+ downloader.add_option(
+ '--xattr-set-filesize',
+ dest='xattr_set_filesize', action='store_true',
+ help='Set file xattribute ytdl.filesize with expected filesize (experimental)')
+ downloader.add_option(
+ '--hls-prefer-native',
+ dest='hls_prefer_native', action='store_true',
+ help='Use the native HLS downloader instead of ffmpeg (experimental)')
+ downloader.add_option(
+ '--hls-use-mpegts',
+ dest='hls_use_mpegts', action='store_true',
+ help='Use the mpegts container for HLS videos, allowing to play the '
+ 'video while downloading (some players may not be able to play it)')
+ downloader.add_option(
+ '--external-downloader',
+ dest='external_downloader', metavar='COMMAND',
+ help='Use the specified external downloader. '
+ 'Currently supports %s' % ','.join(list_external_downloaders()))
+ downloader.add_option(
+ '--external-downloader-args',
+ dest='external_downloader_args', metavar='ARGS',
+ help='Give these arguments to the external downloader')