Merge pull request #9288 from reyyed/issue#9063fix
[youtube-dl] / 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 )
30
31
32 class BrightcoveLegacyIE(InfoExtractor):
33     IE_NAME = 'brightcove:legacy'
34     _VALID_URL = r'(?:https?://.*brightcove\.com/(services|viewer).*?\?|brightcove:)(?P<query>.*)'
35     _FEDERATED_URL = 'http://c.brightcove.com/services/viewer/htmlFederated'
36
37     _TESTS = [
38         {
39             # From http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/
40             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1654948606001&flashID=myExperience&%40videoPlayer=2371591881001',
41             'md5': '5423e113865d26e40624dce2e4b45d95',
42             'note': 'Test Brightcove downloads and detection in GenericIE',
43             'info_dict': {
44                 'id': '2371591881001',
45                 'ext': 'mp4',
46                 'title': 'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
47                 'uploader': '8TV',
48                 'description': 'md5:a950cc4285c43e44d763d036710cd9cd',
49                 'timestamp': 1368213670,
50                 'upload_date': '20130510',
51                 'uploader_id': '1589608506001',
52             }
53         },
54         {
55             # From http://medianetwork.oracle.com/video/player/1785452137001
56             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1217746023001&flashID=myPlayer&%40videoPlayer=1785452137001',
57             'info_dict': {
58                 'id': '1785452137001',
59                 'ext': 'flv',
60                 'title': 'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges',
61                 'description': 'John Rose speaks at the JVM Language Summit, August 1, 2012.',
62                 'uploader': 'Oracle',
63                 'timestamp': 1344975024,
64                 'upload_date': '20120814',
65                 'uploader_id': '1460825906',
66             },
67         },
68         {
69             # From http://mashable.com/2013/10/26/thermoelectric-bracelet-lets-you-control-your-body-temperature/
70             'url': 'http://c.brightcove.com/services/viewer/federated_f9?&playerID=1265504713001&publisherID=AQ%7E%7E%2CAAABBzUwv1E%7E%2CxP-xFHVUstiMFlNYfvF4G9yFnNaqCw_9&videoID=2750934548001',
71             'info_dict': {
72                 'id': '2750934548001',
73                 'ext': 'mp4',
74                 'title': 'This Bracelet Acts as a Personal Thermostat',
75                 'description': 'md5:547b78c64f4112766ccf4e151c20b6a0',
76                 'uploader': 'Mashable',
77                 'timestamp': 1382041798,
78                 'upload_date': '20131017',
79                 'uploader_id': '1130468786001',
80             },
81         },
82         {
83             # test that the default referer works
84             # from http://national.ballet.ca/interact/video/Lost_in_Motion_II/
85             'url': 'http://link.brightcove.com/services/player/bcpid756015033001?bckey=AQ~~,AAAApYJi_Ck~,GxhXCegT1Dp39ilhXuxMJxasUhVNZiil&bctid=2878862109001',
86             'info_dict': {
87                 'id': '2878862109001',
88                 'ext': 'mp4',
89                 'title': 'Lost in Motion II',
90                 'description': 'md5:363109c02998fee92ec02211bd8000df',
91                 'uploader': 'National Ballet of Canada',
92             },
93             'skip': 'Video gone',
94         },
95         {
96             # test flv videos served by akamaihd.net
97             # From http://www.redbull.com/en/bike/stories/1331655643987/replay-uci-dh-world-cup-2014-from-fort-william
98             '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',
99             # The md5 checksum changes on each download
100             'info_dict': {
101                 'id': '3750436379001',
102                 'ext': 'flv',
103                 'title': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
104                 'uploader': 'RBTV Old (do not use)',
105                 'description': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
106                 'timestamp': 1409122195,
107                 'upload_date': '20140827',
108                 'uploader_id': '710858724001',
109             },
110         },
111         {
112             # playlist with 'videoList'
113             # from http://support.brightcove.com/en/video-cloud/docs/playlist-support-single-video-players
