_ Git - youtube-dl/blob - youtube_dl/extractor/brightcove.py

   1 # encoding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import re
   5 import json
   6
   7 from .common import InfoExtractor
   8 from ..compat import (
   9     compat_etree_fromstring,
  10     compat_parse_qs,
  11     compat_str,
  12     compat_urllib_parse_urlparse,
  13     compat_urlparse,
  14     compat_xml_parse_error,
  15     compat_HTTPError,
  16 )
  17 from ..utils import (
  18     determine_ext,
  19     ExtractorError,
  20     find_xpath_attr,
  21     fix_xml_ampersands,
  22     float_or_none,
  23     js_to_json,
  24     int_or_none,
  25     parse_iso8601,
  26     unescapeHTML,
  27     unsmuggle_url,
  28     update_url_query,
  29     clean_html,
  30 )
  31
  32
  33 class BrightcoveLegacyIE(InfoExtractor):
  34     IE_NAME = 'brightcove:legacy'
  35     _VALID_URL = r'(?:https?://.*brightcove\.com/(services|viewer).*?\?|brightcove:)(?P<query>.*)'
  36     _FEDERATED_URL = 'http://c.brightcove.com/services/viewer/htmlFederated'
  37
  38     _TESTS = [
  39         {
  40             # From http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/
  41             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1654948606001&flashID=myExperience&%40videoPlayer=2371591881001',
  42             'md5': '5423e113865d26e40624dce2e4b45d95',
  43             'note': 'Test Brightcove downloads and detection in GenericIE',
  44             'info_dict': {
  45                 'id': '2371591881001',
  46                 'ext': 'mp4',
  47                 'title': 'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
  48                 'uploader': '8TV',
  49                 'description': 'md5:a950cc4285c43e44d763d036710cd9cd',
  50                 'timestamp': 1368213670,
  51                 'upload_date': '20130510',
  52                 'uploader_id': '1589608506001',
  53             }
  54         },
  55         {
  56             # From http://medianetwork.oracle.com/video/player/1785452137001
  57             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1217746023001&flashID=myPlayer&%40videoPlayer=1785452137001',
  58             'info_dict': {
  59                 'id': '1785452137001',
  60                 'ext': 'flv',
  61                 'title': 'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges',
  62                 'description': 'John Rose speaks at the JVM Language Summit, August 1, 2012.',
  63                 'uploader': 'Oracle',
  64                 'timestamp': 1344975024,
  65                 'upload_date': '20120814',
  66                 'uploader_id': '1460825906',
  67             },
  68         },
  69         {
  70             # From http://mashable.com/2013/10/26/thermoelectric-bracelet-lets-you-control-your-body-temperature/
  71             'url': 'http://c.brightcove.com/services/viewer/federated_f9?&playerID=1265504713001&publisherID=AQ%7E%7E%2CAAABBzUwv1E%7E%2CxP-xFHVUstiMFlNYfvF4G9yFnNaqCw_9&videoID=2750934548001',
  72             'info_dict': {
  73                 'id': '2750934548001',
  74                 'ext': 'mp4',
  75                 'title': 'This Bracelet Acts as a Personal Thermostat',
  76                 'description': 'md5:547b78c64f4112766ccf4e151c20b6a0',
  77                 'uploader': 'Mashable',
  78                 'timestamp': 1382041798,
  79                 'upload_date': '20131017',
  80                 'uploader_id': '1130468786001',
  81             },
  82         },
  83         {
  84             # test that the default referer works
  85             # from http://national.ballet.ca/interact/video/Lost_in_Motion_II/
  86             'url': 'http://link.brightcove.com/services/player/bcpid756015033001?bckey=AQ~~,AAAApYJi_Ck~,GxhXCegT1Dp39ilhXuxMJxasUhVNZiil&bctid=2878862109001',
  87             'info_dict': {
  88                 'id': '2878862109001',
  89                 'ext': 'mp4',
  90                 'title': 'Lost in Motion II',
