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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 | 27 | #include "dsoundoss.h" |
ef79bbde P |
28 | |
29 | #ifdef ENABLE_NLS | |
30 | #include <libintl.h> | |
31 | #include <locale.h> | |
32 | #define _(x) gettext(x) | |
33 | #define N_(x) (x) | |
34 | #else | |
35 | #define _(x) (x) | |
36 | #define N_(x) (x) | |
37 | #endif | |
38 | ||
a80ae4a0 | 39 | #ifdef __ARM_ARCH_7A__ |
1775933a | 40 | #define ssat32_to_16(v) \ |
41 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
42 | #else | |
43 | #define ssat32_to_16(v) do { \ | |
44 | if (v < -32768) v = -32768; \ | |
45 | else if (v > 32767) v = 32767; \ | |
46 | } while (0) | |
47 | #endif | |
48 | ||
6d866bb7 | 49 | /* |
ef79bbde P |
50 | #if defined (USEMACOSX) |
51 | static char * libraryName = N_("Mac OS X Sound"); | |
52 | #elif defined (USEALSA) | |
53 | static char * libraryName = N_("ALSA Sound"); | |
54 | #elif defined (USEOSS) | |
55 | static char * libraryName = N_("OSS Sound"); | |
56 | #elif defined (USESDL) | |
57 | static char * libraryName = N_("SDL Sound"); | |
58 | #elif defined (USEPULSEAUDIO) | |
59 | static char * libraryName = N_("PulseAudio Sound"); | |
60 | #else | |
61 | static char * libraryName = N_("NULL Sound"); | |
62 | #endif | |
63 | ||
64 | 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 | 65 | */ |
ef79bbde P |
66 | |
67 | // globals | |
68 | ||
69 | // psx buffer / addresses | |
70 | ||
71 | unsigned short regArea[10000]; | |
72 | unsigned short spuMem[256*1024]; | |
73 | unsigned char * spuMemC; | |
74 | unsigned char * pSpuIrq=0; | |
75 | unsigned char * pSpuBuffer; | |
76 | unsigned char * pMixIrq=0; | |
77 | ||
78 | // user settings | |
79 | ||
9e7a7352 | 80 | int iVolume=768; // 1024 is 1.0 |
ef79bbde | 81 | int iXAPitch=1; |
ef79bbde P |
82 | int iSPUIRQWait=1; |
83 | int iDebugMode=0; | |
84 | int iRecordMode=0; | |
85 | int iUseReverb=2; | |
86 | int iUseInterpolation=2; | |
ef79bbde P |
87 | |
88 | // MAIN infos struct for each channel | |
89 | ||
90 | SPUCHAN s_chan[MAXCHAN+1]; // channel + 1 infos (1 is security for fmod handling) | |
91 | REVERBInfo rvb; | |
92 | ||
b1094d0e | 93 | unsigned int dwNoiseVal; // global noise generator |
94 | unsigned int dwNoiseCount; | |
ef79bbde P |
95 | int iSpuAsyncWait=0; |
96 | ||
97 | unsigned short spuCtrl=0; // some vars to store psx reg infos | |
98 | unsigned short spuStat=0; | |
99 | unsigned short spuIrq=0; | |
100 | unsigned long spuAddr=0xffffffff; // address into spu mem | |
ef79bbde P |
101 | int bSpuInit=0; |
102 | int bSPUIsOpen=0; | |
103 | ||
174c454a | 104 | unsigned int dwNewChannel=0; // flags for faster testing, if new channel starts |
105 | unsigned int dwChannelOn=0; // not silent channels | |
106 | unsigned int dwPendingChanOff=0; | |
107 | unsigned int dwChannelDead=0; // silent+not useful channels | |
ef79bbde P |
108 | |
109 | void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq | |
110 | void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; | |
111 | ||
112 | // certain globals (were local before, but with the new timeproc I need em global) | |
113 | ||
6d866bb7 | 114 | static const int f[8][2] = { { 0, 0 }, |
ef79bbde P |
115 | { 60, 0 }, |
116 | { 115, -52 }, | |
117 | { 98, -55 }, | |
118 | { 122, -60 } }; | |
b17618c0 | 119 | int ChanBuf[NSSIZE+3]; |
120 | int SSumLR[(NSSIZE+3)*2]; | |
ef79bbde P |
121 | int iFMod[NSSIZE]; |
122 | int iCycle = 0; | |
123 | short * pS; | |
124 | ||
125 | int lastch=-1; // last channel processed on spu irq in timer mode | |
126 | static int lastns=0; // last ns pos | |
127 | static int iSecureStart=0; // secure start counter | |
128 | ||
983a7cfd | 129 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
130 | ||
ef79bbde P |
131 | //////////////////////////////////////////////////////////////////////// |
132 | // CODE AREA | |
133 | //////////////////////////////////////////////////////////////////////// | |
134 | ||
135 | // dirty inline func includes | |
136 | ||
137 | #include "reverb.c" | |
138 | #include "adsr.c" | |
139 | ||
140 | //////////////////////////////////////////////////////////////////////// | |
141 | // helpers for simple interpolation | |
142 | ||
143 | // | |
144 | // easy interpolation on upsampling, no special filter, just "Pete's common sense" tm | |
145 | // | |
146 | // instead of having n equal sample values in a row like: | |
147 | // ____ | |
148 | // |____ | |
149 | // | |
150 | // we compare the current delta change with the next delta change. | |
151 | // | |
152 | // if curr_delta is positive, | |
153 | // | |
154 | // - and next delta is smaller (or changing direction): | |
