Youtube Speed By Channel

Allow to choose the default speed for specific YT channel

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Youtube Speed By Channel
// @namespace    Alpe
// @version      0.2.15
// @description  Allow to choose the default speed for specific YT channel
// @author       Alpe
// @include      https://www.youtube.com/*
// @grant        GM.setValue
// @grant        GM.getValue
// @grant        GM.deleteValue
// @grant        GM_registerMenuCommand
// @grant        GM_getResourceText
// @run-at       document-start
// @resource     jquery https://code.jquery.com/jquery-3.7.1.min.js
// ==/UserScript==

(async () => {
    if (window.trustedTypes && window.trustedTypes.createPolicy){
        try {
            trustedTypes?.createPolicy?.('default', {createScriptURL: s => s, createScript: s => s, createHTML: s => s});
        } catch {}
    }
    eval(GM_getResourceText('jquery'));
    const defaults = {
        DEFAULT_SPEED: 1.0,
        SHOW_RELATIVE_TIME: true,
        COLOR_SELECTED: "red",
        COLOR_NORMAL: "rgb(220,220,220)",
        BUTTON_TEMPLATES: JSON.stringify([
            ["50%", 0.5],
            ["75%", 0.75],
            ["Normal", 1],
            ["1.25x", 1.25],
            ["1.5x", 1.5],
            ["1.75x", 1.75],
            ["2x", 2],
            ["2.25x", 2.25],
            ["2.5x", 2.5],
            ["3x", 3],
            ["3.5x", 3.5]
        ]),
        AUDIO_BOOST: 1,
        SAVE_RESUME_TIME: false,
        SHOW_ON_PLAYER: false
    }

    for (let name in defaults) {
        let value = defaults[name];
        window[name] = (name === "BUTTON_TEMPLATES" ? JSON.parse(await GM.getValue("_YSC-" + name,value)) : await GM.getValue("_YSC-" + name,value));
    }

    async function toggleconfig(name,e){
        e = e||!(await GM.getValue("_YSC-" + name,defaults[name]));
        GM.setValue("_YSC-" + name,e);
        alert(name + ': ' + e);
    }

    if (typeof GM_registerMenuCommand == 'undefined') {
        this.GM_registerMenuCommand = (caption, commandFunc, accessKey) => {
            if (!document.body) {
                if (document.readyState === 'loading'
                    && document.documentElement && document.documentElement.localName === 'html') {
                    new MutationObserver((mutations, observer) => {
                        if (document.body) {
                            observer.disconnect();
                            GM_registerMenuCommand(caption, commandFunc, accessKey);
                        }
                    }).observe(document.documentElement, {childList: true});
                } else {
                    console.error('GM_registerMenuCommand got no body.');
                }
                return;
            }
            let contextMenu = document.body.getAttribute('contextmenu');
            let menu = (contextMenu ? document.querySelector('menu#' + contextMenu) : null);
            if (!menu) {
                menu = document.createElement('menu');
                menu.setAttribute('id', 'gm-registered-menu');
                menu.setAttribute('type', 'context');
                document.body.appendChild(menu);
                document.body.setAttribute('contextmenu', 'gm-registered-menu');
            }
            let menuItem = document.createElement('menuitem');
            menuItem.textContent = caption;
            menuItem.addEventListener('click', commandFunc, true);
            menu.appendChild(menuItem);
        };
    }


