]> Raphaël G. Git Repositories - youtubedl/blobdiff - youtube_dl/extractor/brightcove.py
Prepare to release.
[youtubedl] / youtube_dl / extractor / brightcove.py
index c947337f9f3d54c730487c3e050c00a029bb2d1b..46ef8e605286ac0b079dfe30720de6a1ba9f48f5 100644 (file)
@@ -1,4 +1,4 @@
-# encoding: utf-8
+# coding: utf-8
 from __future__ import unicode_literals
 
 import re
@@ -9,10 +9,10 @@ from ..compat import (
     compat_etree_fromstring,
     compat_parse_qs,
     compat_str,
-    compat_urllib_parse,
     compat_urllib_parse_urlparse,
     compat_urlparse,
     compat_xml_parse_error,
+    compat_HTTPError,
 )
 from ..utils import (
     determine_ext,
@@ -23,16 +23,18 @@ from ..utils import (
     js_to_json,
     int_or_none,
     parse_iso8601,
-    sanitized_Request,
     unescapeHTML,
     unsmuggle_url,
+    update_url_query,
+    clean_html,
+    mimetype2ext,
 )
 
 
 class BrightcoveLegacyIE(InfoExtractor):
     IE_NAME = 'brightcove:legacy'
     _VALID_URL = r'(?:https?://.*brightcove\.com/(services|viewer).*?\?|brightcove:)(?P<query>.*)'
-    _FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s'
+    _FEDERATED_URL = 'http://c.brightcove.com/services/viewer/htmlFederated'
 
     _TESTS = [
         {
@@ -46,6 +48,9 @@ class BrightcoveLegacyIE(InfoExtractor):
                 'title': 'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
                 'uploader': '8TV',
                 'description': 'md5:a950cc4285c43e44d763d036710cd9cd',
+                'timestamp': 1368213670,
+                'upload_date': '20130510',
+                'uploader_id': '1589608506001',
             }
         },
         {
@@ -57,6 +62,9 @@ class BrightcoveLegacyIE(InfoExtractor):
                 'title': 'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges',
                 'description': 'John Rose speaks at the JVM Language Summit, August 1, 2012.',
                 'uploader': 'Oracle',
+                'timestamp': 1344975024,
+                'upload_date': '20120814',
+                'uploader_id': '1460825906',
             },
         },
         {
@@ -68,6 +76,9 @@ class BrightcoveLegacyIE(InfoExtractor):
                 'title': 'This Bracelet Acts as a Personal Thermostat',
                 'description': 'md5:547b78c64f4112766ccf4e151c20b6a0',
                 'uploader': 'Mashable',
+                'timestamp': 1382041798,
+                'upload_date': '20131017',
+                'uploader_id': '1130468786001',
             },
         },
         {
@@ -81,22 +92,26 @@ class BrightcoveLegacyIE(InfoExtractor):
                 'description': 'md5:363109c02998fee92ec02211bd8000df',
                 'uploader': 'National Ballet of Canada',
             },
+            'skip': 'Video gone',
         },
         {
             # test flv videos served by akamaihd.net
             # From http://www.redbull.com/en/bike/stories/1331655643987/replay-uci-dh-world-cup-2014-from-fort-william
-            'url': 'http://c.brightcove.com/services/viewer/htmlFederated?%40videoPlayer=ref%3ABC2996102916001&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',
+            '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',
             # The md5 checksum changes on each download
             'info_dict': {
-                'id': '2996102916001',
+                'id': '3750436379001',
                 'ext': 'flv',
                 'title': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
-                'uploader': 'Red Bull TV',
+                'uploader': 'RBTV Old (do not use)',
                 'description': 'UCI MTB World Cup 2014: Fort William, UK - Downhill Finals',
+                'timestamp': 1409122195,
+                'upload_date': '20140827',
+                'uploader_id': '710858724001',
             },
         },
         {
-            # playlist test
+            # playlist with 'videoList'
             # from http://support.brightcove.com/en/video-cloud/docs/playlist-support-single-video-players
             'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=3550052898001&playerKey=AQ%7E%7E%2CAAABmA9XpXk%7E%2C-Kp7jNgisre1fG5OdqpAFUTcs0lP_ZoL',
             'info_dict': {
@@ -105,7 +120,22 @@ class BrightcoveLegacyIE(InfoExtractor):
             },
             'playlist_mincount': 7,
         },
+        {
+            # playlist with 'playlistTab' (https://github.com/rg3/youtube-dl/issues/9965)
+            'url': 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=AQ%7E%7E,AAABXlLMdok%7E,NJ4EoMlZ4rZdx9eU1rkMVd8EaYPBBUlg',
+            'info_dict': {
+                'id': '1522758701001',
+                'title': 'Lesson 08',
+            },
+            'playlist_mincount': 10,
+        },
     ]
+    FLV_VCODECS = {
+        1: 'SORENSON',
+        2: 'ON2',
+        3: 'H264',
+        4: 'VP8',
+    }
 
