| 1 | /*************************************************************************** |
| 2 | spu.c - description |
| 3 | ------------------- |
| 4 | begin : Wed May 15 2002 |
| 5 | copyright : (C) 2002 by Pete Bernert |
| 6 | email : BlackDove@addcom.de |
| 7 | |
| 8 | Portions (C) GraÅžvydas "notaz" Ignotas, 2010-2011 |
| 9 | |
| 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" |
| 26 | #include "registers.h" |
| 27 | #include "cfg.h" |
| 28 | #include "dsoundoss.h" |
| 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 | |
| 40 | #ifdef __ARM_ARCH_7A__ |
| 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 | |
| 50 | /* |
| 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"); |
| 66 | */ |
| 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 | |
| 81 | int iVolume=768; // 1024 is 1.0 |
| 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; |
| 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 | |
| 95 | unsigned int dwNoiseVal; // global noise generator |
| 96 | unsigned int dwNoiseCount; |
| 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 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 |
| 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 | |
| 120 | static const int f[8][2] = { { 0, 0 }, |
| 121 | { 60, 0 }, |
| 122 | { 115, -52 }, |
| 123 | { 98, -55 }, |
| 124 | { 122, -60 } }; |
| 125 | int ChanBuf[NSSIZE+3]; |
| 126 | int SSumLR[(NSSIZE+3)*2]; |
| 127 | int iFMod[NSSIZE]; |
| 128 | int iCycle = 0; |
| 129 | short * pS; |
| 130 | |
| 131 | int lastch=-1; // last channel processed on spu irq in timer mode |
| 132 | static int lastns=0; // last ns pos |
| 133 | static int iSecureStart=0; // secure start counter |
| 134 | |
| 135 | #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 |
| 136 | |
| 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 |
| 228 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; |
| 229 | } |
| 230 | else // no flags? add bigger val (if possible), calc smaller step, set flag1 |
| 231 | s_chan[ch].SB[29]+=s_chan[ch].SB[28]; |
| 232 | } |
| 233 | |
| 234 | // |
| 235 | // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm |
| 236 | // |
| 237 | |
| 238 | INLINE void InterpolateDown(int ch) |
| 239 | { |
| 240 | if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? |
| 241 | { |
| 242 | s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight |
| 243 | if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? |
| 244 | s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | //////////////////////////////////////////////////////////////////////// |
| 249 | // helpers for gauss interpolation |
| 250 | |
| 251 | #define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) |
| 252 | #define gval(x) (((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) |
| 253 | |
| 254 | #include "gauss_i.h" |
| 255 | |
| 256 | //////////////////////////////////////////////////////////////////////// |
| 257 | |
| 258 | #include "xa.c" |
| 259 | |
| 260 | //////////////////////////////////////////////////////////////////////// |
| 261 | // START SOUND... called by main thread to setup a new sound on a channel |
| 262 | //////////////////////////////////////////////////////////////////////// |
| 263 | |
| 264 | INLINE void StartSound(int ch) |
| 265 | { |
| 266 | StartADSR(ch); |
| 267 | StartREVERB(ch); |
| 268 | |
| 269 | // fussy timing issues - do in VoiceOn |
| 270 | //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start |
| 271 | //s_chan[ch].bStop=0; |
| 272 | //s_chan[ch].bOn=1; |
| 273 | |
