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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" | |
29 | #include "regs.h" | |
30 | ||
31 | #ifdef ENABLE_NLS | |
32 | #include <libintl.h> | |
33 | #include <locale.h> | |
34 | #define _(x) gettext(x) | |
35 | #define N_(x) (x) | |
36 | #else | |
37 | #define _(x) (x) | |
38 | #define N_(x) (x) | |
39 | #endif | |
40 | ||
1775933a | 41 | #ifdef __arm__ |
42 | #define ssat32_to_16(v) \ | |
43 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
44 | #else | |
45 | #define ssat32_to_16(v) do { \ | |
46 | if (v < -32768) v = -32768; \ | |
47 | else if (v > 32767) v = 32767; \ | |
48 | } while (0) | |
49 | #endif | |
50 | ||
6d866bb7 | 51 | /* |
ef79bbde P |
52 | #if defined (USEMACOSX) |
53 | static char * libraryName = N_("Mac OS X Sound"); | |
54 | #elif defined (USEALSA) | |
55 | static char * libraryName = N_("ALSA Sound"); | |
56 | #elif defined (USEOSS) | |
57 | static char * libraryName = N_("OSS Sound"); | |
58 | #elif defined (USESDL) | |
59 | static char * libraryName = N_("SDL Sound"); | |
60 | #elif defined (USEPULSEAUDIO) | |
61 | static char * libraryName = N_("PulseAudio Sound"); | |
62 | #else | |
63 | static char * libraryName = N_("NULL Sound"); | |
64 | #endif | |
65 | ||
66 | 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 | 67 | */ |
ef79bbde P |
68 | |
69 | // globals | |
70 | ||
71 | // psx buffer / addresses | |
72 | ||
73 | unsigned short regArea[10000]; | |
74 | unsigned short spuMem[256*1024]; | |
75 | unsigned char * spuMemC; | |
76 | unsigned char * pSpuIrq=0; | |
77 | unsigned char * pSpuBuffer; | |
78 | unsigned char * pMixIrq=0; | |
79 | ||
80 | // user settings | |
81 | ||
9e7a7352 | 82 | int iVolume=768; // 1024 is 1.0 |
ef79bbde P |
83 | int iXAPitch=1; |
84 | int iUseTimer=2; | |
85 | int iSPUIRQWait=1; | |
86 | int iDebugMode=0; | |
87 | int iRecordMode=0; | |
88 | int iUseReverb=2; | |
89 | int iUseInterpolation=2; | |
ef79bbde P |
90 | |
91 | // MAIN infos struct for each channel | |
92 | ||
93 | SPUCHAN s_chan[MAXCHAN+1]; // channel + 1 infos (1 is security for fmod handling) | |
94 | REVERBInfo rvb; | |
95 | ||
b1094d0e | 96 | unsigned int dwNoiseVal; // global noise generator |
97 | unsigned int dwNoiseCount; | |
ef79bbde P |
98 | int iSpuAsyncWait=0; |
99 | ||
100 | unsigned short spuCtrl=0; // some vars to store psx reg infos | |
101 | unsigned short spuStat=0; | |
102 | unsigned short spuIrq=0; | |
103 | unsigned long spuAddr=0xffffffff; // address into spu mem | |
104 | int bEndThread=0; // thread handlers | |
105 | int bThreadEnded=0; | |
106 | int bSpuInit=0; | |
107 | int bSPUIsOpen=0; | |
108 | ||
109 | static pthread_t thread = (pthread_t)-1; // thread id (linux) | |
110 | ||
174c454a | 111 | unsigned int dwNewChannel=0; // flags for faster testing, if new channel starts |
112 | unsigned int dwChannelOn=0; // not silent channels | |
113 | unsigned int dwPendingChanOff=0; | |
114 | unsigned int dwChannelDead=0; // silent+not useful channels | |
ef79bbde P |
115 | |
116 | void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq | |
117 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; | |
118 | ||
119 | // certain globals (were local before, but with the new timeproc I need em global) | |
120 | ||
6d866bb7 | 121 | static const int f[8][2] = { { 0, 0 }, |
ef79bbde P |
122 | { 60, 0 }, |
123 | { 115, -52 }, | |
124 | { 98, -55 }, | |
125 | { 122, -60 } }; | |
b17618c0 | 126 | int ChanBuf[NSSIZE+3]; |
127 | int SSumLR[(NSSIZE+3)*2]; | |
ef79bbde P |
128 | int iFMod[NSSIZE]; |
129 | int iCycle = 0; | |
130 | short * pS; | |
131 | ||
132 | int lastch=-1; // last channel processed on spu irq in timer mode | |
133 | static int lastns=0; // last ns pos | |
134 | static int iSecureStart=0; // secure start counter | |
135 | ||
136 | //////////////////////////////////////////////////////////////////////// | |
137 | // CODE AREA | |
138 | //////////////////////////////////////////////////////////////////////// | |
139 | ||
140 | // dirty inline func includes | |
141 | ||
142 | #include "reverb.c" | |
143 | #include "adsr.c" | |
144 | ||
145 | //////////////////////////////////////////////////////////////////////// | |
146 | // helpers for simple interpolation | |
147 | ||
148 | // | |
149 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
150 | // | |
151 | // instead of having n equal sample values in a row like: | |
152 | // ____ | |
153 | // |____ | |
154 | // | |
155 | // we compare the current delta change with the next delta change. | |
156 | // | |
157 | // if curr_delta is positive, | |
158 | // | |
159 | // - and next delta is smaller (or changing direction): | |
160 | // \. | |
161 | // -__ | |
162 | // | |
163 | // - and next delta significant (at least twice) bigger: | |
164 | // --_ | |
165 | // \. | |
166 | // | |
167 | // - and next delta is nearly same: | |
168 | // \. | |
169 | // \. | |
170 | // | |
171 | // | |
