[FFmpeg-devel] [PATCH 24/24] lavfi/vf_scale: implement slice threading

[Hendrik Leppkes]

On Mon, Jul 12, 2021 at 12:35 PM Anton Khirnov <anton at khirnov.net> wrote:
>
> Quoting Michael Niedermayer (2021-07-03 18:27:36)
> > On Sat, Jul 03, 2021 at 03:27:36PM +0200, Anton Khirnov wrote:
> > > Quoting Michael Niedermayer (2021-06-01 11:35:13)
> > > > On Mon, May 31, 2021 at 09:55:15AM +0200, Anton Khirnov wrote:
> > > > > ---
> > > > >  libavfilter/vf_scale.c | 182 +++++++++++++++++++++++++++++++----------
> > > > >  1 file changed, 141 insertions(+), 41 deletions(-)
> > > >
> > > > breaks: (lower 50% is bright green)
> > > > ./ffplay -i mm-short.mpg -an   -vf "tinterlace,scale=720:576:interl=1"
> > >
> > > Fixed locally, but I'm wondering why is interlaced scaling not done by
> > > default for interlaced videos.
> >
> > IIRC the flags where quite unreliable. If we have reliable knowledge about
> > interlacing it certainly should be used automatically
>
> You mean there is a significant amount of progressive content that is
> flagged as interlaced?
>

In my experience its not that bad. But I deal with every day content,
not fringe stuff.

- Hendrik