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

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Mar 22 01:01:30 EET 2021


Am So., 21. März 2021 um 23:55 Uhr schrieb Mark Filipak (ffmpeg)
<markfilipak at bog.us>:
>
> On 2021-03-21 18:36, Carl Eugen Hoyos wrote:
> > 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?
>
> You are "answering" a question with a question.

This is clearly a "lie" to quote another contributor ;-)

> I don't know what your "answer" means.

It was a (too?) subtle way to indicate that what you try to
do makes no sense.

> >> What is wrong/dangerous about 'setpts"?
> >
> > I can only work for input that is strictly cfr,...
>
> Of course, that's true.
>
> >...this is typically not true for screen recordings.

> What are "screen recordings"?

The topic of this mailing list thread.

Carl Eugen


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