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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 | ||
de4a0279 | 21 | #if !defined(_WIN32) && !defined(NO_OS) |
003cfc63 | 22 | #include <sys/time.h> // gettimeofday in xa.c |
63a4f6b6 | 23 | #define THREAD_ENABLED 1 |
003cfc63 | 24 | #endif |
ef79bbde P |
25 | #include "stdafx.h" |
26 | ||
27 | #define _IN_SPU | |
28 | ||
29 | #include "externals.h" | |
3fc2a4c2 | 30 | #include "registers.h" |
07c13dfd | 31 | #include "out.h" |
3154bfab | 32 | #include "spu_config.h" |
ef79bbde | 33 | |
de4a0279 | 34 | #ifdef __arm__ |
35 | #include "arm_features.h" | |
36 | #endif | |
37 | ||
a80ae4a0 | 38 | #ifdef __ARM_ARCH_7A__ |
1775933a | 39 | #define ssat32_to_16(v) \ |
40 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
41 | #else | |
42 | #define ssat32_to_16(v) do { \ | |
43 | if (v < -32768) v = -32768; \ | |
44 | else if (v > 32767) v = 32767; \ | |
45 | } while (0) | |
46 | #endif | |
47 | ||
fb552464 | 48 | #define PSXCLK 33868800 /* 33.8688 MHz */ |
49 | ||
650adfd2 | 50 | // intended to be ~1 frame |
51 | #define IRQ_NEAR_BLOCKS 32 | |
52 | ||
6d866bb7 | 53 | /* |
ef79bbde P |
54 | #if defined (USEMACOSX) |
55 | static char * libraryName = N_("Mac OS X Sound"); | |
56 | #elif defined (USEALSA) | |
57 | static char * libraryName = N_("ALSA Sound"); | |
58 | #elif defined (USEOSS) | |
59 | static char * libraryName = N_("OSS Sound"); | |
60 | #elif defined (USESDL) | |
61 | static char * libraryName = N_("SDL Sound"); | |
62 | #elif defined (USEPULSEAUDIO) | |
63 | static char * libraryName = N_("PulseAudio Sound"); | |
64 | #else | |
65 | static char * libraryName = N_("NULL Sound"); | |
66 | #endif | |
67 | ||
68 | 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 | 69 | */ |
ef79bbde P |
70 | |
71 | // globals | |
72 | ||
3154bfab | 73 | SPUInfo spu; |
74 | SPUConfig spu_config; | |
ef79bbde P |
75 | |
76 | // MAIN infos struct for each channel | |
77 | ||
ef79bbde P |
78 | REVERBInfo rvb; |
79 | ||
5514a050 | 80 | static int iFMod[NSSIZE]; |
3154bfab | 81 | int ChanBuf[NSSIZE]; |
ef79bbde | 82 | |
983a7cfd | 83 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
84 | ||
ef79bbde P |
85 | //////////////////////////////////////////////////////////////////////// |
86 | // CODE AREA | |
87 | //////////////////////////////////////////////////////////////////////// | |
88 | ||
89 | // dirty inline func includes | |
90 | ||
91 | #include "reverb.c" | |
92 | #include "adsr.c" | |
93 | ||
94 | //////////////////////////////////////////////////////////////////////// | |
95 | // helpers for simple interpolation | |
96 | ||
97 | // | |
98 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
99 | // | |
100 | // instead of having n equal sample values in a row like: | |
101 | // ____ | |
102 | // |____ | |
103 | // | |
104 | // we compare the current delta change with the next delta change. | |
105 | // | |
106 | // if curr_delta is positive, | |
107 | // | |
108 | // - and next delta is smaller (or changing direction): | |
109 | // \. | |
110 | // -__ | |
111 | // | |
112 | // - and next delta significant (at least twice) bigger: | |
113 | // --_ | |
114 | // \. | |
115 | // | |
116 | // - and next delta is nearly same: | |
117 | // \. | |
118 | // \. | |
119 | // | |
120 | // | |
121 | // if curr_delta is negative, | |
122 | // | |
123 | // - and next delta is smaller (or changing direction): | |
124 | // _-- | |
125 | // / | |
126 | // | |
127 | // - and next delta significant (at least twice) bigger: | |
128 | // / | |
129 | // __- | |
130 | // | |
131 | // - and next delta is nearly same: | |
132 | // / | |
133 | // / | |
134 | // | |
135 | ||
011755d7 | 136 | static void InterpolateUp(int *SB, int sinc) |
ef79bbde | 137 | { |
011755d7 | 138 | if(SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass |
ef79bbde | 139 | { |
011755d7 | 140 | const int id1=SB[30]-SB[29]; // curr delta to next val |
141 | const int id2=SB[31]-SB[30]; // and next delta to next-next val :) | |
ef79bbde | 142 | |
011755d7 | 143 | SB[32]=0; |
ef79bbde P |
144 | |
145 | if(id1>0) // curr delta positive | |
146 | { | |
147 | if(id2<id1) | |
011755d7 | 148 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
149 | else |
150 | if(id2<(id1<<1)) | |
011755d7 | 151 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 152 | else |
011755d7 | 153 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
154 | } |
155 | else // curr delta negative | |
156 | { | |
157 | if(id2>id1) | |
011755d7 | 158 | {SB[28]=id1;SB[32]=2;} |
ef79bbde P |
159 | else |
160 | if(id2>(id1<<1)) | |
011755d7 | 161 | SB[28]=(id1*sinc)>>16; |
ef79bbde | 162 | else |
011755d7 | 163 | SB[28]=(id1*sinc)>>17; |
ef79bbde P |
164 | } |
165 | } | |
166 | else | |
011755d7 | 167 | if(SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass |
ef79bbde | 168 | { |
011755d7 | 169 | SB[32]=0; |
ef79bbde | 170 | |
011755d7 | 171 | SB[28]=(SB[28]*sinc)>>17; |
172 | //if(sinc<=0x8000) | |
173 | // SB[29]=SB[30]-(SB[28]*((0x10000/sinc)-1)); | |
76d1d09c | 174 | //else |
011755d7 | 175 | SB[29]+=SB[28]; |
ef79bbde P |
176 | } |
177 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
011755d7 | 178 | SB[29]+=SB[28]; |
ef79bbde P |
179 | } |
180 | ||
181 | // | |
182 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
183 | // | |
184 | ||
011755d7 | 185 | static void InterpolateDown(int *SB, int sinc) |
ef79bbde | 186 | { |
011755d7 | 187 | if(sinc>=0x20000L) // we would skip at least one val? |
ef79bbde | 188 | { |
011755d7 | 189 | SB[29]+=(SB[30]-SB[29])/2; // add easy weight |
190 | if(sinc>=0x30000L) // we would skip even more vals? | |
191 | SB[29]+=(SB[31]-SB[30])/2; // add additional next weight | |
ef79bbde P |
192 | } |
193 | } | |
194 | ||
195 | //////////////////////////////////////////////////////////////////////// | |
196 | // helpers for gauss interpolation | |
197 | ||
011755d7 | 198 | #define gval0 (((short*)(&SB[29]))[gpos&3]) |
199 | #define gval(x) ((int)((short*)(&SB[29]))[(gpos+x)&3]) | |
ef79bbde P |
200 | |
201 | #include "gauss_i.h" | |
202 | ||
203 | //////////////////////////////////////////////////////////////////////// | |
204 | ||
205 | #include "xa.c" | |
206 | ||
e4f075af | 207 | static void do_irq(void) |
208 | { | |
3154bfab | 209 | //if(!(spu.spuStat & STAT_IRQ)) |
e4f075af | 210 | { |
3154bfab | 211 | spu.spuStat |= STAT_IRQ; // asserted status? |
212 | if(spu.irqCallback) spu.irqCallback(); | |
e4f075af | 213 | } |
214 | } | |
215 | ||
216 | static int check_irq(int ch, unsigned char *pos) | |
217 | { | |
3154bfab | 218 | if((spu.spuCtrl & CTRL_IRQ) && pos == spu.pSpuIrq) |
e4f075af | 219 | { |
3154bfab | 220 | //printf("ch%d irq %04x\n", ch, pos - spu.spuMemC); |
