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spu: support multiple pending buffers
[pcsx_rearmed.git] / plugins / dfsound / externals.h
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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#ifdef __GNUC__\r
25#define noinline __attribute__((noinline))\r
26#define unlikely(x) __builtin_expect((x), 0)\r
27#else\r
28#define noinline\r
29#define unlikely(x) x\r
30#endif\r
31\r
32#define PSE_LT_SPU 4\r
33#define PSE_SPU_ERR_SUCCESS 0\r
34#define PSE_SPU_ERR -60\r
35#define PSE_SPU_ERR_NOTCONFIGURED PSE_SPU_ERR - 1\r
36#define PSE_SPU_ERR_INIT PSE_SPU_ERR - 2\r
37#ifndef max\r
38#define max(a,b) (((a) > (b)) ? (a) : (b))\r
39#define min(a,b) (((a) < (b)) ? (a) : (b))\r
40#endif\r
41\r
42////////////////////////////////////////////////////////////////////////\r
43// spu defines\r
44////////////////////////////////////////////////////////////////////////\r
45\r
46// num of channels\r
47#define MAXCHAN 24\r
48\r
49// note: must be even due to the way reverb works now\r
50#define NSSIZE ((44100 / 50 + 16) & ~1)\r
51\r
52///////////////////////////////////////////////////////////\r
53// struct defines\r
54///////////////////////////////////////////////////////////\r
55\r
56enum ADSR_State {\r
57 ADSR_ATTACK = 0,\r
58 ADSR_DECAY = 1,\r
59 ADSR_SUSTAIN = 2,\r
60 ADSR_RELEASE = 3,\r
61};\r
62\r
63// ADSR INFOS PER CHANNEL\r
64typedef struct\r
65{\r
66 unsigned char State:2; // ADSR_State\r
67 unsigned char AttackModeExp:1;\r
68 unsigned char SustainModeExp:1;\r
69 unsigned char SustainIncrease:1;\r
70 unsigned char ReleaseModeExp:1;\r
71 unsigned char AttackRate;\r
72 unsigned char DecayRate;\r
73 unsigned char SustainLevel;\r
74 unsigned char SustainRate;\r
75 unsigned char ReleaseRate;\r
76 int EnvelopeVol;\r
77} ADSRInfoEx;\r
78 \r
79///////////////////////////////////////////////////////////\r
80\r
81// Tmp Flags\r
82\r
83// used for debug channel muting\r
84#define FLAG_MUTE 1\r
85\r
86// used for simple interpolation\r
87#define FLAG_IPOL0 2\r
88#define FLAG_IPOL1 4\r
89\r
90///////////////////////////////////////////////////////////\r
91\r
92// MAIN CHANNEL STRUCT\r
93typedef struct\r
94{\r
95 int iSBPos; // mixing stuff\r
96 int spos;\r
97 int sinc;\r
98 int sinc_inv;\r
99\r
100 unsigned char * pCurr; // current pos in sound mem\r
101 unsigned char * pLoop; // loop ptr in sound mem\r
102\r
103 unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active\r
104 unsigned int bRVBActive:1; // reverb active flag\r
105 unsigned int bNoise:1; // noise active flag\r
106 unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel)\r
107 unsigned int prevflags:3; // flags from previous block\r
108\r
109 int iLeftVolume; // left volume\r
110 int iRightVolume; // right volume\r
111 ADSRInfoEx ADSRX;\r
112 int iRawPitch; // raw pitch (0...3fff)\r
113} SPUCHAN;\r
114\r
115///////////////////////////////////////////////////////////\r
116\r
117typedef struct\r
118{\r
119 int StartAddr; // reverb area start addr in samples\r
120 int CurrAddr; // reverb area curr addr in samples\r
121\r
122 int VolLeft;\r
123 int VolRight;\r
124 int iRVBLeft;\r
125 int iRVBRight;\r
126\r
127 int FB_SRC_A; // (offset)\r
128 int FB_SRC_B; // (offset)\r
129 int IIR_ALPHA; // (coef.)\r
130 int ACC_COEF_A; // (coef.)\r
131 int ACC_COEF_B; // (coef.)\r
132 int ACC_COEF_C; // (coef.)\r
133 int ACC_COEF_D; // (coef.)\r
134 int IIR_COEF; // (coef.)\r
135 int FB_ALPHA; // (coef.)\r
136 int FB_X; // (coef.)\r
137 int IIR_DEST_A0; // (offset)\r
