影片音量增強器

增强影片音量上限，最高增幅至 20 倍。有些不支援的网站，影片会没声音，禁用增幅即可。命令选单有时有 BUG 会多创建一个，但不影响原功能使用。
当前为 2024-02-19 提交的版本，查看最新版本。
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// ==UserScript==
// @name         影片音量增強器
// @version      0.0.32
// @author       HentaiSaru
// @description  增強影片音量上限，最高增幅至 20 倍，有些不支援的網站，影片會沒聲音 或是 沒有效果，命令選單有時有 BUG 會多創建一個，但不影響原功能使用。
// @description:zh-TW 增強影片音量上限，最高增幅至 20 倍，有些不支援的網站，影片會沒聲音禁用增幅即可，命令選單有時有 BUG 會多創建一個，但不影響原功能使用。
// @description:zh-CN 增强影片音量上限，最高增幅至 20 倍。有些不支援的网站，影片会没声音，禁用增幅即可。命令选单有时有 BUG 会多创建一个，但不影响原功能使用。
// @description:en Enhance the upper limit of video volume, boosting up to 20 times. For unsupported websites where videos have no sound, disabling the boost is sufficient. Occasionally, there may be a bug in the command menu causing duplication, but it does not affect the original functionality.

// @match        *://*/*
// @icon         https://cdn-icons-png.flaticon.com/512/8298/8298181.png

