# bitrate for itag 43 is always 2147483647
'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
'width': int_or_none(fmt.get('width')),
# bitrate for itag 43 is always 2147483647
'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
'width': int_or_none(fmt.get('width')),