[x264-devel] Re: non monotone timestamps...

Michael Niedermayer michaelni at gmx.at
Wed Aug 30 23:55:54 CEST 2006


Hi

On Wed, Aug 30, 2006 at 08:36:16PM +0200, bond wrote:
> > bond wrote:
> > >>> [...]
> > >>>
> > >> 'ctts' atom is actually created correctly. If a problem resides, it is
> > >> most likely cause pts and/or dts of the packets are incorrect.
> > >>
> > >> Problem with B pyramid is just that lavf will not let packets pass
> since
> > >> they have non monotone timestamps as mentioned in the first post of the
> > >> thread.
> > >
> > > the ctts atom is NOT created correctly with b-pyramid in ffmpeg!
> > >
> > > i have just tested it again with revision 6129. i compared the ctts to
> what
> > > mp4box and mp4creator create for the stream and let mp4box analyse the
> ctts
> > > atom resulting into the logfile attached showing the errors
> > >
> > > my commandline used:
> > > ffmpeg -s 352x144 -i "c:\...\matrix.yuv" -y -vcodec h264 -bf 3 -bpyramid
> 1
> > > ffmpeg.mp4
> > >
> >
> > Can't you see "error, non monotone timestamps 2002 >= 1001"....
> 
> yes, i see such errors

this and the bpyramid in mov issue should be fixed in latest ffmpeg svn

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is

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