[Cin] Fwd: Re: [Libav-user] NV12->RGB24 vs YUV420P->RGB24

Phyllis Smith phylsmith2017 at gmail.com
Thu May 21 16:12:21 CEST 2020

BUT I should have mentioned that there is a problem if the
Settings->Preferences, Playback A, Video Driver is set to X11-OpenGL.
There appears to be some thrashing.  I have logged this in BT #434 and am
hoping a Graphics guru can give us a hint of how to avoid this.  Using X11
driver works at really good hardware speed.  GG was looking at MPV to try
to avoid this because according to the Forum topic "Multiple GPUs..." it
works just fine there, as well as on the ffmpeg command line.  I searched
on the internet and found no clues.   We are hoping there is some GL
command to avoid the problem but we are not even close to GL experts.

On Thu, May 21, 2020 at 7:25 AM Andrew Randrianasulu <
randrianasulu at gmail.com> wrote:

> В сообщении от Thursday 21 May 2020 16:18:49 Phyllis Smith написал(а):
> > Andrew:
> >
> > > Is there anything relevant for Cin's internal working (in case when hw
> > > decoder is used)?
> > >
> >
> > Quoting GG this morning:
> > "Not especially.  It appears as a normal codec.
> > But the data path is through the hardware."
> >
> Ah, ok (I thought may be libavcodec was picking slow path in this case)
> Have good morning/day!
> --
> Cin mailing list
> Cin at lists.cinelerra-gg.org
> https://lists.cinelerra-gg.org/mailman/listinfo/cin
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