go2rtc: update to master version, update alsa config to support dsnooper, add ca-bundle certificate to support tls

SD_ROOT/wz_mini/etc/alsa/alsa.conf

@@ -632,3 +632,35 @@ timer.hw {
 		device $DEV
 	}
 }
+
+## for go2rtc
+pcm.loop0 {
+    type hw
+    card 0
+    device 0
+    subdevice 0
+}
+
+pcm.dsnooper0 {
+    type dsnoop
+    ipc_key 1024
+    slave.pcm "loop0"
+}
+
+pcm.loop2 {
+    type hw
+    card 2
+    device 0
+    subdevice 0
+}
+
+pcm.dsnooper2 {
+    type dsnoop
+    ipc_key 1025
+    slave.pcm "loop2"
+}
+
+pcm.!default {
+    type plug
+    slave.pcm "dsnooper0" # or "dsnooper2", depending on which one you want to use by default
+}

SD_ROOT/wz_mini/etc/go2rtc.yml

@@ -11,12 +11,14 @@ ffmpeg:
 streams:
   1080p:
   - exec:ffmpeg -fflags +genpts+flush_packets+nobuffer+bitexact -flags +low_delay -thread_queue_size 100 -analyzeduration 50 -probesize 50 -pix_fmt yuv420p -r 30 -i /dev/video1  -flags +global_header -movflags +empty_moov+default_base_moof+frag_keyframe -framerate 30 -video_size 1920x1080 -pix_fmt yuv420p -c:v copy -copyts -rtsp_transport tcp -f rtsp {output}
-  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i hw:0,0 -c:a libopus -filter:a volume=5 -movflags +empty_moov+default_base_moof+frag_keyframe -muxdelay 0 -muxpreload 0 -ac:a 1 -af adelay=0|0 -f rtsp {output}
+  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i dsnooper0 -c:a copy -muxdelay 0 -muxpreload 0 -f rtsp {output}
-#Uncomment to enable AAC audio
+  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i dsnooper0 -c:a libfdk_aac -afterburner 1 -channels 1 -b:a 128k -profile:a aac_he -ar 16000 -strict experimental -muxdelay 0 -muxpreload 0 -ac:a 1 -f rtsp {output}
-#  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i hw:0,0 -c:a aac -filter:a volume=5 -movflags +empty_moov+default_base_moof+frag_keyframe -muxdelay 0 -muxpreload 0 -ac:a 1 -f rtsp {output}
+# libopus has higher cpu requirements, audio may studder.
+#  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i dsnooper0 -c:a libopus -muxdelay 0 -muxpreload 0 -ac:a 1 -af adelay=0|0 -f rtsp {output}
   360p:
   - exec:ffmpeg -fflags +genpts+flush_packets+nobuffer+bitexact -flags +low_delay -thread_queue_size 100 -analyzeduration 50 -probesize 50 -pix_fmt yuv420p -r 30 -i /dev/video2 -framerate 30 -video_size 640x360 -pix_fmt yuv420p -c:v copy -copyts -rtsp_transport tcp -f rtsp {output}
-  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i hw:2,0 -c:a libopus -filter:a volume=5 -movflags +empty_moov+default_base_moof+frag_keyframe -muxdelay 0 -muxpreload 0 -ac:a 1 -af adelay=0|0 -f rtsp {output}
+  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i dsnooper2 -c:a copy -muxdelay 0 -muxpreload 0 -ac:a 1 -f rtsp {output}
-#Uncomment to enable AAC audio
+  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i dsnooper2 -c:a libfdk_aac -afterburner 1 -channels 1 -b:a 128k -profile:a aac_he -ar 16000 -strict experimental -muxdelay 0 -muxpreload 0 -ac:a 1 -f rtsp {output}
-#  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i hw:2,0 -c:a aac -filter:a volume=5 -movflags +empty_moov+default_base_moof+frag_keyframe -muxdelay 0 -muxpreload 0 -ac:a 1 -f rtsp {output}
+# libopus has higher cpu requirements, audio may studder.
+#  - exec:ffmpeg -hide_banner -f alsa -ac 1 -i dsnooper2 -c:a libopus -muxdelay 0 -muxpreload 0 -ac:a 1 -af adelay=0|0 -f rtsp {output}
 