e4f075af | 221 | do_irq(); |
222 | return 1; | |
223 | } | |
224 | return 0; | |
225 | } | |
226 | ||
ef79bbde P |
227 | //////////////////////////////////////////////////////////////////////// |
228 | // START SOUND... called by main thread to setup a new sound on a channel | |
229 | //////////////////////////////////////////////////////////////////////// | |
230 | ||
3bd31caf | 231 | static void StartSoundSB(int *SB) |
ef79bbde | 232 | { |
de4a0279 | 233 | SB[26]=0; // init mixing vars |
234 | SB[27]=0; | |
ef79bbde | 235 | |
de4a0279 | 236 | SB[28]=0; |
237 | SB[29]=0; // init our interpolation helpers | |
238 | SB[30]=0; | |
239 | SB[31]=0; | |
3bd31caf | 240 | } |
241 | ||
242 | static void StartSoundMain(int ch) | |
243 | { | |
244 | SPUCHAN *s_chan = &spu.s_chan[ch]; | |
245 | ||
246 | StartADSR(ch); | |
247 | StartREVERB(ch); | |
248 | ||
249 | s_chan->prevflags=2; | |
250 | s_chan->iSBPos=27; | |
5514a050 | 251 | s_chan->spos=0; |
ef79bbde | 252 | |
3154bfab | 253 | spu.dwNewChannel&=~(1<<ch); // clear new channel bit |
4ccd0fb2 | 254 | spu.dwChannelOn|=1<<ch; |
255 | spu.dwChannelDead&=~(1<<ch); | |
ef79bbde P |
256 | } |
257 | ||
3bd31caf | 258 | static void StartSound(int ch) |
259 | { | |
260 | StartSoundMain(ch); | |
261 | StartSoundSB(spu.SB + ch * SB_SIZE); | |
262 | } | |
263 | ||
ef79bbde P |
264 | //////////////////////////////////////////////////////////////////////// |
265 | // ALL KIND OF HELPERS | |
266 | //////////////////////////////////////////////////////////////////////// | |
267 | ||
011755d7 | 268 | INLINE int FModChangeFrequency(int *SB, int pitch, int ns) |
ef79bbde | 269 | { |
011755d7 | 270 | unsigned int NP=pitch; |
07a6dd2c | 271 | int sinc; |
ef79bbde | 272 | |
011755d7 | 273 | NP=((32768L+iFMod[ns])*NP)>>15; |
ef79bbde P |
274 | |
275 | if(NP>0x3fff) NP=0x3fff; | |
276 | if(NP<0x1) NP=0x1; | |
277 | ||
7e44d49d | 278 | sinc=NP<<4; // calc frequency |
3154bfab | 279 | if(spu_config.iUseInterpolation==1) // freq change in simple interpolation mode |
011755d7 | 280 | SB[32]=1; |
ef79bbde | 281 | iFMod[ns]=0; |
07a6dd2c | 282 | |
283 | return sinc; | |
ef79bbde P |
284 | } |
285 | ||
286 | //////////////////////////////////////////////////////////////////////// | |
287 | ||
011755d7 | 288 | INLINE void StoreInterpolationVal(int *SB, int sinc, int fa, int fmod_freq) |
ef79bbde | 289 | { |
011755d7 | 290 | if(fmod_freq) // fmod freq channel |
291 | SB[29]=fa; | |
ef79bbde P |
292 | else |
293 | { | |
381ea103 | 294 | ssat32_to_16(fa); |
ef79bbde | 295 | |
3154bfab | 296 | if(spu_config.iUseInterpolation>=2) // gauss/cubic interpolation |
011755d7 | 297 | { |
298 | int gpos = SB[28]; | |
299 | gval0 = fa; | |
ef79bbde | 300 | gpos = (gpos+1) & 3; |
011755d7 | 301 | SB[28] = gpos; |
ef79bbde P |
302 | } |
303 | else | |
3154bfab | 304 | if(spu_config.iUseInterpolation==1) // simple interpolation |
ef79bbde | 305 | { |
011755d7 | 306 | SB[28] = 0; |
307 | 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' | |
308 | SB[30] = SB[31]; | |
309 | SB[31] = fa; | |
310 | SB[32] = 1; // -> flag: calc new interolation | |
ef79bbde | 311 | } |
011755d7 | 312 | else SB[29]=fa; // no interpolation |
ef79bbde P |
313 | } |
314 | } | |
315 | ||
316 | //////////////////////////////////////////////////////////////////////// | |
317 | ||
011755d7 | 318 | INLINE int iGetInterpolationVal(int *SB, int sinc, int spos, int fmod_freq) |
ef79bbde P |
319 | { |
320 | int fa; | |
321 | ||
011755d7 | 322 | if(fmod_freq) return SB[29]; |
ef79bbde | 323 | |
3154bfab | 324 | switch(spu_config.iUseInterpolation) |
011755d7 | 325 | { |
ef79bbde P |
326 | //--------------------------------------------------// |
327 | case 3: // cubic interpolation | |
328 | { | |
329 | long xd;int gpos; | |
8cd23d6d | 330 | xd = (spos >> 1)+1; |
011755d7 | 331 | gpos = SB[28]; |
ef79bbde P |
332 | |
333 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
334 | fa *= (xd - (2<<15)) / 6; | |
335 | fa >>= 15; | |
336 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
337 | fa *= (xd - (1<<15)) >> 1; | |
338 | fa >>= 15; | |
339 | fa += gval(1) - gval0; | |
340 | fa *= xd; | |
341 | fa >>= 15; | |
342 | fa = fa + gval0; | |
343 | ||
344 | } break; | |
345 | //--------------------------------------------------// | |
346 | case 2: // gauss interpolation | |
347 | { | |
348 | int vl, vr;int gpos; | |
8cd23d6d | 349 | vl = (spos >> 6) & ~3; |
011755d7 | 350 | gpos = SB[28]; |
f05d6ca2 | 351 | vr=(gauss[vl]*(int)gval0)&~2047; |
ef79bbde P |
352 | vr+=(gauss[vl+1]*gval(1))&~2047; |
353 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
354 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
355 | fa = vr>>11; | |
356 | } break; | |
357 | //--------------------------------------------------// | |
358 | case 1: // simple interpolation | |
359 | { | |
011755d7 | 360 | if(sinc<0x10000L) // -> upsampling? |
361 | InterpolateUp(SB, sinc); // --> interpolate up | |
362 | else InterpolateDown(SB, sinc); // --> else down | |
363 | fa=SB[29]; | |
ef79bbde P |
364 | } break; |
365 | //--------------------------------------------------// | |
366 | default: // no interpolation | |
367 | { | |
011755d7 | 368 | fa=SB[29]; |
ef79bbde P |
369 | } break; |
370 | //--------------------------------------------------// | |
371 | } | |
372 | ||
373 | return fa; | |
374 | } | |
375 | ||
381ea103 | 376 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
377 | { | |
5514a050 | 378 | static const int f[16][2] = { |
379 | { 0, 0 }, | |
380 | { 60, 0 }, | |
381 | { 115, -52 }, | |
382 | { 98, -55 }, | |
383 | { 122, -60 } | |
384 | }; | |
381ea103 | 385 | int nSample; |
386 | int fa, s_1, s_2, d, s; | |
387 | ||
388 | s_1 = dest[27]; | |
389 | s_2 = dest[26]; | |
390 | ||
391 | for (nSample = 0; nSample < 28; src++) | |
392 | { | |
393 | d = (int)*src; | |
394 | s = (int)(signed short)((d & 0x0f) << 12); | |
395 | ||
396 | fa = s >> shift_factor; | |
397 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
398 | s_2=s_1;s_1=fa; | |
399 | ||
400 | dest[nSample++] = fa; | |
401 | ||
402 | s = (int)(signed short)((d & 0xf0) << 8); | |
403 | fa = s >> shift_factor; | |
404 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
405 | s_2=s_1;s_1=fa; | |
406 | ||
407 | dest[nSample++] = fa; | |
408 | } | |
409 | } | |
410 | ||
3bd31caf | 411 | static int decode_block(void *unused, int ch, int *SB) |
e11ae5c5 | 412 | { |
5514a050 | 413 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
e11ae5c5 | 414 | unsigned char *start; |
215ff9e6 | 415 | int predict_nr, shift_factor, flags; |
e11ae5c5 | 416 | int ret = 0; |
417 | ||
5514a050 | 418 | start = s_chan->pCurr; // set up the current pos |
215ff9e6 | 419 | if (start == spu.spuMemC) // ? |
420 | ret = 1; | |
e11ae5c5 | 421 | |
