yt_dlp/extractor/ard.py

   1 import re
   2 from functools import partial
   3
   4 from .common import InfoExtractor
   5 from ..utils import (
   6     OnDemandPagedList,
   7     bug_reports_message,
   8     determine_ext,
   9     int_or_none,
  10     join_nonempty,
  11     make_archive_id,
  12     parse_duration,
  13     parse_iso8601,
  14     remove_start,
  15     str_or_none,
  16     unified_strdate,
  17     update_url_query,
  18     url_or_none,
  19     xpath_text,
  20 )
  21 from ..utils.traversal import traverse_obj
  22
  23
  24 class ARDMediathekBaseIE(InfoExtractor):
  25     _GEO_COUNTRIES = ['DE']
  26
  27     def _extract_media_info(self, media_info_url, webpage, video_id):
  28         media_info = self._download_json(
  29             media_info_url, video_id, 'Downloading media JSON')
  30         return self._parse_media_info(media_info, video_id, '"fsk"' in webpage)
  31
  32     def _parse_media_info(self, media_info, video_id, fsk):
  33         formats = self._extract_formats(media_info, video_id)
  34
  35         if not formats:
  36             if fsk:
  37                 self.raise_no_formats(
  38                     'This video is only available after 20:00', expected=True)
  39             elif media_info.get('_geoblocked'):
  40                 self.raise_geo_restricted(
  41                     'This video is not available due to geoblocking',
  42                     countries=self._GEO_COUNTRIES, metadata_available=True)
  43
  44         subtitles = {}
  45         subtitle_url = media_info.get('_subtitleUrl')
  46         if subtitle_url:
  47             subtitles['de'] = [{
  48                 'ext': 'ttml',
  49                 'url': subtitle_url,
  50             }, {
  51                 'ext': 'vtt',
  52                 'url': subtitle_url.replace('/ebutt/', '/webvtt/') + '.vtt',
  53             }]
  54
  55         return {
  56             'id': video_id,
  57             'duration': int_or_none(media_info.get('_duration')),
  58             'thumbnail': media_info.get('_previewImage'),
  59             'is_live': media_info.get('_isLive') is True,
  60             'formats': formats,
  61             'subtitles': subtitles,
  62         }
  63
  64     def _extract_formats(self, media_info, video_id):
  65         type_ = media_info.get('_type')
  66         media_array = media_info.get('_mediaArray', [])
  67         formats = []
  68         for num, media in enumerate(media_array):
  69             for stream in media.get('_mediaStreamArray', []):
  70                 stream_urls = stream.get('_stream')
  71                 if not stream_urls:
  72                     continue
  73                 if not isinstance(stream_urls, list):
  74                     stream_urls = [stream_urls]
  75                 quality = stream.get('_quality')
  76                 server = stream.get('_server')
  77                 for stream_url in stream_urls:
  78                     if not url_or_none(stream_url):
  79                         continue
  80                     ext = determine_ext(stream_url)
  81                     if quality != 'auto' and ext in ('f4m', 'm3u8'):
  82                         continue
  83                     if ext == 'f4m':
  84                         formats.extend(self._extract_f4m_formats(
  85                             update_url_query(stream_url, {
  86                                 'hdcore': '3.1.1',
  87                                 'plugin': 'aasp-3.1.1.69.124'
  88                             }), video_id, f4m_id='hds', fatal=False))
  89                     elif ext == 'm3u8':
  90                         formats.extend(self._extract_m3u8_formats(
  91                             stream_url, video_id, 'mp4', 'm3u8_native',
  92                             m3u8_id='hls', fatal=False))
  93                     else:
  94                         if server and server.startswith('rtmp'):
  95                             f = {
  96                                 'url': server,
  97                                 'play_path': stream_url,
  98                                 'format_id': 'a%s-rtmp-%s' % (num, quality),
  99                             }
 100                         else:
 101                             f = {
 102                                 'url': stream_url,
 103                                 'format_id': 'a%s-%s-%s' % (num, ext, quality)
 104                             }
 105                         m = re.search(
 106                             r'_(?P<width>\d+)x(?P<height>\d+)\.mp4$',
 107                             stream_url)
 108                         if m:
 109                             f.update({
 110                                 'width': int(m.group('width')),
 111                                 'height': int(m.group('height')),
 112                             })
 113                         if type_ == 'audio':
 114                             f['vcodec'] = 'none'
 115                         formats.append(f)
 116         return formats
 117
 118
 119 class ARDIE(InfoExtractor):
 120     _VALID_URL = r'(?P<mainurl>https?://(?:www\.)?daserste\.de/(?:[^/?#&]+/)+(?P<id>[^/?#&]+))\.html'
 121     _TESTS = [{
 122         # available till 7.12.2023
