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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 | ||
983a7cfd | 135 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
136 | ||
ef79bbde P |
137 | //////////////////////////////////////////////////////////////////////// |
138 | // CODE AREA | |
139 | //////////////////////////////////////////////////////////////////////// | |
140 | ||
141 | // dirty inline func includes | |
142 | ||
143 | #include "reverb.c" | |
144 | #include "adsr.c" | |
145 | ||
146 | //////////////////////////////////////////////////////////////////////// | |
147 | // helpers for simple interpolation | |
148 | ||
149 | // | |
150 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
151 | // | |
152 | // instead of having n equal sample values in a row like: | |
153 | // ____ | |
154 | // |____ | |
155 | // | |
156 | // we compare the current delta change with the next delta change. | |
157 | // | |
158 | // if curr_delta is positive, | |
159 | // | |
160 | // - and next delta is smaller (or changing direction): | |
161 | // \. | |
162 | // -__ | |
163 | // | |
164 | // - and next delta significant (at least twice) bigger: | |
165 | // --_ | |
166 | // \. | |
167 | // | |
168 | // - and next delta is nearly same: | |
169 | // \. | |
170 | // \. | |
171 | // | |
172 | // | |
173 | // if curr_delta is negative, | |
174 | // | |
175 | // - and next delta is smaller (or changing direction): | |
176 | // _-- | |
177 | // / | |
178 | // | |
179 | // - and next delta significant (at least twice) bigger: | |
180 | // / | |
181 | // __- | |
182 | // | |
183 | // - and next delta is nearly same: | |
184 | // / | |
185 | // / | |
186 | // | |
187 | ||
188 | ||
189 | INLINE void InterpolateUp(int ch) | |
190 | { | |
191 | if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass | |
192 | { | |
193 | const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val | |
194 | const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) | |
195 | ||
196 | s_chan[ch].SB[32]=0; | |
197 | ||
198 | if(id1>0) // curr delta positive | |
199 | { | |
200 | if(id2<id1) | |
201 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
202 | else | |
203 | if(id2<(id1<<1)) | |
204 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
205 | else | |
206 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
207 | } | |
208 | else // curr delta negative | |
209 | { | |
210 | if(id2>id1) | |
211 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
212 | else | |
213 | if(id2>(id1<<1)) | |
214 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
215 | else | |
216 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
217 | } | |
218 | } | |
219 | else | |
220 | if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass | |
221 | { | |
222 | s_chan[ch].SB[32]=0; | |
223 | ||
224 | s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; | |
225 | if(s_chan[ch].sinc<=0x8000) | |
226 | s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); | |
227 | else s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
228 | } | |
229 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
230 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
231 | } | |
232 | ||
233 | // | |
234 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
235 | // | |
236 | ||
237 | INLINE void InterpolateDown(int ch) | |
238 | { | |
239 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? | |
240 | { | |
