Autodetect format when transcoding files

api/funkwhale_api/music/models.py

@@ -855,8 +855,7 @@ class Upload(models.Model):
         if not input:
             return
 
-        input_format = utils.MIMETYPE_TO_EXTENSION[self.mimetype]
-        audio = pydub.AudioSegment.from_file(input, format=input_format)
+        audio = pydub.AudioSegment.from_file(input)
         return audio
 
     def save(self, **kwargs):

api/funkwhale_api/music/utils.py

@@ -101,7 +101,7 @@ def get_actor_from_request(request):
     return actor
 
 
-def transcode_file(input, output, input_format, output_format, **kwargs):
+def transcode_file(input, output, input_format=None, output_format="mp3", **kwargs):
     with input.open("rb"):
         audio = pydub.AudioSegment.from_file(input, format=input_format)
     return transcode_audio(audio, output, output_format, **kwargs)

changes/changelog.d/1274.bugfix

+Changed audio format detection to happen via sniffing and not file extensions (#1274)