign(document.createElement('div'), { className: 'ytee-info-box' });
const mkInfoRow = (title, text) => {
const p = document.createElement('p');
const s = Object.assign(document.createElement('strong'), { textContent: title });
p.append(s, document.createTextNode(' ' + text));
return p;
};
infoBox.append(
mkInfoRow('Speed', 'How fast your internet is. Higher = smoother high-quality video.'),
mkInfoRow('Buffer', "Pre-loaded video 'cushion'. If this hits 0, the video will pause to load."),
mkInfoRow('Latency', 'Your delay from live. Lower = closer to real-time.'),
mkInfoRow('Drop', 'If this rises, your PC is struggling and the video will look laggy or stutter.'),
Object.assign(document.createElement('a'), {
href: 'https://github.com/jmpatag/YouTube-Embed-Enhancer',
target: '_blank', className: 'ytee-info-link', textContent: 'GitHub Source'
})
);
infoBtn.addEventListener('click', () => infoBox.classList.toggle('show'));
// Tabs
const tabsContainer = Object.assign(document.createElement('div'), { id: 'ytee-settings-tabs' });
const tabItems = [
{ id: 'tab-general', label: 'General' },
{ id: 'tab-tools', label: 'Tools' },
{ id: 'tab-interface', label: 'Interface' },
{ id: 'tab-hotkeys', label: 'Hotkeys' }
];
const tabs = {};
const tabContents = {};
tabItems.forEach((item, idx) => {
const tab = Object.assign(document.createElement('div'), { className: 'ytee-tab' });
const iconWrap = Object.assign(document.createElement('span'), { className: 'ytee-icon' });
iconWrap.appendChild(ICON_DEFS[item.id.replace('tab-', '')]());
tab.append(iconWrap, document.createTextNode(item.label));
if (idx === 0) tab.classList.add('active');
tab.addEventListener('click', () => {
Object.values(tabs).forEach(t => t.classList.remove('active'));
Object.values(tabContents).forEach(c => c.classList.remove('active'));
tab.classList.add('active');
tabContents[item.id].classList.add('active');
});
tabsContainer.appendChild(tab);
tabs[item.id] = tab;
const content = Object.assign(document.createElement('div'), { className: 'ytee-tab-content' });
if (idx === 0) content.classList.add('active');
tabContents[item.id] = content;
});
const settingsItems = Object.assign(document.createElement("div"), { id: "custom-settings-items" });
Object.values(tabContents).forEach(c => settingsItems.appendChild(c));
const settingsButtons = Object.assign(document.createElement("div"), { id: "custom-settings-buttons" });
const restoreBtn = Object.assign(document.createElement("button"), { id: "custom-settings-restore", textContent: "Restore defaults" });
const cancelBtn = Object.assign(document.createElement("button"), { id: "custom-settings-cancel", textContent: "Cancel" });
const saveBtn = Object.assign(document.createElement("button"), { id: "custom-settings-save", textContent: "Save changes" });
settingsButtons.append(restoreBtn, cancelBtn, saveBtn);
settingsContent.append(settingsHeader, tabsContainer, infoBox, settingsItems, settingsButtons);
settingsModal.appendChild(settingsContent);
document.body.appendChild(settingsModal);
const mkSection = (title) => Object.assign(document.createElement('h3'), { className: 'setting-section-title', textContent: title });
const mkNote = (text) => Object.assign(document.createElement('div'), { className: 'setting-note', textContent: text });
const mkRow = (title, desc, control) => {
const div = Object.assign(document.createElement('div'), { className: 'setting-item' });
const textWrap = Object.assign(document.createElement('div'), { className: 'setting-text' });
const lbl = Object.assign(document.createElement('label'), { className: 'setting-title', textContent: title });