| 274 | s_chan[ch].SB[26]=0; // init mixing vars |
| 275 | s_chan[ch].SB[27]=0; |
| 276 | s_chan[ch].iSBPos=28; |
| 277 | |
| 278 | s_chan[ch].SB[29]=0; // init our interpolation helpers |
| 279 | s_chan[ch].SB[30]=0; |
| 280 | |
| 281 | if(iUseInterpolation>=2) // gauss interpolation? |
| 282 | {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding |
| 283 | else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding |
| 284 | |
| 285 | dwNewChannel&=~(1<<ch); // clear new channel bit |
| 286 | } |
| 287 | |
| 288 | //////////////////////////////////////////////////////////////////////// |
| 289 | // ALL KIND OF HELPERS |
| 290 | //////////////////////////////////////////////////////////////////////// |
| 291 | |
| 292 | INLINE int FModChangeFrequency(int ch,int ns) |
| 293 | { |
| 294 | unsigned int NP=s_chan[ch].iRawPitch; |
| 295 | int sinc; |
| 296 | |
| 297 | NP=((32768L+iFMod[ns])*NP)/32768L; |
| 298 | |
| 299 | if(NP>0x3fff) NP=0x3fff; |
| 300 | if(NP<0x1) NP=0x1; |
| 301 | |
| 302 | sinc=NP<<4; // calc frequency |
| 303 | if(iUseInterpolation==1) // freq change in simple interpolation mode |
| 304 | s_chan[ch].SB[32]=1; |
| 305 | iFMod[ns]=0; |
| 306 | |
| 307 | return sinc; |
| 308 | } |
| 309 | |
| 310 | //////////////////////////////////////////////////////////////////////// |
| 311 | |
| 312 | INLINE void StoreInterpolationVal(int ch,int fa) |
| 313 | { |
| 314 | if(s_chan[ch].bFMod==2) // fmod freq channel |
| 315 | s_chan[ch].SB[29]=fa; |
| 316 | else |
| 317 | { |
| 318 | ssat32_to_16(fa); |
| 319 | |
| 320 | if(iUseInterpolation>=2) // gauss/cubic interpolation |
| 321 | { |
| 322 | int gpos = s_chan[ch].SB[28]; |
| 323 | gval0 = fa; |
| 324 | gpos = (gpos+1) & 3; |
| 325 | s_chan[ch].SB[28] = gpos; |
| 326 | } |
| 327 | else |
| 328 | if(iUseInterpolation==1) // simple interpolation |
| 329 | { |
| 330 | s_chan[ch].SB[28] = 0; |
| 331 | 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' |
| 332 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; |
| 333 | s_chan[ch].SB[31] = fa; |
| 334 | s_chan[ch].SB[32] = 1; // -> flag: calc new interolation |
| 335 | } |
| 336 | else s_chan[ch].SB[29]=fa; // no interpolation |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | //////////////////////////////////////////////////////////////////////// |
| 341 | |
| 342 | INLINE int iGetInterpolationVal(int ch, int spos) |
| 343 | { |
| 344 | int fa; |
| 345 | |
| 346 | if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; |
| 347 | |
| 348 | switch(iUseInterpolation) |
| 349 | { |
| 350 | //--------------------------------------------------// |
| 351 | case 3: // cubic interpolation |
| 352 | { |
| 353 | long xd;int gpos; |
| 354 | xd = (spos >> 1)+1; |
| 355 | gpos = s_chan[ch].SB[28]; |
| 356 | |
| 357 | fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; |
| 358 | fa *= (xd - (2<<15)) / 6; |
| 359 | fa >>= 15; |
| 360 | fa += gval(2) - gval(1) - gval(1) + gval0; |
| 361 | fa *= (xd - (1<<15)) >> 1; |
| 362 | fa >>= 15; |
| 363 | fa += gval(1) - gval0; |
| 364 | fa *= xd; |
| 365 | fa >>= 15; |
| 366 | fa = fa + gval0; |
| 367 | |
| 368 | } break; |
| 369 | //--------------------------------------------------// |
| 370 | case 2: // gauss interpolation |
| 371 | { |
| 372 | int vl, vr;int gpos; |
| 373 | vl = (spos >> 6) & ~3; |
| 374 | gpos = s_chan[ch].SB[28]; |
| 375 | vr=(gauss[vl]*gval0)&~2047; |
| 376 | vr+=(gauss[vl+1]*gval(1))&~2047; |
| 377 | vr+=(gauss[vl+2]*gval(2))&~2047; |
| 378 | vr+=(gauss[vl+3]*gval(3))&~2047; |
| 379 | fa = vr>>11; |
| 380 | } break; |
