[Libva] vaDeriveImage returns wrong image size, data size and strange fourcc NV11.

[ykzhao]

On Tue, 2013-04-16 at 12:26 -0600, kwisp wrote:
> I use standart libva example
> http://cgit.freedesktop.org/libva/tree/test/decode/mpeg2vldemo.c
> 
> 
> I try retrive image by calling vaDeriveImage after decoding and
> recieve stange VAImage.
> 
> image.width = 512 image.height = 32 image.data_size=16384
> image.numplanes=2
> 
> image.format.fourcc = NV11 image.offsets[0] = 0, image.offsets[1] =
> 16384, image.pitches[0] = image.pitches[1] = 512.
> 
> 
> If I convert this VAImage data to normaly FOURCC format I see correct
> picture.
> 

Will you please describe how you call the vaDeriveImage in your test?

BTW: Which platform is used?

> 
> ???
> 
> 1. How can i get correct image size, data_size after calling
> vaDeriveImage ?
> 
> 
> 
> Debian Squeeze
> libva info: VA-API version 0.33.0.
> Intel(R) Embedded Media and Graphics Driver 1.10 Build 2209
> 
> 
>  
> 
> -- 
> -----------------------------------------
> С Уважением, Клочков В.В.
> mailto: kwispost at gmail.com