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[downloader/ffmpeg] Support for DASH manifests (experimental) 

Closes #159
This commit is contained in:
pukkandan 2021-08-24 05:42:45 +05:30
parent 330690a214
commit 6251555f1c
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GPG Key ID: 0F00D95A001F4698
4 changed files with 16 additions and 10 deletions
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4
yt_dlp/downloader/__init__.py
View File

@ -94,6 +94,10 @@ def _get_suitable_downloader(info_dict, params, default):
if ed.can_download(info_dict, external_downloader):
return ed
if protocol == 'http_dash_segments':
if info_dict.get('is_live') and external_downloader.lower() != 'native':
return FFmpegFD
if protocol in ('m3u8', 'm3u8_native'):
if info_dict.get('is_live'):
return FFmpegFD

15
yt_dlp/downloader/external.py
View File

@ -342,7 +342,7 @@ class HttpieFD(ExternalFD):
class FFmpegFD(ExternalFD):
SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'm3u8', 'm3u8_native', 'rtsp', 'rtmp', 'rtmp_ffmpeg', 'mms')
SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'm3u8', 'm3u8_native', 'rtsp', 'rtmp', 'rtmp_ffmpeg', 'mms', 'http_dash_segments')
can_download_to_stdout = True
@classmethod
@ -462,12 +462,11 @@ class FFmpegFD(ExternalFD):
args += self._configuration_args((f'_i{i + 1}', '_i')) + ['-i', url]
args += ['-c', 'copy']
if info_dict.get('requested_formats'):
for (i, fmt) in enumerate(info_dict['requested_formats']):
if fmt.get('acodec') != 'none':
args.extend(['-map', '%d:a:0' % i])
if fmt.get('vcodec') != 'none':
args.extend(['-map', '%d:v:0' % i])
if info_dict.get('requested_formats') or protocol == 'http_dash_segments':
for (i, fmt) in enumerate(info_dict.get('requested_formats') or [info_dict]):
stream_number = fmt.get('manifest_stream_number', 0)
a_or_v = 'a' if fmt.get('acodec') != 'none' else 'v'
args.extend(['-map', f'{i}:{a_or_v}:{stream_number}'])
if self.params.get('test', False):
args += ['-fs', compat_str(self._TEST_FILE_SIZE)]
@ -490,7 +489,7 @@ class FFmpegFD(ExternalFD):
else:
args += ['-f', EXT_TO_OUT_FORMATS.get(ext, ext)]
args += self._configuration_args((f'_o1', '_o', ''))
args += self._configuration_args(('_o1', '_o', ''))
args = [encodeArgument(opt) for opt in args]
args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))

6
yt_dlp/extractor/common.py
View File

@ -2584,8 +2584,8 @@ class InfoExtractor(object):
return ms_info
mpd_duration = parse_duration(mpd_doc.get('mediaPresentationDuration'))
formats = []
subtitles = {}
formats, subtitles = [], {}
stream_numbers = {'audio': 0, 'video': 0}
for period in mpd_doc.findall(_add_ns('Period')):
period_duration = parse_duration(period.get('duration')) or mpd_duration
period_ms_info = extract_multisegment_info(period, {
@ -2647,8 +2647,10 @@ class InfoExtractor(object):
'format_note': 'DASH %s' % content_type,
'filesize': filesize,
'container': mimetype2ext(mime_type) + '_dash',
'manifest_stream_number': stream_numbers[content_type]
}
f.update(parse_codecs(codecs))
stream_numbers[content_type] += 1
elif content_type == 'text':
f = {
'ext': mimetype2ext(mime_type),

1
yt_dlp/utils.py
View File

@ -4987,6 +4987,7 @@ def cli_configuration_args(argdict, keys, default=[], use_compat=True):
return [arg for args in arg_list for arg in args]
return default
def _configuration_args(main_key, argdict, exe, keys=None, default=[], use_compat=True):
main_key, exe = main_key.lower(), exe.lower()
root_key = exe if main_key == exe else f'{main_key}+{exe}'