[FFmpeg-devel] [PATCH]avfilter: add Intel IPP library based x86 optimized video scaling filter

Zhislina, Victoria Victoria.Zhislina at intel.com
Tue May 25 15:58:43 EEST 2021


While you are right that IPP is not GPL based and is closed source currently (but free for any commercial usage) and therefore does require --enable-nonfree,
I'm sorry to mention that you are not right about "doing the same but faster". If you read my commit message you could see that it:
Introduces superscaling interpolation method for video downscale.
Adds antialiasing option to linear, cubic and lanczos interpolation.

Moreover, IPP has 100-s of functions that could be added to ffmeg processing in the future. 
One more thing to mention - when you say "one single platform" it is x86 that undoubtedly covers top part of video processing market. Such filter creation request comes from one of the top ISVs in this market. 

Victoria

-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Nicolas George
Sent: 24 мая 2021 г. 17:28
To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH]avfilter: add Intel IPP library based x86 optimized video scaling filter

Lynne (12021-05-24):
> I'd rather not support an external non-free library that does the same 
> as libavfilter only faster on one single platform but rather see 
> libavfilter's assembly and code improved.

I second that.

Regards,

--
  Nicolas George

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