Configurable ffmpeg (#13722)

* Install multiple ffmpeg versions and add config to make it configurable

* Update docs

* Run ffprobe too

* Cleanup

* Apply config to go2rtc as well

* Fix ffmpeg bin

* Docs

* Restore path

* Cleanup env var

* Fix ffmpeg path for encoding

* Fix export

* Formatting

frigate/record/maintainer.py

@@ -209,7 +209,9 @@ class RecordingMaintainer(threading.Thread):
         if cache_path in self.end_time_cache:
             end_time, duration = self.end_time_cache[cache_path]
         else:
-            segment_info = await get_video_properties(cache_path, get_duration=True)
+            segment_info = await get_video_properties(
+                self.config.ffmpeg, cache_path, get_duration=True
+            )
 
             if segment_info["duration"]:
                 duration = float(segment_info["duration"])
@@ -387,7 +389,7 @@ class RecordingMaintainer(threading.Thread):
 
                 # add faststart to kept segments to improve metadata reading
                 p = await asyncio.create_subprocess_exec(
-                    "ffmpeg",
+                    self.config.ffmpeg.ffmpeg_path,
                     "-hide_banner",
                     "-y",
                     "-i",