[FFmpeg-devel] [RFC]Slightly extend the -r input option documentation

Lou Logan lou at lrcd.com
Wed Aug 20 00:18:14 CEST 2014


On Thu, 19 Jun 2014 10:06:48 -0800, Lou Logan wrote:

> On Wed, 18 Jun 2014 14:16:52 +0200, Carl Eugen Hoyos wrote:
> 
> > diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
> > index 68fd12f..6f3c2c3 100644
> > --- a/doc/ffmpeg.texi
> > +++ b/doc/ffmpeg.texi
> > @@ -473,6 +473,9 @@ Set frame rate (Hz value, fraction or abbreviation).
> >  
> >  As an input option, ignore any timestamps stored in the file and instead
> >  generate timestamps assuming constant frame rate @var{fps}.
> > +This is not the same as the @option{-framerate} option used for some input formats
> > +like image2 or v4l2 (it used to be the same in older versions of FFmpeg).
> > +If in doubt use @option{-framerate} instead of the input option @option{-r}.
> 
> Should x11grab be added to the input format list? According to:
> 
> https://trac.ffmpeg.org/ticket/3045#comment:7
> 
> -r and -framerate differ there too.

I have no other comments about this patch. It's fine with me if you
push it.


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