MP4ConvertFromMovieDuration - Man Page

#include <mp4.h>

u_int64_t MP4ConvertFromMovieDuration(
MP4FileHandle hFile,
MP4Duration duration,
u_int32_t newTimeScale
)

hFile

Specifies the mp4 file to which the operation applies.

duration

Specifies the duration that is to be converted.

newTimeScale

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 scale.

MP4(3) MP4GetDuration(3)

MP4GetDuration(3).