ubuntu@arm:~/ffmpeg$ ./ffmpeg -f video4linux2 -list_formats all -i /dev/video0
ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
  built on Dec  6 2012 02:15:48 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-libx264 --enable-gpl --prefix='~/ff'
  libavutil      52. 11.101 / 52. 11.101
  libavcodec     54. 79.100 / 54. 79.100
  libavformat    54. 44.100 / 54. 44.100
  libavdevice    54.  3.102 / 54.  3.102
  libavfilter     3. 24.100 /  3. 24.100
  libswscale      2.  1.103 /  2.  1.103
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[video4linux2,v4l2 @ 0xc0b5b0] R :   yuyv422 :     YUV 4:2:2 (YUYV) : 640x480 160x90 160x120 176x144 320x180 320x240 352x288 432x240 640x360 800x448 800x600 864x480 960x720 1024x576 1280x720 1600x896 1920x1080 2304x1296 2304x1536
[video4linux2,v4l2 @ 0xc0b5b0] C : Unsupported :                H.264 : 640x480 160x90 160x120 176x144 320x180 320x240 352x288 432x240 640x360 800x448 800x600 864x480 960x720 1024x576 1280x720 1600x896 1920x1080
[video4linux2,v4l2 @ 0xc0b5b0] C :     mjpeg :                MJPEG : 640x480 160x90 160x120 176x144 320x180 320x240 352x288 432x240 640x360 800x448 800x600 864x480 960x720 1024x576 1280x720 1600x896 1920x1080
/dev/video0: Immediate exit requested