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Fix subtitle sync for .ass

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This commit is contained in:
redSpoutnik 2019-10-13 14:10:51 +02:00
parent 029e015068
commit bccb1e6147
1 changed files with 22 additions and 23 deletions
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45
src/components/htmlvideoplayer/plugin.js
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@ -575,35 +575,34 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
self.setSubtitleOffset = function(offset) {
var offsetValue = parseFloat(offset);
var videoElement = self._mediaElement;
var mediaStreamTextTracks = getMediaStreamTextTracks(self._currentPlayOptions.mediaSource);
Array.from(videoElement.textTracks)
.filter(function(trackElement) {
// get showing .vtt textTacks
var isVttTrackShowing = trackElement.mode === 'showing';
// get current .ass textTrack
var isAssTrackShowing = ("textTrack" + customTrackIndex) === trackElement.id;
return isVttTrackShowing || isAssTrackShowing;
})
.forEach(function(trackElement) {
// if .ass currently rendering
if(currentAssRenderer){
updateCurrentTrackOffset(offsetValue);
} else {
var videoElement = self._mediaElement;
var mediaStreamTextTracks = getMediaStreamTextTracks(self._currentPlayOptions.mediaSource);
var track = customTrackIndex === -1 ? null : mediaStreamTextTracks.filter(function (t) {
return t.Index === customTrackIndex;
})[0];
Array.from(videoElement.textTracks)
.filter(function(trackElement) {
// get showing .vtt textTacks
return trackElement.mode === 'showing';
})
.forEach(function(trackElement) {
if(track) {
offsetValue = updateCurrentTrackOffset(offsetValue);
var format = (track.Codec || '').toLowerCase();
if (format !== 'ass' && format !== 'ssa') {
var track = customTrackIndex === -1 ? null : mediaStreamTextTracks.filter(function (t) {
return t.Index === customTrackIndex;
})[0];
if(track) {
offsetValue = updateCurrentTrackOffset(offsetValue);
setVttSubtitleOffset(trackElement, offsetValue);
} else {
console.log("No available track, cannot apply offset : " + offsetValue);
}
} else {
console.log("No available track, cannot apply offset : " + offsetValue);
}
});
});
}
};
function updateCurrentTrackOffset(offsetValue) {