5514a050 | 422 | if (s_chan->prevflags & 1) // 1: stop/loop |
3fc2a4c2 | 423 | { |
5514a050 | 424 | if (!(s_chan->prevflags & 2)) |
215ff9e6 | 425 | ret = 1; |
e4f075af | 426 | |
5514a050 | 427 | start = s_chan->pLoop; |
3fc2a4c2 | 428 | } |
89cb2058 | 429 | else |
215ff9e6 | 430 | check_irq(ch, start); // hack, see check_irq below.. |
e11ae5c5 | 431 | |
5514a050 | 432 | predict_nr = start[0]; |
215ff9e6 | 433 | shift_factor = predict_nr & 0xf; |
e11ae5c5 | 434 | predict_nr >>= 4; |
e11ae5c5 | 435 | |
011755d7 | 436 | decode_block_data(SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 437 | |
215ff9e6 | 438 | flags = start[1]; |
439 | if (flags & 4) | |
5514a050 | 440 | s_chan->pLoop = start; // loop adress |
e11ae5c5 | 441 | |
215ff9e6 | 442 | start += 16; |
3fc2a4c2 | 443 | |
215ff9e6 | 444 | if (flags & 1) { // 1: stop/loop |
5514a050 | 445 | start = s_chan->pLoop; |
215ff9e6 | 446 | check_irq(ch, start); // hack.. :( |
89cb2058 | 447 | } |
e11ae5c5 | 448 | |
3154bfab | 449 | if (start - spu.spuMemC >= 0x80000) |
450 | start = spu.spuMemC; | |
e4f075af | 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 | } |
472 | else | |
473 | check_irq(ch, start); | |
07a6dd2c | 474 | |
215ff9e6 | 475 | flags = start[1]; |
476 | if (flags & 4) | |
5514a050 | 477 | s_chan->pLoop = start; |
07a6dd2c | 478 | |
e4f075af | 479 | start += 16; |
07a6dd2c | 480 | |
215ff9e6 | 481 | if (flags & 1) { |
5514a050 | 482 | start = s_chan->pLoop; |
215ff9e6 | 483 | check_irq(ch, start); |
484 | } | |
07a6dd2c | 485 | |
5514a050 | 486 | s_chan->pCurr = start; |
487 | s_chan->prevflags = flags; | |
e4f075af | 488 | |
89cb2058 | 489 | return ret; |
07a6dd2c | 490 | } |
491 | ||
650adfd2 | 492 | // if irq is going to trigger sooner than in upd_samples, set upd_samples |
493 | static void scan_for_irq(int ch, unsigned int *upd_samples) | |
494 | { | |
5514a050 | 495 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
650adfd2 | 496 | int pos, sinc, sinc_inv, end; |
497 | unsigned char *block; | |
498 | int flags; | |
499 | ||
5514a050 | 500 | block = s_chan->pCurr; |
501 | pos = s_chan->spos; | |
502 | sinc = s_chan->sinc; | |
650adfd2 | 503 | end = pos + *upd_samples * sinc; |
504 | ||
5514a050 | 505 | pos += (28 - s_chan->iSBPos) << 16; |
650adfd2 | 506 | while (pos < end) |
507 | { | |
3154bfab | 508 | if (block == spu.pSpuIrq) |
650adfd2 | 509 | break; |
510 | flags = block[1]; | |
511 | block += 16; | |
512 | if (flags & 1) { // 1: stop/loop | |
5514a050 | 513 | block = s_chan->pLoop; |
3154bfab | 514 | if (block == spu.pSpuIrq) // hack.. (see decode_block) |
650adfd2 | 515 | break; |
516 | } | |
517 | pos += 28 << 16; | |
518 | } | |
519 | ||
520 | if (pos < end) | |
521 | { | |
5514a050 | 522 | sinc_inv = s_chan->sinc_inv; |
650adfd2 | 523 | if (sinc_inv == 0) |
5514a050 | 524 | sinc_inv = s_chan->sinc_inv = (0x80000000u / (uint32_t)sinc) << 1; |
650adfd2 | 525 | |
5514a050 | 526 | pos -= s_chan->spos; |
650adfd2 | 527 | *upd_samples = (((uint64_t)pos * sinc_inv) >> 32) + 1; |
528 | //xprintf("ch%02d: irq sched: %3d %03d\n", | |
529 | // ch, *upd_samples, *upd_samples * 60 * 263 / 44100); | |
530 | } | |
531 | } | |
532 | ||
07a6dd2c | 533 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ |
3bd31caf | 534 | static noinline int do_samples_##name( \ |
535 | int (*decode_f)(void *context, int ch, int *SB), void *ctx, \ | |
536 | int ch, int ns_to, int *SB, int sinc, int *spos, int *sbpos) \ | |
07a6dd2c | 537 | { \ |
215ff9e6 | 538 | int ns, d, fa; \ |
539 | int ret = ns_to; \ | |
07a6dd2c | 540 | interp_start; \ |
541 | \ | |
215ff9e6 | 542 | for (ns = 0; ns < ns_to; ns++) \ |
07a6dd2c | 543 | { \ |
544 | fmod_code; \ | |
545 | \ | |
63a4f6b6 | 546 | *spos += sinc; \ |
547 | while (*spos >= 0x10000) \ | |
07a6dd2c | 548 | { \ |
63a4f6b6 | 549 | fa = SB[(*sbpos)++]; \ |
550 | if (*sbpos >= 28) \ | |
07a6dd2c | 551 | { \ |
63a4f6b6 | 552 | *sbpos = 0; \ |
3bd31caf | 553 | d = decode_f(ctx, ch, SB); \ |
215ff9e6 | 554 | if (d && ns < ret) \ |
555 | ret = ns; \ | |
07a6dd2c | 556 | } \ |
557 | \ | |
07a6dd2c | 558 | interp1_code; \ |
63a4f6b6 | 559 | *spos -= 0x10000; \ |
07a6dd2c | 560 | } \ |
561 | \ | |
562 | interp2_code; \ | |
07a6dd2c | 563 | } \ |
564 | \ | |
07a6dd2c | 565 | interp_end; \ |
566 | \ | |
567 | return ret; \ | |
568 | } | |
569 | ||
570 | #define fmod_recv_check \ | |
5514a050 | 571 | if(spu.s_chan[ch].bFMod==1 && iFMod[ns]) \ |
572 | sinc = FModChangeFrequency(SB, spu.s_chan[ch].iRawPitch, ns) | |
07a6dd2c | 573 | |
574 | make_do_samples(default, fmod_recv_check, , | |
5514a050 | 575 | StoreInterpolationVal(SB, sinc, fa, spu.s_chan[ch].bFMod==2), |
576 | ChanBuf[ns] = iGetInterpolationVal(SB, sinc, *spos, spu.s_chan[ch].bFMod==2), ) | |
011755d7 | 577 | make_do_samples(noint, , fa = SB[29], , ChanBuf[ns] = fa, SB[29] = fa) |
07a6dd2c | 578 | |
579 | #define simple_interp_store \ | |
215ff9e6 | 580 | SB[28] = 0; \ |
581 | SB[29] = SB[30]; \ | |
582 | SB[30] = SB[31]; \ | |
583 | SB[31] = fa; \ | |
584 | SB[32] = 1 | |
07a6dd2c | 585 | |
586 | #define simple_interp_get \ | |
011755d7 | 587 | if(sinc<0x10000) /* -> upsampling? */ \ |
588 | InterpolateUp(SB, sinc); /* --> interpolate up */ \ | |
589 | else InterpolateDown(SB, sinc); /* --> else down */ \ | |
590 | ChanBuf[ns] = SB[29] | |
07a6dd2c | 591 | |
592 | make_do_samples(simple, , , | |
593 | simple_interp_store, simple_interp_get, ) | |
594 | ||
215ff9e6 | 595 | static int do_samples_skip(int ch, int ns_to) |
07a6dd2c | 596 | { |
5514a050 | 597 | SPUCHAN *s_chan = &spu.s_chan[ch]; |
215ff9e6 | 598 | int ret = ns_to, ns, d; |
b1094d0e | 599 | |
5514a050 | 600 | s_chan->spos += s_chan->iSBPos << 16; |
215ff9e6 | 601 | |
602 | for (ns = 0; ns < ns_to; ns++) | |
07a6dd2c | 603 | { |
5514a050 | 604 | s_chan->spos += s_chan->sinc; |
605 | while (s_chan->spos >= 28*0x10000) | |
215ff9e6 | 606 | { |
607 | d = skip_block(ch); | |
608 | if (d && ns < ret) | |
609 | ret = ns; | |
5514a050 | 610 | s_chan->spos -= 28*0x10000; |
215ff9e6 | 611 | } |
07a6dd2c | 612 | } |
613 | ||
5514a050 | 614 | s_chan->iSBPos = s_chan->spos >> 16; |
615 | s_chan->spos &= 0xffff; | |
215ff9e6 | 616 | |
617 | return ret; | |
618 | } | |
619 | ||
620 | static void do_lsfr_samples(int ns_to, int ctrl, | |
621 | unsigned int *dwNoiseCount, unsigned int *dwNoiseVal) | |
622 | { | |
623 | unsigned int counter = *dwNoiseCount; | |
624 | unsigned int val = *dwNoiseVal; | |
625 | unsigned int level, shift, bit; | |
626 | int ns; | |
627 | ||
b1094d0e | 628 | // modified from DrHell/shalma, no fraction |
215ff9e6 | 629 | level = (ctrl >> 10) & 0x0f; |
b1094d0e | 630 | level = 0x8000 >> level; |
631 | ||
215ff9e6 | 632 | for (ns = 0; ns < ns_to; ns++) |
b1094d0e | 633 | { |
