Determine frame rate from trex box if stsz box is empty (949d857e) · Commits · e / os / android_frameworks_av

media/libstagefright/MPEG4Extractor.cpp

+24 −7

Original line number	Diff line number	Diff line
		@@ -1560,6 +1560,22 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
		// Calculate average frame rate.
		if (!strncasecmp("video/", mime, 6)) {
		size_t nSamples = mLastTrack->sampleTable->countSamples();
		if (nSamples == 0) {
		int32_t trackId;
		if (mLastTrack->meta->findInt32(kKeyTrackID, &trackId)) {
		for (size_t i = 0; i < mTrex.size(); i++) {
		Trex *t = &mTrex.editItemAt(i);
		if (t->track_ID == (uint32_t) trackId) {
		if (t->default_sample_duration > 0) {
		int32_t frameRate =
		mLastTrack->timescale / t->default_sample_duration;
		mLastTrack->meta->setInt32(kKeyFrameRate, frameRate);
		}
		break;
		}
		}
		}
		} else {
		int64_t durationUs;
		if (mLastTrack->meta->findInt64(kKeyDuration, &durationUs)) {
		if (durationUs > 0) {
		@@ -1569,6 +1585,7 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
		}
		}
		}
		}

		break;
		}
		@@ -2929,7 +2946,7 @@ sp<IMediaSource> MPEG4Extractor::getTrack(size_t index) {
		int32_t trackId;
		if (track->meta->findInt32(kKeyTrackID, &trackId)) {
		for (size_t i = 0; i < mTrex.size(); i++) {
		Trex *t = &mTrex.editItemAt(index);
		Trex *t = &mTrex.editItemAt(i);
		if (t->track_ID == (uint32_t) trackId) {
		trex = t;
		break;