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在所有网站(包括YouTube和TikTok)上强制增强音量，支持Ctrl+Alt+↑/↓/W/S快捷键，最高可增强10倍
// ==UserScript==
// @name 通用音量增强器 - Universal Volume Booster
// @namespace http://tampermonkey.net/
// @version 1.5
// @description 在所有网站(包括YouTube和TikTok)上强制增强音量，支持Ctrl+Alt+↑/↓/W/S快捷键，最高可增强10倍
// @author 醉春风制作
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_addStyle
// @run-at document-start
// @license All Rights Reserved
// ==/UserScript==
/*
通用音量增强器 - Universal Volume Booster
版本: 1.5
作者: 醉春风制作
版权所有 (c) 2025 醉春风制作
保留所有权利。
本脚本为作者独立创作，未经作者明确授权，禁止任何形式的：
1. 复制、修改或二次开发本脚本
2. 重新发布、分发或出售本脚本
3. 移除或修改本脚本中的版权信息和作者信息
使用本脚本即表示您同意遵守上述条款。
*/
(function() {
'use strict';
// 保存用户设置的音量增强倍数
let volumeMultiplier = GM_getValue('volumeMultiplier', 1.0);
let isBoosterActive = GM_getValue('isBoosterActive', false);
let isDragging = false;
let controlsVisible = false;
let hideTimeout;
let lastKeyTime = 0; // 用于防止快捷键重复触发
let mediaElements = []; // 跟踪页面中的所有媒体元素
// 创建音量增强控制界面
function createVolumeControls() {
// 添加样式
GM_addStyle(`
#volume-booster-container {
position: fixed;
top: 20px;
right: 20px;
background-color: rgba(0, 0, 0, 0.7);
color: white;
padding: 10px;
border-radius: 5px;
z-index: 9999999;
font-family: Arial, sans-serif;
transition: opacity 0.3s ease;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
user-select: none;
opacity: 0;
pointer-events: none;
}
#volume-booster-container.visible {
opacity: 1;
pointer-events: auto;
}
#volume-booster-container.active {
border: 2px solid #4CAF50;
}
#volume-booster-container.inactive {
border: 2px solid #F44336;
}
#volume-slider-container {
width: 200px;
margin: 10px 0;
}
#volume-slider {
width: 100%;
height: 5px;
-webkit-appearance: none;
background: linear-gradient(to right, #4CAF50 0%, #4CAF50 ${(volumeMultiplier-1)*100/9}%, #ddd ${(volumeMultiplier-1)*100/9}%, #ddd 100%);
outline: none;
border-radius: 5px;
}
#volume-slider::-webkit-slider-thumb {
-webkit-appearance: none;
width: 15px;
height: 15px;
border-radius: 50%;
background: white;
cursor: pointer;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}
#volume-slider::-moz-range-thumb {
width: 15px;
height: 15px;
border-radius: 50%;
background: white;
cursor: pointer;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
border: none;
}
#volume-value {
text-align: center;
font-size: 14px;
margin-top: 5px;
}
#volume-toggle {
width: 100%;
padding: 5px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 3px;
cursor: pointer;
font-size: 14px;
margin-top: 5px;
}
#volume-toggle.inactive {
background-color: #F44336;
}
.volume-booster-title {
font-size: 14px;
text-align: center;
margin-bottom: 5px;
font-weight: bold;
}
.volume-booster-shortcut {
font-size: 12px;
text-align: center;
margin-top: 5px;
color: #aaa;
}
#volume-status-indicator {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background-color: rgba(0, 0, 0, 0.7);
color: white;
padding: 15px 20px;
border-radius: 5px;
font-size: 16px;
z-index: 9999999;
opacity: 0;
transition: opacity 0.3s ease;
pointer-events: none;
text-align: center;
}
#volume-status-indicator.visible {
opacity: 1;
}
`);
// 创建控制界面
const container = document.createElement('div');
