... for kick.com
ffmpeg -re \ -i "$1" \ -vf "subtitles='$1':si=0" \ -c:v libx264 \ -preset veryfast \ -b:v 6000k -maxrate 6000k -bufsize 6000k \ -pix_fmt yuv420p -g 50 -c:a aac -b:a 160k \ -ac 2 -ar 44100 -f flv rtmps://URL/app/STREAMKEY