MP4

Section: MP4 File Format Library (3) Updated: Version 0.9 Local index Up

NAME

MP4ConvertToTrackDuration - Convert a duration from a specified time scale to the track time scale.

SYNTAX

#include <mp4.h>

MP4Duration MP4ConvertToTrackDuration(
       MP4FileHandle hFile,

       MP4TrackId trackId,

       u_int64_t duration,

       u_int32_t oldTimeScale

)

ARGUMENTS

hFile: Specifies the mp4 file to which the operation applies.
trackId: Specifies the track from which the duration originates.
duration: Specifies the duration that is to be converted.
oldTimeScale: Specifies the time scale in ticks per second in which the duration is currently expressed.

RETURN VALUES

Upon success, the duration in the track time scale units. Upon error, MP4_INVALID_DURATION.

DESCRIPTION

MP4ConvertToTrackDuration converts a duration such as a sample duration from the specified time scale to the track time scale.

This document was created by man2html, using the manual pages.
Time: 21:50:32 GMT, April 16, 2011