Forked from guerrerocarlos/chromecast_with_subtitles.html
Created
December 5, 2019 05:23
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The chromecast documentation for Chrome is terrible, so to save other's some time, here is the straigt-forward way to stream something quickly and with subtitles
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <script type="text/javascript" src="https://www.gstatic.com/cv/js/sender/v1/cast_sender.js"></script> | |
| </head> | |
| <body> | |
| Hello World</br> | |
| <a onclick="castNow()" href="#">Cast!</a></br> | |
| <a onclick="loadNow()" href="#">LOAD!</a> | |
| <!--<script src="/assets/js/cast.js"></script>--> | |
| <script> | |
| var cast = {} | |
| var castNow = function() { | |
| console.log('casting!') | |
| var sessionRequest = new chrome.cast.SessionRequest(chrome.cast.media.DEFAULT_MEDIA_RECEIVER_APP_ID); | |
| chrome.cast.requestSession(function onRequestSessionSuccess(session) { | |
| console.log('Session success', session) | |
| cast.session = session | |
| }, function onLaunchError(er) { | |
| console.log('onLaunchError', er) | |
| }, sessionRequest); | |
| setTimeout(function() { | |
| var sessionRequest = new chrome.cast.SessionRequest(chrome.cast.media.DEFAULT_MEDIA_RECEIVER_APP_ID); | |
| chrome.cast.requestSession(function onRequestSessionSuccess(session) { | |
| console.log('Session success', session) | |
| cast.session = session | |
| }, function onLaunchError(er) { | |
| console.log('onLaunchError', er) | |
| }, sessionRequest); | |
| }, 1000) | |
| } | |
| var loadNow = function() { | |
| var englishSubtitle = new chrome.cast.media.Track(1, // track ID | |
| chrome.cast.media.TrackType.TEXT); | |
| englishSubtitle.trackContentId = 'https://carlosguerrero.com/captions_styled.vtt'; | |
| englishSubtitle.trackContentType = 'text/vtt'; | |
| englishSubtitle.subtype = chrome.cast.media.TextTrackType.SUBTITLES; | |
| englishSubtitle.name = 'English Subtitles'; | |
| englishSubtitle.language = 'en-US'; | |
| englishSubtitle.customData = null; | |
| console.log('LoadNow, session:', cast.session) | |
| var mediaInfo = new chrome.cast.media.MediaInfo('http://commondatastorage.googleapis.com/gtv-videos-bucket/big_buck_bunny_1080p.mp4', 'video/mp4'); | |
| mediaInfo.tracks = [englishSubtitle] | |
| mediaInfo.activeTrackIds = [1] | |
| request = new chrome.cast.media.LoadRequest(mediaInfo); | |
| cast.session.loadMedia(request, | |
| onMediaDiscovered.bind(this, 'loadMedia'), | |
| function(er) { | |
| console.log('onMediaError', er) | |
| }); | |
| function onMediaDiscovered(how, media) { | |
| console.log('got media!', media) | |
| cast.currentMedia = media; | |
| var activeTrackIds = [1]; | |
| var tracksInfoRequest = new chrome.cast.media.EditTracksInfoRequest(activeTrackIds); | |
| media.editTracksInfo(tracksInfoRequest, function succCB(){console.log('success changing trackIDs!')}, function errorCallback(){ | |
| console.log('Error CB!') | |
| }); | |
| } | |
| } | |
| initializeCastApi = function() { | |
| console.log('initializing cast api') | |
| var sessionRequest = new chrome.cast.SessionRequest(chrome.cast.media.DEFAULT_MEDIA_RECEIVER_APP_ID); | |
| var apiConfig = new chrome.cast.ApiConfig(sessionRequest, | |
| function(session) { | |
| console.log('got session', session) | |
| cast.session = session | |
| }, | |
| function receiverListener(e) { | |
| if (e === chrome.cast.ReceiverAvailability.AVAILABLE) { | |
| console.log('receiver is available :)') | |
| } | |
| }) | |
| chrome.cast.initialize(apiConfig, function() { | |
| console.log('got initSuccess') | |
| }, | |
| function(gotError) { | |
| console.log('gotError', gotError) | |
| }); | |
| }; | |
| window.onload = function() { | |
| window['__onGCastApiAvailable'] = function(loaded, errorInfo) { | |
| console.log('in __onGCastApiAvailable, loaded:', loaded) | |
| if (loaded) { | |
| initializeCastApi() | |
| } | |
| }; | |
| } | |
| </script> | |
| </body> |
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