Added ad stripping to vaft / video-swap-new

- Improved vaft buffering mitigation
- Changed 2k/4k player reload to only occur when the 2k/4k quality is active
- Added new script "strip" which just strips ad segments
- Removed all usage of "var"
This commit is contained in:
pixeltris
2025-11-20 21:59:48 +00:00
parent 2005773619
commit 9cae451c04
8 changed files with 1658 additions and 767 deletions
+313 -210
View File
@@ -2,7 +2,7 @@ twitch-videoad.js text/javascript
(function() {
if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
'use strict';
var ourTwitchAdSolutionsVersion = 16;// Used to prevent conflicts with outdated versions of the scripts
const ourTwitchAdSolutionsVersion = 17;// Used to prevent conflicts with outdated versions of the scripts
if (typeof window.twitchAdSolutionsVersion !== 'undefined' && window.twitchAdSolutionsVersion >= ourTwitchAdSolutionsVersion) {
console.log("skipping vaft as there's another script active. ourVersion:" + ourTwitchAdSolutionsVersion + " activeVersion:" + window.twitchAdSolutionsVersion);
window.twitchAdSolutionsVersion = ourTwitchAdSolutionsVersion;
@@ -15,13 +15,17 @@ twitch-videoad.js text/javascript
scope.BackupPlayerTypes = [
'embed',//Source
'site',//Source
'autoplay'//360p
'autoplay',//360p
'picture-by-picture-CACHED'//360p (-CACHED is an internal suffix and is removed)
];
scope.FallbackPlayerType = 'embed';
scope.ForceAccessTokenPlayerType = 'site';
scope.SkipPlayerReloadOnHevc = false;// If true this will skip player reload on streams which have 2k/4k quality (if you enable this and you use the 2k/4k quality setting you'll get error #4000 / #3000 / spinning wheel on chrome based browsers)
scope.AlwaysReloadPlayerOnAd = false;
scope.PlayerReloadLowResTime = 1500;
scope.AlwaysReloadPlayerOnAd = false;// Always pause/play when entering/leaving ads
scope.ReloadPlayerAfterAd = true;// After the ad finishes do a player reload instead of pause/play
scope.PlayerReloadMinimalRequestsTime = 1500;
scope.PlayerReloadMinimalRequestsPlayerIndex = 0;//embed
scope.HasTriggeredPlayerReload = false;
scope.DisableMatureConentPopup = false;// If true this avoids having to log in to watch age gated content
scope.StreamInfos = [];
scope.StreamInfosByUrl = [];
@@ -31,33 +35,37 @@ twitch-videoad.js text/javascript
scope.ClientIntegrityHeader = null;
scope.AuthorizationHeader = undefined;
scope.SimulatedAdsDepth = 0;
scope.IsPlayerBuffering = false;
scope.LastPausePlay = 0;
scope.FixPlayerBufferingInsideAds = true;
scope.FixPlayerBufferingOutsideAds = false;
scope.DelayBetweenEachPlayerFixBufferAttempt = 3000;
scope.ActiveStreamInfo = null;
scope.PlayerBufferingFix = true;// If true this will pause/play the player when it gets stuck buffering
scope.PlayerBufferingDelay = 500;// How often should we check the player state (in milliseconds)
scope.PlayerBufferingSameStateCount = 3;// How many times of seeing the same player state until we trigger pause/play (it will only trigger it one time until the player state changes again)
scope.PlayerBufferingDangerZone = 1;// The buffering time left (in seconds) when we should ignore the players playback position in the player state check
scope.PlayerBufferingDoPlayerReload = false;// If true this will do a player reload instead of pause/play (player reloading is better at fixing the playback issues but it takes slightly longer)
scope.PlayerBufferingMinRepeatDelay = 5000;// Minimum delay (in milliseconds) between each pause/play (this is to avoid over pressing pause/play when there are genuine buffering problems)
scope.V2API = false;
scope.IsAdStrippingEnabled = true;
scope.AdSegmentCache = new Map();
scope.AllSegmentsAreAdSegments = false;
}
var localStorageHookFailed = false;
var twitchWorkers = [];
var adBlockDiv = null;
var workerStringConflicts = [
let isActivelyStrippingAds = false;
let localStorageHookFailed = false;
const twitchWorkers = [];
let adBlockDiv = null;
const workerStringConflicts = [
'twitch',
'isVariantA'// TwitchNoSub
];
var workerStringAllow = [];
var workerStringReinsert = [
const workerStringAllow = [];
const workerStringReinsert = [
'isVariantA',// TwitchNoSub (prior to (0.9))
'besuper/',// TwitchNoSub (0.9)
'${patch_url}'// TwitchNoSub (0.9.1)
];
function getCleanWorker(worker) {
var root = null;
var parent = null;
var proto = worker;
let root = null;
let parent = null;
let proto = worker;
while (proto) {
var workerString = proto.toString();
const workerString = proto.toString();
if (workerStringConflicts.some((x) => workerString.includes(x)) && !workerStringAllow.some((x) => workerString.includes(x))) {
if (parent !== null) {
Object.setPrototypeOf(parent, Object.getPrototypeOf(proto));