     @classmethod
     def _build_brighcove_url(cls, object_str):
@@ -136,17 +166,20 @@ class BrightcoveLegacyIE(InfoExtractor):
         else:
             flashvars = {}
 
+        data_url = object_doc.attrib.get('data', '')
+        data_url_params = compat_parse_qs(compat_urllib_parse_urlparse(data_url).query)
+
         def find_param(name):
             if name in flashvars:
                 return flashvars[name]
             node = find_xpath_attr(object_doc, './param', 'name', name)
             if node is not None:
                 return node.attrib['value']
-            return None
+            return data_url_params.get(name)
 
         params = {}
 
-        playerID = find_param('playerID')
+        playerID = find_param('playerID') or find_param('playerId')
         if playerID is None:
             raise ExtractorError('Cannot find player ID')
         params['playerID'] = playerID
@@ -155,9 +188,19 @@ class BrightcoveLegacyIE(InfoExtractor):
         # Not all pages define this value
         if playerKey is not None:
             params['playerKey'] = playerKey
-        # The three fields hold the id of the video
-        videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID')
+        # These fields hold the id of the video
+        videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID') or find_param('@videoList')
         if videoPlayer is not None:
+            if isinstance(videoPlayer, list):
+                videoPlayer = videoPlayer[0]
+            videoPlayer = videoPlayer.strip()
+            # UUID is also possible for videoPlayer (e.g.
+            # http://www.popcornflix.com/hoodies-vs-hooligans/7f2d2b87-bbf2-4623-acfb-ea942b4f01dd
+            # or http://www8.hp.com/cn/zh/home.html)
+            if not (re.match(
+                    r'^(?:\d+|[\da-fA-F]{8}-?[\da-fA-F]{4}-?[\da-fA-F]{4}-?[\da-fA-F]{4}-?[\da-fA-F]{12})$',
+                    videoPlayer) or videoPlayer.startswith('ref:')):
+                return None
             params['@videoPlayer'] = videoPlayer
         linkBase = find_param('linkBaseURL')
         if linkBase is not None:
@@ -171,7 +214,7 @@ class BrightcoveLegacyIE(InfoExtractor):
         #   // build Brightcove <object /> XML
         # }
         m = re.search(
-            r'''(?x)customBC.\createVideo\(
+            r'''(?x)customBC\.createVideo\(
                 .*?                                                  # skipping width and height
                 ["\'](?P<playerID>\d+)["\']\s*,\s*                   # playerID
                 ["\'](?P<playerKey>AQ[^"\']{48})[^"\']*["\']\s*,\s*  # playerKey begins with AQ and is 50 characters
@@ -184,8 +227,7 @@ class BrightcoveLegacyIE(InfoExtractor):
 
     @classmethod
     def _make_brightcove_url(cls, params):
-        data = compat_urllib_parse.urlencode(params)
-        return cls._FEDERATED_URL_TEMPLATE % data
+        return update_url_query(cls._FEDERATED_URL, params)
 