| 381 | //--------------------------------------------------// |
| 382 | case 1: // simple interpolation |
| 383 | { |
| 384 | if(s_chan[ch].sinc<0x10000L) // -> upsampling? |
| 385 | InterpolateUp(ch); // --> interpolate up |
| 386 | else InterpolateDown(ch); // --> else down |
| 387 | fa=s_chan[ch].SB[29]; |
| 388 | } break; |
| 389 | //--------------------------------------------------// |
| 390 | default: // no interpolation |
| 391 | { |
| 392 | fa=s_chan[ch].SB[29]; |
| 393 | } break; |
| 394 | //--------------------------------------------------// |
| 395 | } |
| 396 | |
| 397 | return fa; |
| 398 | } |
| 399 | |
| 400 | static void do_irq(void) |
| 401 | { |
| 402 | if(!(spuStat & STAT_IRQ)) |
| 403 | { |
| 404 | spuStat |= STAT_IRQ; |
| 405 | if(irqCallback) irqCallback(); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | static void decode_block_data(int *dest, const unsigned char *src, int predict_nr, int shift_factor) |
| 410 | { |
| 411 | int nSample; |
| 412 | int fa, s_1, s_2, d, s; |
| 413 | |
| 414 | s_1 = dest[27]; |
| 415 | s_2 = dest[26]; |
| 416 | |
| 417 | for (nSample = 0; nSample < 28; src++) |
| 418 | { |
| 419 | d = (int)*src; |
| 420 | s = (int)(signed short)((d & 0x0f) << 12); |
| 421 | |
| 422 | fa = s >> shift_factor; |
| 423 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); |
| 424 | s_2=s_1;s_1=fa; |
| 425 | |
| 426 | dest[nSample++] = fa; |
| 427 | |
| 428 | s = (int)(signed short)((d & 0xf0) << 8); |
| 429 | fa = s >> shift_factor; |
| 430 | fa += ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); |
| 431 | s_2=s_1;s_1=fa; |
| 432 | |
| 433 | dest[nSample++] = fa; |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | static int decode_block(int ch) |
| 438 | { |
| 439 | unsigned char *start; |
| 440 | int predict_nr,shift_factor,flags; |
| 441 | int ret = 0; |
| 442 | |
| 443 | start=s_chan[ch].pCurr; // set up the current pos |
| 444 | if(dwPendingChanOff&(1<<ch)) |
| 445 | { |
| 446 | dwChannelOn&=~(1<<ch); // -> turn everything off |
| 447 | dwPendingChanOff&=~(1<<ch); |
| 448 | s_chan[ch].bStop=1; |
| 449 | s_chan[ch].ADSRX.EnvelopeVol=0; |
| 450 | } |
| 451 | |
| 452 | //////////////////////////////////////////// irq check |
| 453 | |
| 454 | if(spuCtrl&CTRL_IRQ) |
| 455 | { |
| 456 | if(pSpuIrq == start) // irq address reached? |
| 457 | { |
| 458 | do_irq(); // -> call main emu |
| 459 | ret = 1; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | predict_nr=(int)start[0]; |
| 464 | shift_factor=predict_nr&0xf; |
| 465 | predict_nr >>= 4; |
| 466 | |
| 467 | decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); |
| 468 | |
| 469 | //////////////////////////////////////////// flag handler |
| 470 | |
| 471 | flags=(int)start[1]; |
| 472 | if(flags&4) |
| 473 | s_chan[ch].pLoop=start; // loop adress |
| 474 | |
| 475 | start+=16; |
| 476 | if(flags&1) // 1: stop/loop |
| 477 | { |
| 478 | if(!(flags&2)) |
| 479 | dwPendingChanOff|=1<<ch; |
| 480 | |
| 481 | start = s_chan[ch].pLoop; |
| 482 | } |
| 483 | |
| 484 | if (start - spuMemC >= 0x80000) { |
| 485 | // most likely wrong |
| 486 | start = spuMemC; |
| 487 | printf("ch%d oflow\n", ch); |
| 488 | } |
| 489 | |
| 490 | s_chan[ch].pCurr = start; // store values for next cycle |
| 491 | s_chan[ch].bJump = flags & 1; |
| 492 | |
| 493 | return ret; |
| 494 | } |
| 495 | |
| 496 | // do block, but ignore sample data |
| 497 | static int skip_block(int ch) |
| 498 | { |
| 499 | unsigned char *start = s_chan[ch].pCurr; |
| 500 | int flags = start[1]; |
| 501 | int ret = 0; |
| 502 | |
