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ef79bbde P |
1 | /*************************************************************************** |
2 | spu.c - description | |
3 | ------------------- | |
4 | begin : Wed May 15 2002 | |
5 | copyright : (C) 2002 by Pete Bernert | |
6 | email : BlackDove@addcom.de | |
07a6dd2c | 7 | |
63a4f6b6 | 8 | Portions (C) GraÅžvydas "notaz" Ignotas, 2010-2012,2014,2015 |
07a6dd2c | 9 | |
ef79bbde P |
10 | ***************************************************************************/ |
11 | /*************************************************************************** | |
12 | * * | |
13 | * This program is free software; you can redistribute it and/or modify * | |
14 | * it under the terms of the GNU General Public License as published by * | |
15 | * the Free Software Foundation; either version 2 of the License, or * | |
16 | * (at your option) any later version. See also the license.txt file for * | |
17 | * additional informations. * | |
18 | * * | |
19 | ***************************************************************************/ | |
20 | ||
04d27b25 | 21 | #if !defined(THREAD_ENABLED) && !defined(_WIN32) && !defined(NO_OS) |
63a4f6b6 | 22 | #define THREAD_ENABLED 1 |
003cfc63 | 23 | #endif |
ef79bbde P |
24 | #include "stdafx.h" |
25 | ||
26 | #define _IN_SPU | |
27 | ||
28 | #include "externals.h" | |
3fc2a4c2 | 29 | #include "registers.h" |
07c13dfd | 30 | #include "out.h" |
3154bfab | 31 | #include "spu_config.h" |
ef79bbde | 32 | |
de4a0279 | 33 | #ifdef __arm__ |
34 | #include "arm_features.h" | |
35 | #endif | |
36 | ||
8f2bb0cb | 37 | #ifdef HAVE_ARMV7 |
1775933a | 38 | #define ssat32_to_16(v) \ |
39 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
40 | #else | |
41 | #define ssat32_to_16(v) do { \ | |
42 | if (v < -32768) v = -32768; \ | |
43 | else if (v > 32767) v = 32767; \ | |
44 | } while (0) | |
45 | #endif | |
46 | ||
fb552464 | 47 | #define PSXCLK 33868800 /* 33.8688 MHz */ |
48 | ||
650adfd2 | 49 | // intended to be ~1 frame |
50 | #define IRQ_NEAR_BLOCKS 32 | |
51 | ||
6d866bb7 | 52 | /* |
ef79bbde P |
53 | #if defined (USEMACOSX) |
54 | static char * libraryName = N_("Mac OS X Sound"); | |
55 | #elif defined (USEALSA) | |
56 | static char * libraryName = N_("ALSA Sound"); | |
57 | #elif defined (USEOSS) | |
58 | static char * libraryName = N_("OSS Sound"); | |
59 | #elif defined (USESDL) | |
60 | static char * libraryName = N_("SDL Sound"); | |
61 | #elif defined (USEPULSEAUDIO) | |
62 | static char * libraryName = N_("PulseAudio Sound"); | |
63 | #else | |
64 | static char * libraryName = N_("NULL Sound"); | |
65 | #endif | |
66 | ||
67 | static char * libraryInfo = N_("P.E.Op.S. Sound Driver V1.7\nCoded by Pete Bernert and the P.E.Op.S. team\n"); | |
6d866bb7 | 68 | */ |
ef79bbde P |
69 | |
70 | // globals | |
71 | ||
3154bfab | 72 | SPUInfo spu; |
73 | SPUConfig spu_config; | |
ef79bbde | 74 | |
5514a050 | 75 | static int iFMod[NSSIZE]; |
05c7cec7 | 76 | static int RVB[NSSIZE * 2]; |
3154bfab | 77 | int ChanBuf[NSSIZE]; |
ef79bbde | 78 | |
983a7cfd | 79 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
80 | ||
ef79bbde P |
81 | //////////////////////////////////////////////////////////////////////// |
82 | // CODE AREA | |
83 | //////////////////////////////////////////////////////////////////////// | |
84 | ||
85 | // dirty inline func includes | |
86 | ||
87 | #include "reverb.c" | |
88 | #include "adsr.c" | |
89 | ||
90 | //////////////////////////////////////////////////////////////////////// | |
91 | // helpers for simple interpolation | |
92 | ||
93 | // | |
94 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
95 | // | |
96 | // instead of having n equal sample values in a row like: | |
97 | // ____ | |
98 | // |____ | |
99 | // | |
100 | // we compare the current delta change with the next delta change. | |
101 | // | |
102 | // if curr_delta is positive, | |
103 | // | |
104 | // - and next delta is smaller (or changing direction): | |
105 | // \. | |
106 | // -__ | |
107 | // | |
108 | // - and next delta significant (at least twice) bigger: | |
109 | // --_ | |
110 | // \. | |
111 | // | |
112 | // - and next delta is nearly same: | |
113 | // \. | |
114 | // \. | |
115 | // | |
116 | // | |
117 | // if curr_delta is negative, | |
118 | // | |
119 | // - and next delta is smaller (or changing direction): | |
120 | // _-- | |
121 | // / | |
122 | // | |
123 | // - and next delta significant (at least twice) bigger: | |
124 | // / | |
125 | // __- | |
126 | // | |
127 | // - and next delta is nearly same: | |
128 | // / | |
129 | // / | |
130 | // | |
131 | ||
011755d7 | 132 | static void InterpolateUp(int *SB, int sinc) |
ef79bbde | 133 | { |
011755d7 | 134 | if(SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass |
ef79bbde | 135 | { |
011755d7 | 136 | const int id1=SB[30]-SB[29]; // curr delta to next val |
137 | const int id2=SB[31]-SB[30]; // and next delta to next-next val :) | |
ef79bbde | 138 | |
011755d7 | 139 | SB[32]=0; |
ef79bbde P |
140 | |
141 | if(id1>0) // curr delta positive | |
142 | { | |
143 | if(id2<id1) | |
011755d7 | 144 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
145 | else |
146 | if(id2<(id1<<1)) | |
011755d7 | 147 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 148 | else |
011755d7 | 149 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
150 | } |
151 | else // curr delta negative | |
152 | { | |
153 | if(id2>id1) | |
011755d7 | 154 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
155 | else |
156 | if(id2>(id1<<1)) | |
011755d7 | 157 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 158 | else |
011755d7 | 159 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
160 | } |
161 | } | |
162 | else | |
011755d7 | 163 | if(SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass |
ef79bbde | 164 | { |
011755d7 | 165 | SB[32]=0; |
ef79bbde | 166 | |
011755d7 | 167 | SB[28]=(SB[28]*sinc)>>17; |
168 | //if(sinc<=0x8000) | |
169 | // SB[29]=SB[30]-(SB[28]*((0x10000/sinc)-1)); | |
76d1d09c | 170 | //else |
011755d7 | 171 | SB[29]+=SB[28]; |
ef79bbde P |
172 | } |
173 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
011755d7 | 174 | SB[29]+=SB[28]; |
ef79bbde P |
175 | } |
176 | ||
177 | // | |
178 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
179 | // | |
180 | ||
011755d7 | 181 | static void InterpolateDown(int *SB, int sinc) |
ef79bbde | 182 | { |
011755d7 | 183 | if(sinc>=0x20000L) // we would skip at least one val? |
ef79bbde | 184 | { |
011755d7 | 185 | SB[29]+=(SB[30]-SB[29])/2; // add easy weight |
186 | if(sinc>=0x30000L) // we would skip even more vals? | |
187 | SB[29]+=(SB[31]-SB[30])/2; // add additional next weight | |
ef79bbde P |
188 | } |
189 | } | |
190 | ||
191 | //////////////////////////////////////////////////////////////////////// | |
192 | // helpers for gauss interpolation | |
193 | ||
011755d7 | 194 | #define gval0 (((short*)(&SB[29]))[gpos&3]) |
195 | #define gval(x) ((int)((short*)(&SB[29]))[(gpos+x)&3]) | |
ef79bbde P |
196 | |
197 | #include "gauss_i.h" | |
198 | ||
199 | //////////////////////////////////////////////////////////////////////// | |
200 | ||
201 | #include "xa.c" | |
202 | ||
e4f075af | 203 | static void do_irq(void) |
204 | { | |
3154bfab | 205 | //if(!(spu.spuStat & STAT_IRQ)) |
e4f075af | 206 | { |
3154bfab | 207 | spu.spuStat |= STAT_IRQ; // asserted status? |
