| .TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library" |
| .SH "NAME" |
| .LP |
| \fBMP4GetTrackVideoFrameRate\fR \- Get the video frame rate of the specified video track |
| .SH "SYNTAX" |
| .LP |
| #include <mp4.h> |
| .LP |
| float \fBMP4GetTrackVideoFrameRate\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 video frame rate is desired. |
| .SH "RETURN VALUES" |
| .LP |
| Upon success, the number of video frames per second of the track. Upon an error, 0. |
| .SH "DESCRIPTION" |
| .LP |
| \fBMP4GetTrackVideoFrameRate\fR returns the frame rate of the video in the specified track in the mp4 file. If the video is variable rate, the average frame rate is returned. |
| |
| .SH "SEE ALSO" |
| .LP |
| MP4(3) |
