Slightly improve ad detection speed for mute-black / dyn-video-swap

This commit is contained in:
pixeltris 2020-12-22 20:13:01 +00:00
parent f5bbf0b893
commit 26c88c15f5
2 changed files with 104 additions and 90 deletions

View File

@ -2,12 +2,81 @@
twitch-videoad.js application/javascript twitch-videoad.js application/javascript
(function() { (function() {
if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; } if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
var tempVideo = null;
var disabledVideo = null;
var originalVolume = 0;
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 (!disabledVideo) {
//get livestream video element
var liveVid = document.getElementsByTagName("video");
if (liveVid.length) {
disabledVideo = liveVid = liveVid[0];
//mute
originalVolume = liveVid.volume;
liveVid.volume = 0;
//black out
liveVid.style.filter = "brightness(0%)";
//hide ad contianers
var adContainers = document.querySelectorAll('[data-test-selector="sad-overlay"]');
for (var i = 0; i < adContainers.length; i++) {
adContainers[i].style.display = "none";
}
var createTempStream = async function() {
// Create new video stream TODO: Do this with callbacks
var channelName = window.location.pathname.substr(1);// TODO: Better way of determining the channel name
var playerType = "thunderdome";
var CLIENT_ID = "kimne78kx3ncx6brgo4mv6wki5h1ko";
var tempM3u8 = null;
var accessTokenResponse = await fetch('https://api.twitch.tv/api/channels/' + channelName + '/access_token?oauth_token=undefined&need_https=true&platform=web&player_type=' + playerType + '&player_backend=mediaplayer', {headers:{'client-id':CLIENT_ID}});
if (accessTokenResponse.status === 200) {
var accessToken = JSON.parse(await accessTokenResponse.text());
var urlInfo = new URL('https://usher.ttvnw.net/api/channel/hls/' + channelName + '.m3u8?allow_source=true');
urlInfo.searchParams.set('sig', accessToken.sig);
urlInfo.searchParams.set('token', accessToken.token);
var encodingsM3u8Response = await fetch(urlInfo.href);
if (encodingsM3u8Response.status === 200) {
// TODO: Maybe look for the most optimal m3u8
var encodingsM3u8 = await encodingsM3u8Response.text();
var streamM3u8Url = encodingsM3u8.match(/^https:.*\.m3u8$/m)[0];
// Maybe this request is a bit unnecessary
var streamM3u8Response = await fetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
tempM3u8 = streamM3u8Url;
} else {
console.log('Backup url request (streamM3u8) failed with ' + streamM3u8Response.status);
}
} else {
console.log('Backup url request (encodingsM3u8) failed with ' + encodingsM3u8Response.status);
}
} else {
console.log('Backup url request (accessToken) failed with ' + accessTokenResponse.status);
}
if (tempM3u8 != null) {
tempVideo = document.createElement('video');
tempVideo.autoplay = true;
tempVideo.volume = originalVolume;
disabledVideo.parentElement.insertBefore(tempVideo, disabledVideo.nextSibling);
if (Hls.isSupported()) {
tempVideo.hls = new Hls();
tempVideo.hls.loadSource(tempM3u8);
tempVideo.hls.attachMedia(tempVideo);
}
//console.log(tempVideo);
//console.log(tempM3u8);
}
}
createTempStream();
}
}
}
window.addEventListener("DOMContentLoaded", function() { window.addEventListener("DOMContentLoaded", function() {
//current state of if video is disabled
var tempVideo = null;
var disabledVideo = null;
var originalVolume = 0;
//repeatedly check for ad
function checkForAd() { function checkForAd() {
//check ad by looking for text banner //check ad by looking for text banner
var adBanner = document.querySelectorAll("span.tw-c-text-overlay"); var adBanner = document.querySelectorAll("span.tw-c-text-overlay");
@ -26,69 +95,7 @@ twitch-videoad.js application/javascript
} }
} }
if (foundAd && typeof Hls !== 'undefined') { if (foundAd && typeof Hls !== 'undefined') {
//if found ad and video is visible, black out video and mute onFoundAd();
if (!disabledVideo) {
//get livestream video element
var liveVid = document.getElementsByTagName("video");
if (liveVid.length) {
disabledVideo = liveVid = liveVid[0];
//mute
originalVolume = liveVid.volume;
liveVid.volume = 0;
//black out
liveVid.style.filter = "brightness(0%)";
//hide ad contianers
var adContainers = document.querySelectorAll('[data-test-selector="sad-overlay"]');
for (var i = 0; i < adContainers.length; i++) {
adContainers[i].style.display = "none";
}
var createTempStream = async function() {
// Create new video stream TODO: Do this with callbacks
var channelName = window.location.pathname.substr(1);// TODO: Better way of determining the channel name
var playerType = "thunderdome";
var CLIENT_ID = "kimne78kx3ncx6brgo4mv6wki5h1ko";
var tempM3u8 = null;
var accessTokenResponse = await fetch('https://api.twitch.tv/api/channels/' + channelName + '/access_token?oauth_token=undefined&need_https=true&platform=web&player_type=' + playerType + '&player_backend=mediaplayer', {headers:{'client-id':CLIENT_ID}});
if (accessTokenResponse.status === 200) {
var accessToken = JSON.parse(await accessTokenResponse.text());
var urlInfo = new URL('https://usher.ttvnw.net/api/channel/hls/' + channelName + '.m3u8?allow_source=true');
urlInfo.searchParams.set('sig', accessToken.sig);
urlInfo.searchParams.set('token', accessToken.token);
var encodingsM3u8Response = await fetch(urlInfo.href);
if (encodingsM3u8Response.status === 200) {
// TODO: Maybe look for the most optimal m3u8
var encodingsM3u8 = await encodingsM3u8Response.text();
var streamM3u8Url = encodingsM3u8.match(/^https:.*\.m3u8$/m)[0];
// Maybe this request is a bit unnecessary
var streamM3u8Response = await fetch(streamM3u8Url);
if (streamM3u8Response.status == 200) {
tempM3u8 = streamM3u8Url;
} else {
console.log('Backup url request (streamM3u8) failed with ' + streamM3u8Response.status);
}
} else {
console.log('Backup url request (encodingsM3u8) failed with ' + encodingsM3u8Response.status);
}
} else {
console.log('Backup url request (accessToken) failed with ' + accessTokenResponse.status);
}
if (tempM3u8 != null) {
tempVideo = document.createElement('video');
tempVideo.autoplay = true;
tempVideo.volume = originalVolume;
disabledVideo.parentElement.insertBefore(tempVideo, disabledVideo.nextSibling);
if (Hls.isSupported()) {
tempVideo.hls = new Hls();
tempVideo.hls.loadSource(tempM3u8);
tempVideo.hls.attachMedia(tempVideo);
}
//console.log(tempVideo);
//console.log(tempM3u8);
}
}
createTempStream();
}
}
} else { } else {
//if no ad and video blacked out, unmute and disable black out //if no ad and video blacked out, unmute and disable black out
if (disabledVideo) { if (disabledVideo) {

