[FFmpeg-devel] libavfilter: vid.stab filters patch for 0.98 version

Georg Martius georg.martius at web.de
Thu Jan 9 22:34:35 CET 2014


On Saturday 04 January 2014 16:03:10 Stefano Sabatini wrote:
> On date Saturday 2014-01-04 15:46:29 +0100, Georg Martius encoded:
> > Hi all,
> > 
> > please find attached the patch for vf_vidstab* in libavfilter to work with
> > the newest version of the vid.stab library.
> > 
> > Regards,
> > 
> >   Georg
> > 
> > From af046f1ea7731e264e2815e8ed026f1b33dea374 Mon Sep 17 00:00:00 2001
> > From: Georg Martius <martius at mis.mpg.de>
> > Date: Tue, 8 Oct 2013 23:57:17 +0200
> > Subject: [PATCH] vidstab filters: changes for vid.stab 0.98
> > 
> >  default value for accuracy is 15 (max)
> >  zoomspeed for dynamic zoom (optzoom=2)
> >  camera path optimization algorithm configurable
> >  optzoom documenation in code updated
> >  use new localmotions calculation function
> >  commandline arguments: ranges and documentation improved
> >  debug mode option in vf_vidstabtransform
> > 
> > Signed-off-by: Georg Martius <martius at mis.mpg.de>
> > ---
> > 
> >  doc/filters.texi                  | 28 ++++++++++++++++++++++++++--
> >  libavfilter/vf_vidstabdetect.c    |  3 ++-
> >  libavfilter/vf_vidstabtransform.c | 34 ++++++++++++++++++++++++++++------
> >  3 files changed, 56 insertions(+), 9 deletions(-)
> 
> Can you add a version check in configure? Or users will report build
> failures if they have an old version of the library.

Sorry for the late reply. Yes I did this now, see attached patch. I 
implemented a generic way for pkg libs to test for the version. Unfortunatelly 
I had to use "bc" to compare the version numbers. I am not sure this is 
acceptable or if there are better ways of doing it.

Regards,
  Georg 
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