[FFmpeg-devel] [PATCH] Fix VC1 "Incomplete extradata" for mkv files generated by eac3to

Kostya kostya.shishkov
Mon Oct 5 18:07:01 CEST 2009


On Mon, Oct 05, 2009 at 11:45:03AM -0400, Ronald S. Bultje wrote:
> Hi,
> 
> On Mon, Oct 5, 2009 at 7:03 AM, Andrew Dennison <andrewd.lists at gmail.com> wrote:
> > Some mkv files with VC-1 fail to play in mplayer reporting "Incomplete
> > extradata". Some investigation indicated the extradata was one byte
> > longer in the mkv file compared to the original HD-DVD .evo. It
> > appears that the extradata had a leading byte, equivalent to the size
> > byte of WVC1 however it was 0 and thus not skipped by the current
> > code.
> 
> There is a (different) patch for the same issue at:
> http://roundup.ffmpeg.org/roundup/ffmpeg/issue1443

This one is better but they both rely on the same sample - missing one.
 
> Ronald



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