208 | if(spu.irqCallback) spu.irqCallback(); | |
e4f075af | 209 | } |
210 | } | |
211 | ||
212 | static int check_irq(int ch, unsigned char *pos) | |
213 | { | |
54604e03 | 214 | if((spu.spuCtrl & (CTRL_ON|CTRL_IRQ)) == (CTRL_ON|CTRL_IRQ) && pos == spu.pSpuIrq) |
e4f075af | 215 | { |
3154bfab | 216 | //printf("ch%d irq %04x\n", ch, pos - spu.spuMemC); |
e4f075af | 217 | do_irq(); |
218 | return 1; | |
219 | } | |
220 | return 0; | |
221 | } | |
222 | ||
54604e03 | 223 | void check_irq_io(unsigned int addr) |
224 | { | |
225 | unsigned int irq_addr = regAreaGet(H_SPUirqAddr) << 3; | |
226 | //addr &= ~7; // ? | |
227 | if((spu.spuCtrl & (CTRL_ON|CTRL_IRQ)) == (CTRL_ON|CTRL_IRQ) && addr == irq_addr) | |
228 | { | |
229 | //printf("io irq %04x\n", irq_addr); | |
230 | do_irq(); | |
231 | } | |
232 | } | |
233 | ||
ef79bbde P |
234 | //////////////////////////////////////////////////////////////////////// |
235 | // START SOUND... called by main thread to setup a new sound on a channel | |
236 | //////////////////////////////////////////////////////////////////////// | |
237 | ||
3bd31caf | 238 | static void StartSoundSB(int *SB) |
ef79bbde | 239 | { |
de4a0279 | 240 | SB[26]=0; // init mixing vars |
241 | SB[27]=0; | |
ef79bbde | 242 | |
de4a0279 | 243 | SB[28]=0; |
244 | SB[29]=0; // init our interpolation helpers | |
245 | SB[30]=0; | |
246 | SB[31]=0; | |
3bd31caf | 247 | } |
248 | ||
249 | static void StartSoundMain(int ch) | |
250 | { | |
251 | SPUCHAN *s_chan = &spu.s_chan[ch]; | |
252 | ||
253 | StartADSR(ch); | |
254 | StartREVERB(ch); | |
255 | ||
256 | s_chan->prevflags=2; | |
257 | s_chan->iSBPos=27; | |
5514a050 | 258 | s_chan->spos=0; |
ef79bbde | 259 | |
a0d4a8f5 | 260 | s_chan->pCurr = spu.spuMemC + ((regAreaGetCh(ch, 6) & ~1) << 3); |
9601ca6d | 261 | |
3154bfab | 262 | spu.dwNewChannel&=~(1<<ch); // clear new channel bit |
4ccd0fb2 | 263 | spu.dwChannelDead&=~(1<<ch); |
df68316d | 264 | spu.dwChannelsAudible|=1<<ch; |
ef79bbde P |
265 | } |
266 | ||
3bd31caf | 267 | static void StartSound(int ch) |
268 | { | |
269 | StartSoundMain(ch); | |
270 | StartSoundSB(spu.SB + ch * SB_SIZE); | |
271 | } | |
272 | ||
ef79bbde P |
273 | //////////////////////////////////////////////////////////////////////// |
274 | // ALL KIND OF HELPERS | |
275 | //////////////////////////////////////////////////////////////////////// | |
276 | ||
011755d7 | 277 | INLINE int FModChangeFrequency(int *SB, int pitch, int ns) |
ef79bbde | 278 | { |
011755d7 | 279 | unsigned int NP=pitch; |
07a6dd2c | 280 | int sinc; |
ef79bbde | 281 | |
011755d7 | 282 | NP=((32768L+iFMod[ns])*NP)>>15; |
ef79bbde P |
283 | |
284 | if(NP>0x3fff) NP=0x3fff; | |
285 | if(NP<0x1) NP=0x1; | |
286 | ||
7e44d49d | 287 | sinc=NP<<4; // calc frequency |
ef79bbde | 288 | iFMod[ns]=0; |
4ecb720e | 289 | SB[32]=1; // reset interpolation |
07a6dd2c | 290 | |
291 | return sinc; | |
ef79bbde P |
292 | } |
293 | ||
294 | //////////////////////////////////////////////////////////////////////// | |
295 | ||
011755d7 | 296 | INLINE void StoreInterpolationVal(int *SB, int sinc, int fa, int fmod_freq) |
ef79bbde | 297 | { |
011755d7 | 298 | if(fmod_freq) // fmod freq channel |
299 | SB[29]=fa; | |
ef79bbde P |
300 | else |
301 | { | |
381ea103 | 302 | ssat32_to_16(fa); |
ef79bbde | 303 | |
3154bfab | 304 | if(spu_config.iUseInterpolation>=2) // gauss/cubic interpolation |
011755d7 | 305 | { |
306 | int gpos = SB[28]; | |
307 | gval0 = fa; | |
ef79bbde | 308 | gpos = (gpos+1) & 3; |
011755d7 | 309 | SB[28] = gpos; |
ef79bbde P |
310 | } |
311 | else | |
3154bfab | 312 | if(spu_config.iUseInterpolation==1) // simple interpolation |
ef79bbde | 313 | { |
011755d7 | 314 | SB[28] = 0; |
315 | SB[29] = SB[30]; // -> helpers for simple linear interpolation: delay real val for two slots, and calc the two deltas, for a 'look at the future behaviour' | |
316 | SB[30] = SB[31]; | |
317 | SB[31] = fa; | |
318 | SB[32] = 1; // -> flag: calc new interolation | |
ef79bbde | 319 | } |
011755d7 | 320 | else SB[29]=fa; // no interpolation |
ef79bbde P |
321 | } |
322 | } | |
323 | ||
324 | //////////////////////////////////////////////////////////////////////// | |
325 | ||
011755d7 | 326 | INLINE int iGetInterpolationVal(int *SB, int sinc, int spos, int fmod_freq) |
ef79bbde P |
327 | { |
328 | int fa; | |
329 | ||
011755d7 | 330 | if(fmod_freq) return SB[29]; |
ef79bbde | 331 | |
3154bfab | 332 | switch(spu_config.iUseInterpolation) |
011755d7 | 333 | { |
ef79bbde P |
334 | //--------------------------------------------------// |
335 | case 3: // cubic interpolation | |
336 | { | |
337 | long xd;int gpos; | |
8cd23d6d | 338 | xd = (spos >> 1)+1; |
011755d7 | 339 | gpos = SB[28]; |
ef79bbde P |
340 | |
341 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
342 | fa *= (xd - (2<<15)) / 6; | |
343 | fa >>= 15; | |
344 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
345 | fa *= (xd - (1<<15)) >> 1; | |
346 | fa >>= 15; | |
347 | fa += gval(1) - gval0; | |
348 | fa *= xd; | |
349 | fa >>= 15; | |
350 | fa = fa + gval0; | |
351 | ||
352 | } break; | |
353 | //--------------------------------------------------// | |
354 | case 2: // gauss interpolation | |
355 | { | |
356 | int vl, vr;int gpos; | |
8cd23d6d | 357 | vl = (spos >> 6) & ~3; |
011755d7 | 358 | gpos = SB[28]; |
63646208 S |
359 | vr=(gauss[vl]*(int)gval0) >> 15; |
360 | vr+=(gauss[vl+1]*gval(1)) >> 15; | |
361 | vr+=(gauss[vl+2]*gval(2)) >> 15; | |
362 | vr+=(gauss[vl+3]*gval(3)) >> 15; | |
363 | fa = vr; | |
ef79bbde P |
364 | } break; |
365 | //--------------------------------------------------// | |
366 | case 1: // simple interpolation | |
367 | { | |
011755d7 | 368 | if(sinc<0x10000L) // -> upsampling? |
369 | InterpolateUp(SB, sinc); // --> interpolate up | |
370 | else InterpolateDown(SB, sinc); // --> else down | |
371 | fa=SB[29]; | |
ef79bbde P |
372 | } break; |
373 | //--------------------------------------------------// | |
374 | default: // no interpolation | |
375 | { | |
011755d7 | 376 | fa=SB[29]; |
ef79bbde P |
377 | } break; |
378 | //--------------------------------------------------// | |
379 | } | |
380 | ||
381 | return fa; | |
382 | } | |
383 | ||
381ea103 | 384 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
385 | { | |
5514a050 | 386 | static const int f[16][2] = { |
387 | { 0, 0 }, | |
388 | { 60, 0 }, | |
389 | { 115, -52 }, | |
390 | { 98, -55 }, | |
391 | { 122, -60 } | |
392 | }; | |
381ea103 | 393 | int nSample; |
394 | int fa, s_1, s_2, d, s; | |
395 | ||
396 | s_1 = dest[27]; | |
397 | s_2 = dest[26]; | |
398 | ||
399 | for (nSample = 0; nSample < 28; src++) | |
400 | { | |
401 | d = (int)*src; | |
402 | s = (int)(signed short)((d & 0x0f) << 12); | |
403 | ||
404 | fa = s >> shift_factor; | |
405 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
406 | s_2=s_1;s_1=fa; | |
407 | ||
408 | dest[nSample++] = fa; | |
409 | ||
410 | s = (int)(signed short)((d & 0xf0) << 8); | |
411 | fa = s >> shift_factor; | |
412 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
413 | s_2=s_1;s_1=fa; | |
414 | ||
415 | dest[nSample++] = fa; | |
416 | } | |
417 | } | |
418 | ||
3bd31caf | 419 | static int decode_block(void *unused, int ch, int *SB) |
e11ae5c5 | 420 | { |
5514a050 | 421 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
e11ae5c5 | 422 | unsigned char *start; |
215ff9e6 | 423 | int predict_nr, shift_factor, flags; |
e11ae5c5 | 424 | int ret = 0; |