172 | // if curr_delta is negative, | |
173 | // | |
174 | // - and next delta is smaller (or changing direction): | |
175 | // _-- | |
176 | // / | |
177 | // | |
178 | // - and next delta significant (at least twice) bigger: | |
179 | // / | |
180 | // __- | |
181 | // | |
182 | // - and next delta is nearly same: | |
183 | // / | |
184 | // / | |
185 | // | |
186 | ||
187 | ||
188 | INLINE void InterpolateUp(int ch) | |
189 | { | |
190 | if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass | |
191 | { | |
192 | const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val | |
193 | const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) | |
194 | ||
195 | s_chan[ch].SB[32]=0; | |
196 | ||
197 | if(id1>0) // curr delta positive | |
198 | { | |
199 | if(id2<id1) | |
200 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
201 | else | |
202 | if(id2<(id1<<1)) | |
203 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
204 | else | |
205 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
206 | } | |
207 | else // curr delta negative | |
208 | { | |
209 | if(id2>id1) | |
210 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
211 | else | |
212 | if(id2>(id1<<1)) | |
213 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
214 | else | |
215 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
216 | } | |
217 | } | |
218 | else | |
219 | if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass | |
220 | { | |
221 | s_chan[ch].SB[32]=0; | |
222 | ||
223 | s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; | |
224 | if(s_chan[ch].sinc<=0x8000) | |
225 | s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); | |
226 | else s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
227 | } | |
228 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
229 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
230 | } | |
231 | ||
232 | // | |
233 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
234 | // | |
235 | ||
236 | INLINE void InterpolateDown(int ch) | |
237 | { | |
238 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? | |
239 | { | |
240 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight | |
241 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? | |
242 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight | |
243 | } | |
244 | } | |
245 | ||
246 | //////////////////////////////////////////////////////////////////////// | |
247 | // helpers for gauss interpolation | |
248 | ||
249 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) | |
250 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) | |
251 | ||
252 | #include "gauss_i.h" | |
253 | ||
254 | //////////////////////////////////////////////////////////////////////// | |
255 | ||
256 | #include "xa.c" | |
257 | ||
258 | //////////////////////////////////////////////////////////////////////// | |
259 | // START SOUND... called by main thread to setup a new sound on a channel | |
260 | //////////////////////////////////////////////////////////////////////// | |
261 | ||
262 | INLINE void StartSound(int ch) | |
263 | { | |
264 | StartADSR(ch); | |
265 | StartREVERB(ch); | |
266 | ||
b00afb77 | 267 | // fussy timing issues - do in VoiceOn |
268 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start | |
269 | //s_chan[ch].bStop=0; | |
270 | //s_chan[ch].bOn=1; | |
ef79bbde | 271 | |
381ea103 | 272 | s_chan[ch].SB[26]=0; // init mixing vars |
273 | s_chan[ch].SB[27]=0; | |
ef79bbde P |
274 | s_chan[ch].iSBPos=28; |
275 | ||
ef79bbde P |
276 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
277 | s_chan[ch].SB[30]=0; | |
278 | ||
279 | if(iUseInterpolation>=2) // gauss interpolation? | |
280 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding | |
281 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding | |
282 | ||
283 | dwNewChannel&=~(1<<ch); // clear new channel bit | |
284 | } | |
285 | ||
286 | //////////////////////////////////////////////////////////////////////// | |
287 | // ALL KIND OF HELPERS | |
288 | //////////////////////////////////////////////////////////////////////// | |
289 | ||
290 | INLINE void VoiceChangeFrequency(int ch) | |
291 | { | |
292 | s_chan[ch].iUsedFreq=s_chan[ch].iActFreq; // -> take it and calc steps | |
293 | s_chan[ch].sinc=s_chan[ch].iRawPitch<<4; | |
294 | if(!s_chan[ch].sinc) s_chan[ch].sinc=1; | |
295 | if(iUseInterpolation==1) s_chan[ch].SB[32]=1; // -> freq change in simle imterpolation mode: set flag | |
296 | } | |
297 | ||
298 | //////////////////////////////////////////////////////////////////////// | |
299 | ||
07a6dd2c | 300 | INLINE int FModChangeFrequency(int ch,int ns) |
ef79bbde P |
301 | { |
302 | int NP=s_chan[ch].iRawPitch; | |
07a6dd2c | 303 | int sinc; |
ef79bbde P |
304 | |
305 | NP=((32768L+iFMod[ns])*NP)/32768L; | |
306 | ||
307 | if(NP>0x3fff) NP=0x3fff; | |
308 | if(NP<0x1) NP=0x1; | |
309 | ||
310 | NP=(44100L*NP)/(4096L); // calc frequency | |
311 | ||
