Livestream to Twitch script

#!/bin/sh

# Stream from Linux to Twitch/Justin

INRES="1366x768" # input resolution
OFFSET="0,0"
OUTRES="1280x720"
FPS="15" # target FPS
QUAL="ultrafast"  # one of the many FFMPEG preset
STREAM_KEY="live_PUT-YOUR-STREAM-KEY-HERE"
URL="rtmp://live.justin.tv/app/$STREAM_KEY"

avconv -f x11grab -s "$INRES" -r "$FPS" -i :0.0+$OFFSET -b 256k \
    -vcodec libx264 -crf 30 -b:v 1000k -s "$OUTRES" \
    -f flv "$URL"


# Same but with audio

#avconv -f x11grab -s "$INRES" -r "$FPS" -i :0.0+$OFFSET -b 256k \
#    -f alsa -ac 2 -i pulse -ar 44100 -itsoffset -25 \
#    -vcodec libx264 -crf 30 -b:v 1000k -s "$OUTRES" \
#    -acodec libmp3lame -b:a 128k \
#    -f flv "$URL"