FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
  libavutil version: 49.0.0
  libavcodec version: 51.9.0
  libavformat version: 50.4.0
[matroska @ 0x5597b8]Ignoring seekhead entry for ID=0x1549a966
[matroska @ 0x5597b8]Ignoring seekhead entry for ID=0x1654ae6b
[matroska @ 0x5597b8]Ignoring seekhead entry for ID=0x114d9b74
[matroska @ 0x5597b8]Unknown entry 0x73a4 in info header
[matroska @ 0x5597b8]Unknown track header entry 0x55aa - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0x23314f - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0x55ee - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0xaa - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0x55aa - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0x23314f - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0x55ee - ignoring
[matroska @ 0x5597b8]Unknown track header entry 0xaa - ignoring
Seems that stream 0 comes from film source: 1000.00 (1000000000/1000000) -> 0.08 (1/12)
Input #0, matroska, from '/Users/[snip]/movie.mkv':
  Duration: 02:01:50.3, bitrate: N/A
  Stream #0.0,  0.08 fps(r): Video: h264, yuv420p, 1920x800
  Stream #0.1: Audio: 0x0000, 48000 Hz, 5:1
Output #0, dv, to '/Users/[snip].mkv.ff.dv':
  Stream #0.0, 29.97 fps(c): Video: dvvideo, yuv420p, 720x480, q=2-15, 25000 kb/s
  Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Mon Feb  6 06:17:06 PST 2012
Unsupported codec (id=86021) for input stream #0.1