Merge "Fix thumbnail track skipping" into pi-dev (4accad2f) · Commits · e / os / android_frameworks_av

media/extractors/mp4/MPEG4Extractor.cpp

+27 −11

Original line number	Diff line number	Diff line
		@@ -1123,12 +1123,25 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {

		case FOURCC('t', 'r', 'e', 'f'):
		{
		*offset += chunk_size;

		if (mLastTrack == NULL) {
		off64_t stop_offset = *offset + chunk_size;
		*offset = data_offset;
		while (*offset < stop_offset) {
		status_t err = parseChunk(offset, depth + 1);
		if (err != OK) {
		return err;
		}
		}
		if (*offset != stop_offset) {
		return ERROR_MALFORMED;
		}
		break;
		}

		case FOURCC('t', 'h', 'm', 'b'):
		{
		*offset += chunk_size;

		if (mLastTrack != NULL) {
		// Skip thumbnail track for now since we don't have an
		// API to retrieve it yet.
		// The thumbnail track can't be accessed by negative index or time,
		@@ -1136,6 +1149,7 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
		// in the thumbnail track. We'll need a dedicated API to retrieve
		// thumbnail at time instead.
		mLastTrack->skipTrack = true;
		}

		break;
		}
		@@ -2353,9 +2367,11 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
		// This means that the file should have moov box.
		// It could be any iso files (mp4, heifs, etc.)
		mHasMoovBox = true;
		if (mIsHeif) {
		ALOGV("identified HEIF image with other tracks");
		}
		}
		}

		*offset = stop_offset;