425 | ||
5514a050 | 426 | start = s_chan->pCurr; // set up the current pos |
215ff9e6 | 427 | if (start == spu.spuMemC) // ? |
428 | ret = 1; | |
e11ae5c5 | 429 | |
5514a050 | 430 | if (s_chan->prevflags & 1) // 1: stop/loop |
3fc2a4c2 | 431 | { |
5514a050 | 432 | if (!(s_chan->prevflags & 2)) |
215ff9e6 | 433 | ret = 1; |
e4f075af | 434 | |
5514a050 | 435 | start = s_chan->pLoop; |
3fc2a4c2 | 436 | } |
4622c0a1 | 437 | |
438 | check_irq(ch, start); | |
e11ae5c5 | 439 | |
5514a050 | 440 | predict_nr = start[0]; |
215ff9e6 | 441 | shift_factor = predict_nr & 0xf; |
e11ae5c5 | 442 | predict_nr >>= 4; |
e11ae5c5 | 443 | |
011755d7 | 444 | decode_block_data(SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 445 | |
215ff9e6 | 446 | flags = start[1]; |
4622c0a1 | 447 | if (flags & 4 && !s_chan->bIgnoreLoop) |
5514a050 | 448 | s_chan->pLoop = start; // loop adress |
e11ae5c5 | 449 | |
215ff9e6 | 450 | start += 16; |
3fc2a4c2 | 451 | |
5514a050 | 452 | s_chan->pCurr = start; // store values for next cycle |
453 | s_chan->prevflags = flags; | |
e11ae5c5 | 454 | |
455 | return ret; | |
456 | } | |
457 | ||
07a6dd2c | 458 | // do block, but ignore sample data |
459 | static int skip_block(int ch) | |
460 | { | |
5514a050 | 461 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
462 | unsigned char *start = s_chan->pCurr; | |
215ff9e6 | 463 | int flags; |
464 | int ret = 0; | |
465 | ||
5514a050 | 466 | if (s_chan->prevflags & 1) { |
467 | if (!(s_chan->prevflags & 2)) | |
215ff9e6 | 468 | ret = 1; |
07a6dd2c | 469 | |
5514a050 | 470 | start = s_chan->pLoop; |
215ff9e6 | 471 | } |
4622c0a1 | 472 | |
473 | check_irq(ch, start); | |
07a6dd2c | 474 | |
215ff9e6 | 475 | flags = start[1]; |
4622c0a1 | 476 | if (flags & 4 && !s_chan->bIgnoreLoop) |
5514a050 | 477 | s_chan->pLoop = start; |
07a6dd2c | 478 | |
e4f075af | 479 | start += 16; |
07a6dd2c | 480 | |
5514a050 | 481 | s_chan->pCurr = start; |
482 | s_chan->prevflags = flags; | |
e4f075af | 483 | |
89cb2058 | 484 | return ret; |
07a6dd2c | 485 | } |
486 | ||
650adfd2 | 487 | // if irq is going to trigger sooner than in upd_samples, set upd_samples |
488 | static void scan_for_irq(int ch, unsigned int *upd_samples) | |
489 | { | |
5514a050 | 490 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
650adfd2 | 491 | int pos, sinc, sinc_inv, end; |
492 | unsigned char *block; | |
493 | int flags; | |
494 | ||
5514a050 | 495 | block = s_chan->pCurr; |
496 | pos = s_chan->spos; | |
497 | sinc = s_chan->sinc; | |
650adfd2 | 498 | end = pos + *upd_samples * sinc; |
499 | ||
5514a050 | 500 | pos += (28 - s_chan->iSBPos) << 16; |
650adfd2 | 501 | while (pos < end) |
502 | { | |
3154bfab | 503 | if (block == spu.pSpuIrq) |
650adfd2 | 504 | break; |
505 | flags = block[1]; | |
506 | block += 16; | |
507 | if (flags & 1) { // 1: stop/loop | |
5514a050 | 508 | block = s_chan->pLoop; |
650adfd2 | 509 | } |
510 | pos += 28 << 16; | |
511 | } | |
512 | ||
513 | if (pos < end) | |
514 | { | |
5514a050 | 515 | sinc_inv = s_chan->sinc_inv; |
650adfd2 | 516 | if (sinc_inv == 0) |
5514a050 | 517 | sinc_inv = s_chan->sinc_inv = (0x80000000u / (uint32_t)sinc) << 1; |
650adfd2 | 518 | |
5514a050 | 519 | pos -= s_chan->spos; |
650adfd2 | 520 | *upd_samples = (((uint64_t)pos * sinc_inv) >> 32) + 1; |
521 | //xprintf("ch%02d: irq sched: %3d %03d\n", | |
522 | // ch, *upd_samples, *upd_samples * 60 * 263 / 44100); | |
523 | } | |
524 | } | |
525 | ||
07a6dd2c | 526 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ |
3bd31caf | 527 | static noinline int do_samples_##name( \ |
528 | int (*decode_f)(void *context, int ch, int *SB), void *ctx, \ | |
529 | int ch, int ns_to, int *SB, int sinc, int *spos, int *sbpos) \ | |
07a6dd2c | 530 | { \ |
215ff9e6 | 531 | int ns, d, fa; \ |
532 | int ret = ns_to; \ | |
07a6dd2c | 533 | interp_start; \ |
534 | \ | |
215ff9e6 | 535 | for (ns = 0; ns < ns_to; ns++) \ |
07a6dd2c | 536 | { \ |
537 | fmod_code; \ | |
538 | \ | |
63a4f6b6 | 539 | *spos += sinc; \ |
540 | while (*spos >= 0x10000) \ | |
07a6dd2c | 541 | { \ |
63a4f6b6 | 542 | fa = SB[(*sbpos)++]; \ |
543 | if (*sbpos >= 28) \ | |
07a6dd2c | 544 | { \ |
63a4f6b6 | 545 | *sbpos = 0; \ |
3bd31caf | 546 | d = decode_f(ctx, ch, SB); \ |
215ff9e6 | 547 | if (d && ns < ret) \ |
548 | ret = ns; \ | |
07a6dd2c | 549 | } \ |
550 | \ | |
07a6dd2c | 551 | interp1_code; \ |
63a4f6b6 | 552 | *spos -= 0x10000; \ |
07a6dd2c | 553 | } \ |
554 | \ | |
555 | interp2_code; \ | |
07a6dd2c | 556 | } \ |
557 | \ | |
07a6dd2c | 558 | interp_end; \ |
559 | \ | |
560 | return ret; \ | |
561 | } | |
562 | ||
563 | #define fmod_recv_check \ | |
5514a050 | 564 | if(spu.s_chan[ch].bFMod==1 && iFMod[ns]) \ |
565 | sinc = FModChangeFrequency(SB, spu.s_chan[ch].iRawPitch, ns) | |
07a6dd2c | 566 | |
567 | make_do_samples(default, fmod_recv_check, , | |
5514a050 | 568 | StoreInterpolationVal(SB, sinc, fa, spu.s_chan[ch].bFMod==2), |
569 | ChanBuf[ns] = iGetInterpolationVal(SB, sinc, *spos, spu.s_chan[ch].bFMod==2), ) | |
011755d7 | 570 | make_do_samples(noint, , fa = SB[29], , ChanBuf[ns] = fa, SB[29] = fa) |
07a6dd2c | 571 | |
572 | #define simple_interp_store \ | |
215ff9e6 | 573 | SB[28] = 0; \ |
574 | SB[29] = SB[30]; \ | |
575 | SB[30] = SB[31]; \ | |
576 | SB[31] = fa; \ | |
577 | SB[32] = 1 | |
07a6dd2c | 578 | |
579 | #define simple_interp_get \ | |
011755d7 | 580 | if(sinc<0x10000) /* -> upsampling? */ \ |
581 | InterpolateUp(SB, sinc); /* --> interpolate up */ \ | |
582 | else InterpolateDown(SB, sinc); /* --> else down */ \ | |
583 | ChanBuf[ns] = SB[29] | |
07a6dd2c | 584 | |
585 | make_do_samples(simple, , , | |
586 | simple_interp_store, simple_interp_get, ) | |
587 | ||
215ff9e6 | 588 | static int do_samples_skip(int ch, int ns_to) |
07a6dd2c | 589 | { |
5514a050 | 590 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
8f5f2dd5 | 591 | int spos = s_chan->spos; |
592 | int sinc = s_chan->sinc; | |
215ff9e6 | 593 | int ret = ns_to, ns, d; |
b1094d0e | 594 | |
8f5f2dd5 | 595 | spos += s_chan->iSBPos << 16; |
215ff9e6 | 596 | |
597 | for (ns = 0; ns < ns_to; ns++) | |
07a6dd2c | 598 | { |
8f5f2dd5 | 599 | spos += sinc; |
600 | while (spos >= 28*0x10000) | |
215ff9e6 | 601 | { |
602 | d = skip_block(ch); | |
603 | if (d && ns < ret) | |
604 | ret = ns; | |
8f5f2dd5 | 605 | spos -= 28*0x10000; |
215ff9e6 | 606 | } |
07a6dd2c | 607 | } |
608 | ||
8f5f2dd5 | 609 | s_chan->iSBPos = spos >> 16; |
610 | s_chan->spos = spos & 0xffff; | |
215ff9e6 | 611 | |
612 | return ret; | |
613 | } | |
614 | ||
615 | static void do_lsfr_samples(int ns_to, int ctrl, | |
616 | unsigned int *dwNoiseCount, unsigned int *dwNoiseVal) | |
617 | { | |
618 | unsigned int counter = *dwNoiseCount; | |
619 | unsigned int val = *dwNoiseVal; | |
620 | unsigned int level, shift, bit; | |
621 | int ns; | |
622 | ||
b1094d0e | 623 | // modified from DrHell/shalma, no fraction |
215ff9e6 | 624 | level = (ctrl >> 10) & 0x0f; |
b1094d0e | 625 | level = 0x8000 >> level; |
626 | ||
215ff9e6 | 627 | for (ns = 0; ns < ns_to; ns++) |
b1094d0e | 628 | { |
215ff9e6 | 629 | counter += 2; |
630 | if (counter >= level) | |
b1094d0e | 631 | { |
215ff9e6 | 632 | counter -= level; |
633 | shift = (val >> 10) & 0x1f; | |
b1094d0e | 634 | bit = (0x69696969 >> shift) & 1; |
215ff9e6 | 635 | bit ^= (val >> 15) & 1; |
636 | val = (val << 1) | bit; | |
b1094d0e | 637 | } |
638 | ||
215ff9e6 | 639 | ChanBuf[ns] = (signed short)val; |