  91                 'description': 'md5:363109c02998fee92ec02211bd8000df',
  92                 'uploader': 'National Ballet of Canada',
  93             },
  94             'skip': 'Video gone',
  95         },
  96         {
  97             # test flv videos served by akamaihd.net
  98             # From http://www.redbull.com/en/bike/stories/1331655643987/replay-uci-dh-world-cup-2014-from-fort-william
  99             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?%40videoPlayer=ref%3Aevent-stream-356&linkBaseURL=http%3A%2F%2Fwww.redbull.com%2Fen%2Fbike%2Fvideos%2F1331655630249%2Freplay-uci-fort-william-2014-dh&playerKey=AQ%7E%7E%2CAAAApYJ7UqE%7E%2Cxqr_zXk0I-zzNndy8NlHogrCb5QdyZRf&playerID=1398061561001#__youtubedl_smuggle=%7B%22Referer%22%3A+%22http%3A%2F%2Fwww.redbull.com%2Fen%2Fbike%2Fstories%2F1331655643987%2Freplay-uci-dh-world-cup-2014-from-fort-william%22%7D',
 100             # The md5 checksum changes on each download
 101             'info_dict': {
 102                 'id': '3750436379001',
 103                 'ext': 'flv',
 104                 'title': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
 105                 'uploader': 'RBTV Old (do not use)',
 106                 'description': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
 107                 'timestamp': 1409122195,
 108                 'upload_date': '20140827',
 109                 'uploader_id': '710858724001',
 110             },
 111         },
 112         {
 113             # playlist with 'videoList'
 114             # from http://support.brightcove.com/en/video-cloud/docs/playlist-support-single-video-players
 115             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=3550052898001&playerKey=AQ%7E%7E%2CAAABmA9XpXk%7E%2C-Kp7jNgisre1fG5OdqpAFUTcs0lP_ZoL',
 116             'info_dict': {
 117                 'title': 'Sealife',
 118                 'id': '3550319591001',
 119             },
 120             'playlist_mincount': 7,
 121         },
 122         {
 123             # playlist with 'playlistTab' (https://github.com/rg3/youtube-dl/issues/9965)
 124             'url': 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=AQ%7E%7E,AAABXlLMdok%7E,NJ4EoMlZ4rZdx9eU1rkMVd8EaYPBBUlg',
 125             'info_dict': {
 126                 'id': '1522758701001',
 127                 'title': 'Lesson 08',
 128             },
 129             'playlist_mincount': 10,
 130         },
 131     ]
 132     FLV_VCODECS = {
 133         1: 'SORENSON',
 134         2: 'ON2',
 135         3: 'H264',
 136         4: 'VP8',
 137     }
 138
 139     @classmethod
 140     def _build_brighcove_url(cls, object_str):
 141         """
 142         Build a Brightcove url from a xml string containing
 143         <object class="BrightcoveExperience">{params}</object>
 144         """
 145
 146         # Fix up some stupid HTML, see https://github.com/rg3/youtube-dl/issues/1553
 147         object_str = re.sub(r'(<param(?:\s+[a-zA-Z0-9_]+="[^"]*")*)>',
 148                             lambda m: m.group(1) + '/>', object_str)
 149         # Fix up some stupid XML, see https://github.com/rg3/youtube-dl/issues/1608
 150         object_str = object_str.replace('<--', '<!--')
 151         # remove namespace to simplify extraction
 152         object_str = re.sub(r'(<object[^>]*)(xmlns=".*?")', r'\1', object_str)
 153         object_str = fix_xml_ampersands(object_str)
 154
 155         try:
 156             object_doc = compat_etree_fromstring(object_str.encode('utf-8'))
 157         except compat_xml_parse_error:
 158             return
 159
 160         fv_el = find_xpath_attr(object_doc, './param', 'name', 'flashVars')
 161         if fv_el is not None:
 162             flashvars = dict(
 163                 (k, v[0])
 164                 for k, v in compat_parse_qs(fv_el.attrib['value']).items())
 165         else:
 166             flashvars = {}
 167
 168         data_url = object_doc.attrib.get('data', '')
 169         data_url_params = compat_parse_qs(compat_urllib_parse_urlparse(data_url).query)
