[FFmpeg-user] GPU/CPU encoding

[Dennis Mungai]

On Mon, Apr 29, 2019, 11:16 andrei ka <andrei.k.gml at gmail.com> wrote:

> hmm, i think one could extract frames with ffmpeg and pipe 'em into some
> gpu encoging software. or one can invent some sort of chain processing,
> like encoding video in gpu at 1 fps and then pipe into ffmpeg to split
> video into frames in cpu ?
>
> On Thu, Apr 25, 2019 at 3:38 PM Moritz Barsnick <barsnick at gmx.net> wrote:
>
> > [Fixed the e-mail subject for you.]
> >
> > On Thu, Apr 25, 2019 at 15:29:17 +0300, lastkill at tut.by wrote:
> > > hi! i need to know if ffmpeg.exe uses Gpu or cpu when we use it to
> > convert video to number of images?
> >
> > ffmpeg can use either CPU or GPU for decoding video.
> > ffmpeg can use either CPU or GPU for filtering video.
> > ffmpeg will only use CPU for encoding the resulting images (for most
> > image formats).
> >
> > It all depends on your hardware of course, whether your ffmpeg is built
> > with the support for it, and also on the codec used (and the filters
> > applied).
> >
> > Please also see
> > https://trac.ffmpeg.org/wiki/HWAccelIntro
> >
> > Cheers,
> > Moritz
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