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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 | ||
96 | unsigned long dwNoiseVal=1; // global noise generator | |
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 | ||
110 | unsigned long dwNewChannel=0; // flags for faster testing, if new channel starts | |
6d866bb7 | 111 | unsigned long dwChannelOn=0; |
3fc2a4c2 | 112 | unsigned long dwPendingChanOff=0; |
ef79bbde P |
113 | |
114 | void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq | |
115 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; | |
116 | ||
117 | // certain globals (were local before, but with the new timeproc I need em global) | |
118 | ||
6d866bb7 | 119 | static const int f[8][2] = { { 0, 0 }, |
ef79bbde P |
120 | { 60, 0 }, |
121 | { 115, -52 }, | |
122 | { 98, -55 }, | |
123 | { 122, -60 } }; | |
1ab7621a | 124 | int ChanBuf[NSSIZE]; |
97ea4077 | 125 | int SSumLR[NSSIZE*2]; |
ef79bbde P |
126 | int iFMod[NSSIZE]; |
127 | int iCycle = 0; | |
128 | short * pS; | |
129 | ||
130 | int lastch=-1; // last channel processed on spu irq in timer mode | |
131 | static int lastns=0; // last ns pos | |
132 | static int iSecureStart=0; // secure start counter | |
133 | ||
134 | //////////////////////////////////////////////////////////////////////// | |
135 | // CODE AREA | |
136 | //////////////////////////////////////////////////////////////////////// | |
137 | ||
138 | // dirty inline func includes | |
139 | ||
140 | #include "reverb.c" | |
141 | #include "adsr.c" | |
142 | ||
143 | //////////////////////////////////////////////////////////////////////// | |
144 | // helpers for simple interpolation | |
145 | ||
146 | // | |
147 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
148 | // | |
149 | // instead of having n equal sample values in a row like: | |
150 | // ____ | |
151 | // |____ | |
152 | // | |
153 | // we compare the current delta change with the next delta change. | |
154 | // | |
155 | // if curr_delta is positive, | |
156 | // | |
157 | // - and next delta is smaller (or changing direction): | |
158 | // \. | |
159 | // -__ | |
160 | // | |
161 | // - and next delta significant (at least twice) bigger: | |
162 | // --_ | |
163 | // \. | |
164 | // | |
165 | // - and next delta is nearly same: | |
166 | // \. | |
167 | // \. | |
168 | // | |
169 | // | |
170 | // if curr_delta is negative, | |
171 | // | |
172 | // - and next delta is smaller (or changing direction): | |
173 | // _-- | |
174 | // / | |
175 | // | |
176 | // - and next delta significant (at least twice) bigger: | |
177 | // / | |
178 | // __- | |
179 | // | |
180 | // - and next delta is nearly same: | |
181 | // / | |
182 | // / | |
183 | // | |
184 | ||
185 | ||
186 | INLINE void InterpolateUp(int ch) | |
187 | { | |
188 | if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass | |
189 | { | |
190 | const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val | |
191 | const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) | |
192 | ||
193 | s_chan[ch].SB[32]=0; | |
194 | ||
195 | if(id1>0) // curr delta positive | |
196 | { | |
197 | if(id2<id1) | |
198 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
199 | else | |
200 | if(id2<(id1<<1)) | |
201 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
202 | else | |
203 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
204 | } | |
205 | else // curr delta negative | |
206 | { | |
207 | if(id2>id1) | |
208 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
209 | else | |
210 | if(id2>(id1<<1)) | |
211 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
212 | else | |
213 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
214 | } | |
215 | } | |
216 | else | |
217 | if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass | |
218 | { | |
219 | s_chan[ch].SB[32]=0; | |
220 | ||
221 | s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; | |
222 | if(s_chan[ch].sinc<=0x8000) | |
223 | s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); | |
224 | else s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
225 | } | |
226 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
227 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
228 | } | |
229 | ||
230 | // | |
231 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
232 | // | |
233 | ||
234 | INLINE void InterpolateDown(int ch) | |
235 | { | |
236 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? | |
237 | { | |
238 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight | |
