streaming() {
INRES="1920x1080" # input resolution
OUTRES="640x360"
FPS="15" # target FPS
QUAL="fast"  # one of the many FFMPEG preset
STREAM_KEY="$1"
URL="rtmp://live.justin.tv/app/$STREAM_KEY" #flashver=FMLE/3.0\20(compatible;\20FMSc/1.0)"

#ffmpeg -f x11grab -s "$INRES" -r "$FPS" -i :0.0 -ab 22050\
# -f alsa -ac 2 -i pulse -vcodec libx264 -s "$OUTRES" -level 30 -f mpegts \
# -acodec libmp3lame -ac 1  \
# -f flv "$URL"




ffmpeg -f x11grab -s "$INRES" -r "$FPS" -i :0.0  -ab 96k \
    -f alsa -ac 2 -i pulse -vcodec libx264 "-pix_fmt yuv420p" -crf 30 -preset "$QUAL" -s "1280x720" \
    -acodec libmp3lame -ar 44100 -threads 4 \
    -f flv "rtmp://live.justin.tv/app/$STREAM_KEY"
}