114             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=3550052898001&playerKey=AQ%7E%7E%2CAAABmA9XpXk%7E%2C-Kp7jNgisre1fG5OdqpAFUTcs0lP_ZoL',
115             'info_dict': {
116                 'title': 'Sealife',
117                 'id': '3550319591001',
118             },
119             'playlist_mincount': 7,
120         },
121         {
122             # playlist with 'playlistTab' (https://github.com/rg3/youtube-dl/issues/9965)
123             'url': 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=AQ%7E%7E,AAABXlLMdok%7E,NJ4EoMlZ4rZdx9eU1rkMVd8EaYPBBUlg',
124             'info_dict': {
125                 'id': '1522758701001',
126                 'title': 'Lesson 08',
127             },
128             'playlist_mincount': 10,
129         },
130     ]
131     FLV_VCODECS = {
132         1: 'SORENSON',
133         2: 'ON2',
134         3: 'H264',
135         4: 'VP8',
136     }
137
138     @classmethod
139     def _build_brighcove_url(cls, object_str):
140         """
141         Build a Brightcove url from a xml string containing
142         <object class="BrightcoveExperience">{params}</object>
143         """
144
145         # Fix up some stupid HTML, see https://github.com/rg3/youtube-dl/issues/1553
146         object_str = re.sub(r'(<param(?:\s+[a-zA-Z0-9_]+="[^"]*")*)>',
147                             lambda m: m.group(1) + '/>', object_str)
148         # Fix up some stupid XML, see https://github.com/rg3/youtube-dl/issues/1608
149         object_str = object_str.replace('<--', '<!--')
150         # remove namespace to simplify extraction
151         object_str = re.sub(r'(<object[^>]*)(xmlns=".*?")', r'\1', object_str)
152         object_str = fix_xml_ampersands(object_str)
153
154         try:
155             object_doc = compat_etree_fromstring(object_str.encode('utf-8'))
156         except compat_xml_parse_error:
157             return
158
159         fv_el = find_xpath_attr(object_doc, './param', 'name', 'flashVars')
160         if fv_el is not None:
161             flashvars = dict(
162                 (k, v[0])
163                 for k, v in compat_parse_qs(fv_el.attrib['value']).items())
164         else:
165             flashvars = {}
166
167         data_url = object_doc.attrib.get('data', '')
168         data_url_params = compat_parse_qs(compat_urllib_parse_urlparse(data_url).query)
169
170         def find_param(name):
171             if name in flashvars:
172                 return flashvars[name]
173             node = find_xpath_attr(object_doc, './param', 'name', name)
174             if node is not None:
175                 return node.attrib['value']
176             return data_url_params.get(name)
177
178         params = {}
179
180         playerID = find_param('playerID')
181         if playerID is None:
182             raise ExtractorError('Cannot find player ID')
183         params['playerID'] = playerID
184
185         playerKey = find_param('playerKey')
186         # Not all pages define this value
187         if playerKey is not None:
188             params['playerKey'] = playerKey
189         # These fields hold the id of the video
190         videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID') or find_param('@videoList')
191         if videoPlayer is not None:
192             params['@videoPlayer'] = videoPlayer
193         linkBase = find_param('linkBaseURL')
194         if linkBase is not None:
195             params['linkBaseURL'] = linkBase
196         return cls._make_brightcove_url(params)
197
198     @classmethod
199     def _build_brighcove_url_from_js(cls, object_js):
200         # The layout of JS is as follows:
201         # customBC.createVideo = function (width, height, playerID, playerKey, videoPlayer, VideoRandomID) {
202         #   // build Brightcove <object /> XML
203         # }
204         m = re.search(
205             r'''(?x)customBC.\createVideo\(
206                 .*?                                                  # skipping width and height
207                 ["\'](?P<playerID>\d+)["\']\s*,\s*                   # playerID
208                 ["\'](?P<playerKey>AQ[^"\']{48})[^"\']*["\']\s*,\s*  # playerKey begins with AQ and is 50 characters
209                                                                      # in length, however it's appended to itself
210                                                                      # in places, so truncate
211                 ["\'](?P<videoID>\d+)["\']                           # @videoPlayer
212             ''', object_js)
213         if m:
214             return cls._make_brightcove_url(m.groupdict())
215
216     @classmethod
217     def _make_brightcove_url(cls, params):
218         return update_url_query(cls._FEDERATED_URL, params)
219
220     @classmethod
221     def _extract_brightcove_url(cls, webpage):
222         """Try to extract the brightcove url from the webpage, returns None
223         if it can't be found
224         """
225         urls = cls._extract_brightcove_urls(webpage)
226         return urls[0] if urls else None
227
228     @classmethod
229     def _extract_brightcove_urls(cls, webpage):
230         """Return a list of all Brightcove URLs from the webpage """
231
232         url_m = re.search(
233             r'<meta\s+property=[\'"]og:video[\'"]\s+content=[\'"](https?://(?:secure|c)\.brightcove.com/[^\'"]+)[\'"]',
234             webpage)
235         if url_m:
236             url = unescapeHTML(url_m.group(1))
237             # Some sites don't add it, we can't download with this url, for example:
238             # http://www.ktvu.com/videos/news/raw-video-caltrain-releases-video-of-man-almost/vCTZdY/
239             if 'playerKey' in url or 'videoId' in url:
240                 return [url]
241
242         matches = re.findall(
243             r'''(?sx)<object
244             (?:
245                 [^>]+?class=[\'"][^>]*?BrightcoveExperience.*?[\'"] |
246                 [^>]*?>\s*<param\s+name="movie"\s+value="https?://[^/]*brightcove\.com/
247             ).+?>\s*</object>''',
248             webpage)
249         if matches:
250             return list(filter(None, [cls._build_brighcove_url(m) for m in matches]))
251
252         return list(filter(None, [
253             cls._build_brighcove_url_from_js(custom_bc)
254             for custom_bc in re.findall(r'(customBC\.createVideo\(.+?\);)', webpage)]))
255
256     def _real_extract(self, url):
257         url, smuggled_data = unsmuggle_url(url, {})
258
259         # Change the 'videoId' and others field to '@videoPlayer'
260         url = re.sub(r'(?<=[?&])(videoI(d|D)|bctid)', '%40videoPlayer', url)
261         # Change bckey (used by bcove.me urls) to playerKey
262         url = re.sub(r'(?<=[?&])bckey', 'playerKey', url)
263         mobj = re.match(self._VALID_URL, url)
264         query_str = mobj.group('query')
265         query = compat_urlparse.parse_qs(query_str)
266
267         videoPlayer = query.get('@videoPlayer')
268         if videoPlayer:
269             # We set the original url as the default 'Referer' header
270             referer = smuggled_data.get('Referer', url)
271             return self._get_video_info(
272                 videoPlayer[0], query, referer=referer)
273         elif 'playerKey' in query:
274             player_key = query['playerKey']
275             return self._get_playlist_info(player_key[0])
276         else:
277             raise ExtractorError(
278                 'Cannot find playerKey= variable. Did you forget quotes in a shell invocation?',
279                 expected=True)
280
281     def _get_video_info(self, video_id, query, referer=None):
282         headers = {}
283         linkBase = query.get('linkBaseURL')
284         if linkBase is not None:
285             referer = linkBase[0]
286         if referer is not None:
287             headers['Referer'] = referer
288         webpage = self._download_webpage(self._FEDERATED_URL, video_id, headers=headers, query=query)
289
290         error_msg = self._html_search_regex(
291             r"<h1>We're sorry.</h1>([\s\n]*<p>.*?</p>)+", webpage,
292             'error message', default=None)
293         if error_msg is not None:
294             raise ExtractorError(
295                 'brightcove said: %s' % error_msg, expected=True)
296
297         self.report_extraction(video_id)
298         info = self._search_regex(r'var experienceJSON = ({.*});', webpage, 'json')
299         info = json.loads(info)['data']
300         video_info = info['programmedContent']['videoPlayer']['mediaDTO']
301         video_info['_youtubedl_adServerURL'] = info.get('adServerURL')
302
303         return self._extract_video_info(video_info)
304
305     def _get_playlist_info(self, player_key):
306         info_url = 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=%s' % player_key
307         playlist_info = self._download_webpage(
308             info_url, player_key, 'Downloading playlist information')
309
310         json_data = json.loads(playlist_info)
311         if 'videoList' in json_data:
312             playlist_info = json_data['videoList']
313             playlist_dto = playlist_info['mediaCollectionDTO']
314         elif 'playlistTabs' in json_data:
315             playlist_info = json_data['playlistTabs']
316             playlist_dto = playlist_info['lineupListDTO']['playlistDTOs'][0]
317         else:
318             raise ExtractorError('Empty playlist')
319
320         videos = [self._extract_video_info(video_info) for video_info in playlist_dto['videoDTOs']]
321
322         return self.playlist_result(videos, playlist_id='%s' % playlist_info['id'],
323                                     playlist_title=playlist_dto['displayName'])
324
325     def _extract_video_info(self, video_info):
326         video_id = compat_str(video_info['id'])
327         publisher_id = video_info.get('publisherId')
328         info = {
329             'id': video_id,
330             'title': video_info['displayName'].strip(),
331             'description': video_info.get('shortDescription'),
332             'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'),
333             'uploader': video_info.get('publisherName'),
334             'uploader_id': compat_str(publisher_id) if publisher_id else None,
335             'duration': float_or_none(video_info.get('length'), 1000),
336             'timestamp': int_or_none(video_info.get('creationDate'), 1000),
337         }
338
339         renditions = video_info.get('renditions', []) + video_info.get('IOSRenditions', [])
340         if renditions:
341             formats = []
342             for rend in renditions:
343                 url = rend['defaultURL']
344                 if not url:
345                     continue
346                 ext = None
347                 if rend['remote']:
348                     url_comp = compat_urllib_parse_urlparse(url)
349                     if url_comp.path.endswith('.m3u8'):
350                         formats.extend(
351                             self._extract_m3u8_formats(
352                                 url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
353                         continue
354                     elif 'akamaihd.net' in url_comp.netloc:
355                         # This type of renditions are served through
356                         # akamaihd.net, but they don't use f4m manifests
357                         url = url.replace('control/', '') + '?&v=3.3.0&fp=13&r=FEEFJ&g=RTSJIMBMPFPB'
358                         ext = 'flv'
359                 if ext is None:
360                     ext = determine_ext(url)
361                 tbr = int_or_none(rend.get('encodingRate'), 1000)
362                 a_format = {
363                     'format_id': 'http%s' % ('-%s' % tbr if tbr else ''),
364                     'url': url,
365                     'ext': ext,
366                     'filesize': int_or_none(rend.get('size')) or None,
367                     'tbr': tbr,
368                 }
369                 if rend.get('audioOnly'):
370                     a_format.update({
371                         'vcodec': 'none',
372                     })
373                 else:
374                     a_format.update({
375                         'height': int_or_none(rend.get('frameHeight')),
376                         'width': int_or_none(rend.get('frameWidth')),
377                         'vcodec': rend.get('videoCodec'),
378                     })
379
380                 # m3u8 manifests with remote == false are media playlists
381                 # Not calling _extract_m3u8_formats here to save network traffic
382                 if ext == 'm3u8':
383                     a_format.update({
384                         'format_id': 'hls%s' % ('-%s' % tbr if tbr else ''),
385                         'ext': 'mp4',
386                         'protocol': 'm3u8_native',
387                     })
388
389                 formats.append(a_format)
390             self._sort_formats(formats)
391             info['formats'] = formats
392         elif video_info.get('FLVFullLengthURL') is not None:
393             info.update({
394                 'url': video_info['FLVFullLengthURL'],
395                 'vcodec': self.FLV_VCODECS.get(video_info.get('FLVFullCodec')),
396                 'filesize': int_or_none(video_info.get('FLVFullSize')),
397             })
398
399         if self._downloader.params.get('include_ads', False):
400             adServerURL = video_info.get('_youtubedl_adServerURL')
401             if adServerURL:
402                 ad_info = {
403                     '_type': 'url',
404                     'url': adServerURL,
405                 }
406                 if 'url' in info:
407                     return {
408                         '_type': 'playlist',
409                         'title': info['title'],
410                         'entries': [ad_info, info],
411                     }
412                 else:
413                     return ad_info
414
415         if 'url' not in info and not info.get('formats'):
416             raise ExtractorError('Unable to extract video url for %s' % video_id)
417         return info
418
419
420 class BrightcoveNewIE(InfoExtractor):
421     IE_NAME = 'brightcove:new'
422     _VALID_URL = r'https?://players\.brightcove\.net/(?P<account_id>\d+)/(?P<player_id>[^/]+)_(?P<embed>[^/]+)/index\.html\?.*videoId=(?P<video_id>\d+|ref:[^&]+)'
423     _TESTS = [{
424         'url': 'http://players.brightcove.net/929656772001/e41d32dc-ec74-459e-a845-6c69f7b724ea_default/index.html?videoId=4463358922001',
425         'md5': 'c8100925723840d4b0d243f7025703be',
426         'info_dict': {
427             'id': '4463358922001',
428             'ext': 'mp4',
429             'title': 'Meet the man behind Popcorn Time',
430             'description': 'md5:eac376a4fe366edc70279bfb681aea16',
431             'duration': 165.768,
432             'timestamp': 1441391203,
433             'upload_date': '20150904',
434             'uploader_id': '929656772001',
435             'formats': 'mincount:22',
436         },
437     }, {
438         # with rtmp streams
439         'url': 'http://players.brightcove.net/4036320279001/5d112ed9-283f-485f-a7f9-33f42e8bc042_default/index.html?videoId=4279049078001',
440         'info_dict': {
441             'id': '4279049078001',
442             'ext': 'mp4',
443             'title': 'Titansgrave: Chapter 0',
444             'description': 'Titansgrave: Chapter 0',
445             'duration': 1242.058,
446             'timestamp': 1433556729,
447             'upload_date': '20150606',
448             'uploader_id': '4036320279001',
449             'formats': 'mincount:41',
450         },
451         'params': {
452             # m3u8 download
453             'skip_download': True,
454         }
455     }, {
456         # ref: prefixed video id
457         'url': 'http://players.brightcove.net/3910869709001/21519b5c-4b3b-4363-accb-bdc8f358f823_default/index.html?videoId=ref:7069442',
458         'only_matching': True,
459     }, {
460         # non numeric ref: prefixed video id
461         'url': 'http://players.brightcove.net/710858724001/default_default/index.html?videoId=ref:event-stream-356',
462         'only_matching': True,
463     }, {
464         # unavailable video without message but with error_code
465         'url': 'http://players.brightcove.net/1305187701/c832abfb-641b-44eb-9da0-2fe76786505f_default/index.html?videoId=4377407326001',
466         'only_matching': True,
467     }]
468
469     @staticmethod
470     def _extract_url(webpage):
471         urls = BrightcoveNewIE._extract_urls(webpage)
472         return urls[0] if urls else None
473
474     @staticmethod
475     def _extract_urls(webpage):
476         # Reference:
477         # 1. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/publish-video.html#setvideoiniframe
478         # 2. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/publish-video.html#setvideousingjavascript
479         # 3. http://docs.brightcove.com/en/video-cloud/brightcove-player/guides/embed-in-page.html
480         # 4. https://support.brightcove.com/en/video-cloud/docs/dynamically-assigning-videos-player
481
482         entries = []
483
484         # Look for iframe embeds [1]
485         for _, url in re.findall(
486                 r'<iframe[^>]+src=(["\'])((?:https?:)?//players\.brightcove\.net/\d+/[^/]+/index\.html.+?)\1', webpage):
487             entries.append(url if url.startswith('http') else 'http:' + url)
488
489         # Look for embed_in_page embeds [2]
490         for video_id, account_id, player_id, embed in re.findall(
491                 # According to examples from [3] it's unclear whether video id
492                 # may be optional and what to do when it is
493                 # According to [4] data-video-id may be prefixed with ref:
494                 r'''(?sx)
495                     <video[^>]+
496                         data-video-id=["\'](\d+|ref:[^"\']+)["\'][^>]*>.*?
497                     </video>.*?
