[FFmpeg-devel] [RFC PATCH] avfilter/fastdeint: import simple cpu-optimized deinterlacing algorithms from VLC

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Sep 10 01:39:31 EEST 2019


Am Di., 10. Sept. 2019 um 00:00 Uhr schrieb Aman Gupta <ffmpeg at tmm1.net>:
>
> On Mon, Sep 9, 2019 at 2:47 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>
> > Am Mo., 9. Sept. 2019 um 22:19 Uhr schrieb Aman Gupta <ffmpeg at tmm1.net>:
> > >
> > > From: Aman Gupta <aman at tmm1.net>
> > >
> > > These are simple algorithms which can be run efficiently
> > > on low powered devices to produce deinteraced images.
> >
> > Please provide some numbers about the performance
> > (and subjective visual quality) of the new C code in
> > comparison to existing deinterlacers in FFmpeg.
> >
>
> Comparison of visual quality can be seen on VLC's website:
> https://wiki.videolan.org/Deinterlacing
>
> Regarding performance- none of the filters currently available in ffmpeg
> are fast enough to deinterlace video in real time on ARM chips used by
> popular Android or iOS devices.

That was not my question and I believe the commit message
absolutely needs some hints about the performance and the
quality.

Carl Eugen


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