     @classmethod
     def _extract_brightcove_url(cls, webpage):
@@ -200,13 +242,16 @@ class BrightcoveLegacyIE(InfoExtractor):
         """Return a list of all Brightcove URLs from the webpage """
 
         url_m = re.search(
-            r'<meta\s+property=[\'"]og:video[\'"]\s+content=[\'"](https?://(?:secure|c)\.brightcove.com/[^\'"]+)[\'"]',
-            webpage)
+            r'''(?x)
+                <meta\s+
+                    (?:property|itemprop)=([\'"])(?:og:video|embedURL)\1[^>]+
+                    content=([\'"])(?P<url>https?://(?:secure|c)\.brightcove.com/(?:(?!\2).)+)\2
+            ''', webpage)
         if url_m:
-            url = unescapeHTML(url_m.group(1))
+            url = unescapeHTML(url_m.group('url'))
             # Some sites don't add it, we can't download with this url, for example:
             # http://www.ktvu.com/videos/news/raw-video-caltrain-releases-video-of-man-almost/vCTZdY/
-            if 'playerKey' in url or 'videoId' in url:
+            if 'playerKey' in url or 'videoId' in url or 'idVideo' in url:
                 return [url]
 
         matches = re.findall(
@@ -227,7 +272,7 @@ class BrightcoveLegacyIE(InfoExtractor):
         url, smuggled_data = unsmuggle_url(url, {})
 
         # Change the 'videoId' and others field to '@videoPlayer'
-        url = re.sub(r'(?<=[?&])(videoI(d|D)|bctid)', '%40videoPlayer', url)
+        url = re.sub(r'(?<=[?&])(videoI(d|D)|idVideo|bctid)', '%40videoPlayer', url)
         # Change bckey (used by bcove.me urls) to playerKey
         url = re.sub(r'(?<=[?&])bckey', 'playerKey', url)
         mobj = re.match(self._VALID_URL, url)
@@ -239,7 +284,7 @@ class BrightcoveLegacyIE(InfoExtractor):
             # We set the original url as the default 'Referer' header
             referer = smuggled_data.get('Referer', url)
             return self._get_video_info(
-                videoPlayer[0], query_str, query, referer=referer)
+                videoPlayer[0], query, referer=referer)
         elif 'playerKey' in query:
             player_key = query['playerKey']
             return self._get_playlist_info(player_key[0])
@@ -248,15 +293,14 @@ class BrightcoveLegacyIE(InfoExtractor):
                 'Cannot find playerKey= variable. Did you forget quotes in a shell invocation?',
                 expected=True)
 
-    def _get_video_info(self, video_id, query_str, query, referer=None):
-        request_url = self._FEDERATED_URL_TEMPLATE % query_str
-        req = sanitized_Request(request_url)
+    def _get_video_info(self, video_id, query, referer=None):
+        headers = {}
         linkBase = query.get('linkBaseURL')
         if linkBase is not None:
             referer = linkBase[0]
         if referer is not None:
-            req.add_header('Referer', referer)
-        webpage = self._download_webpage(req, video_id)
+            headers['Referer'] = referer
+        webpage = self._download_webpage(self._FEDERATED_URL, video_id, headers=headers, query=query)
 
         error_msg = self._html_search_regex(
             r"<h1>We're sorry.</h1>([\s\n]*<p>.*?</p>)+", webpage,
@@ -279,24 +323,35 @@ class BrightcoveLegacyIE(InfoExtractor):
             info_url, player_key, 'Downloading playlist information')
 
         json_data = json.loads(playlist_info)
-        if 'videoList' not in json_data:
+        if 'videoList' in json_data:
+            playlist_info = json_data['videoList']
+            playlist_dto = playlist_info['mediaCollectionDTO']
+        elif 'playlistTabs' in json_data:
+            playlist_info = json_data['playlistTabs']
+            playlist_dto = playlist_info['lineupListDTO']['playlistDTOs'][0]
+        else:
             raise ExtractorError('Empty playlist')
-        playlist_info = json_data['videoList']
-        videos = [self._extract_video_info(video_info) for video_info in playlist_info['mediaCollectionDTO']['videoDTOs']]
+
+        videos = [self._extract_video_info(video_info) for video_info in playlist_dto['videoDTOs']]
 
         return self.playlist_result(videos, playlist_id='%s' % playlist_info['id'],
-                                    playlist_title=playlist_info['mediaCollectionDTO']['displayName'])
+                                    playlist_title=playlist_dto['displayName'])
 
