Stream to YouTube/Twitch

index.js

const shell = require('shelljs');

shell.exec('./stream.sh', (code, stdout, stderr) => {
    /*console.log('Exit code:', code);
    console.log('Program output:', stdout);
    console.log('Program stderr:', stderr);*/
    startStream();
});

function startStream() {
    shell.exec('./stream.sh', (code, stdout, stderr) => {
        /*console.log('Exit code:', code);
        console.log('Program output:', stdout);
        console.log('Program stderr:', stderr);*/
        startStream();
    });
}

stream.sh

#! /bin/bash

VBR="4000k"                                    # Битрейт видео
FPS="60"                                       # FPS
QUAL="medium"                                  # Пресет качества для FFmpeg
TWITCH_URL="rtmp://live-hel.twitch.tv/app"     # URL RTMP Twitch
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2"    # URL RTMP YouTube

FOLDER="radio"                                 # Имя папки с видео роликами
KEY="live_485564120_DZwdIh2NsFwnxsEfdqagdxcaL" # Ключ потока

SOURCE=""
n=0
filter=""

for f in $FOLDER/*.mp4
do
  SOURCE="$SOURCE -i $f"
  filter="$filter [$n:v:0] [$n:a:0]"
  ((n++))
done

filter="$filter concat=n=$n:v=1:a=1 [v] [a]"

echo "ffmpeg $SOURCE -filter_complex '$filter'"

ffmpeg \
    $SOURCE -filter_complex "$filter" \
-map "[v]" -map "[a]" -deinterlace \
    -vcodec libx264 -pix_fmt yuv420p -preset $QUAL -r $FPS -g $(($FPS * 2)) -b:v $VBR \
    -acodec libmp3lame -ar 44100 -threads 6 -qscale 3 -b:a 712000 -bufsize 512k \
    -f flv "$TWITCH_URL/$KEY"