    $.each([
        ["List current settings", async function(){
            var set = [];
            for (let name in defaults) {
                let value = defaults[name];
                set.push(name + ' = ' + await GM.getValue('_YSC-' + name,value) + (( await GM.getValue('_YSC-' + name,value)!=defaults[name])?" [default is " + defaults[name] + "]":""));
            }
            alert(set.join('\n'));
        }],
        ["Configure default speed", async function(){
            var temp = prompt("Default: " + defaults['DEFAULT_SPEED'], await GM.getValue('_YSC-DEFAULT_SPEED',DEFAULT_SPEED));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-DEFAULT_SPEED');
                alert("default restored");
                return;
            }
            temp = parseFloat(temp);
            if (!isNaN(temp)) toggleconfig('DEFAULT_SPEED',temp);
        }],
        ["Show time relative to speed", async function(){
            var temp = prompt("Default: " + defaults['SHOW_RELATIVE_TIME'], await GM.getValue('_YSC-SHOW_RELATIVE_TIME',SHOW_RELATIVE_TIME));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-SHOW_RELATIVE_TIME');
                alert("default restored");
                return;
            }
            if (temp === "true" || temp === "false") toggleconfig('SHOW_RELATIVE_TIME', (temp === "true"));
        }],
        ["Configure Color for the selected speed", async function(){
            var temp = prompt("Default: " + defaults['COLOR_SELECTED'], await GM.getValue('_YSC-COLOR_SELECTED',COLOR_SELECTED));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-COLOR_SELECTED');
                alert("default restored");
                return;
            }
            toggleconfig('COLOR_SELECTED',temp);
        }],
        ["Configure color for unselected speed", async function(){
            var temp = prompt("Default: " + defaults['COLOR_NORMAL'], await GM.getValue('_YSC-COLOR_NORMAL',COLOR_NORMAL));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-COLOR_NORMAL');
                alert("default restored");
                return;
            }
            toggleconfig('COLOR_NORMAL',temp);
        }],
        ["Configure Buttons", async function(){
            var temp = prompt("What buttons should be displayed.\nformat: [text,speed]\neg: [half,0.5][normal,1][double,2]", '[' + JSON.parse(await GM.getValue('_YSC-BUTTON_TEMPLATES',JSON.stringify(BUTTON_TEMPLATES))).join('],[') + ']');
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-BUTTON_TEMPLATES');
                alert("default restored");
                return;
            }
            var match = temp.match(/\[[^,]+,[^\]]+\]/g);
            if (!match){
                alert("invalid option");
            } else {
                var array = [];
                for (let i=0; i < match.length; i++){
                    let match2 = match[i].match(/\[([^,]+),([^\]]+)/);
                    array.push([match2[1], parseFloat(match2[2])])
                }
                toggleconfig('BUTTON_TEMPLATES',JSON.stringify(array));
            }
        }],
        ["Configure audio boost", async function(){
            var temp = prompt("Can be any number bigger than 1.\n\n1    = function disabled\n1.5 = 50% boost\n2    = 100% boost\n\n\nDefault: " + defaults['AUDIO_BOOST'], await GM.getValue('_YSC-AUDIO_BOOST',AUDIO_BOOST));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-AUDIO_BOOST');
                alert("default restored");
                return;
            }
            temp = parseFloat(temp);
            if (!isNaN(temp) && temp >= 1){
                toggleconfig('AUDIO_BOOST',temp);
                window['AUDIO_BOOST'] = temp;
                $(temp === 1 ? 'video[vsb-audioboost]' : 'video').each(function(){
                    audioboost(this, true);
                });
            }
        }],
        ["Save resume time to url", async function(){
            var temp = prompt("Can be true or false\nIf true, it updates the url every 5 seconds with &t= parameter. So if you close the browser or tab and reopen it, the video will start playing close to where you stopped it.\n\nDefault: " + defaults['SAVE_RESUME_TIME'], await GM.getValue('_YSC-SAVE_RESUME_TIME',SAVE_RESUME_TIME));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-SAVE_RESUME_TIME');
                alert("default restored");
                return;
            }
            if (temp === "true" || temp === "false") toggleconfig('SAVE_RESUME_TIME', (temp === "true"));
        }],
        ["Show speed controls on top of the player instead of below the progress bar", async function(){
            var temp = prompt("Can be true or false\n\nDefault: " + defaults['SHOW_ON_PLAYER'], await GM.getValue('_YSC-SHOW_ON_PLAYER',SHOW_ON_PLAYER));
            if (temp === null) return;
            if (temp.length === 0){
                GM.deleteValue('_YSC-SHOW_ON_PLAYER');
                alert("default restored");
                return;
            }
            if (temp === "true" || temp === "false") toggleconfig('SHOW_ON_PLAYER', (temp === "true"));
        }],
        ["Restore default",function(){
            for (let name in defaults) {
                GM.deleteValue('_YSC-' + name);
            }
            alert("Default restored");
        }]
    ], function(a,b){ GM_registerMenuCommand(b[0],b[1]); });

