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Commit 7de35047 authored by Ramkumar Radhakrishnan's avatar Ramkumar Radhakrishnan Committed by dhacker29
Browse files

Add support for custom buffer sizes. 

Add native window properties NATIVE_WINDOW_SET_BUFFERS_SIZE to the
perform function of Surface to set the user defined size
of graphic buffers. This is needed for adding support for
the playback of interlaced content.

Change-Id: I8354c29d2ffcc03178fae86dfa449cbefd24ae55
parent b5417126

include/gui/BufferQueue.h

+0 −1
Original line number Diff line number Diff line
@@ -77,7 +77,6 @@ public: 
    static void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,

            sp<IGraphicBufferConsumer>* outConsumer,

            const sp<IGraphicBufferAlloc>& allocator = NULL);



private:

    BufferQueue(); // Create through createBufferQueue

};

include/gui/BufferQueueProducer.h

+8 −0
Original line number Diff line number Diff line
@@ -169,6 +169,14 @@ public: 
    // handle if any.

    virtual status_t setSidebandStream(const sp<NativeHandle>& stream);



    // setBufferSize enables us to specify user defined sizes for the buffers

    // that need to be allocated by surfaceflinger for its client. This is

    // useful for cases where the client doesn't want the gralloc to calculate

    // buffer size. client should reset this value to 0, if it wants gralloc

    // to calculate the size for the buffer. this will take effect from next

    // dequeue buffer.

    virtual status_t setBuffersSize(int size);



    // See IGraphicBufferProducer::allocateBuffers

    virtual void allocateBuffers(bool async, uint32_t width, uint32_t height,

            uint32_t format, uint32_t usage);

include/gui/GraphicBufferAlloc.h

+3 −0
Original line number Diff line number Diff line
@@ -35,6 +35,9 @@ public: 
    virtual ~GraphicBufferAlloc();

    virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,

        PixelFormat format, uint32_t usage, status_t* error);

    virtual void setGraphicBufferSize(int size);

private:

    int mBufferSize;

};

include/gui/IGraphicBufferAlloc.h

+1 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ public: 
     */

    virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,

            PixelFormat format, uint32_t usage, status_t* error) = 0;

    virtual void setGraphicBufferSize(int size) = 0;

};



// ----------------------------------------------------------------------------

include/gui/IGraphicBufferProducer.h

+9 −0
Original line number Diff line number Diff line
@@ -481,6 +481,15 @@ public: 
    // allocated, this function has no effect.

    virtual void allocateBuffers(bool async, uint32_t width, uint32_t height,

            uint32_t format, uint32_t usage) = 0;



    // setBufferSize enables to specify the user defined size of the buffer

    // that needs to be allocated by surfaceflinger for its client. This is

    // useful for cases where the client doesn't want the gralloc to calculate

    // buffer size. client should reset this value to 0, if it wants gralloc to

    // calculate the size for the buffer. this will take effect from next

    // dequeue buffer.

    virtual status_t setBuffersSize(int size) = 0;



};



// ----------------------------------------------------------------------------