debian-armel:~# ffmpeg -s 320x240 -pix_fmt yuv422p -r 30 -f video4linux2 -i /dev/video1 test.mpeg

FFmpeg version SVN-r11872+debian_0.svn20080206-18+lenny3, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration:  {snipped for brevity}
  libavutil version: 49.6.0
  libavcodec version: 51.50.0
  libavformat version: 52.7.0
  libavdevice version: 52.0.0
  built on Jul 12 2007 20:22:46, gcc: 3.4.6
Input #0, wav, from 'dev/video1':
  Duration: 00:0:00,0, start: 0.000000, bitrate: 1411 kb/s
  Stream #0.0: Video: raw, yuv420p, 320x240, 30.00 fps(r)
Output #0, mp2, to 'test.mpeg':
  Stream #0.0: Video: mpeg2video, yuv420p, 320x240, q=2-31, 6000 kb/s, 29.97 fps(c)
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
#