Support Controlling PTZ Cameras Via WebUI (#4715)

* Add support for ptz commands via websocket

* Fix startup issues

* Fix bugs

* Set config manually

* Add more commands

* Add presets

* Add zooming

* Fixes

* Set name

* Cleanup

* Add ability to set presets from UI

* Add ability to set preset from UI

* Cleanup for errors

* Ui tweaks

* Add visual design for pan / tilt

* Add pan/tilt support

* Support zooming

* Try to set wsdl

* Fix duplicate logs

* Catch auth errors

* Don't init onvif for disabled cameras

* Fix layout sizing

* Don't comment out

* Fix formatting

* Add ability to control camera with keyboard shortcuts

* Disallow user selection

* Fix mobile pressing

* Remove logs

* Substitute onvif password

* Add ptz controls ot birdseye

* Put wsdl back

* Add padding

* Formatting

* Catch onvif error

* Optimize layout for mobile and web

* Place ptz controls next to birdseye view in large layout

* Fix pt support

* Center text titles

* Update tests

* Update docs

* Write camera docs for PTZ

* Add MQTT docs for PTZ

* Add ptz info docs for http

* Fix test

* Make half width when full screen

* Fix preset panel logic

* Fix parsing

* Update mqtt.md

* Catch preset error

* Add onvif example to docs

* Remove template example from main camera docs

frigate/http.py

@@ -36,6 +36,7 @@ from frigate.const import CLIPS_DIR, MAX_SEGMENT_DURATION, RECORD_DIR
 from frigate.models import Event, Recordings, Timeline
 from frigate.object_processing import TrackedObject
 from frigate.plus import PlusApi
+from frigate.ptz import OnvifController
 from frigate.stats import stats_snapshot
 from frigate.util import (
     clean_camera_user_pass,
@@ -59,6 +60,7 @@ def create_app(
     stats_tracking,
     detected_frames_processor,
     storage_maintainer: StorageMaintainer,
+    onvif: OnvifController,
     plus_api: PlusApi,
 ):
     app = Flask(__name__)
@@ -77,6 +79,7 @@ def create_app(
     app.stats_tracking = stats_tracking
     app.detected_frames_processor = detected_frames_processor
     app.storage_maintainer = storage_maintainer
+    app.onvif = onvif
     app.plus_api = plus_api
     app.camera_error_image = None
     app.hwaccel_errors = []
@@ -994,6 +997,14 @@ def mjpeg_feed(camera_name):
         return "Camera named {} not found".format(camera_name), 404
 
 
+@bp.route("/<camera_name>/ptz/info")
+def camera_ptz_info(camera_name):
+    if camera_name in current_app.frigate_config.cameras:
+        return jsonify(current_app.onvif.get_camera_info(camera_name))
+    else:
+        return "Camera named {} not found".format(camera_name), 404
+
+
 @bp.route("/<camera_name>/latest.jpg")
 def latest_frame(camera_name):
     draw_options = {