312 | s_chan[ch].iActFreq=NP; | |
313 | s_chan[ch].iUsedFreq=NP; | |
07a6dd2c | 314 | sinc=(((NP/10)<<16)/4410); |
315 | if(!sinc) sinc=1; | |
ef79bbde | 316 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
07a6dd2c | 317 | s_chan[ch].SB[32]=1; |
ef79bbde | 318 | iFMod[ns]=0; |
07a6dd2c | 319 | |
320 | return sinc; | |
ef79bbde P |
321 | } |
322 | ||
323 | //////////////////////////////////////////////////////////////////////// | |
324 | ||
ef79bbde P |
325 | INLINE void StoreInterpolationVal(int ch,int fa) |
326 | { | |
327 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
328 | s_chan[ch].SB[29]=fa; | |
329 | else | |
330 | { | |
381ea103 | 331 | ssat32_to_16(fa); |
ef79bbde P |
332 | |
333 | if(iUseInterpolation>=2) // gauss/cubic interpolation | |
334 | { | |
335 | int gpos = s_chan[ch].SB[28]; | |
336 | gval0 = fa; | |
337 | gpos = (gpos+1) & 3; | |
338 | s_chan[ch].SB[28] = gpos; | |
339 | } | |
340 | else | |
341 | if(iUseInterpolation==1) // simple interpolation | |
342 | { | |
343 | s_chan[ch].SB[28] = 0; | |
344 | 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' | |
345 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; | |
346 | s_chan[ch].SB[31] = fa; | |
347 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation | |
348 | } | |
349 | else s_chan[ch].SB[29]=fa; // no interpolation | |
350 | } | |
351 | } | |
352 | ||
353 | //////////////////////////////////////////////////////////////////////// | |
354 | ||
355 | INLINE int iGetInterpolationVal(int ch) | |
356 | { | |
357 | int fa; | |
358 | ||
359 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; | |
360 | ||
361 | switch(iUseInterpolation) | |
362 | { | |
363 | //--------------------------------------------------// | |
364 | case 3: // cubic interpolation | |
365 | { | |
366 | long xd;int gpos; | |
367 | xd = ((s_chan[ch].spos) >> 1)+1; | |
368 | gpos = s_chan[ch].SB[28]; | |
369 | ||
370 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
371 | fa *= (xd - (2<<15)) / 6; | |
372 | fa >>= 15; | |
373 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
374 | fa *= (xd - (1<<15)) >> 1; | |
375 | fa >>= 15; | |
376 | fa += gval(1) - gval0; | |
377 | fa *= xd; | |
378 | fa >>= 15; | |
379 | fa = fa + gval0; | |
380 | ||
381 | } break; | |
382 | //--------------------------------------------------// | |
383 | case 2: // gauss interpolation | |
384 | { | |
385 | int vl, vr;int gpos; | |
386 | vl = (s_chan[ch].spos >> 6) & ~3; | |
387 | gpos = s_chan[ch].SB[28]; | |
388 | vr=(gauss[vl]*gval0)&~2047; | |
389 | vr+=(gauss[vl+1]*gval(1))&~2047; | |
390 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
391 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
392 | fa = vr>>11; | |
393 | } break; | |
394 | //--------------------------------------------------// | |
395 | case 1: // simple interpolation | |
396 | { | |
397 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? | |
398 | InterpolateUp(ch); // --> interpolate up | |
399 | else InterpolateDown(ch); // --> else down | |
400 | fa=s_chan[ch].SB[29]; | |
401 | } break; | |
402 | //--------------------------------------------------// | |
403 | default: // no interpolation | |
404 | { | |
405 | fa=s_chan[ch].SB[29]; | |
406 | } break; | |
407 | //--------------------------------------------------// | |
408 | } | |
409 | ||
410 | return fa; | |
411 | } | |
412 | ||
3fc2a4c2 | 413 | static void do_irq(void) |
414 | { | |
415 | if(!(spuStat & STAT_IRQ)) | |
416 | { | |
417 | spuStat |= STAT_IRQ; | |
418 | if(irqCallback) irqCallback(); | |
419 | } | |
420 | } | |
421 | ||
381ea103 | 422 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
423 | { | |
424 | int nSample; | |
425 | int fa, s_1, s_2, d, s; | |
426 | ||
427 | s_1 = dest[27]; | |
428 | s_2 = dest[26]; | |
429 | ||
430 | for (nSample = 0; nSample < 28; src++) | |
431 | { | |
432 | d = (int)*src; | |
433 | s = (int)(signed short)((d & 0x0f) << 12); | |
434 | ||
435 | fa = s >> shift_factor; | |
436 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
437 | s_2=s_1;s_1=fa; | |
438 | ||
439 | dest[nSample++] = fa; | |
440 | ||
441 | s = (int)(signed short)((d & 0xf0) << 8); | |
442 | fa = s >> shift_factor; | |
443 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
444 | s_2=s_1;s_1=fa; | |
445 | ||
446 | dest[nSample++] = fa; | |
447 | } | |
448 | } | |
449 | ||
e11ae5c5 | 450 | static int decode_block(int ch) |
451 | { | |
452 | unsigned char *start; | |
381ea103 | 453 | int predict_nr,shift_factor,flags; |
e11ae5c5 | 454 | int ret = 0; |
455 | ||
e11ae5c5 | 456 | start=s_chan[ch].pCurr; // set up the current pos |
174c454a | 457 | if(dwPendingChanOff&(1<<ch)) |
e11ae5c5 | 458 | { |
459 | dwChannelOn&=~(1<<ch); // -> turn everything off | |
3fc2a4c2 | 460 | dwPendingChanOff&=~(1<<ch); |
e11ae5c5 | 461 | s_chan[ch].bStop=1; |
462 | s_chan[ch].ADSRX.EnvelopeVol=0; | |
e11ae5c5 | 463 | } |
464 | ||
3fc2a4c2 | 465 | //////////////////////////////////////////// irq check |
