Update app.py

app.py

@@ -77,9 +77,9 @@ async def convert_video_task(input_path, downscale, faster, use_mp3, audio_only,
         ]
     
     if custom_bitrate:
-            ffmpeg_video_cmd += ['-b:v', f"{int(video_bitrate)}k"]
-        else:
-            ffmpeg_video_cmd += video_base_opts
+        ffmpeg_video_cmd += ['-b:v', f"{int(video_bitrate)}k"]
+    else:
+        ffmpeg_video_cmd += video_base_opts
         
     if faster:
              ffmpeg_video_cmd.extend(['-preset', 'ultrafast'])