241 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight | |
242 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? | |
243 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight | |
244 | } | |
245 | } | |
246 | ||
247 | //////////////////////////////////////////////////////////////////////// | |
248 | // helpers for gauss interpolation | |
249 | ||
250 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) | |
251 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) | |
252 | ||
253 | #include "gauss_i.h" | |
254 | ||
255 | //////////////////////////////////////////////////////////////////////// | |
256 | ||
257 | #include "xa.c" | |
258 | ||
259 | //////////////////////////////////////////////////////////////////////// | |
260 | // START SOUND... called by main thread to setup a new sound on a channel | |
261 | //////////////////////////////////////////////////////////////////////// | |
262 | ||
263 | INLINE void StartSound(int ch) | |
264 | { | |
265 | StartADSR(ch); | |
266 | StartREVERB(ch); | |
267 | ||
b00afb77 | 268 | // fussy timing issues - do in VoiceOn |
269 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start | |
270 | //s_chan[ch].bStop=0; | |
271 | //s_chan[ch].bOn=1; | |
ef79bbde | 272 | |
381ea103 | 273 | s_chan[ch].SB[26]=0; // init mixing vars |
274 | s_chan[ch].SB[27]=0; | |
ef79bbde P |
275 | s_chan[ch].iSBPos=28; |
276 | ||
ef79bbde P |
277 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
278 | s_chan[ch].SB[30]=0; | |
279 | ||
280 | if(iUseInterpolation>=2) // gauss interpolation? | |
281 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding | |
282 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding | |
283 | ||
284 | dwNewChannel&=~(1<<ch); // clear new channel bit | |
285 | } | |
286 | ||
287 | //////////////////////////////////////////////////////////////////////// | |
288 | // ALL KIND OF HELPERS | |
289 | //////////////////////////////////////////////////////////////////////// | |
290 | ||
07a6dd2c | 291 | INLINE int FModChangeFrequency(int ch,int ns) |
ef79bbde | 292 | { |
7e44d49d | 293 | unsigned int NP=s_chan[ch].iRawPitch; |
07a6dd2c | 294 | int sinc; |
ef79bbde P |
295 | |
296 | NP=((32768L+iFMod[ns])*NP)/32768L; | |
297 | ||
298 | if(NP>0x3fff) NP=0x3fff; | |
299 | if(NP<0x1) NP=0x1; | |
300 | ||
7e44d49d | 301 | sinc=NP<<4; // calc frequency |
ef79bbde | 302 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
07a6dd2c | 303 | s_chan[ch].SB[32]=1; |
ef79bbde | 304 | iFMod[ns]=0; |
07a6dd2c | 305 | |
306 | return sinc; | |
ef79bbde P |
307 | } |
308 | ||
309 | //////////////////////////////////////////////////////////////////////// | |
310 | ||
ef79bbde P |
311 | INLINE void StoreInterpolationVal(int ch,int fa) |
312 | { | |
313 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
314 | s_chan[ch].SB[29]=fa; | |
315 | else | |
316 | { | |
381ea103 | 317 | ssat32_to_16(fa); |
ef79bbde P |
318 | |
319 | if(iUseInterpolation>=2) // gauss/cubic interpolation | |
320 | { | |
321 | int gpos = s_chan[ch].SB[28]; | |
322 | gval0 = fa; | |
323 | gpos = (gpos+1) & 3; | |
324 | s_chan[ch].SB[28] = gpos; | |
325 | } | |
326 | else | |
327 | if(iUseInterpolation==1) // simple interpolation | |
328 | { | |
329 | s_chan[ch].SB[28] = 0; | |
330 | 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' | |
331 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; | |
332 | s_chan[ch].SB[31] = fa; | |
333 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation | |
334 | } | |
335 | else s_chan[ch].SB[29]=fa; // no interpolation | |
336 | } | |
337 | } | |
338 | ||
339 | //////////////////////////////////////////////////////////////////////// | |
340 | ||
341 | INLINE int iGetInterpolationVal(int ch) | |
342 | { | |
343 | int fa; | |
344 | ||
345 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; | |
346 | ||
347 | switch(iUseInterpolation) | |
348 | { | |
349 | //--------------------------------------------------// | |
350 | case 3: // cubic interpolation | |
351 | { | |
352 | long xd;int gpos; | |
353 | xd = ((s_chan[ch].spos) >> 1)+1; | |
354 | gpos = s_chan[ch].SB[28]; | |
355 | ||
356 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
357 | fa *= (xd - (2<<15)) / 6; | |
358 | fa >>= 15; | |
359 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
360 | fa *= (xd - (1<<15)) >> 1; | |
361 | fa >>= 15; | |
362 | fa += gval(1) - gval0; | |
363 | fa *= xd; | |
364 | fa >>= 15; | |
365 | fa = fa + gval0; | |
366 | ||
367 | } break; | |
368 | //--------------------------------------------------// | |
369 | case 2: // gauss interpolation | |
370 | { | |
371 | int vl, vr;int gpos; | |
372 | vl = (s_chan[ch].spos >> 6) & ~3; | |
373 | gpos = s_chan[ch].SB[28]; | |
374 | vr=(gauss[vl]*gval0)&~2047; | |
375 | vr+=(gauss[vl+1]*gval(1))&~2047; | |
376 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
377 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
378 | fa = vr>>11; | |
379 | } break; | |
380 | //--------------------------------------------------// | |
381 | case 1: // simple interpolation | |
382 | { | |
383 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? | |
384 | InterpolateUp(ch); // --> interpolate up | |
385 | else InterpolateDown(ch); // --> else down | |
386 | fa=s_chan[ch].SB[29]; | |
387 | } break; | |
388 | //--------------------------------------------------// | |
389 | default: // no interpolation | |
390 | { | |
391 | fa=s_chan[ch].SB[29]; | |
392 | } break; | |
393 | //--------------------------------------------------// | |
394 | } | |
395 | ||
396 | return fa; | |
397 | } | |
398 | ||
3fc2a4c2 | 399 | static void do_irq(void) |
400 | { | |
401 | if(!(spuStat & STAT_IRQ)) | |
402 | { | |
403 | spuStat |= STAT_IRQ; | |
404 | if(irqCallback) irqCallback(); | |
405 | } | |
406 | } | |
407 | ||
381ea103 | 408 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
409 | { | |
410 | int nSample; | |
411 | int fa, s_1, s_2, d, s; | |
412 | ||
413 | s_1 = dest[27]; | |
414 | s_2 = dest[26]; | |
415 | ||
416 | for (nSample = 0; nSample < 28; src++) | |
417 | { | |
418 | d = (int)*src; | |
419 | s = (int)(signed short)((d & 0x0f) << 12); | |
420 | ||
421 | fa = s >> shift_factor; | |
422 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
423 | s_2=s_1;s_1=fa; | |
424 | ||
425 | dest[nSample++] = fa; | |
426 | ||
427 | s = (int)(signed short)((d & 0xf0) << 8); | |
428 | fa = s >> shift_factor; | |
429 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
430 | s_2=s_1;s_1=fa; | |
431 | ||
432 | dest[nSample++] = fa; | |
433 | } | |
434 | } | |
435 | ||
e11ae5c5 | 436 | static int decode_block(int ch) |
437 | { | |
438 | unsigned char *start; | |
381ea103 | 439 | int predict_nr,shift_factor,flags; |
e11ae5c5 | 440 | int ret = 0; |
441 | ||
e11ae5c5 | 442 | start=s_chan[ch].pCurr; // set up the current pos |
174c454a | 443 | if(dwPendingChanOff&(1<<ch)) |
e11ae5c5 | 444 | { |
445 | dwChannelOn&=~(1<<ch); // -> turn everything off | |