 170
 171         def find_param(name):
 172             if name in flashvars:
 173                 return flashvars[name]
 174             node = find_xpath_attr(object_doc, './param', 'name', name)
 175             if node is not None:
 176                 return node.attrib['value']
 177             return data_url_params.get(name)
 178
 179         params = {}
 180
 181         playerID = find_param('playerID')
 182         if playerID is None:
 183             raise ExtractorError('Cannot find player ID')
 184         params['playerID'] = playerID
 185
 186         playerKey = find_param('playerKey')
 187         # Not all pages define this value
 188         if playerKey is not None:
 189             params['playerKey'] = playerKey
 190         # These fields hold the id of the video
 191         videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID') or find_param('@videoList')
 192         if videoPlayer is not None:
 193             params['@videoPlayer'] = videoPlayer
 194         linkBase = find_param('linkBaseURL')
 195         if linkBase is not None:
 196             params['linkBaseURL'] = linkBase
 197         return cls._make_brightcove_url(params)
 198
 199     @classmethod
 200     def _build_brighcove_url_from_js(cls, object_js):
 201         # The layout of JS is as follows:
 202         # customBC.createVideo = function (width, height, playerID, playerKey, videoPlayer, VideoRandomID) {
 203         #   // build Brightcove <object /> XML
 204         # }
 205         m = re.search(
 206             r'''(?x)customBC.\createVideo\(
 207                 .*?                                                  # skipping width and height
 208                 ["\'](?P<playerID>\d+)["\']\s*,\s*                   # playerID
 209                 ["\'](?P<playerKey>AQ[^"\']{48})[^"\']*["\']\s*,\s*  # playerKey begins with AQ and is 50 characters
 210                                                                      # in length, however it's appended to itself
 211                                                                      # in places, so truncate
 212                 ["\'](?P<videoID>\d+)["\']                           # @videoPlayer
 213             ''', object_js)
 214         if m:
 215             return cls._make_brightcove_url(m.groupdict())
 216
 217     @classmethod
 218     def _make_brightcove_url(cls, params):
 219         return update_url_query(cls._FEDERATED_URL, params)
 220
 221     @classmethod
 222     def _extract_brightcove_url(cls, webpage):
 223         """Try to extract the brightcove url from the webpage, returns None
 224         if it can't be found
 225         """
 226         urls = cls._extract_brightcove_urls(webpage)
 227         return urls[0] if urls else None
 228
 229     @classmethod
 230     def _extract_brightcove_urls(cls, webpage):
 231         """Return a list of all Brightcove URLs from the webpage """
 232
 233         url_m = re.search(
 234             r'<meta\s+property=[\'"]og:video[\'"]\s+content=[\'"](https?://(?:secure|c)\.brightcove.com/[^\'"]+)[\'"]',
 235             webpage)
 236         if url_m:
 237             url = unescapeHTML(url_m.group(1))
 238             # Some sites don't add it, we can't download with this url, for example:
 239             # http://www.ktvu.com/videos/news/raw-video-caltrain-releases-video-of-man-almost/vCTZdY/
 240             if 'playerKey' in url or 'videoId' in url:
 241                 return [url]
 242
 243         matches = re.findall(
 244             r'''(?sx)<object
 245             (?:
 246                 [^>]+?class=[\'"][^>]*?BrightcoveExperience.*?[\'"] |
 247                 [^>]*?>\s*<param\s+name="movie"\s+value="https?://[^/]*brightcove\.com/
 248             ).+?>\s*</object>''',
 249             webpage)
 250         if matches:
 251             return list(filter(None, [cls._build_brighcove_url(m) for m in matches]))
 252
 253         return list(filter(None, [
 254             cls._build_brighcove_url_from_js(custom_bc)
