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