466 | ||
467 | if(spuCtrl&CTRL_IRQ) | |
468 | { | |
469 | if(pSpuIrq == start) // irq address reached? | |
470 | { | |
471 | do_irq(); // -> call main emu | |
472 | ret = 1; | |
473 | } | |
474 | } | |
e11ae5c5 | 475 | |
381ea103 | 476 | predict_nr=(int)start[0]; |
e11ae5c5 | 477 | shift_factor=predict_nr&0xf; |
478 | predict_nr >>= 4; | |
e11ae5c5 | 479 | |
381ea103 | 480 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 481 | |
e11ae5c5 | 482 | //////////////////////////////////////////// flag handler |
483 | ||
381ea103 | 484 | flags=(int)start[1]; |
485 | if(flags&4) | |
486 | s_chan[ch].pLoop=start; // loop adress | |
e11ae5c5 | 487 | |
381ea103 | 488 | start+=16; |
e11ae5c5 | 489 | if(flags&1) // 1: stop/loop |
490 | { | |
3fc2a4c2 | 491 | if(!(flags&2)) |
492 | dwPendingChanOff|=1<<ch; | |
493 | ||
494 | start = s_chan[ch].pLoop; | |
e11ae5c5 | 495 | } |
496 | ||
174c454a | 497 | if (start - spuMemC >= 0x80000) { |
498 | // most likely wrong | |
499 | start = spuMemC; | |
500 | printf("ch%d oflow\n", ch); | |
501 | } | |
e11ae5c5 | 502 | |
381ea103 | 503 | s_chan[ch].pCurr = start; // store values for next cycle |
e11ae5c5 | 504 | |
505 | return ret; | |
506 | } | |
507 | ||
07a6dd2c | 508 | // do block, but ignore sample data |
509 | static int skip_block(int ch) | |
510 | { | |
511 | unsigned char *start = s_chan[ch].pCurr; | |
512 | int flags = start[1]; | |
513 | int ret = 0; | |
514 | ||
515 | // Tron Bonne hack, probably wrong (could be wrong memory contents..) | |
516 | if(flags & ~7) flags = 0; | |
517 | ||
518 | if(start == pSpuIrq) | |
519 | { | |
520 | do_irq(); | |
521 | ret = 1; | |
522 | } | |
523 | ||
381ea103 | 524 | if(flags & 4) |
07a6dd2c | 525 | s_chan[ch].pLoop=start; |
526 | ||
527 | s_chan[ch].pCurr += 16; | |
528 | ||
529 | if(flags & 1) | |
530 | s_chan[ch].pCurr = s_chan[ch].pLoop; | |
531 | ||
532 | return ret; | |
533 | } | |
534 | ||
535 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ | |
536 | static int do_samples_##name(int ch, int ns, int ns_to) \ | |
537 | { \ | |
538 | int sinc = s_chan[ch].sinc; \ | |
539 | int spos = s_chan[ch].spos; \ | |
381ea103 | 540 | int sbpos = s_chan[ch].iSBPos; \ |
541 | int *SB = s_chan[ch].SB; \ | |
07a6dd2c | 542 | int ret = -1; \ |
543 | int d, fa; \ | |
544 | interp_start; \ | |
545 | \ | |
546 | for (; ns < ns_to; ns++) \ | |
547 | { \ | |
548 | fmod_code; \ | |
549 | \ | |
550 | while (spos >= 0x10000) \ | |
551 | { \ | |
381ea103 | 552 | if(sbpos == 28) \ |
07a6dd2c | 553 | { \ |
381ea103 | 554 | sbpos = 0; \ |
07a6dd2c | 555 | d = decode_block(ch); \ |
556 | if(d && iSPUIRQWait) \ | |
557 | { \ | |
558 | ret = ns; \ | |
559 | goto out; \ | |
560 | } \ | |
561 | } \ | |
562 | \ | |
381ea103 | 563 | fa = SB[sbpos++]; \ |
07a6dd2c | 564 | interp1_code; \ |
565 | spos -= 0x10000; \ | |
566 | } \ | |
567 | \ | |
568 | interp2_code; \ | |
569 | spos += sinc; \ | |
570 | } \ | |
571 | \ | |
572 | out: \ | |
573 | s_chan[ch].sinc = sinc; \ | |
574 | s_chan[ch].spos = spos; \ | |
381ea103 | 575 | s_chan[ch].iSBPos = sbpos; \ |
07a6dd2c | 576 | interp_end; \ |
577 | \ | |
578 | return ret; \ | |
579 | } | |
580 | ||
581 | #define fmod_recv_check \ | |
582 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ | |
583 | sinc = FModChangeFrequency(ch,ns) | |
584 | ||
585 | make_do_samples(default, fmod_recv_check, , | |
586 | StoreInterpolationVal(ch, fa), | |
587 | ChanBuf[ns] = iGetInterpolationVal(ch), ) | |
588 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) | |
589 | ||
590 | #define simple_interp_store \ | |
591 | s_chan[ch].SB[28] = 0; \ | |
592 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ | |
593 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ | |
594 | s_chan[ch].SB[31] = fa; \ | |
595 | s_chan[ch].SB[32] = 1 | |
596 | ||
597 | #define simple_interp_get \ | |
598 | if(sinc<0x10000) /* -> upsampling? */ \ | |
599 | InterpolateUp(ch); /* --> interpolate up */ \ | |
600 | else InterpolateDown(ch); /* --> else down */ \ | |
601 | ChanBuf[ns] = s_chan[ch].SB[29] | |
602 | ||
603 | make_do_samples(simple, , , | |
604 | simple_interp_store, simple_interp_get, ) | |
605 | ||
606 | static int do_samples_noise(int ch, int ns, int ns_to) | |
607 | { | |
b1094d0e | 608 | int level, shift, bit; |
609 | ||
07a6dd2c | 610 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); |
611 | while (s_chan[ch].spos >= 28*0x10000) | |
612 | { | |
613 | skip_block(ch); | |
614 | s_chan[ch].spos -= 28*0x10000; | |
615 | } | |
616 | ||
b1094d0e | 617 | // modified from DrHell/shalma, no fraction |
618 | level = (spuCtrl >> 10) & 0x0f; | |
619 | level = 0x8000 >> level; | |
620 | ||
07a6dd2c | 621 | for (; ns < ns_to; ns++) |
b1094d0e | 622 | { |
623 | dwNoiseCount += 2; | |
624 | if (dwNoiseCount >= level) | |
625 | { | |
626 | dwNoiseCount -= level; | |
627 | shift = (dwNoiseVal >> 10) & 0x1f; | |
628 | bit = (0x69696969 >> shift) & 1; | |