| 503 | if(start == pSpuIrq) |
| 504 | { |
| 505 | do_irq(); |
| 506 | ret = 1; |
| 507 | } |
| 508 | |
| 509 | if(flags & 4) |
| 510 | s_chan[ch].pLoop = start; |
| 511 | |
| 512 | s_chan[ch].pCurr += 16; |
| 513 | |
| 514 | if(flags & 1) |
| 515 | s_chan[ch].pCurr = s_chan[ch].pLoop; |
| 516 | |
| 517 | s_chan[ch].bJump = flags & 1; |
| 518 | return ret; |
| 519 | } |
| 520 | |
| 521 | #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ |
| 522 | static int do_samples_##name(int ch, int ns, int ns_to) \ |
| 523 | { \ |
| 524 | int sinc = s_chan[ch].sinc; \ |
| 525 | int spos = s_chan[ch].spos; \ |
| 526 | int sbpos = s_chan[ch].iSBPos; \ |
| 527 | int *SB = s_chan[ch].SB; \ |
| 528 | int ret = -1; \ |
| 529 | int d, fa; \ |
| 530 | interp_start; \ |
| 531 | \ |
| 532 | for (; ns < ns_to; ns++) \ |
| 533 | { \ |
| 534 | fmod_code; \ |
| 535 | \ |
| 536 | while (spos >= 0x10000) \ |
| 537 | { \ |
| 538 | if(sbpos == 28) \ |
| 539 | { \ |
| 540 | sbpos = 0; \ |
| 541 | d = decode_block(ch); \ |
| 542 | if(d && iSPUIRQWait) \ |
| 543 | { \ |
| 544 | ret = ns; \ |
| 545 | goto out; \ |
| 546 | } \ |
| 547 | } \ |
| 548 | \ |
| 549 | fa = SB[sbpos++]; \ |
| 550 | interp1_code; \ |
| 551 | spos -= 0x10000; \ |
| 552 | } \ |
| 553 | \ |
| 554 | interp2_code; \ |
| 555 | spos += sinc; \ |
| 556 | } \ |
| 557 | \ |
| 558 | out: \ |
| 559 | s_chan[ch].sinc = sinc; \ |
| 560 | s_chan[ch].spos = spos; \ |
| 561 | s_chan[ch].iSBPos = sbpos; \ |
| 562 | interp_end; \ |
| 563 | \ |
| 564 | return ret; \ |
| 565 | } |
| 566 | |
| 567 | #define fmod_recv_check \ |
| 568 | if(s_chan[ch].bFMod==1 && iFMod[ns]) \ |
| 569 | sinc = FModChangeFrequency(ch,ns) |
| 570 | |
| 571 | make_do_samples(default, fmod_recv_check, , |
| 572 | StoreInterpolationVal(ch, fa), |
| 573 | ChanBuf[ns] = iGetInterpolationVal(ch, spos), ) |
| 574 | make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) |
| 575 | |
| 576 | #define simple_interp_store \ |
| 577 | s_chan[ch].SB[28] = 0; \ |
| 578 | s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ |
| 579 | s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ |
| 580 | s_chan[ch].SB[31] = fa; \ |
| 581 | s_chan[ch].SB[32] = 1 |
| 582 | |
| 583 | #define simple_interp_get \ |
| 584 | if(sinc<0x10000) /* -> upsampling? */ \ |
| 585 | InterpolateUp(ch); /* --> interpolate up */ \ |
| 586 | else InterpolateDown(ch); /* --> else down */ \ |
| 587 | ChanBuf[ns] = s_chan[ch].SB[29] |
| 588 | |
| 589 | make_do_samples(simple, , , |
| 590 | simple_interp_store, simple_interp_get, ) |
| 591 | |
| 592 | static int do_samples_noise(int ch, int ns, int ns_to) |
| 593 | { |
| 594 | int level, shift, bit; |
| 595 | |
| 596 | s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); |
| 597 | while (s_chan[ch].spos >= 28*0x10000) |
| 598 | { |
| 599 | skip_block(ch); |
| 600 | s_chan[ch].spos -= 28*0x10000; |
| 601 | } |
| 602 | |
| 603 | // modified from DrHell/shalma, no fraction |
| 604 | level = (spuCtrl >> 10) & 0x0f; |
| 605 | level = 0x8000 >> level; |
| 606 | |
| 607 | for (; ns < ns_to; ns++) |
| 608 | { |
| 609 | dwNoiseCount += 2; |
| 610 | if (dwNoiseCount >= level) |
| 611 | { |
| 612 | dwNoiseCount -= level; |
| 613 | shift = (dwNoiseVal >> 10) & 0x1f; |
| 614 | bit = (0x69696969 >> shift) & 1; |
| 615 | if (dwNoiseVal & 0x8000) |
| 616 | bit ^= 1; |
| 617 | dwNoiseVal = (dwNoiseVal << 1) | bit; |
| 618 | } |
| 619 | |
| 620 | ChanBuf[ns] = (signed short)dwNoiseVal; |
| 621 | } |
| 622 | |
| 623 | return -1; |
| 624 | } |
| 625 | |
| 626 | #ifdef __arm__ |
| 627 | // asm code; lv and rv must be 0-3fff |