 123         'url': 'https://www.daserste.de/information/talk/maischberger/videos/maischberger-video-424.html',
 124         'md5': '94812e6438488fb923c361a44469614b',
 125         'info_dict': {
 126             'id': 'maischberger-video-424',
 127             'display_id': 'maischberger-video-424',
 128             'ext': 'mp4',
 129             'duration': 4452.0,
 130             'title': 'maischberger am 07.12.2022',
 131             'upload_date': '20221207',
 132             'thumbnail': r're:^https?://.*\.jpg$',
 133         },
 134     }, {
 135         'url': 'https://www.daserste.de/information/politik-weltgeschehen/morgenmagazin/videosextern/dominik-kahun-aus-der-nhl-direkt-zur-weltmeisterschaft-100.html',
 136         'only_matching': True,
 137     }, {
 138         'url': 'https://www.daserste.de/information/nachrichten-wetter/tagesthemen/videosextern/tagesthemen-17736.html',
 139         'only_matching': True,
 140     }, {
 141         'url': 'https://www.daserste.de/unterhaltung/serie/in-aller-freundschaft-die-jungen-aerzte/videos/diversity-tag-sanam-afrashteh100.html',
 142         'only_matching': True,
 143     }, {
 144         'url': 'http://www.daserste.de/information/reportage-dokumentation/dokus/videos/die-story-im-ersten-mission-unter-falscher-flagge-100.html',
 145         'only_matching': True,
 146     }, {
 147         'url': 'https://www.daserste.de/unterhaltung/serie/in-aller-freundschaft-die-jungen-aerzte/Drehpause-100.html',
 148         'only_matching': True,
 149     }, {
 150         'url': 'https://www.daserste.de/unterhaltung/film/filmmittwoch-im-ersten/videos/making-ofwendezeit-video-100.html',
 151         'only_matching': True,
 152     }]
 153
 154     def _real_extract(self, url):
 155         mobj = self._match_valid_url(url)
 156         display_id = mobj.group('id')
 157
 158         player_url = mobj.group('mainurl') + '~playerXml.xml'
 159         doc = self._download_xml(player_url, display_id)
 160         video_node = doc.find('./video')
 161         upload_date = unified_strdate(xpath_text(
 162             video_node, './broadcastDate'))
 163         thumbnail = xpath_text(video_node, './/teaserImage//variant/url')
 164
 165         formats = []
 166         for a in video_node.findall('.//asset'):
 167             file_name = xpath_text(a, './fileName', default=None)
 168             if not file_name:
 169                 continue
 170             format_type = a.attrib.get('type')
 171             format_url = url_or_none(file_name)
 172             if format_url:
 173                 ext = determine_ext(file_name)
 174                 if ext == 'm3u8':
 175                     formats.extend(self._extract_m3u8_formats(
 176                         format_url, display_id, 'mp4', entry_protocol='m3u8_native',
 177                         m3u8_id=format_type or 'hls', fatal=False))
 178                     continue
 179                 elif ext == 'f4m':
 180                     formats.extend(self._extract_f4m_formats(
 181                         update_url_query(format_url, {'hdcore': '3.7.0'}),
 182                         display_id, f4m_id=format_type or 'hds', fatal=False))
 183                     continue
 184             f = {
 185                 'format_id': format_type,
 186                 'width': int_or_none(xpath_text(a, './frameWidth')),
 187                 'height': int_or_none(xpath_text(a, './frameHeight')),
 188                 'vbr': int_or_none(xpath_text(a, './bitrateVideo')),
 189                 'abr': int_or_none(xpath_text(a, './bitrateAudio')),
 190                 'vcodec': xpath_text(a, './codecVideo'),
 191                 'tbr': int_or_none(xpath_text(a, './totalBitrate')),
 192             }
 193             server_prefix = xpath_text(a, './serverPrefix', default=None)
 194             if server_prefix:
 195                 f.update({
 196                     'url': server_prefix,
 197                     'playpath': file_name,
 198                 })
 199             else:
 200                 if not format_url:
 201                     continue
 202                 f['url'] = format_url
 203             formats.append(f)
 204
 205         _SUB_FORMATS = (
 206             ('./dataTimedText', 'ttml'),
 207             ('./dataTimedTextNoOffset', 'ttml'),
 208             ('./dataTimedTextVtt', 'vtt'),
 209         )
 210
 211         subtitles = {}
 212         for subsel, subext in _SUB_FORMATS:
 213             for node in video_node.findall(subsel):
 214                 subtitles.setdefault('de', []).append({
 215                     'url': node.attrib['url'],
 216                     'ext': subext,
 217                 })
 218
 219         return {
 220             'id': xpath_text(video_node, './videoId', default=display_id),
 221             'formats': formats,
 222             'subtitles': subtitles,
 223             'display_id': display_id,
 224             'title': video_node.find('./title').text,
 225             'duration': parse_duration(video_node.find('./duration').text),
 226             'upload_date': upload_date,
 227             'thumbnail': thumbnail,
 228         }
 229
 230
 231 class ARDBetaMediathekIE(InfoExtractor):
 232     IE_NAME = 'ARDMediathek'
 233     _VALID_URL = r'''(?x)https://
 234         (?:(?:beta|www)\.)?ardmediathek\.de/
 235         (?:[^/]+/)?
