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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 | |
8 | Portions (C) GraÅžvydas "notaz" Ignotas, 2010-2011 | |
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 | ||
21 | #include "stdafx.h" | |
22 | ||
23 | #define _IN_SPU | |
24 | ||
25 | #include "externals.h" | |
3fc2a4c2 | 26 | #include "registers.h" |
ef79bbde P |
27 | #include "cfg.h" |
28 | #include "dsoundoss.h" | |
ef79bbde P |
29 | |
30 | #ifdef ENABLE_NLS | |
31 | #include <libintl.h> | |
32 | #include <locale.h> | |
33 | #define _(x) gettext(x) | |
34 | #define N_(x) (x) | |
35 | #else | |
36 | #define _(x) (x) | |
37 | #define N_(x) (x) | |
38 | #endif | |
39 | ||
a80ae4a0 | 40 | #ifdef __ARM_ARCH_7A__ |
1775933a | 41 | #define ssat32_to_16(v) \ |
42 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
43 | #else | |
44 | #define ssat32_to_16(v) do { \ | |
45 | if (v < -32768) v = -32768; \ | |
46 | else if (v > 32767) v = 32767; \ | |
47 | } while (0) | |
48 | #endif | |
49 | ||
6d866bb7 | 50 | /* |
ef79bbde P |
51 | #if defined (USEMACOSX) |
52 | static char * libraryName = N_("Mac OS X Sound"); | |
53 | #elif defined (USEALSA) | |
54 | static char * libraryName = N_("ALSA Sound"); | |
55 | #elif defined (USEOSS) | |
56 | static char * libraryName = N_("OSS Sound"); | |
57 | #elif defined (USESDL) | |
58 | static char * libraryName = N_("SDL Sound"); | |
59 | #elif defined (USEPULSEAUDIO) | |
60 | static char * libraryName = N_("PulseAudio Sound"); | |
61 | #else | |
62 | static char * libraryName = N_("NULL Sound"); | |
63 | #endif | |
64 | ||
65 | 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 | 66 | */ |
ef79bbde P |
67 | |
68 | // globals | |
69 | ||
70 | // psx buffer / addresses | |
71 | ||
72 | unsigned short regArea[10000]; | |
73 | unsigned short spuMem[256*1024]; | |
74 | unsigned char * spuMemC; | |
75 | unsigned char * pSpuIrq=0; | |
76 | unsigned char * pSpuBuffer; | |
77 | unsigned char * pMixIrq=0; | |
78 | ||
79 | // user settings | |
80 | ||
9e7a7352 | 81 | int iVolume=768; // 1024 is 1.0 |
ef79bbde P |
82 | int iXAPitch=1; |
83 | int iUseTimer=2; | |
84 | int iSPUIRQWait=1; | |
85 | int iDebugMode=0; | |
86 | int iRecordMode=0; | |
87 | int iUseReverb=2; | |
88 | int iUseInterpolation=2; | |
ef79bbde P |
89 | |
90 | // MAIN infos struct for each channel | |
91 | ||
92 | SPUCHAN s_chan[MAXCHAN+1]; // channel + 1 infos (1 is security for fmod handling) | |
93 | REVERBInfo rvb; | |
94 | ||
b1094d0e | 95 | unsigned int dwNoiseVal; // global noise generator |
96 | unsigned int dwNoiseCount; | |
ef79bbde P |
97 | int iSpuAsyncWait=0; |
98 | ||
99 | unsigned short spuCtrl=0; // some vars to store psx reg infos | |
100 | unsigned short spuStat=0; | |
101 | unsigned short spuIrq=0; | |
102 | unsigned long spuAddr=0xffffffff; // address into spu mem | |
103 | int bEndThread=0; // thread handlers | |
104 | int bThreadEnded=0; | |
105 | int bSpuInit=0; | |
106 | int bSPUIsOpen=0; | |
107 | ||
108 | static pthread_t thread = (pthread_t)-1; // thread id (linux) | |
109 | ||
174c454a | 110 | unsigned int dwNewChannel=0; // flags for faster testing, if new channel starts |
111 | unsigned int dwChannelOn=0; // not silent channels | |
112 | unsigned int dwPendingChanOff=0; | |
113 | unsigned int dwChannelDead=0; // silent+not useful channels | |
ef79bbde P |
114 | |
115 | void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq | |
116 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; | |
117 | ||
118 | // certain globals (were local before, but with the new timeproc I need em global) | |
119 | ||
6d866bb7 | 120 | static const int f[8][2] = { { 0, 0 }, |
ef79bbde P |
121 | { 60, 0 }, |
122 | { 115, -52 }, | |
123 | { 98, -55 }, | |
124 | { 122, -60 } }; | |
b17618c0 | 125 | int ChanBuf[NSSIZE+3]; |
126 | int SSumLR[(NSSIZE+3)*2]; | |
ef79bbde P |
127 | int iFMod[NSSIZE]; |
128 | int iCycle = 0; | |
129 | short * pS; | |
130 | ||
131 | int lastch=-1; // last channel processed on spu irq in timer mode | |
132 | static int lastns=0; // last ns pos | |
133 | static int iSecureStart=0; // secure start counter | |
134 | ||
135 | //////////////////////////////////////////////////////////////////////// | |
136 | // CODE AREA | |
137 | //////////////////////////////////////////////////////////////////////// | |
138 | ||
139 | // dirty inline func includes | |
140 | ||
141 | #include "reverb.c" | |
142 | #include "adsr.c" | |
143 | ||
144 | //////////////////////////////////////////////////////////////////////// | |
145 | // helpers for simple interpolation | |
146 | ||
147 | // | |
148 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
149 | // | |
150 | // instead of having n equal sample values in a row like: | |
151 | // ____ | |
152 | // |____ | |
153 | // | |
154 | // we compare the current delta change with the next delta change. | |
155 | // | |
