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

Anton Khirnov anton at khirnov.net
Mon Jul 12 13:34:55 EEST 2021


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?

-- 
Anton Khirnov


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