- 'url': fmt[0].replace('\\', ''),
- 'format_id': fmt[1],
- 'height': int(fmt[1][:3]),
- } for fmt in re.findall(r'"file":"([^"]+)","label":"([^"]+)"', quality_arr)]
+ 'url': source['file'].replace('\\', ''),
+ 'format_id': source.get('label'),
+ 'height': self._search_regex(
+ r'^(\d+)[pP]', source.get('label', ''), 'height', default=None),
+ } for source in sources if source.get('file')]