./ffmpeg \
	-vcodec mjpeg -an -f mpegts -i udp://localhost:2106 \
	-vcodec mjpeg -an -f mpegts -i udp://localhost:2107 \
	clientout.avi

  built on Sep 22 2012 17:51:41 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl
  libavutil      51. 73.101 / 51. 73.101
  libavcodec     54. 57.100 / 54. 57.100
  libavformat    54. 27.101 / 54. 27.101
  libavdevice    54.  2.101 / 54.  2.101
  libavfilter     3. 16.106 /  3. 16.106
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[mpegts @ 0x2a84380] Unable to seek back to the start
[mpegts @ 0x2a84380] decoding for stream 0 failed
[mpegts @ 0x2a84380] Could not find codec parameters for stream 0 (Audio: aac_latm ([6][0][0][0] / 0x0006), 0 channels, s16): unspecified sample rate
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0x2a84380] Estimating duration from bitrate, this may be inaccurate
udp://localhost:2106: could not find codec parameters