    var stateKey, eventKey;
    {
        let keys = {
            hidden: "visibilitychange",
            webkitHidden: "webkitvisibilitychange",
            mozHidden: "mozvisibilitychange",
            msHidden: "msvisibilitychange"
        }
        for (stateKey in keys) {
            if (stateKey in document) {
                eventKey = keys[stateKey];
                break;
            }
        }
    }

    function vis (c) {
        if (c) document.addEventListener(eventKey, c);
        return !document[stateKey];
    }

    function getspeed(params = {}){
        let speed, reason;
        if (params.hasOwnProperty('force1x') && params.force1x){
            speed = 1;
            reason = "forcing 1x (live?)";
        } else if (params.hasOwnProperty('channelspeed') && typeof params.channelspeed === "number"){
            speed = params.channelspeed;
            reason = "channelspeed";
        } else if (params.hasOwnProperty('defspeed') && Number.isInteger(params.defspeed)){
            speed = params.defspeed;
            reason = "overwritten default (music?)";
        } else {
            speed = DEFAULT_SPEED;
            reason = "default";
        }
        if (params.channelspeed === undefined) delete params.channelspeed;
        if (params.defspeed === null) delete params.defspeed;
        if (params.force1x === false) delete params.force1x;
        params['chosenspeed'] = speed;
        params['chosenreason'] = reason;
        console.log(params);
        return speed;
    }

    function buttonclick(evt){
        let id = evt.target.parentNode.id.match(/\d+$/)[0],
            el = $(evt.target);
        el.parent().children(":not([title])").css("color", COLOR_NORMAL);
        el.css("color", COLOR_SELECTED);
        if ($('video[vsb-video="' + id + '"]').length === 0){
            youtubefix();
        }
        try {
            let video = $('video[vsb-video=' + id + ']')[0];
            video.playbackRate = parseFloat(el.attr('speed'));
            if (SHOW_RELATIVE_TIME || SAVE_RESUME_TIME) changetime(video);
        } catch (err){
            console.log('error on buttonclick()', evt, err);
            setTimeout(function(){ buttonclick(evt); }, 1000);
        }
    }

    function getchannelname (id, div = null){
        try {
            if (div === null) div = $('#channel-name[vsb-channel=' + id + ']');
            let channel = div.find('#container #text:visible:first').text().trim();
            if (!channel){
                channel = div.find('.ytd-channel-name').find('a').text().trim();
            }
            if (!channel){
                let metavid = document.querySelector('#watch7-content > meta[itemprop=videoId]');
                if (metavid !== null && (new URL(div.closest('ytd-watch-flexy, ytd-browse').find('video')[0].baseURI)).searchParams.get('v') === metavid.getAttribute('content')){
                    let metaname = document.querySelector('#watch7-content > span[itemprop=author] > link[itemprop=name]');
                    if (metaname !== null) channel = metaname.getAttribute('content');
                    if (!channel) channel = '';
                }
            }
            return channel;
        } catch (e) {
            console.log("error", e);
            return '';
        }
    }

    function setchanneldefault(el){
        let id = el.target.parentNode.id.match(/\d+$/)[0];
        let channel = getchannelname(id);
        changebuttontitle(id, channel);
        let currentspeed = $('video[vsb-video=' + id + ']')[0].playbackRate;
        el = $(el.target).parent();
        el.children().css("text-decoration", "").filter('span[speed="' + currentspeed + '"]').css("text-decoration", "underline");
        GM.setValue(channel, currentspeed);
        console.log('changing default for (' + channel + ') to (' + currentspeed + ')');
    }

    function createcontainer(curspeed, id){
        let div = document.createElement("div");
        let prev_node = null;

        div.id = "vsb-container" + id;
        div.style.marginBottom = "0px";
        div.style.paddingBottom = "0px";
        div.style.float = "left";
        div.style.fontWeight = "bold";
        div.style.fontSize = "80%";

        div.innerHTML += '<span style="margin-right: 10px; color: white; cursor: pointer;" title="Set current speed as default for this channel">setdefault</span>';
        BUTTON_TEMPLATES.forEach(function(button){
            div.innerHTML += '<span style="margin-right: 10px; color: ' + (curspeed === button[1] ? COLOR_SELECTED : COLOR_NORMAL) + '; cursor: pointer;" speed="' + button[1] + '">' + button[0] + '</span>';
        });