215ff9e6 | 634 | counter += 2; |
635 | if (counter >= level) | |
b1094d0e | 636 | { |
215ff9e6 | 637 | counter -= level; |
638 | shift = (val >> 10) & 0x1f; | |
b1094d0e | 639 | bit = (0x69696969 >> shift) & 1; |
215ff9e6 | 640 | bit ^= (val >> 15) & 1; |
641 | val = (val << 1) | bit; | |
b1094d0e | 642 | } |
643 | ||
215ff9e6 | 644 | ChanBuf[ns] = (signed short)val; |
b1094d0e | 645 | } |
07a6dd2c | 646 | |
215ff9e6 | 647 | *dwNoiseCount = counter; |
648 | *dwNoiseVal = val; | |
649 | } | |
650 | ||
651 | static int do_samples_noise(int ch, int ns_to) | |
652 | { | |
653 | int ret; | |
654 | ||
655 | ret = do_samples_skip(ch, ns_to); | |
656 | ||
657 | do_lsfr_samples(ns_to, spu.spuCtrl, &spu.dwNoiseCount, &spu.dwNoiseVal); | |
658 | ||
89cb2058 | 659 | return ret; |
07a6dd2c | 660 | } |
661 | ||
665f33e1 | 662 | #ifdef HAVE_ARMV5 |
3a721c1f | 663 | // asm code; lv and rv must be 0-3fff |
3bd31caf | 664 | extern void mix_chan(int *SSumLR, int count, int lv, int rv); |
665 | extern void mix_chan_rvb(int *SSumLR, int count, int lv, int rv, int *rvb); | |
b17618c0 | 666 | #else |
3bd31caf | 667 | static void mix_chan(int *SSumLR, int count, int lv, int rv) |
b17618c0 | 668 | { |
3bd31caf | 669 | const int *src = ChanBuf; |
b17618c0 | 670 | int l, r; |
671 | ||
672 | while (count--) | |
673 | { | |
674 | int sval = *src++; | |
675 | ||
676 | l = (sval * lv) >> 14; | |
677 | r = (sval * rv) >> 14; | |
3bd31caf | 678 | *SSumLR++ += l; |
679 | *SSumLR++ += r; | |
b17618c0 | 680 | } |
681 | } | |
682 | ||
3bd31caf | 683 | static void mix_chan_rvb(int *SSumLR, int count, int lv, int rv, int *rvb) |
b17618c0 | 684 | { |
3bd31caf | 685 | const int *src = ChanBuf; |
686 | int *dst = SSumLR; | |
687 | int *drvb = rvb; | |
b17618c0 | 688 | int l, r; |
689 | ||
690 | while (count--) | |
691 | { | |
692 | int sval = *src++; | |
693 | ||
694 | l = (sval * lv) >> 14; | |
695 | r = (sval * rv) >> 14; | |
696 | *dst++ += l; | |
697 | *dst++ += r; | |
698 | *drvb++ += l; | |
699 | *drvb++ += r; | |
700 | } | |
701 | } | |
702 | #endif | |
703 | ||
b72f17a1 | 704 | // 0x0800-0x0bff Voice 1 |
705 | // 0x0c00-0x0fff Voice 3 | |
215ff9e6 | 706 | static noinline void do_decode_bufs(unsigned short *mem, int which, |
707 | int count, int decode_pos) | |
b72f17a1 | 708 | { |
215ff9e6 | 709 | unsigned short *dst = &mem[0x800/2 + which*0x400/2]; |
710 | const int *src = ChanBuf; | |
711 | int cursor = decode_pos; | |
b72f17a1 | 712 | |
713 | while (count-- > 0) | |
714 | { | |
ee9afdbd | 715 | cursor &= 0x1ff; |
b72f17a1 | 716 | dst[cursor] = *src++; |
ee9afdbd | 717 | cursor++; |
b72f17a1 | 718 | } |
719 | ||
720 | // decode_pos is updated and irqs are checked later, after voice loop | |
721 | } | |
722 | ||
215ff9e6 | 723 | static void do_silent_chans(int ns_to, int silentch) |
724 | { | |
5514a050 | 725 | unsigned int mask; |
726 | SPUCHAN *s_chan; | |
215ff9e6 | 727 | int ch; |
728 | ||
5514a050 | 729 | mask = silentch & 0xffffff; |
730 | for (ch = 0; mask != 0; ch++, mask >>= 1) | |
215ff9e6 | 731 | { |
5514a050 | 732 | if (!(mask & 1)) continue; |
215ff9e6 | 733 | if (spu.dwChannelDead & (1<<ch)) continue; |
5514a050 | 734 | |
735 | s_chan = &spu.s_chan[ch]; | |
736 | if (s_chan->pCurr > spu.pSpuIrq && s_chan->pLoop > spu.pSpuIrq) | |
215ff9e6 | 737 | continue; |
738 | ||
5514a050 | 739 | s_chan->spos += s_chan->iSBPos << 16; |
740 | s_chan->iSBPos = 0; | |
215ff9e6 | 741 | |
5514a050 | 742 | s_chan->spos += s_chan->sinc * ns_to; |
743 | while (s_chan->spos >= 28 * 0x10000) | |
215ff9e6 | 744 | { |
5514a050 | 745 | unsigned char *start = s_chan->pCurr; |
215ff9e6 | 746 | |
747 | skip_block(ch); | |
5514a050 | 748 | if (start == s_chan->pCurr || start - spu.spuMemC < 0x1000) |
215ff9e6 | 749 | { |
750 | // looping on self or stopped(?) | |
751 | spu.dwChannelDead |= 1<<ch; | |
5514a050 | 752 | s_chan->spos = 0; |
215ff9e6 | 753 | break; |
754 | } | |
755 | ||
5514a050 | 756 | s_chan->spos -= 28 * 0x10000; |
215ff9e6 | 757 | } |
758 | } | |
759 | } | |
760 | ||
761 | static void do_channels(int ns_to) | |
762 | { | |
763 | unsigned int mask; | |
5514a050 | 764 | SPUCHAN *s_chan; |
63a4f6b6 | 765 | int *SB, sinc; |
215ff9e6 | 766 | int ch, d; |
767 | ||
3bd31caf | 768 | memset(spu.RVB, 0, ns_to * sizeof(spu.RVB[0]) * 2); |
769 | ||
770 | mask = spu.dwNewChannel & 0xffffff; | |
771 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
772 | if (mask & 1) | |
773 | StartSound(ch); | |
774 | } | |
215ff9e6 | 775 | |
776 | mask = spu.dwChannelOn & 0xffffff; | |
777 | for (ch = 0; mask != 0; ch++, mask >>= 1) // loop em all... | |
778 | { | |
779 | if (!(mask & 1)) continue; // channel not playing? next | |
780 | ||
5514a050 | 781 | s_chan = &spu.s_chan[ch]; |
de4a0279 | 782 | SB = spu.SB + ch * SB_SIZE; |
5514a050 | 783 | sinc = s_chan->sinc; |
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) { |
800 | spu.dwChannelOn &= ~(1 << ch); | |
5514a050 | 801 | s_chan->ADSRX.EnvelopeVol = 0; |
215ff9e6 | 802 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); |
803 | } | |
804 | ||
805 | if (ch == 1 || ch == 3) | |
806 | { | |
807 | do_decode_bufs(spu.spuMem, ch/2, ns_to, spu.decode_pos); | |
808 | spu.decode_dirty_ch |= 1 << ch; | |
809 | } | |
810 | ||
5514a050 | 811 | if (s_chan->bFMod == 2) // fmod freq channel |
215ff9e6 | 812 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
5514a050 | 813 | if (s_chan->bRVBActive) |
3bd31caf | 814 | mix_chan_rvb(spu.SSumLR, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume, spu.RVB); |
215ff9e6 | 815 | else |
3bd31caf | 816 | mix_chan(spu.SSumLR, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
215ff9e6 | 817 | } |
818 | } | |
819 | ||
3bd31caf | 820 | static void do_samples_finish(int *SSumLR, int *RVB, int ns_to, |
821 | int silentch, int decode_pos); | |
63a4f6b6 | 822 | |
823 | // optional worker thread handling | |
824 | ||
de4a0279 | 825 | #if defined(THREAD_ENABLED) || defined(WANT_THREAD_CODE) |
63a4f6b6 | 826 | |
3bd31caf | 827 | // worker thread state |
828 | static struct spu_worker { | |
829 | union { | |
830 | struct { | |
831 | unsigned int exit_thread; | |
832 | unsigned int i_ready; | |
833 | unsigned int i_reaped; | |
834 | unsigned int req_sent; // dsp | |
835 | unsigned int last_boot_cnt; | |
836 | }; | |
837 | // aligning for C64X_DSP | |
838 | unsigned int _pad0[128/4]; | |
839 | }; | |
840 | union { | |
841 | struct { | |
842 | unsigned int i_done; | |
843 | unsigned int active; // dsp | |
844 | unsigned int boot_cnt; | |
845 | }; | |
846 | unsigned int _pad1[128/4]; | |
847 | }; | |
848 | struct work_item { | |
849 | int ns_to; | |
850 | int ctrl; | |
851 | int decode_pos; | |
852 | unsigned int channels_new; | |
853 | unsigned int channels_on; | |