container.id = 'volume-booster-container';
container.className = isBoosterActive ? 'active' : 'inactive';
container.innerHTML = `
<div class="volume-booster-title">音量增强器 - 醉春风制作</div>
<div id="volume-slider-container">
<input type="range" id="volume-slider" min="1" max="10" step="0.1" value="${volumeMultiplier}">
<div id="volume-value">增强倍数: ${volumeMultiplier.toFixed(1)}x</div>
</div>
<button id="volume-toggle" class="${isBoosterActive ? '' : 'inactive'}">${isBoosterActive ? '已启用' : '已禁用'}</button>
<div class="volume-booster-shortcut">快捷键: Ctrl+Alt+↑/↓ Ctrl+Alt+W/S</div>
`;
document.body.appendChild(container);
// 创建状态指示器
const statusIndicator = document.createElement('div');
statusIndicator.id = 'volume-status-indicator';
document.body.appendChild(statusIndicator);
// 添加事件监听
const slider = document.getElementById('volume-slider');
const toggle = document.getElementById('volume-toggle');
slider.addEventListener('input', function() {
volumeMultiplier = parseFloat(this.value);
document.getElementById('volume-value').textContent = `增强倍数: ${volumeMultiplier.toFixed(1)}x`;
this.style.background = `linear-gradient(to right, #4CAF50 0%, #4CAF50 ${(volumeMultiplier-1)*100/9}%, #ddd ${(volumeMultiplier-1)*100/9}%, #ddd 100%)`;
// 保存设置
GM_setValue('volumeMultiplier', volumeMultiplier);
applyVolumeBoost();
});
toggle.addEventListener('click', function() {
toggleBooster();
});
// 鼠标悬停显示控制界面
container.addEventListener('mouseenter', function() {
clearTimeout(hideTimeout);
});
container.addEventListener('mouseleave', function() {
if (!isDragging) {
hideTimeout = setTimeout(() => {
hideControls();
}, 2000);
}
});
return container;
}
// 显示状态消息
function showStatusMessage(message) {
const statusIndicator = document.getElementById('volume-status-indicator');
if (!statusIndicator) return;
statusIndicator.textContent = message;
statusIndicator.classList.add('visible');
setTimeout(() => {
statusIndicator.classList.remove('visible');
}, 1500);
}
// 显示控制界面
function showControls() {
clearTimeout(hideTimeout);
if (!document.getElementById('volume-booster-container')) {
createVolumeControls();
}
const container = document.getElementById('volume-booster-container');
container.classList.add('visible');
controlsVisible = true;
hideTimeout = setTimeout(() => {
hideControls();
}, 3000);
}
// 隐藏控制界面
function hideControls() {
if (!isDragging) {
const container = document.getElementById('volume-booster-container');
if (container) {
container.classList.remove('visible');
controlsVisible = false;
}
}
}
// 应用音量增强
function applyVolumeBoost() {
// 获取所有媒体元素
mediaElements = [...document.querySelectorAll('video, audio')];
// 特殊处理YouTube和TikTok
const isYouTube = window.location.hostname.includes('youtube.com');
const isTikTok = window.location.hostname.includes('tiktok.com');
mediaElements.forEach(media => {
// 保存原始音量
if (media.dataset.originalVolume === undefined) {
media.dataset.originalVolume = media.volume;
}
// 应用或恢复音量
if (isBoosterActive) {
// 使用 AudioContext 增强音量
setupAudioBooster(media, isYouTube, isTikTok);
} else {
// 恢复原始音量
if (media.dataset.originalVolume !== undefined) {
media.volume = parseFloat(media.dataset.originalVolume);