 236         (?:player|live|video)/
 237         (?:[^?#]+/)?
 238         (?P<id>[a-zA-Z0-9]+)
 239         /?(?:[?#]|$)'''
 240     _GEO_COUNTRIES = ['DE']
 241
 242     _TESTS = [{
 243         'url': 'https://www.ardmediathek.de/video/filme-im-mdr/liebe-auf-vier-pfoten/mdr-fernsehen/Y3JpZDovL21kci5kZS9zZW5kdW5nLzI4MjA0MC80MjIwOTEtNDAyNTM0',
 244         'md5': 'b6e8ab03f2bcc6e1f9e6cef25fcc03c4',
 245         'info_dict': {
 246             'display_id': 'Y3JpZDovL21kci5kZS9zZW5kdW5nLzI4MjA0MC80MjIwOTEtNDAyNTM0',
 247             'id': '12939099',
 248             'title': 'Liebe auf vier Pfoten',
 249             'description': r're:^Claudia Schmitt, Anwältin in Salzburg',
 250             'duration': 5222,
 251             'thumbnail': 'https://api.ardmediathek.de/image-service/images/urn:ard:image:aee7cbf8f06de976?w=960&ch=ae4d0f2ee47d8b9b',
 252             'timestamp': 1701343800,
 253             'upload_date': '20231130',
 254             'ext': 'mp4',
 255             'episode': 'Liebe auf vier Pfoten',
 256             'series': 'Filme im MDR',
 257             'age_limit': 0,
 258             'channel': 'MDR',
 259             '_old_archive_ids': ['ardbetamediathek Y3JpZDovL21kci5kZS9zZW5kdW5nLzI4MjA0MC80MjIwOTEtNDAyNTM0'],
 260         },
 261     }, {
 262         'url': 'https://www.ardmediathek.de/mdr/video/die-robuste-roswita/Y3JpZDovL21kci5kZS9iZWl0cmFnL2Ntcy84MWMxN2MzZC0wMjkxLTRmMzUtODk4ZS0wYzhlOWQxODE2NGI/',
 263         'md5': 'a1dc75a39c61601b980648f7c9f9f71d',
 264         'info_dict': {
 265             'display_id': 'die-robuste-roswita',
 266             'id': '78566716',
 267             'title': 'Die robuste Roswita',
 268             'description': r're:^Der Mord.*totgeglaubte Ehefrau Roswita',
 269             'duration': 5316,
 270             'thumbnail': 'https://img.ardmediathek.de/standard/00/78/56/67/84/575672121/16x9/960?mandant=ard',
 271             'timestamp': 1596658200,
 272             'upload_date': '20200805',
 273             'ext': 'mp4',
 274         },
 275         'skip': 'Error',
 276     }, {
 277         'url': 'https://www.ardmediathek.de/video/tagesschau-oder-tagesschau-20-00-uhr/das-erste/Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhZ2Vzc2NoYXUvZmM4ZDUxMjgtOTE0ZC00Y2MzLTgzNzAtNDZkNGNiZWJkOTll',
 278         'md5': '1e73ded21cb79bac065117e80c81dc88',
 279         'info_dict': {
 280             'id': '10049223',
 281             'ext': 'mp4',
 282             'title': 'tagesschau, 20:00 Uhr',
 283             'timestamp': 1636398000,
 284             'description': 'md5:39578c7b96c9fe50afdf5674ad985e6b',
 285             'upload_date': '20211108',
 286             'display_id': 'Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhZ2Vzc2NoYXUvZmM4ZDUxMjgtOTE0ZC00Y2MzLTgzNzAtNDZkNGNiZWJkOTll',
 287             'duration': 915,
 288             'episode': 'tagesschau, 20:00 Uhr',
 289             'series': 'tagesschau',
 290             'thumbnail': 'https://api.ardmediathek.de/image-service/images/urn:ard:image:fbb21142783b0a49?w=960&ch=ee69108ae344f678',
 291             'channel': 'ARD-Aktuell',
 292             '_old_archive_ids': ['ardbetamediathek Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhZ2Vzc2NoYXUvZmM4ZDUxMjgtOTE0ZC00Y2MzLTgzNzAtNDZkNGNiZWJkOTll'],
 293         },
 294     }, {
 295         'url': 'https://www.ardmediathek.de/video/7-tage/7-tage-unter-harten-jungs/hr-fernsehen/N2I2YmM5MzgtNWFlOS00ZGFlLTg2NzMtYzNjM2JlNjk4MDg3',
 296         'md5': 'c428b9effff18ff624d4f903bda26315',
 297         'info_dict': {
 298             'id': '94834686',
