Allow for dynamic reconfiguration of the video bitrate used (a2eb22c1) · Commits · e / os / android_frameworks_av

include/media/stagefright/ACodec.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,8 @@ struct ACodec : public AHierarchicalStateMachine {
		void signalResume();
		void initiateShutdown(bool keepComponentAllocated = false);

		void signalSetParameters(const sp<AMessage> &msg);

		void initiateAllocateComponent(const sp<AMessage> &msg);
		void initiateConfigureComponent(const sp<AMessage> &msg);
		void initiateStart();
		@@ -105,6 +107,7 @@ private:
		kWhatConfigureComponent = 'conf',
		kWhatStart = 'star',
		kWhatRequestIDRFrame = 'ridr',
		kWhatSetParameters = 'setP',
		};

		enum {
		@@ -270,6 +273,7 @@ private:
		status_t internalError = UNKNOWN_ERROR);

		status_t requestIDRFrame();
		status_t setParameters(const sp<AMessage> &params);

		DISALLOW_EVIL_CONSTRUCTORS(ACodec);
		};

include/media/stagefright/MediaCodec.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -115,6 +115,8 @@ struct MediaCodec : public AHandler {

		status_t getName(AString *componentName) const;

		status_t setParameters(const sp<AMessage> &params);

		protected:
		virtual ~MediaCodec();
		virtual void onMessageReceived(const sp<AMessage> &msg);
		@@ -157,6 +159,7 @@ private:
		kWhatRequestIDRFrame = 'ridr',
		kWhatRequestActivityNotification = 'racN',
		kWhatGetName = 'getN',
		kWhatSetParameters = 'setP',
		};

		enum {
		@@ -230,6 +233,8 @@ private:

		void postActivityNotificationIfPossible();

		status_t onSetParameters(const sp<AMessage> &params);

		DISALLOW_EVIL_CONSTRUCTORS(MediaCodec);
		};

media/libstagefright/ACodec.cpp

+48 −0

Original line number	Diff line number	Diff line
		@@ -374,6 +374,12 @@ void ACodec::initiateSetup(const sp<AMessage> &msg) {
		msg->post();
		}

		void ACodec::signalSetParameters(const sp<AMessage> &params) {
		sp<AMessage> msg = new AMessage(kWhatSetParameters, id());
		msg->setMessage("params", params);
		msg->post();
		}

		void ACodec::initiateAllocateComponent(const sp<AMessage> &msg) {
		msg->setWhat(kWhatAllocateComponent);
		msg->setTarget(id());
		@@ -3550,6 +3556,23 @@ bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
		break;
		}

		case kWhatSetParameters:
		{
		sp<AMessage> params;
		CHECK(msg->findMessage("params", &params));

		status_t err = mCodec->setParameters(params);

		sp<AMessage> reply;
		if (msg->findMessage("reply", &reply)) {
		reply->setInt32("err", err);
		reply->post();
		}

		handled = true;
		break;
		}

		default:
		handled = BaseState::onMessageReceived(msg);
		break;
		@@ -3558,6 +3581,31 @@ bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
		return handled;
		}

		status_t ACodec::setParameters(const sp<AMessage> &params) {
		int32_t videoBitrate;
		if (params->findInt32("videoBitrate", &videoBitrate)) {
		OMX_VIDEO_CONFIG_BITRATETYPE configParams;
		InitOMXParams(&configParams);
		configParams.nPortIndex = kPortIndexOutput;
		configParams.nEncodeBitrate = videoBitrate;

		status_t err = mOMX->setConfig(
		mNode,
		OMX_IndexConfigVideoBitrate,
		&configParams,
		sizeof(configParams));

		if (err != OK) {
		ALOGE("setConfig(OMX_IndexConfigVideoBitrate, %d) failed w/ err %d",
		videoBitrate, err);

		return err;
		}
		}

		return OK;
		}

		bool ACodec::ExecutingState::onOMXEvent(
		OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
		switch (event) {

media/libstagefright/MediaCodec.cpp

+31 −0

Original line number	Diff line number	Diff line
		@@ -1203,6 +1203,23 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
		break;
		}

		case kWhatSetParameters:
		{
		uint32_t replyID;
		CHECK(msg->senderAwaitsResponse(&replyID));

		sp<AMessage> params;
		CHECK(msg->findMessage("params", &params));

		status_t err = onSetParameters(params);

		sp<AMessage> response = new AMessage;
		response->setInt32("err", err);

		response->postReply(replyID);
		break;
		}

		default:
		TRESPASS();
		}
		@@ -1556,4 +1573,18 @@ void MediaCodec::postActivityNotificationIfPossible() {
		}
		}

		status_t MediaCodec::setParameters(const sp<AMessage> &params) {
		sp<AMessage> msg = new AMessage(kWhatSetParameters, id());
		msg->setMessage("params", params);

		sp<AMessage> response;
		return PostAndAwaitResponse(msg, &response);
		}

		status_t MediaCodec::onSetParameters(const sp<AMessage> &params) {
		mCodec->signalSetParameters(params);

		return OK;
		}

		} // namespace android

media/libstagefright/wifi-display/source/Converter.cpp

+14 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@ Converter::Converter(
		,mFirstSilentFrameUs(-1ll)
		,mInSilentMode(false)
		#endif
		,mPrevVideoBitrate(-1)
		{
		AString mime;
		CHECK(mInputFormat->findString("mime", &mime));
		@@ -185,6 +186,7 @@ status_t Converter::initEncoder() {

		int32_t audioBitrate = getBitrate("media.wfd.audio-bitrate", 128000);
		int32_t videoBitrate = getBitrate("media.wfd.video-bitrate", 5000000);
		mPrevVideoBitrate = videoBitrate;

		ALOGI("using audio bitrate of %d bps, video bitrate of %d bps",
		audioBitrate, videoBitrate);
		@@ -606,6 +608,18 @@ status_t Converter::feedEncoderInputBuffers() {
		}

		status_t Converter::doMoreWork() {
		if (mIsVideo) {
		int32_t videoBitrate = getBitrate("media.wfd.video-bitrate", 5000000);
		if (videoBitrate != mPrevVideoBitrate) {
		sp<AMessage> params = new AMessage;

		params->setInt32("videoBitrate", videoBitrate);
		mEncoder->setParameters(params);

		mPrevVideoBitrate = videoBitrate;
		}
		}

		status_t err;

		for (;;) {