 255             for custom_bc in re.findall(r'(customBC\.createVideo\(.+?\);)', webpage)]))
 256
 257     def _real_extract(self, url):
 258         url, smuggled_data = unsmuggle_url(url, {})
 259
 260         # Change the 'videoId' and others field to '@videoPlayer'
 261         url = re.sub(r'(?<=[?&])(videoI(d|D)|bctid)', '%40videoPlayer', url)
 262         # Change bckey (used by bcove.me urls) to playerKey
 263         url = re.sub(r'(?<=[?&])bckey', 'playerKey', url)
 264         mobj = re.match(self._VALID_URL, url)
 265         query_str = mobj.group('query')
 266         query = compat_urlparse.parse_qs(query_str)
 267
 268         videoPlayer = query.get('@videoPlayer')
 269         if videoPlayer:
 270             # We set the original url as the default 'Referer' header
 271             referer = smuggled_data.get('Referer', url)
 272             return self._get_video_info(
 273                 videoPlayer[0], query, referer=referer)
 274         elif 'playerKey' in query:
 275             player_key = query['playerKey']
 276             return self._get_playlist_info(player_key[0])
 277         else:
 278             raise ExtractorError(
 279                 'Cannot find playerKey= variable. Did you forget quotes in a shell invocation?',
 280                 expected=True)
 281
 282     def _get_video_info(self, video_id, query, referer=None):
 283         headers = {}
 284         linkBase = query.get('linkBaseURL')
 285         if linkBase is not None:
 286             referer = linkBase[0]
 287         if referer is not None:
 288             headers['Referer'] = referer
 289         webpage = self._download_webpage(self._FEDERATED_URL, video_id, headers=headers, query=query)
 290
 291         error_msg = self._html_search_regex(
 292             r"<h1>We're sorry.</h1>([\s\n]*<p>.*?</p>)+", webpage,
 293             'error message', default=None)
 294         if error_msg is not None:
 295             raise ExtractorError(
 296                 'brightcove said: %s' % error_msg, expected=True)
 297
 298         self.report_extraction(video_id)
 299         info = self._search_regex(r'var experienceJSON = ({.*});', webpage, 'json')
 300         info = json.loads(info)['data']
 301         video_info = info['programmedContent']['videoPlayer']['mediaDTO']
 302         video_info['_youtubedl_adServerURL'] = info.get('adServerURL')
 303
 304         return self._extract_video_info(video_info)
 305
 306     def _get_playlist_info(self, player_key):
 307         info_url = 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=%s' % player_key
 308         playlist_info = self._download_webpage(
 309             info_url, player_key, 'Downloading playlist information')
 310
 311         json_data = json.loads(playlist_info)
 312         if 'videoList' in json_data:
 313             playlist_info = json_data['videoList']
 314             playlist_dto = playlist_info['mediaCollectionDTO']
 315         elif 'playlistTabs' in json_data:
 316             playlist_info = json_data['playlistTabs']
 317             playlist_dto = playlist_info['lineupListDTO']['playlistDTOs'][0]
 318         else:
 319             raise ExtractorError('Empty playlist')
 320
 321         videos = [self._extract_video_info(video_info) for video_info in playlist_dto['videoDTOs']]
 322
 323         return self.playlist_result(videos, playlist_id='%s' % playlist_info['id'],
 324                                     playlist_title=playlist_dto['displayName'])
 325
 326     def _extract_video_info(self, video_info):
 327         video_id = compat_str(video_info['id'])
 328         publisher_id = video_info.get('publisherId')
 329         info = {
 330             'id': video_id,
 331             'title': video_info['displayName'].strip(),
 332             'description': video_info.get('shortDescription'),
 333             'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'),
 334             'uploader': video_info.get('publisherName'),
