Bash script to stop RTSP recording

stop_cam1.sh

#!/bin/bash

VOPATH=/media/data/motion  # video output directory
MPATH=/home/pi/motion  # motion log directory
CAM=1

pidfile=$MPATH/cam$CAM.pid
if [ ! -f $pidfile ]; then
  echo "PID file not found. Nothing to do."
else
  echo "PID file exists, stopping ffmpeg process."
  read pid < $pidfile
  echo "Sending SIGHUP to process $pid."
  # use SIGINT for ffmpeg, SIGHUP for openRTSP
  kill -HUP $pid
  echo "Removing PID file $pidfile."
  rm $pidfile
fi