| .TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library" |
| .SH "NAME" |
| .LP |
| \fBMP4GetTrackNumberOfSamples\fR \- Get the number of samples in a track |
| .SH "SYNTAX" |
| .LP |
| #include <mp4.h> |
| .LP |
| u_int32_t \fBMP4GetTrackNumberOfSamples\fR( |
| .br |
| MP4FileHandle \fIhFile\fP, |
| .br |
| MP4TrackId \fItrackId\fP |
| .br |
| ) |
| .SH "ARGUMENTS" |
| .LP |
| .TP |
| \fIhFile\fP |
| Specifies the mp4 file to which the operation applies. |
| .TP |
| \fItrackId\fP |
| Specifies the track for which the number of samples is desired. |
| .SH "RETURN VALUES" |
| .LP |
| Upon success, the number of samples in the track. Upon an error, 0. |
| .SH "DESCRIPTION" |
| .LP |
| \fBMP4GetTrackNumberOfSamples\fR returns the number of samples in the specified track in the mp4 file. Sample id's are the consecutive sequence of numbers from 1 to the total number of samples, i.e. 1\-based indexing, not 0\-based indexing. |
| .SH "SEE ALSO" |
| .LP |
| MP4(3) |
