[Libva] rescale frame. HD4600 Haswell.

[Xiang, Haihao]

Hi Nikita,

VAAPI provides VAProfileNone/VAEntrypointVideoProc for pre/post
processing. You can use it for scaling if the input and output surfaces
in the video pipeline have different dimensions.
 
Thanks
Haihao


> Hello!
> 
> Is it possible yo use some kind of hardware frame down (up) scaling before h.264 encoding?
> I use HD4600 Haswell.
> 
> -- 
> Nikita Orlov
> Skype: nik_stet
> QQ: 2717846083
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