// @license      MIT
// @namespace    https://greasyfork.org/users/989635

// @run-at       document-start
// @grant        unsafeWindow
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// @require      https://update.greasyfork.org/scripts/487608/1330066/GrammarSimplified.js
// ==/UserScript==
(function(){if(/^(http|https):\/\/(?!chrome\/|about\/).*$/i.test(document.URL)){class l extends API{constructor(){super();this.Increase=this.Booster=null;this.StyleTag=!1;this.Domain=location.hostname;this.Display=this.Language(navigator.language);this.BannedDomains=this.store("get","BannedDomains",[]);this.ExcludeStatus=this.BannedDomains.includes(this.Domain);this.BannedDomain=async a=>{this.ExcludeStatus?this.BannedDomains=this.BannedDomains.filter(b=>b!=a):this.BannedDomains.push(a);this.store("set","BannedDomains",this.BannedDomains);location.reload()};this.StatusMenu=async a=>{this.Menu({[a]:()=>this.BannedDomain(this.Domain)})};this.MenuHotkey=async a=>{this.Listen(document,"keydown",b=>{b.altKey&&"B"==b.key.toUpperCase()&&this.IncrementalSetting()},{passive:!0,capture:!0},b=>{const d=`${(performance.now()-a).toFixed(2)}ms`;b?this.log("Hotkey Success",d):this.log("Hotkey Failed",d)})};this.Verify=()=>{const a=this.$$("video");return a&&a.hasAttribute("Media-Audio-Booster")?!0:!1}}static async Injection(){let a,b=new l;b.ExcludeStatus?b.StatusMenu(b.Display.MS):((new MutationObserver(()=>{(a=b.$$("video"))&&!a.hasAttribute("Media-Audio-Booster")&&b.Trigger(a,performance.now())})).observe(document.head,{childList:!0,subtree:!0}),b.StatusMenu(b.Display.MD))}async Trigger(a,b){try{this.Increase=this.store("get",this.Domain)||1,this.Booster=this.BoosterLogic(a,this.Increase,b),this.StyleTag||(this.StyleTag=!0,this.AddStyle(".Booster-Modal-Background {top: 0;left: 0;width: 100%;height: 100%;display: flex;z-index: 9999;overflow: auto;position: fixed;align-items: center;justify-content: center;}.Booster-Modal-Button {top: 0;margin: 3% 2%;color: #d877ff;font-size: 16px;font-weight: bold;padding: 0 0.3rem;border-radius: 3px;background-color: #ffebfa;border: 1px solid rgb(124, 183, 252);}.Booster-Modal-Button:hover,.Booster-Modal-Button:focus {color: #fc0e85;cursor: pointer;text-decoration: none;}.Booster-Modal-Content {width: 400px;padding: 5px;overflow: auto;background-color: #cff4ff;border-radius: 10px;text-align: center;border: 2px ridge #82c4e2;border-collapse: collapse;margin: 2% auto 8px auto;}.Booster-Multiplier {font-size:25px;color:rgb(253, 1, 85);margin: 10px;font-weight:bold;}.Booster-Slider {width: 350px;}div input {cursor: pointer;}"))}catch(d){this.log("Trigger Error : ",d,"error")}}BoosterLogic(a,b,d){const c=window.AudioContext||window.oAudioContext;try{if(!c)throw this.Display.BT1;const e=new c,n=e.createMediaElementSource(a),g=e.createGain(),h=e.createBiquadFilter(),k=e.createBiquadFilter(),f=e.createDynamicsCompressor();a.volume=1;g.gain.value=b**2;f.ratio.value=6;f.knee.value=.5;f.threshold.value=-14;f.attack.value=.02;f.release.value=.4;h.frequency.value=250;h.type="lowshelf";h.gain.value=2.2;k.frequency.value=1E4;k.type="highshelf";k.gain.value=1.8;n.connect(g).connect(h).connect(k);g.connect(f).connect(e.destination);a.setAttribute("Media-Audio-Booster",!0);if(!this.Verify())throw this.Display.BT2;this.Menu({[this.Display.MK]:()=>alert(this.Display.MKT),[this.Display.MM]:()=>this.IncrementalSetting()});this.MenuHotkey(d);this.log(this.Display.BT3,{"Booster Media : ":a,"Elapsed Time : ":`${(performance.now()-d).toFixed(2)}ms`});return{setVolume:m=>{g.gain.value=m**2;this.Increase=m}}}catch(e){this.log(this.Display.BT4,e)}}async IncrementalSetting(){if(!this.$$(".Booster-Modal-Background")){const a=document.createElement("div");a.innerHTML=`<div class="Booster-Modal-Background"><div class="Booster-Modal-Content"><h2 style="color: #3754f8;">${this.Display.ST}</h2><div style="margin:1rem auto 1rem auto;"><div class="Booster-Multiplier"><span><img src="https://cdn-icons-png.flaticon.com/512/8298/8298181.png" width="5%">${this.Display.S1}</span><span id="CurrentValue">${this.Increase}</span><span>${this.Display.S2}</span></div><input type="range" id="sound-amplification" class="Booster-Slider" min="0" max="20.0" value="${this.Increase}" step="0.1"><br></div><div style="text-align: right;"><button class="Booster-Modal-Button" id="sound-save">${this.Display.SS}</button><button class="Booster-Modal-Button" id="sound-close">${this.Display.SC}</button></div></div></div>`;document.body.appendChild(a);const b=this.$$("#CurrentValue"),d=this.$$("#sound-amplification");this.AddListener(d,"input",c=>{c=c.target.value;b.textContent=c;this.Booster.setVolume(c)},{passive:!0,capture:!0});this.AddListener(this.$$(".Booster-Modal-Background"),"click",c=>{c.stopPropagation();c=c.target;"sound-save"===c.id?(this.Increase=c=parseFloat(d.value),this.store("set",this.Domain,c),this.$$(".Booster-Modal-Background").remove()):"Booster-Modal-Background"!==c.className&&"sound-close"!==c.id||this.$$(".Booster-Modal-Background").remove()},{capture:!0})}}Language(a){const b={"zh-TW":[{MS:"\u2705 \u555f\u7528\u589e\u5e45",MD:"\u274c \u7981\u7528\u589e\u5e45",MK:"\ud83d\udcdc \u83dc\u55ae\u71b1\u9375",MM:"\ud83d\udee0\ufe0f \u8abf\u6574\u83dc\u55ae",MKT:"\u71b1\u9375\u547c\u53eb\u8abf\u6574\u83dc\u55ae!!\n\n\u5feb\u6377\u7d44\u5408 : (Alt + B)",BT1:"\u4e0d\u652f\u63f4\u97f3\u983b\u589e\u5f37\u7bc0\u9ede",BT2:"\u6dfb\u52a0\u589e\u5f37\u7bc0\u9ede\u5931\u6557",BT3:"\u6dfb\u52a0\u589e\u5f37\u7bc0\u9ede\u6210\u529f",BT4:"\u589e\u5f37\u5931\u6557",ST:"\u97f3\u91cf\u589e\u5f37",S1:"\u589e\u5f37\u500d\u6578 ",S2:" \u500d",SS:"\u4fdd\u5b58\u8a2d\u7f6e",SC:"\u9000\u51fa\u9078\u55ae"}],"zh-CN":[{MS:"\u2705 \u542f\u7528\u589e\u5e45",MD:"\u274c \u7981\u7528\u589e\u5e45",MK:"\ud83d\udcdc \u83dc\u5355\u70ed\u952e",MM:"\ud83d\udee0\ufe0f \u8c03\u6574\u83dc\u5355",MKT:"\u70ed\u952e\u547c\u53eb\u8c03\u6574\u83dc\u5355!!\n\n\u5feb\u6377\u7ec4\u5408 : (Alt + B)",BT1:"\u4e0d\u652f\u63f4\u97f3\u9891\u589e\u5f3a\u8282\u70b9",BT2:"\u6dfb\u52a0\u589e\u5f3a\u8282\u70b9\u5931\u8d25",BT3:"\u6dfb\u52a0\u589e\u5f3a\u8282\u70b9\u6210\u529f",BT4:"\u589e\u5f3a\u5931\u8d25",ST:"\u97f3\u91cf\u589e\u5f3a",S1:"\u589e\u5f3a\u500d\u6570 ",S2:" \u500d",SS:"\u4fdd\u5b58\u8bbe\u7f6e",SC:"\u9000\u51fa\u83dc\u5355"}],"en-US":[{MS:"\u2705 Enable Boost",MD:"\u274c Disable Boost",MK:"\ud83d\udcdc Menu Hotkey",MM:"\ud83d\udee0\ufe0f Adjust Menu",MKT:"Hotkey to Call Menu Adjustments!!\n\nShortcut: (Alt + B)",BT1:"Audio enhancement node not supported",BT2:"Failed to add enhancement node",BT3:"Enhancement node added successfully",BT4:"Enhancement failed",ST:"Volume Boost",S1:"Boost Level ",S2:" X",SS:"Save Settings",SC:"Exit Menu"}]};return b.hasOwnProperty(a)?b[a][0]:b["en-US"][0]}}l.Injection()}})();