| .TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library" |
| .SH "NAME" |
| .LP |
| \fBMP4GetTrackEditStart\fR \- Get the start time of a track edit segment |
| .SH "SYNTAX" |
| .LP |
| #include <mp4.h> |
| .LP |
| MP4Timestamp \fBMP4GetTrackEditStart\fR( |
| .br |
| MP4FileHandle \fIhFile\fP, |
| .br |
| MP4TrackId \fItrackId\fP, |
| .br |
| MP4EditId \fIeditId\fP |
| .br |
| ) |
| .SH "ARGUMENTS" |
| .LP |
| .TP |
| \fIhFile\fP |
| Specifies the mp4 file to which the operation applies. |
| .TP |
| \fItrackId\fP |
| Specifies the track to which the operation applies. |
| .TP |
| \fIeditId\fP |
| Specifies the edit segment for which the start time is desired. |
| .SH "RETURN VALUES" |
| .LP |
| The start time of the edit segment in track time scale units of the track in the mp4 file. |
| .SH "DESCRIPTION" |
| .LP |
| \fBMP4GetTrackEditStart\fR returns the start time of the of the specified track edit segment in the timeline of the track edit list. |
| .LP |
| Caveat: The value is in units of the track time scale. |
| .LP |
| Note that this differs from the edit segment media start time, MP4GetTrackEditMediaStart(). For example: |
| .LP |
| EditId Start MediaStart Duration |
| 1 0 15 30 |
| .br |
| 2 30 120 20 |
| .br |
| 3 50 3000 10 |
| .SH "SEE ALSO" |
| .LP |
| MP4(3) MP4SetTrackEditStart(3) |