b1094d0e | 640 | } |
07a6dd2c | 641 | |
215ff9e6 | 642 | *dwNoiseCount = counter; |
643 | *dwNoiseVal = val; | |
644 | } | |
645 | ||
646 | static int do_samples_noise(int ch, int ns_to) | |
647 | { | |
648 | int ret; | |
649 | ||
650 | ret = do_samples_skip(ch, ns_to); | |
651 | ||
652 | do_lsfr_samples(ns_to, spu.spuCtrl, &spu.dwNoiseCount, &spu.dwNoiseVal); | |
653 | ||
89cb2058 | 654 | return ret; |
07a6dd2c | 655 | } |
656 | ||
665f33e1 | 657 | #ifdef HAVE_ARMV5 |
3a721c1f | 658 | // asm code; lv and rv must be 0-3fff |
3bd31caf | 659 | extern void mix_chan(int *SSumLR, int count, int lv, int rv); |
660 | extern void mix_chan_rvb(int *SSumLR, int count, int lv, int rv, int *rvb); | |
b17618c0 | 661 | #else |
3bd31caf | 662 | static void mix_chan(int *SSumLR, int count, int lv, int rv) |
b17618c0 | 663 | { |
3bd31caf | 664 | const int *src = ChanBuf; |
b17618c0 | 665 | int l, r; |
666 | ||
667 | while (count--) | |
668 | { | |
669 | int sval = *src++; | |
670 | ||
671 | l = (sval * lv) >> 14; | |
672 | r = (sval * rv) >> 14; | |
3bd31caf | 673 | *SSumLR++ += l; |
674 | *SSumLR++ += r; | |
b17618c0 | 675 | } |
676 | } | |
677 | ||
3bd31caf | 678 | static void mix_chan_rvb(int *SSumLR, int count, int lv, int rv, int *rvb) |
b17618c0 | 679 | { |
3bd31caf | 680 | const int *src = ChanBuf; |
681 | int *dst = SSumLR; | |
682 | int *drvb = rvb; | |
b17618c0 | 683 | int l, r; |
684 | ||
685 | while (count--) | |
686 | { | |
687 | int sval = *src++; | |
688 | ||
689 | l = (sval * lv) >> 14; | |
690 | r = (sval * rv) >> 14; | |
691 | *dst++ += l; | |
692 | *dst++ += r; | |
693 | *drvb++ += l; | |
694 | *drvb++ += r; | |
695 | } | |
696 | } | |
697 | #endif | |
698 | ||
b72f17a1 | 699 | // 0x0800-0x0bff Voice 1 |
700 | // 0x0c00-0x0fff Voice 3 | |
215ff9e6 | 701 | static noinline void do_decode_bufs(unsigned short *mem, int which, |
702 | int count, int decode_pos) | |
b72f17a1 | 703 | { |
215ff9e6 | 704 | unsigned short *dst = &mem[0x800/2 + which*0x400/2]; |
705 | const int *src = ChanBuf; | |
706 | int cursor = decode_pos; | |
b72f17a1 | 707 | |
708 | while (count-- > 0) | |
709 | { | |
ee9afdbd | 710 | cursor &= 0x1ff; |
b72f17a1 | 711 | dst[cursor] = *src++; |
ee9afdbd | 712 | cursor++; |
b72f17a1 | 713 | } |
714 | ||
715 | // decode_pos is updated and irqs are checked later, after voice loop | |
716 | } | |
717 | ||
215ff9e6 | 718 | static void do_silent_chans(int ns_to, int silentch) |
719 | { | |
5514a050 | 720 | unsigned int mask; |
721 | SPUCHAN *s_chan; | |
215ff9e6 | 722 | int ch; |
723 | ||
5514a050 | 724 | mask = silentch & 0xffffff; |
725 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
215ff9e6 | 726 | { |
5514a050 | 727 | if (!(mask & 1)) continue; |
215ff9e6 | 728 | if (spu.dwChannelDead & (1<<ch)) continue; |
5514a050 | 729 | |
730 | s_chan = &spu.s_chan[ch]; | |
731 | if (s_chan->pCurr > spu.pSpuIrq && s_chan->pLoop > spu.pSpuIrq) | |
215ff9e6 | 732 | continue; |
733 | ||
5514a050 | 734 | s_chan->spos += s_chan->iSBPos << 16; |
735 | s_chan->iSBPos = 0; | |
215ff9e6 | 736 | |
5514a050 | 737 | s_chan->spos += s_chan->sinc * ns_to; |
738 | while (s_chan->spos >= 28 * 0x10000) | |
215ff9e6 | 739 | { |
5514a050 | 740 | unsigned char *start = s_chan->pCurr; |
215ff9e6 | 741 | |
742 | skip_block(ch); | |
5514a050 | 743 | if (start == s_chan->pCurr || start - spu.spuMemC < 0x1000) |
215ff9e6 | 744 | { |
745 | // looping on self or stopped(?) | |
746 | spu.dwChannelDead |= 1<<ch; | |
5514a050 | 747 | s_chan->spos = 0; |
215ff9e6 | 748 | break; |
749 | } | |
750 | ||
5514a050 | 751 | s_chan->spos -= 28 * 0x10000; |
215ff9e6 | 752 | } |
753 | } | |
754 | } | |
755 | ||
756 | static void do_channels(int ns_to) | |
757 | { | |
758 | unsigned int mask; | |
05c7cec7 | 759 | int do_rvb, ch, d; |
5514a050 | 760 | SPUCHAN *s_chan; |
63a4f6b6 | 761 | int *SB, sinc; |
215ff9e6 | 762 | |
05c7cec7 | 763 | do_rvb = spu.rvb->StartAddr && spu_config.iUseReverb; |
764 | if (do_rvb) | |
765 | memset(RVB, 0, ns_to * sizeof(RVB[0]) * 2); | |
3bd31caf | 766 | |
767 | mask = spu.dwNewChannel & 0xffffff; | |
768 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
769 | if (mask & 1) | |
770 | StartSound(ch); | |
771 | } | |
215ff9e6 | 772 | |
2daa7c1d | 773 | mask = spu.dwChannelsAudible & 0xffffff; |
215ff9e6 | 774 | for (ch = 0; mask != 0; ch++, mask >>= 1) // loop em all... |
775 | { | |
776 | if (!(mask & 1)) continue; // channel not playing? next | |
777 | ||
5514a050 | 778 | s_chan = &spu.s_chan[ch]; |
de4a0279 | 779 | SB = spu.SB + ch * SB_SIZE; |
5514a050 | 780 | sinc = s_chan->sinc; |
4ecb720e | 781 | if (spu.s_chan[ch].bNewPitch) |
782 | SB[32] = 1; // reset interpolation | |
783 | spu.s_chan[ch].bNewPitch = 0; | |
63a4f6b6 | 784 | |
5514a050 | 785 | if (s_chan->bNoise) |
215ff9e6 | 786 | d = do_samples_noise(ch, ns_to); |
5514a050 | 787 | else if (s_chan->bFMod == 2 |
788 | || (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
3bd31caf | 789 | d = do_samples_noint(decode_block, NULL, ch, ns_to, |
5514a050 | 790 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
791 | else if (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 1) | |
3bd31caf | 792 | d = do_samples_simple(decode_block, NULL, ch, ns_to, |
5514a050 | 793 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
215ff9e6 | 794 | else |
3bd31caf | 795 | d = do_samples_default(decode_block, NULL, ch, ns_to, |
5514a050 | 796 | SB, sinc, &s_chan->spos, &s_chan->iSBPos); |
215ff9e6 | 797 | |
5514a050 | 798 | d = MixADSR(&s_chan->ADSRX, d); |
215ff9e6 | 799 | if (d < ns_to) { |
2daa7c1d | 800 | spu.dwChannelsAudible &= ~(1 << ch); |
801 | s_chan->ADSRX.State = ADSR_RELEASE; | |
5514a050 | 802 | s_chan->ADSRX.EnvelopeVol = 0; |
215ff9e6 | 803 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); |
804 | } | |
805 | ||
806 | if (ch == 1 || ch == 3) | |
807 | { | |
808 | do_decode_bufs(spu.spuMem, ch/2, ns_to, spu.decode_pos); | |
809 | spu.decode_dirty_ch |= 1 << ch; | |
810 | } | |
811 | ||
5514a050 | 812 | if (s_chan->bFMod == 2) // fmod freq channel |
215ff9e6 | 813 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
05c7cec7 | 814 | if (s_chan->bRVBActive && do_rvb) |
815 | mix_chan_rvb(spu.SSumLR, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume, RVB); | |
215ff9e6 | 816 | else |
3bd31caf | 817 | mix_chan(spu.SSumLR, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
215ff9e6 | 818 | } |
05c7cec7 | 819 | |
820 | if (spu.rvb->StartAddr) { | |
7b2c4897 | 821 | if (do_rvb) |
05c7cec7 | 822 | REVERBDo(spu.SSumLR, RVB, ns_to, spu.rvb->CurrAddr); |
05c7cec7 | 823 | |
824 | spu.rvb->CurrAddr += ns_to / 2; | |
825 | while (spu.rvb->CurrAddr >= 0x40000) | |
826 | spu.rvb->CurrAddr -= 0x40000 - spu.rvb->StartAddr; | |
827 | } | |
215ff9e6 | 828 | } |
829 | ||
05c7cec7 | 830 | static void do_samples_finish(int *SSumLR, int ns_to, |
3bd31caf | 831 | int silentch, int decode_pos); |
63a4f6b6 | 832 | |
833 | // optional worker thread handling | |
834 | ||
de4a0279 | 835 | #if defined(THREAD_ENABLED) || defined(WANT_THREAD_CODE) |
63a4f6b6 | 836 | |
3bd31caf | 837 | // worker thread state |
838 | static struct spu_worker { | |
839 | union { | |
840 | struct { | |
841 | unsigned int exit_thread; | |
842 | unsigned int i_ready; | |
843 | unsigned int i_reaped; | |
05c7cec7 | 844 | unsigned int last_boot_cnt; // dsp |
0c1151fe | 845 | unsigned int ram_dirty; |
3bd31caf | 846 | }; |
