Snap for 5821701 from ccc32cb95525c87461b388811e442120deef98eb to qt-c2f2-release (068e5214) · Commits · e / os / android_frameworks_av

media/bufferpool/1.0/AccessorImpl.cpp

+8 −1

Original line number	Diff line number	Diff line
		@@ -151,6 +151,7 @@ ResultStatus Accessor::Impl::connect(
		newConnection->initialize(accessor, id);
		*connection = newConnection;
		*pConnectionId = id;
		mBufferPool.mConnectionIds.insert(id);
		++sSeqId;
		}
		}
		@@ -305,7 +306,12 @@ bool Accessor::Impl::BufferPool::handleTransferTo(const BufferStatusMessage &mes
		found->second->mSenderValidated = true;
		return true;
		}
		// TODO: verify there is target connection Id
		if (mConnectionIds.find(message.targetConnectionId) == mConnectionIds.end()) {
		// N.B: it could be fake or receive connection already closed.
		ALOGD("bufferpool %p receiver connection %lld is no longer valid",
		this, (long long)message.targetConnectionId);
		return false;
		}
		mStats.onBufferSent();
		mTransactions.insert(std::make_pair(
		message.transactionId,
		@@ -450,6 +456,7 @@ bool Accessor::Impl::BufferPool::handleClose(ConnectionId connectionId) {
		}
		}
		}
		mConnectionIds.erase(connectionId);
		return true;
		}

media/bufferpool/1.0/AccessorImpl.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -94,6 +94,7 @@ private:

		std::map<BufferId, std::unique_ptr<InternalBuffer>> mBuffers;
		std::set<BufferId> mFreeBuffers;
		std::set<ConnectionId> mConnectionIds;

		/// Buffer pool statistics which tracks allocation and transfer statistics.
		struct Stats {

media/bufferpool/2.0/AccessorImpl.cpp

+29 −3

Original line number	Diff line number	Diff line
		@@ -163,6 +163,7 @@ ResultStatus Accessor::Impl::connect(
		*connection = newConnection;
		*pConnectionId = id;
		*pMsgId = mBufferPool.mInvalidation.mInvalidationId;
		mBufferPool.mConnectionIds.insert(id);
		mBufferPool.mInvalidationChannel.getDesc(invDescPtr);
		mBufferPool.mInvalidation.onConnect(id, observer);
		++sSeqId;
		@@ -474,7 +475,12 @@ bool Accessor::Impl::BufferPool::handleTransferTo(const BufferStatusMessage &mes
		found->second->mSenderValidated = true;
		return true;
		}
		// TODO: verify there is target connection Id
		if (mConnectionIds.find(message.targetConnectionId) == mConnectionIds.end()) {
		// N.B: it could be fake or receive connection already closed.
		ALOGD("bufferpool2 %p receiver connection %lld is no longer valid",
		this, (long long)message.targetConnectionId);
		return false;
		}
		mStats.onBufferSent();
		mTransactions.insert(std::make_pair(
		message.transactionId,
		@@ -644,6 +650,7 @@ bool Accessor::Impl::BufferPool::handleClose(ConnectionId connectionId) {
		}
		}
		}
		mConnectionIds.erase(connectionId);
		return true;
		}

		@@ -774,11 +781,19 @@ void Accessor::Impl::invalidatorThread(
		std::mutex &mutex,
		std::condition_variable &cv,
		bool &ready) {
		constexpr uint32_t NUM_SPIN_TO_INCREASE_SLEEP = 1024;
		constexpr uint32_t NUM_SPIN_TO_LOG = 1024*8;
		constexpr useconds_t MAX_SLEEP_US = 10000;
		uint32_t numSpin = 0;
		useconds_t sleepUs = 1;

		while(true) {
		std::map<uint32_t, const std::weak_ptr<Accessor::Impl>> copied;
		{
		std::unique_lock<std::mutex> lock(mutex);
		if (!ready) {
		numSpin = 0;
		sleepUs = 1;
		cv.wait(lock);
		}
		copied.insert(accessors.begin(), accessors.end());
		@@ -800,9 +815,20 @@ void Accessor::Impl::invalidatorThread(
		if (accessors.size() == 0) {
		ready = false;
		} else {
		// prevent draining cpu.
		// TODO Use an efficient way to wait over FMQ.
		// N.B. Since there is not a efficient way to wait over FMQ,
		// polling over the FMQ is the current way to prevent draining
		// CPU.
		lock.unlock();
		std::this_thread::yield();
		++numSpin;
		if (numSpin % NUM_SPIN_TO_INCREASE_SLEEP == 0 &&
		sleepUs < MAX_SLEEP_US) {
		sleepUs *= 10;
		}
		if (numSpin % NUM_SPIN_TO_LOG == 0) {
		ALOGW("invalidator thread spinning");
		}
		::usleep(sleepUs);
		}
		}
		}

media/bufferpool/2.0/AccessorImpl.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -111,6 +111,7 @@ private:

		std::map<BufferId, std::unique_ptr<InternalBuffer>> mBuffers;
		std::set<BufferId> mFreeBuffers;
		std::set<ConnectionId> mConnectionIds;

		struct Invalidation {
		static std::atomic<std::uint32_t> sInvSeqId;