+ formats = []
+ format_urls = set()
+
+ sources = self._parse_json(
+ self._search_regex(
+ r'sources\s*:\s*({.+?})\s*,?\s*\n', webpage, 'sources',
+ default='{}'),
+ video_id, fatal=False)
+ for format_id, format_url in sources.items():
+ if not isinstance(format_url, compat_str):
+ continue
+ if format_url in format_urls:
+ continue
+ format_urls.add(format_url)
+ formats.append({
+ 'format_id': format_id,
+ 'url': format_url,
+ 'height': int_or_none(self._search_regex(
+ r'^(\d+)[pP]', format_id, 'height', default=None))
+ })
+
+ video_url = self._search_regex(
+ [r'''file\s*:\s*(?P<q>["'])(?P<mp4>.+?)(?P=q)''',
+ r'''<a\s+href=(?P<q>["'])(?P<mp4>.+?)(?P=q)\s+class=["']mp4Thumb''',
+ r'''<video[^>]+file=(?P<q>["'])(?P<mp4>.+?)(?P=q)[^>]*>'''],
+ webpage, 'video url', group='mp4', default=None)
+ if video_url and video_url not in format_urls:
+ formats.append({
+ 'url': video_url,
+ })
+
+ self._sort_formats(formats)
+