155 | // \. | |
156 | // -__ | |
157 | // | |
158 | // - and next delta significant (at least twice) bigger: | |
159 | // --_ | |
160 | // \. | |
161 | // | |
162 | // - and next delta is nearly same: | |
163 | // \. | |
164 | // \. | |
165 | // | |
166 | // | |
167 | // if curr_delta is negative, | |
168 | // | |
169 | // - and next delta is smaller (or changing direction): | |
170 | // _-- | |
171 | // / | |
172 | // | |
173 | // - and next delta significant (at least twice) bigger: | |
174 | // / | |
175 | // __- | |
176 | // | |
177 | // - and next delta is nearly same: | |
178 | // / | |
179 | // / | |
180 | // | |
181 | ||
182 | ||
183 | INLINE void InterpolateUp(int ch) | |
184 | { | |
185 | if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass | |
186 | { | |
187 | const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val | |
188 | const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) | |
189 | ||
190 | s_chan[ch].SB[32]=0; | |
191 | ||
192 | if(id1>0) // curr delta positive | |
193 | { | |
194 | if(id2<id1) | |
195 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
196 | else | |
197 | if(id2<(id1<<1)) | |
198 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
199 | else | |
200 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
201 | } | |
202 | else // curr delta negative | |
203 | { | |
204 | if(id2>id1) | |
205 | {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} | |
206 | else | |
207 | if(id2>(id1<<1)) | |
208 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; | |
209 | else | |
210 | s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; | |
211 | } | |
212 | } | |
213 | else | |
214 | if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass | |
215 | { | |
216 | s_chan[ch].SB[32]=0; | |
217 | ||
218 | s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; | |
76d1d09c | 219 | //if(s_chan[ch].sinc<=0x8000) |
220 | // s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); | |
221 | //else | |
222 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
ef79bbde P |
223 | } |
224 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 | |
225 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; | |
226 | } | |
227 | ||
228 | // | |
229 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm | |
230 | // | |
231 | ||
232 | INLINE void InterpolateDown(int ch) | |
233 | { | |
234 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? | |
235 | { | |
236 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight | |
237 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? | |
238 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight | |
239 | } | |
240 | } | |
241 | ||
242 | //////////////////////////////////////////////////////////////////////// | |
243 | // helpers for gauss interpolation | |
244 | ||
245 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) | |
246 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) | |
247 | ||
248 | #include "gauss_i.h" | |
249 | ||
250 | //////////////////////////////////////////////////////////////////////// | |
251 | ||
252 | #include "xa.c" | |
253 | ||
254 | //////////////////////////////////////////////////////////////////////// | |
255 | // START SOUND... called by main thread to setup a new sound on a channel | |
256 | //////////////////////////////////////////////////////////////////////// | |
257 | ||
258 | INLINE void StartSound(int ch) | |
259 | { | |
260 | StartADSR(ch); | |
261 | StartREVERB(ch); | |
262 | ||
b00afb77 | 263 | // fussy timing issues - do in VoiceOn |
264 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start | |
265 | //s_chan[ch].bStop=0; | |
266 | //s_chan[ch].bOn=1; | |
ef79bbde | 267 | |
381ea103 | 268 | s_chan[ch].SB[26]=0; // init mixing vars |
269 | s_chan[ch].SB[27]=0; | |
ef79bbde P |
270 | s_chan[ch].iSBPos=28; |
271 | ||
ef79bbde P |
272 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
273 | s_chan[ch].SB[30]=0; | |
274 | ||
275 | if(iUseInterpolation>=2) // gauss interpolation? | |
276 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding | |
277 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding | |
278 | ||
279 | dwNewChannel&=~(1<<ch); // clear new channel bit | |
280 | } | |
281 | ||
282 | //////////////////////////////////////////////////////////////////////// | |
283 | // ALL KIND OF HELPERS | |
284 | //////////////////////////////////////////////////////////////////////// | |
285 | ||
07a6dd2c | 286 | INLINE int FModChangeFrequency(int ch,int ns) |
ef79bbde | 287 | { |
7e44d49d | 288 | unsigned int NP=s_chan[ch].iRawPitch; |
07a6dd2c | 289 | int sinc; |
ef79bbde P |
