sudo add-apt-repository ppa:maarten-baert/simplescreenrecorder
sudo apt-get update
sudo apt-get install simplescreenrecorder
# if you want to record 32-bit OpenGL applications on a 64-bit system:
sudo apt-get install simplescreenrecorder-lib:i386


ls /dev/video*
aplay -l

mplayer tv:// -tv driver=v4l2:width=720:height=576:outfmt=uyvy:device=/dev/video0:\
input=0:fps=25:alsa:amode=1:forcechan=2:audiorate=48000:adevice=plughw.2,0:forceaudio:\
immediatemode=0 -ao sdl,alsa