livestream ffmepg

live() {
  INRES="1680x1050"
  OUTRES="1280x720"
  FPS="30"
  GOP="60
  GOPMIN="30"
  THREADS="2"
  CBR="2500k"
  QUALITY="superfast"
  AUDIO_RATE="44100"
  STREAM_KEY=""
  SERVER="live"
  
  ffmpeg -f x11grab -s "$INRES" - r "$FPS" -i :0.0+1366,0 \
    -f pulse -ac 2 -ar 44100 -i alsa_input.pci-0000_00_1b.0.analog-stereo \
    -vcodec libx264 -g $GOP -keyint_min $GOPMIN -b:v $CBR -minrate $CBR -maxrate $CBR -pix_fmt yuv420p\
    -s $OUTRES -preset $QUALITY -tune film -acodec libmp3lame -threads $THREADS - strict normal \
    -bufsize $CBR -f flv "rtmp://$SERVER.twitch.tv/app/$STREAM_KEY"
}