Am Fr., 25. Sept. 2020 um 17:08 Uhr schrieb Emmanuel Dreyfus <[email protected]>:

> I have rebuilt ffmpeg with ./configure --enable-libvpx --enable-libwebp 
> --enable-libvorbis --mandir=/usr/pkg/man --prefix=/usr/pkg --progs-suffix=4 
> --datadir=/usr/pkg/share/ffmpeg4 --docdir=/usr/pkg/share/doc/ffmpeg4 
> --incdir=/usr/pkg/include/ffmpeg4 --libdir=/usr/pkg/lib/ffmpeg4 
> --shlibdir=/usr/pkg/lib/ffmpeg4 --arch=native

If arch has an effect, it could break compilation, better remove it.

> And libvpx with ./configure --enable-pic --prefix=/usr/pkg --cpu=native
>
> It is now twice faster.

(This is typically considered a spectacular improvement.)

> This is nice, but can it do better? Is GPU
> support likely to help?

https://en.wikipedia.org/wiki/Intel_Quick_Sync_Video

I am still a little curious why you want to encode vp8...

Carl Eugen
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