System page improvements (#4707)

* Catch case where camera is disabled

* Add ffprobe timeout and catch case where camera is disabled

frigate/http.py

@@ -1178,6 +1178,11 @@ def ffprobe():
                 {"success": False, "message": f"{camera} is not a valid camera."}, "404"
             )
 
+        if not current_app.frigate_config.cameras[camera].enabled:
+            return jsonify(
+                {"success": False, "message": f"{camera} is not enabled."}, "404"
+            )
+
         paths = map(
             lambda input: input.path,
             current_app.frigate_config.cameras[camera].ffmpeg.inputs,

frigate/util.py

@@ -883,6 +883,8 @@ def ffprobe_stream(path: str) -> sp.CompletedProcess:
     clean_path = escape_special_characters(path)
     ffprobe_cmd = [
         "ffprobe",
+        "-timeout",
+        "1000000",
         "-print_format",
         "json",
         "-show_entries",