3fc2a4c2 | 446 | dwPendingChanOff&=~(1<<ch); |
e11ae5c5 | 447 | s_chan[ch].bStop=1; |
448 | s_chan[ch].ADSRX.EnvelopeVol=0; | |
e11ae5c5 | 449 | } |
450 | ||
3fc2a4c2 | 451 | //////////////////////////////////////////// irq check |
452 | ||
453 | if(spuCtrl&CTRL_IRQ) | |
454 | { | |
455 | if(pSpuIrq == start) // irq address reached? | |
456 | { | |
457 | do_irq(); // -> call main emu | |
458 | ret = 1; | |
459 | } | |
460 | } | |
e11ae5c5 | 461 | |
381ea103 | 462 | predict_nr=(int)start[0]; |
e11ae5c5 | 463 | shift_factor=predict_nr&0xf; |
464 | predict_nr >>= 4; | |
e11ae5c5 | 465 | |
381ea103 | 466 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 467 | |
e11ae5c5 | 468 | //////////////////////////////////////////// flag handler |
469 | ||
381ea103 | 470 | flags=(int)start[1]; |
471 | if(flags&4) | |
472 | s_chan[ch].pLoop=start; // loop adress | |
e11ae5c5 | 473 | |
381ea103 | 474 | start+=16; |
e11ae5c5 | 475 | if(flags&1) // 1: stop/loop |
476 | { | |
3fc2a4c2 | 477 | if(!(flags&2)) |
478 | dwPendingChanOff|=1<<ch; | |
479 | ||
480 | start = s_chan[ch].pLoop; | |
e11ae5c5 | 481 | } |
482 | ||
174c454a | 483 | if (start - spuMemC >= 0x80000) { |
484 | // most likely wrong | |
485 | start = spuMemC; | |
486 | printf("ch%d oflow\n", ch); | |
487 | } | |
e11ae5c5 | 488 | |
381ea103 | 489 | s_chan[ch].pCurr = start; // store values for next cycle |
be1cb678 | 490 | s_chan[ch].bJump = flags & 1; |
e11ae5c5 | 491 | |
492 | return ret; | |
493 | } | |
494 | ||
07a6dd2c | 495 | // do block, but ignore sample data |
496 | static int skip_block(int ch) | |
497 | { | |
498 | unsigned char *start = s_chan[ch].pCurr; | |
499 | int flags = start[1]; | |
500 | int ret = 0; | |
501 | ||
07a6dd2c | 502 | if(start == pSpuIrq) |
503 | { | |
504 | do_irq(); | |
505 | ret = 1; | |
506 | } | |
507 | ||
381ea103 | 508 | if(flags & 4) |
be1cb678 | 509 | s_chan[ch].pLoop = start; |
07a6dd2c | 510 | |
511 | s_chan[ch].pCurr += 16; | |
512 | ||
513 | if(flags & 1) | |
514 | s_chan[ch].pCurr = s_chan[ch].pLoop; | |
515 | ||
be1cb678 | 516 | s_chan[ch].bJump = flags & 1; |
07a6dd2c | 517 | return ret; |
518 | } | |
519 | ||
520 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ | |
521 | static int do_samples_##name(int ch, int ns, int ns_to) \ | |
522 | { \ | |
523 | int sinc = s_chan[ch].sinc; \ | |
524 | int spos = s_chan[ch].spos; \ | |
381ea103 | 525 | int sbpos = s_chan[ch].iSBPos; \ |
526 | int *SB = s_chan[ch].SB; \ | |
07a6dd2c | 527 | int ret = -1; \ |
528 | int d, fa; \ | |
529 | interp_start; \ | |
530 | \ | |
531 | for (; ns < ns_to; ns++) \ | |
532 | { \ | |
533 | fmod_code; \ | |
534 | \ | |
535 | while (spos >= 0x10000) \ | |
536 | { \ | |
381ea103 | 537 | if(sbpos == 28) \ |
07a6dd2c | 538 | { \ |
381ea103 | 539 | sbpos = 0; \ |
07a6dd2c | 540 | d = decode_block(ch); \ |
541 | if(d && iSPUIRQWait) \ | |
542 | { \ | |
543 | ret = ns; \ | |
544 | goto out; \ | |
545 | } \ | |
546 | } \ | |
547 | \ | |
381ea103 | 548 | fa = SB[sbpos++]; \ |
07a6dd2c | 549 | interp1_code; \ |
550 | spos -= 0x10000; \ | |
551 | } \ | |
552 | \ | |
553 | interp2_code; \ | |
554 | spos += sinc; \ | |
555 | } \ | |
556 | \ | |
557 | out: \ | |
558 | s_chan[ch].sinc = sinc; \ | |
559 | s_chan[ch].spos = spos; \ | |
381ea103 | 560 | s_chan[ch].iSBPos = sbpos; \ |
07a6dd2c | 561 | interp_end; \ |
562 | \ | |
563 | return ret; \ | |
564 | } | |
565 | ||
566 | #define fmod_recv_check \ | |
