+def parse_resolution(s):
+ if s is None:
+ return {}
+
+ mobj = re.search(r'\b(?P<w>\d+)\s*[xXĂ—]\s*(?P<h>\d+)\b', s)
+ if mobj:
+ return {
+ 'width': int(mobj.group('w')),
+ 'height': int(mobj.group('h')),
+ }
+
+ mobj = re.search(r'\b(\d+)[pPiI]\b', s)
+ if mobj:
+ return {'height': int(mobj.group(1))}
+
+ mobj = re.search(r'\b([48])[kK]\b', s)
+ if mobj:
+ return {'height': int(mobj.group(1)) * 540}
+
+ return {}
+
+