.TH "roar_vs_meta" "3" "May 2011" "RoarAudio" "RoarAudio Programmer's Manual"

.SH NAME
roar_vs_meta \- Update meta data for a stream

.SH SYNOPSIS

#include <roaraudio.h>

int     roar_vs_meta          (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error);

.SH "DESCRIPTION"
This function updates meta data of the stream.
This should be done before any read or write operation and can be used
at any time to update the meta data.

.SH "PARAMETERS"
.TP
\fBvss\fR
The VS object to be updated.

.TP
\fBkv\fR
An array of meta data elements.

.TP
\fBlen\fR
Length of array \fBkv\fR.

.TP
\fBerror\fR
This is a pointer to a integer used to store the error value in case of error.
This can be NULL if not used but it is very recommended to use this error value to report
good error messages to the user.

.SH "RETURN VALUE"
On success these calls return 0.  On error, \-1 is returned.

.SH "EXAMPLES"

 struct roar_keyval kv[2] = {
  {.key = "TITLE",  .value = "Some title"},
  {.key = "ARTIST", .value = "Some artist"}
 };
 ret = roar_vs_meta(vss, &kv, 2, &err);

.SH "SEE ALSO"
\fBroarvs\fR(7),
\fBlibroar\fR(7),
\fBRoarAudio\fR(7).

.\" ll