NAME
MP4GetTrackFixedSampleDuration - Get the fixed duration of samples in a
track
SYNTAX
#include <mp4.h>
MP4Duration MP4GetTrackFixedSampleDuration(
MP4FileHandle hFile,
MP4TrackId trackId
)
ARGUMENTS
hFile Specifies the mp4 file to which the operation applies.
trackId
Specifies the track to which the operation applies.
RETURN VALUES
Upon success, the number of fixed duration of the samples in the track
in track time scale units. Upon an error, MP4_INVALID_DURATION.
DESCRIPTION
MP4GetTrackFixedSampleDuration returns the duration of samples in the
specified track in the mp4 file, if this value is fixed for all
samples. This is typically the case for audio tracks and video tracks.
If the track samples have variable duration, then MP4_INVALID_DURATION
is returned.
SEE ALSO
MP4(3)