Revert "Add a callback thread to ConsumerBase"

This reverts commit 22b5702b40eca423171124e69c3d4ad03a3e6900.

Bug 27557176

Change-Id: Icc0e79af82329e6414ed44a99e90631cfcf140fa

1 files changed, 12 insertions, 43 deletions

diff --git a/include/gui/ConsumerBase.h b/include/gui/ConsumerBase.h
index 1b63552fc..9307a26fb 100644
--- a/include/gui/ConsumerBase.h
+++ b/include/gui/ConsumerBase.h
@@ -26,8 +26,6 @@
 #include <utils/threads.h>
 #include <gui/IConsumerListener.h>
 
-#include <queue>
-
 namespace android {
 // ----------------------------------------------------------------------------
 
@@ -110,18 +108,18 @@ protected:
     // from the derived class.
     virtual void onLastStrongRef(const void* id);
 
-    // Handlers for the IConsumerListener interface, these will be called from
-    // the message queue thread. These calls are used to notify the ConsumerBase
-    // of asynchronous events in the BufferQueue.  The onFrameAvailableHandler,
-    // onFrameReplacedHandler, and onBuffersReleasedHandler methods should not
-    // need to be overridden by derived classes, but if they are overridden the
-    // ConsumerBase implementation must be called from the derived class. The
-    // ConsumerBase version of onSidebandStreamChangedHandler does nothing and
-    // can be overriden by derived classes if they want the notification.
-    virtual void onFrameAvailableHandler(const BufferItem& item);
-    virtual void onFrameReplacedHandler(const BufferItem& item);
-    virtual void onBuffersReleasedHandler();
-    virtual void onSidebandStreamChangedHandler();
+    // Implementation of the IConsumerListener interface.  These
+    // calls are used to notify the ConsumerBase of asynchronous events in the
+    // BufferQueue.  The onFrameAvailable, onFrameReplaced, and
+    // onBuffersReleased methods should not need to be overridden by derived
+    // classes, but if they are overridden the ConsumerBase implementation must
+    // be called from the derived class. The ConsumerBase version of
+    // onSidebandStreamChanged does nothing and can be overriden by derived
+    // classes if they want the notification.
+    virtual void onFrameAvailable(const BufferItem& item) override;
+    virtual void onFrameReplaced(const BufferItem& item) override;
+    virtual void onBuffersReleased() override;
+    virtual void onSidebandStreamChanged() override;
 
     // freeBufferLocked frees up the given buffer slot.  If the slot has been
     // initialized this will release the reference to the GraphicBuffer in that
@@ -246,35 +244,6 @@ protected:
     //
     // This mutex is intended to be locked by derived classes.
     mutable Mutex mMutex;
-
-    // Implements the ConsumerListener interface
-    virtual void onFrameAvailable(const BufferItem& item) override;
-    virtual void onFrameReplaced(const BufferItem& item) override;
-    virtual void onBuffersReleased() override;
-    virtual void onSidebandStreamChanged() override;
-
-    enum MessageType {
-        ON_FRAME_AVAILABLE,
-        ON_FRAME_REPLACED,
-        ON_BUFFERS_RELEASED,
-        ON_SIDEBAND_STREAM_CHANGED,
-        EXIT,
-    };
-
-    mutable Mutex mMessageQueueLock;
-    Condition mMessageAvailable;
-    std::queue<std::pair<MessageType, BufferItem>> mMessageQueue;
-
-    class MessageThread : public Thread {
-    public:
-        MessageThread(ConsumerBase* consumerBase) :
-            mConsumerBase(consumerBase) {};
-    protected:
-        virtual bool threadLoop() override;
-        ConsumerBase* mConsumerBase;
-    };
-
-    sp<MessageThread> mMessageThread;
 };
 
 // ----------------------------------------------------------------------------