Please see this: http://www.pastebin.com/zKAWjP2w *I've used this command for a long time with a lot of success: **ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 30 -s 1024x768 -i :0.0 -c:a pcm_s16le -ar 11025 -c:v libx264 -preset ultrafast -threads 0 ~/Desktop/desk_A.mkv Can anyone send me alternative solutions? *