| 628 | extern void mix_chan(int start, int count, int lv, int rv); |
| 629 | extern void mix_chan_rvb(int start, int count, int lv, int rv); |
| 630 | #else |
| 631 | static void mix_chan(int start, int count, int lv, int rv) |
| 632 | { |
| 633 | int *dst = SSumLR + start * 2; |
| 634 | const int *src = ChanBuf + start; |
| 635 | int l, r; |
| 636 | |
| 637 | while (count--) |
| 638 | { |
| 639 | int sval = *src++; |
| 640 | |
| 641 | l = (sval * lv) >> 14; |
| 642 | r = (sval * rv) >> 14; |
| 643 | *dst++ += l; |
| 644 | *dst++ += r; |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | static void mix_chan_rvb(int start, int count, int lv, int rv) |
| 649 | { |
| 650 | int *dst = SSumLR + start * 2; |
| 651 | int *drvb = sRVBStart + start * 2; |
| 652 | const int *src = ChanBuf + start; |
| 653 | int l, r; |
| 654 | |
| 655 | while (count--) |
| 656 | { |
| 657 | int sval = *src++; |
| 658 | |
| 659 | l = (sval * lv) >> 14; |
| 660 | r = (sval * rv) >> 14; |
| 661 | *dst++ += l; |
| 662 | *dst++ += r; |
| 663 | *drvb++ += l; |
| 664 | *drvb++ += r; |
| 665 | } |
| 666 | } |
| 667 | #endif |
| 668 | |
| 669 | //////////////////////////////////////////////////////////////////////// |
| 670 | // MAIN SPU FUNCTION |
| 671 | // here is the main job handler... thread, timer or direct func call |
| 672 | // basically the whole sound processing is done in this fat func! |
| 673 | //////////////////////////////////////////////////////////////////////// |
| 674 | |
| 675 | // 5 ms waiting phase, if buffer is full and no new sound has to get started |
| 676 | // .. can be made smaller (smallest val: 1 ms), but bigger waits give |
| 677 | // better performance |
| 678 | |
| 679 | #define PAUSE_W 5 |
| 680 | #define PAUSE_L 5000 |
| 681 | |
| 682 | //////////////////////////////////////////////////////////////////////// |
| 683 | |
| 684 | static void *MAINThread(void *arg) |
| 685 | { |
| 686 | int volmult = iVolume; |
| 687 | int ns,ns_from,ns_to; |
| 688 | int ch,d,silentch; |
| 689 | int bIRQReturn=0; |
| 690 | |
| 691 | while(!bEndThread) // until we are shutting down |
| 692 | { |
| 693 | // ok, at the beginning we are looking if there is |
| 694 | // enuff free place in the dsound/oss buffer to |
| 695 | // fill in new data, or if there is a new channel to start. |
| 696 | // if not, we wait (thread) or return (timer/spuasync) |
| 697 | // until enuff free place is available/a new channel gets |
| 698 | // started |
| 699 | |
| 700 | if(dwNewChannel) // new channel should start immedately? |
| 701 | { // (at least one bit 0 ... MAXCHANNEL is set?) |
| 702 | iSecureStart++; // -> set iSecure |
| 703 | 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) |
| 704 | } |
| 705 | else iSecureStart=0; // 0: no new channel should start |
| 706 | |
| 707 | while(!iSecureStart && !bEndThread && // no new start? no thread end? |
| 708 | (SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer? |
| 709 | { |
| 710 | iSecureStart=0; // reset secure |
| 711 | |
| 712 | if(iUseTimer) return 0; // linux no-thread mode? bye |
| 713 | usleep(PAUSE_L); // else sleep for x ms (linux) |
| 714 | |
| 715 | if(dwNewChannel) iSecureStart=1; // if a new channel kicks in (or, of course, sound buffer runs low), we will leave the loop |
| 716 | } |
| 717 | |
| 718 | //--------------------------------------------------// continue from irq handling in timer mode? |
| 719 | |
| 720 | ns_from=0; |
| 721 | ns_to=NSSIZE; |
| 722 | ch=0; |
| 723 | if(lastch>=0) // will be -1 if no continue is pending |
