n_seqpsettempo.c
1.32 KB
/*====================================================================
*
* Copyright 1993, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
* Inc.; the contents of this file may not be disclosed to third
* parties, copied or duplicated in any form, in whole or in part,
* without the prior written permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to
* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
* in Technical Data and Computer Software clause at DFARS
* 252.227-7013, and/or in similar or successor clauses in the FAR,
* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
* Copyright Laws of the United States.
*====================================================================*/
#include <libaudio.h>
#include "n_libaudio.h"
void n_alSeqpSetTempo(N_ALSeqPlayer *seqp, s32 tempo)
{
N_ALEvent evt;
evt.type = AL_SEQP_META_EVT;
evt.msg.tempo.status = AL_MIDI_Meta;
evt.msg.tempo.type = AL_MIDI_META_TEMPO;
evt.msg.tempo.byte1 = (tempo & 0xff0000)>>16;
evt.msg.tempo.byte2 = (tempo & 0xff00)>>8;
evt.msg.tempo.byte3 = tempo & 0xff;
n_alEvtqPostEvent(&seqp->evtq, &evt, 0);
}