avirecompress when doing a copy video (recompress audio
to mp3)
does the first 5739 frames then stops doing video, but
continues
doing audio....
output from avitype on movie.avi:
AVI file: movie.avi
Frames: 107925 of 320x240
Rate: 29.97 frame/sec or 0 kB/sec
Streams: 2 (1V + 1A)
Video: vids DIV3 (divx)
Audio: PCM 16-bit 2-chan 44100 Hz