239 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? | |
240 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight | |
241 | } | |
242 | } | |
243 | ||
244 | //////////////////////////////////////////////////////////////////////// | |
245 | // helpers for gauss interpolation | |
246 | ||
247 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) | |
248 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) | |
249 | ||
250 | #include "gauss_i.h" | |
251 | ||
252 | //////////////////////////////////////////////////////////////////////// | |
253 | ||
254 | #include "xa.c" | |
255 | ||
256 | //////////////////////////////////////////////////////////////////////// | |
257 | // START SOUND... called by main thread to setup a new sound on a channel | |
258 | //////////////////////////////////////////////////////////////////////// | |
259 | ||
260 | INLINE void StartSound(int ch) | |
261 | { | |
262 | StartADSR(ch); | |
263 | StartREVERB(ch); | |
264 | ||
b00afb77 | 265 | // fussy timing issues - do in VoiceOn |
266 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start | |
267 | //s_chan[ch].bStop=0; | |
268 | //s_chan[ch].bOn=1; | |
ef79bbde | 269 | |
381ea103 | 270 | s_chan[ch].SB[26]=0; // init mixing vars |
271 | s_chan[ch].SB[27]=0; | |
ef79bbde P |
272 | s_chan[ch].iSBPos=28; |
273 | ||
ef79bbde P |
274 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
275 | s_chan[ch].SB[30]=0; | |
276 | ||
277 | if(iUseInterpolation>=2) // gauss interpolation? | |
278 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding | |
279 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding | |
280 | ||
281 | dwNewChannel&=~(1<<ch); // clear new channel bit | |
282 | } | |
283 | ||
284 | //////////////////////////////////////////////////////////////////////// | |
285 | // ALL KIND OF HELPERS | |
286 | //////////////////////////////////////////////////////////////////////// | |
287 | ||
288 | INLINE void VoiceChangeFrequency(int ch) | |
289 | { | |
290 | s_chan[ch].iUsedFreq=s_chan[ch].iActFreq; // -> take it and calc steps | |
291 | s_chan[ch].sinc=s_chan[ch].iRawPitch<<4; | |
292 | if(!s_chan[ch].sinc) s_chan[ch].sinc=1; | |
293 | if(iUseInterpolation==1) s_chan[ch].SB[32]=1; // -> freq change in simle imterpolation mode: set flag | |
294 | } | |
295 | ||
296 | //////////////////////////////////////////////////////////////////////// | |
297 | ||
07a6dd2c | 298 | INLINE int FModChangeFrequency(int ch,int ns) |
ef79bbde P |
299 | { |
300 | int NP=s_chan[ch].iRawPitch; | |
07a6dd2c | 301 | int sinc; |
ef79bbde P |
302 | |
303 | NP=((32768L+iFMod[ns])*NP)/32768L; | |
304 | ||
305 | if(NP>0x3fff) NP=0x3fff; | |
306 | if(NP<0x1) NP=0x1; | |
307 | ||
308 | NP=(44100L*NP)/(4096L); // calc frequency | |
309 | ||
310 | s_chan[ch].iActFreq=NP; | |
311 | s_chan[ch].iUsedFreq=NP; | |
07a6dd2c | 312 | sinc=(((NP/10)<<16)/4410); |
313 | if(!sinc) sinc=1; | |
ef79bbde | 314 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
07a6dd2c | 315 | s_chan[ch].SB[32]=1; |
ef79bbde | 316 | iFMod[ns]=0; |
07a6dd2c | 317 | |
318 | return sinc; | |
ef79bbde P |
319 | } |
320 | ||
321 | //////////////////////////////////////////////////////////////////////// | |
322 | ||
323 | // noise handler... just produces some noise data | |
324 | // surely wrong... and no noise frequency (spuCtrl&0x3f00) will be used... | |
325 | // and sometimes the noise will be used as fmod modulation... pfff | |
326 | ||
327 | INLINE int iGetNoiseVal(int ch) | |
328 | { | |
329 | int fa; | |
330 | ||
331 | if((dwNoiseVal<<=1)&0x80000000L) | |
332 | { | |
333 | dwNoiseVal^=0x0040001L; | |
334 | fa=((dwNoiseVal>>2)&0x7fff); | |
335 | fa=-fa; | |
336 | } | |
337 | else fa=(dwNoiseVal>>2)&0x7fff; | |
338 | ||
339 | // mmm... depending on the noise freq we allow bigger/smaller changes to the previous val | |
340 | fa=s_chan[ch].iOldNoise+((fa-s_chan[ch].iOldNoise)/((0x001f-((spuCtrl&0x3f00)>>9))+1)); | |
341 | if(fa>32767L) fa=32767L; | |
342 | if(fa<-32767L) fa=-32767L; | |
343 | s_chan[ch].iOldNoise=fa; | |
344 | ||
345 | if(iUseInterpolation<2) // no gauss/cubic interpolation? | |
346 | s_chan[ch].SB[29] = fa; // -> store noise val in "current sample" slot | |
347 | return fa; | |
348 | } | |
349 | ||
350 | //////////////////////////////////////////////////////////////////////// | |
351 | ||
352 | INLINE void StoreInterpolationVal(int ch,int fa) | |
353 | { | |
354 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
355 | s_chan[ch].SB[29]=fa; | |
356 | else | |
357 | { | |
381ea103 | 358 | ssat32_to_16(fa); |