290 | |
291 | NP=((32768L+iFMod[ns])*NP)/32768L; | |
292 | ||
293 | if(NP>0x3fff) NP=0x3fff; | |
294 | if(NP<0x1) NP=0x1; | |
295 | ||
7e44d49d | 296 | sinc=NP<<4; // calc frequency |
ef79bbde | 297 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
07a6dd2c | 298 | s_chan[ch].SB[32]=1; |
ef79bbde | 299 | iFMod[ns]=0; |
07a6dd2c | 300 | |
301 | return sinc; | |
ef79bbde P |
302 | } |
303 | ||
304 | //////////////////////////////////////////////////////////////////////// | |
305 | ||
ef79bbde P |
306 | INLINE void StoreInterpolationVal(int ch,int fa) |
307 | { | |
308 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
309 | s_chan[ch].SB[29]=fa; | |
310 | else | |
311 | { | |
381ea103 | 312 | ssat32_to_16(fa); |
ef79bbde P |
313 | |
314 | if(iUseInterpolation>=2) // gauss/cubic interpolation | |
315 | { | |
316 | int gpos = s_chan[ch].SB[28]; | |
317 | gval0 = fa; | |
318 | gpos = (gpos+1) & 3; | |
319 | s_chan[ch].SB[28] = gpos; | |
320 | } | |
321 | else | |
322 | if(iUseInterpolation==1) // simple interpolation | |
323 | { | |
324 | s_chan[ch].SB[28] = 0; | |
325 | 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' | |
326 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; | |
327 | s_chan[ch].SB[31] = fa; | |
328 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation | |
329 | } | |
330 | else s_chan[ch].SB[29]=fa; // no interpolation | |
331 | } | |
332 | } | |
333 | ||
334 | //////////////////////////////////////////////////////////////////////// | |
335 | ||
8cd23d6d | 336 | INLINE int iGetInterpolationVal(int ch, int spos) |
ef79bbde P |
337 | { |
338 | int fa; | |
339 | ||
340 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; | |
341 | ||
342 | switch(iUseInterpolation) | |
343 | { | |
344 | //--------------------------------------------------// | |
345 | case 3: // cubic interpolation | |
346 | { | |
347 | long xd;int gpos; | |
8cd23d6d | 348 | xd = (spos >> 1)+1; |
ef79bbde P |
349 | gpos = s_chan[ch].SB[28]; |
350 | ||
351 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; | |
352 | fa *= (xd - (2<<15)) / 6; | |
353 | fa >>= 15; | |
354 | fa += gval(2) - gval(1) - gval(1) + gval0; | |
355 | fa *= (xd - (1<<15)) >> 1; | |
356 | fa >>= 15; | |
357 | fa += gval(1) - gval0; | |
358 | fa *= xd; | |
359 | fa >>= 15; | |
360 | fa = fa + gval0; | |
361 | ||
362 | } break; | |
363 | //--------------------------------------------------// | |
364 | case 2: // gauss interpolation | |
365 | { | |
366 | int vl, vr;int gpos; | |
8cd23d6d | 367 | vl = (spos >> 6) & ~3; |
ef79bbde P |
368 | gpos = s_chan[ch].SB[28]; |
369 | vr=(gauss[vl]*gval0)&~2047; | |
370 | vr+=(gauss[vl+1]*gval(1))&~2047; | |
371 | vr+=(gauss[vl+2]*gval(2))&~2047; | |
372 | vr+=(gauss[vl+3]*gval(3))&~2047; | |
373 | fa = vr>>11; | |
374 | } break; | |
375 | //--------------------------------------------------// | |
376 | case 1: // simple interpolation | |
377 | { | |
378 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? | |
379 | InterpolateUp(ch); // --> interpolate up | |
380 | else InterpolateDown(ch); // --> else down | |
381 | fa=s_chan[ch].SB[29]; | |
382 | } break; | |
383 | //--------------------------------------------------// | |
384 | default: // no interpolation | |
385 | { | |
386 | fa=s_chan[ch].SB[29]; | |
387 | } break; | |
388 | //--------------------------------------------------// | |
389 | } | |
390 | ||
391 | return fa; | |
392 | } | |
393 | ||
3fc2a4c2 | 394 | static void do_irq(void) |
395 | { | |
8048a6d7 | 396 | //if(!(spuStat & STAT_IRQ)) |
3fc2a4c2 | 397 | { |
8048a6d7 | 398 | spuStat |= STAT_IRQ; // asserted status? |
3fc2a4c2 | 399 | if(irqCallback) irqCallback(); |
400 | } | |
401 | } | |
402 | ||
381ea103 | 403 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
404 | { | |
405 | int nSample; | |
406 | int fa, s_1, s_2, d, s; | |
407 | ||
408 | s_1 = dest[27]; | |
409 | s_2 = dest[26]; | |
410 | ||
411 | for (nSample = 0; nSample < 28; src++) | |
412 | { | |
413 | d = (int)*src; | |
414 | s = (int)(signed short)((d & 0x0f) << 12); | |
415 | ||
416 | fa = s >> shift_factor; | |
417 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
418 | s_2=s_1;s_1=fa; | |
419 | ||
420 | dest[nSample++] = fa; | |
421 | ||
422 | s = (int)(signed short)((d & 0xf0) << 8); | |
423 | fa = s >> shift_factor; | |
424 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); | |
425 | s_2=s_1;s_1=fa; | |
426 | ||
427 | dest[nSample++] = fa; | |
428 | } | |
429 | } | |
430 | ||
e11ae5c5 | 431 | static int decode_block(int ch) |
432 | { | |
433 | unsigned char *start; | |
381ea103 | 434 | int predict_nr,shift_factor,flags; |
e11ae5c5 | 435 | int ret = 0; |
