„webcamDaemon“ hinzufügen

webcamDaemon

@@ -0,0 +1,56 @@
+#!/bin/bash
+# copy to /home/pi/scripts/webcamDaemon
+
+MJPGSTREAMER_HOME=/home/pi/mjpg-streamer/mjpg-streamer-experimental
+MJPGSTREAMER_INPUT_USB="input_uvc.so"
+MJPGSTREAMER_INPUT_RASPICAM="input_raspicam.so"
+
+# init configuration
+camera="auto"
+camera_usb_options="-r 640x480 -f 10"
+camera_raspi_options="-fps 10"
+
+if [ -e "/boot/octopi.txt" ]; then
+    source "/boot/octopi.txt"
+fi
+
+# runs MJPG Streamer, using the provided input plugin + configuration
+function runMjpgStreamer {
+    input=$1
+    pushd $MJPGSTREAMER_HOME
+    echo Running ./mjpg_streamer -o "output_http.so -w ./www" -i "$input"
+    LD_LIBRARY_PATH=. ./mjpg_streamer -o "output_http.so -w ./www" -i "$input"
+    popd
+}
+
+# starts up the RasPiCam
+function startRaspi {
+    logger "Starting Raspberry Pi camera"
+    runMjpgStreamer "$MJPGSTREAMER_INPUT_RASPICAM $camera_raspi_options"
+}
+
+# starts up the USB webcam
+function startUsb {
+    logger "Starting USB webcam"
+    runMjpgStreamer "$MJPGSTREAMER_INPUT_USB $camera_usb_options"
+}
+
+# we need this to prevent the later calls to vcgencmd from blocking
+# I have no idea why, but that's how it is...
+vcgencmd version
+
+# echo configuration
+echo camera: $camera
+echo usb options: $camera_usb_options
+echo raspi options: $camera_raspi_options
+
+# keep mjpg streamer running if some camera is attached
+while true; do
+    if [ -e "/dev/video0" ] && { [ "$camera" = "auto" ] || [ "$camera" = "usb" ] ; }; then
+        startUsb
+    elif [ "`vcgencmd get_camera`" = "supported=1 detected=1" ] && { [ "$camera" = "auto" ] || [ "$camera" = "raspi" ] ; }; then
+        startRaspi
+    fi
+
+    sleep 120
+done