 335             'uploader_id': compat_str(publisher_id) if publisher_id else None,
 336             'duration': float_or_none(video_info.get('length'), 1000),
 337             'timestamp': int_or_none(video_info.get('creationDate'), 1000),
 338         }
 339
 340         renditions = video_info.get('renditions', []) + video_info.get('IOSRenditions', [])
 341         if renditions:
 342             formats = []
 343             for rend in renditions:
 344                 url = rend['defaultURL']
 345                 if not url:
 346                     continue
 347                 ext = None
 348                 if rend['remote']:
 349                     url_comp = compat_urllib_parse_urlparse(url)
 350                     if url_comp.path.endswith('.m3u8'):
 351                         formats.extend(
 352                             self._extract_m3u8_formats(
 353                                 url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
 354                         continue
 355                     elif 'akamaihd.net' in url_comp.netloc:
 356                         # This type of renditions are served through
 357                         # akamaihd.net, but they don't use f4m manifests
 358                         url = url.replace('control/', '') + '?&v=3.3.0&fp=13&r=FEEFJ&g=RTSJIMBMPFPB'
 359                         ext = 'flv'
 360                 if ext is None:
 361                     ext = determine_ext(url)
 362                 tbr = int_or_none(rend.get('encodingRate'), 1000)
 363                 a_format = {
 364                     'format_id': 'http%s' % ('-%s' % tbr if tbr else ''),
 365                     'url': url,
 366                     'ext': ext,
 367                     'filesize': int_or_none(rend.get('size')) or None,
 368                     'tbr': tbr,
 369                 }
 370                 if rend.get('audioOnly'):
 371                     a_format.update({
 372                         'vcodec': 'none',
 373                     })
 374                 else:
 375                     a_format.update({
 376                         'height': int_or_none(rend.get('frameHeight')),
 377                         'width': int_or_none(rend.get('frameWidth')),
 378                         'vcodec': rend.get('videoCodec'),
 379                     })
 380
 381                 # m3u8 manifests with remote == false are media playlists
 382                 # Not calling _extract_m3u8_formats here to save network traffic
 383                 if ext == 'm3u8':
 384                     a_format.update({
 385                         'format_id': 'hls%s' % ('-%s' % tbr if tbr else ''),
 386                         'ext': 'mp4',
 387                         'protocol': 'm3u8_native',
 388                     })
 389
 390                 formats.append(a_format)
 391             self._sort_formats(formats)
 392             info['formats'] = formats
 393         elif video_info.get('FLVFullLengthURL') is not None:
 394             info.update({
 395                 'url': video_info['FLVFullLengthURL'],
 396                 'vcodec': self.FLV_VCODECS.get(video_info.get('FLVFullCodec')),
 397                 'filesize': int_or_none(video_info.get('FLVFullSize')),
 398             })
 399
 400         if self._downloader.params.get('include_ads', False):
 401             adServerURL = video_info.get('_youtubedl_adServerURL')
 402             if adServerURL:
 403                 ad_info = {
 404                     '_type': 'url',
 405                     'url': adServerURL,
 406                 }
 407                 if 'url' in info:
 408                     return {
 409                         '_type': 'playlist',
 410                         'title': info['title'],
 411                         'entries': [ad_info, info],
 412                     }
 413                 else:
 414                     return ad_info
 415
 416         if 'url' not in info and not info.get('formats'):
