[FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

[Carl Eugen Hoyos]

Am So., 7. Juni 2020 um 19:16 Uhr schrieb Kieran O Leary
<kieran.o.leary at gmail.com>:

> On Sun 7 Jun 2020, 17:56 pdr0, <pdr0 at shaw.ca> wrote:
>
> > Kieran O Leary wrote
> > > Any idea what's happening? Will I get the libx264-style answer: 'this is
> > > googles issue,
> >
> > I can replicate the ffmpeg issue (and with other sources), but I don't know
> > what the problem is
> >
> > It's not a "google"  issue, because AOM aomenc.exe works, and produces
> > lossless output correctly
> >
>
> This is great to know! I wonder if the number 8 is significant here?

Could it be the number of cores in your system / is the issue reproducible
with -threads 1 ?

Carl Eugen