root@OpenWrt:~# ./ffmpeg -r 5 -s 320x240 -f video4linux -i /dev/video0 -f mjpeg -vcodec mjpeg udp://192.168.111.48:1234
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --disable-debug --enable-gpl --cross-compile --cross-prefix=arm-linux-uclibc- --arch=arm --disable-armv5te --disable-armv6 --disable-iwmmxt
  libavutil version: 49.4.0
  libavcodec version: 51.40.4
  libavformat version: 51.12.1
  built on Feb 16 2008 15:15:35, gcc: 4.2.3
Input #0, video4linux, from '/dev/video0':
  Duration: N/A, bitrate: 9216 kb/s
  Stream #0.0: Video: rawvideo, bgr24, 320x240, 9216 kb/s,  5.00 fps(r)
Output #0, mjpeg, to 'udp://192.168.111.48:1234':
  Stream #0.0: Video: mjpeg, yuvj420p, 320x240, q=2-31, 200 kb/s,  5.00 fps(c)
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
[mjpeg @ 0x4873bc]Error evaluating rc_eq "tex^qComp" bitrate= 205.1kbits/s
Video encoding failed