847 | // aligning for C64X_DSP | |
848 | unsigned int _pad0[128/4]; | |
849 | }; | |
850 | union { | |
851 | struct { | |
852 | unsigned int i_done; | |
853 | unsigned int active; // dsp | |
854 | unsigned int boot_cnt; | |
855 | }; | |
856 | unsigned int _pad1[128/4]; | |
857 | }; | |
858 | struct work_item { | |
859 | int ns_to; | |
860 | int ctrl; | |
861 | int decode_pos; | |
05c7cec7 | 862 | int rvb_addr; |
3bd31caf | 863 | unsigned int channels_new; |
864 | unsigned int channels_on; | |
865 | unsigned int channels_silent; | |
866 | struct { | |
867 | int spos; | |
868 | int sbpos; | |
869 | int sinc; | |
870 | int start; | |
871 | int loop; | |
05c7cec7 | 872 | short vol_l; |
873 | short vol_r; | |
4ecb720e | 874 | unsigned short ns_to; |
875 | unsigned short bNoise:1; | |
876 | unsigned short bFMod:2; | |
877 | unsigned short bRVBActive:1; | |
878 | unsigned short bNewPitch:1; | |
3bd31caf | 879 | ADSRInfoEx adsr; |
3bd31caf | 880 | } ch[24]; |
3bd31caf | 881 | int SSumLR[NSSIZE * 2]; |
882 | } i[4]; | |
883 | } *worker; | |
884 | ||
885 | #define WORK_MAXCNT (sizeof(worker->i) / sizeof(worker->i[0])) | |
886 | #define WORK_I_MASK (WORK_MAXCNT - 1) | |
887 | ||
5514a050 | 888 | static void thread_work_start(void); |
3bd31caf | 889 | static void thread_work_wait_sync(struct work_item *work, int force); |
05c7cec7 | 890 | static void thread_sync_caches(void); |
3bd31caf | 891 | static int thread_get_i_done(void); |
892 | ||
893 | static int decode_block_work(void *context, int ch, int *SB) | |
894 | { | |
895 | const unsigned char *ram = spu.spuMemC; | |
896 | int predict_nr, shift_factor, flags; | |
897 | struct work_item *work = context; | |
898 | int start = work->ch[ch].start; | |
899 | int loop = work->ch[ch].loop; | |
900 | ||
901 | predict_nr = ram[start]; | |
902 | shift_factor = predict_nr & 0xf; | |
903 | predict_nr >>= 4; | |
904 | ||
905 | decode_block_data(SB, ram + start + 2, predict_nr, shift_factor); | |
906 | ||
907 | flags = ram[start + 1]; | |
908 | if (flags & 4) | |
909 | loop = start; // loop adress | |
910 | ||
911 | start += 16; | |
912 | ||
913 | if (flags & 1) // 1: stop/loop | |
914 | start = loop; | |
915 | ||
916 | work->ch[ch].start = start & 0x7ffff; | |
917 | work->ch[ch].loop = loop; | |
918 | ||
919 | return 0; | |
920 | } | |
5514a050 | 921 | |
3bd31caf | 922 | static void queue_channel_work(int ns_to, unsigned int silentch) |
63a4f6b6 | 923 | { |
3bd31caf | 924 | struct work_item *work; |
925 | SPUCHAN *s_chan; | |
63a4f6b6 | 926 | unsigned int mask; |
3bd31caf | 927 | int ch, d; |
63a4f6b6 | 928 | |
3bd31caf | 929 | work = &worker->i[worker->i_ready & WORK_I_MASK]; |
930 | work->ns_to = ns_to; | |
931 | work->ctrl = spu.spuCtrl; | |
932 | work->decode_pos = spu.decode_pos; | |
933 | work->channels_silent = silentch; | |
934 | ||
935 | mask = work->channels_new = spu.dwNewChannel & 0xffffff; | |
936 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
937 | if (mask & 1) | |
938 | StartSoundMain(ch); | |
939 | } | |
940 | ||
2daa7c1d | 941 | mask = work->channels_on = spu.dwChannelsAudible & 0xffffff; |
3bd31caf | 942 | spu.decode_dirty_ch |= mask & 0x0a; |
63a4f6b6 | 943 | |
63a4f6b6 | 944 | for (ch = 0; mask != 0; ch++, mask >>= 1) |
945 | { | |
946 | if (!(mask & 1)) continue; | |
947 | ||
5514a050 | 948 | s_chan = &spu.s_chan[ch]; |
3bd31caf | 949 | work->ch[ch].spos = s_chan->spos; |
950 | work->ch[ch].sbpos = s_chan->iSBPos; | |
951 | work->ch[ch].sinc = s_chan->sinc; | |
952 | work->ch[ch].adsr = s_chan->ADSRX; | |
05c7cec7 | 953 | work->ch[ch].vol_l = s_chan->iLeftVolume; |
954 | work->ch[ch].vol_r = s_chan->iRightVolume; | |
3bd31caf | 955 | work->ch[ch].start = s_chan->pCurr - spu.spuMemC; |
956 | work->ch[ch].loop = s_chan->pLoop - spu.spuMemC; | |
4ecb720e | 957 | work->ch[ch].bNoise = s_chan->bNoise; |
958 | work->ch[ch].bFMod = s_chan->bFMod; | |
959 | work->ch[ch].bRVBActive = s_chan->bRVBActive; | |
960 | work->ch[ch].bNewPitch = s_chan->bNewPitch; | |
5514a050 | 961 | if (s_chan->prevflags & 1) |
3bd31caf | 962 | work->ch[ch].start = work->ch[ch].loop; |
63a4f6b6 | 963 | |
3bd31caf | 964 | d = do_samples_skip(ch, ns_to); |
965 | work->ch[ch].ns_to = d; | |
966 | ||
967 | // note: d is not accurate on skip | |
968 | d = SkipADSR(&s_chan->ADSRX, d); | |
969 | if (d < ns_to) { | |
2daa7c1d | 970 | spu.dwChannelsAudible &= ~(1 << ch); |
df68316d | 971 | s_chan->ADSRX.State = ADSR_RELEASE; |
3bd31caf | 972 | s_chan->ADSRX.EnvelopeVol = 0; |
973 | } | |
4ecb720e | 974 | s_chan->bNewPitch = 0; |
63a4f6b6 | 975 | } |
976 | ||
05c7cec7 | 977 | work->rvb_addr = 0; |
978 | if (spu.rvb->StartAddr) { | |
7b2c4897 | 979 | if (spu_config.iUseReverb) |
05c7cec7 | 980 | work->rvb_addr = spu.rvb->CurrAddr; |
05c7cec7 | 981 | |
982 | spu.rvb->CurrAddr += ns_to / 2; | |
983 | while (spu.rvb->CurrAddr >= 0x40000) | |
984 | spu.rvb->CurrAddr -= 0x40000 - spu.rvb->StartAddr; | |
985 | } | |
986 | ||
3bd31caf | 987 | worker->i_ready++; |
5514a050 | 988 | thread_work_start(); |
63a4f6b6 | 989 | } |
990 | ||
3bd31caf | 991 | static void do_channel_work(struct work_item *work) |
63a4f6b6 | 992 | { |
3bd31caf | 993 | unsigned int mask; |
63a4f6b6 | 994 | int *SB, sinc, spos, sbpos; |
995 | int d, ch, ns_to; | |
996 | ||
3bd31caf | 997 | ns_to = work->ns_to; |
05c7cec7 | 998 | |
999 | if (work->rvb_addr) | |
1000 | memset(RVB, 0, ns_to * sizeof(RVB[0]) * 2); | |
63a4f6b6 | 1001 | |
3bd31caf | 1002 | mask = work->channels_new; |
1003 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
1004 | if (mask & 1) | |
1005 | StartSoundSB(spu.SB + ch * SB_SIZE); | |
1006 | } | |
1007 | ||
1008 | mask = work->channels_on; | |
63a4f6b6 | 1009 | for (ch = 0; mask != 0; ch++, mask >>= 1) |
1010 | { | |
1011 | if (!(mask & 1)) continue; | |
1012 | ||
3bd31caf | 1013 | d = work->ch[ch].ns_to; |
1014 | spos = work->ch[ch].spos; | |
1015 | sbpos = work->ch[ch].sbpos; | |
1016 | sinc = work->ch[ch].sinc; | |
63a4f6b6 | 1017 | |
de4a0279 | 1018 | SB = spu.SB + ch * SB_SIZE; |
4ecb720e | 1019 | if (work->ch[ch].bNewPitch) |
1020 | SB[32] = 1; // reset interpolation | |
5514a050 | 1021 | |
4ecb720e | 1022 | if (work->ch[ch].bNoise) |
3bd31caf | 1023 | do_lsfr_samples(d, work->ctrl, &spu.dwNoiseCount, &spu.dwNoiseVal); |
4ecb720e | 1024 | else if (work->ch[ch].bFMod == 2 |
1025 | || (work->ch[ch].bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
3bd31caf | 1026 | do_samples_noint(decode_block_work, work, ch, d, SB, sinc, &spos, &sbpos); |
4ecb720e | 1027 | else if (work->ch[ch].bFMod == 0 && spu_config.iUseInterpolation == 1) |
3bd31caf | 1028 | do_samples_simple(decode_block_work, work, ch, d, SB, sinc, &spos, &sbpos); |
63a4f6b6 | 1029 | else |
3bd31caf | 1030 | do_samples_default(decode_block_work, work, ch, d, SB, sinc, &spos, &sbpos); |
63a4f6b6 | 1031 | |
3bd31caf | 1032 | d = MixADSR(&work->ch[ch].adsr, d); |
63a4f6b6 | 1033 | if (d < ns_to) { |
3bd31caf | 1034 | work->ch[ch].adsr.EnvelopeVol = 0; |
63a4f6b6 | 1035 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); |
1036 | } | |
1037 | ||
1038 | if (ch == 1 || ch == 3) | |
4ecb720e | 1039 | do_decode_bufs(spu.spuMem, ch/2, ns_to, work->decode_pos); |
63a4f6b6 | 1040 | |
4ecb720e | 1041 | if (work->ch[ch].bFMod == 2) // fmod freq channel |
63a4f6b6 | 1042 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
4ecb720e | 1043 | if (work->ch[ch].bRVBActive && work->rvb_addr) |