@@ -73,10 +81,10 @@ twitch-videoad.js text/javascript
return root;
}
function getWorkersForReinsert(worker) {
var result = [];
var proto = worker;
const result = [];
let proto = worker;
while (proto) {
var workerString = proto.toString();
const workerString = proto.toString();
if (workerStringReinsert.some((x) => workerString.includes(x))) {
result.push(proto);
} else {
@@ -86,24 +94,24 @@ twitch-videoad.js text/javascript
return result;
}
function reinsertWorkers(worker, reinsert) {
var parent = worker;
for (var i = 0; i < reinsert.length; i++) {
let parent = worker;
for (let i = 0; i < reinsert.length; i++) {
Object.setPrototypeOf(reinsert[i], parent);
parent = reinsert[i];
}
return parent;
}
function isValidWorker(worker) {
var workerString = worker.toString();
const workerString = worker.toString();
return !workerStringConflicts.some((x) => workerString.includes(x))
|| workerStringAllow.some((x) => workerString.includes(x))
|| workerStringReinsert.some((x) => workerString.includes(x));
}
function hookWindowWorker() {
var reinsert = getWorkersForReinsert(window.Worker);
var newWorker = class Worker extends getCleanWorker(window.Worker) {
const reinsert = getWorkersForReinsert(window.Worker);
const newWorker = class Worker extends getCleanWorker(window.Worker) {
constructor(twitchBlobUrl, options) {
var isTwitchWorker = false;
let isTwitchWorker = false;
try {
isTwitchWorker = new URL(twitchBlobUrl).origin.endsWith('.twitch.tv');
} catch {}
@@ -111,8 +119,9 @@ twitch-videoad.js text/javascript
super(twitchBlobUrl, options);
return;
}
var newBlobStr = `
const newBlobStr = `
const pendingFetchRequests = new Map();
${stripAdSegments.toString()}
${getStreamUrlForResolution.toString()}
${processM3U8.toString()}
${hookWorkerFetch.toString()}
@@ -123,8 +132,7 @@ twitch-videoad.js text/javascript
${getWasmWorkerJs.toString()}
${getServerTimeFromM3u8.toString()}
${replaceServerTimeInM3u8.toString()}
${tryFixPlayerBuffering.toString()}
var workerString = getWasmWorkerJs('${twitchBlobUrl.replaceAll("'", "%27")}');
const workerString = getWasmWorkerJs('${twitchBlobUrl.replaceAll("'", "%27")}');
declareOptions(self);
GQLDeviceID = ${GQLDeviceID ? "'" + GQLDeviceID + "'" : null};
AuthorizationHeader = ${AuthorizationHeader ? "'" + AuthorizationHeader + "'" : undefined};
@@ -161,20 +169,14 @@ twitch-videoad.js text/javascript
resolve(response);
}
}
} else if (e.data.key == 'TriggeredPlayerReload') {
HasTriggeredPlayerReload = true;
} else if (e.data.key == 'SimulateAds') {
SimulatedAdsDepth = e.data.value;
console.log('SimulatedAdsDepth:' + SimulatedAdsDepth);
}
if (e.data.funcName) {
if (e.data.funcName == 'onClientSinkBuffering') {
IsPlayerBuffering = true;
} else if (e.data.funcName == 'onClientSinkPlaying') {
IsPlayerBuffering = false;
LastPausePlay = Date.now();
} else if (e.data.funcName == 'playIntent' || e.data.funcName == 'play') {
LastPausePlay = Date.now();
}
tryFixPlayerBuffering();
console.log('SimulatedAdsDepth: ' + SimulatedAdsDepth);
} else if (e.data.key == 'AllSegmentsAreAdSegments') {
AllSegmentsAreAdSegments = !AllSegmentsAreAdSegments;
console.log('AllSegmentsAreAdSegments: ' + AllSegmentsAreAdSegments);
}
});
hookWorkerFetch();
@@ -183,25 +185,21 @@ twitch-videoad.js text/javascript
super(URL.createObjectURL(new Blob([newBlobStr])), options);
twitchWorkers.push(this);
this.addEventListener('message', (e) => {
if (e.data.key == 'ShowAdBlockBanner') {
if (e.data.key == 'UpdateAdBlockBanner') {
if (adBlockDiv == null) {
adBlockDiv = getAdBlockDiv();
}
if (adBlockDiv != null) {
adBlockDiv.P.textContent = 'Blocking' + (e.data.isMidroll ? ' midroll' : '') + ' ads';
adBlockDiv.style.display = 'block';
}
} else if (e.data.key == 'HideAdBlockBanner') {
if (adBlockDiv == null) {
adBlockDiv = getAdBlockDiv();
}
if (adBlockDiv != null) {
adBlockDiv.style.display = 'none';
isActivelyStrippingAds = e.data.isStrippingAdSegments;
adBlockDiv.P.textContent = 'Blocking' + (e.data.isMidroll ? ' midroll' : '') + ' ads' + (e.data.isStrippingAdSegments ? ' (stripping)' : '');
adBlockDiv.style.display = e.data.hasAds ? 'block' : 'none';
}
} else if (e.data.key == 'PauseResumePlayer') {
doTwitchPlayerTask(true, false);
doTwitchPlayerTask(true, false, false);
} else if (e.data.key == 'ReloadPlayer') {
doTwitchPlayerTask(false, true);
doTwitchPlayerTask(false, true, false);
} else if (e.data.key == 'MonitorPlayerForBuffering') {
doTwitchPlayerTask(false, false, true);
}
});
this.addEventListener('message', async event => {
@@ -216,8 +214,8 @@ twitch-videoad.js text/javascript
});
function getAdBlockDiv() {
//To display a notification to the user, that an ad is being blocked.
