NuMediaExtractor: add sample size API (dd6c17fb) · Commits · e / os / android_frameworks_av

media/libstagefright/NuMediaExtractor.cpp

+22 −0

Original line number	Diff line number	Diff line
		@@ -660,6 +660,28 @@ status_t NuMediaExtractor::readSampleData(const sp<ABuffer> &buffer) {
		return err;
		}

		status_t NuMediaExtractor::getSampleSize(size_t *sampleSize) {
		Mutex::Autolock autoLock(mLock);

		ssize_t minIndex = fetchAllTrackSamples();

		if (minIndex < 0) {
		return ERROR_END_OF_STREAM;
		}

		TrackInfo *info = &mSelectedTracks.editItemAt(minIndex);
		auto it = info->mSamples.begin();
		*sampleSize = it->mBuffer->range_length();

		if (info->mTrackFlags & kIsVorbis) {
		// Each sample's data is suffixed by the number of page samples
		// or -1 if not available.
		*sampleSize += sizeof(int32_t);
		}

		return OK;
		}

		status_t NuMediaExtractor::getSampleTrackIndex(size_t *trackIndex) {
		Mutex::Autolock autoLock(mLock);

+1 −0

Original line number	Diff line number	Diff line
		@@ -85,6 +85,7 @@ struct NuMediaExtractor : public RefBase {
		// readSampleData() reads the sample with the lowest timestamp.
		status_t readSampleData(const sp<ABuffer> &buffer);

		status_t getSampleSize(size_t *sampleSize);
		status_t getSampleTrackIndex(size_t *trackIndex);
		status_t getSampleTime(int64_t *sampleTimeUs);
		status_t getSampleMeta(sp<MetaData> *sampleMeta);