ef79bbde P |
359 | |
360 | if(iUseInterpolation>=2) // gauss/cubic interpolation | |
361 | { | |
362 | int gpos = s_chan[ch].SB[28]; | |
363 | gval0 = fa; | |
364 | gpos = (gpos+1) & 3; | |
365 | s_chan[ch].SB[28] = gpos; | |
366 | } | |
367 | else | |
368 | if(iUseInterpolation==1) // simple interpolation | |
369 | { | |
370 | s_chan[ch].SB[28] = 0; | |
371 | 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' | |
372 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; | |
373 | s_chan[ch].SB[31] = fa; | |
374 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation | |
375 | } | |
376 | else s_chan[ch].SB[29]=fa; // no interpolation | |
377 | } | |
378 | } | |
379 | ||
380 | //////////////////////////////////////////////////////////////////////// | |
381 | ||
382 | INLINE int iGetInterpolationVal(int ch) | |
383 | { | |
384 | int fa; | |
385 | ||
386 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; | |
387 | ||
388 | switch(iUseInterpolation) | |
389 | { | |
390 | //--------------------------------------------------// | |
391 | case 3: // cubic interpolation | |
392 | { | |
393 | long xd;int gpos; | |
394 | xd = ((s_chan[ch].spos) >> 1)+1; | |
395 | gpos = s_chan[ch].SB[28]; | |
396 | ||
397 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
398 | fa *= (xd - (2<<15)) / 6; | |
399 | fa >>= 15; | |
400 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
401 | fa *= (xd - (1<<15)) >> 1; | |
402 | fa >>= 15; | |
403 | fa += gval(1) - gval0; | |
404 | fa *= xd; | |
405 | fa >>= 15; | |
406 | fa = fa + gval0; | |
407 | ||
408 | } break; | |
409 | //--------------------------------------------------// | |
410 | case 2: // gauss interpolation | |
411 | { | |
412 | int vl, vr;int gpos; | |
413 | vl = (s_chan[ch].spos >> 6) & ~3; | |
414 | gpos = s_chan[ch].SB[28]; | |
415 | vr=(gauss[vl]*gval0)&~2047; | |
416 | vr+=(gauss[vl+1]*gval(1))&~2047; | |
417 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
418 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
419 | fa = vr>>11; | |
420 | } break; | |
421 | //--------------------------------------------------// | |
422 | case 1: // simple interpolation | |
423 | { | |
424 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? | |
425 | InterpolateUp(ch); // --> interpolate up | |
426 | else InterpolateDown(ch); // --> else down | |
427 | fa=s_chan[ch].SB[29]; | |
428 | } break; | |
429 | //--------------------------------------------------// | |
430 | default: // no interpolation | |
431 | { | |
432 | fa=s_chan[ch].SB[29]; | |
433 | } break; | |
434 | //--------------------------------------------------// | |
435 | } | |
436 | ||
437 | return fa; | |
438 | } | |
439 | ||
3fc2a4c2 | 440 | static void do_irq(void) |
441 | { | |
442 | if(!(spuStat & STAT_IRQ)) | |
443 | { | |
444 | spuStat |= STAT_IRQ; | |
445 | if(irqCallback) irqCallback(); | |
446 | } | |
447 | } | |
448 | ||
381ea103 | 449 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
450 | { | |
451 | int nSample; | |
452 | int fa, s_1, s_2, d, s; | |
453 | ||
454 | s_1 = dest[27]; | |
455 | s_2 = dest[26]; | |
456 | ||
457 | for (nSample = 0; nSample < 28; src++) | |
458 | { | |
459 | d = (int)*src; | |
460 | s = (int)(signed short)((d & 0x0f) << 12); | |
461 | ||
462 | fa = s >> shift_factor; | |
463 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
464 | s_2=s_1;s_1=fa; | |
465 | ||
466 | dest[nSample++] = fa; | |
467 | ||
468 | s = (int)(signed short)((d & 0xf0) << 8); | |
469 | fa = s >> shift_factor; | |
470 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
471 | s_2=s_1;s_1=fa; | |
472 | ||
473 | dest[nSample++] = fa; | |
474 | } | |
475 | } | |
476 | ||
e11ae5c5 | 477 | static int decode_block(int ch) |
478 | { | |
479 | unsigned char *start; | |
381ea103 | 480 | int predict_nr,shift_factor,flags; |
e11ae5c5 | 481 | int ret = 0; |
482 | ||
e11ae5c5 | 483 | start=s_chan[ch].pCurr; // set up the current pos |
3fc2a4c2 | 484 | if(start == (unsigned char*)-1 || // special "stop" sign |
485 | (dwPendingChanOff&(1<<ch))) | |
e11ae5c5 | 486 | { |
487 | dwChannelOn&=~(1<<ch); // -> turn everything off | |
3fc2a4c2 | 488 | dwPendingChanOff&=~(1<<ch); |
e11ae5c5 | 489 | s_chan[ch].bStop=1; |
490 | s_chan[ch].ADSRX.EnvelopeVol=0; | |
491 | return 0; // -> and done for this channel | |
492 | } | |
493 | ||
3fc2a4c2 | 494 | //////////////////////////////////////////// irq check |
495 | ||
496 | if(spuCtrl&CTRL_IRQ) | |
497 | { | |
498 | if(pSpuIrq == start) // irq address reached? | |
499 | { | |
