+ timestamp = unified_timestamp(self._html_search_meta(
+ 'uploadDate', webpage, 'timestamp', default=None))
+
+ uploader = self._html_search_regex(
+ r'<h\d[^>]+\bclass=["\']channel-preview-name[^>]+>(.+?)</h',
+ webpage, 'uploader', default=None)
+
+ title, description, thumbnail, duration = [None] * 4
+
+ medium = self._parse_json(
+ self._search_regex(
+ r'jsonMedium\s*=\s*({.+?});', webpage, 'JSON medium',
+ default='{}'),
+ video_id, fatal=False)
+ if medium:
+ title = medium.get('title')
+ duration = float_or_none(medium.get('duration'))
+ if not timestamp:
+ timestamp = unified_timestamp(medium.get('publishDate'))
+
+ post = self._parse_json(
+ self._search_regex(
+ r'fb_post\s*=\s*(\{.*?\});', webpage, 'post details',
+ default='{}'),
+ video_id, fatal=False)
+ if post:
+ if not title:
+ title = post.get('name')
+ description = post.get('description')
+ thumbnail = post.get('picture')
+
+ if not title:
+ title = self._og_search_title(webpage)
+ if not description:
+ description = self._og_search_description(webpage)
+ if not duration:
+ duration = int_or_none(self._html_search_meta(
+ ('video:duration', 'duration'), webpage, 'duration', default=False))