.TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library".SH "NAME".LP \fBMP4SetTrackEditDuration\fR \- Set the duration of a track edit segment.SH "SYNTAX".LP #include <mp4.h>.LP bool \fBMP4SetTrackEditDuration\fR(.br 	MP4FileHandle \fIhFile\fP,.br 	MP4TrackId \fItrackId\fP,.br 	MP4EditId \fIeditId\fP,.br 	MP4Duration \fIduration\fP.br );.SH "ARGUMENTS".LP .TP \fIhFile\fPSpecifies the mp4 file to which the operation applies..TP \fItrackId\fPSpecifies the track to which the operation applies..TP \fIeditId\fPSpecifies the edit segment to which the operation applies. Caveat: the first edit has id 1 not 0..TP \fIduration\fPSpecies the new value for the duration in track time scale units..SH "RETURN VALUES".LP Upon success, true (1). Upon an error, false (0)..SH "DESCRIPTION".LP \fBMP4SetTrackEditDuration\fR sets the duration of the specified edit segment from the specified track in the track time scale units. See MP4ConvertToTrackDuration() for how to map this value from another time scale..SH "SEE ALSO".LP MP4(3) MP4GetTrackEditDuration(3)