| 724 | { |
| 725 | ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue |
| 726 | } |
| 727 | |
| 728 | silentch=~(dwChannelOn|dwNewChannel); |
| 729 | |
| 730 | //--------------------------------------------------// |
| 731 | //- main channel loop -// |
| 732 | //--------------------------------------------------// |
| 733 | { |
| 734 | for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel |
| 735 | { |
| 736 | if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound |
| 737 | if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next |
| 738 | |
| 739 | if(s_chan[ch].bNoise) |
| 740 | d=do_samples_noise(ch, ns_from, ns_to); |
| 741 | else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) |
| 742 | d=do_samples_noint(ch, ns_from, ns_to); |
| 743 | else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) |
| 744 | d=do_samples_simple(ch, ns_from, ns_to); |
| 745 | else |
| 746 | d=do_samples_default(ch, ns_from, ns_to); |
| 747 | if(d>=0) |
| 748 | { |
| 749 | bIRQReturn=1; |
| 750 | lastch=ch; |
| 751 | lastns=ns_to=d; |
| 752 | if(d==0) |
| 753 | break; |
| 754 | } |
| 755 | |
| 756 | MixADSR(ch, ns_from, ns_to); |
| 757 | |
| 758 | if(s_chan[ch].bFMod==2) // fmod freq channel |
| 759 | memcpy(iFMod, ChanBuf, sizeof(iFMod)); |
| 760 | else if(s_chan[ch].bRVBActive) |
| 761 | mix_chan_rvb(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
| 762 | else |
| 763 | mix_chan(ns_from,ns_to-ns_from,s_chan[ch].iLeftVolume,s_chan[ch].iRightVolume); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | // advance "stopped" channels that can cause irqs |
| 768 | // (all chans are always playing on the real thing..) |
| 769 | if(!bIRQReturn && (spuCtrl&CTRL_IRQ)) |
| 770 | for(ch=0;ch<MAXCHAN;ch++) |
| 771 | { |
| 772 | if(!(silentch&(1<<ch))) continue; // already handled |
| 773 | if(dwChannelDead&(1<<ch)) continue; |
| 774 | if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq) |
| 775 | continue; |
| 776 | |
| 777 | s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; |
| 778 | while(s_chan[ch].spos >= 28 * 0x10000) |
| 779 | { |
| 780 | unsigned char *start = s_chan[ch].pCurr; |
| 781 | |
| 782 | // no need for bIRQReturn since the channel is silent |
| 783 | iSpuAsyncWait |= skip_block(ch); |
| 784 | if(start == s_chan[ch].pCurr) |
| 785 | { |
| 786 | // looping on self |
| 787 | dwChannelDead |= 1<<ch; |
| 788 | s_chan[ch].spos = 0; |
| 789 | break; |
| 790 | } |
| 791 | |
| 792 | s_chan[ch].spos -= 28 * 0x10000; |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | if(bIRQReturn && iSPUIRQWait) // special return for "spu irq - wait for cpu action" |
| 797 | { |
| 798 | iSpuAsyncWait=1; |
| 799 | bIRQReturn=0; |
| 800 | if(iUseTimer!=2) |
| 801 | { |
| 802 | DWORD dwWatchTime=timeGetTime_spu()+2500; |
| 803 | |
| 804 | while(iSpuAsyncWait && !bEndThread && |
| 805 | timeGetTime_spu()<dwWatchTime) |
| 806 | usleep(1000L); |
| 807 | continue; |
| 808 | } |
| 809 | else |
| 810 | { |
| 811 | return 0; |
| 812 | } |
| 813 | } |
| 814 | |
| 815 | |
| 816 | //---------------------------------------------------// |
| 817 | //- here we have another 1 ms of sound data |
| 818 | //---------------------------------------------------// |
| 819 | // mix XA infos (if any) |
| 820 | |
| 821 | MixXA(); |
| 822 | |
| 823 | /////////////////////////////////////////////////////// |
| 824 | // mix all channels (including reverb) into one buffer |
| 825 | |
| 826 | if(iUseReverb) |
| 827 | REVERBDo(); |
| 828 | |
| 829 | if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) |
| 830 | { |