500 | do_irq(); // -> call main emu | |
501 | ret = 1; | |
502 | } | |
503 | } | |
e11ae5c5 | 504 | |
381ea103 | 505 | predict_nr=(int)start[0]; |
e11ae5c5 | 506 | shift_factor=predict_nr&0xf; |
507 | predict_nr >>= 4; | |
e11ae5c5 | 508 | |
381ea103 | 509 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 510 | |
e11ae5c5 | 511 | //////////////////////////////////////////// flag handler |
512 | ||
381ea103 | 513 | flags=(int)start[1]; |
514 | if(flags&4) | |
515 | s_chan[ch].pLoop=start; // loop adress | |
e11ae5c5 | 516 | |
381ea103 | 517 | start+=16; |
e11ae5c5 | 518 | if(flags&1) // 1: stop/loop |
519 | { | |
3fc2a4c2 | 520 | if(!(flags&2)) |
521 | dwPendingChanOff|=1<<ch; | |
522 | ||
523 | start = s_chan[ch].pLoop; | |
e11ae5c5 | 524 | } |
525 | ||
526 | if (start - spuMemC >= 0x80000) | |
527 | start = (unsigned char*)-1; | |
528 | ||
381ea103 | 529 | s_chan[ch].pCurr = start; // store values for next cycle |
e11ae5c5 | 530 | |
531 | return ret; | |
532 | } | |
533 | ||
07a6dd2c | 534 | // do block, but ignore sample data |
535 | static int skip_block(int ch) | |
536 | { | |
537 | unsigned char *start = s_chan[ch].pCurr; | |
538 | int flags = start[1]; | |
539 | int ret = 0; | |
540 | ||
541 | // Tron Bonne hack, probably wrong (could be wrong memory contents..) | |
542 | if(flags & ~7) flags = 0; | |
543 | ||
544 | if(start == pSpuIrq) | |
545 | { | |
546 | do_irq(); | |
547 | ret = 1; | |
548 | } | |
549 | ||
381ea103 | 550 | if(flags & 4) |
07a6dd2c | 551 | s_chan[ch].pLoop=start; |
552 | ||
553 | s_chan[ch].pCurr += 16; | |
554 | ||
555 | if(flags & 1) | |
556 | s_chan[ch].pCurr = s_chan[ch].pLoop; | |
557 | ||
558 | return ret; | |
559 | } | |
560 | ||
561 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ | |
562 | static int do_samples_##name(int ch, int ns, int ns_to) \ | |
563 | { \ | |
564 | int sinc = s_chan[ch].sinc; \ | |
565 | int spos = s_chan[ch].spos; \ | |
381ea103 | 566 | int sbpos = s_chan[ch].iSBPos; \ |
567 | int *SB = s_chan[ch].SB; \ | |
07a6dd2c | 568 | int ret = -1; \ |
569 | int d, fa; \ | |
570 | interp_start; \ | |
571 | \ | |
572 | for (; ns < ns_to; ns++) \ | |
573 | { \ | |
574 | fmod_code; \ | |
575 | \ | |
576 | while (spos >= 0x10000) \ | |
577 | { \ | |
381ea103 | 578 | if(sbpos == 28) \ |
07a6dd2c | 579 | { \ |
381ea103 | 580 | sbpos = 0; \ |
07a6dd2c | 581 | d = decode_block(ch); \ |
582 | if(d && iSPUIRQWait) \ | |
583 | { \ | |
584 | ret = ns; \ | |
585 | goto out; \ | |
586 | } \ | |
587 | } \ | |
588 | \ | |
381ea103 | 589 | fa = SB[sbpos++]; \ |
07a6dd2c | 590 | interp1_code; \ |
591 | spos -= 0x10000; \ | |
592 | } \ | |
593 | \ | |
594 | interp2_code; \ | |
595 | spos += sinc; \ | |
596 | } \ | |
597 | \ | |
598 | out: \ | |
599 | s_chan[ch].sinc = sinc; \ | |
600 | s_chan[ch].spos = spos; \ | |
381ea103 | 601 | s_chan[ch].iSBPos = sbpos; \ |
07a6dd2c | 602 | interp_end; \ |
603 | \ | |
604 | return ret; \ | |
605 | } | |
606 | ||
607 | #define fmod_recv_check \ | |
608 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ | |
609 | sinc = FModChangeFrequency(ch,ns) | |
610 | ||
611 | make_do_samples(default, fmod_recv_check, , | |
612 | StoreInterpolationVal(ch, fa), | |
613 | ChanBuf[ns] = iGetInterpolationVal(ch), ) | |
614 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) | |
615 | ||
616 | #define simple_interp_store \ | |
617 | s_chan[ch].SB[28] = 0; \ | |
618 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ | |
619 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ | |
620 | s_chan[ch].SB[31] = fa; \ | |
621 | s_chan[ch].SB[32] = 1 | |
622 | ||
623 | #define simple_interp_get \ | |
624 | if(sinc<0x10000) /* -> upsampling? */ \ | |
625 | InterpolateUp(ch); /* --> interpolate up */ \ | |
626 | else InterpolateDown(ch); /* --> else down */ \ | |
627 | ChanBuf[ns] = s_chan[ch].SB[29] | |
628 | ||
629 | make_do_samples(simple, , , | |
630 | simple_interp_store, simple_interp_get, ) | |
631 | ||
632 | static int do_samples_noise(int ch, int ns, int ns_to) | |
633 | { | |
634 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); | |
635 | while (s_chan[ch].spos >= 28*0x10000) | |
636 | { | |
637 | skip_block(ch); | |
638 | s_chan[ch].spos -= 28*0x10000; | |
639 | } | |
640 | ||
641 | for (; ns < ns_to; ns++) | |
642 | ChanBuf[ns] = iGetNoiseVal(ch); | |
643 | ||
644 | return -1; | |
645 | } | |
646 | ||
ef79bbde P |
647 | //////////////////////////////////////////////////////////////////////// |
648 | // MAIN SPU FUNCTION | |
649 | // here is the main job handler... thread, timer or direct func call | |