 417             raise ExtractorError('Unable to extract video url for %s' % video_id)
 418         return info
 419
 420
 421 class BrightcoveNewIE(InfoExtractor):
 422     IE_NAME = 'brightcove:new'
 423     _VALID_URL = r'https?://players\.brightcove\.net/(?P<account_id>\d+)/(?P<player_id>[^/]+)_(?P<embed>[^/]+)/index\.html\?.*videoId=(?P<video_id>\d+|ref:[^&]+)'
 424     _TESTS = [{
 425         'url': 'http://players.brightcove.net/929656772001/e41d32dc-ec74-459e-a845-6c69f7b724ea_default/index.html?videoId=4463358922001',
 426         'md5': 'c8100925723840d4b0d243f7025703be',
 427         'info_dict': {
 428             'id': '4463358922001',
 429             'ext': 'mp4',
 430             'title': 'Meet the man behind Popcorn Time',
 431             'description': 'md5:eac376a4fe366edc70279bfb681aea16',
 432             'duration': 165.768,
 433             'timestamp': 1441391203,
 434             'upload_date': '20150904',
 435             'uploader_id': '929656772001',
 436             'formats': 'mincount:22',
 437         },
 438     }, {
 439         # with rtmp streams
 440         'url': 'http://players.brightcove.net/4036320279001/5d112ed9-283f-485f-a7f9-33f42e8bc042_default/index.html?videoId=4279049078001',
 441         'info_dict': {
 442             'id': '4279049078001',
 443             'ext': 'mp4',
 444             'title': 'Titansgrave: Chapter 0',
 445             'description': 'Titansgrave: Chapter 0',
 446             'duration': 1242.058,
 447             'timestamp': 1433556729,
 448             'upload_date': '20150606',
 449             'uploader_id': '4036320279001',
 450             'formats': 'mincount:41',
 451         },
 452         'params': {
 453             # m3u8 download
 454             'skip_download': True,
 455         }
 456     }, {
 457         # ref: prefixed video id
 458         'url': 'http://players.brightcove.net/3910869709001/21519b5c-4b3b-4363-accb-bdc8f358f823_default/index.html?videoId=ref:7069442',
 459         'only_matching': True,
 460     }, {
 461         # non numeric ref: prefixed video id
 462         'url': 'http://players.brightcove.net/710858724001/default_default/index.html?videoId=ref:event-stream-356',
 463         'only_matching': True,
 464     }, {
 465         # unavailable video without message but with error_code
 466         'url': 'http://players.brightcove.net/1305187701/c832abfb-641b-44eb-9da0-2fe76786505f_default/index.html?videoId=4377407326001',
 467         'only_matching': True,
 468     }]
 469
 470     @staticmethod
 471     def _extract_url(webpage):
 472         urls = BrightcoveNewIE._extract_urls(webpage)
 473         return urls[0] if urls else None
 474
 475     @staticmethod
 476     def _extract_urls(webpage):
 477         # Reference:
 478         # 1. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/publish-video.html#setvideoiniframe
 479         # 2. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/publish-video.html#setvideousingjavascript
 480         # 3. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/embed-in-page.html
 481         # 4. https://support.brightcove.com/en/video-cloud/docs/dynamically-assigning-videos-player
 482
 483         entries = []
 484
 485         # Look for iframe embeds [1]
 486         for _, url in re.findall(
 487                 r'<iframe[^>]+src=(["\'])((?:https?:)?//players\.brightcove\.net/\d+/[^/]+/index\.html.+?)\1', webpage):
 488             entries.append(url if url.startswith('http') else 'http:' + url)
 489
 490         # Look for embed_in_page embeds [2]
 491         for video_id, account_id, player_id, embed in re.findall(
 492                 # According to examples from [3] it's unclear whether video id
 493                 # may be optional and what to do when it is
 494                 # According to [4] data-video-id may be prefixed with ref:
 495                 r'''(?sx)
 496                     <video[^>]+
 497                         data-video-id=["\'](\d+|ref:[^"\']+)["\'][^>]*>.*?
 498                     </video>.*?