567 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ | |
568 | sinc = FModChangeFrequency(ch,ns) | |
569 | ||
570 | make_do_samples(default, fmod_recv_check, , | |
571 | StoreInterpolationVal(ch, fa), | |
572 | ChanBuf[ns] = iGetInterpolationVal(ch), ) | |
573 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) | |
574 | ||
575 | #define simple_interp_store \ | |
576 | s_chan[ch].SB[28] = 0; \ | |
577 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ | |
578 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ | |
579 | s_chan[ch].SB[31] = fa; \ | |
580 | s_chan[ch].SB[32] = 1 | |
581 | ||
582 | #define simple_interp_get \ | |
583 | if(sinc<0x10000) /* -> upsampling? */ \ | |
584 | InterpolateUp(ch); /* --> interpolate up */ \ | |
585 | else InterpolateDown(ch); /* --> else down */ \ | |
586 | ChanBuf[ns] = s_chan[ch].SB[29] | |
587 | ||
588 | make_do_samples(simple, , , | |
589 | simple_interp_store, simple_interp_get, ) | |
590 | ||
591 | static int do_samples_noise(int ch, int ns, int ns_to) | |
592 | { | |
b1094d0e | 593 | int level, shift, bit; |
594 | ||
07a6dd2c | 595 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); |
596 | while (s_chan[ch].spos >= 28*0x10000) | |
597 | { | |
598 | skip_block(ch); | |
599 | s_chan[ch].spos -= 28*0x10000; | |
600 | } | |
601 | ||
b1094d0e | 602 | // modified from DrHell/shalma, no fraction |
603 | level = (spuCtrl >> 10) & 0x0f; | |
604 | level = 0x8000 >> level; | |
605 | ||
07a6dd2c | 606 | for (; ns < ns_to; ns++) |
b1094d0e | 607 | { |
608 | dwNoiseCount += 2; | |
609 | if (dwNoiseCount >= level) | |
610 | { | |
611 | dwNoiseCount -= level; | |
612 | shift = (dwNoiseVal >> 10) & 0x1f; | |
613 | bit = (0x69696969 >> shift) & 1; | |
614 | if (dwNoiseVal & 0x8000) | |
615 | bit ^= 1; | |
616 | dwNoiseVal = (dwNoiseVal << 1) | bit; | |
617 | } | |
618 | ||
619 | ChanBuf[ns] = (signed short)dwNoiseVal; | |
620 | } | |
07a6dd2c | 621 | |
622 | return -1; | |
623 | } | |
624 | ||
a80ae4a0 | 625 | #ifdef __ARM_ARCH_7A__ |
b17618c0 | 626 | // asm code |
627 | extern void mix_chan(int start, int count, int lv, int rv); | |
628 | extern void mix_chan_rvb(int start, int count, int lv, int rv); | |
629 | #else | |
630 | static void mix_chan(int start, int count, int lv, int rv) | |
631 | { | |
632 | int *dst = SSumLR + start * 2; | |
633 | const int *src = ChanBuf + start; | |
634 | int l, r; | |
635 | ||
636 | while (count--) | |
637 | { | |
638 | int sval = *src++; | |
639 | ||
640 | l = (sval * lv) >> 14; | |
641 | r = (sval * rv) >> 14; | |
642 | *dst++ += l; | |
643 | *dst++ += r; | |
644 | } | |
645 | } | |
646 | ||
647 | static void mix_chan_rvb(int start, int count, int lv, int rv) | |
648 | { | |
649 | int *dst = SSumLR + start * 2; | |
650 | int *drvb = sRVBStart + start * 2; | |
651 | const int *src = ChanBuf + start; | |
652 | int l, r; | |
653 | ||
654 | while (count--) | |
655 | { | |
656 | int sval = *src++; | |
657 | ||
658 | l = (sval * lv) >> 14; | |
659 | r = (sval * rv) >> 14; | |
660 | *dst++ += l; | |
661 | *dst++ += r; | |
662 | *drvb++ += l; | |
663 | *drvb++ += r; | |
664 | } | |
665 | } | |
666 | #endif | |
667 | ||
ef79bbde P |
668 | //////////////////////////////////////////////////////////////////////// |
669 | // MAIN SPU FUNCTION | |
670 | // here is the main job handler... thread, timer or direct func call | |
671 | // basically the whole sound processing is done in this fat func! | |
