MP4ConvertFromMovieDuration - Convert a duration from the movie (file)
time scale to a specified time scale.
hFile Specifies the mp4 file to which the operation applies.
Specifies the duration that is to be converted.
Specifies the new time scale in ticks per second to which the
duration should be converted.
Upon success, the duration in the new time scale units. Upon error, 0.
MP4ConvertFromMovieDuration converts a duration such as the total movie
(file) duration from the movie time scale to another specified time