[Libva] VBR control for .h246 enconding

[Xiang, Haihao]

> Hello
> 
>  
> 
> I have a few questions regarding the capabilities of libVA for
> encoding .h264 files:
> 
>  
> 
> This is the code:
> http://cgit.freedesktop.org/vaapi/libva/tree/test/encode
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> 
> Can the avcenc.c be used with variable bit rate control? 

No.

> Or modified to use it?

Yes. 

You can also refer to h264encode which might works with PVR driver.

>  
> 
> Is there  any plan to fix the VBR control to the h264encode.c? or it
> would be possible that someone from Intel commits to fix it?

We will add support for VBR in the driver first.
> 
>  
> 
> If there are no plans to fix VBR and it is not possible that someone
> from Intel commits to this:
> 
>  
> 
> Are you aware of some other party from the open source community that
> could be working on doing VBR control for h264 encoding with libVA?
> 
>  
> 
> Could you provide any suggestion about how to perform VBR control for
> h264 encoding using libVA or point to some other site/forum were I
> could find help regarding this issue?


>  
> 
> Best Regards,
> 
> Adolfo Sanchez
> 
>  
> 
>  
> 
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> 
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