3bd31caf | 1044 | mix_chan_rvb(work->SSumLR, ns_to, |
05c7cec7 | 1045 | work->ch[ch].vol_l, work->ch[ch].vol_r, RVB); |
63a4f6b6 | 1046 | else |
05c7cec7 | 1047 | mix_chan(work->SSumLR, ns_to, work->ch[ch].vol_l, work->ch[ch].vol_r); |
63a4f6b6 | 1048 | } |
05c7cec7 | 1049 | |
1050 | if (work->rvb_addr) | |
1051 | REVERBDo(work->SSumLR, RVB, ns_to, work->rvb_addr); | |
63a4f6b6 | 1052 | } |
1053 | ||
3bd31caf | 1054 | static void sync_worker_thread(int force) |
63a4f6b6 | 1055 | { |
3bd31caf | 1056 | struct work_item *work; |
1057 | int done, used_space; | |
63a4f6b6 | 1058 | |
7b2c4897 | 1059 | // rvb offsets will change, thread may be using them |
1060 | force |= spu.rvb->dirty && spu.rvb->StartAddr; | |
1061 | ||
3bd31caf | 1062 | done = thread_get_i_done() - worker->i_reaped; |
1063 | used_space = worker->i_ready - worker->i_reaped; | |
0c1151fe | 1064 | |
3bd31caf | 1065 | //printf("done: %d use: %d dsp: %u/%u\n", done, used_space, |
1066 | // worker->boot_cnt, worker->i_done); | |
63a4f6b6 | 1067 | |
3bd31caf | 1068 | while ((force && used_space > 0) || used_space >= WORK_MAXCNT || done > 0) { |
1069 | work = &worker->i[worker->i_reaped & WORK_I_MASK]; | |
1070 | thread_work_wait_sync(work, force); | |
63a4f6b6 | 1071 | |
05c7cec7 | 1072 | do_samples_finish(work->SSumLR, work->ns_to, |
3bd31caf | 1073 | work->channels_silent, work->decode_pos); |
63a4f6b6 | 1074 | |
3bd31caf | 1075 | worker->i_reaped++; |
1076 | done = thread_get_i_done() - worker->i_reaped; | |
1077 | used_space = worker->i_ready - worker->i_reaped; | |
63a4f6b6 | 1078 | } |
05c7cec7 | 1079 | if (force) |
1080 | thread_sync_caches(); | |
63a4f6b6 | 1081 | } |
1082 | ||
1083 | #else | |
1084 | ||
1085 | static void queue_channel_work(int ns_to, int silentch) {} | |
3bd31caf | 1086 | static void sync_worker_thread(int force) {} |
1087 | ||
1088 | static const void * const worker = NULL; | |
63a4f6b6 | 1089 | |
1090 | #endif // THREAD_ENABLED | |
1091 | ||
ef79bbde P |
1092 | //////////////////////////////////////////////////////////////////////// |
1093 | // MAIN SPU FUNCTION | |
6d75977b | 1094 | // here is the main job handler... |
ef79bbde P |
1095 | //////////////////////////////////////////////////////////////////////// |
1096 | ||
de4a0279 | 1097 | void do_samples(unsigned int cycles_to, int do_direct) |
ef79bbde | 1098 | { |
3bd31caf | 1099 | unsigned int silentch; |
650adfd2 | 1100 | int cycle_diff; |
3bd31caf | 1101 | int ns_to; |
ef79bbde | 1102 | |
3154bfab | 1103 | cycle_diff = cycles_to - spu.cycles_played; |
650adfd2 | 1104 | if (cycle_diff < -2*1048576 || cycle_diff > 2*1048576) |
1105 | { | |
1106 | //xprintf("desync %u %d\n", cycles_to, cycle_diff); | |
3154bfab | 1107 | spu.cycles_played = cycles_to; |
650adfd2 | 1108 | return; |
1109 | } | |
e34a4bd3 | 1110 | |
2daa7c1d | 1111 | silentch = ~(spu.dwChannelsAudible | spu.dwNewChannel) & 0xffffff; |
3bd31caf | 1112 | |
1113 | do_direct |= (silentch == 0xffffff); | |
de4a0279 | 1114 | if (worker != NULL) |
1115 | sync_worker_thread(do_direct); | |
1116 | ||
650adfd2 | 1117 | if (cycle_diff < 2 * 768) |
1118 | return; | |
e34a4bd3 | 1119 | |
650adfd2 | 1120 | ns_to = (cycle_diff / 768 + 1) & ~1; |
1121 | if (ns_to > NSSIZE) { | |
1122 | // should never happen | |
1123 | //xprintf("ns_to oflow %d %d\n", ns_to, NSSIZE); | |
1124 | ns_to = NSSIZE; | |
1125 | } | |
1126 | ||
1127 | ////////////////////////////////////////////////////// | |
1128 | // special irq handling in the decode buffers (0x0000-0x1000) | |
1129 | // we know: | |
1130 | // the decode buffers are located in spu memory in the following way: | |
1131 | // 0x0000-0x03ff CD audio left | |
1132 | // 0x0400-0x07ff CD audio right | |
1133 | // 0x0800-0x0bff Voice 1 | |
1134 | // 0x0c00-0x0fff Voice 3 | |
1135 | // and decoded data is 16 bit for one sample | |
1136 | // we assume: | |
1137 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
1138 | // play positions will move on and wrap after 0x400 bytes. | |
1139 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
1140 | // increase this pointer on each sample by 2 bytes. If this pointer | |
1141 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
1142 | // an IRQ. | |
1143 | ||
3154bfab | 1144 | if (unlikely((spu.spuCtrl & CTRL_IRQ) |
c4c66b22 | 1145 | && spu.pSpuIrq < spu.spuMemC+0x1000)) |
650adfd2 | 1146 | { |
3154bfab | 1147 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1148 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1149 | if (0 < left && left <= ns_to) |
1150 | { | |
3154bfab | 1151 | //xprintf("decoder irq %x\n", spu.decode_pos); |
650adfd2 | 1152 | do_irq(); |
650adfd2 | 1153 | } |
1154 | } | |
54604e03 | 1155 | check_irq_io(spu.spuAddr); |
650adfd2 | 1156 | |
7b2c4897 | 1157 | if (unlikely(spu.rvb->dirty)) |
1158 | REVERBPrep(); | |
1159 | ||
3bd31caf | 1160 | if (do_direct || worker == NULL || !spu_config.iUseThread) { |
1161 | do_channels(ns_to); | |
05c7cec7 | 1162 | do_samples_finish(spu.SSumLR, ns_to, silentch, spu.decode_pos); |
63a4f6b6 | 1163 | } |
215ff9e6 | 1164 | else { |
3bd31caf | 1165 | queue_channel_work(ns_to, silentch); |
4ecb720e | 1166 | //sync_worker_thread(1); // uncomment for debug |
215ff9e6 | 1167 | } |
ef79bbde | 1168 | |
215ff9e6 | 1169 | // advance "stopped" channels that can cause irqs |
1170 | // (all chans are always playing on the real thing..) | |
1171 | if (spu.spuCtrl & CTRL_IRQ) | |
1172 | do_silent_chans(ns_to, silentch); | |
1173 | ||
1174 | spu.cycles_played += ns_to * 768; | |
1175 | spu.decode_pos = (spu.decode_pos + ns_to) & 0x1ff; | |
1176 | } | |
1177 | ||
05c7cec7 | 1178 | static void do_samples_finish(int *SSumLR, int ns_to, |
3bd31caf | 1179 | int silentch, int decode_pos) |
215ff9e6 | 1180 | { |
a0d4a8f5 | 1181 | int vol_l = ((int)regAreaGet(H_SPUmvolL) << 17) >> 17; |
1182 | int vol_r = ((int)regAreaGet(H_SPUmvolR) << 17) >> 17; | |
215ff9e6 | 1183 | int ns; |
1184 | int d; | |
78c60846 | 1185 | |
3bd31caf | 1186 | // must clear silent channel decode buffers |
1187 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<1))) | |
b72f17a1 | 1188 | { |
3154bfab | 1189 | memset(&spu.spuMem[0x800/2], 0, 0x400); |
1190 | spu.decode_dirty_ch &= ~(1<<1); | |
b72f17a1 | 1191 | } |
3154bfab | 1192 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<3))) |
b72f17a1 | 1193 | { |
3154bfab | 1194 | memset(&spu.spuMem[0xc00/2], 0, 0x400); |
1195 | spu.decode_dirty_ch &= ~(1<<3); | |
b72f17a1 | 1196 | } |
8680e822 | 1197 | |
3bd31caf | 1198 | MixXA(SSumLR, ns_to, decode_pos); |
a0d4a8f5 | 1199 | |
1200 | vol_l = vol_l * spu_config.iVolume >> 10; | |
1201 | vol_r = vol_r * spu_config.iVolume >> 10; | |
1202 | ||
1203 | if (!(spu.spuCtrl & 0x4000) || !(vol_l | vol_r)) | |
1775933a | 1204 | { |
a0d4a8f5 | 1205 | // muted? (rare) |
3154bfab | 1206 | memset(spu.pS, 0, ns_to * 2 * sizeof(spu.pS[0])); |
a0d4a8f5 | 1207 | memset(SSumLR, 0, ns_to * 2 * sizeof(SSumLR[0])); |
3154bfab | 1208 | spu.pS += ns_to * 2; |
1775933a | 1209 | } |
1210 | else | |
650adfd2 | 1211 | for (ns = 0; ns < ns_to * 2; ) |
ef79bbde | 1212 | { |
9e7a7352 | 1213 | d = SSumLR[ns]; SSumLR[ns] = 0; |
e29eaeb9 | 1214 | d = d * vol_l >> 14; |
1775933a | 1215 | ssat32_to_16(d); |
3154bfab | 1216 | *spu.pS++ = d; |
97ea4077 | 1217 | ns++; |
ef79bbde | 1218 | |
9e7a7352 | 1219 | d = SSumLR[ns]; SSumLR[ns] = 0; |
e29eaeb9 | 1220 | d = d * vol_r >> 14; |
1775933a | 1221 | ssat32_to_16(d); |
3154bfab | 1222 | *spu.pS++ = d; |
