Audio Equalizer

Эквалайзер с UI, перетаскиванием и изменением тона для Kick.com

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         Audio Equalizer
// @namespace    http://tampermonkey.net/
// @version      1.4.26
// @description  Эквалайзер с UI, перетаскиванием и изменением тона для Kick.com
// @author       Tapeavion-gullampis810
// @match        ://*/*
// @license         MIT
// @icon         https://greasyfork.s3.us-east-2.amazonaws.com/xp4m73v6kixyvkv6tawfe54eiu9x
// @run-at       document-end
// ==/UserScript==

// matches  ://*/* / /
//  https://www.youtube.com/*
// etc

(function () {
    'use strict';

    if (window.eqHasRun) return;
    window.eqHasRun = true;

    const STORAGE_KEY = 'customAudioEqSettings';

    // Функции сохранения/загрузки
    function saveSettings() {
        const settings = {
            bass: document.getElementById('bass').value,
            mid: document.getElementById('mid').value,
            treble: document.getElementById('treble').value,
            volume: document.getElementById('volume').value,
            pitch: document.getElementById('pitch').value
        };
        localStorage.setItem(STORAGE_KEY, JSON.stringify(settings));
    }

    function loadSettings() {
        const saved = localStorage.getItem(STORAGE_KEY);
        if (!saved) return false;

        try {
            const settings = JSON.parse(saved);

            document.getElementById('bass').value = settings.bass || 0;
            document.getElementById('mid').value = settings.mid || 0;
            document.getElementById('treble').value = settings.treble || 0;
            document.getElementById('volume').value = settings.volume || 100;
            document.getElementById('pitch').value = settings.pitch || 100;

            // Обновляем отображаемые значения
            document.getElementById('bass-val').textContent = settings.bass + ' dB';
            document.getElementById('mid-val').textContent = settings.mid + ' dB';
            document.getElementById('treble-val').textContent = settings.treble + ' dB';
            document.getElementById('volume-val').textContent = settings.volume + '%';
            document.getElementById('pitch-val').textContent = (settings.pitch / 100).toFixed(2) + '×';

            return true;
        } catch (e) {
            console.error('Ошибка загрузки настроек EQ');
            return false;
        }
    }

    // CSS
    const style = document.createElement('style');
    style.textContent = `
        #eq-toggle-btn {
            position: fixed;
            top: 12px;
            right: 290px;
            width: 40px;
            height: 40px;
            background: #00ff00;
            color: #000;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 18px;
            cursor: pointer;
            z-index: 10000;
            box-shadow: 0 4px 15px rgba(0,0,0,0.6);
            user-select: none;
        }
        #eq-panel {
            position: fixed;
            top: 80px;
            right: 80px;
            width: 320px;
            background: rgb(13 28 21);
            color: #fff;
            border-radius: 12px;
            padding: 12px;
            z-index: 9999;
            box-shadow: 0 8px 30px rgba(0,0,0,0.8);
            display: none;
            font-family: Arial, sans-serif;
            user-select: none;
            border: 2px solid #479847;
        }
        #eq-header {
            background: #479847;
            padding: 8px;
            border-radius: 8px;
            text-align: center;
            cursor: move;
            margin-bottom: 12px;
            position: relative;
            color: #14141e;
            font-family: revert;
            font-weight: 700;
        }
        #eq-close-btn {
            position: absolute;
            right: 8px;
            top: 4px;
            cursor: pointer;
            font-size: 20px;
        }
        #eq-header:hover {
            background: #8bbf8b;
            padding: 12px;
            border-radius: 15px;
            text-align: center;
            cursor: move;
            margin-bottom: 12px;
            color: #14141e;
            font-weight: 700;
}

        #eq-toggle-btn:hover {
            background: #b9a2cb;
            color: #14141e;
            font-weight: 700;
}
        .slider-container {
            margin: 12px 0;
        }
        .slider-container label {
            display: block;
            margin-bottom: 4px;
            font-size: 14px;
        }
        .slider-container input[type="range"] {
            width: 100%;
            appearance: none;
            background: #47984769;
            border-radius: 8px;
        }
        .value {
            float: right;
            font-size: 14px;
        }
    `;
    document.head.appendChild(style);

   // Кнопка и панель (без изменений)
    const toggleBtn = document.createElement('div');
    toggleBtn.id = 'eq-toggle-btn';
    toggleBtn.textContent = 'EQ';
    document.body.appendChild(toggleBtn);

    const panel = document.createElement('div');
    panel.id = 'eq-panel';
    panel.innerHTML = `
        <div id="eq-header">
             Audio Equalizer
            <span id="eq-close-btn"> X </span>
        </div>
        <div class="slider-container">
            <label>Bass</label>
            <input type="range" id="bass" min="-20" max="20" value="0" step="0.5">
            <span class="value" id="bass-val">0 dB</span>
        </div>
        <div class="slider-container">
            <label>Mid</label>
            <input type="range" id="mid" min="-20" max="20" value="0" step="0.5">
            <span class="value" id="mid-val">0 dB</span>
        </div>
        <div class="slider-container">
            <label>Treble</label>
            <input type="range" id="treble" min="-20" max="20" value="0" step="0.5">
            <span class="value" id="treble-val">0 dB</span>
        </div>
        <div class="slider-container">
            <label>Volume</label>
            <input type="range" id="volume" min="0" max="200" value="100" step="5">
            <span class="value" id="volume-val">100%</span>
        </div>
        <div class="slider-container">
            <label>Tone / Speed</label>
            <input type="range" id="pitch" min="50" max="200" value="100" step="1">
            <span class="value" id="pitch-val">1.00×</span>
        </div>
    `;
    document.body.appendChild(panel);