 499                     <script[^>]+
 500                         src=["\'](?:https?:)?//players\.brightcove\.net/
 501                         (\d+)/([^/]+)_([^/]+)/index(?:\.min)?\.js
 502                 ''', webpage):
 503             entries.append(
 504                 'http://players.brightcove.net/%s/%s_%s/index.html?videoId=%s'
 505                 % (account_id, player_id, embed, video_id))
 506
 507         return entries
 508
 509     def _real_extract(self, url):
 510         account_id, player_id, embed, video_id = re.match(self._VALID_URL, url).groups()
 511
 512         webpage = self._download_webpage(
 513             'http://players.brightcove.net/%s/%s_%s/index.min.js'
 514             % (account_id, player_id, embed), video_id)
 515
 516         policy_key = None
 517
 518         catalog = self._search_regex(
 519             r'catalog\(({.+?})\);', webpage, 'catalog', default=None)
 520         if catalog:
 521             catalog = self._parse_json(
 522                 js_to_json(catalog), video_id, fatal=False)
 523             if catalog:
 524                 policy_key = catalog.get('policyKey')
 525
 526         if not policy_key:
 527             policy_key = self._search_regex(
 528                 r'policyKey\s*:\s*(["\'])(?P<pk>.+?)\1',
 529                 webpage, 'policy key', group='pk')
 530
 531         api_url = 'https://edge.api.brightcove.com/playback/v1/accounts/%s/videos/%s' % (account_id, video_id)
 532         try:
 533             json_data = self._download_json(api_url, video_id, headers={
 534                 'Accept': 'application/json;pk=%s' % policy_key
 535             })
 536         except ExtractorError as e:
 537             if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
 538                 json_data = self._parse_json(e.cause.read().decode(), video_id)[0]
 539                 raise ExtractorError(
 540                     json_data.get('message') or json_data['error_code'], expected=True)
 541             raise
 542
 543         title = json_data['name'].strip()
 544
 545         formats = []
 546         for source in json_data.get('sources', []):
 547             container = source.get('container')
 548             source_type = source.get('type')
 549             src = source.get('src')
 550             if source_type == 'application/x-mpegURL' or container == 'M2TS':
 551                 if not src:
 552                     continue
 553                 formats.extend(self._extract_m3u8_formats(
 554                     src, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
 555             elif source_type == 'application/dash+xml':
 556                 if not src:
 557                     continue
 558                 formats.extend(self._extract_mpd_formats(src, video_id, 'dash', fatal=False))
 559             else:
 560                 streaming_src = source.get('streaming_src')
 561                 stream_name, app_name = source.get('stream_name'), source.get('app_name')
 562                 if not src and not streaming_src and (not stream_name or not app_name):
 563                     continue
 564                 tbr = float_or_none(source.get('avg_bitrate'), 1000)
 565                 height = int_or_none(source.get('height'))
 566                 width = int_or_none(source.get('width'))
 567                 f = {
 568                     'tbr': tbr,
 569                     'filesize': int_or_none(source.get('size')),
 570                     'container': container,
 571                     'ext': container.lower(),
 572                 }
 573                 if width == 0 and height == 0:
 574                     f.update({
 575                         'vcodec': 'none',
 576                     })
 577                 else:
 578                     f.update({
 579                         'width': width,
 580                         'height': height,
 581                         'vcodec': source.get('codec'),
 582                     })
 583
 584                 def build_format_id(kind):
 585                     format_id = kind
 586                     if tbr:
 587                         format_id += '-%dk' % int(tbr)
 588                     if height:
 589                         format_id += '-%dp' % height
 590                     return format_id
 591
 592                 if src or streaming_src:
 593                     f.update({
 594                         'url': src or streaming_src,
 595                         'format_id': build_format_id('http' if src else 'http-streaming'),
 596                         'source_preference': 0 if src else -1,
 597                     })
 598                 else:
 599                     f.update({
 600                         'url': app_name,
 601                         'play_path': stream_name,
 602                         'format_id': build_format_id('rtmp'),
 603                     })
 604                 formats.append(f)
 605
 606         errors = json_data.get('errors')
 607         if not formats and errors:
 608             error = errors[0]
 609             raise ExtractorError(
 610                 error.get('message') or error.get('error_subcode') or error['error_code'], expected=True)
 611
 612         self._sort_formats(formats)
 613
 614         subtitles = {}
 615         for text_track in json_data.get('text_tracks', []):
 616             if text_track.get('src'):
 617                 subtitles.setdefault(text_track.get('srclang'), []).append({
 618                     'url': text_track['src'],
 619                 })
 620
 621         return {
 622             'id': video_id,
 623             'title': title,
 624             'description': clean_html(json_data.get('description')),
 625             'thumbnail': json_data.get('thumbnail') or json_data.get('poster'),
 626             'duration': float_or_none(json_data.get('duration'), 1000),
 627             'timestamp': parse_iso8601(json_data.get('published_at')),
 628             'uploader_id': account_id,
 629             'formats': formats,
 630             'subtitles': subtitles,
 631             'tags': json_data.get('tags', []),
 632         }