650 | // basically the whole sound processing is done in this fat func! | |
651 | //////////////////////////////////////////////////////////////////////// | |
652 | ||
653 | // 5 ms waiting phase, if buffer is full and no new sound has to get started | |
654 | // .. can be made smaller (smallest val: 1 ms), but bigger waits give | |
655 | // better performance | |
656 | ||
657 | #define PAUSE_W 5 | |
658 | #define PAUSE_L 5000 | |
659 | ||
660 | //////////////////////////////////////////////////////////////////////// | |
661 | ||
662 | static void *MAINThread(void *arg) | |
663 | { | |
9e7a7352 | 664 | int volmult = iVolume; |
07a6dd2c | 665 | int ns,ns_from,ns_to; |
e11ae5c5 | 666 | int ch,d; |
ef79bbde P |
667 | int bIRQReturn=0; |
668 | ||
669 | while(!bEndThread) // until we are shutting down | |
670 | { | |
671 | // ok, at the beginning we are looking if there is | |
672 | // enuff free place in the dsound/oss buffer to | |
673 | // fill in new data, or if there is a new channel to start. | |
674 | // if not, we wait (thread) or return (timer/spuasync) | |
675 | // until enuff free place is available/a new channel gets | |
676 | // started | |
677 | ||
678 | if(dwNewChannel) // new channel should start immedately? | |
679 | { // (at least one bit 0 ... MAXCHANNEL is set?) | |
680 | iSecureStart++; // -> set iSecure | |
681 | 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) | |
682 | } | |
683 | else iSecureStart=0; // 0: no new channel should start | |
684 | ||
685 | while(!iSecureStart && !bEndThread && // no new start? no thread end? | |
686 | (SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer? | |
687 | { | |
688 | iSecureStart=0; // reset secure | |
689 | ||
690 | if(iUseTimer) return 0; // linux no-thread mode? bye | |
691 | usleep(PAUSE_L); // else sleep for x ms (linux) | |
692 | ||
693 | if(dwNewChannel) iSecureStart=1; // if a new channel kicks in (or, of course, sound buffer runs low), we will leave the loop | |
694 | } | |
695 | ||
696 | //--------------------------------------------------// continue from irq handling in timer mode? | |
697 | ||
8680e822 | 698 | ns_from=0; |
699 | ns_to=NSSIZE; | |
700 | ch=0; | |
ef79bbde P |
701 | if(lastch>=0) // will be -1 if no continue is pending |
702 | { | |
e11ae5c5 | 703 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
ef79bbde P |
704 | } |
705 | ||
706 | //--------------------------------------------------// | |
707 | //- main channel loop -// | |
708 | //--------------------------------------------------// | |
709 | { | |
8680e822 | 710 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
ef79bbde | 711 | { |
6d866bb7 | 712 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
713 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next | |
ef79bbde P |
714 | |
715 | if(s_chan[ch].iActFreq!=s_chan[ch].iUsedFreq) // new psx frequency? | |
716 | VoiceChangeFrequency(ch); | |
717 | ||
07a6dd2c | 718 | if(s_chan[ch].bNoise) |
719 | d=do_samples_noise(ch, ns_from, ns_to); | |
720 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) | |
721 | d=do_samples_noint(ch, ns_from, ns_to); | |
722 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) | |
723 | d=do_samples_simple(ch, ns_from, ns_to); | |
724 | else | |
725 | d=do_samples_default(ch, ns_from, ns_to); | |
726 | if(d>=0) | |
ef79bbde | 727 | { |
07a6dd2c | 728 | bIRQReturn=1; |
729 | lastch=ch; | |
730 | lastns=ns_to=d; | |
1ab7621a | 731 | } |
ef79bbde | 732 | |
1ab7621a | 733 | MixADSR(ch, ns_from, ns_to); |
734 | ||
735 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
736 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); | |
1775933a | 737 | else |
1ab7621a | 738 | { |
1775933a | 739 | int lv=s_chan[ch].iLeftVolume; |
740 | int rv=s_chan[ch].iRightVolume; | |
ef79bbde | 741 | |
1775933a | 742 | for(ns=ns_from;ns<ns_to;ns++) |
ef79bbde | 743 | { |
1775933a | 744 | int sval = ChanBuf[ns]; |
745 | int l, r; | |
746 | ||
ef79bbde P |
747 | ////////////////////////////////////////////// |
748 | // ok, left/right sound volume (psx volume goes from 0 ... 0x3fff) | |
749 | ||
1775933a | 750 | l=(sval*lv)>>14; |
751 | r=(sval*rv)>>14; | |
752 | SSumLR[ns*2] +=l; | |
753 | SSumLR[ns*2+1]+=r; | |
ef79bbde P |
754 | |
755 | ////////////////////////////////////////////// | |
756 | // now let us store sound data for reverb | |
757 | ||
1775933a | 758 | if(s_chan[ch].bRVBActive) StoreREVERB(ch,ns,l,r); |
ef79bbde | 759 | } |
ef79bbde | 760 | } |
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 | { | |
