mp4gettimescale.3

网络MPEG4IP流媒体开发源代码

.TH "MP4" "3" "Version 0.9" "Cisco Systems Inc." "MP4 File Format Library"
.SH "NAME"
.LP 
\fBMP4GetTimeScale\fR \- Get the time scale of the movie (file)
.SH "SYNTAX"
.LP 
#include <mp4.h>
.LP 
u_int32_t \fBMP4GetTimeScale\fR(
.br 
	MP4FileHandle \fIhFile\fP
.br 
)
.SH "ARGUMENTS"
.LP 
.TP 
\fIhFile\fP
Specifies the mp4 file to which the operation applies.
.SH "RETURN VALUES"
.LP 
The time scale (ticks per second) of the mp4 file.
.SH "DESCRIPTION"
.LP 
\fBMP4GetTimeScale\fR returns the time scale in units of ticks per second for the mp4 file. Caveat: tracks may use the same time scale as the movie or may use their own time scale.
.SH "SEE ALSO"
.LP 
MP4(3) MP4SetTimeScale(3) MP4GetTrackTimeScale(3)