Support --audio-format=opus

youtube_dl/PostProcessor.py

@@ -132,7 +132,7 @@ class FFmpegExtractAudioPP(PostProcessor):
                 acodec = 'copy'
                 extension = self._preferredcodec
                 more_opts = [self._exes['avconv'] and '-bsf:a' or '-absf', 'aac_adtstoasc']
-            elif filecodec in ['aac', 'mp3', 'vorbis']:
+            elif filecodec in ['aac', 'mp3', 'vorbis', 'opus']:
                 # Lossless if possible
                 acodec = 'copy'
                 extension = filecodec
@@ -152,7 +152,7 @@ class FFmpegExtractAudioPP(PostProcessor):
                         more_opts += [self._exes['avconv'] and '-b:a' or '-ab', self._preferredquality + 'k']
         else:
             # We convert the audio (lossy)
-            acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
+            acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'opus': 'opus', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
             extension = self._preferredcodec
             more_opts = []
             if self._preferredquality is not None:

youtube_dl/__init__.py

@@ -248,7 +248,7 @@ def parseOpts():
     postproc.add_option('-x', '--extract-audio', action='store_true', dest='extractaudio', default=False,
             help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
     postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
-            help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
+            help='"best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; best by default')
     postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
             help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
     postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
@@ -370,7 +370,7 @@ def _real_main():
     except (TypeError, ValueError) as err:
         parser.error(u'invalid playlist end number specified')
     if opts.extractaudio:
-        if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
+        if opts.audioformat not in ['best', 'aac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']:
             parser.error(u'invalid audio format specified')
     if opts.audioquality:
         opts.audioquality = opts.audioquality.strip('k').strip('K')