        $('span:not([title])', div).on( "click", buttonclick);
        $('span[title]', div).on( "click", setchanneldefault);

        return div;
    }

    window.vsbid = 0;

    function getid(){
        let id = window.vsbid;
        window.vsbid++;
        return id;
    }

    function changebuttontitle(id, channelname = ''){
        let container = $('#vsb-container' + id + ' > span[title]');
        if (container.length > 0){
            container[0].title = container[0].title.split(' [')[0] + (channelname !== '' ? ' [' + channelname + ']' : '');
        }
    }

    function ob_youtube_movieplayer (mutationsList, observer){
        for(let mutation of mutationsList) {
            if (mutation.attributeName === 'video-id'){
                let el = $('[id^=vsb-container]', mutation.target);
                if (el.length === 0){
                    alert('fixing');
                    console.log('fixing this');
                    youtube();
                    el = $('[id^=vsb-container]', mutation.target);
                }
                let id = el[0].id.match(/\d+$/)[0];
                let channeldiv = $('#channel-name[vsb-channel="' + id + '"]');
                if($('span[speed="1"]', el).click().length === 0) $('video[vsb-video="' + id + '"]')[0].playbackRate = 1;
                $('span', el).css("text-decoration", "");
                changebuttontitle(id);
                setTimeout(async function(){
                    let channelspeed, channelname = getchannelname(id, channeldiv);
                    let tries = 1;
                    while(channelname === '' && tries <= 8){
                        if (tries === 1){
                            alert('sleeping');
                            console.log("id", id);
                            console.log("channeldiv", channeldiv);
                            console.log("channelname", channelname);
                        }
                        console.log('sleeping ' + tries, channeldiv);
                        await (new Promise(resolve => setTimeout(resolve, 200)));
                        channelname = getchannelname(id, channeldiv);
                        tries++;
                    }
                    if (channelname !== ''){
                        channelspeed = await GM.getValue(channelname);
                    } else {
                        channelspeed = undefined;
                    }
                    changebuttontitle(id, channelname);
                    $('span[speed="' + channelspeed + '"]', el).css("text-decoration", "underline");

                    let speed = getspeed({
                        channelname: channelname,
                        channelspeed: channelspeed,
                        defspeed: (channeldiv.find('.badge-style-type-verified-artist').length > 0 || channelname.match(/VEVO$/) ? 1 : null),
                        force1x: (el.closest('#movie_player').find('.ytp-live').length === 1)
                    });
                    if($('span[speed="' + speed + '"]', el).click().length === 0) $('video[vsb-video="' + id + '"]')[0].playbackRate = speed;
                },500);
            }
        }
    }

    function ob_youtube_c4player (mutationsList, observer){
        for(let mutation of mutationsList) {
            if (mutation.attributeName === 'src' && mutation.target.src !== ''){
                let id = mutation.target.getAttribute("vsb-video");
                let channeldiv = $('#channel-name[vsb-channel="' + id + '"]');
                $('video[vsb-video="' + id + '"]')[0].playbackRate = 1;
                setTimeout(async function(){
                    $('video[vsb-video="' + id + '"]')[0].playbackRate = getspeed({
                        channelname: getchannelname(id, channeldiv),
                        channelspeed: await GM.getValue(getchannelname(id, channeldiv)),
                        defspeed: (channeldiv.find('.badge-style-type-verified-artist').length === 1 ? 1 : null)
                    });
                },1000);
            }
        }
    }

    function youtubefix(){
        $('#movie_player[monitored], #c4-player[monitored]').each(
            function(){
                let video = $('video', this);
                if (video.attr('vsb-video') === undefined){
                    let el = $(this);
                    let id = el.attr('monitored');
                    console.log('fixing', video);
                    setTimeout(function(){
                        audioboost(video, true);
                        video.attr('vsb-video', id);
                        youtubefix2('#vsb-container' + id);
                        if (SHOW_RELATIVE_TIME || SAVE_RESUME_TIME) ['timeupdate','seeked', 'pause'].forEach( function(evt) { video[0].addEventListener(evt, changetime,false) });
                    },750);
                } else {
                    console.log('fixing2', video);
                    youtubefix2('#vsb-container' + $(this).attr('monitored'));
                }
            }
        );
    }

