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,
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,