156 | // if curr_delta is positive, | |
157 | // | |
158 | // - and next delta is smaller (or changing direction): | |
159 | // \. | |
160 | // -__ | |
161 | // | |
162 | // - and next delta significant (at least twice) bigger: | |
163 | // --_ | |
164 | // \. | |
165 | // | |
166 | // - and next delta is nearly same: | |
167 | // \. | |
168 | // \. | |
169 | // | |
170 | // | |
171 | // if curr_delta is negative, | |
172 | // | |
173 | // - and next delta is smaller (or changing direction): | |
174 | // _-- | |
175 | // / | |
176 | // | |
177 | // - and next delta significant (at least twice) bigger: | |
178 | // / | |
179 | // __- | |
180 | // | |
181 | // - and next delta is nearly same: | |
182 | // / | |
183 | // / | |
184 | // | |
185 | ||
186 | ||
187 | INLINE void InterpolateUp(int ch) | |
188 | { | |
189 | if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass | |
190 | { | |
191 | const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val | |
192 | const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) | |
193 | ||
194 | s_chan[ch].SB[32]=0; | |
195 | ||
196 | if(id1>0) // curr delta positive | |
197 | { | |
198 | if(id2<id1) | |
199 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
200 | else | |
201 | if(id2<(id1<<1)) | |
202 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
203 | else | |
204 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
205 | } | |
206 | else // curr delta negative | |
207 | { | |
208 | if(id2>id1) | |
209 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
210 | else | |
211 | if(id2>(id1<<1)) | |
212 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
213 | else | |
214 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
215 | } | |
216 | } | |
217 | else | |
218 | if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass | |
219 | { | |
220 | s_chan[ch].SB[32]=0; | |
221 | ||
222 | s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; | |
223 | if(s_chan[ch].sinc<=0x8000) | |
224 | s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); | |
225 | else s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
226 | } | |
227 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
228 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
229 | } | |
230 | ||
231 | // | |
232 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
233 | // | |
234 | ||
235 | INLINE void InterpolateDown(int ch) | |
236 | { | |
237 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? | |
238 | { | |
239 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight | |
240 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? | |
241 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight | |
242 | } | |
243 | } | |
244 | ||
245 | //////////////////////////////////////////////////////////////////////// | |
246 | // helpers for gauss interpolation | |
247 | ||
248 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) | |
249 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) | |
250 | ||
251 | #include "gauss_i.h" | |
252 | ||
253 | //////////////////////////////////////////////////////////////////////// | |
254 | ||
255 | #include "xa.c" | |
256 | ||
257 | //////////////////////////////////////////////////////////////////////// | |
258 | // START SOUND... called by main thread to setup a new sound on a channel | |
259 | //////////////////////////////////////////////////////////////////////// | |
260 | ||
261 | INLINE void StartSound(int ch) | |
262 | { | |
263 | StartADSR(ch); | |
264 | StartREVERB(ch); | |
265 | ||
b00afb77 | 266 | // fussy timing issues - do in VoiceOn |
267 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start | |
268 | //s_chan[ch].bStop=0; | |
269 | //s_chan[ch].bOn=1; | |
ef79bbde | 270 | |
381ea103 | 271 | s_chan[ch].SB[26]=0; // init mixing vars |
272 | s_chan[ch].SB[27]=0; | |
ef79bbde P |
273 | s_chan[ch].iSBPos=28; |
274 | ||
ef79bbde P |
275 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
276 | s_chan[ch].SB[30]=0; | |
277 | ||
278 | if(iUseInterpolation>=2) // gauss interpolation? | |
279 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding | |
280 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding | |
281 | ||
282 | dwNewChannel&=~(1<<ch); // clear new channel bit | |
283 | } | |
284 | ||
285 | //////////////////////////////////////////////////////////////////////// | |
286 | // ALL KIND OF HELPERS | |
287 | //////////////////////////////////////////////////////////////////////// | |
288 | ||
07a6dd2c | 289 | INLINE int FModChangeFrequency(int ch,int ns) |
ef79bbde | 290 | { |
7e44d49d | 291 | unsigned int NP=s_chan[ch].iRawPitch; |
07a6dd2c | 292 | int sinc; |
ef79bbde P |
293 | |
294 | NP=((32768L+iFMod[ns])*NP)/32768L; | |
295 | ||
296 | if(NP>0x3fff) NP=0x3fff; | |
297 | if(NP<0x1) NP=0x1; | |
298 | ||
7e44d49d | 299 | sinc=NP<<4; // calc frequency |
ef79bbde | 300 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