    function youtubefix2(el, log = false){
        try {
            $('span:not([title]):visible', el).filter(function() {
                return ( this.style.color == COLOR_SELECTED );
            }).click();
            if (log) console.log('fixing3', video);
        } catch {
            if (log) console.log('fixing3 failed', video);
        }
    }

    function fancyTimeFormat(duration){
        var hrs = ~~(duration / 3600);
        var mins = ~~((duration % 3600) / 60);
        var secs = ~~duration % 60;

        var ret = "";

        if (hrs > 0) {
            ret += "" + hrs + ":" + (mins < 10 ? "0" : "");
        }

        ret += "" + mins + ":" + (secs < 10 ? "0" : "");
        ret += "" + secs;
        return ret;
    }

    function changetime (event){
        let video = (typeof event.target === "object" ? event.target : event);
        if (SHOW_RELATIVE_TIME){
            let id = video.getAttribute('vsb-video');
            let timediv = $('#movie_player[monitored="' + id + '"]:visible .ytp-time-display:visible');
            if (timediv.length === 0) return;
            let reltimespan = timediv[0].getElementsByClassName('vsb-reltime');
            if (reltimespan.length === 0){
                timediv[0].insertAdjacentHTML('beforeend', '<span class="vsb-reltime"></span>');
                reltimespan = timediv[0].getElementsByClassName('vsb-reltime');
            }
            reltimespan[0].innerHTML = (video.playbackRate === 1 || isNaN(video.duration) ? '' : '<span> (</span>' + fancyTimeFormat(video.currentTime / video.playbackRate) + ' / ' + fancyTimeFormat(video.duration / video.playbackRate) + '<span>)</span>');
        }
        if (SAVE_RESUME_TIME){
            const time = Math.floor(video.currentTime),
                  url = new URL(location);
            if (url.pathname === "/watch" && time >= 10){
                if (typeof event.target !== "object" || event.type !== "timeupdate" || Number.isInteger(time/5)){
                    url.searchParams.set('t', (time - 5) + 's');
                    history.replaceState({}, document.title, url.toString())
                }
            } else if (url.searchParams.has('t')){
                url.searchParams.delete('t');
                history.replaceState({}, document.title, url.toString())
            }
        }
    }

    function audioboost(el = null, force = false){
        if (el === null || typeof el !== 'object') el = this;
        if (el.tagName !== "VIDEO") return;
        if (el.getAttribute('vsb-audioboost') === null){
            el.setAttribute('vsb-audioboost', getid());
        } else if (!force){
            return;
        }
        const audioCtx = "YTSBC_audioCtx_" + el.getAttribute('vsb-audioboost');
        try { window[audioCtx].close(); } catch {}
        if (AUDIO_BOOST === 1 && !force) return;
        window[audioCtx] = new AudioContext();
        const source = window[audioCtx].createMediaElementSource(el),
            gainNode = window[audioCtx].createGain();
        gainNode.gain.value = AUDIO_BOOST;
        source.connect(gainNode);
        if (AUDIO_BOOST > 1){
            const limiterNode = window[audioCtx].createDynamicsCompressor();
            limiterNode.threshold.value = -5.0;
            limiterNode.knee.value = 0;
            limiterNode.ratio.value = 40.0;
            limiterNode.attack.value = 0.001;
            limiterNode.release.value = 0.1;

            limiterNode.connect(window[audioCtx].destination);
            gainNode.connect(limiterNode);
        } else {
            gainNode.connect(window[audioCtx].destination);
        }
    }

    function observevideo(el){
        const observer = new MutationObserver((mutationsList, observer) => {
            for(const mutation of mutationsList) {
                if (mutation.target.src === ''){
                    youtubefix();
                } else {
                    const id = mutation.target.getAttribute('vsb-video');
                    youtubefix2('#vsb-container' + id);
                }
            }
        });
        observer.observe(el, {attributes: true, attributeFilter: ['src']});
    }

