[FFmpeg-devel] [PATCH] libsvtav1: Add logical_processors option

Paul B Mahol onemda at gmail.com
Fri Feb 12 00:26:49 EET 2021


On Thu, Feb 11, 2021 at 11:15 PM Mark Thompson <sw at jkqxz.net> wrote:

> On 10/02/2021 23:53, Paul B Mahol wrote:
> > On Wed, Feb 10, 2021 at 11:08 PM Mark Thompson <sw at jkqxz.net> wrote:
> >
> >> On 10/02/2021 17:16, Christopher Degawa wrote:
> >>> From: Christopher Degawa <christopher.degawa at intel.com>
> >>>
> >>> Equivalent to the --lp option for SvtAv1EncApp, and is the only way
> >>> to control how much cpu power svt-av1 uses for now
> >>>
> >>> Not using thread_count as it would be preferable to reserve that until
> >>> svt-av1 properly implements a threads option
> >>
> >> Then what does it actually do?  The description below about the number
> of
> >> logical threads to run sounds pretty much exactly like what the threads
> >> option does.
> >>
> >>
> > Threads option is limited to filters that do filtering by calling
> > execute(), internal threading code of libavfilter.
>
> This would be from AVCodecContext.thread_count, not anything in
> libavfilter.
>
>
Yes, but it is same .execute thing. But I agree with rest of your views.


> - Mark
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