07a6dd2c | 301 | s_chan[ch].SB[32]=1; |
ef79bbde | 302 | iFMod[ns]=0; |
07a6dd2c | 303 | |
304 | return sinc; | |
ef79bbde P |
305 | } |
306 | ||
307 | //////////////////////////////////////////////////////////////////////// | |
308 | ||
ef79bbde P |
309 | INLINE void StoreInterpolationVal(int ch,int fa) |
310 | { | |
311 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
312 | s_chan[ch].SB[29]=fa; | |
313 | else | |
314 | { | |
381ea103 | 315 | ssat32_to_16(fa); |
ef79bbde P |
316 | |
317 | if(iUseInterpolation>=2) // gauss/cubic interpolation | |
318 | { | |
319 | int gpos = s_chan[ch].SB[28]; | |
320 | gval0 = fa; | |
321 | gpos = (gpos+1) & 3; | |
322 | s_chan[ch].SB[28] = gpos; | |
323 | } | |
324 | else | |
325 | if(iUseInterpolation==1) // simple interpolation | |
326 | { | |
327 | s_chan[ch].SB[28] = 0; | |
328 | s_chan[ch].SB[29] = s_chan[ch].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' | |
329 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; | |
330 | s_chan[ch].SB[31] = fa; | |
331 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation | |
332 | } | |
333 | else s_chan[ch].SB[29]=fa; // no interpolation | |
334 | } | |
335 | } | |
336 | ||
337 | //////////////////////////////////////////////////////////////////////// | |
338 | ||
339 | INLINE int iGetInterpolationVal(int ch) | |
340 | { | |
341 | int fa; | |
342 | ||
343 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; | |
344 | ||
345 | switch(iUseInterpolation) | |
346 | { | |
347 | //--------------------------------------------------// | |
348 | case 3: // cubic interpolation | |
349 | { | |
350 | long xd;int gpos; | |
351 | xd = ((s_chan[ch].spos) >> 1)+1; | |
352 | gpos = s_chan[ch].SB[28]; | |
353 | ||
354 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
355 | fa *= (xd - (2<<15)) / 6; | |
356 | fa >>= 15; | |
357 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
358 | fa *= (xd - (1<<15)) >> 1; | |
359 | fa >>= 15; | |
360 | fa += gval(1) - gval0; | |
361 | fa *= xd; | |
362 | fa >>= 15; | |
363 | fa = fa + gval0; | |
364 | ||
365 | } break; | |
366 | //--------------------------------------------------// | |
367 | case 2: // gauss interpolation | |
368 | { | |
369 | int vl, vr;int gpos; | |
370 | vl = (s_chan[ch].spos >> 6) & ~3; | |
371 | gpos = s_chan[ch].SB[28]; | |
372 | vr=(gauss[vl]*gval0)&~2047; | |
373 | vr+=(gauss[vl+1]*gval(1))&~2047; | |
374 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
375 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
376 | fa = vr>>11; | |
377 | } break; | |
378 | //--------------------------------------------------// | |
379 | case 1: // simple interpolation | |
380 | { | |
381 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? | |
382 | InterpolateUp(ch); // --> interpolate up | |
383 | else InterpolateDown(ch); // --> else down | |
384 | fa=s_chan[ch].SB[29]; | |
385 | } break; | |
386 | //--------------------------------------------------// | |
387 | default: // no interpolation | |
388 | { | |
389 | fa=s_chan[ch].SB[29]; | |
390 | } break; | |
391 | //--------------------------------------------------// | |
392 | } | |
393 | ||
394 | return fa; | |
395 | } | |
396 | ||
3fc2a4c2 | 397 | static void do_irq(void) |
398 | { | |
399 | if(!(spuStat & STAT_IRQ)) | |
400 | { | |
401 | spuStat |= STAT_IRQ; | |
402 | if(irqCallback) irqCallback(); | |
403 | } | |
404 | } | |
405 | ||
381ea103 | 406 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
407 | { | |
408 | int nSample; | |
409 | int fa, s_1, s_2, d, s; | |
410 | ||
411 | s_1 = dest[27]; | |
412 | s_2 = dest[26]; | |
413 | ||
414 | for (nSample = 0; nSample < 28; src++) | |
415 | { | |
416 | d = (int)*src; | |
417 | s = (int)(signed short)((d & 0x0f) << 12); | |
418 | ||
419 | fa = s >> shift_factor; | |
420 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
421 | s_2=s_1;s_1=fa; | |
422 | ||
423 | dest[nSample++] = fa; | |
424 | ||
425 | s = (int)(signed short)((d & 0xf0) << 8); | |
426 | fa = s >> shift_factor; | |
427 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
428 | s_2=s_1;s_1=fa; | |
429 | ||
430 | dest[nSample++] = fa; | |
431 | } | |
432 | } | |
433 | ||
e11ae5c5 | 434 | static int decode_block(int ch) |
435 | { | |
436 | unsigned char *start; | |
381ea103 | 437 | int predict_nr,shift_factor,flags; |
e11ae5c5 | 438 | int ret = 0; |
439 | ||
e11ae5c5 | 440 | start=s_chan[ch].pCurr; // set up the current pos |
174c454a | 441 | if(dwPendingChanOff&(1<<ch)) |
e11ae5c5 | 442 | { |
443 | dwChannelOn&=~(1<<ch); // -> turn everything off | |
3fc2a4c2 | 444 | dwPendingChanOff&=~(1<<ch); |
e11ae5c5 | 445 | s_chan[ch].bStop=1; |
446 | s_chan[ch].ADSRX.EnvelopeVol=0; | |
e11ae5c5 | 447 | } |
448 | ||
3fc2a4c2 | 449 | //////////////////////////////////////////// irq check |
450 | ||
451 | if(spuCtrl&CTRL_IRQ) | |
452 | { | |
453 | if(pSpuIrq == start) // irq address reached? | |