97ea4077 | 1223 | ns++; |
ef79bbde | 1224 | } |
650adfd2 | 1225 | } |
ef79bbde | 1226 | |
650adfd2 | 1227 | void schedule_next_irq(void) |
1228 | { | |
1229 | unsigned int upd_samples; | |
1230 | int ch; | |
ef79bbde | 1231 | |
3154bfab | 1232 | if (spu.scheduleCallback == NULL) |
650adfd2 | 1233 | return; |
e34a4bd3 | 1234 | |
650adfd2 | 1235 | upd_samples = 44100 / 50; |
e34a4bd3 | 1236 | |
650adfd2 | 1237 | for (ch = 0; ch < MAXCHAN; ch++) |
1238 | { | |
3154bfab | 1239 | if (spu.dwChannelDead & (1 << ch)) |
650adfd2 | 1240 | continue; |
5514a050 | 1241 | if ((unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16 |
1242 | && (unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16) | |
650adfd2 | 1243 | continue; |
4f9efe54 | 1244 | if (spu.s_chan[ch].sinc == 0) |
1245 | continue; | |
16187bfb | 1246 | |
650adfd2 | 1247 | scan_for_irq(ch, &upd_samples); |
ef79bbde P |
1248 | } |
1249 | ||
3154bfab | 1250 | if (unlikely(spu.pSpuIrq < spu.spuMemC + 0x1000)) |
650adfd2 | 1251 | { |
3154bfab | 1252 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1253 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1254 | if (0 < left && left < upd_samples) { |
3154bfab | 1255 | //xprintf("decode: %3d (%3d/%3d)\n", left, spu.decode_pos, irq_pos); |
650adfd2 | 1256 | upd_samples = left; |
1257 | } | |
1258 | } | |
16187bfb | 1259 | |
650adfd2 | 1260 | if (upd_samples < 44100 / 50) |
3154bfab | 1261 | spu.scheduleCallback(upd_samples * 768); |
ef79bbde P |
1262 | } |
1263 | ||
1264 | // SPU ASYNC... even newer epsxe func | |
1265 | // 1 time every 'cycle' cycles... harhar | |
1266 | ||
650adfd2 | 1267 | // rearmed: called dynamically now |
554a2220 | 1268 | |
650adfd2 | 1269 | void CALLBACK SPUasync(unsigned int cycle, unsigned int flags) |
ef79bbde | 1270 | { |
1e0eac23 | 1271 | do_samples(cycle, spu_config.iUseFixedUpdates); |
fb552464 | 1272 | |
3154bfab | 1273 | if (spu.spuCtrl & CTRL_IRQ) |
650adfd2 | 1274 | schedule_next_irq(); |
f8edb5bc | 1275 | |
650adfd2 | 1276 | if (flags & 1) { |
3154bfab | 1277 | out_current->feed(spu.pSpuBuffer, (unsigned char *)spu.pS - spu.pSpuBuffer); |
1278 | spu.pS = (short *)spu.pSpuBuffer; | |
fb552464 | 1279 | |
3154bfab | 1280 | if (spu_config.iTempo) { |
650adfd2 | 1281 | if (!out_current->busy()) |
1282 | // cause more samples to be generated | |
1283 | // (and break some games because of bad sync) | |
3154bfab | 1284 | spu.cycles_played -= 44100 / 60 / 2 * 768; |
ef79bbde | 1285 | } |
650adfd2 | 1286 | } |
ef79bbde P |
1287 | } |
1288 | ||
1289 | // SPU UPDATE... new epsxe func | |
1290 | // 1 time every 32 hsync lines | |
1291 | // (312/32)x50 in pal | |
1292 | // (262/32)x60 in ntsc | |
1293 | ||
1294 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
1295 | // leave that func in the linux port, until epsxe linux is using | |
1296 | // the async function as well | |
1297 | ||
1298 | void CALLBACK SPUupdate(void) | |
1299 | { | |
ef79bbde P |
1300 | } |
1301 | ||
1302 | // XA AUDIO | |
1303 | ||
cdaef86c | 1304 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap, unsigned int cycle, int is_start) |
ef79bbde P |
1305 | { |
1306 | if(!xap) return; | |
cdaef86c | 1307 | if(!xap->freq) return; // no xa freq ? bye |
ef79bbde | 1308 | |
cdaef86c | 1309 | if (is_start) |
1310 | do_samples(cycle, 1); // catch up to prevent source underflows later | |
1311 | ||
1312 | FeedXA(xap); // call main XA feeder | |
ef79bbde P |
1313 | } |
1314 | ||
1315 | // CDDA AUDIO | |
cdaef86c | 1316 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes, unsigned int cycle, int is_start) |
ef79bbde | 1317 | { |
983a7cfd | 1318 | if (!pcm) return -1; |
1319 | if (nbytes<=0) return -1; | |
ef79bbde | 1320 | |
cdaef86c | 1321 | if (is_start) |
1322 | do_samples(cycle, 1); // catch up to prevent source underflows later | |
1323 | ||
983a7cfd | 1324 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
1325 | } |
1326 | ||
6d75977b | 1327 | // to be called after state load |
1328 | void ClearWorkingState(void) | |
ef79bbde | 1329 | { |
5514a050 | 1330 | memset(iFMod, 0, sizeof(iFMod)); |
3154bfab | 1331 | spu.pS=(short *)spu.pSpuBuffer; // setup soundbuffer pointer |
ef79bbde P |
1332 | } |
1333 | ||
1334 | // SETUPSTREAMS: init most of the spu buffers | |
05c7cec7 | 1335 | static void SetupStreams(void) |
ef79bbde | 1336 | { |
3154bfab | 1337 | spu.pSpuBuffer = (unsigned char *)malloc(32768); // alloc mixing buffer |
3bd31caf | 1338 | spu.SSumLR = calloc(NSSIZE * 2, sizeof(spu.SSumLR[0])); |
ef79bbde | 1339 | |
2cb5735e | 1340 | spu.XAStart = malloc(44100 * sizeof(uint32_t)); // alloc xa buffer |
3154bfab | 1341 | spu.XAEnd = spu.XAStart + 44100; |
1342 | spu.XAPlay = spu.XAStart; | |
1343 | spu.XAFeed = spu.XAStart; | |
ef79bbde | 1344 | |
2cb5735e | 1345 | spu.CDDAStart = malloc(CDDA_BUFFER_SIZE); // alloc cdda buffer |
3154bfab | 1346 | spu.CDDAEnd = spu.CDDAStart + 16384; |
1347 | spu.CDDAPlay = spu.CDDAStart; | |
1348 | spu.CDDAFeed = spu.CDDAStart; | |
ef79bbde | 1349 | |
6d75977b | 1350 | ClearWorkingState(); |
ef79bbde P |
1351 | } |
1352 | ||
1353 | // REMOVESTREAMS: free most buffer | |
05c7cec7 | 1354 | static void RemoveStreams(void) |
ef79bbde | 1355 | { |
3154bfab | 1356 | free(spu.pSpuBuffer); // free mixing buffer |
1357 | spu.pSpuBuffer = NULL; | |
3bd31caf | 1358 | free(spu.SSumLR); |
1359 | spu.SSumLR = NULL; | |
3154bfab | 1360 | free(spu.XAStart); // free XA buffer |
1361 | spu.XAStart = NULL; | |
1362 | free(spu.CDDAStart); // free CDDA buffer | |
1363 | spu.CDDAStart = NULL; | |
ef79bbde P |
1364 | } |
1365 | ||
5514a050 | 1366 | #if defined(C64X_DSP) |
1367 | ||
1368 | /* special code for TI C64x DSP */ | |
1369 | #include "spu_c64x.c" | |
1370 | ||
1371 | #elif defined(THREAD_ENABLED) | |
1372 | ||
1373 | #include <pthread.h> | |
1374 | #include <semaphore.h> | |
1375 | #include <unistd.h> | |
1376 | ||
1377 | static struct { | |
1378 | pthread_t thread; | |
1379 | sem_t sem_avail; | |
1380 | sem_t sem_done; | |
1381 | } t; | |
1382 | ||
1383 | /* generic pthread implementation */ | |
1384 | ||
1385 | static void thread_work_start(void) | |
1386 | { | |
1387 | sem_post(&t.sem_avail); | |
1388 | } | |
1389 | ||
3bd31caf | 1390 | static void thread_work_wait_sync(struct work_item *work, int force) |
5514a050 | 1391 | { |
1392 | sem_wait(&t.sem_done); | |
1393 | } | |
63a4f6b6 | 1394 | |
3bd31caf | 1395 | static int thread_get_i_done(void) |
de4a0279 | 1396 | { |
3bd31caf | 1397 | return worker->i_done; |
de4a0279 | 1398 | } |
1399 | ||
05c7cec7 | 1400 | static void thread_sync_caches(void) |
1401 | { | |
1402 | } | |
1403 | ||
63a4f6b6 | 1404 | static void *spu_worker_thread(void *unused) |
1405 | { | |
3bd31caf | 1406 | struct work_item *work; |
1407 | ||
63a4f6b6 | 1408 | while (1) { |
5514a050 | 1409 | sem_wait(&t.sem_avail); |
63a4f6b6 | 1410 | if (worker->exit_thread) |
1411 | break; | |
1412 | ||
3bd31caf | 1413 | work = &worker->i[worker->i_done & WORK_I_MASK]; |
1414 | do_channel_work(work); | |
1415 | worker->i_done++; | |
63a4f6b6 | 1416 | |
5514a050 | 1417 | sem_post(&t.sem_done); |
63a4f6b6 | 1418 | } |
1419 | ||
1420 | return NULL; | |
1421 | } | |
1422 | ||
1423 | static void init_spu_thread(void) | |
1424 | { | |
1425 | int ret; | |
1426 | ||
1427 | if (sysconf(_SC_NPROCESSORS_ONLN) <= 1) | |
1428 | return; | |
1429 | ||
1430 | worker = calloc(1, sizeof(*worker)); | |
1431 | if (worker == NULL) | |