if (control && control.id) lbl.htmlFor = control.id;
const d = Object.assign(document.createElement('div'), { className: 'setting-desc', textContent: desc });
textWrap.append(lbl, d);
div.append(textWrap);
if (control) {
const ctrlWrap = Object.assign(document.createElement('div'), { className: 'setting-control' });
ctrlWrap.appendChild(control);
div.append(ctrlWrap);
}
return div;
};
const mkToggle = (id, checked) => {
const wrap = Object.assign(document.createElement('div'), { className: 'ytee-toggle-wrap' });
const cb = Object.assign(document.createElement('input'), { type: 'checkbox', id, checked });
const track = Object.assign(document.createElement('label'), { className: 'ytee-toggle-track', htmlFor: id });
track.appendChild(Object.assign(document.createElement('span'), { className: 'ytee-toggle-thumb' }));
wrap.append(cb, track);
return wrap;
};
let settingsDomBuilt = false;
const showSettingsModal = () => {
if (!settingsDomBuilt) {
Object.values(tabContents).forEach(c => { while (c.firstChild) c.removeChild(c.firstChild); });
// General tab
const g = tabContents['tab-general'];
g.append(mkSection('Playback'));
const qualitySelect = Object.assign(document.createElement('select'), { id: 'preferred-quality', className: 'ytee-quality-select' });
g.append(mkRow('Preferred quality', 'Applies instantly to all embeds', qualitySelect));
g.append(mkSection('Volume Control'));
g.append(mkRow('Scroll wheel volume', 'Use scroll to adjust volume on hover', mkToggle('ytee-enable-scroll-volume', false)));
g.append(mkRow('Volume cache', 'Remember the volume level for the last 30 videos', mkToggle('ytee-enable-volume-cache', false)));
const volInitInput = Object.assign(document.createElement('input'), { type: 'number', id: 'ytee-initial-volume', min: '0', max: '100', className: 'hk-input' });
g.append(mkRow('Initial volume', 'Default volume for embeds (%)', volInitInput));
const volStepInput = Object.assign(document.createElement('input'), { type: 'number', id: 'ytee-volume-step', min: '1', max: '100', className: 'hk-input' });
g.append(mkRow('Volume step', 'Amount changed per scroll tick (%)', volStepInput));
const boostToggle = mkToggle('ytee-enable-volume-boost', false);
g.append(mkRow('Volume boost', 'Amplify audio beyond 100%', boostToggle));
const volBoostInput = Object.assign(document.createElement('input'), { type: 'range', id: 'volume-boost-level', min: '1.0', max: '3.0', step: '0.1' });
const volBoostValue = Object.assign(document.createElement('span'), { className: 'ytee-slider-value', textContent: '1.0x' });
volBoostInput.addEventListener('input', () => { volBoostValue.textContent = `${Number(volBoostInput.value).toFixed(1)}x`; });
const boostSliderWrap = Object.assign(document.createElement('div'), { style: 'display:flex; align-items:center; gap:12px;' });
boostSliderWrap.append(volBoostInput, volBoostValue);
const boostLevelRow = mkRow('Boost intensity', 'How much to amplify', boostSliderWrap);
g.append(boostLevelRow);
const updateBoostState = () => {
const enabled = boostToggle.querySelector('input').checked;
volBoostInput.disabled = !enabled;
boostLevelRow.style.opacity = enabled ? '1' : '0.4';
boostLevelRow.style.filter = enabled ? '' : 'grayscale(1)';
boostLevelRow.style.pointerEvents = enabled ? 'auto' : 'none';
};
boostToggle.querySelector('input').addEventListener('change', updateBoostState);
// Tools tab
const t = tabContents['tab-tools'];
t.append(mkSection('Clip Recording'));
