[FFmpeg-devel] [PATCH] mpeg4videodec: silence "Invalid and inefficient vfw-avi packed B frames detected" warning

[wm4]

On Thu, 29 Aug 2013 20:09:33 +0200
Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:

> On Thu, Aug 29, 2013 at 08:07:08PM +0200, Nicolas George wrote:
> > Le duodi 12 fructidor, an CCXXI, Reimar Döffinger a écrit :
> > > I just tested with avidemux. It asks "Packed Bitstream detected. Do you
> > > want me to unpack it?". If you answer yes and just save the file you get
> > > a fixed one.
> > > Tested with
> > > http://samples.mplayerhq.hu/V-codecs/MPEG4/pegasus-1958-chiptune.avi
> > > I am quite certain virtualdub has the same feature, and in a similarly
> > > easy to use way.
> > 
> > Do you think it would be relevant to have a bitstream filter to do the job
> > inside ffmpeg? I do not propose to do it myself, but opening a trac ticket
> > to keep it on the TODO list would be a good idea.
> 
> That was suggested by Michael last time:
> http://ffmpeg.org/pipermail/ffmpeg-devel/2008-November/054385.html

Anyway I'm pretty sure no user wants to run a file through ffmpeg
before playing it, just to get rid of the warning.