454 | { | |
455 | do_irq(); // -> call main emu | |
456 | ret = 1; | |
457 | } | |
458 | } | |
e11ae5c5 | 459 | |
381ea103 | 460 | predict_nr=(int)start[0]; |
e11ae5c5 | 461 | shift_factor=predict_nr&0xf; |
462 | predict_nr >>= 4; | |
e11ae5c5 | 463 | |
381ea103 | 464 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 465 | |
e11ae5c5 | 466 | //////////////////////////////////////////// flag handler |
467 | ||
381ea103 | 468 | flags=(int)start[1]; |
469 | if(flags&4) | |
470 | s_chan[ch].pLoop=start; // loop adress | |
e11ae5c5 | 471 | |
381ea103 | 472 | start+=16; |
e11ae5c5 | 473 | if(flags&1) // 1: stop/loop |
474 | { | |
3fc2a4c2 | 475 | if(!(flags&2)) |
476 | dwPendingChanOff|=1<<ch; | |
477 | ||
478 | start = s_chan[ch].pLoop; | |
e11ae5c5 | 479 | } |
480 | ||
174c454a | 481 | if (start - spuMemC >= 0x80000) { |
482 | // most likely wrong | |
483 | start = spuMemC; | |
484 | printf("ch%d oflow\n", ch); | |
485 | } | |
e11ae5c5 | 486 | |
381ea103 | 487 | s_chan[ch].pCurr = start; // store values for next cycle |
be1cb678 | 488 | s_chan[ch].bJump = flags & 1; |
e11ae5c5 | 489 | |
490 | return ret; | |
491 | } | |
492 | ||
07a6dd2c | 493 | // do block, but ignore sample data |
494 | static int skip_block(int ch) | |
495 | { | |
496 | unsigned char *start = s_chan[ch].pCurr; | |
497 | int flags = start[1]; | |
498 | int ret = 0; | |
499 | ||
07a6dd2c | 500 | if(start == pSpuIrq) |
501 | { | |
502 | do_irq(); | |
503 | ret = 1; | |
504 | } | |
505 | ||
381ea103 | 506 | if(flags & 4) |
be1cb678 | 507 | s_chan[ch].pLoop = start; |
07a6dd2c | 508 | |
509 | s_chan[ch].pCurr += 16; | |
510 | ||
511 | if(flags & 1) | |
512 | s_chan[ch].pCurr = s_chan[ch].pLoop; | |
513 | ||
be1cb678 | 514 | s_chan[ch].bJump = flags & 1; |
07a6dd2c | 515 | return ret; |
516 | } | |
517 | ||
518 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ | |
519 | static int do_samples_##name(int ch, int ns, int ns_to) \ | |
520 | { \ | |
521 | int sinc = s_chan[ch].sinc; \ | |
522 | int spos = s_chan[ch].spos; \ | |
381ea103 | 523 | int sbpos = s_chan[ch].iSBPos; \ |
524 | int *SB = s_chan[ch].SB; \ | |
07a6dd2c | 525 | int ret = -1; \ |
526 | int d, fa; \ | |
527 | interp_start; \ | |
528 | \ | |
529 | for (; ns < ns_to; ns++) \ | |
530 | { \ | |
531 | fmod_code; \ | |
532 | \ | |
533 | while (spos >= 0x10000) \ | |
534 | { \ | |
381ea103 | 535 | if(sbpos == 28) \ |
07a6dd2c | 536 | { \ |
381ea103 | 537 | sbpos = 0; \ |
07a6dd2c | 538 | d = decode_block(ch); \ |
539 | if(d && iSPUIRQWait) \ | |
540 | { \ | |
541 | ret = ns; \ | |
542 | goto out; \ | |
543 | } \ | |
544 | } \ | |
545 | \ | |
381ea103 | 546 | fa = SB[sbpos++]; \ |
07a6dd2c | 547 | interp1_code; \ |
548 | spos -= 0x10000; \ | |
549 | } \ | |
550 | \ | |
551 | interp2_code; \ | |
552 | spos += sinc; \ | |
553 | } \ | |
554 | \ | |
555 | out: \ | |
556 | s_chan[ch].sinc = sinc; \ | |
557 | s_chan[ch].spos = spos; \ | |
381ea103 | 558 | s_chan[ch].iSBPos = sbpos; \ |
07a6dd2c | 559 | interp_end; \ |
560 | \ | |
561 | return ret; \ | |
562 | } | |
563 | ||
564 | #define fmod_recv_check \ | |
565 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ | |
566 | sinc = FModChangeFrequency(ch,ns) | |
567 | ||
568 | make_do_samples(default, fmod_recv_check, , | |
569 | StoreInterpolationVal(ch, fa), | |
570 | ChanBuf[ns] = iGetInterpolationVal(ch), ) | |
571 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) | |
572 | ||
573 | #define simple_interp_store \ | |
574 | s_chan[ch].SB[28] = 0; \ | |
575 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ | |
576 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ | |
577 | s_chan[ch].SB[31] = fa; \ | |
578 | s_chan[ch].SB[32] = 1 | |
579 | ||
580 | #define simple_interp_get \ | |
581 | if(sinc<0x10000) /* -> upsampling? */ \ | |
582 | InterpolateUp(ch); /* --> interpolate up */ \ | |
583 | else InterpolateDown(ch); /* --> else down */ \ | |
584 | ChanBuf[ns] = s_chan[ch].SB[29] | |
585 | ||
586 | make_do_samples(simple, , , | |
587 | simple_interp_store, simple_interp_get, ) | |
588 | ||
589 | static int do_samples_noise(int ch, int ns, int ns_to) | |
590 | { | |
b1094d0e | 591 | int level, shift, bit; |
592 | ||
07a6dd2c | 593 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); |
594 | while (s_chan[ch].spos >= 28*0x10000) | |
595 | { | |
596 | skip_block(ch); | |
597 | s_chan[ch].spos -= 28*0x10000; | |
598 | } | |
599 | ||
b1094d0e | 600 | // modified from DrHell/shalma, no fraction |
601 | level = (spuCtrl >> 10) & 0x0f; | |
602 | level = 0x8000 >> level; | |
603 | ||
07a6dd2c | 604 | for (; ns < ns_to; ns++) |
b1094d0e | 605 | { |
606 | dwNoiseCount += 2; | |
607 | if (dwNoiseCount >= level) | |
608 | { | |
609 | dwNoiseCount -= level; | |
610 | shift = (dwNoiseVal >> 10) & 0x1f; | |
611 | bit = (0x69696969 >> shift) & 1; | |
612 | if (dwNoiseVal & 0x8000) | |
613 | bit ^= 1; | |
614 | dwNoiseVal = (dwNoiseVal << 1) | bit; | |
