Merge "ACodec: submit extra output metadata buffers if in low latency mode"... (165a485a) · Commits · e / os / android_frameworks_av

media/libstagefright/ACodec.cpp

+37 −2

Original line number	Diff line number	Diff line
		@@ -279,6 +279,13 @@ protected:

		void postFillThisBuffer(BufferInfo *info);

		void maybePostExtraOutputMetadataBufferRequest() {
		if (!mPendingExtraOutputMetadataBufferRequest) {
		(new AMessage(kWhatSubmitExtraOutputMetadataBuffer, mCodec))->post();
		mPendingExtraOutputMetadataBufferRequest = true;
		}
		}

		private:
		// Handles an OMX message. Returns true iff message was handled.
		bool onOMXMessage(const sp<AMessage> &msg);
		@@ -302,6 +309,8 @@ private:

		void getMoreInputDataIfPossible();

		bool mPendingExtraOutputMetadataBufferRequest;

		DISALLOW_EVIL_CONSTRUCTORS(BaseState);
		};

		@@ -555,6 +564,7 @@ ACodec::ACodec()
		mShutdownInProgress(false),
		mExplicitShutdown(false),
		mIsLegacyVP9Decoder(false),
		mIsLowLatency(false),
		mEncoderDelay(0),
		mEncoderPadding(0),
		mRotationDegrees(0),
		@@ -2415,6 +2425,7 @@ status_t ACodec::setLowLatency(int32_t lowLatency) {
		if (err != OK) {
		ALOGE("decoder can not set low-latency to %d (err %d)", lowLatency, err);
		}
		mIsLowLatency = (lowLatency && err == OK);
		return err;
		}

		@@ -5748,7 +5759,8 @@ status_t ACodec::requestIDRFrame() {

		ACodec::BaseState::BaseState(ACodec *codec, const sp<AState> &parentState)
		: AState(parentState),
		mCodec(codec) {
		mCodec(codec),
		mPendingExtraOutputMetadataBufferRequest(false) {
		}

		ACodec::BaseState::PortMode ACodec::BaseState::getPortMode(
		@@ -5849,6 +5861,21 @@ bool ACodec::BaseState::onMessageReceived(const sp<AMessage> &msg) {
		break;
		}

		case kWhatSubmitExtraOutputMetadataBuffer: {
		mPendingExtraOutputMetadataBufferRequest = false;
		if (getPortMode(kPortIndexOutput) == RESUBMIT_BUFFERS && mCodec->mIsLowLatency) {
		// Decoders often need more than one output buffer to be
		// submitted before processing a single input buffer.
		// For low latency codecs, we don't want to wait for more input
		// to be queued to get those output buffers submitted.
		if (mCodec->submitOutputMetadataBuffer() == OK
		&& mCodec->mMetadataBuffersToSubmit > 0) {
		maybePostExtraOutputMetadataBufferRequest();
		}
		}
		break;
		}

		default:
		return false;
		}
		@@ -6205,7 +6232,12 @@ void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
		(outputMode == FREE_BUFFERS ? "FREE" :
		outputMode == KEEP_BUFFERS ? "KEEP" : "RESUBMIT"));
		if (outputMode == RESUBMIT_BUFFERS) {
		mCodec->submitOutputMetadataBuffer();
		status_t err = mCodec->submitOutputMetadataBuffer();
		if (mCodec->mIsLowLatency
		&& err == OK
		&& mCodec->mMetadataBuffersToSubmit > 0) {
		maybePostExtraOutputMetadataBufferRequest();
		}
		}
		}
		info->checkReadFence("onInputBufferFilled");
		@@ -7351,6 +7383,9 @@ void ACodec::ExecutingState::submitOutputMetaBuffers() {
		break;
		}
		}
		if (mCodec->mIsLowLatency) {
		maybePostExtraOutputMetadataBufferRequest();
		}

		// * NOTE: THE FOLLOWING WORKAROUND WILL BE REMOVED *
		mCodec->signalSubmitOutputMetadataBufferIfEOS_workaround();

media/libstagefright/include/media/stagefright/ACodec.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -147,6 +147,7 @@ private:
		kWhatReleaseCodecInstance = 'relC',
		kWhatForceStateTransition = 'fstt',
		kWhatCheckIfStuck = 'Cstk',
		kWhatSubmitExtraOutputMetadataBuffer = 'sbxo',
		};

		enum {
		@@ -272,6 +273,7 @@ private:
		bool mShutdownInProgress;
		bool mExplicitShutdown;
		bool mIsLegacyVP9Decoder;
		bool mIsLowLatency;

		// If "mKeepComponentAllocated" we only transition back to Loaded state
		// and do not release the component instance.