436 | ||
e11ae5c5 | 437 | start=s_chan[ch].pCurr; // set up the current pos |
174c454a | 438 | if(dwPendingChanOff&(1<<ch)) |
e11ae5c5 | 439 | { |
440 | dwChannelOn&=~(1<<ch); // -> turn everything off | |
3fc2a4c2 | 441 | dwPendingChanOff&=~(1<<ch); |
e11ae5c5 | 442 | s_chan[ch].bStop=1; |
443 | s_chan[ch].ADSRX.EnvelopeVol=0; | |
e11ae5c5 | 444 | } |
445 | ||
3fc2a4c2 | 446 | //////////////////////////////////////////// irq check |
447 | ||
448 | if(spuCtrl&CTRL_IRQ) | |
449 | { | |
450 | if(pSpuIrq == start) // irq address reached? | |
451 | { | |
452 | do_irq(); // -> call main emu | |
453 | ret = 1; | |
454 | } | |
455 | } | |
e11ae5c5 | 456 | |
381ea103 | 457 | predict_nr=(int)start[0]; |
e11ae5c5 | 458 | shift_factor=predict_nr&0xf; |
459 | predict_nr >>= 4; | |
e11ae5c5 | 460 | |
381ea103 | 461 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
e11ae5c5 | 462 | |
e11ae5c5 | 463 | //////////////////////////////////////////// flag handler |
464 | ||
381ea103 | 465 | flags=(int)start[1]; |
466 | if(flags&4) | |
467 | s_chan[ch].pLoop=start; // loop adress | |
e11ae5c5 | 468 | |
381ea103 | 469 | start+=16; |
e11ae5c5 | 470 | if(flags&1) // 1: stop/loop |
471 | { | |
3fc2a4c2 | 472 | if(!(flags&2)) |
473 | dwPendingChanOff|=1<<ch; | |
474 | ||
475 | start = s_chan[ch].pLoop; | |
e11ae5c5 | 476 | } |
477 | ||
174c454a | 478 | if (start - spuMemC >= 0x80000) { |
479 | // most likely wrong | |
480 | start = spuMemC; | |
481 | printf("ch%d oflow\n", ch); | |
482 | } | |
e11ae5c5 | 483 | |
381ea103 | 484 | s_chan[ch].pCurr = start; // store values for next cycle |
be1cb678 | 485 | s_chan[ch].bJump = flags & 1; |
e11ae5c5 | 486 | |
487 | return ret; | |
488 | } | |
489 | ||
07a6dd2c | 490 | // do block, but ignore sample data |
491 | static int skip_block(int ch) | |
492 | { | |
493 | unsigned char *start = s_chan[ch].pCurr; | |
494 | int flags = start[1]; | |
495 | int ret = 0; | |
496 | ||
07a6dd2c | 497 | if(start == pSpuIrq) |
498 | { | |
499 | do_irq(); | |
500 | ret = 1; | |
501 | } | |
502 | ||
381ea103 | 503 | if(flags & 4) |
be1cb678 | 504 | s_chan[ch].pLoop = start; |
07a6dd2c | 505 | |
506 | s_chan[ch].pCurr += 16; | |
507 | ||
508 | if(flags & 1) | |
509 | s_chan[ch].pCurr = s_chan[ch].pLoop; | |
510 | ||
be1cb678 | 511 | s_chan[ch].bJump = flags & 1; |
07a6dd2c | 512 | return ret; |
513 | } | |
514 | ||
515 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ | |
516 | static int do_samples_##name(int ch, int ns, int ns_to) \ | |
517 | { \ | |
518 | int sinc = s_chan[ch].sinc; \ | |
519 | int spos = s_chan[ch].spos; \ | |
381ea103 | 520 | int sbpos = s_chan[ch].iSBPos; \ |
521 | int *SB = s_chan[ch].SB; \ | |
07a6dd2c | 522 | int ret = -1; \ |
523 | int d, fa; \ | |
524 | interp_start; \ | |
525 | \ | |
526 | for (; ns < ns_to; ns++) \ | |
527 | { \ | |
528 | fmod_code; \ | |
529 | \ | |
530 | while (spos >= 0x10000) \ | |
531 | { \ | |
381ea103 | 532 | if(sbpos == 28) \ |
07a6dd2c | 533 | { \ |
381ea103 | 534 | sbpos = 0; \ |
07a6dd2c | 535 | d = decode_block(ch); \ |
536 | if(d && iSPUIRQWait) \ | |
537 | { \ | |
538 | ret = ns; \ | |
539 | goto out; \ | |
540 | } \ | |
541 | } \ | |
542 | \ | |
381ea103 | 543 | fa = SB[sbpos++]; \ |
07a6dd2c | 544 | interp1_code; \ |
545 | spos -= 0x10000; \ | |
546 | } \ | |
547 | \ | |
548 | interp2_code; \ | |
549 | spos += sinc; \ | |
550 | } \ | |
551 | \ | |
552 | out: \ | |
553 | s_chan[ch].sinc = sinc; \ | |
554 | s_chan[ch].spos = spos; \ | |
381ea103 | 555 | s_chan[ch].iSBPos = sbpos; \ |
07a6dd2c | 556 | interp_end; \ |
557 | \ | |
558 | return ret; \ | |
559 | } | |
560 | ||
561 | #define fmod_recv_check \ | |
562 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ | |
563 | sinc = FModChangeFrequency(ch,ns) | |
564 | ||
565 | make_do_samples(default, fmod_recv_check, , | |
566 | StoreInterpolationVal(ch, fa), | |
8cd23d6d | 567 | ChanBuf[ns] = iGetInterpolationVal(ch, spos), ) |
07a6dd2c | 568 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) |
569 | ||
570 | #define simple_interp_store \ | |
571 | s_chan[ch].SB[28] = 0; \ | |
572 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ | |
573 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ | |
574 | s_chan[ch].SB[31] = fa; \ | |
575 | s_chan[ch].SB[32] = 1 | |
576 | ||
577 | #define simple_interp_get \ | |
578 | if(sinc<0x10000) /* -> upsampling? */ \ | |
579 | InterpolateUp(ch); /* --> interpolate up */ \ | |
580 | else InterpolateDown(ch); /* --> else down */ \ | |
581 | ChanBuf[ns] = s_chan[ch].SB[29] | |
582 | ||
583 | make_do_samples(simple, , , | |
584 | simple_interp_store, simple_interp_get, ) | |
