reduce IPCs in BufferQueue

    // (zero point, etc) are client-dependent and should be documented by the

    // client.

    virtual status_t queueBuffer(int buf, int64_t timestamp,

            const Rect& crop, int scalingMode, uint32_t transform,

            uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform);

    virtual void cancelBuffer(int buf);

    // Make sure this is called when the mutex is locked

    virtual status_t onFrameReceivedLocked();

    virtual status_t setScalingMode(int mode) { return OK; } // no op for encoding

    virtual int query(int what, int* value);

    // Just confirming to the ISurfaceTexture interface as of now

    virtual status_t setCrop(const Rect& reg) { return OK; }

    virtual status_t setTransform(uint32_t transform) {return OK;}

    // setSynchronousMode set whether dequeueBuffer is synchronous or

    // asynchronous. In synchronous mode, dequeueBuffer blocks until

    // a buffer is available, the currently bound buffer can be dequeued and

}

status_t SurfaceMediaSource::queueBuffer(int bufIndex, int64_t timestamp,

        const Rect& crop, int scalingMode, uint32_t transform,

        uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {

    ALOGV("queueBuffer");