138 int IIR_DEST_A1; // (offset)\r
139 int ACC_SRC_A0; // (offset)\r
140 int ACC_SRC_A1; // (offset)\r
141 int ACC_SRC_B0; // (offset)\r
142 int ACC_SRC_B1; // (offset)\r
143 int IIR_SRC_A0; // (offset)\r
144 int IIR_SRC_A1; // (offset)\r
145 int IIR_DEST_B0; // (offset)\r
146 int IIR_DEST_B1; // (offset)\r
147 int ACC_SRC_C0; // (offset)\r
148 int ACC_SRC_C1; // (offset)\r
149 int ACC_SRC_D0; // (offset)\r
150 int ACC_SRC_D1; // (offset)\r
151 int IIR_SRC_B1; // (offset)\r
152 int IIR_SRC_B0; // (offset)\r
153 int MIX_DEST_A0; // (offset)\r
154 int MIX_DEST_A1; // (offset)\r
155 int MIX_DEST_B0; // (offset)\r
156 int MIX_DEST_B1; // (offset)\r
157 int IN_COEF_L; // (coef.)\r
158 int IN_COEF_R; // (coef.)\r
159\r
160 int dirty; // registers changed\r
161\r
162 // normalized offsets\r
163 int nIIR_DEST_A0, nIIR_DEST_A1, nIIR_DEST_B0, nIIR_DEST_B1,\r
164 nACC_SRC_A0, nACC_SRC_A1, nACC_SRC_B0, nACC_SRC_B1, \r
165 nIIR_SRC_A0, nIIR_SRC_A1, nIIR_SRC_B0, nIIR_SRC_B1,\r
166 nACC_SRC_C0, nACC_SRC_C1, nACC_SRC_D0, nACC_SRC_D1,\r
167 nMIX_DEST_A0, nMIX_DEST_A1, nMIX_DEST_B0, nMIX_DEST_B1;\r
168 // MIX_DEST_xx - FB_SRC_x\r
169 int nFB_SRC_A0, nFB_SRC_A1, nFB_SRC_B0, nFB_SRC_B1;\r
170} REVERBInfo;\r
171\r
172///////////////////////////////////////////////////////////\r
173\r
174// psx buffers / addresses\r
175\r
176#define SB_SIZE (32 + 4)\r
177\r
178typedef struct\r
179{\r
180 unsigned short spuCtrl;\r
181 unsigned short spuStat;\r
182\r
183 unsigned int spuAddr;\r
184 union {\r
185 unsigned char *spuMemC;\r
186 unsigned short *spuMem;\r
187 };\r
188 unsigned char * pSpuIrq;\r
189\r
190 unsigned int cycles_played;\r
191 int decode_pos;\r
192 int decode_dirty_ch;\r
193 unsigned int bSpuInit:1;\r
194 unsigned int bSPUIsOpen:1;\r
195\r
196 unsigned int dwNoiseVal; // global noise generator\r
197 unsigned int dwNoiseCount;\r
198 unsigned int dwNewChannel; // flags for faster testing, if new channel starts\r
199 unsigned int dwChannelOn; // not silent channels\r
200 unsigned int dwChannelDead; // silent+not useful channels\r
201\r
202 unsigned char * pSpuBuffer;\r
203 short * pS;\r
204\r
205 void (CALLBACK *irqCallback)(void); // func of main emu, called on spu irq\r
206 void (CALLBACK *cddavCallback)(unsigned short,unsigned short);\r
207 void (CALLBACK *scheduleCallback)(unsigned int);\r
208\r
209 xa_decode_t * xapGlobal;\r
210 unsigned int * XAFeed;\r
211 unsigned int * XAPlay;\r
212 unsigned int * XAStart;\r
213 unsigned int * XAEnd;\r
214\r
215 unsigned int * CDDAFeed;\r
216 unsigned int * CDDAPlay;\r
217 unsigned int * CDDAStart;\r
218 unsigned int * CDDAEnd;\r
219\r
220 unsigned int XARepeat;\r
221 unsigned int XALastVal;\r
222\r
223 int iLeftXAVol;\r
224 int iRightXAVol;\r
225\r
226 SPUCHAN * s_chan;\r
227 int * SB;\r
228\r
229 int * RVB;\r
230 int * SSumLR;\r
231\r
232 int pad[29];\r
233 unsigned short regArea[0x400];\r
234} SPUInfo;\r
235\r
236///////////////////////////////////////////////////////////\r
237// SPU.C globals\r
238///////////////////////////////////////////////////////////\r
239\r
240#ifndef _IN_SPU\r
241\r
242extern SPUInfo spu;\r
243extern REVERBInfo rvb;\r
244\r
245void do_samples(unsigned int cycles_to, int do_sync);\r
246void schedule_next_irq(void);\r
247\r
248#define regAreaGet(ch,offset) \\r
249 spu.regArea[((ch<<4)|(offset))>>1]\r
250\r
251#define do_samples_if_needed(c, sync) \\r
252 do { \\r
253 if (sync || (int)((c) - spu.cycles_played) >= 16 * 768) \\r
254 do_samples(c, sync); \\r
255 } while (0)\r
256\r
257#endif\r
258\r
ARM optimized PCSX fork