 299             'ext': 'mp4',
 300             'duration': 2700,
 301             'episode': '7 Tage ... unter harten Jungs',
 302             'description': 'md5:0f215470dcd2b02f59f4bd10c963f072',
 303             'upload_date': '20231005',
 304             'timestamp': 1696491171,
 305             'display_id': 'N2I2YmM5MzgtNWFlOS00ZGFlLTg2NzMtYzNjM2JlNjk4MDg3',
 306             'series': '7 Tage ...',
 307             'channel': 'HR',
 308             'thumbnail': 'https://api.ardmediathek.de/image-service/images/urn:ard:image:f6e6d5ffac41925c?w=960&ch=fa32ba69bc87989a',
 309             'title': '7 Tage ... unter harten Jungs',
 310             '_old_archive_ids': ['ardbetamediathek N2I2YmM5MzgtNWFlOS00ZGFlLTg2NzMtYzNjM2JlNjk4MDg3'],
 311         },
 312     }, {
 313         'url': 'https://beta.ardmediathek.de/ard/video/Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhdG9ydC9mYmM4NGM1NC0xNzU4LTRmZGYtYWFhZS0wYzcyZTIxNGEyMDE',
 314         'only_matching': True,
 315     }, {
 316         'url': 'https://ardmediathek.de/ard/video/saartalk/saartalk-gesellschaftsgift-haltung-gegen-hass/sr-fernsehen/Y3JpZDovL3NyLW9ubGluZS5kZS9TVF84MTY4MA/',
 317         'only_matching': True,
 318     }, {
 319         'url': 'https://www.ardmediathek.de/ard/video/trailer/private-eyes-s01-e01/one/Y3JpZDovL3dkci5kZS9CZWl0cmFnLTE1MTgwYzczLWNiMTEtNGNkMS1iMjUyLTg5MGYzOWQxZmQ1YQ/',
 320         'only_matching': True,
 321     }, {
 322         'url': 'https://www.ardmediathek.de/ard/player/Y3JpZDovL3N3ci5kZS9hZXgvbzEwNzE5MTU/',
 323         'only_matching': True,
 324     }, {
 325         'url': 'https://www.ardmediathek.de/swr/live/Y3JpZDovL3N3ci5kZS8xMzQ4MTA0Mg',
 326         'only_matching': True,
 327     }, {
 328         'url': 'https://www.ardmediathek.de/video/coronavirus-update-ndr-info/astrazeneca-kurz-lockdown-und-pims-syndrom-81/ndr/Y3JpZDovL25kci5kZS84NzE0M2FjNi0wMWEwLTQ5ODEtOTE5NS1mOGZhNzdhOTFmOTI/',
 329         'only_matching': True,
 330     }]
 331
 332     def _extract_episode_info(self, title):
 333         patterns = [
 334             # Pattern for title like "Homo sapiens (S06/E07) - Originalversion"
 335             # from: https://www.ardmediathek.de/one/sendung/doctor-who/Y3JpZDovL3dkci5kZS9vbmUvZG9jdG9yIHdobw
 336             r'.*(?P<ep_info> \(S(?P<season_number>\d+)/E(?P<episode_number>\d+)\)).*',
 337             # E.g.: title="Fritjof aus Norwegen (2) (AD)"
 338             # from: https://www.ardmediathek.de/ard/sammlung/der-krieg-und-ich/68cMkqJdllm639Skj4c7sS/
 339             r'.*(?P<ep_info> \((?:Folge |Teil )?(?P<episode_number>\d+)(?:/\d+)?\)).*',
 340             r'.*(?P<ep_info>Folge (?P<episode_number>\d+)(?:\:| -|) )\"(?P<episode>.+)\".*',
 341             # E.g.: title="Folge 25/42: Symmetrie"
 342             # from: https://www.ardmediathek.de/ard/video/grips-mathe/folge-25-42-symmetrie/ard-alpha/Y3JpZDovL2JyLmRlL3ZpZGVvLzMyYzI0ZjczLWQ1N2MtNDAxNC05ZmZhLTFjYzRkZDA5NDU5OQ/
 343             # E.g.: title="Folge 1063 - Vertrauen"
 344             # from: https://www.ardmediathek.de/ard/sendung/die-fallers/Y3JpZDovL3N3ci5kZS8yMzAyMDQ4/
 345             r'.*(?P<ep_info>Folge (?P<episode_number>\d+)(?:/\d+)?(?:\:| -|) ).*',
 346             # As a fallback use the full title
 347             r'(?P<title>.*)',
 348         ]
 349
 350         return traverse_obj(patterns, (..., {partial(re.match, string=title)}, {
 351             'season_number': ('season_number', {int_or_none}),
 352             'episode_number': ('episode_number', {int_or_none}),
 353             'episode': ((
 354                 ('episode', {str_or_none}),
