diff --git a/youtube_dl/PostProcessor.py b/youtube_dl/PostProcessor.py index 0479591f0..039e01498 100644 --- a/youtube_dl/PostProcessor.py +++ b/youtube_dl/PostProcessor.py @@ -180,7 +180,8 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor): extension = self._preferredcodec more_opts = [] if self._preferredquality is not None: - if int(self._preferredquality) < 10: + # The opus codec doesn't support the -aq option + if int(self._preferredquality) < 10 and extension != 'opus': more_opts += [self._exes['avconv'] and '-q:a' or '-aq', self._preferredquality] else: more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality + 'k']