'filesize': int_or_none(item.get('size')),
'vcodec': 'none' if kind == 'audio' else None,
'acodec': 'none' if kind == 'video' else None,
'filesize': int_or_none(item.get('size')),
'vcodec': 'none' if kind == 'audio' else None,
'acodec': 'none' if kind == 'video' else None,