audio.h
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/*====================================================================
* audio.h
*
* Synopsis:
*
* 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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,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 Unpublished - rights reserved under the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.
*====================================================================*/
/*---------------------------------------------------------------------*
Copyright (C) 1998 Nintendo. (Originated by SGI)
$RCSfile: audio.h,v $
$Revision: 1.1.1.1 $
$Date: 2002/05/02 03:27:21 $
*---------------------------------------------------------------------*/
#ifndef __audio__
#define __audio__
#include <ultra64.h>
#include <libaudio.h>
#include <sched.h>
#define MAX_UPDATES 32
#define MAX_EVENTS 32
#define AUDIO_HEAP_SIZE 300000
#define MAX_VOICES 22
#define EXTRA_SAMPLES 80
#define NUM_OUTPUT_BUFFERS 3 /* Need three of these */
#define OUTPUT_RATE 44100
#define MAX_MESGS 8
#define QUIT_MSG 10
#define DMA_BUFFER_LENGTH 0x800 /* Larger buffers result in fewer DMA' but more */
/* memory being used. */
#define NUM_ACMD_LISTS 2 /* two lists used by this example */
#define MAX_RSP_CMDS 4096 /* max number of commands in any command list. */
/* Mainly dependent on sequences used */
#define NUM_DMA_BUFFERS 24 /* max number of dma buffers needed. */
/* Mainly dependent on sequences and sfx's */
#define NUM_DMA_MESSAGES 32 /* The maximum number of DMAs any one frame can */
/* have. */
#define FRAME_LAG 1 /* The number of frames to keep a dma buffer. */
/* Increasing this number causes buffers to not */
/* be deleted as quickly. This results in fewer */
/* DMA's but you need more buffers. */
#define AUDIO_STACKSIZE 0x2000
#define MAX_SEQ_LENGTH 20000
typedef struct {
u32 outputRate;
u32 framesPerField;
u32 maxACMDSize;
} amConfig;
void amCreateAudioMgr(ALSynConfig *c, OSPri priority, amConfig *amc);
extern u64 audYieldBuf[];
#endif