'--youtube-skip-dash-manifest',
action='store_false', dest='youtube_include_dash_manifest',
help='Do not download the DASH manifest on YouTube videos')
+ video_format.add_option(
+ '--merge-output-format',
+ action='store', dest='merge_output_format', metavar='FORMAT' ,default=None,
+ help=(
+ 'If a merge is required (e.g. bestvideo+bestaudio), output to given container format (e.g. mkv, mp4, ogg, webm, flv) '
+ 'Ignored if no merge is required'))
subtitles = optparse.OptionGroup(parser, 'Subtitle Options')
subtitles.add_option(