+ video_id = m.group('id')
+
+ # some sites use this embed format (see: https://github.com/rg3/youtube-dl/issues/2990)
+ if m.group('type') == 'embed/recorded':
+ video_id = m.group('id')
+ desktop_url = 'http://www.ustream.tv/recorded/' + video_id
+ return self.url_result(desktop_url, 'Ustream')
+ if m.group('type') == 'embed':
+ video_id = m.group('id')
+ webpage = self._download_webpage(url, video_id)
+ content_video_ids = self._parse_json(self._search_regex(
+ r'ustream\.vars\.offAirContentVideoIds=([^;]+);', webpage,
+ 'content video IDs'), video_id)
+ return self.playlist_result(
+ map(lambda u: self.url_result('http://www.ustream.tv/recorded/' + u, 'Ustream'), content_video_ids),
+ video_id)
+
+ params = self._download_json(
+ 'https://api.ustream.tv/videos/%s.json' % video_id, video_id)
+
+ error = params.get('error')
+ if error:
+ raise ExtractorError(
+ '%s returned error: %s' % (self.IE_NAME, error), expected=True)
+
+ video = params['video']
+
+ title = video['title']
+ filesize = float_or_none(video.get('file_size'))