This file (foind on WinMX) crashes my version of ffmpeg (not the last one).
ASF file with Voxware Metasound audio (WAV ACM id 0x75), AC16V1, 16 Kbps, 16 KHz, mono)
and MP42 video.

submitted by mmu_man (François Revol, mailto:revol@free.fr ).

[revol@patrick /wincrash/Mes Documents/My Music]$ xffmpeg -i /wincrash/Mes\ Doculibavcodec: CPU flags: mmx 3dnow
Input #0, asf, from '/wincrash/Mes Documents/My Music/Saolin.audio_0x75-VoxwareMetaSound.V4CC_MP42.asf':
  Stream #0.0: Audio: 0x0075, 16000 Hz, mono, 16 kb/s
  Stream #0.1: Video: msmpeg4v2, 240x176, 25.00 fps, q=0-0
Output #0, avi, to 'Saolin.avi':
  Stream #0.0: Video: msmpeg4, 240x176, 25.00 fps, q=3-15, 200 kb/s
Stream mapping:
  Stream #0.1 -> #0.0
Press [q] to stop encoding
ext header missing, 3 left
ext header missing, 4 left  45kB time=1.6 bitrate= 230.7kbits/s