769 | if(dwChannelOn&(1<<ch)) continue; // already handled | |
770 | if(s_chan[ch].pCurr == (unsigned char *)-1) | |
771 | continue; | |
772 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) | |
773 | continue; | |
774 | ||
775 | if(s_chan[ch].iActFreq!=s_chan[ch].iUsedFreq) // new psx frequency? | |
776 | VoiceChangeFrequency(ch); | |
777 | ||
778 | s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; | |
779 | while(s_chan[ch].spos >= 28 * 0x10000) | |
780 | { | |
781 | unsigned char *start=s_chan[ch].pCurr; | |
78c60846 | 782 | |
07a6dd2c | 783 | bIRQReturn |= skip_block(ch); |
784 | if(start == s_chan[ch].pCurr) | |
78c60846 | 785 | { |
786 | // looping on self | |
787 | s_chan[ch].pCurr=(unsigned char *)-1; | |
788 | break; | |
789 | } | |
790 | ||
78c60846 | 791 | s_chan[ch].spos -= 28 * 0x10000; |
792 | } | |
793 | } | |
794 | ||
e11ae5c5 | 795 | if(bIRQReturn && iSPUIRQWait) // special return for "spu irq - wait for cpu action" |
8680e822 | 796 | { |
e11ae5c5 | 797 | iSpuAsyncWait=1; |
8680e822 | 798 | bIRQReturn=0; |
799 | if(iUseTimer!=2) | |
800 | { | |
801 | DWORD dwWatchTime=timeGetTime_spu()+2500; | |
802 | ||
803 | while(iSpuAsyncWait && !bEndThread && | |
804 | timeGetTime_spu()<dwWatchTime) | |
805 | usleep(1000L); | |
806 | continue; | |
807 | } | |
808 | else | |
809 | { | |
810 | return 0; | |
811 | } | |
812 | } | |
813 | ||
814 | ||
ef79bbde P |
815 | //---------------------------------------------------// |
816 | //- here we have another 1 ms of sound data | |
817 | //---------------------------------------------------// | |
818 | // mix XA infos (if any) | |
819 | ||
820 | MixXA(); | |
821 | ||
822 | /////////////////////////////////////////////////////// | |
823 | // mix all channels (including reverb) into one buffer | |
824 | ||
1775933a | 825 | if(iUseReverb) |
826 | REVERBDo(); | |
827 | ||
828 | if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) | |
829 | { | |
830 | memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); | |
831 | pS += NSSIZE*2; | |
832 | } | |
833 | else | |
97ea4077 | 834 | for (ns = 0; ns < NSSIZE*2; ) |
ef79bbde | 835 | { |
9e7a7352 | 836 | d = SSumLR[ns]; SSumLR[ns] = 0; |
837 | d = d * volmult >> 10; | |
1775933a | 838 | ssat32_to_16(d); |
ef79bbde | 839 | *pS++ = d; |
97ea4077 | 840 | ns++; |
ef79bbde | 841 | |
9e7a7352 | 842 | d = SSumLR[ns]; SSumLR[ns] = 0; |
843 | d = d * volmult >> 10; | |
1775933a | 844 | ssat32_to_16(d); |
ef79bbde | 845 | *pS++ = d; |
97ea4077 | 846 | ns++; |
ef79bbde P |
847 | } |
848 | ||
849 | ////////////////////////////////////////////////////// | |
850 | // special irq handling in the decode buffers (0x0000-0x1000) | |
851 | // we know: | |
852 | // the decode buffers are located in spu memory in the following way: | |
853 | // 0x0000-0x03ff CD audio left | |
854 | // 0x0400-0x07ff CD audio right | |
855 | // 0x0800-0x0bff Voice 1 | |
856 | // 0x0c00-0x0fff Voice 3 | |
857 | // and decoded data is 16 bit for one sample | |
858 | // we assume: | |
859 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
860 | // play positions will move on and wrap after 0x400 bytes. | |
861 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
862 | // increase this pointer on each sample by 2 bytes. If this pointer | |
863 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
864 | // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here | |
865 | // in some of Peops timer modes. So: we ignore this option here (for now). | |
866 | ||
3fc2a4c2 | 867 | if(pMixIrq) |
ef79bbde P |
868 | { |
869 | for(ns=0;ns<NSSIZE;ns++) | |
870 | { | |
871 | if((spuCtrl&0x40) && pSpuIrq && pSpuIrq<spuMemC+0x1000) | |
872 | { | |
873 | for(ch=0;ch<4;ch++) | |
874 | { | |
875 | if(pSpuIrq>=pMixIrq+(ch*0x400) && pSpuIrq<pMixIrq+(ch*0x400)+2) | |
3fc2a4c2 | 876 | do_irq(); |
ef79bbde P |
877 | } |
878 | } | |
879 | pMixIrq+=2;if(pMixIrq>spuMemC+0x3ff) pMixIrq=spuMemC; | |
880 | } | |
881 | } | |
882 | ||
883 | InitREVERB(); | |
884 | ||
885 | // feed the sound | |
886 | // wanna have around 1/60 sec (16.666 ms) updates | |
381ea103 | 887 | if (iCycle++ > 16/FRAG_MSECS) |
ef79bbde P |
888 | { |
889 | SoundFeedStreamData((unsigned char *)pSpuBuffer, | |
890 | ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); | |
891 | pS = (short *)pSpuBuffer; | |
892 | iCycle = 0; | |
893 | } | |
894 | } | |
895 | ||
896 | // end of big main loop... | |
897 | ||
898 | bThreadEnded = 1; | |
899 | ||
900 | return 0; | |
901 | } | |
902 | ||
903 | // SPU ASYNC... even newer epsxe func | |
