webpage, 'approximate filesize', fatal=False))
tbr = int_or_none(self._html_search_regex(
r'<div class="quality[^"]*"></div>\s*([0-9]+)\s*kbps',
webpage, 'approximate filesize', fatal=False))
tbr = int_or_none(self._html_search_regex(
r'<div class="quality[^"]*"></div>\s*([0-9]+)\s*kbps',