Merge "MEPG4Writer:return track errors to clients" into rvc-dev am: ea5f4133c7 (344a6065) · Commits · e / os / android_frameworks_av

media/libstagefright/MPEG4Writer.cpp

+110 −55

Original line number	Diff line number	Diff line
		@@ -945,10 +945,30 @@ status_t MPEG4Writer::start(MetaData *param) {
		mInMemoryCache = NULL;
		mInMemoryCacheOffset = 0;

		status_t err = OK;
		int32_t is4bitTrackId = false;
		if (param && param->findInt32(kKey4BitTrackIds, &is4bitTrackId) && is4bitTrackId) {
		err = validateAllTracksId(true);
		} else {
		err = validateAllTracksId(false);
		}
		if (err != OK) {
		return err;
		}

		ALOGV("muxer starting: mHasMoovBox %d, mHasFileLevelMeta %d",
		mHasMoovBox, mHasFileLevelMeta);

		err = startWriterThread();
		if (err != OK) {
		return err;
		}

		err = setupAndStartLooper();
		if (err != OK) {
		return err;
		}

		writeFtypBox(param);

		mFreeBoxOffset = mOffset;
		@@ -980,22 +1000,22 @@ status_t MPEG4Writer::start(MetaData *param) {
		seekOrPostError(mFd, mMdatOffset, SEEK_SET);
		write("\x00\x00\x00\x01mdat????????", 16);

		status_t err = startWriterThread();
		if (err != OK) {
		return err;
		}

		setupAndStartLooper();

		int32_t is4bitTrackId = false;
		if (param && param->findInt32(kKey4BitTrackIds, &is4bitTrackId) && is4bitTrackId) {
		err = validateAllTracksId(true);
		}
		else {
		err = validateAllTracksId(false);
		}
		if (err != OK) {
		return err;
		/* Confirm whether the writing of the initial file atoms, ftyp and free,
		* are written to the file properly by posting kWhatNoIOErrorSoFar to the
		* MP4WtrCtrlHlpLooper that's handling write and seek errors also. If there
		* was kWhatIOError, the following two scenarios should be handled.
		* 1) If kWhatIOError was delivered and processed, MP4WtrCtrlHlpLooper
		* would have stopped all threads gracefully already and posting
		* kWhatNoIOErrorSoFar would fail.
		* 2) If kWhatIOError wasn't delivered or getting processed,
		* kWhatNoIOErrorSoFar should get posted successfully. Wait for
		* response from MP4WtrCtrlHlpLooper.
		*/
		sp<AMessage> msg = new AMessage(kWhatNoIOErrorSoFar, mReflector);
		sp<AMessage> response;
		err = msg->postAndAwaitResponse(&response);
		if (err != OK \|\| !response->findInt32("err", &err) \|\| err != OK) {
		return ERROR_IO;
		}

		err = startTracks(param);
		@@ -1025,13 +1045,16 @@ status_t MPEG4Writer::stopWriterThread() {
		}

		void *dummy;
		status_t err = pthread_join(mThread, &dummy);
		WARN_UNLESS(err == 0, "stopWriterThread pthread_join err: %d", err);

		status_t err = OK;
		int retVal = pthread_join(mThread, &dummy);
		if (retVal == 0) {
		err = static_cast<status_t>(reinterpret_cast<uintptr_t>(dummy));
		ALOGD("WriterThread stopped. Status:%d", err);
		} else {
		ALOGE("stopWriterThread pthread_join status:%d", retVal);
		err = UNKNOWN_ERROR;
		}
		mWriterThreadStarted = false;
		WARN_UNLESS(err == 0, "stopWriterThread pthread_join retVal: %d", err);
		ALOGD("Writer thread stopped");
		return err;
		}

