Created
July 1, 2015 21:54
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<video controls="" autoplay="" width="320" height="240"></video> | |
<script> | |
var video = document.querySelector('video'); | |
video.addEventListener('error', onVideoError); | |
window.MediaSource = window.MediaSource || window.WebKitMediaSource; | |
var mediaSource = new MediaSource(); | |
video.src = window.URL.createObjectURL(mediaSource); | |
mediaSource.addEventListener('sourceopen', function(){ | |
window.video.pause(); | |
window.mediaSource.mode = 'sequence' | |
window.sourceBuffer = window.mediaSource.addSourceBuffer('audio/webm; codecs="opus"'); | |
fileDownload('0.webm', function(ar) { | |
var appendTime = 0 | |
sourceBuffer.timestampOffset = appendTime - 648/48000; | |
sourceBuffer.appendWindowEnd = appendTime + 5; | |
sourceBuffer.appendWindowStart = appendTime; | |
window.sourceBuffer.appendBuffer(new Uint8Array(ar)); | |
fileDownload('1.webm', function(ar) { | |
var appendTime = 5//window.sourceBuffer.buffered.end(0); | |
sourceBuffer.timestampOffset = appendTime - 648/48000; | |
sourceBuffer.appendWindowEnd = appendTime + 5; | |
sourceBuffer.appendWindowStart = appendTime; | |
window.sourceBuffer.appendBuffer(new Uint8Array(ar)); | |
fileDownload('2.webm', function(ar) { | |
var appendTime = 10//window.sourceBuffer.buffered.end(0); | |
sourceBuffer.timestampOffset = appendTime - 648/48000; | |
sourceBuffer.appendWindowEnd = appendTime + 5; | |
sourceBuffer.appendWindowStart = appendTime; | |
window.sourceBuffer.appendBuffer(new Uint8Array(ar)); | |
window.video.play(); | |
}); | |
}); | |
}); | |
}); | |
function onVideoError() { | |
var error = video.error | |
switch (error.code) { | |
case error.MEDIA_ERR_DECODE: | |
console.error(`[MediaLoader] Error: Failed to decode media.`) | |
break | |
case error.MEDIA_ERR_SRC_NOT_SUPPORTED: | |
console.error(`[MediaLoader] Error: Source is not supported.`) | |
break | |
case error.MEDIA_ERR_NETWORK: | |
console.error(`[MediaLoader] Error: Network error.`) | |
break | |
case error.MEDIA_ERR_ABORTED: | |
console.error(`[MediaLoader] Error: Aborted.`) | |
break | |
} | |
} | |
function fileDownload(url, cb) { | |
var xhr = new XMLHttpRequest(); | |
xhr.open('GET', url, true); | |
xhr.responseType = 'arraybuffer'; | |
xhr.send(); | |
xhr.onload = function(e) { | |
cb(xhr.response); | |
}; | |
}; | |
</script> |
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