var playerRootDiv = document.querySelector('.video-player');
var adBlockDiv = null;
const playerRootDiv = document.querySelector('.video-player');
let adBlockDiv = null;
if (playerRootDiv != null) {
adBlockDiv = playerRootDiv.querySelector('.adblock-overlay');
if (adBlockDiv == null) {
@@ -233,7 +231,7 @@ twitch-videoad.js text/javascript
}
}
};
var workerInstance = reinsertWorkers(newWorker, reinsert);
let workerInstance = reinsertWorkers(newWorker, reinsert);
Object.defineProperty(window, 'Worker', {
get: function() {
return workerInstance;
@@ -248,7 +246,7 @@ twitch-videoad.js text/javascript
});
}
function getWasmWorkerJs(twitchBlobUrl) {
var req = new XMLHttpRequest();
const req = new XMLHttpRequest();
req.open('GET', twitchBlobUrl, false);
req.overrideMimeType("text/javascript");
req.send();
@@ -256,20 +254,32 @@ twitch-videoad.js text/javascript
}
function hookWorkerFetch() {
console.log('hookWorkerFetch (vaft)');
var realFetch = fetch;
const realFetch = fetch;
fetch = async function(url, options) {
if (typeof url === 'string') {
if (AdSegmentCache.has(url)) {
return new Promise(function(resolve, reject) {
const send = function() {
return realFetch('data:video/mp4;base64,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', options).then(function(response) {
resolve(response);
})['catch'](function(err) {
reject(err);
});
};
send();
});
}
url = url.trimEnd();
if (url.endsWith('m3u8')) {
return new Promise(function(resolve, reject) {
var processAfter = async function(response) {
const processAfter = async function(response) {
if (response.status === 200) {
resolve(new Response(await processM3U8(url, await response.text(), realFetch)));
} else {
resolve(response);
}
};
var send = function() {
const send = function() {
return realFetch(url, options).then(function(response) {
processAfter(response);
})['catch'](function(err) {
@@ -280,28 +290,30 @@ twitch-videoad.js text/javascript
});
} else if (url.includes('/channel/hls/') && !url.includes('picture-by-picture')) {
V2API = url.includes('/api/v2/');
var channelName = (new URL(url)).pathname.match(/([^\/]+)(?=\.\w+$)/)[0];
const channelName = (new URL(url)).pathname.match(/([^\/]+)(?=\.\w+$)/)[0];
if (ForceAccessTokenPlayerType) {
// parent_domains is used to determine if the player is embeded and stripping it gets rid of fake ads
var tempUrl = new URL(url);
const tempUrl = new URL(url);
tempUrl.searchParams.delete('parent_domains');
url = tempUrl.toString();
}
return new Promise(function(resolve, reject) {
var processAfter = async function(response) {
const processAfter = async function(response) {
if (response.status == 200) {
var encodingsM3u8 = await response.text();
var serverTime = getServerTimeFromM3u8(encodingsM3u8);
var streamInfo = StreamInfos[channelName];
const encodingsM3u8 = await response.text();
const serverTime = getServerTimeFromM3u8(encodingsM3u8);
let streamInfo = StreamInfos[channelName];
let isNewStream = false;
if (streamInfo != null && streamInfo.EncodingsM3U8 != null && (await realFetch(streamInfo.EncodingsM3U8.match(/^https:.*\.m3u8$/m)[0])).status !== 200) {
// The cached encodings are dead (the stream probably restarted)
streamInfo = null;
}
if (streamInfo == null || streamInfo.EncodingsM3U8 == null) {
isNewStream = true;
StreamInfos[channelName] = streamInfo = {
ChannelName: channelName,
IsShowingAd: false,
AdStartTime: 0,
LastPlayerReload: 0,
EncodingsM3U8: encodingsM3u8,
ModifiedM3U8: null,
IsUsingModifiedM3U8: false,
@@ -311,15 +323,16 @@ twitch-videoad.js text/javascript
ResolutionList: [],
BackupEncodingsM3U8Cache: [],
ActiveBackupPlayerType: null,
IsMidroll: false
IsMidroll: false,
IsStrippingAdSegments: false
};
var lines = encodingsM3u8.replace('\r', '').split('\n');
for (var i = 0; i < lines.length - 1; i++) {
const lines = encodingsM3u8.replaceAll('\r', '').split('\n');
for (let i = 0; i < lines.length - 1; i++) {
if (lines[i].startsWith('#EXT-X-STREAM-INF') && lines[i + 1].includes('.m3u8')) {
var attributes = parseAttributes(lines[i]);
var resolution = attributes['RESOLUTION'];
const attributes = parseAttributes(lines[i]);
const resolution = attributes['RESOLUTION'];
if (resolution) {
var resolutionInfo = {
const resolutionInfo = {
Resolution: resolution,
FrameRate: attributes['FRAME-RATE'],
Codecs: attributes['CODECS'],
@@ -331,17 +344,17 @@ twitch-videoad.js text/javascript
StreamInfosByUrl[lines[i + 1]] = streamInfo;
}
}
var nonHevcResolutionList = streamInfo.ResolutionList.filter((element) => element.Codecs.startsWith('avc') || element.Codecs.startsWith('av0'));
const nonHevcResolutionList = streamInfo.ResolutionList.filter((element) => element.Codecs.startsWith('avc') || element.Codecs.startsWith('av0'));
