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

Nicolas George george at nsup.org
Tue May 25 16:10:30 EEST 2021


Zhislina, Victoria (12021-05-25):
> 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. 

So, are you working on getting this library GPL-compatible? Notify us
once it's done.

But there is no way we will accept code for a non-libre library coming
from the company that made the library in the first place. That would be
allowing freeloaders.

Regards,

-- 
  Nicolas George
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