672 | //////////////////////////////////////////////////////////////////////// | |
673 | ||
674 | // 5 ms waiting phase, if buffer is full and no new sound has to get started | |
675 | // .. can be made smaller (smallest val: 1 ms), but bigger waits give | |
676 | // better performance | |
677 | ||
678 | #define PAUSE_W 5 | |
679 | #define PAUSE_L 5000 | |
680 | ||
681 | //////////////////////////////////////////////////////////////////////// | |
682 | ||
683 | static void *MAINThread(void *arg) | |
684 | { | |
9e7a7352 | 685 | int volmult = iVolume; |
07a6dd2c | 686 | int ns,ns_from,ns_to; |
174c454a | 687 | int ch,d,silentch; |
ef79bbde P |
688 | int bIRQReturn=0; |
689 | ||
690 | while(!bEndThread) // until we are shutting down | |
691 | { | |
692 | // ok, at the beginning we are looking if there is | |
693 | // enuff free place in the dsound/oss buffer to | |
694 | // fill in new data, or if there is a new channel to start. | |
695 | // if not, we wait (thread) or return (timer/spuasync) | |
696 | // until enuff free place is available/a new channel gets | |
697 | // started | |
698 | ||
699 | if(dwNewChannel) // new channel should start immedately? | |
700 | { // (at least one bit 0 ... MAXCHANNEL is set?) | |
701 | iSecureStart++; // -> set iSecure | |
702 | 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) | |
703 | } | |
704 | else iSecureStart=0; // 0: no new channel should start | |
705 | ||
706 | while(!iSecureStart && !bEndThread && // no new start? no thread end? | |
707 | (SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer? | |
708 | { | |
709 | iSecureStart=0; // reset secure | |
710 | ||
711 | if(iUseTimer) return 0; // linux no-thread mode? bye | |
712 | usleep(PAUSE_L); // else sleep for x ms (linux) | |
713 | ||
714 | if(dwNewChannel) iSecureStart=1; // if a new channel kicks in (or, of course, sound buffer runs low), we will leave the loop | |
715 | } | |
716 | ||
717 | //--------------------------------------------------// continue from irq handling in timer mode? | |
718 | ||
8680e822 | 719 | ns_from=0; |
720 | ns_to=NSSIZE; | |
721 | ch=0; | |
ef79bbde P |
722 | if(lastch>=0) // will be -1 if no continue is pending |
723 | { | |
e11ae5c5 | 724 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
ef79bbde P |
725 | } |
726 | ||
174c454a | 727 | silentch=~(dwChannelOn|dwNewChannel); |
728 | ||
ef79bbde P |
729 | //--------------------------------------------------// |
730 | //- main channel loop -// | |
731 | //--------------------------------------------------// | |
732 | { | |
8680e822 | 733 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
ef79bbde | 734 | { |
6d866bb7 | 735 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
736 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next | |
ef79bbde | 737 | |
07a6dd2c | 738 | if(s_chan[ch].bNoise) |
739 | d=do_samples_noise(ch, ns_from, ns_to); | |
740 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) | |
741 | d=do_samples_noint(ch, ns_from, ns_to); | |
742 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) | |
743 | d=do_samples_simple(ch, ns_from, ns_to); | |
744 | else | |
745 | d=do_samples_default(ch, ns_from, ns_to); | |
746 | if(d>=0) | |
ef79bbde | 747 | { |
07a6dd2c | 748 | bIRQReturn=1; |
749 | lastch=ch; | |
750 | lastns=ns_to=d; | |
587fa7de | 751 | if(d==0) |
752 | break; | |
1ab7621a | 753 | } |
ef79bbde | 754 | |
1ab7621a | 755 | MixADSR(ch, ns_from, ns_to); |
756 | ||
