Revert "Add a callback thread to ConsumerBase"

This reverts commit 22b5702b40eca423171124e69c3d4ad03a3e6900.

Bug 27557176

Change-Id: Icc0e79af82329e6414ed44a99e90631cfcf140fa

1 files changed, 1 insertions, 77 deletions

diff --git a/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index 8e26ac842c..2187e5e8eb 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -74,26 +74,12 @@ ConsumerBase::ConsumerBase(const sp<IGraphicBufferConsumer>& bufferQueue, bool c
     } else {
         mConsumer->setConsumerName(mName);
     }
-
-    mMessageThread = new MessageThread(this);
-    mMessageThread->run(mName);
 }
 
 ConsumerBase::~ConsumerBase() {
     CB_LOGV("~ConsumerBase");
-
-    mMessageThread->requestExit();
-    {
-        Mutex::Autolock lock(mMessageQueueLock);
-        mMessageQueue.emplace(std::piecewise_construct,
-                std::forward_as_tuple(EXIT),
-                std::forward_as_tuple());
-        mMessageAvailable.signal();
-    }
-
-    mMessageThread->join();
-
     Mutex::Autolock lock(mMutex);
+
     // Verify that abandon() has been called before we get here.  This should
     // be done by ConsumerBase::onLastStrongRef(), but it's possible for a
     // derived class to override that method and not call
@@ -114,13 +100,6 @@ void ConsumerBase::freeBufferLocked(int slotIndex) {
 }
 
 void ConsumerBase::onFrameAvailable(const BufferItem& item) {
-    Mutex::Autolock lock(mMessageQueueLock);
-    mMessageQueue.emplace(std::piecewise_construct,
-            std::forward_as_tuple(ON_FRAME_AVAILABLE),
-            std::forward_as_tuple(item));
-    mMessageAvailable.signal();
-}
-void ConsumerBase::onFrameAvailableHandler(const BufferItem& item) {
     CB_LOGV("onFrameAvailable");
 
     sp<FrameAvailableListener> listener;
@@ -136,14 +115,6 @@ void ConsumerBase::onFrameAvailableHandler(const BufferItem& item) {
 }
 
 void ConsumerBase::onFrameReplaced(const BufferItem &item) {
-    Mutex::Autolock lock(mMessageQueueLock);
-    mMessageQueue.emplace(std::piecewise_construct,
-            std::forward_as_tuple(ON_FRAME_REPLACED),
-            std::forward_as_tuple(item));
-    mMessageAvailable.signal();
-}
-
-void ConsumerBase::onFrameReplacedHandler(const BufferItem &item) {
     CB_LOGV("onFrameReplaced");
 
     sp<FrameAvailableListener> listener;
@@ -159,14 +130,6 @@ void ConsumerBase::onFrameReplacedHandler(const BufferItem &item) {
 }
 
 void ConsumerBase::onBuffersReleased() {
-    Mutex::Autolock lock(mMessageQueueLock);
-    mMessageQueue.emplace(std::piecewise_construct,
-            std::forward_as_tuple(ON_BUFFERS_RELEASED),
-            std::forward_as_tuple());
-    mMessageAvailable.signal();
-}
-
-void ConsumerBase::onBuffersReleasedHandler() {
     Mutex::Autolock lock(mMutex);
 
     CB_LOGV("onBuffersReleased");
@@ -186,45 +149,6 @@ void ConsumerBase::onBuffersReleasedHandler() {
 }
 
 void ConsumerBase::onSidebandStreamChanged() {
-    Mutex::Autolock lock(mMessageQueueLock);
-    mMessageQueue.emplace(std::piecewise_construct,
-            std::forward_as_tuple(ON_SIDEBAND_STREAM_CHANGED),
-            std::forward_as_tuple());
-    mMessageAvailable.signal();
-}
-
-void ConsumerBase::onSidebandStreamChangedHandler() {
-}
-
-bool ConsumerBase::MessageThread::threadLoop() {
-    Mutex::Autolock lock(mConsumerBase->mMessageQueueLock);
-
-    if (mConsumerBase->mMessageQueue.empty()) {
-        mConsumerBase->mMessageAvailable.wait(mConsumerBase->mMessageQueueLock);
-    }
-
-    while (!mConsumerBase->mMessageQueue.empty()) {
-        auto nextMessage = mConsumerBase->mMessageQueue.front();
-
-        switch (nextMessage.first) {
-            case ON_FRAME_AVAILABLE:
-                mConsumerBase->onFrameAvailableHandler(nextMessage.second);
-                break;
-            case ON_FRAME_REPLACED:
-                mConsumerBase->onFrameReplacedHandler(nextMessage.second);
-                break;
-            case ON_BUFFERS_RELEASED:
-                mConsumerBase->onBuffersReleasedHandler();
-                break;
-            case ON_SIDEBAND_STREAM_CHANGED:
-                mConsumerBase->onSidebandStreamChangedHandler();
-                break;
-            case EXIT:
-                break;
-        }
-        mConsumerBase->mMessageQueue.pop();
-    }
-    return true;
 }
 
 void ConsumerBase::abandon() {