--audio-format FORMAT "best", "aac", "vorbis", "mp3", "m4a", or "wav";
best by default
--audio-quality QUALITY ffmpeg/avconv audio quality specification, insert a
- value between 0 (highest) and 9 (lowest) or a
- specific bitrate like 128 (default 5)
+ value between 0 (better) and 9 (worse) for VBR or a
+ specific bitrate like 128K (default 5)
-k, --keep-video keeps the video file on disk after the post-
processing; the video is erased by default
postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
help='"best", "aac", "vorbis", "mp3", "m4a", 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 (highest) and 9 (lowest) or a specific bitrate like 128 (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,
help='keeps the video file on disk after the post-processing; the video is erased by default')
if opts.extractaudio:
if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
parser.error(u'invalid audio format specified')
+ if opts.audioquality:
+ opts.audioquality = opts.audioquality.strip('k').strip('K')
+ if not opts.audioquality.isdigit():
+ parser.error(u'invalid audio quality specified')
# File downloader
fd = FileDownloader({