904 | // 1 time every 'cycle' cycles... harhar | |
905 | ||
906 | void CALLBACK SPUasync(unsigned long cycle) | |
907 | { | |
908 | if(iSpuAsyncWait) | |
909 | { | |
910 | iSpuAsyncWait++; | |
381ea103 | 911 | if(iSpuAsyncWait<=16/FRAG_MSECS) return; |
ef79bbde P |
912 | iSpuAsyncWait=0; |
913 | } | |
914 | ||
915 | if(iUseTimer==2) // special mode, only used in Linux by this spu (or if you enable the experimental Windows mode) | |
916 | { | |
917 | if(!bSpuInit) return; // -> no init, no call | |
918 | ||
919 | MAINThread(0); // -> linux high-compat mode | |
17ed0d69 | 920 | |
921 | // abuse iSpuAsyncWait mechanism to reduce calls to above function | |
922 | // to make it do larger chunks | |
923 | // note: doing it less often than once per frame causes skips | |
924 | iSpuAsyncWait=1; | |
ef79bbde P |
925 | } |
926 | } | |
927 | ||
928 | // SPU UPDATE... new epsxe func | |
929 | // 1 time every 32 hsync lines | |
930 | // (312/32)x50 in pal | |
931 | // (262/32)x60 in ntsc | |
932 | ||
933 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
934 | // leave that func in the linux port, until epsxe linux is using | |
935 | // the async function as well | |
936 | ||
937 | void CALLBACK SPUupdate(void) | |
938 | { | |
939 | SPUasync(0); | |
940 | } | |
941 | ||
942 | // XA AUDIO | |
943 | ||
944 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
945 | { | |
946 | if(!xap) return; | |
947 | if(!xap->freq) return; // no xa freq ? bye | |
948 | ||
949 | FeedXA(xap); // call main XA feeder | |
950 | } | |
951 | ||
952 | // CDDA AUDIO | |
953 | void CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) | |
954 | { | |
955 | if (!pcm) return; | |
956 | if (nbytes<=0) return; | |
957 | ||
958 | FeedCDDA((unsigned char *)pcm, nbytes); | |
959 | } | |
960 | ||
961 | // SETUPTIMER: init of certain buffers and threads/timers | |
962 | void SetupTimer(void) | |
963 | { | |
97ea4077 | 964 | memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers |
ef79bbde P |
965 | memset(iFMod,0,NSSIZE*sizeof(int)); |
966 | pS=(short *)pSpuBuffer; // setup soundbuffer pointer | |
967 | ||
968 | bEndThread=0; // init thread vars | |
969 | bThreadEnded=0; | |
970 | bSpuInit=1; // flag: we are inited | |
971 | ||
972 | if(!iUseTimer) // linux: use thread | |
973 | { | |
974 | pthread_create(&thread, NULL, MAINThread, NULL); | |
975 | } | |
976 | } | |
977 | ||
978 | // REMOVETIMER: kill threads/timers | |
979 | void RemoveTimer(void) | |
980 | { | |
981 | bEndThread=1; // raise flag to end thread | |
982 | ||
983 | if(!iUseTimer) // linux tread? | |
984 | { | |
985 | int i=0; | |
986 | while(!bThreadEnded && i<2000) {usleep(1000L);i++;} // -> wait until thread has ended | |
987 | if(thread!=(pthread_t)-1) {pthread_cancel(thread);thread=(pthread_t)-1;} // -> cancel thread anyway | |
988 | } | |
989 | ||
990 | bThreadEnded=0; // no more spu is running | |
991 | bSpuInit=0; | |
992 | } | |
993 | ||
994 | // SETUPSTREAMS: init most of the spu buffers | |
995 | void SetupStreams(void) | |
996 | { | |
997 | int i; | |
998 | ||
999 | pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer | |
1000 | ||
1001 | if(iUseReverb==1) i=88200*2; | |
1002 | else i=NSSIZE*2; | |
1003 | ||
1004 | sRVBStart = (int *)malloc(i*4); // alloc reverb buffer | |
1005 | memset(sRVBStart,0,i*4); | |
1006 | sRVBEnd = sRVBStart + i; | |
1007 | sRVBPlay = sRVBStart; | |
1008 | ||
1009 | XAStart = // alloc xa buffer | |
1010 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); | |
1011 | XAEnd = XAStart + 44100; | |
1012 | XAPlay = XAStart; | |
1013 | XAFeed = XAStart; | |
1014 | ||
1015 | CDDAStart = // alloc cdda buffer | |
1016 | (uint32_t *)malloc(16384 * sizeof(uint32_t)); | |
1017 | CDDAEnd = CDDAStart + 16384; | |
1018 | CDDAPlay = CDDAStart; | |
b8e744ce | 1019 | CDDAFeed = CDDAStart; |
ef79bbde P |
1020 | |
1021 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
1022 | { | |
1023 | // we don't use mutex sync... not needed, would only | |
1024 | // slow us down: | |
1025 | // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); | |
6d866bb7 | 1026 | s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
ef79bbde P |
1027 | s_chan[i].pLoop=spuMemC; |
1028 | s_chan[i].pStart=spuMemC; | |
1029 | s_chan[i].pCurr=spuMemC; | |
1030 | } | |
1031 | ||
1032 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address | |
1033 | } | |
1034 | ||
1035 | // REMOVESTREAMS: free most buffer | |
1036 | void RemoveStreams(void) | |
1037 | { | |
1038 | free(pSpuBuffer); // free mixing buffer | |