498                     <script[^>]+
499                         src=["\'](?:https?:)?//players\.brightcove\.net/
500                         (\d+)/([^/]+)_([^/]+)/index(?:\.min)?\.js
501                 ''', webpage):
502             entries.append(
503                 'http://players.brightcove.net/%s/%s_%s/index.html?videoId=%s'
504                 % (account_id, player_id, embed, video_id))
505
506         return entries
507
508     def _real_extract(self, url):
509         account_id, player_id, embed, video_id = re.match(self._VALID_URL, url).groups()
510
511         webpage = self._download_webpage(
512             'http://players.brightcove.net/%s/%s_%s/index.min.js'
513             % (account_id, player_id, embed), video_id)
514
515         policy_key = None
516
517         catalog = self._search_regex(
518             r'catalog\(({.+?})\);', webpage, 'catalog', default=None)
519         if catalog:
520             catalog = self._parse_json(
521                 js_to_json(catalog), video_id, fatal=False)
522             if catalog:
523                 policy_key = catalog.get('policyKey')
524
525         if not policy_key:
526             policy_key = self._search_regex(
527                 r'policyKey\s*:\s*(["\'])(?P<pk>.+?)\1',
528                 webpage, 'policy key', group='pk')
529
530         api_url = 'https://edge.api.brightcove.com/playback/v1/accounts/%s/videos/%s' % (account_id, video_id)
531         try:
532             json_data = self._download_json(api_url, video_id, headers={
533                 'Accept': 'application/json;pk=%s' % policy_key
534             })
535         except ExtractorError as e:
536             if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
537                 json_data = self._parse_json(e.cause.read().decode(), video_id)[0]
538                 raise ExtractorError(
539                     json_data.get('message') or json_data['error_code'], expected=True)
540             raise
541
542         title = json_data['name'].strip()
543
544         formats = []
545         for source in json_data.get('sources', []):
546             container = source.get('container')
547             source_type = source.get('type')
548             src = source.get('src')
549             if source_type == 'application/x-mpegURL' or container == 'M2TS':
550                 if not src:
551                     continue
552                 formats.extend(self._extract_m3u8_formats(
553                     src, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
554             elif source_type == 'application/dash+xml':
555                 if not src:
556                     continue
557                 formats.extend(self._extract_mpd_formats(src, video_id, 'dash', fatal=False))
558             else:
559                 streaming_src = source.get('streaming_src')
560                 stream_name, app_name = source.get('stream_name'), source.get('app_name')
561                 if not src and not streaming_src and (not stream_name or not app_name):
562                     continue
563                 tbr = float_or_none(source.get('avg_bitrate'), 1000)
564                 height = int_or_none(source.get('height'))
565                 width = int_or_none(source.get('width'))
566                 f = {
567                     'tbr': tbr,
568                     'filesize': int_or_none(source.get('size')),
569                     'container': container,
570                     'ext': container.lower(),
571                 }
572                 if width == 0 and height == 0:
573                     f.update({
574                         'vcodec': 'none',
575                     })
576                 else:
577                     f.update({
578                         'width': width,
579                         'height': height,
580                         'vcodec': source.get('codec'),
581                     })
582
583                 def build_format_id(kind):
584                     format_id = kind
585                     if tbr:
586                         format_id += '-%dk' % int(tbr)
587                     if height:
588                         format_id += '-%dp' % height
589                     return format_id
590
591                 if src or streaming_src:
592                     f.update({
593                         'url': src or streaming_src,
594                         'format_id': build_format_id('http' if src else 'http-streaming'),
595                         'source_preference': 0 if src else -1,
596                     })
597                 else:
598                     f.update({
599                         'url': app_name,
600                         'play_path': stream_name,
601                         'format_id': build_format_id('rtmp'),
602                     })
603                 formats.append(f)
604
605         errors = json_data.get('errors')
606         if not formats and errors:
607             error = errors[0]
608             raise ExtractorError(
609                 error.get('message') or error.get('error_subcode') or error['error_code'], expected=True)
610
611         self._sort_formats(formats)
612
613         subtitles = {}
614         for text_track in json_data.get('text_tracks', []):
615             if text_track.get('src'):
616                 subtitles.setdefault(text_track.get('srclang'), []).append({
617                     'url': text_track['src'],
618                 })
619
620         return {
621             'id': video_id,
622             'title': title,
623             'description': json_data.get('description'),
624             'thumbnail': json_data.get('thumbnail') or json_data.get('poster'),
625             'duration': float_or_none(json_data.get('duration'), 1000),
626             'timestamp': parse_iso8601(json_data.get('published_at')),
627             'uploader_id': account_id,
628             'formats': formats,
629             'subtitles': subtitles,
630             'tags': json_data.get('tags', []),
631         }