1432 | return; | |
5514a050 | 1433 | ret = sem_init(&t.sem_avail, 0, 0); |
63a4f6b6 | 1434 | if (ret != 0) |
1435 | goto fail_sem_avail; | |
5514a050 | 1436 | ret = sem_init(&t.sem_done, 0, 0); |
63a4f6b6 | 1437 | if (ret != 0) |
1438 | goto fail_sem_done; | |
1439 | ||
5514a050 | 1440 | ret = pthread_create(&t.thread, NULL, spu_worker_thread, NULL); |
63a4f6b6 | 1441 | if (ret != 0) |
1442 | goto fail_thread; | |
1443 | ||
3bd31caf | 1444 | spu_config.iThreadAvail = 1; |
63a4f6b6 | 1445 | return; |
1446 | ||
1447 | fail_thread: | |
5514a050 | 1448 | sem_destroy(&t.sem_done); |
63a4f6b6 | 1449 | fail_sem_done: |
5514a050 | 1450 | sem_destroy(&t.sem_avail); |
63a4f6b6 | 1451 | fail_sem_avail: |
1452 | free(worker); | |
1453 | worker = NULL; | |
3bd31caf | 1454 | spu_config.iThreadAvail = 0; |
63a4f6b6 | 1455 | } |
1456 | ||
1457 | static void exit_spu_thread(void) | |
1458 | { | |
1459 | if (worker == NULL) | |
1460 | return; | |
1461 | worker->exit_thread = 1; | |
5514a050 | 1462 | sem_post(&t.sem_avail); |
1463 | pthread_join(t.thread, NULL); | |
1464 | sem_destroy(&t.sem_done); | |
1465 | sem_destroy(&t.sem_avail); | |
63a4f6b6 | 1466 | free(worker); |
1467 | worker = NULL; | |
1468 | } | |
1469 | ||
1470 | #else // if !THREAD_ENABLED | |
1471 | ||
1472 | static void init_spu_thread(void) | |
1473 | { | |
1474 | } | |
1475 | ||
1476 | static void exit_spu_thread(void) | |
1477 | { | |
1478 | } | |
1479 | ||
1480 | #endif | |
ef79bbde P |
1481 | |
1482 | // SPUINIT: this func will be called first by the main emu | |
1483 | long CALLBACK SPUinit(void) | |
1484 | { | |
05c7cec7 | 1485 | int i; |
1486 | ||
5514a050 | 1487 | spu.spuMemC = calloc(1, 512 * 1024); |
ef79bbde P |
1488 | InitADSR(); |
1489 | ||
5514a050 | 1490 | spu.s_chan = calloc(MAXCHAN+1, sizeof(spu.s_chan[0])); // channel + 1 infos (1 is security for fmod handling) |
05c7cec7 | 1491 | spu.rvb = calloc(1, sizeof(REVERBInfo)); |
de4a0279 | 1492 | spu.SB = calloc(MAXCHAN, sizeof(spu.SB[0]) * SB_SIZE); |
5514a050 | 1493 | |
1494 | spu.spuAddr = 0; | |
3154bfab | 1495 | spu.decode_pos = 0; |
c4c66b22 | 1496 | spu.pSpuIrq = spu.spuMemC; |
ef79bbde | 1497 | |
ef79bbde P |
1498 | SetupStreams(); // prepare streaming |
1499 | ||
3154bfab | 1500 | if (spu_config.iVolume == 0) |
1501 | spu_config.iVolume = 768; // 1024 is 1.0 | |
1502 | ||
63a4f6b6 | 1503 | init_spu_thread(); |
1504 | ||
05c7cec7 | 1505 | for (i = 0; i < MAXCHAN; i++) // loop sound channels |
1506 | { | |
1507 | spu.s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain | |
1508 | spu.s_chan[i].ADSRX.SustainIncrease = 1; | |
1509 | spu.s_chan[i].pLoop = spu.spuMemC; | |
1510 | spu.s_chan[i].pCurr = spu.spuMemC; | |
9601ca6d | 1511 | spu.s_chan[i].bIgnoreLoop = 0; |
05c7cec7 | 1512 | } |
1513 | ||
1514 | spu.bSpuInit=1; // flag: we are inited | |
1515 | ||
ef79bbde P |
1516 | return 0; |
1517 | } | |
1518 | ||
1519 | // SPUOPEN: called by main emu after init | |
1520 | long CALLBACK SPUopen(void) | |
1521 | { | |
3154bfab | 1522 | if (spu.bSPUIsOpen) return 0; // security for some stupid main emus |
ef79bbde P |
1523 | |
1524 | SetupSound(); // setup sound (before init!) | |
ef79bbde | 1525 | |
3154bfab | 1526 | spu.bSPUIsOpen = 1; |
ef79bbde P |
1527 | |
1528 | return PSE_SPU_ERR_SUCCESS; | |
1529 | } | |
1530 | ||
1531 | // SPUCLOSE: called before shutdown | |
1532 | long CALLBACK SPUclose(void) | |
1533 | { | |
3154bfab | 1534 | if (!spu.bSPUIsOpen) return 0; // some security |
ef79bbde | 1535 | |
3154bfab | 1536 | spu.bSPUIsOpen = 0; // no more open |
ef79bbde | 1537 | |
07c13dfd | 1538 | out_current->finish(); // no more sound handling |
ef79bbde P |
1539 | |
1540 | return 0; | |
1541 | } | |
1542 | ||
1543 | // SPUSHUTDOWN: called by main emu on final exit | |
1544 | long CALLBACK SPUshutdown(void) | |
1545 | { | |
1546 | SPUclose(); | |
ef79bbde | 1547 | |
63a4f6b6 | 1548 | exit_spu_thread(); |
1549 | ||
5514a050 | 1550 | free(spu.spuMemC); |
1551 | spu.spuMemC = NULL; | |
de4a0279 | 1552 | free(spu.SB); |
1553 | spu.SB = NULL; | |
5514a050 | 1554 | free(spu.s_chan); |
1555 | spu.s_chan = NULL; | |
05c7cec7 | 1556 | free(spu.rvb); |
1557 | spu.rvb = NULL; | |
5514a050 | 1558 | |
1559 | RemoveStreams(); // no more streaming | |
1560 | spu.bSpuInit=0; | |
1561 | ||
ef79bbde P |
1562 | return 0; |
1563 | } | |
1564 | ||
1565 | // SPUTEST: we don't test, we are always fine ;) | |
1566 | long CALLBACK SPUtest(void) | |
1567 | { | |
1568 | return 0; | |
1569 | } | |
1570 | ||
1571 | // SPUCONFIGURE: call config dialog | |
1572 | long CALLBACK SPUconfigure(void) | |
1573 | { | |
1574 | #ifdef _MACOSX | |
1575 | DoConfiguration(); | |
1576 | #else | |
ee849648 | 1577 | // StartCfgTool("CFG"); |
ef79bbde P |
1578 | #endif |
1579 | return 0; | |
1580 | } | |
1581 | ||
1582 | // SPUABOUT: show about window | |
1583 | void CALLBACK SPUabout(void) | |
1584 | { | |
1585 | #ifdef _MACOSX | |
1586 | DoAbout(); | |
1587 | #else | |
ee849648 | 1588 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1589 | #endif |
1590 | } | |
1591 | ||
1592 | // SETUP CALLBACKS | |
1593 | // this functions will be called once, | |
1594 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1595 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1596 | { | |
3154bfab | 1597 | spu.irqCallback = callback; |
ef79bbde P |
1598 | } |
1599 | ||
7d6997de | 1600 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(short, short)) |
ef79bbde | 1601 | { |
3154bfab | 1602 | spu.cddavCallback = CDDAVcallback; |
ef79bbde P |
1603 | } |
1604 | ||
2b30c129 | 1605 | void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int)) |
1606 | { | |
3154bfab | 1607 | spu.scheduleCallback = callback; |
2b30c129 | 1608 | } |
1609 | ||
ef79bbde | 1610 | // COMMON PLUGIN INFO FUNCS |
e906c010 | 1611 | /* |
ef79bbde P |
1612 | char * CALLBACK PSEgetLibName(void) |
1613 | { | |
1614 | return _(libraryName); | |
1615 | } | |
1616 | ||
1617 | unsigned long CALLBACK PSEgetLibType(void) | |
1618 | { | |
1619 | return PSE_LT_SPU; | |
1620 | } | |
1621 | ||
1622 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1623 | { | |
1624 | return (1 << 16) | (6 << 8); | |
1625 | } | |
1626 | ||
1627 | char * SPUgetLibInfos(void) | |
1628 | { | |
1629 | return _(libraryInfo); | |
1630 | } | |
e906c010 | 1631 | */ |
6d866bb7 | 1632 | |
90f1d26c | 1633 | // debug |
174c454a | 1634 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1635 | { |
174c454a | 1636 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1637 | |
5514a050 | 1638 | if (spu.s_chan == NULL) |
1639 | return; | |
1640 | ||
90f1d26c | 1641 | for(;ch<MAXCHAN;ch++) |
1642 | { | |
2daa7c1d | 1643 | if (!(spu.dwChannelsAudible & (1<<ch))) |
90f1d26c | 1644 | continue; |
5514a050 | 1645 | if (spu.s_chan[ch].bFMod == 2) |
90f1d26c | 1646 | fmod_chans |= 1 << ch; |
5514a050 | 1647 | if (spu.s_chan[ch].bNoise) |
90f1d26c | 1648 | noise_chans |= 1 << ch; |
5514a050 | 1649 | if((spu.spuCtrl&CTRL_IRQ) && spu.s_chan[ch].pCurr <= spu.pSpuIrq && spu.s_chan[ch].pLoop <= spu.pSpuIrq) |
174c454a | 1650 | irq_chans |= 1 << ch; |
90f1d26c | 1651 | } |
1652 | ||
2daa7c1d | 1653 | *chans_out = spu.dwChannelsAudible; |
1654 | *run_chans = ~spu.dwChannelsAudible & ~spu.dwChannelDead & irq_chans; | |
90f1d26c | 1655 | *fmod_chans_out = fmod_chans; |
1656 | *noise_chans_out = noise_chans; | |
1657 | } | |
1658 | ||
6d866bb7 | 1659 | // vim:shiftwidth=1:expandtab |