615 | } | |
616 | ||
617 | ChanBuf[ns] = (signed short)dwNoiseVal; | |
618 | } | |
07a6dd2c | 619 | |
620 | return -1; | |
621 | } | |
622 | ||
a80ae4a0 | 623 | #ifdef __ARM_ARCH_7A__ |
b17618c0 | 624 | // asm code |
625 | extern void mix_chan(int start, int count, int lv, int rv); | |
626 | extern void mix_chan_rvb(int start, int count, int lv, int rv); | |
627 | #else | |
628 | static void mix_chan(int start, int count, int lv, int rv) | |
629 | { | |
630 | int *dst = SSumLR + start * 2; | |
631 | const int *src = ChanBuf + start; | |
632 | int l, r; | |
633 | ||
634 | while (count--) | |
635 | { | |
636 | int sval = *src++; | |
637 | ||
638 | l = (sval * lv) >> 14; | |
639 | r = (sval * rv) >> 14; | |
640 | *dst++ += l; | |
641 | *dst++ += r; | |
642 | } | |
643 | } | |
644 | ||
645 | static void mix_chan_rvb(int start, int count, int lv, int rv) | |
646 | { | |
647 | int *dst = SSumLR + start * 2; | |
648 | int *drvb = sRVBStart + start * 2; | |
649 | const int *src = ChanBuf + start; | |
650 | int l, r; | |
651 | ||
652 | while (count--) | |
653 | { | |
654 | int sval = *src++; | |
655 | ||
656 | l = (sval * lv) >> 14; | |
657 | r = (sval * rv) >> 14; | |
658 | *dst++ += l; | |
659 | *dst++ += r; | |
660 | *drvb++ += l; | |
661 | *drvb++ += r; | |
662 | } | |
663 | } | |
664 | #endif | |
665 | ||
ef79bbde P |
666 | //////////////////////////////////////////////////////////////////////// |
667 | // MAIN SPU FUNCTION | |
668 | // here is the main job handler... thread, timer or direct func call | |
669 | // basically the whole sound processing is done in this fat func! | |
670 | //////////////////////////////////////////////////////////////////////// | |
671 | ||
672 | // 5 ms waiting phase, if buffer is full and no new sound has to get started | |
673 | // .. can be made smaller (smallest val: 1 ms), but bigger waits give | |
674 | // better performance | |
675 | ||
676 | #define PAUSE_W 5 | |
677 | #define PAUSE_L 5000 | |
678 | ||
679 | //////////////////////////////////////////////////////////////////////// | |
680 | ||
681 | static void *MAINThread(void *arg) | |
682 | { | |
9e7a7352 | 683 | int volmult = iVolume; |
07a6dd2c | 684 | int ns,ns_from,ns_to; |
174c454a | 685 | int ch,d,silentch; |
ef79bbde P |
686 | int bIRQReturn=0; |
687 | ||
688 | while(!bEndThread) // until we are shutting down | |
689 | { | |
690 | // ok, at the beginning we are looking if there is | |
691 | // enuff free place in the dsound/oss buffer to | |
692 | // fill in new data, or if there is a new channel to start. | |
693 | // if not, we wait (thread) or return (timer/spuasync) | |
694 | // until enuff free place is available/a new channel gets | |
695 | // started | |
696 | ||
697 | if(dwNewChannel) // new channel should start immedately? | |
698 | { // (at least one bit 0 ... MAXCHANNEL is set?) | |
699 | iSecureStart++; // -> set iSecure | |
700 | if(iSecureStart>5) iSecureStart=0; // (if it is set 5 times - that means on 5 tries a new samples has been started - in a row, we will reset it, to give the sound update a chance) | |
701 | } | |
702 | else iSecureStart=0; // 0: no new channel should start | |
703 | ||
704 | while(!iSecureStart && !bEndThread && // no new start? no thread end? | |
705 | (SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer? | |
706 | { | |
707 | iSecureStart=0; // reset secure | |
708 | ||
709 | if(iUseTimer) return 0; // linux no-thread mode? bye | |
710 | usleep(PAUSE_L); // else sleep for x ms (linux) | |
711 | ||
712 | if(dwNewChannel) iSecureStart=1; // if a new channel kicks in (or, of course, sound buffer runs low), we will leave the loop | |
713 | } | |
714 | ||
715 | //--------------------------------------------------// continue from irq handling in timer mode? | |
716 | ||
8680e822 | 717 | ns_from=0; |
718 | ns_to=NSSIZE; | |
719 | ch=0; | |
ef79bbde P |
720 | if(lastch>=0) // will be -1 if no continue is pending |
721 | { | |
e11ae5c5 | 722 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
ef79bbde P |
723 | } |
724 | ||
174c454a | 725 | silentch=~(dwChannelOn|dwNewChannel); |
726 | ||
ef79bbde P |
727 | //--------------------------------------------------// |
728 | //- main channel loop -// | |
729 | //--------------------------------------------------// | |
730 | { | |
8680e822 | 731 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
ef79bbde | 732 | { |
6d866bb7 | 733 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
734 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next | |
ef79bbde | 735 | |
07a6dd2c | 736 | if(s_chan[ch].bNoise) |
737 | d=do_samples_noise(ch, ns_from, ns_to); | |
738 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) | |
739 | d=do_samples_noint(ch, ns_from, ns_to); | |
740 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) | |
741 | d=do_samples_simple(ch, ns_from, ns_to); | |
742 | else | |