 355                 ('ep_info', {lambda x: title.replace(x, '')}),
 356                 ('title', {str}),
 357             ), {str.strip}),
 358         }), get_all=False)
 359
 360     def _real_extract(self, url):
 361         display_id = self._match_id(url)
 362
 363         page_data = self._download_json(
 364             f'https://api.ardmediathek.de/page-gateway/pages/ard/item/{display_id}', display_id, query={
 365                 'embedded': 'false',
 366                 'mcV6': 'true',
 367             })
 368
 369         # For user convenience we use the old contentId instead of the longer crid
 370         # Ref: https://github.com/yt-dlp/yt-dlp/issues/8731#issuecomment-1874398283
 371         old_id = traverse_obj(page_data, ('tracking', 'atiCustomVars', 'contentId', {int}))
 372         if old_id is not None:
 373             video_id = str(old_id)
 374             archive_ids = [make_archive_id(ARDBetaMediathekIE, display_id)]
 375         else:
 376             self.report_warning(f'Could not extract contentId{bug_reports_message()}')
 377             video_id = display_id
 378             archive_ids = None
 379
 380         player_data = traverse_obj(
 381             page_data, ('widgets', lambda _, v: v['type'] in ('player_ondemand', 'player_live'), {dict}), get_all=False)
 382         is_live = player_data.get('type') == 'player_live'
 383         media_data = traverse_obj(player_data, ('mediaCollection', 'embedded', {dict}))
 384
 385         if player_data.get('blockedByFsk'):
 386             self.raise_no_formats('This video is only available after 22:00', expected=True)
 387
 388         formats = []
 389         subtitles = {}
 390         for stream in traverse_obj(media_data, ('streams', ..., {dict})):
 391             kind = stream.get('kind')
 392             # Prioritize main stream over sign language and others
 393             preference = 1 if kind == 'main' else None
 394             for media in traverse_obj(stream, ('media', lambda _, v: url_or_none(v['url']))):
 395                 media_url = media['url']
 396
 397                 audio_kind = traverse_obj(media, (
 398                     'audios', 0, 'kind', {str}), default='').replace('standard', '')
 399                 lang_code = traverse_obj(media, ('audios', 0, 'languageCode', {str})) or 'deu'
 400                 lang = join_nonempty(lang_code, audio_kind)
 401                 language_preference = 10 if lang == 'deu' else -10
 402
 403                 if determine_ext(media_url) == 'm3u8':
 404                     fmts, subs = self._extract_m3u8_formats_and_subtitles(
 405                         media_url, video_id, m3u8_id=f'hls-{kind}', preference=preference, fatal=False, live=is_live)
 406                     for f in fmts:
 407                         f['language'] = lang
 408                         f['language_preference'] = language_preference
 409                     formats.extend(fmts)
 410                     self._merge_subtitles(subs, target=subtitles)
 411                 else:
 412                     formats.append({
 413                         'url': media_url,
 414                         'format_id': f'http-{kind}',
 415                         'preference': preference,
 416                         'language': lang,
 417                         'language_preference': language_preference,
 418                         **traverse_obj(media, {
 419                             'format_note': ('forcedLabel', {str}),
 420                             'width': ('maxHResolutionPx', {int_or_none}),
