Convert stack to allow for multiple libcamera devices

configs/libcamera.conf → configs/libcamera-default.conf

@@ -1,10 +1,11 @@
 ### Options for libcamera based cameras (PiCam, Arducam, ...)
 
-# The port on which the webcam server for the camera should listen on. If you have only
-# one camera, leave at 8080. If you have more, change to 8081, 8082, etc. The primary
-# camera will be considered the one with 8080.
+# The port on which the webcam server for the camera should listen on.
 PORT=8080
 
+# The path to the camera device.
+DEVICE=/base/soc/i2c0mux/i2c@1/imx708@1a
+
 # The resolution to request on the camera sensor. Defaults to 1280x720.
 WIDTH=1920
 HEIGHT=1080

scripts/add-camera

@@ -0,0 +1,163 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root/with sudo"
+  exit 1
+fi
+
+if [[ "$1" != "libcamera" ]] && [[ "$1" != "usb" ]]
+  then echo "type must be libcamera or usb"
+  exit 1
+fi
+
+TYPE=$1
+NAME=$2
+PORT=$3
+DEVICE=$4
+
+CONFIG_DIR=/etc/camera-streamer.conf.d
+CONTROL=/usr/bin/camera-streamer-control
+
+## Name
+
+if [ -z "$NAME" ]; then
+  echo "Usage: $0 <type> <name> [port] [device]"
+  exit 1
+fi
+
+# make sure the name is unique
+if [ -e "$CONFIG_DIR/$TYPE-$NAME.conf" ]; then
+  echo "Camera $TYPE-$NAME already exists"
+  exit 1
+fi
+
+## Port
+
+if [ -z "$PORT" ]; then
+  port=8080
+  while grep -qs "PORT=$port" $CONFIG_DIR/*.conf; do
+    port=$((port+1))
+  done
+  PORT=$port
+  echo "No port provided, automatically selected port $PORT"
+  echo
+fi
+
+# make sure the port is available
+if grep -qs "PORT=$PORT" $CONFIG_DIR/*.conf; then
+  echo "Port $PORT is already used by another camera"
+  exit 1
+fi
+
+# Get a list all camera for a type
+if [[ "$TYPE" == "usb" ]]
+then
+  LIST=$(echo /dev/v4l/by-id/usb-*-video-index0)
+else
+  LIST=$(/usr/bin/libcamera-hello --list-cameras | grep -o '/base/soc/[^)]*')
+fi
+
+## Device
+
+if [ -z "$DEVICE" ]; then
+  echo "Please make sure your $TYPE camera is plugged in and select it below:"
+  echo
+  PS3="? "
+  options=($LIST)
+  select opt in "${options[@]}"; do
+    if [ -n "$opt" ]; then
+      DEVICE=$opt
+      break
+    fi
+    echo
+  done
+  echo
+fi
+
+# make sure the device exists
+if [[ $TYPE == "usb" ]]; then
+  if [ ! -e "$DEVICE" ]; then
+    echo "Device $DEVICE does not exist"
+    exit 1
+  fi
+else
+  found=0
+  for opt in $LIST; do
+    if [[ "$opt" == "$DEVICE" ]]; then
+      found=1
+      break
+    fi
+  done
+  if [ $found -eq 0 ]; then
+    echo "Device $DEVICE does not exist"
+    exit 1
+  fi
+fi
+
+if grep -qs "DEVICE=$DEVICE" $CONFIG_DIR/*.conf; then
+  echo "Device $DEVICE is already configured"
+  exit 1
+fi
+
+make_usb_conf() {
+  cat > $CONFIG_DIR/usb-$NAME.conf <<EOF
+### Options for USB based cameras
+
+# The port on which the webcam server for the camera should listen on.
+PORT=$PORT
+
+# The path to the camera device.
+DEVICE=$DEVICE
+
+# The image format of the camera.
+FORMAT=YUYV
+
+# The resolution to set on the camera. Defaults to 1280x720.
+WIDTH=1280
+HEIGHT=720
+
+# The framerate to set on the camera. Defaults to 15fps.
+FRAMERATE=15
+
+# Additional options.
+OPTIONS=
+EOF
+}
+
+make_libcamera_conf() {
+  cat > $CONFIG_DIR/libcamera-$NAME.conf <<EOF
+### Options for libcamera based cameras (PiCam, Arducam, ...)
+
+# The port on which the webcam server for the camera should listen on.
+PORT=$PORT
+
+# The path to the camera device.
+DEVICE=$DEVICE
+
+# The resolution to request on the camera sensor. Defaults to 1280x720.
+WIDTH=1920
+HEIGHT=1080
+
+# The height to use for the video stream. Defaults to 720.
+VIDEO_HEIGHT=720
+
+# The height to use for the snapshots. Defaults to 1080.
+SNAPSHOT_HEIGHT=1080
+
+# The framerate to set on the camera. Defaults to 15fps.
+FRAMERATE=15
+
+# Additional options. By default enables continuous auto focus (if possible).
+OPTIONS='--camera-options="AfMode=2" --camera-options="AfRange=2"'
+EOF
+}
+
+make_${TYPE}_conf
+
+$CONTROL restart $NAME
+
+echo "Camera $TYPE-$NAME added"
+echo
+echo "Port:               $PORT"
+echo "Device:             $DEVICE"
+echo "Configuration file: $CONFIG_DIR/$TYPE-$NAME.conf"

scripts/list-cameras

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+ALL=$1
+
+CONFIG_DIR=/etc/camera-streamer.conf.d
+
+echo "Available USB camera devices:"
+for path in /dev/v4l/by-id/usb-*-video-index0; do
+    if [[ "$ALL" == "--all" ]]; then
+        echo
+        echo "=== $path ==="
+        echo
+        v4l2-ctl --device "$path" --all --list-formats --list-formats-ext
+    else
+        echo "  None available"
+    fi
+done
+
+
+echo
+echo "Available libcamera devices (* = in a config):"
+if [ -e /usr/bin/libcamera-hello ]; then
+    IFS=$'\n'
+    LIST=$(/usr/bin/libcamera-hello --list-cameras | grep -v '^ ' | sed -e '1,2d')
+    for d in $LIST; do
+        inuse=' '
+        device=$(echo $d | grep -o '/base/soc/[^)]*')
+        if grep -qs "DEVICE=$device" $CONFIG_DIR/*.conf; then
+            inuse='*'
+        fi
+        echo "  [$inuse] $d"
+    done
+    unset IFS
+else
+    echo "  None available"
+fi

scripts/remove-camera

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root/with sudo"
+  exit 1
+fi
+
+if [[ "$1" != "libcamera" ]] && [[ "$1" != "usb" ]]
+  then echo "type must be libcamera or usb"
+  exit 1
+fi
+
+TYPE=$1
+NAME=$2
+
+CONFIG_DIR=/etc/camera-streamer.conf.d
+CONTROL=/usr/bin/camera-streamer-control
+
+if [ -z "$NAME" ]; then
+  echo "Usage: $0 <name>"
+  exit 1
+fi
+
+if [ ! -e "$CONFIG_DIR/$TYPE-$NAME.conf" ]; then
+  echo "Camera $TYPE-$NAME does not exist"
+  exit 1
+fi
+
+$CONTROL stop $NAME
+
+rm $CONFIG_DIR/$TYPE-$NAME.conf
+if [[ "$TYPE" == "usb" ]]; then
+  rm /run/systemd/system/camera-streamer-usb-$NAME.path || true
+fi
+systemctl daemon-reload