    // Загружаем сохранённые настройки сразу после создания панели
    loadSettings();

    const closeBtn = panel.querySelector('#eq-close-btn');
    const header = panel.querySelector('#eq-header');

    // Drag (без изменений)
    let isDragging = false;
    let offsetX, offsetY;

    header.addEventListener('mousedown', (e) => {
        if (e.target === closeBtn) return;
        isDragging = true;
        offsetX = e.clientX - panel.getBoundingClientRect().left;
        offsetY = e.clientY - panel.getBoundingClientRect().top;
    });

    document.addEventListener('mousemove', (e) => {
        if (!isDragging) return;
        panel.style.left = (e.clientX - offsetX) + 'px';
        panel.style.top = (e.clientY - offsetY) + 'px';
        panel.style.right = 'auto';
        panel.style.bottom = 'auto';
    });

    document.addEventListener('mouseup', () => {
        isDragging = false;
    });

    closeBtn.onclick = () => {
        panel.style.display = 'none';
    };

    // Аудио-часть
    let audioContext = null;
    let source = null;
    let lowFilter, midFilter, highFilter, gainNode;
    let video = null;

    async function initAudio() {
        if (audioContext) return;

        video = document.querySelector('video');
        if (!video) {
            alert('Видео не найдено. Подождите загрузки стрима и нажмите EQ ещё раз.');
            return;
        }

        audioContext = new (window.AudioContext || window.webkitAudioContext)();
        await audioContext.resume();

        source = audioContext.createMediaElementSource(video);
        video.volume = 0;

        lowFilter = audioContext.createBiquadFilter();
        lowFilter.type = 'lowshelf';
        lowFilter.frequency.value = 200;

        midFilter = audioContext.createBiquadFilter();
        midFilter.type = 'peaking';
        midFilter.frequency.value = 1000;
        midFilter.Q.value = 1;

        highFilter = audioContext.createBiquadFilter();
        highFilter.type = 'highshelf';
        highFilter.frequency.value = 5000;

        gainNode = audioContext.createGain();

        source.connect(lowFilter);
        lowFilter.connect(midFilter);
        midFilter.connect(highFilter);
        highFilter.connect(gainNode);
        gainNode.connect(audioContext.destination);

        // Применяем текущие (возможно сохранённые) значения после инициализации
        applyCurrentSettings();
    }

    function applyCurrentSettings() {
        if (!audioContext || !video) return;

        const bassVal = parseFloat(document.getElementById('bass').value);
        const midVal = parseFloat(document.getElementById('mid').value);
        const trebleVal = parseFloat(document.getElementById('treble').value);
        const volumeVal = parseFloat(document.getElementById('volume').value) / 100;
        const pitchVal = parseFloat(document.getElementById('pitch').value) / 100;

        lowFilter.gain.value = bassVal;
        midFilter.gain.value = midVal;
        highFilter.gain.value = trebleVal;
        gainNode.gain.value = volumeVal;
        video.playbackRate = pitchVal;
    }

    toggleBtn.onclick = async () => {
        await initAudio();
        panel.style.display = (panel.style.display === 'block') ? 'none' : 'block';
    };

    // Слайдеры — обновление + сохранение
    const sliders = ['bass', 'mid', 'treble', 'volume', 'pitch'];
    sliders.forEach(id => {
        panel.querySelector('#' + id).oninput = (e) => {
            const val = e.target.value;

            if (id === 'bass' && lowFilter) lowFilter.gain.value = parseFloat(val);
            if (id === 'mid' && midFilter) midFilter.gain.value = parseFloat(val);
            if (id === 'treble' && highFilter) highFilter.gain.value = parseFloat(val);
            if (id === 'volume' && gainNode) gainNode.gain.value = val / 100;
            if (id === 'pitch' && video) video.playbackRate = val / 100;

            // Обновляем текст
            if (id === 'pitch') {
                panel.querySelector('#' + id + '-val').textContent = (val / 100).toFixed(2) + '×';
            } else if (id === 'volume') {
                panel.querySelector('#' + id + '-val').textContent = val + '%';
            } else {
                panel.querySelector('#' + id + '-val').textContent = val + ' dB';
            }

            // Сохраняем все настройки
            saveSettings();
        };
    });
})();