585 | ||
586 | static int do_samples_noise(int ch, int ns, int ns_to) | |
587 | { | |
b1094d0e | 588 | int level, shift, bit; |
589 | ||
07a6dd2c | 590 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); |
591 | while (s_chan[ch].spos >= 28*0x10000) | |
592 | { | |
593 | skip_block(ch); | |
594 | s_chan[ch].spos -= 28*0x10000; | |
595 | } | |
596 | ||
b1094d0e | 597 | // modified from DrHell/shalma, no fraction |
598 | level = (spuCtrl >> 10) & 0x0f; | |
599 | level = 0x8000 >> level; | |
600 | ||
07a6dd2c | 601 | for (; ns < ns_to; ns++) |
b1094d0e | 602 | { |
603 | dwNoiseCount += 2; | |
604 | if (dwNoiseCount >= level) | |
605 | { | |
606 | dwNoiseCount -= level; | |
607 | shift = (dwNoiseVal >> 10) & 0x1f; | |
608 | bit = (0x69696969 >> shift) & 1; | |
609 | if (dwNoiseVal & 0x8000) | |
610 | bit ^= 1; | |
611 | dwNoiseVal = (dwNoiseVal << 1) | bit; | |
612 | } | |
613 | ||
614 | ChanBuf[ns] = (signed short)dwNoiseVal; | |
615 | } | |
07a6dd2c | 616 | |
617 | return -1; | |
618 | } | |
619 | ||
3a721c1f | 620 | #ifdef __arm__ |
621 | // asm code; lv and rv must be 0-3fff | |
b17618c0 | 622 | extern void mix_chan(int start, int count, int lv, int rv); |
623 | extern void mix_chan_rvb(int start, int count, int lv, int rv); | |
624 | #else | |
625 | static void mix_chan(int start, int count, int lv, int rv) | |
626 | { | |
627 | int *dst = SSumLR + start * 2; | |
628 | const int *src = ChanBuf + start; | |
629 | int l, r; | |
630 | ||
631 | while (count--) | |
632 | { | |
633 | int sval = *src++; | |
634 | ||
635 | l = (sval * lv) >> 14; | |
636 | r = (sval * rv) >> 14; | |
637 | *dst++ += l; | |
638 | *dst++ += r; | |
639 | } | |
640 | } | |
641 | ||
642 | static void mix_chan_rvb(int start, int count, int lv, int rv) | |
643 | { | |
644 | int *dst = SSumLR + start * 2; | |
645 | int *drvb = sRVBStart + start * 2; | |
646 | const int *src = ChanBuf + start; | |
647 | int l, r; | |
648 | ||
649 | while (count--) | |
650 | { | |
651 | int sval = *src++; | |
652 | ||
653 | l = (sval * lv) >> 14; | |
654 | r = (sval * rv) >> 14; | |
655 | *dst++ += l; | |
656 | *dst++ += r; | |
657 | *drvb++ += l; | |
658 | *drvb++ += r; | |
659 | } | |
660 | } | |
661 | #endif | |
662 | ||
ef79bbde P |
663 | //////////////////////////////////////////////////////////////////////// |
664 | // MAIN SPU FUNCTION | |
6d75977b | 665 | // here is the main job handler... |
ef79bbde P |
666 | // basically the whole sound processing is done in this fat func! |
667 | //////////////////////////////////////////////////////////////////////// | |
668 | ||
6d75977b | 669 | static int do_samples(void) |
ef79bbde | 670 | { |
9e7a7352 | 671 | int volmult = iVolume; |
07a6dd2c | 672 | int ns,ns_from,ns_to; |
174c454a | 673 | int ch,d,silentch; |
ef79bbde P |
674 | int bIRQReturn=0; |
675 | ||
6d75977b | 676 | while(1) |
ef79bbde P |
677 | { |
678 | // ok, at the beginning we are looking if there is | |
679 | // enuff free place in the dsound/oss buffer to | |
680 | // fill in new data, or if there is a new channel to start. | |
681 | // if not, we wait (thread) or return (timer/spuasync) | |
682 | // until enuff free place is available/a new channel gets | |
683 | // started | |
684 | ||
685 | if(dwNewChannel) // new channel should start immedately? | |
686 | { // (at least one bit 0 ... MAXCHANNEL is set?) | |
687 | iSecureStart++; // -> set iSecure | |
688 | 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) | |
689 | } | |
690 | else iSecureStart=0; // 0: no new channel should start | |
691 | ||
6d75977b | 692 | if(!iSecureStart && // no new start? |
ef79bbde P |
693 | (SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer? |
694 | { | |
6d75977b | 695 | return 0; |
ef79bbde P |
696 | } |
697 | ||
698 | //--------------------------------------------------// continue from irq handling in timer mode? | |
699 | ||
8680e822 | 700 | ns_from=0; |
701 | ns_to=NSSIZE; | |
702 | ch=0; | |
ef79bbde P |
703 | if(lastch>=0) // will be -1 if no continue is pending |
704 | { | |
e11ae5c5 | 705 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
ef79bbde P |
706 | } |
707 | ||
174c454a | 708 | silentch=~(dwChannelOn|dwNewChannel); |
709 | ||
ef79bbde P |
710 | //--------------------------------------------------// |
711 | //- main channel loop -// | |
712 | //--------------------------------------------------// | |
713 | { | |
8680e822 | 714 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
ef79bbde | 715 | { |
6d866bb7 | 716 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
717 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next | |
ef79bbde | 718 | |
07a6dd2c | 719 | if(s_chan[ch].bNoise) |
