Feature: automatic camera resolution configuration (#6810)

* Add auto configuration for height, width and fps in detect role

* Add auto-configuration for detect width, height, and fps for input roles with detect in the CameraConfig class in config.py

* Refactor code to retrieve video properties from input stream in CameraConfig class and add optional parameter to retrieve video duration in get_video_properties function

* format

* Set default detect dimensions to 1280x720 and update DetectConfig to use the defaults

* Revert "Set default detect dimensions to 1280x720 and update DetectConfig to use the defaults"

This reverts commit a1aed0414d75a6db0a826c08359740764c4861e5.

* Add default detect dimensions if autoconfiguration failed and log a warning message

* fix warn message spelling on frigate/config.py

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* Ensure detect height and width are not None before using them in camera configuration

* docs: initial commit

* rename streamInfo to stream_info

Co-authored-by: Blake Blackshear <blakeb@blakeshome.com>

* Apply suggestions from code review

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

* Update docs

* handle case then get_video_properties returns 0x0 dimension

* Set detect resolution based on stream properties if available, else apply default values

* Update FrigateConfig to set default values for stream_info if resolution detection fails

* Update camera detection dimensions based on stream information if available

---------

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>
Co-authored-by: Blake Blackshear <blakeb@blakeshome.com>

docs/docs/development/contributing.md

@@ -68,10 +68,6 @@ cameras:
           input_args: -re -stream_loop -1 -fflags +genpts
           roles:
             - detect
-    detect:
-      height: 1080
-      width: 1920
-      fps: 5
 ```
 
 These input args tell ffmpeg to read the mp4 file in an infinite loop. You can use any valid ffmpeg input here.