629 | if (dwNoiseVal & 0x8000) | |
630 | bit ^= 1; | |
631 | dwNoiseVal = (dwNoiseVal << 1) | bit; | |
632 | } | |
633 | ||
634 | ChanBuf[ns] = (signed short)dwNoiseVal; | |
635 | } | |
07a6dd2c | 636 | |
637 | return -1; | |
638 | } | |
639 | ||
b17618c0 | 640 | #ifdef __arm__ |
641 | // asm code | |
642 | extern void mix_chan(int start, int count, int lv, int rv); | |
643 | extern void mix_chan_rvb(int start, int count, int lv, int rv); | |
644 | #else | |
645 | static void mix_chan(int start, int count, int lv, int rv) | |
646 | { | |
647 | int *dst = SSumLR + start * 2; | |
648 | const int *src = ChanBuf + start; | |
649 | int l, r; | |
650 | ||
651 | while (count--) | |
652 | { | |
653 | int sval = *src++; | |
654 | ||
655 | l = (sval * lv) >> 14; | |
656 | r = (sval * rv) >> 14; | |
657 | *dst++ += l; | |
658 | *dst++ += r; | |
659 | } | |
660 | } | |
661 | ||
662 | static void mix_chan_rvb(int start, int count, int lv, int rv) | |
663 | { | |
664 | int *dst = SSumLR + start * 2; | |
665 | int *drvb = sRVBStart + start * 2; | |
666 | const int *src = ChanBuf + start; | |
667 | int l, r; | |
668 | ||
669 | while (count--) | |
670 | { | |
671 | int sval = *src++; | |
672 | ||
673 | l = (sval * lv) >> 14; | |
674 | r = (sval * rv) >> 14; | |
675 | *dst++ += l; | |
676 | *dst++ += r; | |
677 | *drvb++ += l; | |
678 | *drvb++ += r; | |
679 | } | |
680 | } | |
681 | #endif | |
682 | ||
ef79bbde P |
683 | //////////////////////////////////////////////////////////////////////// |
684 | // MAIN SPU FUNCTION | |
685 | // here is the main job handler... thread, timer or direct func call | |
686 | // basically the whole sound processing is done in this fat func! | |
687 | //////////////////////////////////////////////////////////////////////// | |
688 | ||
689 | // 5 ms waiting phase, if buffer is full and no new sound has to get started | |
690 | // .. can be made smaller (smallest val: 1 ms), but bigger waits give | |
691 | // better performance | |
692 | ||
693 | #define PAUSE_W 5 | |
694 | #define PAUSE_L 5000 | |
695 | ||
696 | //////////////////////////////////////////////////////////////////////// | |
697 | ||
698 | static void *MAINThread(void *arg) | |
699 | { | |
9e7a7352 | 700 | int volmult = iVolume; |
07a6dd2c | 701 | int ns,ns_from,ns_to; |
174c454a | 702 | int ch,d,silentch; |
ef79bbde P |
703 | int bIRQReturn=0; |
704 | ||
705 | while(!bEndThread) // until we are shutting down | |
706 | { | |
707 | // ok, at the beginning we are looking if there is | |
708 | // enuff free place in the dsound/oss buffer to | |
709 | // fill in new data, or if there is a new channel to start. | |
710 | // if not, we wait (thread) or return (timer/spuasync) | |
711 | // until enuff free place is available/a new channel gets | |
712 | // started | |
713 | ||
714 | if(dwNewChannel) // new channel should start immedately? | |
715 | { // (at least one bit 0 ... MAXCHANNEL is set?) | |
716 | iSecureStart++; // -> set iSecure | |
717 | 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) | |
718 | } | |
719 | else iSecureStart=0; // 0: no new channel should start | |
720 | ||
721 | while(!iSecureStart && !bEndThread && // no new start? no thread end? | |
722 | (SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer? | |
723 | { | |
724 | iSecureStart=0; // reset secure | |
725 | ||
726 | if(iUseTimer) return 0; // linux no-thread mode? bye | |
727 | usleep(PAUSE_L); // else sleep for x ms (linux) | |
728 | ||
729 | if(dwNewChannel) iSecureStart=1; // if a new channel kicks in (or, of course, sound buffer runs low), we will leave the loop | |
730 | } | |
731 | ||
732 | //--------------------------------------------------// continue from irq handling in timer mode? | |
733 | ||
8680e822 | 734 | ns_from=0; |
735 | ns_to=NSSIZE; | |
736 | ch=0; | |
ef79bbde P |
737 | if(lastch>=0) // will be -1 if no continue is pending |
738 | { | |
e11ae5c5 | 739 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
ef79bbde P |
740 | } |
741 | ||
174c454a | 742 | silentch=~(dwChannelOn|dwNewChannel); |
743 | ||
ef79bbde P |
744 | //--------------------------------------------------// |
745 | //- main channel loop -// | |
746 | //--------------------------------------------------// | |
747 | { | |
8680e822 | 748 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
ef79bbde | 749 | { |
6d866bb7 | 750 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
751 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next | |
ef79bbde P |
752 | |
753 | if(s_chan[ch].iActFreq!=s_chan[ch].iUsedFreq) // new psx frequency? | |
754 | VoiceChangeFrequency(ch); | |
755 | ||
07a6dd2c | 756 | if(s_chan[ch].bNoise) |
757 | d=do_samples_noise(ch, ns_from, ns_to); | |
758 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) | |
759 | d=do_samples_noint(ch, ns_from, ns_to); | |
760 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) | |
761 | d=do_samples_simple(ch, ns_from, ns_to); | |
762 | else | |