View File

@ -2,11 +2,35 @@
twitch-videoad.js application/javascript twitch-videoad.js application/javascript
(function() { (function() {
if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; } if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
var disabledVideo = null;
var originalVolume = 0;
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 (!disabledVideo) {
//get livestream video element
var liveVid = document.getElementsByTagName("video");
if (liveVid.length) {
disabledVideo = liveVid = liveVid[0];
//mute
originalVolume = liveVid.volume;
liveVid.volume = 0;
//black out
liveVid.style.filter = "brightness(0%)";
//hide ad contianers
var adContainers = document.querySelectorAll('[data-test-selector="sad-overlay"]');
for (var i = 0; i < adContainers.length; i++) {
adContainers[i].style.display = "none";
}
}
}
}
window.addEventListener("DOMContentLoaded", function() { window.addEventListener("DOMContentLoaded", function() {
//current state of if video is disabled
var disabledVideo = null;
var originalVolume = 0;
//repeatedly check for ad
function checkForAd() { function checkForAd() {
//check ad by looking for text banner //check ad by looking for text banner
var adBanner = document.querySelectorAll("span.tw-c-text-overlay"); var adBanner = document.querySelectorAll("span.tw-c-text-overlay");
@ -18,24 +42,7 @@ twitch-videoad.js application/javascript
} }
} }
if (foundAd) { if (foundAd) {
//if found ad and video is visible, black out video and mute onFoundAd();
if (!disabledVideo) {
//get livestream video element
var liveVid = document.getElementsByTagName("video");
if (liveVid.length) {
disabledVideo = liveVid = liveVid[0];
//mute
originalVolume = liveVid.volume;
liveVid.volume = 0;
//black out
liveVid.style.filter = "brightness(0%)";
//hide ad contianers
var adContainers = document.querySelectorAll('[data-test-selector="sad-overlay"]');
for (var i = 0; i < adContainers.length; i++) {
adContainers[i].style.display = "none";
}
}
}
} else { } else {
//if no ad and video blacked out, unmute and disable black out //if no ad and video blacked out, unmute and disable black out
if (disabledVideo) { if (disabledVideo) {