const clipDurInput = Object.assign(document.createElement('input'), { type: 'number', id: 'clip-duration', min: '1', max: '300', className: 'hk-input' });
t.append(mkRow('Standard duration', 'Default clip length in seconds', clipDurInput));
const clipCtrlInput = Object.assign(document.createElement('input'), { type: 'number', id: 'clip-duration-ctrl', min: '1', max: '300', className: 'hk-input' });
t.append(mkRow('Ctrl+click duration', 'Extended clip length in seconds', clipCtrlInput));
t.append(mkSection('Instant Replay'));
const replayDurInput = Object.assign(document.createElement('input'), { type: 'number', id: 'replay-duration', min: '1', max: '60', className: 'hk-input' });
t.append(mkRow('Replay buffer', 'How many seconds to keep in memory', replayDurInput));
const replayQualitySelect = Object.assign(document.createElement('select'), { id: 'replay-quality', className: 'ytee-quality-select' });
const qualities = [
{ val: 'very low', label: 'Very Low (1 Mbps)' },
{ val: 'low', label: 'Low (2.5 Mbps)' },
{ val: 'medium', label: 'Medium (5 Mbps)' },
{ val: 'high', label: 'High (10 Mbps)' },
{ val: 'very high', label: 'Very High (20 Mbps)' }
];
qualities.forEach(q => {
replayQualitySelect.appendChild(Object.assign(document.createElement('option'), { value: q.val, textContent: q.label }));
});
t.append(mkRow('Replay quality', 'Higher quality increases RAM and CPU usage', replayQualitySelect));
t.append(mkSection('Media Assets'));
const mkDlBtn = () => {
const b = Object.assign(document.createElement('button'), { className: 'ytee-btn', style: 'opacity:1; pointer-events:auto; width:95px; height:28px; font-size:11px; border-radius:8px !important;' });
const iconSpan = document.createElement('span'); iconSpan.className = 'ytee-icon'; iconSpan.appendChild(ICON_DEFS.download());
iconSpan.querySelector('svg').style.width = '14px'; iconSpan.querySelector('svg').style.height = '14px';
const labelSpan = Object.assign(document.createElement('span'), { className: 'ytee-label', textContent: 'Download' });
b.append(iconSpan, labelSpan);
return b;
};
const dlThumbBtn = mkDlBtn();
t.append(mkRow('Video thumbnail', "Download the current video's thumbnail", dlThumbBtn));
const dlPfpBtn = mkDlBtn();
t.append(mkRow('Channel profile picture', "Download the channel's avatar", dlPfpBtn));
dlThumbBtn.addEventListener('click', () => {
const videoId = getVideoId(getPlayer());
if (!videoId) return;
let author = getVideoAuthor(getPlayer());
const proceed = (auth) => {
downloadUrlAsFile(`https://img.youtube.com/vi/${videoId}/maxresdefault.jpg`, `${auth}_thumbnail`);
flashBtnState(dlThumbBtn, 'success');
};
if (author === 'YouTube') {
setBtnLabel(dlThumbBtn, '…');
GM_xmlhttpRequest({
method: 'GET', url: `https://holodex.net/api/v2/videos/${videoId}?include=live_info`,
headers: { "Referer": "https://holodex.net/", "Origin": "https://holodex.net" },
onload: (r) => {
if (r.status === 200) {
try {
const json = JSON.parse(r.responseText);
author = json.channel?.name || author;
} catch (e) { }
}
proceed(author);
setBtnLabel(dlThumbBtn, 'Download');
},
onerror: () => { proceed(author); setBtnLabel(dlThumbBtn, 'Download'); }
});
} else {
proceed(author);
}
});
dlPfpBtn.addEventListener('click', () => {
const videoId = getVideoId(getPlayer());
if (!videoId) return;
setBtnLabel(dlPfpBtn, '…');
const fallbackToYouTube = (vId) => {
GM_xmlhttpRequest({
method: 'GET',
url: `https://www.youtube.com/oembed?url=https://www.youtube.com/watch?v=${vId}&format=json`,
onload: (r) => {
if (r.status !== 200) { flashBtnState(dlPfpBtn, 'error'); setBtnLabel(dlPfpBtn, 'Download'); return; }
try {
