Peter Rabbitson <rabbit+list <at> rabbit.us> writes:

> >>> I've used Logitech C920 and noticed that the camera
> >>> drops it's frame rate without signaling it.
> >
> > Then "-r" is definitely wrong: It assumes a constant
> > from rate.
> >
> 
> Does ffmpeg even have a provision for "variable frame 
> rate" input? I.e. "blindly trust the PTS values"?

I may misunderstand but this is not only the default 
behaviour but the only "normal" behaviour: As said 
the input option "-r" is a hack that does not always 
work iirc.
(It cannot work for variable frame rate input so using 
it for vfr camera input has to be wrong.)

Carl Eugen

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