    function youtube(){
        $('#movie_player:visible:not([monitored]), #c4-player:visible:not([monitored])').each(async function( index ) {
            let el = $(this);
            let speed, channelspeed;
            if (this.id === "movie_player" && !this.classList.contains('ytp-player-minimized')){
                let channeldiv = el.closest('ytd-watch-flexy').find('#upload-info #channel-name');
                if (!channeldiv.length) channeldiv = $('ytd-watch-metadata #upload-info #channel-name');
                if (!channeldiv.length) return;
                let channelname = getchannelname(-1, channeldiv);
                if (channelname === '') return;
                let appendto = (SHOW_ON_PLAYER ? el.find("div.ytp-iv-video-content") : el.find("div.ytp-right-controls"));
                if (!appendto.length) return;
                let videodiv = el.find('video')
                if (!videodiv.length) return;

                let id = getid();
                el.attr('monitored', id);
                channeldiv.attr('vsb-channel', id);
                videodiv.attr('vsb-video', id);
                videodiv.each(audioboost);

                $('#ytp-id-20 .ytp-menuitem-label:contains(Playback speed)', el).parent().css('display', 'none');

                console.log("Adding video-id observer");
                let el2 = el.closest('ytd-watch-flexy');
                if (!el2.length) el2 = $('ytd-watch-flexy:visible');
                (new MutationObserver(ob_youtube_movieplayer)).observe(el2[0], { attributes: true });

                el2 = el.find('video');
                if (!el2.length) el2 = $('video:visible');
                observevideo(el2[0]);

                channelspeed = await GM.getValue(channelname);

                speed = getspeed({
                    channelname: channelname,
                    channelspeed: channelspeed,
                    defspeed: (channeldiv.find('.badge-style-type-verified-artist').length > 0 || channelname.match(/VEVO$/) ? 1 : null),
                    force1x: (el.find('.ytp-live').length === 1)
                });
                let div = createcontainer(speed, id);
                $('span[speed="' + channelspeed + '"]', div).css("text-decoration", "underline");
                if (SHOW_ON_PLAYER){
                    div.style.position = "absolute";
                    div.style.zIndex = 10;
                    div.style.textShadow = "-1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000";
                }
                appendto.append(div);
                changebuttontitle(id, channelname);
                videodiv[0].playbackRate = speed;
                if (SHOW_RELATIVE_TIME || SAVE_RESUME_TIME) ['timeupdate','seeked', 'pause'].forEach( function(evt) { videodiv[0].addEventListener(evt, changetime,false) });
            } else if (this.id === "c4-player"){
                let channeldiv = el.closest('ytd-browse').find('#header #channel-name');
                if (!channeldiv.length) return;
                let channelname = getchannelname(-1, channeldiv);
                if (channelname === '') return;
                let videodiv = el.find('video')
                if (!videodiv.length) return;

                el.attr('monitored', id);
                let id = getid();
                channeldiv.attr('vsb-channel', id);
                videodiv.attr('vsb-video', id);
                videodiv.each(audioboost);

                console.log("Adding c4 observer");
                (new MutationObserver(ob_youtube_c4player)).observe(el.find('video')[0], { attributes: true, subtree: true });

                videodiv[0].playbackRate = getspeed({
                    channelname: channelname,
                    channelspeed: await GM.getValue(channelname),
                    defspeed: (channeldiv.find('.badge-style-type-verified-artist').length === 1 ? 1 : null)
                });
            }
        });
        if (AUDIO_BOOST !== 1){
            $('video:not([vsb-audioboost])').each(audioboost);
        }
    }

    function mark_loop(){
        if (location.host.endsWith('youtube.com')){
            youtube();
            let test = document.querySelectorAll('[monitored]');
            if (test.length < 2){
                setTimeout(mark_loop, ((test.length === 0 || test[0].id !== "movie_player" ? 250 : 2000) * (vis() ? 1 : 2)));
            } else {
                console.log('stopping loop');
            }
        } else {
            setTimeout(mark_loop, 1500 * (vis() ? 1 : 4));
        }
    }
    if (AUDIO_BOOST !== 1){
        mark_loop();
    } else {
        window.addEventListener('load', mark_loop);
    }
})();