}
// 断开音频处理节点
if (media.boosterSource) {
try {
media.boosterSource.disconnect();
media.boosterGain.disconnect();
media.boosterSource = null;
media.boosterGain = null;
media.boosterContext = null;
} catch (e) {
console.log('断开音频节点失败:', e);
}
}
}
});
}
// 使用 AudioContext 设置音量增强
function setupAudioBooster(mediaElement, isYouTube, isTikTok) {
if (!mediaElement.boosterContext) {
try {
const AudioContext = window.AudioContext || window.webkitAudioContext;
const context = new AudioContext();
const source = context.createMediaElementSource(mediaElement);
const gainNode = context.createGain();
source.connect(gainNode);
gainNode.connect(context.destination);
mediaElement.boosterContext = context;
mediaElement.boosterSource = source;
mediaElement.boosterGain = gainNode;
} catch (e) {
console.log('创建音频处理节点失败:', e);
// 备用方案：直接修改音量属性
if (isYouTube || isTikTok) {
// 对于YouTube和TikTok，使用备用方案
try {
const originalVolume = parseFloat(mediaElement.dataset.originalVolume) || 0.5;
// 确保不超过1.0
mediaElement.volume = Math.min(1.0, originalVolume * volumeMultiplier);
} catch (err) {
console.log('备用音量调整失败:', err);
}
}
return;
}
}
if (mediaElement.boosterGain) {
mediaElement.boosterGain.gain.value = volumeMultiplier;
}
}
// 增加音量
function increaseVolume() {
// 如果未启用，则启用
if (!isBoosterActive) {
enableBooster();
}
// 增加音量倍数
volumeMultiplier = Math.min(10, volumeMultiplier + 0.1);
GM_setValue('volumeMultiplier', volumeMultiplier);
// 更新滑块
if (document.getElementById('volume-slider')) {
document.getElementById('volume-slider').value = volumeMultiplier;
document.getElementById('volume-value').textContent = `增强倍数: ${volumeMultiplier.toFixed(1)}x`;
document.getElementById('volume-slider').style.background = `linear-gradient(to right, #4CAF50 0%, #4CAF50 ${(volumeMultiplier-1)*100/9}%, #ddd ${(volumeMultiplier-1)*100/9}%, #ddd 100%)`;
}
applyVolumeBoost();
showControls();
// 显示状态提示
showStatusMessage(`音量增强: ${volumeMultiplier.toFixed(1)}x`);
}
// 减少音量
function decreaseVolume() {
// 减少音量倍数
volumeMultiplier = Math.max(1, volumeMultiplier - 0.1);
GM_setValue('volumeMultiplier', volumeMultiplier);
// 更新滑块
if (document.getElementById('volume-slider')) {
document.getElementById('volume-slider').value = volumeMultiplier;
document.getElementById('volume-value').textContent = `增强倍数: ${volumeMultiplier.toFixed(1)}x`;
document.getElementById('volume-slider').style.background = `linear-gradient(to right, #4CAF50 0%, #4CAF50 ${(volumeMultiplier-1)*100/9}%, #ddd ${(volumeMultiplier-1)*100/9}%, #ddd 100%)`;
}
applyVolumeBoost();
showControls();
// 显示状态提示
showStatusMessage(`音量增强: ${volumeMultiplier.toFixed(1)}x`);
}
// 启用音量增强器
function enableBooster() {
isBoosterActive = true;
GM_setValue('isBoosterActive', true);
if (document.getElementById('volume-toggle')) {
document.getElementById('volume-toggle').textContent = '已启用';
document.getElementById('volume-toggle').className = '';
document.getElementById('volume-booster-container').className = 'visible active';
}
applyVolumeBoost();
showStatusMessage('音量增强已启用');
}
// 禁用音量增强器
function disableBooster() {
isBoosterActive = false;
GM_setValue('isBoosterActive', false);
if (document.getElementById('volume-toggle')) {