     def _extract_video_info(self, video_info):
+        video_id = compat_str(video_info['id'])
+        publisher_id = video_info.get('publisherId')
         info = {
-            'id': compat_str(video_info['id']),
+            'id': video_id,
             'title': video_info['displayName'].strip(),
             'description': video_info.get('shortDescription'),
             'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'),
             'uploader': video_info.get('publisherName'),
+            'uploader_id': compat_str(publisher_id) if publisher_id else None,
+            'duration': float_or_none(video_info.get('length'), 1000),
+            'timestamp': int_or_none(video_info.get('creationDate'), 1000),
         }
 
-        renditions = video_info.get('renditions')
+        renditions = video_info.get('renditions', []) + video_info.get('IOSRenditions', [])
         if renditions:
             formats = []
             for rend in renditions:
@@ -308,7 +363,8 @@ class BrightcoveLegacyIE(InfoExtractor):
                     url_comp = compat_urllib_parse_urlparse(url)
                     if url_comp.path.endswith('.m3u8'):
                         formats.extend(
-                            self._extract_m3u8_formats(url, info['id'], 'mp4'))
+                            self._extract_m3u8_formats(
+                                url, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
                         continue
                     elif 'akamaihd.net' in url_comp.netloc:
                         # This type of renditions are served through
@@ -317,19 +373,42 @@ class BrightcoveLegacyIE(InfoExtractor):
                         ext = 'flv'
                 if ext is None:
                     ext = determine_ext(url)
-                size = rend.get('size')
-                formats.append({
+                tbr = int_or_none(rend.get('encodingRate'), 1000)
+                a_format = {
+                    'format_id': 'http%s' % ('-%s' % tbr if tbr else ''),
                     'url': url,
                     'ext': ext,
-                    'height': rend.get('frameHeight'),
-                    'width': rend.get('frameWidth'),
-                    'filesize': size if size != 0 else None,
-                })
+                    'filesize': int_or_none(rend.get('size')) or None,
+                    'tbr': tbr,
+                }
+                if rend.get('audioOnly'):
+                    a_format.update({
+                        'vcodec': 'none',
+                    })
+                else:
+                    a_format.update({
+                        'height': int_or_none(rend.get('frameHeight')),
+                        'width': int_or_none(rend.get('frameWidth')),
+                        'vcodec': rend.get('videoCodec'),
+                    })
+
+                # m3u8 manifests with remote == false are media playlists
+                # Not calling _extract_m3u8_formats here to save network traffic
+                if ext == 'm3u8':
+                    a_format.update({
+                        'format_id': 'hls%s' % ('-%s' % tbr if tbr else ''),
+                        'ext': 'mp4',
+                        'protocol': 'm3u8_native',
+                    })
+
+                formats.append(a_format)
             self._sort_formats(formats)
             info['formats'] = formats
         elif video_info.get('FLVFullLengthURL') is not None:
             info.update({
                 'url': video_info['FLVFullLengthURL'],
+                'vcodec': self.FLV_VCODECS.get(video_info.get('FLVFullCodec')),
+                'filesize': int_or_none(video_info.get('FLVFullSize')),
             })
 
         if self._downloader.params.get('include_ads', False):
@@ -349,13 +428,13 @@ class BrightcoveLegacyIE(InfoExtractor):
                     return ad_info
 
         if 'url' not in info and not info.get('formats'):
-            raise ExtractorError('Unable to extract video url for %s' % info['id'])
+            raise ExtractorError('Unable to extract video url for %s' % video_id)
         return info
 
