Script for streaming from a Raspberry Pi Camera to Twitch

twitch_rpicam.sh

#!/bin/bash

# Note: You need ffmpeg to use this script.
# If not installed, type 'sudo apt install ffmpeg'.

# Twitch Stream-Key
STREAMKEY=live_

# Twitch Ingest: https://stream.twitch.tv/ingests/
ENDPOINTS=(rtmp://live-ber.twitch.tv/app rtmp://live-ams.twitch.tv/app rtmp://live-fra02.twitch.tv/app)

# Stream settings
WIDTH=1920
HEIGHT=1080
FRAMERATE=30
KEYFRAME=60
BITRATE=6000000

I=0
while true
do

    # Getting the current endpoint
    EPIDX=$(( $I % ${#ENDPOINTS[@]} ))
    CURENDPOINT=${ENDPOINTS[$EPIDX]}

    echo "Using $CURENDPOINT as Twitch endpoint"

    # Starting the stream
	raspivid -n -t 0 -w $WIDTH -h $HEIGHT -fps $FRAMERATE -b $BITRATE -g $KEYFRAME -o - | ffmpeg -f lavfi -i anullsrc -c:a aac -r $FRAMERATE -i - -g $KEYFRAME -strict experimental -threads 4 -vcodec copy -map 0:a -map 1:v -b:v $BITRATE -preset ultrafast -f flv "${CURENDPOINT}/${STREAMKEY}"

    # Cooldown when stream was aborted
    echo
    echo "Stream exited unexpected. Wait 60 seconds and restart..."
    echo

    sleep 60

    # Choosing next endpoint
    I=$(( $I + 1 ))

done