763 | d=do_samples_default(ch, ns_from, ns_to); | |
764 | if(d>=0) | |
ef79bbde | 765 | { |
07a6dd2c | 766 | bIRQReturn=1; |
767 | lastch=ch; | |
768 | lastns=ns_to=d; | |
587fa7de | 769 | if(d==0) |
770 | break; | |
1ab7621a | 771 | } |
ef79bbde | 772 | |
1ab7621a | 773 | MixADSR(ch, ns_from, ns_to); |
774 | ||
775 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
776 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); | |
b17618c0 | 777 | else if(s_chan[ch].bRVBActive) |
778 | mix_chan_rvb(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); | |
1775933a | 779 | else |
b17618c0 | 780 | mix_chan(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
ef79bbde P |
781 | } |
782 | } | |
783 | ||
78c60846 | 784 | // advance "stopped" channels that can cause irqs |
785 | // (all chans are always playing on the real thing..) | |
786 | if(!bIRQReturn && (spuCtrl&CTRL_IRQ)) | |
787 | for(ch=0;ch<MAXCHAN;ch++) | |
788 | { | |
174c454a | 789 | if(!(silentch&(1<<ch))) continue; // already handled |
790 | if(dwChannelDead&(1<<ch)) continue; | |
78c60846 | 791 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) |
792 | continue; | |
793 | ||
794 | if(s_chan[ch].iActFreq!=s_chan[ch].iUsedFreq) // new psx frequency? | |
795 | VoiceChangeFrequency(ch); | |
796 | ||
797 | s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; | |
798 | while(s_chan[ch].spos >= 28 * 0x10000) | |
799 | { | |
800 | unsigned char *start=s_chan[ch].pCurr; | |
78c60846 | 801 | |
a3ed1915 | 802 | // no need for bIRQReturn since the channel is silent |
803 | iSpuAsyncWait |= skip_block(ch); | |
07a6dd2c | 804 | if(start == s_chan[ch].pCurr) |
78c60846 | 805 | { |
806 | // looping on self | |
174c454a | 807 | dwChannelDead|=1<<ch; |
78c60846 | 808 | break; |
809 | } | |
810 | ||
78c60846 | 811 | s_chan[ch].spos -= 28 * 0x10000; |
812 | } | |
813 | } | |
814 | ||
e11ae5c5 | 815 | if(bIRQReturn && iSPUIRQWait) // special return for "spu irq - wait for cpu action" |
8680e822 | 816 | { |
e11ae5c5 | 817 | iSpuAsyncWait=1; |
8680e822 | 818 | bIRQReturn=0; |
819 | if(iUseTimer!=2) | |
820 | { | |
821 | DWORD dwWatchTime=timeGetTime_spu()+2500; | |
822 | ||
823 | while(iSpuAsyncWait && !bEndThread && | |
824 | timeGetTime_spu()<dwWatchTime) | |
825 | usleep(1000L); | |
826 | continue; | |
827 | } | |
828 | else | |
829 | { | |
830 | return 0; | |
831 | } | |
832 | } | |
833 | ||
834 | ||
ef79bbde P |
835 | //---------------------------------------------------// |
836 | //- here we have another 1 ms of sound data | |
837 | //---------------------------------------------------// | |
838 | // mix XA infos (if any) | |
839 | ||
840 | MixXA(); | |
841 | ||
842 | /////////////////////////////////////////////////////// | |
843 | // mix all channels (including reverb) into one buffer | |
844 | ||
1775933a | 845 | if(iUseReverb) |
846 | REVERBDo(); | |
847 | ||
848 | if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) | |
849 | { | |
850 | memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); | |
851 | pS += NSSIZE*2; | |
852 | } | |
853 | else | |
97ea4077 | 854 | for (ns = 0; ns < NSSIZE*2; ) |
ef79bbde | 855 | { |
9e7a7352 | 856 | d = SSumLR[ns]; SSumLR[ns] = 0; |
857 | d = d * volmult >> 10; | |
1775933a | 858 | ssat32_to_16(d); |
ef79bbde | 859 | *pS++ = d; |
97ea4077 | 860 | ns++; |
ef79bbde | 861 | |
9e7a7352 | 862 | d = SSumLR[ns]; SSumLR[ns] = 0; |
863 | d = d * volmult >> 10; | |
1775933a | 864 | ssat32_to_16(d); |
ef79bbde | 865 | *pS++ = d; |
97ea4077 | 866 | ns++; |
ef79bbde P |
867 | } |
868 | ||
869 | ////////////////////////////////////////////////////// | |
870 | // special irq handling in the decode buffers (0x0000-0x1000) | |
871 | // we know: | |
872 | // the decode buffers are located in spu memory in the following way: | |
873 | // 0x0000-0x03ff CD audio left | |
874 | // 0x0400-0x07ff CD audio right | |
875 | // 0x0800-0x0bff Voice 1 | |
876 | // 0x0c00-0x0fff Voice 3 | |
877 | // and decoded data is 16 bit for one sample | |
878 | // we assume: | |
879 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
880 | // play positions will move on and wrap after 0x400 bytes. | |
881 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
882 | // increase this pointer on each sample by 2 bytes. If this pointer | |
883 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
884 | // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here | |
885 | // in some of Peops timer modes. So: we ignore this option here (for now). | |
886 | ||
3fc2a4c2 | 887 | if(pMixIrq) |
ef79bbde P |
888 | { |
889 | for(ns=0;ns<NSSIZE;ns++) | |
890 | { | |
891 | if((spuCtrl&0x40) && pSpuIrq && pSpuIrq<spuMemC+0x1000) | |
892 | { | |
893 | for(ch=0;ch<4;ch++) | |
894 | { | |
895 | if(pSpuIrq>=pMixIrq+(ch*0x400) && pSpuIrq<pMixIrq+(ch*0x400)+2) | |
3fc2a4c2 | 896 | do_irq(); |
ef79bbde P |
897 | } |
898 | } | |
899 | pMixIrq+=2;if(pMixIrq>spuMemC+0x3ff) pMixIrq=spuMemC; | |
900 | } | |
901 | } | |