 
 class BrightcoveNewIE(InfoExtractor):
     IE_NAME = 'brightcove:new'
-    _VALID_URL = r'https?://players\.brightcove\.net/(?P<account_id>\d+)/(?P<player_id>[^/]+)_(?P<embed>[^/]+)/index\.html\?.*videoId=(?P<video_id>(?:ref:)?\d+)'
+    _VALID_URL = r'https?://players\.brightcove\.net/(?P<account_id>\d+)/(?P<player_id>[^/]+)_(?P<embed>[^/]+)/index\.html\?.*videoId=(?P<video_id>\d+|ref:[^&]+)'
     _TESTS = [{
         'url': 'http://players.brightcove.net/929656772001/e41d32dc-ec74-459e-a845-6c69f7b724ea_default/index.html?videoId=4463358922001',
         'md5': 'c8100925723840d4b0d243f7025703be',
@@ -385,12 +464,21 @@ class BrightcoveNewIE(InfoExtractor):
             'formats': 'mincount:41',
         },
         'params': {
+            # m3u8 download
             'skip_download': True,
         }
     }, {
         # ref: prefixed video id
         'url': 'http://players.brightcove.net/3910869709001/21519b5c-4b3b-4363-accb-bdc8f358f823_default/index.html?videoId=ref:7069442',
         'only_matching': True,
+    }, {
+        # non numeric ref: prefixed video id
+        'url': 'http://players.brightcove.net/710858724001/default_default/index.html?videoId=ref:event-stream-356',
+        'only_matching': True,
+    }, {
+        # unavailable video without message but with error_code
+        'url': 'http://players.brightcove.net/1305187701/c832abfb-641b-44eb-9da0-2fe76786505f_default/index.html?videoId=4377407326001',
+        'only_matching': True,
     }]
 
     @staticmethod
@@ -410,8 +498,8 @@ class BrightcoveNewIE(InfoExtractor):
 
         # Look for iframe embeds [1]
         for _, url in re.findall(
-                r'<iframe[^>]+src=(["\'])((?:https?:)//players\.brightcove\.net/\d+/[^/]+/index\.html.+?)\1', webpage):
-            entries.append(url)
+                r'<iframe[^>]+src=(["\'])((?:https?:)?//players\.brightcove\.net/\d+/[^/]+/index\.html.+?)\1', webpage):
+            entries.append(url if url.startswith('http') else 'http:' + url)
 
         # Look for embed_in_page embeds [2]
         for video_id, account_id, player_id, embed in re.findall(
@@ -420,11 +508,11 @@ class BrightcoveNewIE(InfoExtractor):
                 # According to [4] data-video-id may be prefixed with ref:
                 r'''(?sx)
                     <video[^>]+
-                        data-video-id=["\']((?:ref:)?\d+)["\'][^>]*>.*?
+                        data-video-id=["\'](\d+|ref:[^"\']+)["\'][^>]*>.*?
                     </video>.*?
                     <script[^>]+
                         src=["\'](?:https?:)?//players\.brightcove\.net/
-                        (\d+)/([\da-f-]+)_([^/]+)/index\.min\.js
+                        (\d+)/([^/]+)_([^/]+)/index(?:\.min)?\.js
                 ''', webpage):
             entries.append(
                 'http://players.brightcove.net/%s/%s_%s/index.html?videoId=%s'
@@ -433,6 +521,9 @@ class BrightcoveNewIE(InfoExtractor):
         return entries
 
     def _real_extract(self, url):
+        url, smuggled_data = unsmuggle_url(url, {})
+        self._initialize_geo_bypass(smuggled_data.get('geo_countries'))
+
         account_id, player_id, embed, video_id = re.match(self._VALID_URL, url).groups()
 
         webpage = self._download_webpage(
@@ -454,24 +545,38 @@ class BrightcoveNewIE(InfoExtractor):
                 r'policyKey\s*:\s*(["\'])(?P<pk>.+?)\1',
                 webpage, 'policy key', group='pk')
 
-        req = sanitized_Request(
-            'https://edge.api.brightcove.com/playback/v1/accounts/%s/videos/%s'
-            % (account_id, video_id),
-            headers={'Accept': 'application/json;pk=%s' % policy_key})
-        json_data = self._download_json(req, video_id)
+        api_url = 'https://edge.api.brightcove.com/playback/v1/accounts/%s/videos/%s' % (account_id, video_id)
+        try:
+            json_data = self._download_json(api_url, video_id, headers={
+                'Accept': 'application/json;pk=%s' % policy_key
+            })
+        except ExtractorError as e:
+            if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
+                json_data = self._parse_json(e.cause.read().decode(), video_id)[0]
+                message = json_data.get('message') or json_data['error_code']
+                if json_data.get('error_subcode') == 'CLIENT_GEO':
+                    self.raise_geo_restricted(msg=message)
+                raise ExtractorError(message, expected=True)
+            raise
 