 421                             'height': ('maxVResolutionPx', {int_or_none}),
 422                             'vcodec': ('videoCodec', {str}),
 423                         }),
 424                     })
 425
 426         for sub in traverse_obj(media_data, ('subtitles', ..., {dict})):
 427             for sources in traverse_obj(sub, ('sources', lambda _, v: url_or_none(v['url']))):
 428                 subtitles.setdefault(sub.get('languageCode') or 'deu', []).append({
 429                     'url': sources['url'],
 430                     'ext': {'webvtt': 'vtt', 'ebutt': 'ttml'}.get(sources.get('kind')),
 431                 })
 432
 433         age_limit = traverse_obj(page_data, ('fskRating', {lambda x: remove_start(x, 'FSK')}, {int_or_none}))
 434         return {
 435             'id': video_id,
 436             'display_id': display_id,
 437             'formats': formats,
 438             'subtitles': subtitles,
 439             'is_live': is_live,
 440             'age_limit': age_limit,
 441             **traverse_obj(media_data, ('meta', {
 442                 'title': 'title',
 443                 'description': 'synopsis',
 444                 'timestamp': ('broadcastedOnDateTime', {parse_iso8601}),
 445                 'series': 'seriesTitle',
 446                 'thumbnail': ('images', 0, 'url', {url_or_none}),
 447                 'duration': ('durationSeconds', {int_or_none}),
 448                 'channel': 'clipSourceName',
 449             })),
 450             **self._extract_episode_info(page_data.get('title')),
 451             '_old_archive_ids': archive_ids,
 452         }
 453
 454
 455 class ARDMediathekCollectionIE(InfoExtractor):
 456     _VALID_URL = r'''(?x)https://
 457         (?:(?:beta|www)\.)?ardmediathek\.de/
 458         (?:[^/?#]+/)?
 459         (?P<playlist>sendung|serie|sammlung)/
 460         (?:(?P<display_id>[^?#]+?)/)?
 461         (?P<id>[a-zA-Z0-9]+)
 462         (?:/(?P<season>\d+)(?:/(?P<version>OV|AD))?)?/?(?:[?#]|$)'''
 463     _GEO_COUNTRIES = ['DE']
 464
 465     _TESTS = [{
 466         'url': 'https://www.ardmediathek.de/serie/quiz/staffel-1-originalversion/Y3JpZDovL3dkci5kZS9vbmUvcXVpeg/1/OV',
 467         'info_dict': {
 468             'id': 'Y3JpZDovL3dkci5kZS9vbmUvcXVpeg_1_OV',
 469             'display_id': 'quiz/staffel-1-originalversion',
 470             'title': 'Staffel 1 Originalversion',
 471         },
 472         'playlist_count': 3,
 473     }, {
 474         'url': 'https://www.ardmediathek.de/serie/babylon-berlin/staffel-4-mit-audiodeskription/Y3JpZDovL2Rhc2Vyc3RlLmRlL2JhYnlsb24tYmVybGlu/4/AD',
 475         'info_dict': {
 476             'id': 'Y3JpZDovL2Rhc2Vyc3RlLmRlL2JhYnlsb24tYmVybGlu_4_AD',
 477             'display_id': 'babylon-berlin/staffel-4-mit-audiodeskription',
 478             'title': 'Staffel 4 mit Audiodeskription',
 479         },
 480         'playlist_count': 12,
 481     }, {
 482         'url': 'https://www.ardmediathek.de/serie/babylon-berlin/staffel-1/Y3JpZDovL2Rhc2Vyc3RlLmRlL2JhYnlsb24tYmVybGlu/1/',
 483         'info_dict': {
 484             'id': 'Y3JpZDovL2Rhc2Vyc3RlLmRlL2JhYnlsb24tYmVybGlu_1',
 485             'display_id': 'babylon-berlin/staffel-1',
 486             'title': 'Staffel 1',
 487         },
 488         'playlist_count': 8,
 489     }, {
 490         'url': 'https://www.ardmediathek.de/sendung/tatort/Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhdG9ydA',
 491         'info_dict': {
 492             'id': 'Y3JpZDovL2Rhc2Vyc3RlLmRlL3RhdG9ydA',
 493             'display_id': 'tatort',
 494             'title': 'Tatort',
