Merge "Refactored DummyConsumer"

// The DummyConsumer does not keep a reference to BufferQueue

// unlike SurfaceTexture.  This prevents a circular reference from

// forming.  The BufferQueue indirectly keeps a DummyConsumer alive

// through the proxy ConsumerListener.

class DummyConsumer : public virtual RefBase,

        protected BufferQueue::ConsumerListener {

// forming without having to use a ProxyConsumerListener

class DummyConsumer : public BufferQueue::ConsumerListener {

public:

    DummyConsumer(sp<BufferQueue> bufferQueue);

    DummyConsumer();

    virtual ~DummyConsumer();

protected:

    // Implementation of the BufferQueue::ConsumerListener interface.  These

namespace android {

DummyConsumer::DummyConsumer(sp<BufferQueue> bufferQueue) {

    wp<BufferQueue::ConsumerListener> listener;

    sp<BufferQueue::ConsumerListener> proxy;

    listener = static_cast<BufferQueue::ConsumerListener*>(this);

    proxy = new BufferQueue::ProxyConsumerListener(listener);

    status_t err = bufferQueue->consumerConnect(proxy);

    if (err != NO_ERROR) {

        ALOGE("DummyConsumer: error connecting to BufferQueue: %s (%d)",

                strerror(-err), err);

    }

DummyConsumer::DummyConsumer() {

    ALOGV("DummyConsumer");

}

DummyConsumer::~DummyConsumer() {