if (AlwaysReloadPlayerOnAd || (nonHevcResolutionList.length > 0 && streamInfo.ResolutionList.some((element) => element.Codecs.startsWith('hev') || element.Codecs.startsWith('hvc')) && !SkipPlayerReloadOnHevc)) {
if (nonHevcResolutionList.length > 0) {
for (var i = 0; i < lines.length - 1; i++) {
for (let i = 0; i < lines.length - 1; i++) {
if (lines[i].startsWith('#EXT-X-STREAM-INF')) {
var resSettings = parseAttributes(lines[i].substring(lines[i].indexOf(':') + 1));
const resSettings = parseAttributes(lines[i].substring(lines[i].indexOf(':') + 1));
const codecsKey = 'CODECS';
if (resSettings[codecsKey].startsWith('hev') || resSettings[codecsKey].startsWith('hvc')) {
var oldResolution = resSettings['RESOLUTION'];
const oldResolution = resSettings['RESOLUTION'];
const [targetWidth, targetHeight] = oldResolution.split('x').map(Number);
var newResolutionInfo = nonHevcResolutionList.sort((a, b) => {
const newResolutionInfo = nonHevcResolutionList.sort((a, b) => {
// TODO: Take into account 'Frame-Rate' when sorting (i.e. 1080p60 vs 1080p30)
const [streamWidthA, streamHeightA] = a.Resolution.split('x').map(Number);
const [streamWidthB, streamHeightB] = b.Resolution.split('x').map(Number);
@@ -356,25 +369,21 @@ twitch-videoad.js text/javascript
}
if (nonHevcResolutionList.length > 0 || AlwaysReloadPlayerOnAd) {
streamInfo.ModifiedM3U8 = lines.join('\n');
var streamM3u8Url = streamInfo.EncodingsM3U8.match(/^https:.*\.m3u8$/m)[0];
var streamM3u8Response = await realFetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
var streamM3u8 = await streamM3u8Response.text();
if (streamM3u8.includes(AdSignifier) || SimulatedAdsDepth > 0) {
streamInfo.IsUsingModifiedM3U8 = true;
}
}
}
}
} else {
streamInfo.IsUsingModifiedM3U8 = streamInfo.IsShowingAd && streamInfo.ModifiedM3U8;
}
postMessage({
key: 'MonitorPlayerForBuffering'
});
if (streamInfo.IsUsingModifiedM3U8 || isNewStream) {
streamInfo.LastPlayerReload = Date.now();
}
resolve(new Response(replaceServerTimeInM3u8(streamInfo.IsUsingModifiedM3U8 ? streamInfo.ModifiedM3U8 : streamInfo.EncodingsM3U8, serverTime)));
} else {
resolve(response);
}
};
var send = function() {
const send = function() {
return realFetch(url, options).then(function(response) {
processAfter(response);
})['catch'](function(err) {
@@ -390,10 +399,10 @@ twitch-videoad.js text/javascript
}
function getServerTimeFromM3u8(encodingsM3u8) {
if (V2API) {
var matches = encodingsM3u8.match(/#EXT-X-SESSION-DATA:DATA-ID="SERVER-TIME",VALUE="([^"]+)"/);
const matches = encodingsM3u8.match(/#EXT-X-SESSION-DATA:DATA-ID="SERVER-TIME",VALUE="([^"]+)"/);
return matches.length > 1 ? matches[1] : null;
}
var matches = encodingsM3u8.match('SERVER-TIME="([0-9.]+)"');
const matches = encodingsM3u8.match('SERVER-TIME="([0-9.]+)"');
return matches.length > 1 ? matches[1] : null;
}
function replaceServerTimeInM3u8(encodingsM3u8, newServerTime) {
@@ -402,18 +411,53 @@ twitch-videoad.js text/javascript
}
return newServerTime ? encodingsM3u8.replace(new RegExp('(SERVER-TIME=")[0-9.]+"'), `SERVER-TIME="${newServerTime}"`) : encodingsM3u8;
}
function stripAdSegments(textStr, stripAllSegments, streamInfo) {
let hasStrippedAdSegments = false;
const lines = textStr.replaceAll('\r', '').split('\n');
const newAdUrl = 'https://twitch.tv';
for (let i = 0; i < lines.length; i++) {
let line = lines[i];
// Remove tracking urls which appear in the overlay UI
line = line
.replaceAll(/(X-TV-TWITCH-AD-URL=")(?:[^"]*)(")/g, `$1${newAdUrl}$2`)
.replaceAll(/(X-TV-TWITCH-AD-CLICK-TRACKING-URL=")(?:[^"]*)(")/g, `$1${newAdUrl}$2`);
if (i < lines.length - 1 && line.startsWith('#EXTINF') && (!line.includes(',live') || stripAllSegments || AllSegmentsAreAdSegments)) {
const segmentUrl = lines[i + 1];
AdSegmentCache.set(segmentUrl, Date.now());
hasStrippedAdSegments = true;
}
if (line.includes(AdSignifier)) {
hasStrippedAdSegments = true;
}
}
if (hasStrippedAdSegments) {
for (let i = 0; i < lines.length; i++) {
// No low latency during ads (otherwise it's possible for the player to prefetch and display ad segments)
if (lines[i].startsWith('#EXT-X-TWITCH-PREFETCH:')) {
lines[i] = '';
}
}
}
streamInfo.IsStrippingAdSegments = hasStrippedAdSegments;
AdSegmentCache.forEach((key, value, map) => {
if (value < Date.now() - 120000) {
map.delete(key);
}
});
return lines.join('\n');
}
function getStreamUrlForResolution(encodingsM3u8, resolutionInfo) {
var encodingsLines = encodingsM3u8.replace('\r', '').split('\n');
const encodingsLines = encodingsM3u8.replaceAll('\r', '').split('\n');
const [targetWidth, targetHeight] = resolutionInfo.Resolution.split('x').map(Number);
var matchedResolutionUrl = null;
var matchedFrameRate = false;
var closestResolutionUrl = null;
var closestResolutionDifference = Infinity;
for (var i = 0; i < encodingsLines.length - 1; i++) {
let matchedResolutionUrl = null;
let matchedFrameRate = false;