-        title = json_data['name']
+        title = json_data['name'].strip()
 
         formats = []
         for source in json_data.get('sources', []):
-            source_type = source.get('type')
+            container = source.get('container')
+            ext = mimetype2ext(source.get('type'))
             src = source.get('src')
-            if source_type == 'application/x-mpegURL':
+            if ext == 'ism' or container == 'WVM':
+                continue
+            elif ext == 'm3u8' or container == 'M2TS':
                 if not src:
                     continue
                 formats.extend(self._extract_m3u8_formats(
-                    src, video_id, 'mp4', entry_protocol='m3u8_native',
-                    m3u8_id='hls', fatal=False))
+                    src, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
+            elif ext == 'mpd':
+                if not src:
+                    continue
+                formats.extend(self._extract_mpd_formats(src, video_id, 'dash', fatal=False))
             else:
                 streaming_src = source.get('streaming_src')
                 stream_name, app_name = source.get('stream_name'), source.get('app_name')
@@ -479,15 +584,23 @@ class BrightcoveNewIE(InfoExtractor):
                     continue
                 tbr = float_or_none(source.get('avg_bitrate'), 1000)
                 height = int_or_none(source.get('height'))
+                width = int_or_none(source.get('width'))
                 f = {
                     'tbr': tbr,
-                    'width': int_or_none(source.get('width')),
-                    'height': height,
                     'filesize': int_or_none(source.get('size')),
-                    'container': source.get('container'),
-                    'vcodec': source.get('codec'),
-                    'ext': source.get('container').lower(),
+                    'container': container,
+                    'ext': ext or container.lower(),
                 }
+                if width == 0 and height == 0:
+                    f.update({
+                        'vcodec': 'none',
+                    })
+                else:
+                    f.update({
+                        'width': width,
+                        'height': height,
+                        'vcodec': source.get('codec'),
+                    })
 
                 def build_format_id(kind):
                     format_id = kind
@@ -501,7 +614,7 @@ class BrightcoveNewIE(InfoExtractor):
                     f.update({
                         'url': src or streaming_src,
                         'format_id': build_format_id('http' if src else 'http-streaming'),
-                        'preference': 2 if src else 1,
+                        'source_preference': 0 if src else -1,
                     })
                 else:
                     f.update({
@@ -510,22 +623,37 @@ class BrightcoveNewIE(InfoExtractor):
                         'format_id': build_format_id('rtmp'),
                     })
                 formats.append(f)
+
+        errors = json_data.get('errors')
+        if not formats and errors:
+            error = errors[0]
+            raise ExtractorError(
+                error.get('message') or error.get('error_subcode') or error['error_code'], expected=True)
+
         self._sort_formats(formats)
 
-        description = json_data.get('description')
-        thumbnail = json_data.get('thumbnail')
-        timestamp = parse_iso8601(json_data.get('published_at'))
+        subtitles = {}
+        for text_track in json_data.get('text_tracks', []):
+            if text_track.get('src'):
+                subtitles.setdefault(text_track.get('srclang'), []).append({
+                    'url': text_track['src'],
+                })
+
+        is_live = False
         duration = float_or_none(json_data.get('duration'), 1000)
-        tags = json_data.get('tags', [])
+        if duration and duration < 0:
+            is_live = True
 
         return {
             'id': video_id,
-            'title': title,
-            'description': description,
-            'thumbnail': thumbnail,
+            'title': self._live_title(title) if is_live else title,
+            'description': clean_html(json_data.get('description')),
+            'thumbnail': json_data.get('thumbnail') or json_data.get('poster'),
             'duration': duration,
-            'timestamp': timestamp,
+            'timestamp': parse_iso8601(json_data.get('published_at')),
             'uploader_id': account_id,
             'formats': formats,
-            'tags': tags,
+            'subtitles': subtitles,
+            'tags': json_data.get('tags', []),
+            'is_live': is_live,
         }