const json = JSON.parse(r.responseText);
const authorName = json.author_name || getVideoAuthor(getPlayer());
const channelUrl = json.author_url;
GM_xmlhttpRequest({
method: 'GET', url: channelUrl,
onload: (cr) => {
try {
const match = cr.responseText.match(/"avatar":\{"thumbnails":\[{"url":"([^"]+)"/);
const ogMatch = cr.responseText.match(/<meta property="og:image" content="([^"]+)"/);
const photoUrl = match?.[1] || ogMatch?.[1];
if (photoUrl) {
const cleanUrl = photoUrl.replace(/=s\d+-c-k-c0x[0-9a-f]+-no-rj/, '=s0').replace(/\\u0026/g, '&');
downloadUrlAsFile(cleanUrl, `${authorName}_avatar`);
flashBtnState(dlPfpBtn, 'success');
} else { throw new Error('No avatar found'); }
} catch (e) { flashBtnState(dlPfpBtn, 'error'); }
setBtnLabel(dlPfpBtn, 'Download');
},
onerror: () => { flashBtnState(dlPfpBtn, 'error'); setBtnLabel(dlPfpBtn, 'Download'); }
});
} catch (e) { flashBtnState(dlPfpBtn, 'error'); setBtnLabel(dlPfpBtn, 'Download'); }
},
onerror: () => { flashBtnState(dlPfpBtn, 'error'); setBtnLabel(dlPfpBtn, 'Download'); }
});
};
GM_xmlhttpRequest({
method: 'GET', url: `https://holodex.net/api/v2/videos/${videoId}?include=live_info`,
headers: { "Referer": "https://holodex.net/", "Origin": "https://holodex.net" },
onload: (r) => {
if (r.status === 200) {
try {
const json = JSON.parse(r.responseText);
const photo = json.channel?.photo;
if (photo) {
const author = json.channel.name || getVideoAuthor(getPlayer());
downloadUrlAsFile(photo.replace(/=s\d+-c-k-c0x[0-9a-f]+-no-rj/, '=s0'), `${author}_avatar`);
flashBtnState(dlPfpBtn, 'success');
setBtnLabel(dlPfpBtn, 'Download');
return;
}
} catch (e) { }
}
fallbackToYouTube(videoId);
},
onerror: () => fallbackToYouTube(videoId)
});
});
// Interface tab
const ui = tabContents['tab-interface'];
ui.append(mkSection('Appearance'));
ui.append(mkRow('Compact icon mode', 'Smaller icons', mkToggle('ytee-compact-mode', false)));
ui.append(mkRow('High contrast UI', 'Make buttons and text stand out more', mkToggle('ytee-high-contrast', false)));
ui.append(mkSection('Button Visibility'));
const grid = Object.assign(document.createElement('div'), { className: 'ytee-grid-2' });
const buttonNames = {
vol: 'Volume slider', wl: 'Watch later', url: 'Copy URL', thumb: 'Thumbnail', pfp: 'Profile picture', screenshot: 'Screenshot',
clip: 'Clip', replay: 'Replay', pip: 'PiP', speed: 'Speed', stats: 'Stats'
};
Object.keys(buttonNames).forEach(key => grid.append(mkRow(buttonNames[key], '', mkToggle(`btn-${key}`, false))));
ui.append(grid);
// Hotkey tab
const hk = tabContents['tab-hotkeys'];
hk.append(mkSection('Key Bindings'));
const hotkeyNames = {
toggleMute: ['Toggle Mute', 'Mute/unmute player'],
toggleStats: ['Toggle Stats', 'Show/Hide Stats for Nerds'],
toggleMiniStats: ['Toggle Mini Stats', 'Show/Hide Mini Stats'],
increaseSpeed: ['Speed Up', 'Increase rate by 0.1x'],
decreaseSpeed: ['Slow Down', 'Decrease rate by 0.1x'],
increaseSpeedFine: ['Speed Up (Fine)', 'Increase rate by 0.01x'],
decreaseSpeedFine: ['Slow Down (Fine)', 'Decrease rate by 0.01x'],
volumeUp: ['Volume Up', 'Increase volume level'],
volumeDown: ['Volume Down', 'Decrease volume level'],
toggleSettings: ['Toggle Settings', 'Open/close settings'],
};
Object.keys(hotkeyNames).forEach(key => {
const input = Object.assign(document.createElement('input'), { type: 'text', id: `hk-${key}`, className: 'hk-input' });
input.addEventListener('blur', () => { input.value = sanitizeHotkeyInput(input.value); });
hk.append(mkRow(hotkeyNames[key][0], hotkeyNames[key][1], input));
});
settingsDomBuilt = true;
}
const p = getPlayer();
