[FFmpeg-user] Recorded Frame Timestamps are Inconsistent! How to Fix it?

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Mar 22 00:36:55 EET 2021


Am So., 21. März 2021 um 23:31 Uhr schrieb Mark Filipak (ffmpeg)
<markfilipak at bog.us>:
>
> On 2021-03-21 17:50, Carl Eugen Hoyos wrote:
> > Am So., 21. März 2021 um 22:13 Uhr schrieb Mark Filipak (ffmpeg)
> > <markfilipak at bog.us>:
> >
> >> I think '-framerate 60' may not be needed at all.
> >
> > It is only needed if 60fps recording is wanted.

> > As said before, setpts should generally be avoided and
> > this is even more true for settb.
>
> Serious questions:
>
> 'setpts=N/FR/TB' seems to be reliable, and is the only way
> I've gotten some of my frame gymnastics to work.

Serious question:
What does this tell you?

> What is wrong/dangerous about 'setpts"?

I can only work for input that is strictly cfr, this is typically
not true for screen recordings.

Carl Eugen


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