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/util/services.py

@@ -378,11 +378,11 @@ def get_jetson_stats() -> dict[int, dict]:
     return results
 
 
-def ffprobe_stream(path: str) -> sp.CompletedProcess:
+def ffprobe_stream(ffmpeg, path: str) -> sp.CompletedProcess:
     """Run ffprobe on stream."""
     clean_path = escape_special_characters(path)
     ffprobe_cmd = [
-        "ffprobe",
+        ffmpeg.ffprobe_path,
         "-timeout",
         "1000000",
         "-print_format",
@@ -438,7 +438,9 @@ def auto_detect_hwaccel() -> str:
     return ""
 
 
-async def get_video_properties(url, get_duration=False) -> dict[str, any]:
+async def get_video_properties(
+    ffmpeg, url: str, get_duration: bool = False
+) -> dict[str, any]:
     async def calculate_duration(video: Optional[any]) -> float:
         duration = None
 
@@ -453,7 +455,7 @@ async def get_video_properties(url, get_duration=False) -> dict[str, any]:
         # if cv2 failed need to use ffprobe
         if duration is None:
             p = await asyncio.create_subprocess_exec(
-                "ffprobe",
+                ffmpeg.ffprobe_path,
                 "-v",
                 "error",
                 "-show_entries",