postproc.add_option('--embed-subs', action='store_true', dest='embedsubtitles', default=False,
help='embed subtitles in the video (only for mp4 videos)')
postproc.add_option('--add-metadata', action='store_true', dest='addmetadata', default=False,
postproc.add_option('--embed-subs', action='store_true', dest='embedsubtitles', default=False,
help='embed subtitles in the video (only for mp4 videos)')
postproc.add_option('--add-metadata', action='store_true', dest='addmetadata', default=False,