BBB

• ffmpeg running
  • CPU 45%
  • RES 8796
  • ffmpeg -s 320×240 -f video4linux2 -i /dev/video0 -f mpeg1video -b 400k -t 1:00:00 -r 30 -pix_fmt yuv420p http://host
    
• power
  • 2 watts w/ ethernet
  • 3 watts w/ usb cam
  • 3 watts ffmpeg running

rPi

• ffmpeg 0.8.6-6:0.8.6-1+rpi1 / Lavf53.21.1

  • ffmpeg -s 320×240 -f video4linux2 -i /dev/video0 -f mpeg1video -b 400k -r 30 -pix_fmt yuyv422 http://host
  • anysize 400k stream was constant fail
  • 320×240 200k stream is good 97% cpu
  • 320×240 100k stream is good 80% cpu
  • 640×480 50k was fail
• power
  • 2 watts w/ ethernet
  • 3 watts w/ usb cam