When using the mpegts container hls vidoes can be played while being downloaded (useful if you are recording a live stream).
VLC and mpv play them file, but QuickTime doesn't.
the downloader (see youtube_dl/downloader/common.py):
nopart, updatetime, buffersize, ratelimit, min_filesize, max_filesize, test,
noresizebuffer, retries, continuedl, noprogress, consoletitle,
- xattr_set_filesize, external_downloader_args.
+ xattr_set_filesize, external_downloader_args, hls_use_mpegts.
The following options are used by the post processors:
prefer_ffmpeg: If True, use ffmpeg instead of avconv if both are available,
'no_color': opts.no_color,
'ffmpeg_location': opts.ffmpeg_location,
'hls_prefer_native': opts.hls_prefer_native,
+ 'hls_use_mpegts': opts.hls_use_mpegts,
'external_downloader_args': external_downloader_args,
'postprocessor_args': postprocessor_args,
'cn_verification_proxy': opts.cn_verification_proxy,
(experimental)
external_downloader_args: A list of additional command-line arguments for the
external downloader.
+ hls_use_mpegts: Use the mpegts container for HLS videos.
Subclasses of this one must re-define the real_download method.
"""
'-headers',
''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
- args += ['-i', url, '-f', 'mp4', '-c', 'copy', '-bsf:a', 'aac_adtstoasc']
+ args += ['-i', url, '-c', 'copy']
+ if self.params.get('hls_use_mpegts', False):
+ args += ['-f', 'mpegts']
+ else:
+ args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
args = [encodeArgument(opt) for opt in args]
args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
'--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',