[Libva] rescale frame. HD4600 Haswell.

[Nikita Orlov]

Hi!

Could you point me to some exmaples of scaling before encoding?
Can`t find any docs about it around web :-(

Thanks in advance!

26.11.2014, 16:52, "Steven Toth" <stoth at kernellabs.com>:
> \> But, what do you mean about pre and post processing?
>>  Pre and post what operation? Pre video encoding and past video encoding?
>>
>>  If we are talking about encoding, I can`t imagine any post processing, because result
>>  of encoding is bitstream.
>>
>>  Could you explain it for me a bit more. Please.
>
> The hardware has a Video Processing Pipeline, that can apply various
> effects and transforms prior to encoding. Once of those mechanisms (as
> Nikita pointed out) is a video scaler.
>
> So, yes, you can scale the video prior to encoding. I've used it for
> scaling down, although I don't think I've ever tried to scale up.
>
> --
> Steven Toth - Kernel Labs
> http://www.kernellabs.com

-- 
Nikita Orlov
Skype: nik_stet
QQ: 2717846083