Add workaround for unmatched track indices in trex and tkhd.

Both boxes should contain the same list of track indices. However, if only one
track index in each list does not match, we can just assume that these belong
together.

Issue:#4477

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=203481258
This commit is contained in:
tonihei 2018-07-06 08:32:38 -07:00 committed by Oliver Woodman
parent 1f188c7c00
commit a50d31a70b
2 changed files with 17 additions and 2 deletions

View file

@ -15,6 +15,9 @@
([#4403](https://github.com/google/ExoPlayer/issues/4413)).
* Add support for multiple audio and video tracks in MPEG-PS streams
([#4406](https://github.com/google/ExoPlayer/issues/4406)).
* Add workaround for track index mismatches between trex and tkhd boxes in
fragmented MP4 files
([#4477](https://github.com/google/ExoPlayer/issues/4477)).
### 2.8.2 ###

View file

@ -499,7 +499,7 @@ public final class FragmentedMp4Extractor implements Extractor {
for (int i = 0; i < trackCount; i++) {
Track track = tracks.valueAt(i);
TrackBundle trackBundle = new TrackBundle(extractorOutput.track(i, track.type));
trackBundle.init(track, defaultSampleValuesArray.get(track.id));
trackBundle.init(track, getDefaultSampleValues(defaultSampleValuesArray, track.id));
trackBundles.put(track.id, trackBundle);
durationUs = Math.max(durationUs, track.durationUs);
}
@ -509,11 +509,23 @@ public final class FragmentedMp4Extractor implements Extractor {
Assertions.checkState(trackBundles.size() == trackCount);
for (int i = 0; i < trackCount; i++) {
Track track = tracks.valueAt(i);
trackBundles.get(track.id).init(track, defaultSampleValuesArray.get(track.id));
trackBundles
.get(track.id)
.init(track, getDefaultSampleValues(defaultSampleValuesArray, track.id));
}
}
}
private DefaultSampleValues getDefaultSampleValues(
SparseArray<DefaultSampleValues> defaultSampleValuesArray, int trackId) {
if (defaultSampleValuesArray.size() == 1) {
// Ignore track id if there is only one track to cope with non-matching track indices.
// See https://github.com/google/ExoPlayer/issues/4477.
return defaultSampleValuesArray.valueAt(/* index= */ 0);
}
return Assertions.checkNotNull(defaultSampleValuesArray.get(trackId));
}
private void onMoofContainerAtomRead(ContainerAtom moof) throws ParserException {
parseMoof(moof, trackBundles, flags, extendedTypeScratch);
// If drm init data is sideloaded, we ignore pssh boxes.