let closestResolutionUrl = null;
let closestResolutionDifference = Infinity;
for (let i = 0; i < encodingsLines.length - 1; i++) {
if (encodingsLines[i].startsWith('#EXT-X-STREAM-INF') && encodingsLines[i + 1].includes('.m3u8')) {
var attributes = parseAttributes(encodingsLines[i]);
var resolution = attributes['RESOLUTION'];
var frameRate = attributes['FRAME-RATE'];
const attributes = parseAttributes(encodingsLines[i]);
const resolution = attributes['RESOLUTION'];
const frameRate = attributes['FRAME-RATE'];
if (resolution) {
if (resolution == resolutionInfo.Resolution && (!matchedResolutionUrl || (!matchedFrameRate && frameRate == resolutionInfo.FrameRate))) {
matchedResolutionUrl = encodingsLines[i + 1];
@@ -423,7 +467,7 @@ twitch-videoad.js text/javascript
}
}
const [width, height] = resolution.split('x').map(Number);
var difference = Math.abs((width * height) - (targetWidth * targetHeight));
const difference = Math.abs((width * height) - (targetWidth * targetHeight));
if (difference < closestResolutionDifference) {
closestResolutionUrl = encodingsLines[i + 1];
closestResolutionDifference = difference;
@@ -433,31 +477,22 @@ twitch-videoad.js text/javascript
}
return closestResolutionUrl;
}
function tryFixPlayerBuffering() {
// NOTE: This "ActiveStreamInfo" variable isn't ideal but now that squad streams are removed it should be correct
if (IsPlayerBuffering && LastPausePlay < Date.now() - DelayBetweenEachPlayerFixBufferAttempt && ActiveStreamInfo &&
((ActiveStreamInfo.IsShowingAd && FixPlayerBufferingInsideAds) || (!ActiveStreamInfo.IsShowingAd && FixPlayerBufferingOutsideAds))
) {
console.log("Attempting to fix player buffering by doing pause/play");
LastPausePlay = Date.now();
postMessage({
key: 'PauseResumePlayer'
});
}
}
async function processM3U8(url, textStr, realFetch) {
var streamInfo = StreamInfosByUrl[url];
const streamInfo = StreamInfosByUrl[url];
if (!streamInfo) {
return textStr;
}
ActiveStreamInfo = streamInfo;
var haveAdTags = textStr.includes(AdSignifier) || SimulatedAdsDepth > 0;
if (HasTriggeredPlayerReload) {
HasTriggeredPlayerReload = false;
streamInfo.LastPlayerReload = Date.now();
}
const haveAdTags = textStr.includes(AdSignifier) || SimulatedAdsDepth > 0;
if (haveAdTags) {
streamInfo.IsMidroll = textStr.includes('"MIDROLL"') || textStr.includes('"midroll"');
if (!streamInfo.IsMidroll) {
var lines = textStr.replace('\r', '').split('\n');
for (var i = 0; i < lines.length; i++) {
var line = lines[i];
const lines = textStr.replaceAll('\r', '').split('\n');
for (let i = 0; i < lines.length; i++) {
const line = lines[i];
if (line.startsWith('#EXTINF') && lines.length > i + 1) {
if (!line.includes(',live') && !streamInfo.RequestedAds.has(lines[i + 1])) {
// Only request one .ts file per .m3u8 request to avoid making too many requests
@@ -469,54 +504,50 @@ twitch-videoad.js text/javascript
}
}
}
streamInfo.Resolution
var currentResolution = streamInfo.Urls[url];
const currentResolution = streamInfo.Urls[url];
if (!currentResolution) {
console.log('Ads will leak due to missing resolution info for ' + url);
return textStr;
}
if (streamInfo.ModifiedM3U8 && !streamInfo.IsUsingModifiedM3U8) {
streamInfo.AdStartTime = Date.now();
}
if (!streamInfo.IsShowingAd) {
streamInfo.AdStartTime = Date.now();
streamInfo.IsShowingAd = true;
if (streamInfo.ModifiedM3U8 && !streamInfo.IsUsingModifiedM3U8) {
postMessage({
key: 'ReloadPlayer'
});
}
}
const isHevc = currentResolution.Codecs.startsWith('hev') || currentResolution.Codecs.startsWith('hvc');
if (((isHevc && !SkipPlayerReloadOnHevc) || AlwaysReloadPlayerOnAd) && streamInfo.ModifiedM3U8 && !streamInfo.IsUsingModifiedM3U8) {
streamInfo.IsUsingModifiedM3U8 = true;
streamInfo.LastPlayerReload = Date.now();
postMessage({
key: 'ShowAdBlockBanner',
isMidroll: streamInfo.IsMidroll
key: 'ReloadPlayer'
});
}
var backupPlayerType = null;
var backupM3u8 = null;
var fallbackM3u8 = null;
var startIndex = 0;
if ((streamInfo.ModifiedM3U8 && !streamInfo.IsUsingModifiedM3U8) ||
(streamInfo.ModifiedM3U8 && streamInfo.AdStartTime > Date.now() - PlayerReloadLowResTime)
) {
// When doing player reload there are a lot of requests which causes the backup stream to load in slow. Briefly prefer using the low res version to prevent long delays
startIndex = BackupPlayerTypes.length - 1;
let backupPlayerType = null;
let backupM3u8 = null;
let fallbackM3u8 = null;
let startIndex = 0;
let isDoingMinimalRequests = false;
if (streamInfo.LastPlayerReload > Date.now() - PlayerReloadMinimalRequestsTime) {
// When doing player reload there are a lot of requests which causes the backup stream to load in slow. Briefly prefer using a single version to prevent long delays
startIndex = PlayerReloadMinimalRequestsPlayerIndex;
isDoingMinimalRequests = true;
