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Add filter for playback rates.

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This commit is contained in:
Anton Stupak
2013-08-14 18:10:33 +03:00
parent 642a4fa2f3
commit b4df2c4d73
1 changed files with 15 additions and 1 deletions
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16
common/lib/xmodule/xmodule/js/src/video/03_video_player.js
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@@ -315,7 +315,21 @@ function (HTML5Video) {
this.videoPlayer.log('load_video'); this.videoPlayer.log('load_video');
availablePlaybackRates = this.videoPlayer.player.getAvailablePlaybackRates(); availablePlaybackRates = this.videoPlayer.player
.getAvailablePlaybackRates();
// Because of problems with muting sound outside of range 0.25 and
// 5.0, we should filter our available playback rates.
// Issues:
// https://code.google.com/p/chromium/issues/detail?id=264341
// https://bugzilla.mozilla.org/show_bug.cgi?id=840745
// https://developer.mozilla.org/en-US/docs/DOM/HTMLMediaElement
availablePlaybackRates = _.filter(availablePlaybackRates, function(item){
var speed = Number(item);
return speed > 0.25 && speed <= 5;
});
if ((this.currentPlayerMode === 'html5') && (this.videoType === 'youtube')) { if ((this.currentPlayerMode === 'html5') && (this.videoType === 'youtube')) {
if (availablePlaybackRates.length === 1) { if (availablePlaybackRates.length === 1) {
// This condition is needed in cases when Firefox version is less than 20. In those versions // This condition is needed in cases when Firefox version is less than 20. In those versions