#! /bin/bash
OFFSET_A_X=$(xwininfo -name DOTA\ 2\ -\ OpenGL | awk 'NR==4' | awk '{print $4}')
OFFSET_A_Y=$(xwininfo -name DOTA\ 2\ -\ OpenGL | awk 'NR==5' | awk '{print $4}')
OFFSET_R_X=$(xwininfo -name DOTA\ 2\ -\ OpenGL | awk 'NR==6' | awk '{print $4}')
OFFSET_R_Y=$(xwininfo -name DOTA\ 2\ -\ OpenGL | awk 'NR==7' | awk '{print $4}')
OFFSETX=$(echo $OFFSET_A_X+$OFFSET_R_X | gp | awk 'NR==15' | awk '{print $3}')
OFFSETY=$(echo $OFFSET_A_Y+$OFFSET_R_Y | gp | awk 'NR==15' | awk '{print $3}')
INRES="$(xwininfo -name DOTA\ 2\ -\ OpenGL | awk 'NR==8' | awk '{print $2}')x$(xwininfo -name DOTA\ 2\ -\ OpenGL | awk 'NR==9' | awk '{print $2}')" # input resolution
OUTRES="1280x720" # output resolution
QUAL="fast" # ultrafast < fast < normal <?> medium
VBITRATE="500k"
ABITRATE="96k"
STREAM_KEY=$(cat ~/.twitch_key)

ffmpeg \
    -f x11grab\
    -s $INRES\
    -i :0.0+$OFFSET_A_X,$OFFSET_A_Y\
    -threads 0\
    \
    -f alsa -ac 2 -i default\
    -ar 22050\
    -ab $ABITRATE\
    -c:a libmp3lame\
    \
    -vb $VBITRATE\
    -c:v libx264\
    -pix_fmt yuv420p\
    -s $OUTRES\
    -preset $QUAL\
    \
    -f flv "rtmp://live.twitch.tv/app/$STREAM_KEY"