}
for (var playerTypeIndex = startIndex; !backupM3u8 && playerTypeIndex < BackupPlayerTypes.length; playerTypeIndex++) {
var playerType = BackupPlayerTypes[playerTypeIndex];
for (var i = 0; i < 2; i++) {
for (let playerTypeIndex = startIndex; !backupM3u8 && playerTypeIndex < BackupPlayerTypes.length; playerTypeIndex++) {
const playerType = BackupPlayerTypes[playerTypeIndex];
const realPlayerType = playerType.replace('-CACHED', '');
const isFullyCachedPlayerType = playerType != realPlayerType;
for (let i = 0; i < 2; i++) {
// This caches the m3u8 if it doesn't have ads. If the already existing cache has ads it fetches a new version (second loop)
var isFreshM3u8 = false;
var encodingsM3u8 = streamInfo.BackupEncodingsM3U8Cache[playerType];
let isFreshM3u8 = false;
let encodingsM3u8 = streamInfo.BackupEncodingsM3U8Cache[playerType];
if (!encodingsM3u8) {
isFreshM3u8 = true;
try {
var accessTokenResponse = await getAccessToken(streamInfo.ChannelName, playerType);
const accessTokenResponse = await getAccessToken(streamInfo.ChannelName, realPlayerType);
if (accessTokenResponse.status === 200) {
var accessToken = await accessTokenResponse.json();
var urlInfo = new URL('https://usher.ttvnw.net/api/' + (V2API ? 'v2/' : '') + 'channel/hls/' + streamInfo.ChannelName + '.m3u8' + streamInfo.UsherParams);
const accessToken = await accessTokenResponse.json();
const urlInfo = new URL('https://usher.ttvnw.net/api/' + (V2API ? 'v2/' : '') + 'channel/hls/' + streamInfo.ChannelName + '.m3u8' + streamInfo.UsherParams);
urlInfo.searchParams.set('sig', accessToken.data.streamPlaybackAccessToken.signature);
urlInfo.searchParams.set('token', accessToken.data.streamPlaybackAccessToken.value);
var encodingsM3u8Response = await realFetch(urlInfo.href);
const encodingsM3u8Response = await realFetch(urlInfo.href);
if (encodingsM3u8Response.status === 200) {
encodingsM3u8 = streamInfo.BackupEncodingsM3U8Cache[playerType] = await encodingsM3u8Response.text();
}
@@ -525,10 +556,10 @@ twitch-videoad.js text/javascript
}
if (encodingsM3u8) {
try {
var streamM3u8Url = getStreamUrlForResolution(encodingsM3u8, currentResolution);
var streamM3u8Response = await realFetch(streamM3u8Url);
const streamM3u8Url = getStreamUrlForResolution(encodingsM3u8, currentResolution);
const streamM3u8Response = await realFetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
var m3u8Text = await streamM3u8Response.text();
const m3u8Text = await streamM3u8Response.text();
if (m3u8Text) {
if (playerType == FallbackPlayerType) {
fallbackM3u8 = m3u8Text;
@@ -538,13 +569,13 @@ twitch-videoad.js text/javascript
backupM3u8 = m3u8Text;
break;
}
if (isDoingMinimalRequests || isFullyCachedPlayerType) {
break;
}
}
}
} catch (err) {}
}
if (startIndex != 0) {
break;
}
streamInfo.BackupEncodingsM3U8Cache[playerType] = null;
if (isFreshM3u8) {
break;
@@ -562,18 +593,34 @@ twitch-videoad.js text/javascript
console.log(`Blocking${(streamInfo.IsMidroll ? ' midroll ' : ' ')}ads (${backupPlayerType})`);
}
}
// TODO: Improve hevc stripping. It should always strip when there is a codec mismatch (both ways)
const stripHevc = isHevc && streamInfo.ModifiedM3U8;
if (IsAdStrippingEnabled || stripHevc) {
textStr = stripAdSegments(textStr, stripHevc, streamInfo);
}
} else if (streamInfo.IsShowingAd) {
console.log('Finished blocking ads');
streamInfo.IsShowingAd = false;
streamInfo.IsStrippingAdSegments = false;
streamInfo.ActiveBackupPlayerType = null;
postMessage({
key: streamInfo.IsUsingModifiedM3U8 ? 'ReloadPlayer' : 'PauseResumePlayer'
});
postMessage({
key: 'HideAdBlockBanner'
});
if (streamInfo.IsUsingModifiedM3U8 || ReloadPlayerAfterAd) {
streamInfo.IsUsingModifiedM3U8 = false;
streamInfo.LastPlayerReload = Date.now();
postMessage({
key: 'ReloadPlayer'
});
} else {
postMessage({
key: 'PauseResumePlayer'
});
}
}
tryFixPlayerBuffering();
postMessage({
key: 'UpdateAdBlockBanner',
isMidroll: streamInfo.IsMidroll,
hasAds: streamInfo.IsShowingAd,
isStrippingAdSegments: streamInfo.IsStrippingAdSegments
});
return textStr;
}
function parseAttributes(str) {
@@ -589,44 +636,41 @@ twitch-videoad.js text/javascript
}));
}
function getAccessToken(channelName, playerType) {
var body = null;
var templateQuery = 'query PlaybackAccessToken_Template($login: String!, $isLive: Boolean!, $vodID: ID!, $isVod: Boolean!, $playerType: String!) { streamPlaybackAccessToken(channelName: $login, params: {platform: "android", playerBackend: "mediaplayer", playerType: $playerType}) @include(if: $isLive) { value signature __typename } videoPlaybackAccessToken(id: $vodID, params: {platform: "android", playerBackend: "mediaplayer", playerType: $playerType}) @include(if: $isVod) { value signature __typename }}';
body = {
operationName: 'PlaybackAccessToken_Template',
query: templateQuery,
