[FFmpeg-user] Is libplacebo only for GPUs?

[Andrew Randrianasulu]

пт, 16 мая 2025 г., 00:14 Mark Filipak <markfilipak.imdb at gmail.com>:

> On 15/05/2025 16.40, Andrew Randrianasulu wrote:
> > чт, 15 мая 2025 г., 23:33 Mark Filipak <markfilipak.imdb at gmail.com>:
> >
> >> If my pixel format is gbrpf32le, should I be using libplacebo?
> >>
> >> Libplacebo says, "Flexible GPU-accelerated"...
> >>
> >> What if I don't have a GPU?
> >>
> >
> > https://ffmpeg.org/ffmpeg-filters.html#toc-Examples-89
> >
> > it says
> >
> > ====
> > Run this filter on the CPU, on systems with Mesa installed (and with the
> > most expensive options disabled):
> >
> > ffmpeg ... -init_hw_device vulkan:llvmpipe ... -vf
> > libplacebo=upscaler=none:downscaler=none:peak_detect=false
> >
> > ====
>
> After "ffmpeg", I have not a single clue what any of that means. Sorry.
>
> > but to be honest it
>
> "_it_"? meaning "libplacebo"?
>

yes.



> > does not work that fast in this mode.
>
> "_this_ mode"? What mode?
>


software, cpu only mode. Might not help you on Windows, where building
lavapipe is quite long procedure:

https://gist.github.com/danginsburg/a39412c5591f0559dd5bc12f8aec9da2




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