mediamtx/test-images/vlc/start.sh

#!/bin/sh -e

mkdir /out
chown user:user /out

CMD="cvlc --play-and-exit --no-audio --no-video --sout file/ts:/out/stream.ts -vvv $@"
su - user -c "$CMD" 2>&1 &

COUNTER=0
while true; do
    sleep 1

    if [ $(stat -c "%s" /out/stream.ts) -gt 0 ]; then
        exit 0
    fi

    COUNTER=$(($COUNTER + 1))

    if [ $COUNTER -ge 15 ]; then
        exit 1
    fi
done