854 | unsigned int channels_silent; | |
855 | struct { | |
856 | int spos; | |
857 | int sbpos; | |
858 | int sinc; | |
859 | int start; | |
860 | int loop; | |
861 | int ns_to; | |
862 | ADSRInfoEx adsr; | |
863 | // might want to add vol and fmod flags.. | |
864 | } ch[24]; | |
865 | int RVB[NSSIZE * 2]; | |
866 | int SSumLR[NSSIZE * 2]; | |
867 | } i[4]; | |
868 | } *worker; | |
869 | ||
870 | #define WORK_MAXCNT (sizeof(worker->i) / sizeof(worker->i[0])) | |
871 | #define WORK_I_MASK (WORK_MAXCNT - 1) | |
872 | ||
5514a050 | 873 | static void thread_work_start(void); |
3bd31caf | 874 | static void thread_work_wait_sync(struct work_item *work, int force); |
875 | static int thread_get_i_done(void); | |
876 | ||
877 | static int decode_block_work(void *context, int ch, int *SB) | |
878 | { | |
879 | const unsigned char *ram = spu.spuMemC; | |
880 | int predict_nr, shift_factor, flags; | |
881 | struct work_item *work = context; | |
882 | int start = work->ch[ch].start; | |
883 | int loop = work->ch[ch].loop; | |
884 | ||
885 | predict_nr = ram[start]; | |
886 | shift_factor = predict_nr & 0xf; | |
887 | predict_nr >>= 4; | |
888 | ||
889 | decode_block_data(SB, ram + start + 2, predict_nr, shift_factor); | |
890 | ||
891 | flags = ram[start + 1]; | |
892 | if (flags & 4) | |
893 | loop = start; // loop adress | |
894 | ||
895 | start += 16; | |
896 | ||
897 | if (flags & 1) // 1: stop/loop | |
898 | start = loop; | |
899 | ||
900 | work->ch[ch].start = start & 0x7ffff; | |
901 | work->ch[ch].loop = loop; | |
902 | ||
903 | return 0; | |
904 | } | |
5514a050 | 905 | |
3bd31caf | 906 | static void queue_channel_work(int ns_to, unsigned int silentch) |
63a4f6b6 | 907 | { |
3bd31caf | 908 | struct work_item *work; |
909 | SPUCHAN *s_chan; | |
63a4f6b6 | 910 | unsigned int mask; |
3bd31caf | 911 | int ch, d; |
63a4f6b6 | 912 | |
3bd31caf | 913 | work = &worker->i[worker->i_ready & WORK_I_MASK]; |
914 | work->ns_to = ns_to; | |
915 | work->ctrl = spu.spuCtrl; | |
916 | work->decode_pos = spu.decode_pos; | |
917 | work->channels_silent = silentch; | |
918 | ||
919 | mask = work->channels_new = spu.dwNewChannel & 0xffffff; | |
920 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
921 | if (mask & 1) | |
922 | StartSoundMain(ch); | |
923 | } | |
924 | ||
925 | mask = work->channels_on = spu.dwChannelOn & 0xffffff; | |
926 | spu.decode_dirty_ch |= mask & 0x0a; | |
63a4f6b6 | 927 | |
63a4f6b6 | 928 | for (ch = 0; mask != 0; ch++, mask >>= 1) |
929 | { | |
930 | if (!(mask & 1)) continue; | |
931 | ||
5514a050 | 932 | s_chan = &spu.s_chan[ch]; |
3bd31caf | 933 | work->ch[ch].spos = s_chan->spos; |
934 | work->ch[ch].sbpos = s_chan->iSBPos; | |
935 | work->ch[ch].sinc = s_chan->sinc; | |
936 | work->ch[ch].adsr = s_chan->ADSRX; | |
937 | work->ch[ch].start = s_chan->pCurr - spu.spuMemC; | |
938 | work->ch[ch].loop = s_chan->pLoop - spu.spuMemC; | |
5514a050 | 939 | if (s_chan->prevflags & 1) |
3bd31caf | 940 | work->ch[ch].start = work->ch[ch].loop; |
63a4f6b6 | 941 | |
3bd31caf | 942 | d = do_samples_skip(ch, ns_to); |
943 | work->ch[ch].ns_to = d; | |
944 | ||
945 | // note: d is not accurate on skip | |
946 | d = SkipADSR(&s_chan->ADSRX, d); | |
947 | if (d < ns_to) { | |
948 | spu.dwChannelOn &= ~(1 << ch); | |
949 | s_chan->ADSRX.EnvelopeVol = 0; | |
950 | } | |
63a4f6b6 | 951 | } |
952 | ||
3bd31caf | 953 | worker->i_ready++; |
5514a050 | 954 | thread_work_start(); |
63a4f6b6 | 955 | } |
956 | ||
3bd31caf | 957 | static void do_channel_work(struct work_item *work) |
63a4f6b6 | 958 | { |
3bd31caf | 959 | unsigned int mask; |
63a4f6b6 | 960 | unsigned int decode_dirty_ch = 0; |
961 | int *SB, sinc, spos, sbpos; | |
962 | int d, ch, ns_to; | |
5514a050 | 963 | SPUCHAN *s_chan; |
63a4f6b6 | 964 | |
3bd31caf | 965 | ns_to = work->ns_to; |
966 | memset(work->RVB, 0, ns_to * sizeof(work->RVB[0]) * 2); | |
63a4f6b6 | 967 | |
3bd31caf | 968 | mask = work->channels_new; |
969 | for (ch = 0; mask != 0; ch++, mask >>= 1) { | |
970 | if (mask & 1) | |
971 | StartSoundSB(spu.SB + ch * SB_SIZE); | |
972 | } | |
973 | ||
974 | mask = work->channels_on; | |
63a4f6b6 | 975 | for (ch = 0; mask != 0; ch++, mask >>= 1) |
976 | { | |
977 | if (!(mask & 1)) continue; | |
978 | ||
3bd31caf | 979 | d = work->ch[ch].ns_to; |
980 | spos = work->ch[ch].spos; | |
981 | sbpos = work->ch[ch].sbpos; | |
982 | sinc = work->ch[ch].sinc; | |
63a4f6b6 | 983 | |
5514a050 | 984 | s_chan = &spu.s_chan[ch]; |
de4a0279 | 985 | SB = spu.SB + ch * SB_SIZE; |
5514a050 | 986 | |
987 | if (s_chan->bNoise) | |
3bd31caf | 988 | do_lsfr_samples(d, work->ctrl, &spu.dwNoiseCount, &spu.dwNoiseVal); |
5514a050 | 989 | else if (s_chan->bFMod == 2 |
990 | || (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 0)) | |
3bd31caf | 991 | do_samples_noint(decode_block_work, work, ch, d, SB, sinc, &spos, &sbpos); |
5514a050 | 992 | else if (s_chan->bFMod == 0 && spu_config.iUseInterpolation == 1) |
3bd31caf | 993 | do_samples_simple(decode_block_work, work, ch, d, SB, sinc, &spos, &sbpos); |
63a4f6b6 | 994 | else |
3bd31caf | 995 | do_samples_default(decode_block_work, work, ch, d, SB, sinc, &spos, &sbpos); |
63a4f6b6 | 996 | |
3bd31caf | 997 | d = MixADSR(&work->ch[ch].adsr, d); |
63a4f6b6 | 998 | if (d < ns_to) { |
3bd31caf | 999 | work->ch[ch].adsr.EnvelopeVol = 0; |
63a4f6b6 | 1000 | memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); |
1001 | } | |
1002 | ||
1003 | if (ch == 1 || ch == 3) | |
1004 | { | |
3bd31caf | 1005 | do_decode_bufs(spu.spuMem, ch/2, ns_to, work->decode_pos); |
63a4f6b6 | 1006 | decode_dirty_ch |= 1 << ch; |
1007 | } | |
1008 | ||
5514a050 | 1009 | if (s_chan->bFMod == 2) // fmod freq channel |
63a4f6b6 | 1010 | memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); |
5514a050 | 1011 | if (s_chan->bRVBActive) |
3bd31caf | 1012 | mix_chan_rvb(work->SSumLR, ns_to, |
1013 | s_chan->iLeftVolume, s_chan->iRightVolume, work->RVB); | |
63a4f6b6 | 1014 | else |
3bd31caf | 1015 | mix_chan(work->SSumLR, ns_to, s_chan->iLeftVolume, s_chan->iRightVolume); |
63a4f6b6 | 1016 | } |
63a4f6b6 | 1017 | } |
1018 | ||
3bd31caf | 1019 | static void sync_worker_thread(int force) |
63a4f6b6 | 1020 | { |
3bd31caf | 1021 | struct work_item *work; |
1022 | int done, used_space; | |
63a4f6b6 | 1023 | |
3bd31caf | 1024 | done = thread_get_i_done() - worker->i_reaped; |
1025 | used_space = worker->i_ready - worker->i_reaped; | |
1026 | //printf("done: %d use: %d dsp: %u/%u\n", done, used_space, | |
1027 | // worker->boot_cnt, worker->i_done); | |
63a4f6b6 | 1028 | |
3bd31caf | 1029 | while ((force && used_space > 0) || used_space >= WORK_MAXCNT || done > 0) { |
1030 | work = &worker->i[worker->i_reaped & WORK_I_MASK]; | |
1031 | thread_work_wait_sync(work, force); | |
