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

[Andrew Dennison]

On Tue, Oct 6, 2009 at 2:39 AM, Kostya <kostya.shishkov at gmail.com> wrote:
> On Mon, Oct 05, 2009 at 10:03:49PM +1100, Andrew Dennison 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.
>>
>> With this simple patch against curent mplayer svn the original .evo
>> and converted .mkv both play. Conversion was performed with eac3to.
>
> In principle patch looks ok but can you provide a sample?

vc1_incomplete_extradata.mkv has been uploaded to
ftp://upload.mplayerhq.hu/MPlayer/incoming/

This is the first 500k of a file that will not play without the patch.