Forked from guerrerocarlos/chromecast_with_subtitles.html
Created
September 23, 2018 01:24
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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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