743 | d=do_samples_default(ch, ns_from, ns_to); | |
744 | if(d>=0) | |
ef79bbde | 745 | { |
07a6dd2c | 746 | bIRQReturn=1; |
747 | lastch=ch; | |
748 | lastns=ns_to=d; | |
587fa7de | 749 | if(d==0) |
750 | break; | |
1ab7621a | 751 | } |
ef79bbde | 752 | |
1ab7621a | 753 | MixADSR(ch, ns_from, ns_to); |
754 | ||
755 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
756 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); | |
b17618c0 | 757 | else if(s_chan[ch].bRVBActive) |
758 | mix_chan_rvb(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); | |
1775933a | 759 | else |
b17618c0 | 760 | mix_chan(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
ef79bbde P |
761 | } |
762 | } | |
763 | ||
78c60846 | 764 | // advance "stopped" channels that can cause irqs |
765 | // (all chans are always playing on the real thing..) | |
766 | if(!bIRQReturn && (spuCtrl&CTRL_IRQ)) | |
767 | for(ch=0;ch<MAXCHAN;ch++) | |
768 | { | |
174c454a | 769 | if(!(silentch&(1<<ch))) continue; // already handled |
770 | if(dwChannelDead&(1<<ch)) continue; | |
78c60846 | 771 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) |
772 | continue; | |
773 | ||
78c60846 | 774 | s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; |
775 | while(s_chan[ch].spos >= 28 * 0x10000) | |
776 | { | |
7e44d49d | 777 | unsigned char *start = s_chan[ch].pCurr; |
78c60846 | 778 | |
a3ed1915 | 779 | // no need for bIRQReturn since the channel is silent |
780 | iSpuAsyncWait |= skip_block(ch); | |
07a6dd2c | 781 | if(start == s_chan[ch].pCurr) |
78c60846 | 782 | { |
783 | // looping on self | |
7e44d49d | 784 | dwChannelDead |= 1<<ch; |
785 | s_chan[ch].spos = 0; | |
78c60846 | 786 | break; |
787 | } | |
788 | ||
78c60846 | 789 | s_chan[ch].spos -= 28 * 0x10000; |
790 | } | |
791 | } | |
792 | ||
e11ae5c5 | 793 | if(bIRQReturn && iSPUIRQWait) // special return for "spu irq - wait for cpu action" |
8680e822 | 794 | { |
e11ae5c5 | 795 | iSpuAsyncWait=1; |
8680e822 | 796 | bIRQReturn=0; |
797 | if(iUseTimer!=2) | |
798 | { | |
799 | DWORD dwWatchTime=timeGetTime_spu()+2500; | |
800 | ||
801 | while(iSpuAsyncWait && !bEndThread && | |
802 | timeGetTime_spu()<dwWatchTime) | |
803 | usleep(1000L); | |
804 | continue; | |
805 | } | |
806 | else | |
807 | { | |
808 | return 0; | |
809 | } | |
810 | } | |
811 | ||
812 | ||
ef79bbde P |
813 | //---------------------------------------------------// |
814 | //- here we have another 1 ms of sound data | |
815 | //---------------------------------------------------// | |
816 | // mix XA infos (if any) | |
817 | ||
818 | MixXA(); | |
819 | ||
820 | /////////////////////////////////////////////////////// | |
821 | // mix all channels (including reverb) into one buffer | |
822 | ||
1775933a | 823 | if(iUseReverb) |
824 | REVERBDo(); | |
825 | ||
826 | if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) | |
827 | { | |
828 | memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); | |
829 | pS += NSSIZE*2; | |
830 | } | |
831 | else | |
97ea4077 | 832 | for (ns = 0; ns < NSSIZE*2; ) |
ef79bbde | 833 | { |
9e7a7352 | 834 | d = SSumLR[ns]; SSumLR[ns] = 0; |
835 | d = d * volmult >> 10; | |
1775933a | 836 | ssat32_to_16(d); |
ef79bbde | 837 | *pS++ = d; |
97ea4077 | 838 | ns++; |
ef79bbde | 839 | |
9e7a7352 | 840 | d = SSumLR[ns]; SSumLR[ns] = 0; |
841 | d = d * volmult >> 10; | |
1775933a | 842 | ssat32_to_16(d); |
ef79bbde | 843 | *pS++ = d; |
97ea4077 | 844 | ns++; |
ef79bbde P |
845 | } |
846 | ||
847 | ////////////////////////////////////////////////////// | |
848 | // special irq handling in the decode buffers (0x0000-0x1000) | |
849 | // we know: | |
850 | // the decode buffers are located in spu memory in the following way: | |
851 | // 0x0000-0x03ff CD audio left | |
852 | // 0x0400-0x07ff CD audio right | |
853 | // 0x0800-0x0bff Voice 1 | |
854 | // 0x0c00-0x0fff Voice 3 | |
855 | // and decoded data is 16 bit for one sample | |
856 | // we assume: | |
857 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
858 | // play positions will move on and wrap after 0x400 bytes. | |
859 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
860 | // increase this pointer on each sample by 2 bytes. If this pointer | |
861 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
862 | // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here | |
863 | // in some of Peops timer modes. So: we ignore this option here (for now). | |
864 | ||
3fc2a4c2 | 865 | if(pMixIrq) |
ef79bbde P |
866 | { |
867 | for(ns=0;ns<NSSIZE;ns++) | |
868 | { | |
869 | if((spuCtrl&0x40) && pSpuIrq && pSpuIrq<spuMemC+0x1000) | |
870 | { | |
871 | for(ch=0;ch<4;ch++) | |
872 | { | |
873 | if(pSpuIrq>=pMixIrq+(ch*0x400) && pSpuIrq<pMixIrq+(ch*0x400)+2) | |
3fc2a4c2 | 874 | do_irq(); |
ef79bbde P |
875 | } |
876 | } | |
877 | pMixIrq+=2;if(pMixIrq>spuMemC+0x3ff) pMixIrq=spuMemC; | |
878 | } | |
879 | } | |
880 | ||
881 | InitREVERB(); | |
