#!/bin/sh

### BEGIN INIT INFO
# Provides:
# Short-Description: Start RTSP Server
# Description:       Provide RTSP Streaming Video over IP
### END INIT INFO

. /opt/wz_mini/wz_mini.conf

RTSP=/opt/wz_mini/log/v4l2rtspserver
if [[ -e $RTSP.log || -L $RTSP.log ]] ; then
	i=0
	while [[ -e $RTSP.log.$i || -L $RTSP.log.$i ]] ; do
		let i++
	done
	mv $RTSP.log $RTSP.log.$i
	RTSP=$RTSP
fi
touch -- "$RTSP".log


case "$1" in
	start)

		echo "#####$(basename "$0")#####"

		if [[ "$RTSP_HI_RES_ENABLED" == "true" ]]; then

			if [ -f /opt/wz_mini/tmp/.T20 ]; then
				HI_VIDEO_DEV="/dev/video6"
			else
				HI_VIDEO_DEV="/dev/video1"
			fi

			if [[ "$RTSP_PASSWORD" = "" ]]; then
				RTSP_PASSWORD=$(cat /opt/wz_mini/tmp/wlan0_mac)
			fi

			echo "Enable video ch 0"
			/opt/wz_mini/bin/cmd video 0 on > /dev/null

			if [[ "$RTSP_HI_RES_ENABLE_AUDIO" == "true" ]]; then
				echo "Enable audio ch 0"
				/opt/wz_mini/bin/cmd audio 0 on > /dev/null
				AUDIO_CH="-C 1"
				AUDIO_FMT="-a S16_LE"
				DEVICE1="$HI_VIDEO_DEV,hw:0,0"
			else
				DEVICE1="$HI_VIDEO_DEV"
				echo "rtsp audio disabled"
			fi

		else
			echo "rtsp disabled"

		fi


		if [[ "$RTSP_LOW_RES_ENABLED" == "true" ]]; then

			if [ -f /opt/wz_mini/tmp/.T20 ]; then
				LOW_VIDEO_DEV="/dev/video7"
			else
				LOW_VIDEO_DEV="/dev/video2"
			fi

			echo "Enable video ch 1"
			/opt/wz_mini/bin/cmd video 1 on > /dev/null

			if [[ "$RTSP_PASSWORD" = "" ]]; then
				RTSP_PASSWORD=$(cat /opt/wz_mini/tmp/wlan0_mac)
			fi

			if [[ "$RTSP_LOW_RES_ENABLE_AUDIO" == "true" ]]; then
				echo "Enable video ch 1"
				/opt/wz_mini/bin/cmd audio 1 on > /dev/null
				AUDIO_CH="-C 1"
				AUDIO_FMT="-a S16_LE"
				DEVICE2="$LOW_VIDEO_DEV,hw:2,0"
			else
				DEVICE2="$LOW_VIDEO_DEV"
				echo "rtsp audio disabled"
			fi

		else
			echo "rtsp disabled"

		fi

		if [[ "$RTSP_LOW_RES_ENABLED" == "true" ]] || [[ "$RTSP_HI_RES_ENABLED" == "true" ]]; then
			echo "delay RTSP for iCamera"
			#This delay is required. Sometimes, if you start the rtsp server too soon, live view will break on the app.
			sleep 5

			if [[ "$RTSP_AUTH_DISABLE" == "true" ]]; then
				echo "Starting RTSP server"
				LD_LIBRARY_PATH=/opt/wz_mini/lib LD_PRELOAD=/system/lib/libsetunbuf.so /opt/wz_mini/bin/v4l2rtspserver $AUDIO_CH $AUDIO_FMT -F0 -P "$RTSP_PORT" $DEVICE1 $DEVICE2 > $RTSP.log 2>&1 &
			else
				echo "Starting RTSP server"
				LD_LIBRARY_PATH=/opt/wz_mini/lib LD_PRELOAD=/system/lib/libsetunbuf.so /opt/wz_mini/bin/v4l2rtspserver $AUDIO_CH $AUDIO_FMT -F0 -U "$RTSP_LOGIN":"$RTSP_PASSWORD" -P "$RTSP_PORT" $DEVICE1 $DEVICE2 > $RTSP.log 2>&1 &
			fi

			sleep 1
			echo "Set imp variables via helper"
			/opt/wz_mini/usr/bin/imp_helper.sh > /dev/null 2>&1 &
		fi

		sync;echo 3 > /proc/sys/vm/drop_caches
		;;
	stop)
		pkill v4l2rtspserver
		cmd video 0 off
		cmd audio 0 off
		cmd video 1 off
		cmd audio 1 off
		pkill imp_helper.sh

		;;
	restart)
		$0 stop
		$0 start
		;;
	*)
		echo "Usage: $0 {start|stop}"
		exit 1
		;;
esac