let availableLevels = [];
if (p && typeof p.getAvailableQualityLevels === 'function') availableLevels = p.getAvailableQualityLevels().filter(q => q !== 'auto' && q !== 'unknown');
if (availableLevels.length === 0) availableLevels = QUALITY_ORDER.slice();
const qualitySelect = document.getElementById('preferred-quality');
if (qualitySelect) {
while (qualitySelect.firstChild) qualitySelect.removeChild(qualitySelect.firstChild);
qualitySelect.appendChild(Object.assign(document.createElement('option'), { value: 'auto', textContent: QUALITY_LABELS['auto'] }));
availableLevels.forEach(level => qualitySelect.appendChild(Object.assign(document.createElement('option'), { value: level, textContent: QUALITY_LABELS[level] || level })));
qualitySelect.value = currentSettings.preferredQuality || 'auto';
}
const setCb = (id, val) => { const el = document.getElementById(id); if (el) el.checked = val; };
const setVal = (id, val) => { const el = document.getElementById(id); if (el) el.value = val; };
setCb('ytee-enable-scroll-volume', currentSettings.enableScrollVolume);
setCb('ytee-enable-volume-cache', currentSettings.enableVolumeCache);
setVal('ytee-volume-step', currentSettings.volumeStep);
setVal('ytee-initial-volume', currentSettings.initialVolume);
setCb('ytee-enable-volume-boost', currentSettings.enableVolumeBoost);
const bToggle = document.getElementById('ytee-enable-volume-boost');
if (bToggle) bToggle.dispatchEvent(new Event('change'));
setVal('volume-boost-level', currentSettings.volumeBoostLevel);
const bLevel = document.getElementById('volume-boost-level');
if (bLevel) bLevel.dispatchEvent(new Event('input'));
setVal('clip-duration', currentSettings.clipDuration);
setVal('clip-duration-ctrl', currentSettings.clipDurationCtrl);
setVal('replay-duration', currentSettings.instantReplayDuration);
setVal('replay-quality', currentSettings.instantReplayQuality);
Object.keys(currentSettings.hotkeys).forEach(key => setVal(`hk-${key}`, currentSettings.hotkeys[key]));
setCb('ytee-compact-mode', currentSettings.compactMode);
setCb('ytee-high-contrast', currentSettings.highContrastUI);
Object.keys(currentSettings.buttons).forEach(key => setCb(`btn-${key}`, currentSettings.buttons[key]));
settingsModal.classList.add('show');
isSettingsOpen = true;
};
const hideSettingsModal = () => { settingsModal.classList.remove('show'); isSettingsOpen = false; };
settingsBtn.addEventListener('click', showSettingsModal);
cancelBtn.addEventListener('click', hideSettingsModal);
restoreBtn.addEventListener('click', () => {
currentSettings = JSON.parse(JSON.stringify(defaultSettings));
applyUIStates(currentSettings);
if (settingsModal.classList.contains('show')) showSettingsModal();
restoreBtn.textContent = 'Restored!'; restoreBtn.disabled = true;
setTimeout(() => { restoreBtn.textContent = 'Restore defaults'; restoreBtn.disabled = false; }, 1000);
});
saveBtn.addEventListener('click', () => {
const newSettings = { buttons: {}, hotkeys: {} };
Object.keys(defaultSettings.buttons).forEach(key => {
const el = document.getElementById(`btn-${key}`);
if (el) newSettings.buttons[key] = el.checked;
});
Object.keys(defaultSettings.hotkeys).forEach(key => {
const el = document.getElementById(`hk-${key}`);
if (el) newSettings.hotkeys[key] = sanitizeHotkeyInput(el.value);
});
newSettings.volumeBoostLevel = Number(document.getElementById('volume-boost-level').value) || 1;
newSettings.enableVolumeBoost = document.getElementById('ytee-enable-volume-boost').checked;
newSettings.enableScrollVolume = document.getElementById('ytee-enable-scroll-volume').checked;
