[FFmpeg-user] How does ffmpeg decides how many threads to use for vmaf

[Srikanth Kotagiri]

On Mon, Oct 21, 2024 at 11:39 PM tarun singhal <tsinghal18 at gmail.com> wrote:

> I have specified thread count as 32
>
> For 20 min video duration - I was able to get 1x speed
>
> But for 2.2hr video duration it took 12 hrs, hence lesser speed using same
> ffmpeg command and same underlying infrastructure
>
>
> Hence I am curious, What are the factors which helps ffmpeg decide how many
> threads to use for a particular vmaf processing
>
>
> Thanks
>
> Tarun
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Can you share the command line you used and the full logs?