SD_ROOT/wz_mini/etc/network.d/S17go2rtc

@@ -22,27 +22,21 @@ touch -- "$GO2RTC".log
 
 case "$1" in
 	start)
-
 		echo "#####$(basename "$0")#####"
-
 		if [[ "$GO2RTC_SERVER_ENABLED" == "true" ]]; then
 			echo "go2rtc enabled"
 		else
 			echo "go2rtc disabled"
 			exit 0
 		fi
-
 		if [[ "$GO2RTC_HI_RES_ENABLED" == "true" ]]; then
-
 			if [ -f /opt/wz_mini/tmp/.T20 ]; then
 				HI_VIDEO_DEV="/dev/video6"
 			else
 				HI_VIDEO_DEV="/dev/video1"
 			fi
-
 			echo "Enable video ch 0"
 			/opt/wz_mini/bin/cmd video 0 on > /dev/null
-
 			if [[ "$GO2RTC_HI_RES_ENABLE_AUDIO" == "true" ]]; then
 				echo "Enable audio ch 0"
 				/opt/wz_mini/bin/cmd audio 0 on > /dev/null
@@ -53,24 +47,17 @@ case "$1" in
 				DEVICE1="$HI_VIDEO_DEV"
 				echo "go2rtc hi_res audio disabled"
 			fi
-
 		else
 			echo "go2rtc hi_res disabled"
-
 		fi
-
-
 		if [[ "$GO2RTC_LOW_RES_ENABLED" == "true" ]]; then
-
 			if [ -f /opt/wz_mini/tmp/.T20 ]; then
 				LOW_VIDEO_DEV="/dev/video7"
 			else
 				LOW_VIDEO_DEV="/dev/video2"
 			fi
-
 			echo "Enable video ch 1"
 			/opt/wz_mini/bin/cmd video 1 on > /dev/null
-
 			if [[ "$GO2RTC_LOW_RES_ENABLE_AUDIO" == "true" ]]; then
 				echo "Enable video ch 1"
 				/opt/wz_mini/bin/cmd audio 1 on > /dev/null
@@ -81,27 +68,38 @@ case "$1" in
 				DEVICE2="$LOW_VIDEO_DEV"
 				echo "go2rtc low_res audio disabled"
 			fi
-
 		else
 			echo "go2rtc low_res disabled"
-
 		fi
-
 		if [[ "$GO2RTC_LOW_RES_ENABLED" == "true" ]] || [[ "$GO2RTC_HI_RES_ENABLED" == "true" ]]; then
 			echo "delay go2rtc for iCamera"
-
 			#This delay is required. Sometimes, if you start the go2rtc server too soon, live view will break on the app.
 			sleep 5
-
 			export ALSA_CONFIG_PATH=/opt/wz_mini/etc/alsa/alsa.conf
-			/opt/wz_mini/bin/go2rtc_linux_mipsel -config /opt/wz_mini/etc/go2rtc.yml > $GO2RTC.log 2>&1 &
 
+			attempts=0
+			while true; do
+				SSL_CERT_FILE=/opt/wz_mini/etc/ssl/ca-bundle.crt /opt/wz_mini/bin/go2rtc_linux_mipsel -config /opt/wz_mini/etc/go2rtc.yml > $GO2RTC.log 2>&1 &
+				pid=$!
+				wait $pid
+				exit_status=$?
+				if [ $exit_status -eq 0 ]; then
+					break
+				else
+					echo "Process exited unexpectedly, restarting."
+					let "attempts+=1"
+					if [ $attempts -ge 20 ]; then
+						echo "Process exited unexpectedly too many times. Not restarting."
+						break
+					fi
+				fi
+			done & # run the loop in background
 		fi
-
 		sync;echo 3 > /proc/sys/vm/drop_caches
 		;;
 	stop)
 		pkill go2rtc_linux_mipsel
+		pkill -f "/bin/sh /opt/wz_mini/bin/go2rtc_linux_mipsel"
 		cmd video 0 off
 		cmd audio 0 off
 		cmd video 1 off
@@ -116,4 +114,3 @@ case "$1" in
 		exit 1
 		;;
 esac
-