NAME
MP4ConvertToTrackTimestamp - Convert a timestamp from a specified time
scale to the track time scale.
SYNTAX
#include <mp4.h>
MP4Timestamp MP4ConvertToTrackTimestamp(
MP4FileHandle hFile,
MP4TrackId trackId,
u_int64_t timestamp,
u_int32_t oldTimeScale
)
ARGUMENTS
hFile Specifies the mp4 file to which the operation applies.
trackId
Specifies the track from which the duration originates.
timestamp
Specifies the timestamp that is to be converted.
oldTimeScale
Specifies the time scale in ticks per second in which the
timestamp is currently expressed.
RETURN VALUES
Upon success, the timestamp in the track time scale units. Upon error,
MP4_INVALID_TIMESTAMP.
DESCRIPTION
MP4ConvertToTrackTimestamp converts a timestamp such as a sample start
time from the specified time scale to the track time scale.
SEE ALSO
MP4(3) MP4ConvertFromTrackTimestamp(3)