+ data_json = self._search_regex(r'var\s+playlistItem\s*=\s*(\{.*?\});\n', webpage, 'JSON data block')
+ data = json.loads(data_json)
+
+ formats = [{
+ 'url': data['media_url'],
+ 'format_id': 'main',
+ }, {
+ 'url': data['media_url_libsyn'],
+ 'format_id': 'libsyn',
+ }]
+ thumbnail = data.get('thumbnail_url')
+ duration = parse_duration(data.get('duration'))
+