.TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library"
.SH "NAME"
.LP 
\fBMP4AddRtpHint\fR \- Add an RTP hint
.SH "SYNTAX"
.LP 
#include <mp4.h>
.LP 
bool \fBMP4AddRtpHint\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 hint track to which the operation applies.

.SH "RETURN VALUES"
.LP 
Upon success, true (1). Upon an error, false (0).
.SH "DESCRIPTION"
.LP 
\fBMP4AddRtpHint\fR creates a new hint sample for the specified hint track and enables subsequent calls to MP4AddRtpPacket() to create the RTP packets associated with this hint. After all the RTP packets for the hint have been created, MP4WriteRtpHint() should be called to write the hint to the track.
.SH "SEE ALSO"
.LP 
MP4(3) MP4AddRtpPacket(3) MP4WriteRtpHint (3)