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Greatly reduce ad frames on mute-black / dyn-video-swap

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pixeltris 2020-12-22 21:48:00 +00:00
parent aa08067a4b
commit 3d7a8514e1
3 changed files with 155 additions and 6 deletions
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5
README.md
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@ -6,10 +6,11 @@ This repo aims to provide multiple solutions for blocking Twitch ads.
- dyn
- Ad segments are replaced by a low resolution stream segments (on a m3u8 level).
- Stuttering and looping of segments may occur.
- Skips 2-3 seconds when switching to the live stream.
- Stuttering and looping of segments often occur (during the ad segments).
- dyn-video-swap
- Ads are replaced by a low resolution stream for the duration of the ad.
- Similar to `dyn`, but may have a larger jump in time.
- Similar to `dyn`, but skips closer to 20 seconds when switching to the live stream.
- You might see tiny bits of the ad.
- Audio controls wont work whilst the ad is playing.
- low-res

81
dyn-video-swap/dyn-video-swap-ublock-origin.js
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@ -2,17 +2,86 @@
twitch-videoad.js application/javascript
(function() {
if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
////////////////////////////
// BEGIN WORKER
////////////////////////////
const oldWorker = window.Worker;
window.Worker = class Worker extends oldWorker {
constructor(twitchBlobUrl) {
var jsURL = getWasmWorkerUrl(twitchBlobUrl);
var version = jsURL.match(/wasmworker\.min\-(.*)\.js/)[1];
var newBlobStr = `
var Module = {
WASM_BINARY_URL: '${jsURL.replace('.js', '.wasm')}',
WASM_CACHE_MODE: true
}
${detectAds.toString()}
${hookWorkerFetch.toString()}
hookWorkerFetch();
importScripts('${jsURL}');
`
super(URL.createObjectURL(new Blob([newBlobStr])));
this.onmessage = function(e) {
if (e.data.key == 'HideAd') {
onFoundAd();
}
}
}
}
function getWasmWorkerUrl(twitchBlobUrl) {
var req = new XMLHttpRequest();
req.open('GET', twitchBlobUrl, false);
req.send();
return req.responseText.split("'")[1];
}
async function detectAds(url, textStr) {
if (!textStr.includes(',live') && textStr.includes('stitched-ad')) {
postMessage({key:'HideAd'});
}
return textStr;
}
function hookWorkerFetch() {
var realFetch = fetch;
fetch = async function(url, options) {
if (typeof url === 'string') {
if (url.endsWith('m3u8')) {
// Based on https://github.com/jpillora/xhook
return new Promise(function(resolve, reject) {
var processAfter = async function(response) {
var str = await detectAds(url, await response.text());
resolve(new Response(str));
};
var send = function() {
return realFetch(url, options).then(function(response) {
processAfter(response);
})['catch'](function(err) {
console.log('fetch hook err ' + err);
reject(err);
});
};
send();
});
}
}
return realFetch.apply(this, arguments);
}
}
////////////////////////////
// END WORKER
////////////////////////////
var tempVideo = null;
var disabledVideo = null;
var foundAdContainer = false;
var foundBannerPrev = false;
var originalVolume = 0;
/*//Maybe a bit heavy handed...
var originalAppendChild = Element.prototype.appendChild;
Element.prototype.appendChild = function() {
originalAppendChild.apply(this, arguments);
if (arguments[0] && arguments[0].innerHTML && arguments[0].innerHTML.includes('tw-c-text-overlay') && arguments[0].innerHTML.includes('ad-banner')) {
onFoundAd();
}
};
};*/
function onFoundAd() {
if (!foundAdContainer) {
//hide ad contianers
@ -29,6 +98,10 @@ twitch-videoad.js application/javascript
var liveVid = document.getElementsByTagName("video");
if (liveVid.length) {
disabledVideo = liveVid = liveVid[0];
if (!disabledVideo) {
console.log('skipppp');
return;
}
//mute
originalVolume = liveVid.volume;
liveVid.volume = 0;
@ -68,7 +141,9 @@ twitch-videoad.js application/javascript
tempVideo = document.createElement('video');
tempVideo.autoplay = true;
tempVideo.volume = originalVolume;
console.log(disabledVideo);
disabledVideo.parentElement.insertBefore(tempVideo, disabledVideo.nextSibling);
console.log('123');
if (Hls.isSupported()) {
tempVideo.hls = new Hls();
tempVideo.hls.loadSource(tempM3u8);
@ -90,6 +165,7 @@ twitch-videoad.js application/javascript
for (var i = 0; i < adBanner.length; i++) {
if (adBanner[i].attributes["data-test-selector"]) {
foundAd = true;
foundBannerPrev = true;
break;
}
}
@ -102,13 +178,14 @@ twitch-videoad.js application/javascript
}
if (foundAd && typeof Hls !== 'undefined') {
onFoundAd();
} else {
} else if (!foundAd && foundBannerPrev) {
//if no ad and video blacked out, unmute and disable black out
if (disabledVideo) {
disabledVideo.volume = originalVolume;
disabledVideo.style.filter = "";
disabledVideo = null;
foundAdContainer = false;
foundBannerPrev = false;
if (tempVideo) {
tempVideo.hls.stopLoad();
tempVideo.remove();

