+ # width, height, res, label and title attributes are
+ # all not standard but seen several times in the wild
+ labels = [
+ s_attr.get(lbl)
+ for lbl in ('label', 'title')
+ if str_or_none(s_attr.get(lbl))
+ ]
+ width = int_or_none(s_attr.get('width'))
+ height = (int_or_none(s_attr.get('height')) or
+ int_or_none(s_attr.get('res')))
+ if not width or not height:
+ for lbl in labels:
+ resolution = parse_resolution(lbl)
+ if not resolution:
+ continue
+ width = width or resolution.get('width')
+ height = height or resolution.get('height')
+ for lbl in labels:
+ tbr = parse_bitrate(lbl)
+ if tbr:
+ break
+ else:
+ tbr = None