[FFmpeg-user] Is libplacebo only for GPUs?

[Mark Filipak]

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"?

> does not work that fast in this mode.

"_this_ mode"? What mode?