sndpsetpitch.c
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/*====================================================================
* sndpsetpitch.c
*
* Copyright 1995, 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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,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 Unpublished - rights reserved under the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 "sndp.h"
#include <os_internal.h>
#include <ultraerror.h>
void alSndpSetPitch(ALSndPlayer *sndp, f32 pitch)
{
ALSndpEvent evt;
ALSoundState *sState = sndp->sndState;
/*
* If this is set during playback there will be
* a the envelope lengths won't be accurate - but you can still
* do it.
*/
#ifdef _DEBUG
if ((sndp->target >= sndp->maxSounds) || (sndp->target < 0)){
__osError(ERR_ALSNDPSETPAR, 2, sndp->target, sndp->maxSounds-1);
return;
}
#endif
evt.pitch.type = AL_SNDP_PITCH_EVT;
evt.pitch.state = &sState[sndp->target];
evt.pitch.pitch = pitch;
alEvtqPostEvent(&sndp->evtq, (ALEvent *)&evt, 0);
}