Java Examples for com.google.android.exoplayer2.source.dash.manifest.AdaptationSet

// Internal methods.
private static Pair<TrackGroupArray, EmbeddedTrackInfo[]> buildTrackGroups(List<AdaptationSet> adaptationSets) {
    int adaptationSetCount = adaptationSets.size();
    int embeddedTrackCount = getEmbeddedTrackCount(adaptationSets);
    TrackGroup[] trackGroupArray = new TrackGroup[adaptationSetCount + embeddedTrackCount];
    EmbeddedTrackInfo[] embeddedTrackInfos = new EmbeddedTrackInfo[embeddedTrackCount];
    int embeddedTrackIndex = 0;
    for (int i = 0; i < adaptationSetCount; i++) {
        AdaptationSet adaptationSet = adaptationSets.get(i);
        List<Representation> representations = adaptationSet.representations;
        Format[] formats = new Format[representations.size()];
        for (int j = 0; j < formats.length; j++) {
            formats[j] = representations.get(j).format;
        }
        trackGroupArray[i] = new TrackGroup(formats);
        if (hasEventMessageTrack(adaptationSet)) {
            Format format = Format.createSampleFormat(adaptationSet.id + ":emsg", MimeTypes.APPLICATION_EMSG, null, Format.NO_VALUE, null);
            trackGroupArray[adaptationSetCount + embeddedTrackIndex] = new TrackGroup(format);
            embeddedTrackInfos[embeddedTrackIndex++] = new EmbeddedTrackInfo(i, C.TRACK_TYPE_METADATA);
        }
        if (hasCea608Track(adaptationSet)) {
            Format format = Format.createTextSampleFormat(adaptationSet.id + ":cea608", MimeTypes.APPLICATION_CEA608, null, Format.NO_VALUE, 0, null, null);
            trackGroupArray[adaptationSetCount + embeddedTrackIndex] = new TrackGroup(format);
            embeddedTrackInfos[embeddedTrackIndex++] = new EmbeddedTrackInfo(i, C.TRACK_TYPE_TEXT);
        }
    }
    return Pair.create(new TrackGroupArray(trackGroupArray), embeddedTrackInfos);
}