63a4f6b6 | 1032 | |
3bd31caf | 1033 | do_samples_finish(work->SSumLR, work->RVB, work->ns_to, |
1034 | work->channels_silent, work->decode_pos); | |
63a4f6b6 | 1035 | |
3bd31caf | 1036 | worker->i_reaped++; |
1037 | done = thread_get_i_done() - worker->i_reaped; | |
1038 | used_space = worker->i_ready - worker->i_reaped; | |
63a4f6b6 | 1039 | } |
63a4f6b6 | 1040 | } |
1041 | ||
1042 | #else | |
1043 | ||
1044 | static void queue_channel_work(int ns_to, int silentch) {} | |
3bd31caf | 1045 | static void sync_worker_thread(int force) {} |
1046 | ||
1047 | static const void * const worker = NULL; | |
63a4f6b6 | 1048 | |
1049 | #endif // THREAD_ENABLED | |
1050 | ||
ef79bbde P |
1051 | //////////////////////////////////////////////////////////////////////// |
1052 | // MAIN SPU FUNCTION | |
6d75977b | 1053 | // here is the main job handler... |
ef79bbde P |
1054 | //////////////////////////////////////////////////////////////////////// |
1055 | ||
de4a0279 | 1056 | void do_samples(unsigned int cycles_to, int do_direct) |
ef79bbde | 1057 | { |
3bd31caf | 1058 | unsigned int silentch; |
650adfd2 | 1059 | int cycle_diff; |
3bd31caf | 1060 | int ns_to; |
ef79bbde | 1061 | |
3154bfab | 1062 | cycle_diff = cycles_to - spu.cycles_played; |
650adfd2 | 1063 | if (cycle_diff < -2*1048576 || cycle_diff > 2*1048576) |
1064 | { | |
1065 | //xprintf("desync %u %d\n", cycles_to, cycle_diff); | |
3154bfab | 1066 | spu.cycles_played = cycles_to; |
650adfd2 | 1067 | return; |
1068 | } | |
e34a4bd3 | 1069 | |
3bd31caf | 1070 | silentch = ~(spu.dwChannelOn | spu.dwNewChannel) & 0xffffff; |
1071 | ||
1072 | do_direct |= (silentch == 0xffffff); | |
de4a0279 | 1073 | if (worker != NULL) |
1074 | sync_worker_thread(do_direct); | |
1075 | ||
650adfd2 | 1076 | if (cycle_diff < 2 * 768) |
1077 | return; | |
e34a4bd3 | 1078 | |
650adfd2 | 1079 | ns_to = (cycle_diff / 768 + 1) & ~1; |
1080 | if (ns_to > NSSIZE) { | |
1081 | // should never happen | |
1082 | //xprintf("ns_to oflow %d %d\n", ns_to, NSSIZE); | |
1083 | ns_to = NSSIZE; | |
1084 | } | |
1085 | ||
1086 | ////////////////////////////////////////////////////// | |
1087 | // special irq handling in the decode buffers (0x0000-0x1000) | |
1088 | // we know: | |
1089 | // the decode buffers are located in spu memory in the following way: | |
1090 | // 0x0000-0x03ff CD audio left | |
1091 | // 0x0400-0x07ff CD audio right | |
1092 | // 0x0800-0x0bff Voice 1 | |
1093 | // 0x0c00-0x0fff Voice 3 | |
1094 | // and decoded data is 16 bit for one sample | |
1095 | // we assume: | |
1096 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
1097 | // play positions will move on and wrap after 0x400 bytes. | |
1098 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
1099 | // increase this pointer on each sample by 2 bytes. If this pointer | |
1100 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
1101 | // an IRQ. | |
1102 | ||
3154bfab | 1103 | if (unlikely((spu.spuCtrl & CTRL_IRQ) |
c4c66b22 | 1104 | && spu.pSpuIrq < spu.spuMemC+0x1000)) |
650adfd2 | 1105 | { |
3154bfab | 1106 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1107 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1108 | if (0 < left && left <= ns_to) |
1109 | { | |
3154bfab | 1110 | //xprintf("decoder irq %x\n", spu.decode_pos); |
650adfd2 | 1111 | do_irq(); |
650adfd2 | 1112 | } |
1113 | } | |
1114 | ||
3bd31caf | 1115 | if (do_direct || worker == NULL || !spu_config.iUseThread) { |
1116 | do_channels(ns_to); | |
1117 | do_samples_finish(spu.SSumLR, spu.RVB, ns_to, silentch, spu.decode_pos); | |
63a4f6b6 | 1118 | } |
215ff9e6 | 1119 | else { |
3bd31caf | 1120 | queue_channel_work(ns_to, silentch); |
215ff9e6 | 1121 | } |
ef79bbde | 1122 | |
215ff9e6 | 1123 | // advance "stopped" channels that can cause irqs |
1124 | // (all chans are always playing on the real thing..) | |
1125 | if (spu.spuCtrl & CTRL_IRQ) | |
1126 | do_silent_chans(ns_to, silentch); | |
1127 | ||
1128 | spu.cycles_played += ns_to * 768; | |
1129 | spu.decode_pos = (spu.decode_pos + ns_to) & 0x1ff; | |
1130 | } | |
1131 | ||
3bd31caf | 1132 | static void do_samples_finish(int *SSumLR, int *RVB, int ns_to, |
1133 | int silentch, int decode_pos) | |
215ff9e6 | 1134 | { |
1135 | int volmult = spu_config.iVolume; | |
1136 | int ns; | |
1137 | int d; | |
78c60846 | 1138 | |
3bd31caf | 1139 | // must clear silent channel decode buffers |
1140 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<1))) | |
b72f17a1 | 1141 | { |
3154bfab | 1142 | memset(&spu.spuMem[0x800/2], 0, 0x400); |
1143 | spu.decode_dirty_ch &= ~(1<<1); | |
b72f17a1 | 1144 | } |
3154bfab | 1145 | if(unlikely(silentch & spu.decode_dirty_ch & (1<<3))) |
b72f17a1 | 1146 | { |
3154bfab | 1147 | memset(&spu.spuMem[0xc00/2], 0, 0x400); |
1148 | spu.decode_dirty_ch &= ~(1<<3); | |
b72f17a1 | 1149 | } |
8680e822 | 1150 | |
ef79bbde P |
1151 | //---------------------------------------------------// |
1152 | // mix XA infos (if any) | |
1153 | ||
3bd31caf | 1154 | MixXA(SSumLR, ns_to, decode_pos); |
ef79bbde P |
1155 | |
1156 | /////////////////////////////////////////////////////// | |
1157 | // mix all channels (including reverb) into one buffer | |
1158 | ||
3154bfab | 1159 | if(spu_config.iUseReverb) |
3bd31caf | 1160 | REVERBDo(SSumLR, RVB, ns_to); |
1775933a | 1161 | |
3154bfab | 1162 | if((spu.spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) |
1775933a | 1163 | { |
3154bfab | 1164 | memset(spu.pS, 0, ns_to * 2 * sizeof(spu.pS[0])); |
1165 | spu.pS += ns_to * 2; | |
1775933a | 1166 | } |
1167 | else | |
650adfd2 | 1168 | for (ns = 0; ns < ns_to * 2; ) |
ef79bbde | 1169 | { |
9e7a7352 | 1170 | d = SSumLR[ns]; SSumLR[ns] = 0; |
1171 | d = d * volmult >> 10; | |
1775933a | 1172 | ssat32_to_16(d); |
3154bfab | 1173 | *spu.pS++ = d; |
97ea4077 | 1174 | ns++; |
ef79bbde | 1175 | |
9e7a7352 | 1176 | d = SSumLR[ns]; SSumLR[ns] = 0; |
1177 | d = d * volmult >> 10; | |
1775933a | 1178 | ssat32_to_16(d); |
3154bfab | 1179 | *spu.pS++ = d; |
97ea4077 | 1180 | ns++; |
ef79bbde | 1181 | } |
650adfd2 | 1182 | } |
ef79bbde | 1183 | |
650adfd2 | 1184 | void schedule_next_irq(void) |
1185 | { | |
1186 | unsigned int upd_samples; | |
1187 | int ch; | |
ef79bbde | 1188 | |
3154bfab | 1189 | if (spu.scheduleCallback == NULL) |
650adfd2 | 1190 | return; |
e34a4bd3 | 1191 | |
650adfd2 | 1192 | upd_samples = 44100 / 50; |
e34a4bd3 | 1193 | |
650adfd2 | 1194 | for (ch = 0; ch < MAXCHAN; ch++) |
1195 | { | |
3154bfab | 1196 | if (spu.dwChannelDead & (1 << ch)) |
650adfd2 | 1197 | continue; |
5514a050 | 1198 | if ((unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16 |
1199 | && (unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16) | |
650adfd2 | 1200 | continue; |
16187bfb | 1201 | |
