MP4

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

NAME

MP4GetSampleDuration - Get the duration of a track sample

SYNTAX

#include <mp4.h>

MP4Duration MP4GetSampleDuration(
       MP4FileHandle hFile,

       MP4TrackId trackId,

       MP4SampleId sampleId

);

ARGUMENTS

hFile: Specifies the mp4 file to which the operation applies.
trackId: Specifies the track to which the operation applies.
sampleId: Specifies the sample to which the operation applies. Caveat: the first sample has id 1 not 0.

RETURN VALUES

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

DESCRIPTION

MP4GetSampleDuration returns the duration of the specified sample from the specified track in the track time scale units. See MP4ConvertFromTrackDuration() for how to map this value to another time scale.

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