1039 | pSpuBuffer = NULL; | |
1040 | free(sRVBStart); // free reverb buffer | |
1041 | sRVBStart = NULL; | |
1042 | free(XAStart); // free XA buffer | |
1043 | XAStart = NULL; | |
1044 | free(CDDAStart); // free CDDA buffer | |
1045 | CDDAStart = NULL; | |
1046 | } | |
1047 | ||
1048 | // INIT/EXIT STUFF | |
1049 | ||
1050 | // SPUINIT: this func will be called first by the main emu | |
1051 | long CALLBACK SPUinit(void) | |
1052 | { | |
1053 | spuMemC = (unsigned char *)spuMem; // just small setup | |
1054 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); | |
1055 | InitADSR(); | |
1056 | ||
ef79bbde P |
1057 | spuIrq = 0; |
1058 | spuAddr = 0xffffffff; | |
1059 | bEndThread = 0; | |
1060 | bThreadEnded = 0; | |
1061 | spuMemC = (unsigned char *)spuMem; | |
1062 | pMixIrq = 0; | |
1063 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); | |
1064 | pSpuIrq = 0; | |
cdb31c95 | 1065 | //iSPUIRQWait = 0; |
ef79bbde P |
1066 | lastch = -1; |
1067 | ||
d7296e10 | 1068 | //ReadConfigSPU(); // read user stuff |
ef79bbde P |
1069 | SetupStreams(); // prepare streaming |
1070 | ||
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | // SPUOPEN: called by main emu after init | |
1075 | long CALLBACK SPUopen(void) | |
1076 | { | |
1077 | if (bSPUIsOpen) return 0; // security for some stupid main emus | |
1078 | ||
1079 | SetupSound(); // setup sound (before init!) | |
1080 | SetupTimer(); // timer for feeding data | |
1081 | ||
1082 | bSPUIsOpen = 1; | |
1083 | ||
1084 | return PSE_SPU_ERR_SUCCESS; | |
1085 | } | |
1086 | ||
1087 | // SPUCLOSE: called before shutdown | |
1088 | long CALLBACK SPUclose(void) | |
1089 | { | |
1090 | if (!bSPUIsOpen) return 0; // some security | |
1091 | ||
1092 | bSPUIsOpen = 0; // no more open | |
1093 | ||
1094 | RemoveTimer(); // no more feeding | |
1095 | RemoveSound(); // no more sound handling | |
1096 | ||
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | // SPUSHUTDOWN: called by main emu on final exit | |
1101 | long CALLBACK SPUshutdown(void) | |
1102 | { | |
1103 | SPUclose(); | |
1104 | RemoveStreams(); // no more streaming | |
1105 | ||
1106 | return 0; | |
1107 | } | |
1108 | ||
1109 | // SPUTEST: we don't test, we are always fine ;) | |
1110 | long CALLBACK SPUtest(void) | |
1111 | { | |
1112 | return 0; | |
1113 | } | |
1114 | ||
1115 | // SPUCONFIGURE: call config dialog | |
1116 | long CALLBACK SPUconfigure(void) | |
1117 | { | |
1118 | #ifdef _MACOSX | |
1119 | DoConfiguration(); | |
1120 | #else | |
ee849648 | 1121 | // StartCfgTool("CFG"); |
ef79bbde P |
1122 | #endif |
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | // SPUABOUT: show about window | |
1127 | void CALLBACK SPUabout(void) | |
1128 | { | |
1129 | #ifdef _MACOSX | |
1130 | DoAbout(); | |
1131 | #else | |
ee849648 | 1132 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1133 | #endif |
1134 | } | |
1135 | ||
1136 | // SETUP CALLBACKS | |
1137 | // this functions will be called once, | |
1138 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1139 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1140 | { | |
1141 | irqCallback = callback; | |
1142 | } | |
1143 | ||
1144 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1145 | { | |
1146 | cddavCallback = CDDAVcallback; | |
1147 | } | |
1148 | ||
1149 | // COMMON PLUGIN INFO FUNCS | |
e906c010 | 1150 | /* |
ef79bbde P |
1151 | char * CALLBACK PSEgetLibName(void) |
1152 | { | |
1153 | return _(libraryName); | |
1154 | } | |
1155 | ||
1156 | unsigned long CALLBACK PSEgetLibType(void) | |
1157 | { | |
1158 | return PSE_LT_SPU; | |
1159 | } | |
1160 | ||
1161 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1162 | { | |
1163 | return (1 << 16) | (6 << 8); | |
1164 | } | |
1165 | ||
1166 | char * SPUgetLibInfos(void) | |
1167 | { | |
1168 | return _(libraryInfo); | |
1169 | } | |
e906c010 | 1170 | */ |
6d866bb7 | 1171 | |
90f1d26c | 1172 | // debug |
1173 | void spu_get_debug_info(int *chans_out, int *fmod_chans_out, int *noise_chans_out) | |
1174 | { | |
1175 | int ch = 0, fmod_chans = 0, noise_chans = 0; | |
1176 | ||
1177 | for(;ch<MAXCHAN;ch++) | |
1178 | { | |
1179 | if (!(dwChannelOn & (1<<ch))) | |
1180 | continue; | |
1181 | if (s_chan[ch].bFMod == 2) | |
1182 | fmod_chans |= 1 << ch; | |
1183 | if (s_chan[ch].bNoise) | |
1184 | noise_chans |= 1 << ch; | |
1185 | } | |
1186 | ||
1187 | *chans_out = dwChannelOn; | |
1188 | *fmod_chans_out = fmod_chans; | |
1189 | *noise_chans_out = noise_chans; | |
1190 | } | |
1191 | ||
6d866bb7 | 1192 | // vim:shiftwidth=1:expandtab |