Merge "MPEG2TSExtractor: support m2ts container" into qt-dev (c2442717) · Commits · e / os / android_frameworks_av

media/extractors/mpeg2/ExtractorBundle.cpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,8 @@ struct CDataSource;

		static const char *extensions[] = {
		"m2p",
		"m2ts",
		"mts",
		"ts",
		NULL
		};

media/extractors/mpeg2/MPEG2TSExtractor.cpp

+22 −6

Original line number	Diff line number	Diff line
		@@ -238,6 +238,12 @@ MPEG2TSExtractor::MPEG2TSExtractor(DataSourceHelper *source)
		mParser(new ATSParser),
		mLastSyncEvent(0),
		mOffset(0) {
		char header;
		if (source->readAt(0, &header, 1) == 1 && header == 0x47) {
		mHeaderSkip = 0;
		} else {
		mHeaderSkip = 4;
		}
		init();
		}

		@@ -460,7 +466,7 @@ status_t MPEG2TSExtractor::feedMore(bool isInit) {
		Mutex::Autolock autoLock(mLock);

		uint8_t packet[kTSPacketSize];
		ssize_t n = mDataSource->readAt(mOffset, packet, kTSPacketSize);
		ssize_t n = mDataSource->readAt(mOffset + mHeaderSkip, packet, kTSPacketSize);

		if (n < (ssize_t)kTSPacketSize) {
		if (n >= 0) {
		@@ -470,7 +476,7 @@ status_t MPEG2TSExtractor::feedMore(bool isInit) {
		}

		ATSParser::SyncEvent event(mOffset);
		mOffset += n;
		mOffset += mHeaderSkip + n;
		status_t err = mParser->feedTSPacket(packet, kTSPacketSize, &event);
		if (event.hasReturnedData()) {
		if (isInit) {
		@@ -539,15 +545,15 @@ status_t MPEG2TSExtractor::estimateDurationsFromTimesUsAtEnd() {
		break;
		}

		ssize_t n = mDataSource->readAt(offset, packet, kTSPacketSize);
		ssize_t n = mDataSource->readAt(offset+mHeaderSkip, packet, kTSPacketSize);
		if (n < 0) {
		return n;
		} else if (n < (ssize_t)kTSPacketSize) {
		break;
		}

		offset += kTSPacketSize;
		bytesRead += kTSPacketSize;
		offset += kTSPacketSize + mHeaderSkip;
		bytesRead += kTSPacketSize + mHeaderSkip;
		err = parser->feedTSPacket(packet, kTSPacketSize, &ev);
		if (err != OK) {
		return err;
		@@ -791,9 +797,19 @@ bool SniffMPEG2TS(DataSourceHelper source, float confidence) {
		char header;
		if (source->readAt(kTSPacketSize * i, &header, 1) != 1
		\|\| header != 0x47) {
		// not ts file, check if m2ts file
		for (int j = 0; j < 5; ++j) {
		char headers[5];
		if (source->readAt((kTSPacketSize + 4) * j, &headers, 5) != 5
		\|\| headers[4] != 0x47) {
		// not m2ts file too, return
		return false;
		}
		}
		ALOGV("this is m2ts file\n");
		break;
		}
		}

		*confidence = 0.1f;

media/extractors/mpeg2/MPEG2TSExtractor.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,7 @@ private:

		status_t estimateDurationsFromTimesUsAtEnd();

		size_t mHeaderSkip;
		DISALLOW_EVIL_CONSTRUCTORS(MPEG2TSExtractor);
		};