720 | d=do_samples_noise(ch, ns_from, ns_to); | |
721 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) | |
722 | d=do_samples_noint(ch, ns_from, ns_to); | |
723 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) | |
724 | d=do_samples_simple(ch, ns_from, ns_to); | |
725 | else | |
726 | d=do_samples_default(ch, ns_from, ns_to); | |
727 | if(d>=0) | |
ef79bbde | 728 | { |
07a6dd2c | 729 | bIRQReturn=1; |
730 | lastch=ch; | |
731 | lastns=ns_to=d; | |
587fa7de | 732 | if(d==0) |
733 | break; | |
1ab7621a | 734 | } |
ef79bbde | 735 | |
1ab7621a | 736 | MixADSR(ch, ns_from, ns_to); |
737 | ||
738 | if(s_chan[ch].bFMod==2) // fmod freq channel | |
739 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); | |
b17618c0 | 740 | else if(s_chan[ch].bRVBActive) |
741 | mix_chan_rvb(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); | |
1775933a | 742 | else |
b17618c0 | 743 | mix_chan(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
ef79bbde P |
744 | } |
745 | } | |
746 | ||
78c60846 | 747 | // advance "stopped" channels that can cause irqs |
748 | // (all chans are always playing on the real thing..) | |
749 | if(!bIRQReturn && (spuCtrl&CTRL_IRQ)) | |
750 | for(ch=0;ch<MAXCHAN;ch++) | |
751 | { | |
174c454a | 752 | if(!(silentch&(1<<ch))) continue; // already handled |
753 | if(dwChannelDead&(1<<ch)) continue; | |
78c60846 | 754 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) |
755 | continue; | |
756 | ||
78c60846 | 757 | s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; |
758 | while(s_chan[ch].spos >= 28 * 0x10000) | |
759 | { | |
7e44d49d | 760 | unsigned char *start = s_chan[ch].pCurr; |
78c60846 | 761 | |
a3ed1915 | 762 | // no need for bIRQReturn since the channel is silent |
763 | iSpuAsyncWait |= skip_block(ch); | |
07a6dd2c | 764 | if(start == s_chan[ch].pCurr) |
78c60846 | 765 | { |
766 | // looping on self | |
7e44d49d | 767 | dwChannelDead |= 1<<ch; |
768 | s_chan[ch].spos = 0; | |
78c60846 | 769 | break; |
770 | } | |
771 | ||
78c60846 | 772 | s_chan[ch].spos -= 28 * 0x10000; |
773 | } | |
774 | } | |
775 | ||
e11ae5c5 | 776 | if(bIRQReturn && iSPUIRQWait) // special return for "spu irq - wait for cpu action" |
8680e822 | 777 | { |
e11ae5c5 | 778 | iSpuAsyncWait=1; |
8680e822 | 779 | bIRQReturn=0; |
6d75977b | 780 | return 0; |
8680e822 | 781 | } |
782 | ||
783 | ||
ef79bbde P |
784 | //---------------------------------------------------// |
785 | //- here we have another 1 ms of sound data | |
786 | //---------------------------------------------------// | |
787 | // mix XA infos (if any) | |
788 | ||
789 | MixXA(); | |
790 | ||
791 | /////////////////////////////////////////////////////// | |
792 | // mix all channels (including reverb) into one buffer | |
793 | ||
1775933a | 794 | if(iUseReverb) |
795 | REVERBDo(); | |
796 | ||
797 | if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) | |
798 | { | |
799 | memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); | |
800 | pS += NSSIZE*2; | |
801 | } | |
802 | else | |
97ea4077 | 803 | for (ns = 0; ns < NSSIZE*2; ) |
ef79bbde | 804 | { |
9e7a7352 | 805 | d = SSumLR[ns]; SSumLR[ns] = 0; |
806 | d = d * volmult >> 10; | |
1775933a | 807 | ssat32_to_16(d); |
ef79bbde | 808 | *pS++ = d; |
97ea4077 | 809 | ns++; |
ef79bbde | 810 | |
9e7a7352 | 811 | d = SSumLR[ns]; SSumLR[ns] = 0; |
812 | d = d * volmult >> 10; | |
1775933a | 813 | ssat32_to_16(d); |
ef79bbde | 814 | *pS++ = d; |
97ea4077 | 815 | ns++; |
ef79bbde P |
816 | } |
817 | ||
818 | ////////////////////////////////////////////////////// | |
819 | // special irq handling in the decode buffers (0x0000-0x1000) | |
820 | // we know: | |
821 | // the decode buffers are located in spu memory in the following way: | |
822 | // 0x0000-0x03ff CD audio left | |
823 | // 0x0400-0x07ff CD audio right | |
824 | // 0x0800-0x0bff Voice 1 | |
825 | // 0x0c00-0x0fff Voice 3 | |
826 | // and decoded data is 16 bit for one sample | |
827 | // we assume: | |
828 | // even if voices 1/3 are off or no cd audio is playing, the internal | |
829 | // play positions will move on and wrap after 0x400 bytes. | |
830 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and | |
831 | // increase this pointer on each sample by 2 bytes. If this pointer | |
832 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate | |
833 | // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here | |
834 | // in some of Peops timer modes. So: we ignore this option here (for now). | |
835 | ||
3fc2a4c2 | 836 | if(pMixIrq) |
ef79bbde P |
837 | { |
838 | for(ns=0;ns<NSSIZE;ns++) | |
839 | { | |
840 | if((spuCtrl&0x40) && pSpuIrq && pSpuIrq<spuMemC+0x1000) | |