		@@ -1089,23 +1112,26 @@ void MPEG4Writer::writeCompositionMatrix(int degrees) {

		status_t MPEG4Writer::release() {
		ALOGD("release()");
		if (mPreAllocationEnabled) {
		truncatePreAllocation();
		}
		int err = OK;
		int retVal = fsync(mFd);
		WARN_UNLESS(retVal == 0, "fsync err:%s(%d)", std::strerror(errno), errno);
		err \|= retVal;
		retVal = close(mFd);
		WARN_UNLESS(retVal == 0, "close err:%s(%d)", std::strerror(errno), errno);
		err \|= retVal;
		status_t err = OK;
		if (!truncatePreAllocation()) {
		if (err == OK) { err = ERROR_IO; }
		}
		if (fsync(mFd) != 0) {
		ALOGW("(ignored)fsync err:%s(%d)", std::strerror(errno), errno);
		// Don't bubble up fsync error, b/157291505.
		// if (err == OK) { err = ERROR_IO; }
		}
		if (close(mFd) != 0) {
		ALOGE("close err:%s(%d)", std::strerror(errno), errno);
		if (err == OK) { err = ERROR_IO; }
		}
		mFd = -1;
		if (mNextFd != -1) {
		retVal = close(mNextFd);
		if (close(mNextFd) != 0) {
		ALOGE("close(mNextFd) error:%s(%d)", std::strerror(errno), errno);
		}
		if (err == OK) { err = ERROR_IO; }
		mNextFd = -1;
		WARN_UNLESS(retVal == 0, "close mNextFd error:%s(%d)",
		std::strerror(errno), errno);
		err \|= retVal;
		}
		stopAndReleaseLooper();
		mInitCheck = NO_INIT;
		@@ -1165,7 +1191,7 @@ status_t MPEG4Writer::reset(bool stopSource) {
		for (List<Track *>::iterator it = mTracks.begin();
		it != mTracks.end(); ++it) {
		status_t trackErr = (*it)->stop(stopSource);
		WARN_UNLESS(trackErr == 0, "%s track stopped with an error",
		WARN_UNLESS(trackErr == OK, "%s track stopped with an error",
		(*it)->getTrackType());
		if (err == OK && trackErr != OK) {
		err = trackErr;
		@@ -1254,7 +1280,11 @@ status_t MPEG4Writer::reset(bool stopSource) {

		CHECK(mBoxes.empty());

		err = release();
		status_t errRelease = release();
		// Prioritize the error that occurred before release().
		if (err == OK) {
		err = errRelease;
		}
		return err;
		}

		@@ -1577,9 +1607,8 @@ void MPEG4Writer::writeOrPostError(int fd, const void* buf, size_t count) {

		// Can't guarantee that file is usable or write would succeed anymore, hence signal to stop.
		sp<AMessage> msg = new AMessage(kWhatIOError, mReflector);
		msg->setInt32("errno", errno);
		status_t err = msg->post();
		ALOGE("writeOrPostError post:%d", err);
		msg->setInt32("err", ERROR_IO);
		WARN_UNLESS(msg->post() == OK, "writeOrPostError:error posting ERROR_IO");
		}

		void MPEG4Writer::seekOrPostError(int fd, off64_t offset, int whence) {
		@@ -1597,9 +1626,8 @@ void MPEG4Writer::seekOrPostError(int fd, off64_t offset, int whence) {

		// Can't guarantee that file is usable or seek would succeed anymore, hence signal to stop.
		sp<AMessage> msg = new AMessage(kWhatIOError, mReflector);
		msg->setInt32("errno", errno);
		status_t err = msg->post();
		ALOGE("seekOrPostError post:%d", err);
		msg->setInt32("err", ERROR_IO);
		WARN_UNLESS(msg->post() == OK, "seekOrPostError:error posting ERROR_IO");
		}

		void MPEG4Writer::beginBox(uint32_t id) {
		@@ -1838,7 +1866,7 @@ bool MPEG4Writer::preAllocate(uint64_t wantSize) {
		if (res == -1) {
		ALOGE("fallocate err:%s, %d, fd:%d", strerror(errno), errno, mFd);
		sp<AMessage> msg = new AMessage(kWhatFallocateError, mReflector);
		msg->setInt32("errno", errno);
		msg->setInt32("err", ERROR_IO);
		status_t err = msg->post();
		mFallocateErr = true;
		ALOGD("preAllocation post:%d", err);
		@@ -1850,6 +1878,9 @@ bool MPEG4Writer::preAllocate(uint64_t wantSize) {
		}

		bool MPEG4Writer::truncatePreAllocation() {
		if (!mPreAllocationEnabled)
		return true;

		bool status = true;
		off64_t endOffset = std::max(mMdatEndOffset, mOffset);
		/* if mPreAllocateFileEndOffset >= endOffset, then preallocation logic works good. (diff >= 0).
		@@ -1861,6 +1892,10 @@ bool MPEG4Writer::truncatePreAllocation() {
		if(ftruncate(mFd, endOffset) == -1) {
		ALOGE("ftruncate err:%s, %d, fd:%d", strerror(errno), errno, mFd);
		status = false;
		/* No need to post and handle(stop & notify client) error like it's done in preAllocate(),
		* because ftruncate() is called during release() only and the error here would be
		* reported from there as this function is returning false on any error in ftruncate().
		*/
		}
		return status;
		}
		@@ -2153,14 +2188,17 @@ void MPEG4Writer::Track::addOneElstTableEntry(
		mElstTableEntries->add(htonl((((uint32_t)mediaRate) << 16) \| (uint32_t)mediaRateFraction));
		}