650adfd2 | 1202 | scan_for_irq(ch, &upd_samples); |
ef79bbde P |
1203 | } |
1204 | ||
3154bfab | 1205 | if (unlikely(spu.pSpuIrq < spu.spuMemC + 0x1000)) |
650adfd2 | 1206 | { |
3154bfab | 1207 | int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; |
1208 | int left = (irq_pos - spu.decode_pos) & 0x1ff; | |
650adfd2 | 1209 | if (0 < left && left < upd_samples) { |
3154bfab | 1210 | //xprintf("decode: %3d (%3d/%3d)\n", left, spu.decode_pos, irq_pos); |
650adfd2 | 1211 | upd_samples = left; |
1212 | } | |
1213 | } | |
16187bfb | 1214 | |
650adfd2 | 1215 | if (upd_samples < 44100 / 50) |
3154bfab | 1216 | spu.scheduleCallback(upd_samples * 768); |
ef79bbde P |
1217 | } |
1218 | ||
1219 | // SPU ASYNC... even newer epsxe func | |
1220 | // 1 time every 'cycle' cycles... harhar | |
1221 | ||
650adfd2 | 1222 | // rearmed: called dynamically now |
554a2220 | 1223 | |
650adfd2 | 1224 | void CALLBACK SPUasync(unsigned int cycle, unsigned int flags) |
ef79bbde | 1225 | { |
63a4f6b6 | 1226 | do_samples(cycle, 0); |
fb552464 | 1227 | |
3154bfab | 1228 | if (spu.spuCtrl & CTRL_IRQ) |
650adfd2 | 1229 | schedule_next_irq(); |
f8edb5bc | 1230 | |
650adfd2 | 1231 | if (flags & 1) { |
3154bfab | 1232 | out_current->feed(spu.pSpuBuffer, (unsigned char *)spu.pS - spu.pSpuBuffer); |
1233 | spu.pS = (short *)spu.pSpuBuffer; | |
fb552464 | 1234 | |
3154bfab | 1235 | if (spu_config.iTempo) { |
650adfd2 | 1236 | if (!out_current->busy()) |
1237 | // cause more samples to be generated | |
1238 | // (and break some games because of bad sync) | |
3154bfab | 1239 | spu.cycles_played -= 44100 / 60 / 2 * 768; |
ef79bbde | 1240 | } |
650adfd2 | 1241 | } |
ef79bbde P |
1242 | } |
1243 | ||
1244 | // SPU UPDATE... new epsxe func | |
1245 | // 1 time every 32 hsync lines | |
1246 | // (312/32)x50 in pal | |
1247 | // (262/32)x60 in ntsc | |
1248 | ||
1249 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
1250 | // leave that func in the linux port, until epsxe linux is using | |
1251 | // the async function as well | |
1252 | ||
1253 | void CALLBACK SPUupdate(void) | |
1254 | { | |
ef79bbde P |
1255 | } |
1256 | ||
1257 | // XA AUDIO | |
1258 | ||
1259 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
1260 | { | |
1261 | if(!xap) return; | |
1262 | if(!xap->freq) return; // no xa freq ? bye | |
1263 | ||
1264 | FeedXA(xap); // call main XA feeder | |
1265 | } | |
1266 | ||
1267 | // CDDA AUDIO | |
983a7cfd | 1268 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
ef79bbde | 1269 | { |
983a7cfd | 1270 | if (!pcm) return -1; |
1271 | if (nbytes<=0) return -1; | |
ef79bbde | 1272 | |
983a7cfd | 1273 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
1274 | } |
1275 | ||
6d75977b | 1276 | // to be called after state load |
1277 | void ClearWorkingState(void) | |
ef79bbde | 1278 | { |
5514a050 | 1279 | memset(iFMod, 0, sizeof(iFMod)); |
3154bfab | 1280 | spu.pS=(short *)spu.pSpuBuffer; // setup soundbuffer pointer |
ef79bbde P |
1281 | } |
1282 | ||
1283 | // SETUPSTREAMS: init most of the spu buffers | |
1284 | void SetupStreams(void) | |
1285 | { | |
1286 | int i; | |
1287 | ||
3154bfab | 1288 | spu.pSpuBuffer = (unsigned char *)malloc(32768); // alloc mixing buffer |
3bd31caf | 1289 | spu.RVB = calloc(NSSIZE * 2, sizeof(spu.RVB[0])); |
1290 | spu.SSumLR = calloc(NSSIZE * 2, sizeof(spu.SSumLR[0])); | |
ef79bbde | 1291 | |
3154bfab | 1292 | spu.XAStart = // alloc xa buffer |
ef79bbde | 1293 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); |
3154bfab | 1294 | spu.XAEnd = spu.XAStart + 44100; |
1295 | spu.XAPlay = spu.XAStart; | |
1296 | spu.XAFeed = spu.XAStart; | |
ef79bbde | 1297 | |
3154bfab | 1298 | spu.CDDAStart = // alloc cdda buffer |
983a7cfd | 1299 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
3154bfab | 1300 | spu.CDDAEnd = spu.CDDAStart + 16384; |
1301 | spu.CDDAPlay = spu.CDDAStart; | |
1302 | spu.CDDAFeed = spu.CDDAStart; | |
ef79bbde P |
1303 | |
1304 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
1305 | { | |
5514a050 | 1306 | spu.s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
1307 | spu.s_chan[i].ADSRX.SustainIncrease = 1; | |
1308 | spu.s_chan[i].pLoop=spu.spuMemC; | |
1309 | spu.s_chan[i].pCurr=spu.spuMemC; | |
ef79bbde P |
1310 | } |
1311 | ||
6d75977b | 1312 | ClearWorkingState(); |
1313 | ||
3154bfab | 1314 | spu.bSpuInit=1; // flag: we are inited |
ef79bbde P |
1315 | } |
1316 | ||
1317 | // REMOVESTREAMS: free most buffer | |
1318 | void RemoveStreams(void) | |
1319 | { | |
3154bfab | 1320 | free(spu.pSpuBuffer); // free mixing buffer |
1321 | spu.pSpuBuffer = NULL; | |
3bd31caf | 1322 | free(spu.RVB); // free reverb buffer |
1323 | spu.RVB = NULL; | |
1324 | free(spu.SSumLR); | |
1325 | spu.SSumLR = NULL; | |
3154bfab | 1326 | free(spu.XAStart); // free XA buffer |
1327 | spu.XAStart = NULL; | |
1328 | free(spu.CDDAStart); // free CDDA buffer | |
1329 | spu.CDDAStart = NULL; | |
ef79bbde P |
1330 | } |
1331 | ||
5514a050 | 1332 | #if defined(C64X_DSP) |
1333 | ||
1334 | /* special code for TI C64x DSP */ | |
1335 | #include "spu_c64x.c" | |
1336 | ||
1337 | #elif defined(THREAD_ENABLED) | |
1338 | ||
1339 | #include <pthread.h> | |
1340 | #include <semaphore.h> | |
1341 | #include <unistd.h> | |
1342 | ||
1343 | static struct { | |
1344 | pthread_t thread; | |
1345 | sem_t sem_avail; | |
1346 | sem_t sem_done; | |
1347 | } t; | |
1348 | ||
1349 | /* generic pthread implementation */ | |
1350 | ||
1351 | static void thread_work_start(void) | |
1352 | { | |
1353 | sem_post(&t.sem_avail); | |
1354 | } | |
1355 | ||
3bd31caf | 1356 | static void thread_work_wait_sync(struct work_item *work, int force) |
5514a050 | 1357 | { |
1358 | sem_wait(&t.sem_done); | |
1359 | } | |
63a4f6b6 | 1360 | |
3bd31caf | 1361 | static int thread_get_i_done(void) |
de4a0279 | 1362 | { |
3bd31caf | 1363 | return worker->i_done; |
de4a0279 | 1364 | } |
1365 | ||
63a4f6b6 | 1366 | static void *spu_worker_thread(void *unused) |
1367 | { | |
3bd31caf | 1368 | struct work_item *work; |
1369 | ||
63a4f6b6 | 1370 | while (1) { |
5514a050 | 1371 | sem_wait(&t.sem_avail); |
63a4f6b6 | 1372 | if (worker->exit_thread) |
1373 | break; | |
1374 | ||
3bd31caf | 1375 | work = &worker->i[worker->i_done & WORK_I_MASK]; |
1376 | do_channel_work(work); | |
1377 | worker->i_done++; | |
63a4f6b6 | 1378 | |
5514a050 | 1379 | sem_post(&t.sem_done); |
63a4f6b6 | 1380 | } |
1381 | ||
1382 | return NULL; | |
1383 | } | |
1384 | ||
1385 | static void init_spu_thread(void) | |
1386 | { | |
1387 | int ret; | |
1388 | ||
1389 | if (sysconf(_SC_NPROCESSORS_ONLN) <= 1) | |
1390 | return; | |
1391 | ||
1392 | worker = calloc(1, sizeof(*worker)); | |
1393 | if (worker == NULL) | |
1394 | return; | |
5514a050 | 1395 | ret = sem_init(&t.sem_avail, 0, 0); |