841 | { | |
842 | for(ch=0;ch<4;ch++) | |
843 | { | |
844 | if(pSpuIrq>=pMixIrq+(ch*0x400) && pSpuIrq<pMixIrq+(ch*0x400)+2) | |
3fc2a4c2 | 845 | do_irq(); |
ef79bbde P |
846 | } |
847 | } | |
848 | pMixIrq+=2;if(pMixIrq>spuMemC+0x3ff) pMixIrq=spuMemC; | |
849 | } | |
850 | } | |
851 | ||
852 | InitREVERB(); | |
853 | ||
854 | // feed the sound | |
855 | // wanna have around 1/60 sec (16.666 ms) updates | |
381ea103 | 856 | if (iCycle++ > 16/FRAG_MSECS) |
ef79bbde P |
857 | { |
858 | SoundFeedStreamData((unsigned char *)pSpuBuffer, | |
859 | ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); | |
860 | pS = (short *)pSpuBuffer; | |
861 | iCycle = 0; | |
862 | } | |
863 | } | |
864 | ||
ef79bbde P |
865 | return 0; |
866 | } | |
867 | ||
868 | // SPU ASYNC... even newer epsxe func | |
869 | // 1 time every 'cycle' cycles... harhar | |
870 | ||
554a2220 | 871 | // rearmed: called every 2ms now |
872 | ||
ef79bbde P |
873 | void CALLBACK SPUasync(unsigned long cycle) |
874 | { | |
875 | if(iSpuAsyncWait) | |
876 | { | |
877 | iSpuAsyncWait++; | |
6d75977b | 878 | if(iSpuAsyncWait<=16/FRAG_MSECS) return; |
ef79bbde P |
879 | iSpuAsyncWait=0; |
880 | } | |
881 | ||
6d75977b | 882 | if(!bSpuInit) return; // -> no init, no call |
ef79bbde | 883 | |
6d75977b | 884 | do_samples(); |
17ed0d69 | 885 | |
6d75977b | 886 | // abuse iSpuAsyncWait mechanism to reduce calls to above function |
887 | // to make it do larger chunks | |
888 | // note: doing it less often than once per frame causes skips | |
889 | iSpuAsyncWait=1; | |
ef79bbde P |
890 | } |
891 | ||
892 | // SPU UPDATE... new epsxe func | |
893 | // 1 time every 32 hsync lines | |
894 | // (312/32)x50 in pal | |
895 | // (262/32)x60 in ntsc | |
896 | ||
897 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will | |
898 | // leave that func in the linux port, until epsxe linux is using | |
899 | // the async function as well | |
900 | ||
901 | void CALLBACK SPUupdate(void) | |
902 | { | |
903 | SPUasync(0); | |
904 | } | |
905 | ||
906 | // XA AUDIO | |
907 | ||
908 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) | |
909 | { | |
910 | if(!xap) return; | |
911 | if(!xap->freq) return; // no xa freq ? bye | |
912 | ||
913 | FeedXA(xap); // call main XA feeder | |
914 | } | |
915 | ||
916 | // CDDA AUDIO | |
983a7cfd | 917 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
ef79bbde | 918 | { |
983a7cfd | 919 | if (!pcm) return -1; |
920 | if (nbytes<=0) return -1; | |
ef79bbde | 921 | |
983a7cfd | 922 | return FeedCDDA((unsigned char *)pcm, nbytes); |
ef79bbde P |
923 | } |
924 | ||
6d75977b | 925 | // to be called after state load |
926 | void ClearWorkingState(void) | |
ef79bbde | 927 | { |
97ea4077 | 928 | memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers |
6d75977b | 929 | memset(iFMod,0,sizeof(iFMod)); |
ef79bbde | 930 | pS=(short *)pSpuBuffer; // setup soundbuffer pointer |
ef79bbde P |
931 | } |
932 | ||
933 | // SETUPSTREAMS: init most of the spu buffers | |
934 | void SetupStreams(void) | |
935 | { | |
936 | int i; | |
937 | ||
938 | pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer | |
939 | ||
940 | if(iUseReverb==1) i=88200*2; | |
941 | else i=NSSIZE*2; | |
942 | ||
943 | sRVBStart = (int *)malloc(i*4); // alloc reverb buffer | |
944 | memset(sRVBStart,0,i*4); | |
945 | sRVBEnd = sRVBStart + i; | |
946 | sRVBPlay = sRVBStart; | |
947 | ||
948 | XAStart = // alloc xa buffer | |
949 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); | |
950 | XAEnd = XAStart + 44100; | |
951 | XAPlay = XAStart; | |
952 | XAFeed = XAStart; | |
953 | ||
954 | CDDAStart = // alloc cdda buffer | |
983a7cfd | 955 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
ef79bbde P |
956 | CDDAEnd = CDDAStart + 16384; |
957 | CDDAPlay = CDDAStart; | |
b8e744ce | 958 | CDDAFeed = CDDAStart; |
ef79bbde P |
959 | |
960 | for(i=0;i<MAXCHAN;i++) // loop sound channels | |
961 | { | |
962 | // we don't use mutex sync... not needed, would only | |
963 | // slow us down: | |
964 | // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); | |
6d866bb7 | 965 | s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
ef79bbde | 966 | s_chan[i].pLoop=spuMemC; |
ef79bbde P |
967 | s_chan[i].pCurr=spuMemC; |
968 | } | |
969 | ||
6d75977b | 970 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address |
971 | ||
972 | ClearWorkingState(); | |
973 | ||
974 | bSpuInit=1; // flag: we are inited | |
ef79bbde P |
975 | } |
976 | ||
977 | // REMOVESTREAMS: free most buffer | |
978 | void RemoveStreams(void) | |
979 | { | |
980 | free(pSpuBuffer); // free mixing buffer | |
