ffmpeg -f alsa -ac 2 -i pulse -f x11grab -s 1680x1050 -r 25 -i :0.0+0,0 -vf "movie=/dev/video0:f=video4linux2, scale=180:-1, setpts=PTS-STARTPTS [movie]; [in][movie] overlay=main_w-overlay_w-2:main_h-overlay_h-2 [out]" -b 1500k -vcodec libtheora -pix_fmt yuv420p -vf yadif,scale=1280:720 -r 20 -acodec libvorbis -ab 160000 -g 30 -f ogg - | vlc -I dummy - --sout '#std{access=http,mux=ogg,dst=:8080}'

[0x8c0d0b8] main mux error: cannot add this stream
[0x8c2f648] main packetizer error: cannot create packetizer output (I420)
[0x8c0d0b8] main mux error: cannot add this stream
[0x8c34058] main packetizer error: cannot create packetizer output (vorb)