newSettings.enableVolumeCache = document.getElementById('ytee-enable-volume-cache').checked;
newSettings.volumeStep = Math.min(100, Math.max(1, Number(document.getElementById('ytee-volume-step').value) || 5));
newSettings.initialVolume = Math.min(100, Math.max(0, Number(document.getElementById('ytee-initial-volume').value) || 100));
newSettings.clipDuration = Math.min(300, Math.max(1, Number(document.getElementById('clip-duration').value) || 5));
newSettings.clipDurationCtrl = Math.min(300, Math.max(1, Number(document.getElementById('clip-duration-ctrl').value) || 300));
newSettings.instantReplayDuration = Math.min(60, Math.max(1, Number(document.getElementById('replay-duration').value) || 30));
newSettings.instantReplayQuality = document.getElementById('replay-quality').value || 'medium';
newSettings.preferredQuality = document.getElementById('preferred-quality').value || 'auto';
newSettings.compactMode = document.getElementById('ytee-compact-mode').checked;
newSettings.highContrastUI = document.getElementById('ytee-high-contrast').checked;
newSettings.volumeCache = newSettings.enableVolumeCache ? (currentSettings.volumeCache || {}) : {};
newSettings.isCollapsed = currentSettings.isCollapsed;
currentSettings = newSettings;
saveStoredSettings(currentSettings);
buildHotkeyMap();
applyVolume(targetVolume);
applyQuality();
applyUIStates(currentSettings);
updateButtonVisibility();
if (replayActive) { stopInstantReplay(); setTimeout(startInstantReplay, 200); }
saveBtn.textContent = 'Saved'; saveBtn.disabled = true;
setTimeout(() => { hideSettingsModal(); saveBtn.textContent = 'Save'; saveBtn.disabled = false; }, 350);
});
const updateButtonVisibility = () => {
const buttonMap = { wl: wlBtn, url: urlBtn, thumb: thumbBtn, pfp: pfpBtn, screenshot: screenshotBtn, clip: clipBtn, replay: replayBtn, pip: pipBtn, speed: speedBtn, stats: statsBtn };
let anyCollapsibleVisible = false;
Object.keys(buttonMap).forEach(key => {
const isVisible = key === 'pip'
? currentSettings.buttons[key] && pipSupported
: key === 'replay'
? currentSettings.buttons[key] && replaySupported
: currentSettings.buttons[key];
buttonMap[key].style.display = isVisible ? '' : 'none';
if (isVisible) anyCollapsibleVisible = true;
});
const volDisplay = currentSettings.buttons.vol ? '' : 'none';
if (muteBtn) muteBtn.style.display = volDisplay;
if (vol) vol.style.display = volDisplay;
if (toggleBtn) toggleBtn.style.display = anyCollapsibleVisible ? '' : 'none';
};
// Hotkeys
const SHIFTED_SYMBOL_MAP = {
'!': '1', '@': '2', '#': '3', '$': '4', '%': '5', '^': '6', '&': '7', '*': '8', '(': '9', ')': '0',
'~': '`', '_': '-', '+': '=', '{': '[', '}': ']', '|': '\\', ':': ';', '"': "'", '<': ',', '>': '.', '?': '/'
};
const sanitizeHotkeyInput = (value) => {
if (!value || typeof value !== 'string') return '';
let cleaned = value.trim().toLowerCase().replace(/\s*\+\s*/g, '+');
const parts = cleaned.split('+').filter(Boolean);
let modifiers = []; let key = '';
parts.forEach(part => {
if (['shift', 'ctrl', 'alt'].includes(part)) {
if (!modifiers.includes(part)) modifiers.push(part);
} else if (!key) key = part;
});
if (SHIFTED_SYMBOL_MAP[key]) {
key = SHIFTED_SYMBOL_MAP[key];
if (!modifiers.includes('shift')) modifiers.push('shift');
}
if (!key) return '';
return [...modifiers.sort(), key].join('+');
};
const normalizeHotkey = (hk) => {
const sanitized = sanitizeHotkeyInput(hk);
if (!sanitized) return { key: '', modifiers: { shift: false, ctrl: false, alt: false } };
const parts = sanitized.split('+');
const key = parts.pop();
const modifiers = {
