.TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library".SH "NAME".LP \fBMP4FindTrackIndex\fR \- Find a track index.SH "SYNTAX".LP #include <mp4.h>.LP u_int16_t \fBMP4FindTrackIndex\fR(.br 	MP4FileHandle \fIhFile\fP,.br 	MP4TrackId \fItrackId\fP.br ).SH "ARGUMENTS".LP .TP \fIhFile\fPSpecifies the mp4 file to which the operation applies..TP \fItrackId\fPSpecifies the track for which the index is desired. .SH "RETURN VALUES".LP Upon success, the track index of the specified track. Upon an error, 0xFFFF..SH "DESCRIPTION".LP \fBMP4FindTrackIndex\fR gets the index of the track with the specified track id. .SH "SEE ALSO".LP MP4(3) MP4FindTrackId(3)