882 | ||
883 | // feed the sound | |
884 | // wanna have around 1/60 sec (16.666 ms) updates | |
381ea103 | 885 | if (iCycle++ > 16/FRAG_MSECS) |
ef79bbde P |
886 | { |
887 | SoundFeedStreamData((unsigned char *)pSpuBuffer, | |
888 | ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); | |
889 | pS = (short *)pSpuBuffer; | |
890 | iCycle = 0; | |
891 | } | |
892 | } | |
893 | ||
894 | // end of big main loop... | |
895 | ||
896 | bThreadEnded = 1; | |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
901 | // SPU ASYNC... even newer epsxe func | |
902 | // 1 time every 'cycle' cycles... harhar | |
903 | ||
904 | void CALLBACK SPUasync(unsigned long cycle) | |
905 | { | |
906 | if(iSpuAsyncWait) | |
907 | { | |
908 | iSpuAsyncWait++; | |
381ea103 | 909 | if(iSpuAsyncWait<=16/FRAG_MSECS) return; |
ef79bbde P |
910 | iSpuAsyncWait=0; |
911 | } | |
912 | ||
913 | if(iUseTimer==2) // special mode, only used in Linux by this spu (or if you enable the experimental Windows mode) | |
914 | { | |
915 | if(!bSpuInit) return; // -> no init, no call | |
916 | ||
917 | MAINThread(0); // -> linux high-compat mode | |
17ed0d69 | 918 | |
919 | // abuse iSpuAsyncWait mechanism to reduce calls to above function | |
920 | // to make it do larger chunks | |
921 | // note: doing it less often than once per frame causes skips | |
922 | iSpuAsyncWait=1; | |
ef79bbde P |
923 | } |
924 | } | |
925 | ||
926 | // SPU UPDATE... new epsxe func | |
927 | // 1 time every 32 hsync lines | |
928 | // (312/32)x50 in pal | |
929 | // (262/32)x60 in ntsc | |
930 | ||
931 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
932 | // leave that func in the linux port, until epsxe linux is using | |
933 | // the async function as well | |
934 | ||
935 | void CALLBACK SPUupdate(void) | |
936 | { | |
937 | SPUasync(0); | |
938 | } | |
939 | ||
940 | // XA AUDIO | |
941 | ||
942 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
943 | { | |
944 | if(!xap) return; | |
945 | if(!xap->freq) return; // no xa freq ? bye | |
946 | ||
947 | FeedXA(xap); // call main XA feeder | |
948 | } | |
949 | ||
950 | // CDDA AUDIO | |
951 | void CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) | |
952 | { | |
953 | if (!pcm) return; | |
954 | if (nbytes<=0) return; | |
955 | ||
956 | FeedCDDA((unsigned char *)pcm, nbytes); | |
957 | } | |
958 | ||
959 | // SETUPTIMER: init of certain buffers and threads/timers | |
960 | void SetupTimer(void) | |
961 | { | |
97ea4077 | 962 | memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers |
ef79bbde P |
963 | memset(iFMod,0,NSSIZE*sizeof(int)); |
964 | pS=(short *)pSpuBuffer; // setup soundbuffer pointer | |
965 | ||
966 | bEndThread=0; // init thread vars | |
967 | bThreadEnded=0; | |
968 | bSpuInit=1; // flag: we are inited | |
969 | ||
970 | if(!iUseTimer) // linux: use thread | |
971 | { | |
972 | pthread_create(&thread, NULL, MAINThread, NULL); | |
973 | } | |
974 | } | |
975 | ||
976 | // REMOVETIMER: kill threads/timers | |
977 | void RemoveTimer(void) | |
978 | { | |
979 | bEndThread=1; // raise flag to end thread | |
980 | ||
981 | if(!iUseTimer) // linux tread? | |
982 | { | |
983 | int i=0; | |
984 | while(!bThreadEnded && i<2000) {usleep(1000L);i++;} // -> wait until thread has ended | |
985 | if(thread!=(pthread_t)-1) {pthread_cancel(thread);thread=(pthread_t)-1;} // -> cancel thread anyway | |
986 | } | |
987 | ||
988 | bThreadEnded=0; // no more spu is running | |
989 | bSpuInit=0; | |
990 | } | |
991 | ||
992 | // SETUPSTREAMS: init most of the spu buffers | |
993 | void SetupStreams(void) | |
994 | { | |
995 | int i; | |
996 | ||
997 | pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer | |
998 | ||
999 | if(iUseReverb==1) i=88200*2; | |
1000 | else i=NSSIZE*2; | |
1001 | ||
1002 | sRVBStart = (int *)malloc(i*4); // alloc reverb buffer | |
1003 | memset(sRVBStart,0,i*4); | |
1004 | sRVBEnd = sRVBStart + i; | |
1005 | sRVBPlay = sRVBStart; | |
1006 | ||
1007 | XAStart = // alloc xa buffer | |
1008 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); | |
1009 | XAEnd = XAStart + 44100; | |
1010 | XAPlay = XAStart; | |
1011 | XAFeed = XAStart; | |
1012 | ||
1013 | CDDAStart = // alloc cdda buffer | |
1014 | (uint32_t *)malloc(16384 * sizeof(uint32_t)); | |
1015 | CDDAEnd = CDDAStart + 16384; | |
1016 | CDDAPlay = CDDAStart; | |
b8e744ce | 1017 | CDDAFeed = CDDAStart; |
ef79bbde P |
1018 | |
1019 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
1020 | { | |
1021 | // we don't use mutex sync... not needed, would only | |
1022 | // slow us down: | |
1023 | // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); | |
6d866bb7 | 1024 | s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
ef79bbde | 1025 | s_chan[i].pLoop=spuMemC; |
ef79bbde P |
1026 | s_chan[i].pCurr=spuMemC; |
1027 | } | |
1028 | ||
1029 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address | |
1030 | } | |
