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1/***************************************************************************\r
2 externals.h - description\r
3 -------------------\r
4 begin : Wed May 15 2002\r
5 copyright : (C) 2002 by Pete Bernert\r
6 email : BlackDove@addcom.de\r
7 ***************************************************************************/\r
8/***************************************************************************\r
9 * *\r
10 * This program is free software; you can redistribute it and/or modify *\r
11 * it under the terms of the GNU General Public License as published by *\r
12 * the Free Software Foundation; either version 2 of the License, or *\r
13 * (at your option) any later version. See also the license.txt file for *\r
14 * additional informations. *\r
15 * *\r
16 ***************************************************************************/\r
17\r
18#include <stdint.h>\r
19\r
20/////////////////////////////////////////////////////////\r
21// generic defines\r
22/////////////////////////////////////////////////////////\r
23\r
24#define PSE_LT_SPU 4\r
25#define PSE_SPU_ERR_SUCCESS 0\r
26#define PSE_SPU_ERR -60\r
27#define PSE_SPU_ERR_NOTCONFIGURED PSE_SPU_ERR - 1\r
28#define PSE_SPU_ERR_INIT PSE_SPU_ERR - 2\r
29#ifndef max\r
30#define max(a,b) (((a) > (b)) ? (a) : (b))\r
31#define min(a,b) (((a) < (b)) ? (a) : (b))\r
32#endif\r
33\r
34////////////////////////////////////////////////////////////////////////\r
35// spu defines\r
36////////////////////////////////////////////////////////////////////////\r
37\r
38// sound buffer sizes\r
39// 400 ms complete sound buffer\r
40#define SOUNDSIZE 70560\r
41// 137 ms test buffer... if less than that is buffered, a new upload will happen\r
42#define TESTSIZE 24192\r
43\r
44// num of channels\r
45#define MAXCHAN 24\r
46\r
47// ~ 1 ms of data\r
48// note: must be even due to the way reverb works now\r
49#define FRAG_MSECS 2\r
50#define NSSIZE ((44100 * FRAG_MSECS / 1000 + 1) & ~1)\r
51\r
52///////////////////////////////////////////////////////////\r
53// struct defines\r
54///////////////////////////////////////////////////////////\r
55\r
56// ADSR INFOS PER CHANNEL\r
57typedef struct\r
58{\r
59 int AttackModeExp;\r
60 long AttackTime;\r
61 long DecayTime;\r
62 long SustainLevel;\r
63 int SustainModeExp;\r
64 long SustainModeDec;\r
65 long SustainTime;\r
66 int ReleaseModeExp;\r
67 unsigned long ReleaseVal;\r
68 long ReleaseTime;\r
69 long ReleaseStartTime; \r
70 long ReleaseVol; \r
71 long lTime;\r
72 long lVolume;\r
73} ADSRInfo;\r
74\r
75typedef struct\r
76{\r
77 unsigned char State:2;\r
78 unsigned char AttackModeExp:1;\r
79 unsigned char SustainModeExp:1;\r
80 unsigned char SustainIncrease:1;\r
81 unsigned char ReleaseModeExp:1;\r
82 unsigned char AttackRate;\r
83 unsigned char DecayRate;\r
84 unsigned char SustainLevel;\r
85 unsigned char SustainRate;\r
86 unsigned char ReleaseRate;\r
87 int EnvelopeVol;\r
88} ADSRInfoEx;\r
89 \r
90///////////////////////////////////////////////////////////\r
91\r
92// Tmp Flags\r
93\r
94// used for debug channel muting\r
95#define FLAG_MUTE 1\r
96\r
97// used for simple interpolation\r
98#define FLAG_IPOL0 2\r
99#define FLAG_IPOL1 4\r
100\r
101///////////////////////////////////////////////////////////\r
102\r
103// MAIN CHANNEL STRUCT\r
104typedef struct\r
105{\r
106 int iSBPos; // mixing stuff\r
107 int spos;\r
108 int sinc;\r
109\r
110 unsigned char * pStart; // start ptr into sound mem\r
111 unsigned char * pCurr; // current pos in sound mem\r
112 unsigned char * pLoop; // loop ptr in sound mem\r
113\r
114 unsigned int bStop:1; // is channel stopped (sample _can_ still be playing, ADSR Release phase)\r
115 unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active\r
116 unsigned int bIgnoreLoop:1; // ignore loop bit, if an external loop address is used\r
117 unsigned int bRVBActive:1; // reverb active flag\r
118 unsigned int bNoise:1; // noise active flag\r
119 unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel)\r
120\r
121 int iActFreq; // current psx pitch\r
122 int iUsedFreq; // current pc pitch\r
123 int iLeftVolume; // left volume\r
124 int iRightVolume; // right volume\r
125 ADSRInfoEx ADSRX;\r
126 int iRawPitch; // raw pitch (0...3fff)\r
127\r
128 int SB[32+4];\r
129} SPUCHAN;\r
130\r