757 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
758 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); | |
b17618c0 | 759 | else if(s_chan[ch].bRVBActive) |
760 | mix_chan_rvb(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); | |
1775933a | 761 | else |
b17618c0 | 762 | mix_chan(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
ef79bbde P |
763 | } |
764 | } | |
765 | ||
78c60846 | 766 | // advance "stopped" channels that can cause irqs |
767 | // (all chans are always playing on the real thing..) | |
768 | if(!bIRQReturn && (spuCtrl&CTRL_IRQ)) | |
769 | for(ch=0;ch<MAXCHAN;ch++) | |
770 | { | |
174c454a | 771 | if(!(silentch&(1<<ch))) continue; // already handled |
772 | if(dwChannelDead&(1<<ch)) continue; | |
78c60846 | 773 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) |
774 | continue; | |
775 | ||
78c60846 | 776 | s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; |
777 | while(s_chan[ch].spos >= 28 * 0x10000) | |
778 | { | |
7e44d49d | 779 | unsigned char *start = s_chan[ch].pCurr; |
78c60846 | 780 | |
a3ed1915 | 781 | // no need for bIRQReturn since the channel is silent |
782 | iSpuAsyncWait |= skip_block(ch); | |
07a6dd2c | 783 | if(start == s_chan[ch].pCurr) |
78c60846 | 784 | { |
785 | // looping on self | |
7e44d49d | 786 | dwChannelDead |= 1<<ch; |
787 | s_chan[ch].spos = 0; | |
78c60846 | 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 | |
983a7cfd | 953 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
ef79bbde | 954 | { |
983a7cfd | 955 | if (!pcm) return -1; |
956 | if (nbytes<=0) return -1; | |
ef79bbde | 957 | |
983a7cfd | 958 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
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 | |
983a7cfd | 1016 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
ef79bbde P |
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 | 1027 | s_chan[i].pLoop=spuMemC; |
ef79bbde P |
1028 | s_chan[i].pCurr=spuMemC; |
1029 | } | |
1030 | ||
1031 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address | |
1032 | } | |
1033 | ||
1034 | // REMOVESTREAMS: free most buffer | |
1035 | void RemoveStreams(void) | |
1036 | { | |
1037 | free(pSpuBuffer); // free mixing buffer | |
1038 | pSpuBuffer = NULL; | |
1039 | free(sRVBStart); // free reverb buffer | |
1040 | sRVBStart = NULL; | |
1041 | free(XAStart); // free XA buffer | |
1042 | XAStart = NULL; | |
1043 | free(CDDAStart); // free CDDA buffer | |
1044 | CDDAStart = NULL; | |
1045 | } | |
1046 | ||
1047 | // INIT/EXIT STUFF | |
1048 | ||
1049 | // SPUINIT: this func will be called first by the main emu | |
1050 | long CALLBACK SPUinit(void) | |
1051 | { | |
1052 | spuMemC = (unsigned char *)spuMem; // just small setup | |
1053 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); | |
1054 | InitADSR(); | |
1055 | ||
ef79bbde P |
1056 | spuIrq = 0; |
1057 | spuAddr = 0xffffffff; | |
1058 | bEndThread = 0; | |
1059 | bThreadEnded = 0; | |
1060 | spuMemC = (unsigned char *)spuMem; | |
1061 | pMixIrq = 0; | |
1062 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); | |
1063 | pSpuIrq = 0; | |
cdb31c95 | 1064 | //iSPUIRQWait = 0; |
ef79bbde P |
1065 | lastch = -1; |
1066 | ||
d7296e10 | 1067 | //ReadConfigSPU(); // read user stuff |
ef79bbde P |
1068 | SetupStreams(); // prepare streaming |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | // SPUOPEN: called by main emu after init | |
1074 | long CALLBACK SPUopen(void) | |
1075 | { | |