981 | pSpuBuffer = NULL; | |
982 | free(sRVBStart); // free reverb buffer | |
983 | sRVBStart = NULL; | |
984 | free(XAStart); // free XA buffer | |
985 | XAStart = NULL; | |
986 | free(CDDAStart); // free CDDA buffer | |
987 | CDDAStart = NULL; | |
988 | } | |
989 | ||
990 | // INIT/EXIT STUFF | |
991 | ||
992 | // SPUINIT: this func will be called first by the main emu | |
993 | long CALLBACK SPUinit(void) | |
994 | { | |
995 | spuMemC = (unsigned char *)spuMem; // just small setup | |
996 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); | |
997 | InitADSR(); | |
998 | ||
ef79bbde P |
999 | spuIrq = 0; |
1000 | spuAddr = 0xffffffff; | |
ef79bbde P |
1001 | spuMemC = (unsigned char *)spuMem; |
1002 | pMixIrq = 0; | |
1003 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); | |
1004 | pSpuIrq = 0; | |
cdb31c95 | 1005 | //iSPUIRQWait = 0; |
ef79bbde P |
1006 | lastch = -1; |
1007 | ||
ef79bbde P |
1008 | SetupStreams(); // prepare streaming |
1009 | ||
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | // SPUOPEN: called by main emu after init | |
1014 | long CALLBACK SPUopen(void) | |
1015 | { | |
1016 | if (bSPUIsOpen) return 0; // security for some stupid main emus | |
1017 | ||
1018 | SetupSound(); // setup sound (before init!) | |
ef79bbde P |
1019 | |
1020 | bSPUIsOpen = 1; | |
1021 | ||
1022 | return PSE_SPU_ERR_SUCCESS; | |
1023 | } | |
1024 | ||
1025 | // SPUCLOSE: called before shutdown | |
1026 | long CALLBACK SPUclose(void) | |
1027 | { | |
1028 | if (!bSPUIsOpen) return 0; // some security | |
1029 | ||
1030 | bSPUIsOpen = 0; // no more open | |
1031 | ||
ef79bbde P |
1032 | RemoveSound(); // no more sound handling |
1033 | ||
1034 | return 0; | |
1035 | } | |
1036 | ||
1037 | // SPUSHUTDOWN: called by main emu on final exit | |
1038 | long CALLBACK SPUshutdown(void) | |
1039 | { | |
1040 | SPUclose(); | |
1041 | RemoveStreams(); // no more streaming | |
6d75977b | 1042 | bSpuInit=0; |
ef79bbde P |
1043 | |
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | // SPUTEST: we don't test, we are always fine ;) | |
1048 | long CALLBACK SPUtest(void) | |
1049 | { | |
1050 | return 0; | |
1051 | } | |
1052 | ||
1053 | // SPUCONFIGURE: call config dialog | |
1054 | long CALLBACK SPUconfigure(void) | |
1055 | { | |
1056 | #ifdef _MACOSX | |
1057 | DoConfiguration(); | |
1058 | #else | |
ee849648 | 1059 | // StartCfgTool("CFG"); |
ef79bbde P |
1060 | #endif |
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | // SPUABOUT: show about window | |
1065 | void CALLBACK SPUabout(void) | |
1066 | { | |
1067 | #ifdef _MACOSX | |
1068 | DoAbout(); | |
1069 | #else | |
ee849648 | 1070 | // StartCfgTool("ABOUT"); |
ef79bbde P |
1071 | #endif |
1072 | } | |
1073 | ||
1074 | // SETUP CALLBACKS | |
1075 | // this functions will be called once, | |
1076 | // passes a callback that should be called on SPU-IRQ/cdda volume change | |
1077 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) | |
1078 | { | |
1079 | irqCallback = callback; | |
1080 | } | |
1081 | ||
1082 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) | |
1083 | { | |
1084 | cddavCallback = CDDAVcallback; | |
1085 | } | |
1086 | ||
1087 | // COMMON PLUGIN INFO FUNCS | |
e906c010 | 1088 | /* |
ef79bbde P |
1089 | char * CALLBACK PSEgetLibName(void) |
1090 | { | |
1091 | return _(libraryName); | |
1092 | } | |
1093 | ||
1094 | unsigned long CALLBACK PSEgetLibType(void) | |
1095 | { | |
1096 | return PSE_LT_SPU; | |
1097 | } | |
1098 | ||
1099 | unsigned long CALLBACK PSEgetLibVersion(void) | |
1100 | { | |
1101 | return (1 << 16) | (6 << 8); | |
1102 | } | |
1103 | ||
1104 | char * SPUgetLibInfos(void) | |
1105 | { | |
1106 | return _(libraryInfo); | |
1107 | } | |
e906c010 | 1108 | */ |
6d866bb7 | 1109 | |
90f1d26c | 1110 | // debug |
174c454a | 1111 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
90f1d26c | 1112 | { |
174c454a | 1113 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
90f1d26c | 1114 | |
1115 | for(;ch<MAXCHAN;ch++) | |
1116 | { | |
1117 | if (!(dwChannelOn & (1<<ch))) | |
1118 | continue; | |
1119 | if (s_chan[ch].bFMod == 2) | |
1120 | fmod_chans |= 1 << ch; | |
1121 | if (s_chan[ch].bNoise) | |
1122 | noise_chans |= 1 << ch; | |
174c454a | 1123 | if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq) |
1124 | irq_chans |= 1 << ch; | |
90f1d26c | 1125 | } |
1126 | ||
1127 | *chans_out = dwChannelOn; | |
174c454a | 1128 | *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans; |
90f1d26c | 1129 | *fmod_chans_out = fmod_chans; |
1130 | *noise_chans_out = noise_chans; | |
1131 | } | |
1132 | ||
6d866bb7 | 1133 | // vim:shiftwidth=1:expandtab |