 495         },
 496         'playlist_mincount': 500,
 497     }, {
 498         'url': 'https://www.ardmediathek.de/sammlung/die-kirche-bleibt-im-dorf/5eOHzt8XB2sqeFXbIoJlg2',
 499         'info_dict': {
 500             'id': '5eOHzt8XB2sqeFXbIoJlg2',
 501             'display_id': 'die-kirche-bleibt-im-dorf',
 502             'title': 'Die Kirche bleibt im Dorf',
 503             'description': 'Die Kirche bleibt im Dorf',
 504         },
 505         'playlist_count': 4,
 506     }, {
 507         # playlist of type 'sendung'
 508         'url': 'https://www.ardmediathek.de/ard/sendung/doctor-who/Y3JpZDovL3dkci5kZS9vbmUvZG9jdG9yIHdobw/',
 509         'only_matching': True,
 510     }, {
 511         # playlist of type 'serie'
 512         'url': 'https://www.ardmediathek.de/serie/nachtstreife/staffel-1/Y3JpZDovL3N3ci5kZS9zZGIvc3RJZC8xMjQy/1',
 513         'only_matching': True,
 514     }, {
 515         # playlist of type 'sammlung'
 516         'url': 'https://www.ardmediathek.de/ard/sammlung/team-muenster/5JpTzLSbWUAK8184IOvEir/',
 517         'only_matching': True,
 518     }]
 519
 520     _PAGE_SIZE = 100
 521
 522     def _real_extract(self, url):
 523         playlist_id, display_id, playlist_type, season_number, version = self._match_valid_url(url).group(
 524             'id', 'display_id', 'playlist', 'season', 'version')
 525
 526         def call_api(page_num):
 527             api_path = 'compilations/ard' if playlist_type == 'sammlung' else 'widgets/ard/asset'
 528             return self._download_json(
 529                 f'https://api.ardmediathek.de/page-gateway/{api_path}/{playlist_id}', playlist_id,
 530                 f'Downloading playlist page {page_num}', query={
 531                     'pageNumber': page_num,
 532                     'pageSize': self._PAGE_SIZE,
 533                     **({
 534                         'seasoned': 'true',
 535                         'seasonNumber': season_number,
 536                         'withOriginalversion': 'true' if version == 'OV' else 'false',
 537                         'withAudiodescription': 'true' if version == 'AD' else 'false',
 538                     } if season_number else {}),
 539                 })
 540
 541         def fetch_page(page_num):
 542             for item in traverse_obj(call_api(page_num), ('teasers', ..., {dict})):
 543                 item_id = traverse_obj(item, ('links', 'target', ('urlId', 'id')), 'id', get_all=False)
 544                 if not item_id or item_id == playlist_id:
 545                     continue
 546                 item_mode = 'sammlung' if item.get('type') == 'compilation' else 'video'
 547                 yield self.url_result(
 548                     f'https://www.ardmediathek.de/{item_mode}/{item_id}',
 549                     ie=(ARDMediathekCollectionIE if item_mode == 'sammlung' else ARDBetaMediathekIE),
 550                     **traverse_obj(item, {
 551                         'id': ('id', {str}),
 552                         'title': ('longTitle', {str}),
 553                         'duration': ('duration', {int_or_none}),
 554                         'timestamp': ('broadcastedOn', {parse_iso8601}),
 555                     }))
 556
 557         page_data = call_api(0)
 558         full_id = join_nonempty(playlist_id, season_number, version, delim='_')
 559
 560         return self.playlist_result(
 561             OnDemandPagedList(fetch_page, self._PAGE_SIZE), full_id, display_id=display_id,
 562             title=page_data.get('title'), description=page_data.get('synopsis'))