document.getElementById('volume-toggle').textContent = '已禁用';
document.getElementById('volume-toggle').className = 'inactive';
document.getElementById('volume-booster-container').className = 'visible inactive';
}
applyVolumeBoost(); // 这会恢复原始音量
showStatusMessage('音量增强已禁用');
}
// 切换音量增强器状态
function toggleBooster() {
if (isBoosterActive) {
disableBooster();
} else {
enableBooster();
}
}
// 切换控制面板显示状态
function toggleControlPanel() {
if (controlsVisible) {
hideControls();
} else {
showControls();
}
}
// 增强的快捷键检测函数
function isUpArrowWithCtrlAlt(e) {
// 多重检测方法确保兼容性
return e.ctrlKey && e.altKey && (
e.keyCode === 38 ||
e.which === 38 ||
e.code === 'ArrowUp' ||
e.key === 'ArrowUp' ||
e.key === 'Up' ||
e.key === '↑'
);
}
function isDownArrowWithCtrlAlt(e) {
return e.ctrlKey && e.altKey && (
e.keyCode === 40 ||
e.which === 40 ||
e.code === 'ArrowDown' ||
e.key === 'ArrowDown' ||
e.key === 'Down' ||
e.key === '↓'
);
}
function isWKeyWithCtrlAlt(e) {
return e.ctrlKey && e.altKey && (
e.keyCode === 87 ||
e.which === 87 ||
e.code === 'KeyW' ||
e.key === 'w' ||
e.key === 'W'
);
}
function isSKeyWithCtrlAlt(e) {
return e.ctrlKey && e.altKey && (
e.keyCode === 83 ||
e.which === 83 ||
e.code === 'KeyS' ||
e.key === 's' ||
e.key === 'S'
);
}
// 设置键盘监听
function setupKeyboardListeners() {
document.addEventListener('keydown', function(e) {
const now = Date.now();
if (now - lastKeyTime < 200) return;
if (isUpArrowWithCtrlAlt(e)) {
e.preventDefault();
e.stopPropagation();
lastKeyTime = now;
increaseVolume();
return false;
}
if (isDownArrowWithCtrlAlt(e)) {
e.preventDefault();
e.stopPropagation();
lastKeyTime = now;
decreaseVolume();
return false;
}
if (isWKeyWithCtrlAlt(e)) {
e.preventDefault();
e.stopPropagation();
lastKeyTime = now;
enableBooster();
return false;
}
if (isSKeyWithCtrlAlt(e)) {
e.preventDefault();
e.stopPropagation();
lastKeyTime = now;
disableBooster();
return false;
}
}, true);
}
// 监听新添加的媒体元素
function setupMediaObserver() {
const observer = new MutationObserver(mutations => {
let mediaAdded = false;
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
if (node.nodeName === 'VIDEO' || node.nodeName === 'AUDIO') {
mediaAdded = true;
} else if (node.nodeType === 1) {
const mediaElements = node.querySelectorAll('video, audio');
if (mediaElements.length > 0) {
mediaAdded = true;
}
}
});
});
if (mediaAdded && isBoosterActive) {
applyVolumeBoost();
}
});
// 开始观察DOM变化
if (document.body) {
observer.observe(document.body, {
childList: true,
subtree: true
});
}
return observer;
}
// 初始化音量增强器
function initializeVolumeBooster() {
// 创建控制界面但不显示
createVolumeControls();
// 设置键盘监听
setupKeyboardListeners();
// 设置媒体观察器
setupMediaObserver();
// 应用音量增强
if (isBoosterActive) {
applyVolumeBoost();
}
}
// 如果页面已经加载完成，立即初始化
if (document.readyState === 'complete' || document.readyState === 'interactive') {
// 延迟一点以确保DOM已准备好
setTimeout(function() {
if (document.body) {
initializeVolumeBooster();
}
}, 100);
} else {
// 否则等待DOMContentLoaded事件
window.addEventListener('DOMContentLoaded', function() {
setTimeout(function() {
initializeVolumeBooster();
}, 100);
});
}
// 立即设置键盘监听，不等待页面加载
setupKeyboardListeners();
})();