1076 | if (bSPUIsOpen) return 0; // security for some stupid main emus | |
1077 | ||
1078 | SetupSound(); // setup sound (before init!) | |
1079 | SetupTimer(); // timer for feeding data | |
1080 | ||
1081 | bSPUIsOpen = 1; | |
1082 | ||
1083 | return PSE_SPU_ERR_SUCCESS; | |
1084 | } | |
1085 | ||
1086 | // SPUCLOSE: called before shutdown | |
1087 | long CALLBACK SPUclose(void) | |
1088 | { | |
1089 | if (!bSPUIsOpen) return 0; // some security | |
1090 | ||
1091 | bSPUIsOpen = 0; // no more open | |
1092 | ||
1093 | RemoveTimer(); // no more feeding | |
1094 | RemoveSound(); // no more sound handling | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | // SPUSHUTDOWN: called by main emu on final exit | |
1100 | long CALLBACK SPUshutdown(void) | |
1101 | { | |
1102 | SPUclose(); | |
1103 | RemoveStreams(); // no more streaming | |
1104 | ||
1105 | return 0; | |
1106 | } | |
1107 | ||
1108 | // SPUTEST: we don't test, we are always fine ;) | |
1109 | long CALLBACK SPUtest(void) | |
1110 | { | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | // SPUCONFIGURE: call config dialog | |
1115 | long CALLBACK SPUconfigure(void) | |
1116 | { | |
1117 | #ifdef _MACOSX | |
1118 | DoConfiguration(); | |
1119 | #else | |
ee849648 | 1120 | // StartCfgTool("CFG"); |
ef79bbde P |
1121 | #endif |
1122 | return 0; | |
1123 | } | |
1124 | ||
1125 | // SPUABOUT: show about window | |
1126 | void CALLBACK SPUabout(void) | |
1127 | { | |
1128 | #ifdef _MACOSX | |
1129 | DoAbout(); | |
1130 | #else | |
ee849648 | 1131 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1132 | #endif |
1133 | } | |
1134 | ||
1135 | // SETUP CALLBACKS | |
1136 | // this functions will be called once, | |
1137 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1138 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1139 | { | |
1140 | irqCallback = callback; | |
1141 | } | |
1142 | ||
1143 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1144 | { | |
1145 | cddavCallback = CDDAVcallback; | |
1146 | } | |
1147 | ||
1148 | // COMMON PLUGIN INFO FUNCS | |
e906c010 | 1149 | /* |
ef79bbde P |
1150 | char * CALLBACK PSEgetLibName(void) |
1151 | { | |
1152 | return _(libraryName); | |
1153 | } | |
1154 | ||
1155 | unsigned long CALLBACK PSEgetLibType(void) | |
1156 | { | |
1157 | return PSE_LT_SPU; | |
1158 | } | |
1159 | ||
1160 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1161 | { | |
1162 | return (1 << 16) | (6 << 8); | |
1163 | } | |
1164 | ||
1165 | char * SPUgetLibInfos(void) | |
1166 | { | |
1167 | return _(libraryInfo); | |
1168 | } | |
e906c010 | 1169 | */ |
6d866bb7 | 1170 | |
90f1d26c | 1171 | // debug |
174c454a | 1172 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1173 | { |
174c454a | 1174 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1175 | |
1176 | for(;ch<MAXCHAN;ch++) | |
1177 | { | |
1178 | if (!(dwChannelOn & (1<<ch))) | |
1179 | continue; | |
1180 | if (s_chan[ch].bFMod == 2) | |
1181 | fmod_chans |= 1 << ch; | |
1182 | if (s_chan[ch].bNoise) | |
1183 | noise_chans |= 1 << ch; | |
174c454a | 1184 | if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq) |
1185 | irq_chans |= 1 << ch; | |
90f1d26c | 1186 | } |
1187 | ||
1188 | *chans_out = dwChannelOn; | |
174c454a | 1189 | *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans; |
90f1d26c | 1190 | *fmod_chans_out = fmod_chans; |
1191 | *noise_chans_out = noise_chans; | |
1192 | } | |
1193 | ||
6d866bb7 | 1194 | // vim:shiftwidth=1:expandtab |