63a4f6b6 | 1396 | if (ret != 0) |
1397 | goto fail_sem_avail; | |
5514a050 | 1398 | ret = sem_init(&t.sem_done, 0, 0); |
63a4f6b6 | 1399 | if (ret != 0) |
1400 | goto fail_sem_done; | |
1401 | ||
5514a050 | 1402 | ret = pthread_create(&t.thread, NULL, spu_worker_thread, NULL); |
63a4f6b6 | 1403 | if (ret != 0) |
1404 | goto fail_thread; | |
1405 | ||
3bd31caf | 1406 | spu_config.iThreadAvail = 1; |
63a4f6b6 | 1407 | return; |
1408 | ||
1409 | fail_thread: | |
5514a050 | 1410 | sem_destroy(&t.sem_done); |
63a4f6b6 | 1411 | fail_sem_done: |
5514a050 | 1412 | sem_destroy(&t.sem_avail); |
63a4f6b6 | 1413 | fail_sem_avail: |
1414 | free(worker); | |
1415 | worker = NULL; | |
3bd31caf | 1416 | spu_config.iThreadAvail = 0; |
63a4f6b6 | 1417 | } |
1418 | ||
1419 | static void exit_spu_thread(void) | |
1420 | { | |
1421 | if (worker == NULL) | |
1422 | return; | |
1423 | worker->exit_thread = 1; | |
5514a050 | 1424 | sem_post(&t.sem_avail); |
1425 | pthread_join(t.thread, NULL); | |
1426 | sem_destroy(&t.sem_done); | |
1427 | sem_destroy(&t.sem_avail); | |
63a4f6b6 | 1428 | free(worker); |
1429 | worker = NULL; | |
1430 | } | |
1431 | ||
1432 | #else // if !THREAD_ENABLED | |
1433 | ||
1434 | static void init_spu_thread(void) | |
1435 | { | |
1436 | } | |
1437 | ||
1438 | static void exit_spu_thread(void) | |
1439 | { | |
1440 | } | |
1441 | ||
1442 | #endif | |
ef79bbde P |
1443 | |
1444 | // SPUINIT: this func will be called first by the main emu | |
1445 | long CALLBACK SPUinit(void) | |
1446 | { | |
5514a050 | 1447 | spu.spuMemC = calloc(1, 512 * 1024); |
ef79bbde P |
1448 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); |
1449 | InitADSR(); | |
1450 | ||
5514a050 | 1451 | spu.s_chan = calloc(MAXCHAN+1, sizeof(spu.s_chan[0])); // channel + 1 infos (1 is security for fmod handling) |
de4a0279 | 1452 | spu.SB = calloc(MAXCHAN, sizeof(spu.SB[0]) * SB_SIZE); |
5514a050 | 1453 | |
1454 | spu.spuAddr = 0; | |
3154bfab | 1455 | spu.decode_pos = 0; |
c4c66b22 | 1456 | spu.pSpuIrq = spu.spuMemC; |
ef79bbde | 1457 | |
ef79bbde P |
1458 | SetupStreams(); // prepare streaming |
1459 | ||
3154bfab | 1460 | if (spu_config.iVolume == 0) |
1461 | spu_config.iVolume = 768; // 1024 is 1.0 | |
1462 | ||
63a4f6b6 | 1463 | init_spu_thread(); |
1464 | ||
ef79bbde P |
1465 | return 0; |
1466 | } | |
1467 | ||
1468 | // SPUOPEN: called by main emu after init | |
1469 | long CALLBACK SPUopen(void) | |
1470 | { | |
3154bfab | 1471 | if (spu.bSPUIsOpen) return 0; // security for some stupid main emus |
ef79bbde P |
1472 | |
1473 | SetupSound(); // setup sound (before init!) | |
ef79bbde | 1474 | |
3154bfab | 1475 | spu.bSPUIsOpen = 1; |
ef79bbde P |
1476 | |
1477 | return PSE_SPU_ERR_SUCCESS; | |
1478 | } | |
1479 | ||
1480 | // SPUCLOSE: called before shutdown | |
1481 | long CALLBACK SPUclose(void) | |
1482 | { | |
3154bfab | 1483 | if (!spu.bSPUIsOpen) return 0; // some security |
ef79bbde | 1484 | |
3154bfab | 1485 | spu.bSPUIsOpen = 0; // no more open |
ef79bbde | 1486 | |
07c13dfd | 1487 | out_current->finish(); // no more sound handling |
ef79bbde P |
1488 | |
1489 | return 0; | |
1490 | } | |
1491 | ||
1492 | // SPUSHUTDOWN: called by main emu on final exit | |
1493 | long CALLBACK SPUshutdown(void) | |
1494 | { | |
1495 | SPUclose(); | |
ef79bbde | 1496 | |
63a4f6b6 | 1497 | exit_spu_thread(); |
1498 | ||
5514a050 | 1499 | free(spu.spuMemC); |
1500 | spu.spuMemC = NULL; | |
de4a0279 | 1501 | free(spu.SB); |
1502 | spu.SB = NULL; | |
5514a050 | 1503 | free(spu.s_chan); |
1504 | spu.s_chan = NULL; | |
1505 | ||
1506 | RemoveStreams(); // no more streaming | |
1507 | spu.bSpuInit=0; | |
1508 | ||
ef79bbde P |
1509 | return 0; |
1510 | } | |
1511 | ||
1512 | // SPUTEST: we don't test, we are always fine ;) | |
1513 | long CALLBACK SPUtest(void) | |
1514 | { | |
1515 | return 0; | |
1516 | } | |
1517 | ||
1518 | // SPUCONFIGURE: call config dialog | |
1519 | long CALLBACK SPUconfigure(void) | |
1520 | { | |
1521 | #ifdef _MACOSX | |
1522 | DoConfiguration(); | |
1523 | #else | |
ee849648 | 1524 | // StartCfgTool("CFG"); |
ef79bbde P |
1525 | #endif |
1526 | return 0; | |
1527 | } | |
1528 | ||
1529 | // SPUABOUT: show about window | |
1530 | void CALLBACK SPUabout(void) | |
1531 | { | |
1532 | #ifdef _MACOSX | |
1533 | DoAbout(); | |
1534 | #else | |
ee849648 | 1535 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1536 | #endif |
1537 | } | |
1538 | ||
1539 | // SETUP CALLBACKS | |
1540 | // this functions will be called once, | |
1541 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1542 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1543 | { | |
3154bfab | 1544 | spu.irqCallback = callback; |
ef79bbde P |
1545 | } |
1546 | ||
1547 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1548 | { | |
3154bfab | 1549 | spu.cddavCallback = CDDAVcallback; |
ef79bbde P |
1550 | } |
1551 | ||
2b30c129 | 1552 | void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int)) |
1553 | { | |
3154bfab | 1554 | spu.scheduleCallback = callback; |
2b30c129 | 1555 | } |
1556 | ||
ef79bbde | 1557 | // COMMON PLUGIN INFO FUNCS |
e906c010 | 1558 | /* |
ef79bbde P |
1559 | char * CALLBACK PSEgetLibName(void) |
1560 | { | |
1561 | return _(libraryName); | |
1562 | } | |
1563 | ||
1564 | unsigned long CALLBACK PSEgetLibType(void) | |
1565 | { | |
1566 | return PSE_LT_SPU; | |
1567 | } | |
1568 | ||
1569 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1570 | { | |
1571 | return (1 << 16) | (6 << 8); | |
1572 | } | |
1573 | ||
1574 | char * SPUgetLibInfos(void) | |
1575 | { | |
1576 | return _(libraryInfo); | |
1577 | } | |
e906c010 | 1578 | */ |
6d866bb7 | 1579 | |
90f1d26c | 1580 | // debug |
174c454a | 1581 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1582 | { |
174c454a | 1583 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1584 | |
5514a050 | 1585 | if (spu.s_chan == NULL) |
1586 | return; | |
1587 | ||
90f1d26c | 1588 | for(;ch<MAXCHAN;ch++) |
1589 | { | |
3154bfab | 1590 | if (!(spu.dwChannelOn & (1<<ch))) |
90f1d26c | 1591 | continue; |
5514a050 | 1592 | if (spu.s_chan[ch].bFMod == 2) |
90f1d26c | 1593 | fmod_chans |= 1 << ch; |
5514a050 | 1594 | if (spu.s_chan[ch].bNoise) |
90f1d26c | 1595 | noise_chans |= 1 << ch; |
5514a050 | 1596 | if((spu.spuCtrl&CTRL_IRQ) && spu.s_chan[ch].pCurr <= spu.pSpuIrq && spu.s_chan[ch].pLoop <= spu.pSpuIrq) |
174c454a | 1597 | irq_chans |= 1 << ch; |
90f1d26c | 1598 | } |
1599 | ||
3154bfab | 1600 | *chans_out = spu.dwChannelOn; |
1601 | *run_chans = ~spu.dwChannelOn & ~spu.dwChannelDead & irq_chans; | |
90f1d26c | 1602 | *fmod_chans_out = fmod_chans; |
1603 | *noise_chans_out = noise_chans; | |
1604 | } | |
1605 | ||
6d866bb7 | 1606 | // vim:shiftwidth=1:expandtab |