1031 | ||
1032 | // REMOVESTREAMS: free most buffer | |
1033 | void RemoveStreams(void) | |
1034 | { | |
1035 | free(pSpuBuffer); // free mixing buffer | |
1036 | pSpuBuffer = NULL; | |
1037 | free(sRVBStart); // free reverb buffer | |
1038 | sRVBStart = NULL; | |
1039 | free(XAStart); // free XA buffer | |
1040 | XAStart = NULL; | |
1041 | free(CDDAStart); // free CDDA buffer | |
1042 | CDDAStart = NULL; | |
1043 | } | |
1044 | ||
1045 | // INIT/EXIT STUFF | |
1046 | ||
1047 | // SPUINIT: this func will be called first by the main emu | |
1048 | long CALLBACK SPUinit(void) | |
1049 | { | |
1050 | spuMemC = (unsigned char *)spuMem; // just small setup | |
1051 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); | |
1052 | InitADSR(); | |
1053 | ||
ef79bbde P |
1054 | spuIrq = 0; |
1055 | spuAddr = 0xffffffff; | |
1056 | bEndThread = 0; | |
1057 | bThreadEnded = 0; | |
1058 | spuMemC = (unsigned char *)spuMem; | |
1059 | pMixIrq = 0; | |
1060 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); | |
1061 | pSpuIrq = 0; | |
cdb31c95 | 1062 | //iSPUIRQWait = 0; |
ef79bbde P |
1063 | lastch = -1; |
1064 | ||
d7296e10 | 1065 | //ReadConfigSPU(); // read user stuff |
ef79bbde P |
1066 | SetupStreams(); // prepare streaming |
1067 | ||
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | // SPUOPEN: called by main emu after init | |
1072 | long CALLBACK SPUopen(void) | |
1073 | { | |
1074 | if (bSPUIsOpen) return 0; // security for some stupid main emus | |
1075 | ||
1076 | SetupSound(); // setup sound (before init!) | |
1077 | SetupTimer(); // timer for feeding data | |
1078 | ||
1079 | bSPUIsOpen = 1; | |
1080 | ||
1081 | return PSE_SPU_ERR_SUCCESS; | |
1082 | } | |
1083 | ||
1084 | // SPUCLOSE: called before shutdown | |
1085 | long CALLBACK SPUclose(void) | |
1086 | { | |
1087 | if (!bSPUIsOpen) return 0; // some security | |
1088 | ||
1089 | bSPUIsOpen = 0; // no more open | |
1090 | ||
1091 | RemoveTimer(); // no more feeding | |
1092 | RemoveSound(); // no more sound handling | |
1093 | ||
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | // SPUSHUTDOWN: called by main emu on final exit | |
1098 | long CALLBACK SPUshutdown(void) | |
1099 | { | |
1100 | SPUclose(); | |
1101 | RemoveStreams(); // no more streaming | |
1102 | ||
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | // SPUTEST: we don't test, we are always fine ;) | |
1107 | long CALLBACK SPUtest(void) | |
1108 | { | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | // SPUCONFIGURE: call config dialog | |
1113 | long CALLBACK SPUconfigure(void) | |
1114 | { | |
1115 | #ifdef _MACOSX | |
1116 | DoConfiguration(); | |
1117 | #else | |
ee849648 | 1118 | // StartCfgTool("CFG"); |
ef79bbde P |
1119 | #endif |
1120 | return 0; | |
1121 | } | |
1122 | ||
1123 | // SPUABOUT: show about window | |
1124 | void CALLBACK SPUabout(void) | |
1125 | { | |
1126 | #ifdef _MACOSX | |
1127 | DoAbout(); | |
1128 | #else | |
ee849648 | 1129 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1130 | #endif |
1131 | } | |
1132 | ||
1133 | // SETUP CALLBACKS | |
1134 | // this functions will be called once, | |
1135 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1136 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1137 | { | |
1138 | irqCallback = callback; | |
1139 | } | |
1140 | ||
1141 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1142 | { | |
1143 | cddavCallback = CDDAVcallback; | |
1144 | } | |
1145 | ||
1146 | // COMMON PLUGIN INFO FUNCS | |
e906c010 | 1147 | /* |
ef79bbde P |
1148 | char * CALLBACK PSEgetLibName(void) |
1149 | { | |
1150 | return _(libraryName); | |
1151 | } | |
1152 | ||
1153 | unsigned long CALLBACK PSEgetLibType(void) | |
1154 | { | |
1155 | return PSE_LT_SPU; | |
1156 | } | |
1157 | ||
1158 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1159 | { | |
1160 | return (1 << 16) | (6 << 8); | |
1161 | } | |
1162 | ||
1163 | char * SPUgetLibInfos(void) | |
1164 | { | |
1165 | return _(libraryInfo); | |
1166 | } | |
e906c010 | 1167 | */ |
6d866bb7 | 1168 | |
90f1d26c | 1169 | // debug |
174c454a | 1170 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1171 | { |
174c454a | 1172 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1173 | |
1174 | for(;ch<MAXCHAN;ch++) | |
1175 | { | |
1176 | if (!(dwChannelOn & (1<<ch))) | |
1177 | continue; | |
1178 | if (s_chan[ch].bFMod == 2) | |
1179 | fmod_chans |= 1 << ch; | |
1180 | if (s_chan[ch].bNoise) | |
1181 | noise_chans |= 1 << ch; | |
174c454a | 1182 | if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq) |
1183 | irq_chans |= 1 << ch; | |
90f1d26c | 1184 | } |
1185 | ||
1186 | *chans_out = dwChannelOn; | |
174c454a | 1187 | *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans; |
90f1d26c | 1188 | *fmod_chans_out = fmod_chans; |
1189 | *noise_chans_out = noise_chans; | |
1190 | } | |
1191 | ||
6d866bb7 | 1192 | // vim:shiftwidth=1:expandtab |