902 | ||
903 | InitREVERB(); | |
904 | ||
905 | // feed the sound | |
906 | // wanna have around 1/60 sec (16.666 ms) updates | |
381ea103 | 907 | if (iCycle++ > 16/FRAG_MSECS) |
ef79bbde P |
908 | { |
909 | SoundFeedStreamData((unsigned char *)pSpuBuffer, | |
910 | ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); | |
911 | pS = (short *)pSpuBuffer; | |
912 | iCycle = 0; | |
913 | } | |
914 | } | |
915 | ||
916 | // end of big main loop... | |
917 | ||
918 | bThreadEnded = 1; | |
919 | ||
920 | return 0; | |
921 | } | |
922 | ||
923 | // SPU ASYNC... even newer epsxe func | |
924 | // 1 time every 'cycle' cycles... harhar | |
925 | ||
926 | void CALLBACK SPUasync(unsigned long cycle) | |
927 | { | |
928 | if(iSpuAsyncWait) | |
929 | { | |
930 | iSpuAsyncWait++; | |
381ea103 | 931 | if(iSpuAsyncWait<=16/FRAG_MSECS) return; |
ef79bbde P |
932 | iSpuAsyncWait=0; |
933 | } | |
934 | ||
935 | if(iUseTimer==2) // special mode, only used in Linux by this spu (or if you enable the experimental Windows mode) | |
936 | { | |
937 | if(!bSpuInit) return; // -> no init, no call | |
938 | ||
939 | MAINThread(0); // -> linux high-compat mode | |
17ed0d69 | 940 | |
941 | // abuse iSpuAsyncWait mechanism to reduce calls to above function | |
942 | // to make it do larger chunks | |
943 | // note: doing it less often than once per frame causes skips | |
944 | iSpuAsyncWait=1; | |
ef79bbde P |
945 | } |
946 | } | |
947 | ||
948 | // SPU UPDATE... new epsxe func | |
949 | // 1 time every 32 hsync lines | |
950 | // (312/32)x50 in pal | |
951 | // (262/32)x60 in ntsc | |
952 | ||
953 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
954 | // leave that func in the linux port, until epsxe linux is using | |
955 | // the async function as well | |
956 | ||
957 | void CALLBACK SPUupdate(void) | |
958 | { | |
959 | SPUasync(0); | |
960 | } | |
961 | ||
962 | // XA AUDIO | |
963 | ||
964 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
965 | { | |
966 | if(!xap) return; | |
967 | if(!xap->freq) return; // no xa freq ? bye | |
968 | ||
969 | FeedXA(xap); // call main XA feeder | |
970 | } | |
971 | ||
972 | // CDDA AUDIO | |
973 | void CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) | |
974 | { | |
975 | if (!pcm) return; | |
976 | if (nbytes<=0) return; | |
977 | ||
978 | FeedCDDA((unsigned char *)pcm, nbytes); | |
979 | } | |
980 | ||
981 | // SETUPTIMER: init of certain buffers and threads/timers | |
982 | void SetupTimer(void) | |
983 | { | |
97ea4077 | 984 | memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers |
ef79bbde P |
985 | memset(iFMod,0,NSSIZE*sizeof(int)); |
986 | pS=(short *)pSpuBuffer; // setup soundbuffer pointer | |
987 | ||
988 | bEndThread=0; // init thread vars | |
989 | bThreadEnded=0; | |
990 | bSpuInit=1; // flag: we are inited | |
991 | ||
992 | if(!iUseTimer) // linux: use thread | |
993 | { | |
994 | pthread_create(&thread, NULL, MAINThread, NULL); | |
995 | } | |
996 | } | |
997 | ||
998 | // REMOVETIMER: kill threads/timers | |
999 | void RemoveTimer(void) | |
1000 | { | |
1001 | bEndThread=1; // raise flag to end thread | |
1002 | ||
1003 | if(!iUseTimer) // linux tread? | |
1004 | { | |
1005 | int i=0; | |
1006 | while(!bThreadEnded && i<2000) {usleep(1000L);i++;} // -> wait until thread has ended | |
1007 | if(thread!=(pthread_t)-1) {pthread_cancel(thread);thread=(pthread_t)-1;} // -> cancel thread anyway | |
1008 | } | |
1009 | ||
1010 | bThreadEnded=0; // no more spu is running | |
1011 | bSpuInit=0; | |
1012 | } | |
1013 | ||
1014 | // SETUPSTREAMS: init most of the spu buffers | |
1015 | void SetupStreams(void) | |
1016 | { | |
1017 | int i; | |
1018 | ||
1019 | pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer | |
1020 | ||
1021 | if(iUseReverb==1) i=88200*2; | |
1022 | else i=NSSIZE*2; | |
1023 | ||
1024 | sRVBStart = (int *)malloc(i*4); // alloc reverb buffer | |
1025 | memset(sRVBStart,0,i*4); | |
1026 | sRVBEnd = sRVBStart + i; | |
1027 | sRVBPlay = sRVBStart; | |
1028 | ||
1029 | XAStart = // alloc xa buffer | |
1030 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); | |
1031 | XAEnd = XAStart + 44100; | |
1032 | XAPlay = XAStart; | |
1033 | XAFeed = XAStart; | |
1034 | ||
1035 | CDDAStart = // alloc cdda buffer | |
1036 | (uint32_t *)malloc(16384 * sizeof(uint32_t)); | |
1037 | CDDAEnd = CDDAStart + 16384; | |
1038 | CDDAPlay = CDDAStart; | |
b8e744ce | 1039 | CDDAFeed = CDDAStart; |
ef79bbde P |
1040 | |
1041 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
1042 | { | |
1043 | // we don't use mutex sync... not needed, would only | |
1044 | // slow us down: | |
1045 | // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); | |
6d866bb7 | 1046 | s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
ef79bbde P |
1047 | s_chan[i].pLoop=spuMemC; |
1048 | s_chan[i].pStart=spuMemC; | |
1049 | s_chan[i].pCurr=spuMemC; | |
1050 | } | |
1051 | ||
1052 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address | |