		void MPEG4Writer::setupAndStartLooper() {
		status_t MPEG4Writer::setupAndStartLooper() {
		status_t err = OK;
		if (mLooper == nullptr) {
		mLooper = new ALooper;
		mLooper->setName("MP4WtrCtrlHlpLooper");
		mLooper->start();
		err = mLooper->start();
		mReflector = new AHandlerReflector<MPEG4Writer>(this);
		mLooper->registerHandler(mReflector);
		}
		ALOGD("MP4WtrCtrlHlpLooper Started");
		return err;
		}

		void MPEG4Writer::stopAndReleaseLooper() {
		@@ -2399,23 +2437,35 @@ void MPEG4Writer::onMessageReceived(const sp<AMessage> &msg) {
		case kWhatIOError: {
		ALOGE("kWhatIOError");
		int32_t err;
		CHECK(msg->findInt32("errno", &err));
		CHECK(msg->findInt32("err", &err));
		// Stop tracks' threads and main writer thread.
		stop();
		notify(MEDIA_RECORDER_EVENT_ERROR, MEDIA_RECORDER_ERROR_UNKNOWN, err);
		break;
		}
		// fallocate() failed, hence notify app about it and stop().
		// fallocate() failed, hence stop() and notify app.
		case kWhatFallocateError: {
		ALOGE("kWhatFallocateError");
		int32_t err;
		CHECK(msg->findInt32("errno", &err));
		CHECK(msg->findInt32("err", &err));
		// Stop tracks' threads and main writer thread.
		stop();
		//TODO: introduce a suitable MEDIA_RECORDER_ERROR_* instead MEDIA_RECORDER_ERROR_UNKNOWN?
		notify(MEDIA_RECORDER_EVENT_ERROR, MEDIA_RECORDER_ERROR_UNKNOWN, err);
		break;
		}
		/* Response to kWhatNoIOErrorSoFar would be OK always as of now.
		* Responding with other options could be added later if required.
		*/
		case kWhatNoIOErrorSoFar: {
		ALOGD("kWhatNoIOErrorSoFar");
		sp<AMessage> response = new AMessage;
		response->setInt32("err", OK);
		sp<AReplyToken> replyID;
		CHECK(msg->senderAwaitsResponse(&replyID));
		response->postReply(replyID);
		break;
		}
		default:
		TRESPASS();
		}
		@@ -2778,11 +2828,16 @@ status_t MPEG4Writer::Track::stop(bool stopSource) {
		mDone = true;

		void *dummy;
		status_t err = pthread_join(mThread, &dummy);
		WARN_UNLESS(err == 0, "track::stop: pthread_join status:%d", err);
		status_t threadRetVal = static_cast<status_t>(reinterpret_cast<uintptr_t>(dummy));
		WARN_UNLESS(threadRetVal == 0, "%s track stopped. Status :%d. %s source",
		status_t err = OK;
		int retVal = pthread_join(mThread, &dummy);
		if (retVal == 0) {
		err = static_cast<status_t>(reinterpret_cast<uintptr_t>(dummy));
		ALOGD("%s track stopped. Status:%d. %s source",
		getTrackType(), err, stopSource ? "Stop" : "Not Stop");
		} else {
		ALOGE("track::stop: pthread_join retVal:%d", retVal);
		err = UNKNOWN_ERROR;
		}
		mStarted = false;
		return err;
		}

media/libstagefright/include/media/stagefright/MPEG4Writer.h

+3 −2

Original line number	Diff line number	Diff line
		@@ -87,7 +87,8 @@ private:
		enum {
		kWhatSwitch = 'swch',
		kWhatIOError = 'ioer',
		kWhatFallocateError = 'faer'
		kWhatFallocateError = 'faer',
		kWhatNoIOErrorSoFar = 'noie'
		};

		int mFd;
		@@ -231,7 +232,7 @@ private:
		status_t stopWriterThread();
		static void ThreadWrapper(void me);
		void threadFunc();
		void setupAndStartLooper();
		status_t setupAndStartLooper();
		void stopAndReleaseLooper();

		// Buffer a single chunk to be written out later.