Adjust frame number for NTSC drop frame time code.
@param framenum frame number to adjust @param fps frame per second, 30 or 60 @return adjusted frame number @warning adjustment is only valid in NTSC 29.97 and 59.94
See Implementation
Adjust frame number for NTSC drop frame time code.
@param framenum frame number to adjust @param fps frame per second, 30 or 60 @return adjusted frame number @warning adjustment is only valid in NTSC 29.97 and 59.94