feat: webcam picker

image-toolkit/bin/vnoiconf.sh

@@ -149,6 +149,19 @@ EOM
 # EOM
 # 		fi
 # 		;;
+	set_video_device)
+		# Get device path at the first argument and replace the VIDEO_DEVICE_SOURCE in config.sh with it
+		if [ "$#" -ne 2 ]; then
+			echo "No device specified"
+			exit 1
+		fi
+		# Matches whole line starting with "VIDEO_DEVICE_SOURCE="
+		sed -i "s#VIDEO_DEVICE_SOURCE=.*#VIDEO_DEVICE_SOURCE=\"$2\"#" /opt/vnoi/config.sh
+		# Restart stream
+		if [[ -f "/run/icpc-webcam-stream.pid" ]]; then
+			kill -9 $(cat /run/icpc-webcam-stream.pid) 2> /dev/null
+		fi
+		;;
 	set_audio_device)
 		# Get device name at the first argument and replace the AUDIO_DEVICE_NAME in config.sh with it
 		if [ -z "$2" ]; then

image-toolkit/config.sh.sample

@@ -20,3 +20,7 @@ AUDIO_DEVICE_NAME="any"
 
 # If AUDIO_DEVICE_SOURCE is provided, AUDIO_DEVICE_NAME check is bypassed and AUDIO_DEVICE_SOURCE will be used directly
 # AUDIO_DEVICE_SOURCE="alsa://plughw:1,0"
+
+# If VIDEO_DEVICE_SOURCE is not empty, VIDEO_DEVICE_SOURCE will be used as the webcam device path for streaming
+# Example: "/dev/v4l/by-id/usb-mywebcam-video-index0"
+VIDEO_DEVICE_SOURCE=""

image-toolkit/sbin/startup.sh

@@ -70,6 +70,22 @@ webcam_stream_loop() {
         do
             echo "Looking for video devices"
 
+            local VIDEO_DEVICE_SOURCE
+            source /opt/vnoi/config.sh
+
+            if [[ -n "$VIDEO_DEVICE_SOURCE" ]] ; then
+                echo "VIDEO_DEVICE_SOURCE provided"
+                if [[ -e "$VIDEO_DEVICE_SOURCE" ]] ; then
+                    echo "Using $VIDEO_DEVICE_PATH"
+                    VIDEO_DEVICE_PATH="$VIDEO_DEVICE_SOURCE"
+                    return
+                else
+                    echo "$VIDEO_DEVICE_SOURCE not found"
+                    sleep 3
+                fi
+                continue
+            fi
+
             local VIDEO_DEVICES
             mapfile -t VIDEO_DEVICES < <(find /dev/v4l/by-id -regex ".*/usb-.*-video-index0")
 
@@ -191,9 +207,9 @@ webcam_stream_loop() {
         sleep 0.1
     }
 
-    webcam_pick_devices
     while :
     do
+        webcam_pick_devices
         echo "Checking video device at $VIDEO_DEVICE_PATH"
         if [[ -e $VIDEO_DEVICE_PATH ]]; then
             echo "Video device found"