1053 | } | |
1054 | ||
1055 | // REMOVESTREAMS: free most buffer | |
1056 | void RemoveStreams(void) | |
1057 | { | |
1058 | free(pSpuBuffer); // free mixing buffer | |
1059 | pSpuBuffer = NULL; | |
1060 | free(sRVBStart); // free reverb buffer | |
1061 | sRVBStart = NULL; | |
1062 | free(XAStart); // free XA buffer | |
1063 | XAStart = NULL; | |
1064 | free(CDDAStart); // free CDDA buffer | |
1065 | CDDAStart = NULL; | |
1066 | } | |
1067 | ||
1068 | // INIT/EXIT STUFF | |
1069 | ||
1070 | // SPUINIT: this func will be called first by the main emu | |
1071 | long CALLBACK SPUinit(void) | |
1072 | { | |
1073 | spuMemC = (unsigned char *)spuMem; // just small setup | |
1074 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); | |
1075 | InitADSR(); | |
1076 | ||
ef79bbde P |
1077 | spuIrq = 0; |
1078 | spuAddr = 0xffffffff; | |
1079 | bEndThread = 0; | |
1080 | bThreadEnded = 0; | |
1081 | spuMemC = (unsigned char *)spuMem; | |
1082 | pMixIrq = 0; | |
1083 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); | |
1084 | pSpuIrq = 0; | |
cdb31c95 | 1085 | //iSPUIRQWait = 0; |
ef79bbde P |
1086 | lastch = -1; |
1087 | ||
d7296e10 | 1088 | //ReadConfigSPU(); // read user stuff |
ef79bbde P |
1089 | SetupStreams(); // prepare streaming |
1090 | ||
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | // SPUOPEN: called by main emu after init | |
1095 | long CALLBACK SPUopen(void) | |
1096 | { | |
1097 | if (bSPUIsOpen) return 0; // security for some stupid main emus | |
1098 | ||
1099 | SetupSound(); // setup sound (before init!) | |
1100 | SetupTimer(); // timer for feeding data | |
1101 | ||
1102 | bSPUIsOpen = 1; | |
1103 | ||
1104 | return PSE_SPU_ERR_SUCCESS; | |
1105 | } | |
1106 | ||
1107 | // SPUCLOSE: called before shutdown | |
1108 | long CALLBACK SPUclose(void) | |
1109 | { | |
1110 | if (!bSPUIsOpen) return 0; // some security | |
1111 | ||
1112 | bSPUIsOpen = 0; // no more open | |
1113 | ||
1114 | RemoveTimer(); // no more feeding | |
1115 | RemoveSound(); // no more sound handling | |
1116 | ||
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | // SPUSHUTDOWN: called by main emu on final exit | |
1121 | long CALLBACK SPUshutdown(void) | |
1122 | { | |
1123 | SPUclose(); | |
1124 | RemoveStreams(); // no more streaming | |
1125 | ||
1126 | return 0; | |
1127 | } | |
1128 | ||
1129 | // SPUTEST: we don't test, we are always fine ;) | |
1130 | long CALLBACK SPUtest(void) | |
1131 | { | |
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | // SPUCONFIGURE: call config dialog | |
1136 | long CALLBACK SPUconfigure(void) | |
1137 | { | |
1138 | #ifdef _MACOSX | |
1139 | DoConfiguration(); | |
1140 | #else | |
ee849648 | 1141 | // StartCfgTool("CFG"); |
ef79bbde P |
1142 | #endif |
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | // SPUABOUT: show about window | |
1147 | void CALLBACK SPUabout(void) | |
1148 | { | |
1149 | #ifdef _MACOSX | |
1150 | DoAbout(); | |
1151 | #else | |
ee849648 | 1152 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1153 | #endif |
1154 | } | |
1155 | ||
1156 | // SETUP CALLBACKS | |
1157 | // this functions will be called once, | |
1158 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1159 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1160 | { | |
1161 | irqCallback = callback; | |
1162 | } | |
1163 | ||
1164 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1165 | { | |
1166 | cddavCallback = CDDAVcallback; | |
1167 | } | |
1168 | ||
1169 | // COMMON PLUGIN INFO FUNCS | |
e906c010 | 1170 | /* |
ef79bbde P |
1171 | char * CALLBACK PSEgetLibName(void) |
1172 | { | |
1173 | return _(libraryName); | |
1174 | } | |
1175 | ||
1176 | unsigned long CALLBACK PSEgetLibType(void) | |
1177 | { | |
1178 | return PSE_LT_SPU; | |
1179 | } | |
1180 | ||
1181 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1182 | { | |
1183 | return (1 << 16) | (6 << 8); | |
1184 | } | |
1185 | ||
1186 | char * SPUgetLibInfos(void) | |
1187 | { | |
1188 | return _(libraryInfo); | |
1189 | } | |
e906c010 | 1190 | */ |
6d866bb7 | 1191 | |
90f1d26c | 1192 | // debug |
174c454a | 1193 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1194 | { |
174c454a | 1195 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1196 | |
1197 | for(;ch<MAXCHAN;ch++) | |
1198 | { | |
1199 | if (!(dwChannelOn & (1<<ch))) | |
1200 | continue; | |
1201 | if (s_chan[ch].bFMod == 2) | |
1202 | fmod_chans |= 1 << ch; | |
1203 | if (s_chan[ch].bNoise) | |
1204 | noise_chans |= 1 << ch; | |
174c454a | 1205 | if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq) |
1206 | irq_chans |= 1 << ch; | |
90f1d26c | 1207 | } |
1208 | ||
1209 | *chans_out = dwChannelOn; | |
174c454a | 1210 | *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans; |
90f1d26c | 1211 | *fmod_chans_out = fmod_chans; |
1212 | *noise_chans_out = noise_chans; | |
1213 | } | |
1214 | ||
6d866bb7 | 1215 | // vim:shiftwidth=1:expandtab |