Audio Equalizer

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

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

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

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==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();
        };
    });
})();