[FFmpeg-user] matroska problem

[Alexander Eidem]

when i try to convert mkv files  to m4v it gives me this answer..
Alexanders-Mac-mini:desktop Alexandermacmini$ ffmpeg -i truthbetold.mkv
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
  configuration:  --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264 
  libavutil version: 49.0.0
  libavcodec version: 51.9.0
  libavformat version: 50.4.0
  built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
[matroska @ 0x5597b8]Matroska demuxer version 1 too old for file version 2
truthbetold.mkv: Unknown format



how can i fix this?

Alexander