[Libva] [PATCH][G45][2/4] Simplify vaGetImage()

[Xiang, Haihao]

On Tue, 2010-07-13 at 07:20 +0800, Gwenole Beauchesne wrote:
> Hi,
> 
> This patch factors out code for get_image_{yv12,nv12}(). A new  
> memcpy_pic() function is introduced and the net result is fewer source  
> code lines.

1. This patch uses rect->y to calculate address for U/V, however the
original function uses rect->y/2, which one is right?

2. Why is (rect->x & -2) needed for UV data?

Thanks
Haihao