player.h
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/*====================================================================
* player.h
*
* 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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,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 Unpublished - rights reserved under the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.
*====================================================================*/
#ifndef __Player__
#define __Player__
#include <libaudio.h>
#define MAX_VECTORS 8
#define MAX_VOICES 16
#define MAX_WAVES 2
typedef enum {
START = 0,
READY = 1,
PLAY = 2
} State;
typedef void (*StateAction)(void *, int);
typedef struct {
State next;
StateAction action;
int weight;
int count; /* number of times visited */
} StateVector;
typedef struct {
int numVectors;
int weightTotal;
StateVector vector[MAX_VECTORS];
} StateMachine;
typedef struct {
State state;
ALVoice *voice;
} VoiceState;
typedef struct {
int numVoices;
} MyPlayerConfig;
typedef struct MyPlayer_s {
ALPlayer node; /* note: must be first in structure */
StateMachine sm[3];
VoiceState voices[MAX_VOICES];
int numVoices;
ALSynth *drvr;
int numWaveTables;
ALWaveTable *waves[MAX_WAVES];
int state;
} MyPlayer;
extern int playerHeapSize(MyPlayerConfig *c);
extern void playerNew(MyPlayer *p, MyPlayerConfig *c);
extern void playerDelete(MyPlayer *p);
extern void playerSetBank(MyPlayer *p, ALBank *bank);
extern int playerPlay(MyPlayer *p);
extern int playerStop(MyPlayer *p);
#endif