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Merge pull request #6097 from dstftw/union-itags-from-multiple-dashmpd
[youtube] Extract formats from multiple DASH manifests (Closes #6093)
This commit is contained in:
Sergey M.
commit
c608ee491f
@ -520,6 +520,20 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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'skip_download': 'requires avconv',
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}
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},
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# Extraction from multiple DASH manifests (https://github.com/rg3/youtube-dl/pull/6097)
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{
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'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
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'info_dict': {
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'id': 'FIl7x6_3R5Y',
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'ext': 'mp4',
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'title': 'md5:7b81415841e02ecd4313668cde88737a',
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'description': 'md5:116377fd2963b81ec4ce64b542173306',
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'upload_date': '20150625',
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'uploader_id': 'dorappi2000',
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'uploader': 'dorappi2000',
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'formats': 'mincount:33',
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},
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}
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]
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def __init__(self, *args, **kwargs):
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@ -855,6 +869,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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else:
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player_url = None
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dash_mpds = []
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def add_dash_mpd(video_info):
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dash_mpd = video_info.get('dashmpd')
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if dash_mpd and dash_mpd[0] not in dash_mpds:
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dash_mpds.append(dash_mpd[0])
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# Get video info
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embed_webpage = None
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if re.search(r'player-age-gate-content">', video_webpage) is not None:
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@ -875,24 +896,29 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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note='Refetching age-gated info webpage',
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errnote='unable to download video info webpage')
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video_info = compat_parse_qs(video_info_webpage)
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add_dash_mpd(video_info)
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else:
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age_gate = False
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try:
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video_info = None
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# Try looking directly into the video webpage
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mobj = re.search(r';ytplayer\.config\s*=\s*({.*?});', video_webpage)
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if not mobj:
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raise ValueError('Could not find ytplayer.config') # caught below
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if mobj:
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json_code = uppercase_escape(mobj.group(1))
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ytplayer_config = json.loads(json_code)
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args = ytplayer_config['args']
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if args.get('url_encoded_fmt_stream_map'):
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# Convert to the same format returned by compat_parse_qs
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video_info = dict((k, [v]) for k, v in args.items())
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if not args.get('url_encoded_fmt_stream_map'):
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raise ValueError('No stream_map present') # caught below
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except ValueError:
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# We fallback to the get_video_info pages (used by the embed page)
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add_dash_mpd(video_info)
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if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
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# We also try looking in get_video_info since it may contain different dashmpd
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# URL that points to a DASH manifest with possibly different itag set (some itags
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# are missing from DASH manifest pointed by webpage's dashmpd, some - from DASH
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# manifest pointed by get_video_info's dashmpd).
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# The general idea is to take a union of itags of both DASH manifests (for example
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# video with such 'manifest behavior' see https://github.com/rg3/youtube-dl/issues/6093)
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self.report_video_info_webpage_download(video_id)
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for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
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for el_type in ['&el=info', '&el=embedded', '&el=detailpage', '&el=vevo', '']:
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video_info_url = (
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'%s://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
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% (proto, video_id, el_type))
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@ -900,8 +926,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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video_info_url,
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video_id, note=False,
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errnote='unable to download video info webpage')
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video_info = compat_parse_qs(video_info_webpage)
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if 'token' in video_info:
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get_video_info = compat_parse_qs(video_info_webpage)
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add_dash_mpd(get_video_info)
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if not video_info:
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video_info = get_video_info
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if 'token' in get_video_info:
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break
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if 'token' not in video_info:
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if 'reason' in video_info:
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@ -1125,24 +1154,25 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
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# Look for the DASH manifest
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if self._downloader.params.get('youtube_include_dash_manifest', True):
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dash_mpd = video_info.get('dashmpd')
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if dash_mpd:
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dash_manifest_url = dash_mpd[0]
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for dash_manifest_url in dash_mpds:
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dash_formats = {}
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try:
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dash_formats = self._parse_dash_manifest(
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video_id, dash_manifest_url, player_url, age_gate)
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for df in self._parse_dash_manifest(
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video_id, dash_manifest_url, player_url, age_gate):
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# Do not overwrite DASH format found in some previous DASH manifest
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if df['format_id'] not in dash_formats:
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dash_formats[df['format_id']] = df
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except (ExtractorError, KeyError) as e:
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self.report_warning(
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'Skipping DASH manifest: %r' % e, video_id)
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else:
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if dash_formats:
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# Remove the formats we found through non-DASH, they
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# contain less info and it can be wrong, because we use
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# fixed values (for example the resolution). See
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# https://github.com/rg3/youtube-dl/issues/5774 for an
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# example.
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dash_keys = set(df['format_id'] for df in dash_formats)
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formats = [f for f in formats if f['format_id'] not in dash_keys]
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formats.extend(dash_formats)
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formats = [f for f in formats if f['format_id'] not in dash_formats.keys()]
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formats.extend(dash_formats.values())
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# Check for malformed aspect ratio
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stretched_m = re.search(
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@ -346,7 +346,7 @@ def parseOpts(overrideArguments=None):
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video_format.add_option(
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'--youtube-skip-dash-manifest',
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action='store_false', dest='youtube_include_dash_manifest',
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help='Do not download the DASH manifest on YouTube videos')
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help='Do not download the DASH manifests and related data on YouTube videos')
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video_format.add_option(
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'--merge-output-format',
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action='store', dest='merge_output_format', metavar='FORMAT', default=None,
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