const body = {
operationName: 'PlaybackAccessToken',
variables: {
'isLive': true,
'login': channelName,
'isVod': false,
'vodID': '',
'playerType': playerType
isLive: true,
login: channelName,
isVod: false,
vodID: "",
playerType: playerType,
platform: playerType == 'autoplay' ? 'android' : 'web'
},
extensions: {
persistedQuery: {
version:1,
sha256Hash:"ed230aa1e33e07eebb8928504583da78a5173989fadfb1ac94be06a04f3cdbe9"
}
}
};
return gqlRequest(body, playerType);
}
function gqlRequest(body, playerType) {
if (!GQLDeviceID) {
var dcharacters = 'abcdefghijklmnopqrstuvwxyz0123456789';
var dcharactersLength = dcharacters.length;
for (var i = 0; i < 32; i++) {
const dcharacters = 'abcdefghijklmnopqrstuvwxyz0123456789';
const dcharactersLength = dcharacters.length;
for (let i = 0; i < 32; i++) {
GQLDeviceID += dcharacters.charAt(Math.floor(Math.random() * dcharactersLength));
}
}
var headers = {
let headers = {
'Client-ID': ClientID,
'Device-ID': GQLDeviceID,
'X-Device-Id': GQLDeviceID,
'Authorization': AuthorizationHeader,
...(ClientIntegrityHeader && {'Client-Integrity': ClientIntegrityHeader}),
...(ClientVersion && {'Client-Version': ClientVersion}),
...(ClientSession && {'Client-Session-Id': ClientSession})
};
if (playerType != 'site') {
headers = {
'Client-Id': ClientID,
'X-Device-Id': GQLDeviceID
};
}
return new Promise((resolve, reject) => {
const requestId = Math.random().toString(36).substring(2, 15);
const fetchRequest = {
@@ -648,7 +692,50 @@ twitch-videoad.js text/javascript
});
});
}
function doTwitchPlayerTask(isPausePlay, isReload) {
let playerForMonitoringBuffering = null;
const playerBufferState = {
position: 0,
bufferedPosition: 0,
bufferDuration: 0,
numSame: 0,
lastFixTime: 0
};
function monitorPlayerBuffering() {
if (playerForMonitoringBuffering) {
try {
const player = playerForMonitoringBuffering;
if (!player.isPaused() && !player.getHTMLVideoElement()?.ended && playerBufferState.lastFixTime <= Date.now() - PlayerBufferingMinRepeatDelay && !isActivelyStrippingAds) {
const position = player.core?.state?.position;
const bufferedPosition = player.core?.state?.bufferedPosition;
const bufferDuration = player.getBufferDuration();
//console.log('position:' + position + ' bufferDuration:' + bufferDuration + ' bufferPosition:' + bufferedPosition);
// NOTE: This could be improved. It currently lets the player fully eat the full buffer before it triggers pause/play
if ((playerBufferState.position == position || bufferDuration < PlayerBufferingDangerZone) &&
playerBufferState.bufferedPosition == bufferedPosition &&
playerBufferState.bufferDuration >= bufferDuration &&
(position != 0 || bufferedPosition != 0 || bufferDuration != 0)
) {
playerBufferState.numSame++;
if (playerBufferState.numSame == PlayerBufferingSameStateCount) {
console.log('Attempt to fix buffering position:' + playerBufferState.position + ' bufferedPosition:' + playerBufferState.bufferedPosition + ' bufferDuration:' + playerBufferState.bufferDuration);
doTwitchPlayerTask(!PlayerBufferingDoPlayerReload, PlayerBufferingDoPlayerReload, false);
playerBufferState.lastFixTime = Date.now();
}
} else {
playerBufferState.numSame = 0;
}
playerBufferState.position = position;
playerBufferState.bufferedPosition = bufferedPosition;
playerBufferState.bufferDuration = bufferDuration;
}
} catch (err) {
console.error('error when monitoring player for buffering: ' + err);
playerForMonitoringBuffering = null;
}
}
setTimeout(monitorPlayerBuffering, PlayerBufferingDelay);
}
function doTwitchPlayerTask(isPausePlay, isReload, monitorPlayerForBuffering) {
function findReactNode(root, constraint) {
if (root.stateNode && constraint(root.stateNode)) {
return root.stateNode;
@@ -664,27 +751,27 @@ twitch-videoad.js text/javascript
return null;
}
function findReactRootNode() {
var reactRootNode = null;
var rootNode = document.querySelector('#root');
let reactRootNode = null;
const rootNode = document.querySelector('#root');
if (rootNode && rootNode._reactRootContainer && rootNode._reactRootContainer._internalRoot && rootNode._reactRootContainer._internalRoot.current) {
reactRootNode = rootNode._reactRootContainer._internalRoot.current;
}
if (reactRootNode == null) {
var containerName = Object.keys(rootNode).find(x => x.startsWith('__reactContainer'));
const containerName = Object.keys(rootNode).find(x => x.startsWith('__reactContainer'));
if (containerName != null) {
reactRootNode = rootNode[containerName];
}
}
return reactRootNode;
}
var reactRootNode = findReactRootNode();
const reactRootNode = findReactRootNode();
if (!reactRootNode) {
console.log('Could not find react root');
return;
}
var player = findReactNode(reactRootNode, node => node.setPlayerActive && node.props && node.props.mediaPlayerInstance);