131///////////////////////////////////////////////////////////\r
132\r
133typedef struct\r
134{\r
135 int StartAddr; // reverb area start addr in samples\r
136 int CurrAddr; // reverb area curr addr in samples\r
137\r
138 int VolLeft;\r
139 int VolRight;\r
140 int iRVBLeft;\r
141 int iRVBRight;\r
142\r
143 int FB_SRC_A; // (offset)\r
144 int FB_SRC_B; // (offset)\r
145 int IIR_ALPHA; // (coef.)\r
146 int ACC_COEF_A; // (coef.)\r
147 int ACC_COEF_B; // (coef.)\r
148 int ACC_COEF_C; // (coef.)\r
149 int ACC_COEF_D; // (coef.)\r
150 int IIR_COEF; // (coef.)\r
151 int FB_ALPHA; // (coef.)\r
152 int FB_X; // (coef.)\r
153 int IIR_DEST_A0; // (offset)\r
154 int IIR_DEST_A1; // (offset)\r
155 int ACC_SRC_A0; // (offset)\r
156 int ACC_SRC_A1; // (offset)\r
157 int ACC_SRC_B0; // (offset)\r
158 int ACC_SRC_B1; // (offset)\r
159 int IIR_SRC_A0; // (offset)\r
160 int IIR_SRC_A1; // (offset)\r
161 int IIR_DEST_B0; // (offset)\r
162 int IIR_DEST_B1; // (offset)\r
163 int ACC_SRC_C0; // (offset)\r
164 int ACC_SRC_C1; // (offset)\r
165 int ACC_SRC_D0; // (offset)\r
166 int ACC_SRC_D1; // (offset)\r
167 int IIR_SRC_B1; // (offset)\r
168 int IIR_SRC_B0; // (offset)\r
169 int MIX_DEST_A0; // (offset)\r
170 int MIX_DEST_A1; // (offset)\r
171 int MIX_DEST_B0; // (offset)\r
172 int MIX_DEST_B1; // (offset)\r
173 int IN_COEF_L; // (coef.)\r
174 int IN_COEF_R; // (coef.)\r
175\r
176 int dirty; // registers changed\r
177\r
178 // normalized offsets\r
179 int nIIR_DEST_A0, nIIR_DEST_A1, nIIR_DEST_B0, nIIR_DEST_B1,\r
180 nACC_SRC_A0, nACC_SRC_A1, nACC_SRC_B0, nACC_SRC_B1, \r
181 nIIR_SRC_A0, nIIR_SRC_A1, nIIR_SRC_B0, nIIR_SRC_B1,\r
182 nACC_SRC_C0, nACC_SRC_C1, nACC_SRC_D0, nACC_SRC_D1,\r
183 nMIX_DEST_A0, nMIX_DEST_A1, nMIX_DEST_B0, nMIX_DEST_B1;\r
184 // MIX_DEST_xx - FB_SRC_x\r
185 int nFB_SRC_A0, nFB_SRC_A1, nFB_SRC_B0, nFB_SRC_B1;\r
186} REVERBInfo;\r
187\r
188///////////////////////////////////////////////////////////\r
189// SPU.C globals\r
190///////////////////////////////////////////////////////////\r
191\r
192#ifndef _IN_SPU\r
193\r
194// psx buffers / addresses\r
195\r
196extern unsigned short regArea[]; \r
197extern unsigned short spuMem[];\r
198extern unsigned char * spuMemC;\r
199extern unsigned char * pSpuIrq;\r
200extern unsigned char * pSpuBuffer;\r
201\r
202#define regAreaGet(ch,offset) \\r
203 regArea[((ch<<4)|(offset))>>1]\r
204\r
205// user settings\r
206\r
207extern int iVolume;\r
208extern int iXAPitch;\r
209extern int iUseTimer;\r
210extern int iSPUIRQWait;\r
211extern int iDebugMode;\r
212extern int iRecordMode;\r
213extern int iUseReverb;\r
214extern int iUseInterpolation;\r
215// MISC\r
216\r
217extern int iSpuAsyncWait;\r
218\r
219extern SPUCHAN s_chan[];\r
220extern REVERBInfo rvb;\r
221\r
222extern unsigned long dwNoiseVal;\r
223extern unsigned short spuCtrl;\r
224extern unsigned short spuStat;\r
225extern unsigned short spuIrq;\r
226extern unsigned long spuAddr;\r
227extern int bEndThread; \r
228extern int bThreadEnded;\r
229extern int bSpuInit;\r
230extern unsigned int dwNewChannel;\r
231extern unsigned int dwChannelOn;\r
232extern unsigned int dwPendingChanOff;\r
233extern unsigned int dwChannelDead;\r
234\r
235extern int SSumR[];\r
236extern int SSumL[];\r
237extern int iCycle;\r
238extern short * pS;\r
239\r
240extern void (CALLBACK *cddavCallback)(unsigned short,unsigned short);\r
241\r
242#endif\r
243\r
244///////////////////////////////////////////////////////////\r
245// XA.C globals\r
246///////////////////////////////////////////////////////////\r
247\r
248#ifndef _IN_XA\r
249\r
250extern xa_decode_t * xapGlobal;\r
251\r
252extern uint32_t * XAFeed;\r
253extern uint32_t * XAPlay;\r
254extern uint32_t * XAStart;\r
255extern uint32_t * XAEnd;\r
256\r
257extern uint32_t XARepeat;\r
258extern uint32_t XALastVal;\r
259\r
260extern uint32_t * CDDAFeed;\r
261extern uint32_t * CDDAPlay;\r
262extern uint32_t * CDDAStart;\r
263extern uint32_t * CDDAEnd;\r
264\r
265extern int iLeftXAVol;\r
266extern int iRightXAVol;\r
267\r
268#endif\r
269\r
270///////////////////////////////////////////////////////////\r
271// REVERB.C globals\r
272///////////////////////////////////////////////////////////\r
273\r
274#ifndef _IN_REVERB\r
275\r
276extern int * sRVBPlay;\r
277extern int * sRVBEnd;\r
278extern int * sRVBStart;\r
279\r
280#endif\r
ARM optimized PCSX fork