shift: parts.includes('shift'),
ctrl: parts.includes('ctrl'),
alt: parts.includes('alt')
};
return { key, modifiers };
};
const getHotkeyCombos = ({ key, modifiers }) => {
const mods = (modifiers.ctrl ? 'ctrl+' : '') + (modifiers.alt ? 'alt+' : '') + (modifiers.shift ? 'shift+' : '');
const combos = [mods + key];
if (modifiers.shift) {
const shiftedKey = Object.keys(SHIFTED_SYMBOL_MAP).find(k => SHIFTED_SYMBOL_MAP[k] === key);
if (shiftedKey) {
const baseMods = (modifiers.ctrl ? 'ctrl+' : '') + (modifiers.alt ? 'alt+' : '');
combos.push(baseMods + shiftedKey);
}
}
return combos;
};
const hotkeyMap = {};
const buildHotkeyMap = () => {
Object.keys(hotkeyMap).forEach(k => delete hotkeyMap[k]);
Object.keys(currentSettings.hotkeys).forEach(action => {
getHotkeyCombos(normalizeHotkey(currentSettings.hotkeys[action])).forEach(combo => {
hotkeyMap[combo] = action;
});
});
};
buildHotkeyMap();
const onKeyDown = (e) => {
const isShiftedSym = e.shiftKey && (e.key in SHIFTED_SYMBOL_MAP);
const combo = [
e.altKey ? 'alt+' : '',
e.ctrlKey ? 'ctrl+' : '',
e.shiftKey && !isShiftedSym ? 'shift+' : '',
e.key.toLowerCase()
].join('');
const action = hotkeyMap[combo];
if (isSettingsOpen) {
if (e.key === "Escape" || action === 'toggleSettings') {
hideSettingsModal();
e.preventDefault();
e.stopImmediatePropagation();
}
return;
}
if (action) {
e.stopImmediatePropagation(); e.preventDefault();
switch (action) {
case 'toggleMute': toggleMute(); break;
case 'toggleStats': toggleStats(); break;
case 'toggleMiniStats': toggleMiniStats(); break;
case 'increaseSpeed': applySpeed(targetSpeed + SPEED_STEP); break;
case 'decreaseSpeed': applySpeed(targetSpeed - SPEED_STEP); break;
case 'increaseSpeedFine': applySpeed(targetSpeed + SPEED_STEP_FINE); break;
case 'decreaseSpeedFine': applySpeed(targetSpeed - SPEED_STEP_FINE); break;
case 'volumeUp': applyVolume(targetVolume + (currentSettings.volumeStep / 100)); break;
case 'volumeDown': applyVolume(targetVolume - (currentSettings.volumeStep / 100)); break;
case 'toggleSettings': showSettingsModal(); break;
}
showControls();
}
};
window.addEventListener("keydown", onKeyDown, true);
const btnGroup = document.createElement("div");
btnGroup.id = "custom-btn-group";
btnGroup.append(toggleBtn, wlBtn, urlBtn, thumbBtn, pfpBtn, screenshotBtn, clipBtn, replayBtn, pipBtn, speedBtn, statsBtn, settingsBtn);
updateButtonVisibility();
let isHoveringBtnGroup = false;
btnGroup.addEventListener("mouseenter", () => { isHoveringBtnGroup = true; });
btnGroup.addEventListener("mouseleave", () => { isHoveringBtnGroup = false; });
const ALL_CONTROLS = [muteBtn, vol, btnGroup];
let controlsVisible = false, lastInteractionTime = 0;
const checkHideControls = () => {
if (Date.now() - lastInteractionTime >= 2000 && !isHoveringBtnGroup) {
controlsVisible = false;
ALL_CONTROLS.forEach(el => el.classList.remove("show"));
} else {
controlsTimeout = setTimeout(checkHideControls, 2000);
}
};
const showControls = () => {
lastInteractionTime = Date.now();
if (!controlsVisible) {
controlsVisible = true;
ALL_CONTROLS.forEach(el => el.classList.add("show"));
clearTimeout(controlsTimeout);
controlsTimeout = setTimeout(checkHideControls, 2000);
}
};
const onMouseMove = () => {
const now = Date.now();
if (now - lastMouseMoveTime < MOUSE_THROTTLE_MS) return;
lastMouseMoveTime = now;
showControls();
};
window.addEventListener("mousemove", onMouseMove, { passive: true });
const onFullscreenChange = () => {
if (document.fullscreenElement) {
showControls();
const p = getPlayer();
if (p && typeof p.playVideo === 'function') {
