[FFmpeg-devel] [PATCH] lavfi: tweak aspect-ratio computation in pad and scale filters
Stefano Sabatini
stefano.sabatini-lala at poste.it
Sat Jul 30 19:03:51 CEST 2011
On date Thursday 2011-07-28 10:39:28 +0200, Stefano Sabatini encoded:
> On date Wednesday 2011-07-27 11:12:23 +0200, Stefano Sabatini encoded:
> > Previously, "dar" and "a" were documented like "input sample aspect
> > ratio", but their actual value was "in_w/in_h", which is not the very
> > same thing.
> >
> > In order to avoid to break scripts which rely on the "a" variable, the
> > patch keeps the same semantics but fixes the corresponding docs, while
> > fixes the semantics of the recently added "dar" variable, which
> > correctly express the Display Aspect Ratio value as (inw_w/in_h)*sar.
> > ---
> > doc/filters.texi | 14 ++++++++++----
> > libavfilter/vf_pad.c | 9 ++++++---
> > libavfilter/vf_scale.c | 9 ++++++---
> > 3 files changed, 22 insertions(+), 10 deletions(-)
> >
>
> I'll apply this soon if I see no comments.
Pushed.
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