let player = findReactNode(reactRootNode, node => node.setPlayerActive && node.props && node.props.mediaPlayerInstance);
player = player && player.props && player.props.mediaPlayerInstance ? player.props.mediaPlayerInstance : null;
var playerState = findReactNode(reactRootNode, node => node.setSrc && node.setInitialPlaybackSettings);
const playerState = findReactNode(reactRootNode, node => node.setSrc && node.setInitialPlaybackSettings);
if (!player) {
console.log('Could not find player');
return;
@@ -693,7 +780,14 @@ twitch-videoad.js text/javascript
console.log('Could not find player state');
return;
}
if (player.paused || player.core?.paused) {
if (!playerForMonitoringBuffering) {
playerForMonitoringBuffering = player;
}
if (player.isPaused() || player.core?.paused) {
return;
}
if (monitorPlayerForBuffering) {
playerBufferState.lastFixTime = 0;
return;
}
if (isPausePlay) {
@@ -705,9 +799,9 @@ twitch-videoad.js text/javascript
const lsKeyQuality = 'video-quality';
const lsKeyMuted = 'video-muted';
const lsKeyVolume = 'volume';
var currentQualityLS = null;
var currentMutedLS = null;
var currentVolumeLS = null;
let currentQualityLS = null;
let currentMutedLS = null;
let currentVolumeLS = null;
try {
currentQualityLS = localStorage.getItem(lsKeyQuality);
currentMutedLS = localStorage.getItem(lsKeyMuted);
@@ -720,7 +814,9 @@ twitch-videoad.js text/javascript
localStorage.setItem(lsKeyQuality, JSON.stringify({default:player.core.state.quality.group}));
}
} catch {}
console.log('Reloading Twitch player');
playerState.setSrc({ isNewMediaPlayerInstance: true, refreshAccessToken: true });
postTwitchWorkerMessage('TriggeredPlayerReload');
player.play();
if (localStorageHookFailed && (currentQualityLS || currentMutedLS || currentVolumeLS)) {
setTimeout(() => {
@@ -740,7 +836,9 @@ twitch-videoad.js text/javascript
return;
}
}
window.reloadTwitchPlayer = doTwitchPlayerTask;
window.reloadTwitchPlayer = () => {
doTwitchPlayerTask(false, true);
};
function postTwitchWorkerMessage(key, value) {
twitchWorkers.forEach((worker) => {
worker.postMessage({key: key, value: value});
@@ -766,13 +864,12 @@ twitch-videoad.js text/javascript
}
}
function hookFetch() {
var realFetch = window.fetch;
const realFetch = window.fetch;
window.realFetch = realFetch;
window.fetch = function(url, init, ...args) {
if (typeof url === 'string') {
if (url.includes('gql')) {
//Device ID is used when notifying Twitch of ads.
var deviceId = init.headers['X-Device-Id'];
let deviceId = init.headers['X-Device-Id'];
if (typeof deviceId !== 'string') {
deviceId = init.headers['Device-ID'];
}
@@ -816,7 +913,7 @@ twitch-videoad.js text/javascript
if (DisableMatureConentPopup) {
const newBody2 = JSON.parse(init.body);
if (Array.isArray(newBody2)) {
var hasRemovedClassification = false;
let hasRemovedClassification = false;
for (let i = 0; i < newBody2.length; i++) {
if (newBody2[i]?.operationName == 'ContentClassificationContext') {
hasRemovedClassification = true;
@@ -853,13 +950,13 @@ twitch-videoad.js text/javascript
}
});
}catch{}
var block = e => {
const block = e => {
e.preventDefault();
e.stopPropagation();
e.stopImmediatePropagation();
};
let wasVideoPlaying = true;
var visibilityChange = e => {
const visibilityChange = e => {
if (typeof chrome !== 'undefined') {
const videos = document.getElementsByTagName('video');
if (videos.length > 0) {
@@ -893,25 +990,25 @@ twitch-videoad.js text/javascript
}catch{}
// Hooks for preserving volume / resolution
try {
var keysToCache = [
const keysToCache = [
'video-quality',
'video-muted',
'volume',
'lowLatencyModeEnabled',// Low Latency
'persistenceEnabled',// Mini Player
];
var cachedValues = new Map();
for (var i = 0; i < keysToCache.length; i++) {
const cachedValues = new Map();
for (let i = 0; i < keysToCache.length; i++) {
cachedValues.set(keysToCache[i], localStorage.getItem(keysToCache[i]));
}
var realSetItem = localStorage.setItem;
const realSetItem = localStorage.setItem;
localStorage.setItem = function(key, value) {
if (cachedValues.has(key)) {
cachedValues.set(key, value);
}
realSetItem.apply(this, arguments);
};
var realGetItem = localStorage.getItem;
const realGetItem = localStorage.getItem;
localStorage.getItem = function(key) {
if (cachedValues.has(key)) {
return cachedValues.get(key);
@@ -931,6 +1028,9 @@ twitch-videoad.js text/javascript
declareOptions(window);
hookWindowWorker();
hookFetch();
if (PlayerBufferingFix) {
monitorPlayerBuffering();
}
if (document.readyState === "complete" || document.readyState === "loaded" || document.readyState === "interactive") {
onContentLoaded();
} else {
@@ -945,4 +1045,7 @@ twitch-videoad.js text/javascript
}
postTwitchWorkerMessage('SimulateAds', depth);
};
window.allSegmentsAreAdSegments = () => {
postTwitchWorkerMessage('AllSegmentsAreAdSegments');
};
})();