75
mute-black/mute-black-ublock-origin.js
View File

@ -2,16 +2,85 @@
twitch-videoad.js application/javascript
(function() {
if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
////////////////////////////
// BEGIN WORKER
////////////////////////////
const oldWorker = window.Worker;
window.Worker = class Worker extends oldWorker {
constructor(twitchBlobUrl) {
var jsURL = getWasmWorkerUrl(twitchBlobUrl);
var version = jsURL.match(/wasmworker\.min\-(.*)\.js/)[1];
var newBlobStr = `
var Module = {
WASM_BINARY_URL: '${jsURL.replace('.js', '.wasm')}',
WASM_CACHE_MODE: true
}
${detectAds.toString()}
${hookWorkerFetch.toString()}
hookWorkerFetch();
importScripts('${jsURL}');
`
super(URL.createObjectURL(new Blob([newBlobStr])));
this.onmessage = function(e) {
if (e.data.key == 'HideAd') {
onFoundAd();
}
}
}
}
function getWasmWorkerUrl(twitchBlobUrl) {
var req = new XMLHttpRequest();
req.open('GET', twitchBlobUrl, false);
req.send();
return req.responseText.split("'")[1];
}
async function detectAds(url, textStr) {
if (!textStr.includes(',live') && textStr.includes('stitched-ad')) {
postMessage({key:'HideAd'});
}
return textStr;
}
function hookWorkerFetch() {
var realFetch = fetch;
fetch = async function(url, options) {
if (typeof url === 'string') {
if (url.endsWith('m3u8')) {
// Based on https://github.com/jpillora/xhook
return new Promise(function(resolve, reject) {
var processAfter = async function(response) {
var str = await detectAds(url, await response.text());
resolve(new Response(str));
};
var send = function() {
return realFetch(url, options).then(function(response) {
processAfter(response);
})['catch'](function(err) {
console.log('fetch hook err ' + err);
reject(err);
});
};
send();
});
}
}
return realFetch.apply(this, arguments);
}
}
////////////////////////////
// END WORKER
////////////////////////////
var disabledVideo = null;
var foundAdContainer = false;
var foundBannerPrev = false;
var originalVolume = 0;
/*//Maybe a bit heavy handed...
var originalAppendChild = Element.prototype.appendChild;
Element.prototype.appendChild = function() {
originalAppendChild.apply(this, arguments);
if (arguments[0] && arguments[0].innerHTML && arguments[0].innerHTML.includes('tw-c-text-overlay') && arguments[0].innerHTML.includes('ad-banner')) {
onFoundAd();
}
};
};*/
function onFoundAd() {
if (!foundAdContainer) {
//hide ad contianers
@ -44,18 +113,20 @@ twitch-videoad.js application/javascript
for (var i = 0; i < adBanner.length; i++) {
if (adBanner[i].attributes["data-test-selector"]) {
foundAd = true;
foundBannerPrev = true;
break;
}
}
if (foundAd) {
onFoundAd();
} else {
} else if (!foundAd && foundBannerPrev) {
//if no ad and video blacked out, unmute and disable black out
if (disabledVideo) {
disabledVideo.volume = originalVolume;
disabledVideo.style.filter = "";
disabledVideo = null;
foundAdContainer = false;
foundBannerPrev = false;
}
}
setTimeout(checkForAd,100);