bashrc ffmpeg command 1

streaming() {
INRES="640x480" # input resolution
OUTRES="640x480"
FPS="30" # target FPS
QUAL="fast"  # one of the many FFMPEG preset
STREAM_KEY="$1"
URL="rtmp://live.twitch.tv/app/$STREAM_KEY" #flashver=FMLE/3.0\20(compatible;\20FMSc/1.0)"


ffmpeg -f v4l2 -s "$INRES" -r "$FPS" -i /dev/video0 -ab 44100 \
    -f alsa -ac 2 -i default -vcodec libx264 -pix_fmt yuv420p -crf 30 -preset "$QUAL" -s "640x480" \
    -acodec libmp3lame -ar 44100 -threads 0 \
    -f flv "$URL"
}