video.dispatchEvent(new MouseEvent('mousemove', { bubbles: true }));
}
}
};
document.addEventListener('fullscreenchange', onFullscreenChange);
// memory 2
const initialVid = getVideoId(getPlayer());
if (initialVid) {
const cachedVol = currentSettings.enableVolumeCache ? currentSettings.volumeCache[initialVid] : undefined;
if (cachedVol !== undefined) {
applyVolume(cachedVol);
const reapplyCount = { n: 0 };
const reapply = () => {
if (reapplyCount.n++ < 5 && Math.abs(video.volume - cachedVol) > 0.01) {
applyVolume(cachedVol);
}
};
[100, 300, 600, 1200, 2000].forEach(ms => setTimeout(reapply, ms));
} else {
applyVolume(currentSettings.initialVolume / 100);
}
if (currentSettings.miniStatsCache[initialVid]) {
toggleMiniStats();
}
}
applySpeed(targetSpeed);
showControls();
const onDblClick = (e) => {
if (isSettingsOpen) return;
if (e.target.closest("#custom-btn-group, #custom-mute-btn, #custom-vol-slider")) return;
if (document.fullscreenElement) {
document.exitFullscreen().catch(() => { });
return;
}
if (!document.fullscreenEnabled) {
window.parent.postMessage({ type: 'YTEE_REQUEST_FULLSCREEN' }, '*');
return;
}
document.documentElement.requestFullscreen().catch(() => {
if (video.requestFullscreen) video.requestFullscreen().catch(() => { });
});
};
window.addEventListener("dblclick", onDblClick, { passive: true });
const initUI = () => {
document.body.prepend(volPct, speedOverlay, clipOverlay, replayOverlay, miniStats, vol, muteBtn, btnGroup);
};
initUI();
// Cleanup
const updateEmbedWidth = () => {
const w = document.documentElement.clientWidth || window.innerWidth;
document.documentElement.style.setProperty('--ytee-ew', w + 'px');
if (typeof applyMiniStatsPos === 'function') applyMiniStatsPos();
};
updateEmbedWidth();
const resizeObs = new ResizeObserver(updateEmbedWidth);
resizeObs.observe(document.documentElement);
if (typeof GM_addValueChangeListener === 'function') {
GM_addValueChangeListener('ytee-settings', (name, oldVal, newVal, remote) => {
if (remote) {
try {
currentSettings = normalizeSettings(typeof newVal === 'string' ? JSON.parse(newVal) : newVal);
updateButtonVisibility();
buildHotkeyMap();
applyQuality();
applyUIStates(currentSettings);
} catch (e) { console.warn('Failed to sync settings', e); }
}
});
}
const cleanup = () => {
clearTimeout(volTimeout); clearTimeout(speedTimeout); clearTimeout(controlsTimeout); clearInterval(miniStatsInterval);
if (clipRafId) cancelAnimationFrame(clipRafId);
window.removeEventListener("wheel", onWheel);
window.removeEventListener("keydown", onKeyDown, true);
window.removeEventListener("mousemove", onMouseMove);
window.removeEventListener("dblclick", onDblClick);
document.removeEventListener('fullscreenchange', onFullscreenChange);
if (wheelRafId) cancelAnimationFrame(wheelRafId);
clipRafId = null; wheelRafId = 0;
if (clipRecorder) { try { if (clipRecorder.state !== 'inactive') clipRecorder.stop(); } catch (e) { } clipRecorder = null; }
if (activeStream) { activeStream.getTracks().forEach(t => t.stop()); activeStream = null; }
if (clipAudioDestination) {
if (recordingGain) try { recordingGain.disconnect(clipAudioDestination); } catch (e) { }
clipAudioDestination = null;
}
if (audioContext) { audioContext.suspend().catch(() => { }); }
stopInstantReplay();
replayChunks = [];
replayInitChunk = null;
cachedPlayer = null;
resizeObs.disconnect();
[settingsModal, btnGroup, volPct, speedOverlay, clipOverlay, replayOverlay, miniStats, vol, muteBtn].forEach(el => {
if (el && el.parentNode) el.remove();
});
};
window.addEventListener('pagehide', cleanup);
});
})();