rewind https://github.com/juanpabloaj/slacker-cli http://jollejolles.com/installing-ffmpeg-with-h264-support-on-raspberry-pi/ http://github.com/smrutirpanigrahi/opencvexplorer/blob/f9025fcd650f550b7e25a2b53c71f939bf94143e0/InstallScripts/installOpenCV-raspberry-pi.sh