| 831 | memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); |
| 832 | pS += NSSIZE*2; |
| 833 | } |
| 834 | else |
| 835 | for (ns = 0; ns < NSSIZE*2; ) |
| 836 | { |
| 837 | d = SSumLR[ns]; SSumLR[ns] = 0; |
| 838 | d = d * volmult >> 10; |
| 839 | ssat32_to_16(d); |
| 840 | *pS++ = d; |
| 841 | ns++; |
| 842 | |
| 843 | d = SSumLR[ns]; SSumLR[ns] = 0; |
| 844 | d = d * volmult >> 10; |
| 845 | ssat32_to_16(d); |
| 846 | *pS++ = d; |
| 847 | ns++; |
| 848 | } |
| 849 | |
| 850 | ////////////////////////////////////////////////////// |
| 851 | // special irq handling in the decode buffers (0x0000-0x1000) |
| 852 | // we know: |
| 853 | // the decode buffers are located in spu memory in the following way: |
| 854 | // 0x0000-0x03ff CD audio left |
| 855 | // 0x0400-0x07ff CD audio right |
| 856 | // 0x0800-0x0bff Voice 1 |
| 857 | // 0x0c00-0x0fff Voice 3 |
| 858 | // and decoded data is 16 bit for one sample |
| 859 | // we assume: |
| 860 | // even if voices 1/3 are off or no cd audio is playing, the internal |
| 861 | // play positions will move on and wrap after 0x400 bytes. |
| 862 | // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and |
| 863 | // increase this pointer on each sample by 2 bytes. If this pointer |
| 864 | // (or 0x400 offsets of this pointer) hits the spuirq address, we generate |
| 865 | // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here |
| 866 | // in some of Peops timer modes. So: we ignore this option here (for now). |
| 867 | |
| 868 | if(pMixIrq) |
| 869 | { |
| 870 | for(ns=0;ns<NSSIZE;ns++) |
| 871 | { |
| 872 | if((spuCtrl&0x40) && pSpuIrq && pSpuIrq<spuMemC+0x1000) |
| 873 | { |
| 874 | for(ch=0;ch<4;ch++) |
| 875 | { |
| 876 | if(pSpuIrq>=pMixIrq+(ch*0x400) && pSpuIrq<pMixIrq+(ch*0x400)+2) |
| 877 | do_irq(); |
| 878 | } |
| 879 | } |
| 880 | pMixIrq+=2;if(pMixIrq>spuMemC+0x3ff) pMixIrq=spuMemC; |
| 881 | } |
| 882 | } |
| 883 | |
| 884 | InitREVERB(); |
| 885 | |
| 886 | // feed the sound |
| 887 | // wanna have around 1/60 sec (16.666 ms) updates |
| 888 | if (iCycle++ > 16/FRAG_MSECS) |
| 889 | { |
| 890 | SoundFeedStreamData((unsigned char *)pSpuBuffer, |
| 891 | ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); |
| 892 | pS = (short *)pSpuBuffer; |
| 893 | iCycle = 0; |
| 894 | } |
| 895 | } |
| 896 | |
| 897 | // end of big main loop... |
| 898 | |
| 899 | bThreadEnded = 1; |
| 900 | |
| 901 | return 0; |
| 902 | } |
| 903 | |
| 904 | // SPU ASYNC... even newer epsxe func |
| 905 | // 1 time every 'cycle' cycles... harhar |
| 906 | |
| 907 | // rearmed: called every 2ms now |
| 908 | |
| 909 | void CALLBACK SPUasync(unsigned long cycle) |
| 910 | { |
| 911 | if(iSpuAsyncWait) |
| 912 | { |
| 913 | iSpuAsyncWait++; |
| 914 | if(iSpuAsyncWait<=16/2) return; |
| 915 | iSpuAsyncWait=0; |
| 916 | } |
| 917 | |
| 918 | if(iUseTimer==2) // special mode, only used in Linux by this spu (or if you enable the experimental Windows mode) |
| 919 | { |
| 920 | if(!bSpuInit) return; // -> no init, no call |
| 921 | |
| 922 | MAINThread(0); // -> linux high-compat mode |
| 923 | |
| 924 | // abuse iSpuAsyncWait mechanism to reduce calls to above function |
| 925 | // to make it do larger chunks |
| 926 | // note: doing it less often than once per frame causes skips |
| 927 | iSpuAsyncWait=1; |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | // SPU UPDATE... new epsxe func |
| 932 | // 1 time every 32 hsync lines |
| 933 | // (312/32)x50 in pal |
| 934 | // (262/32)x60 in ntsc |
| 935 | |
| 936 | // since epsxe 1.5.2 (linux) uses SPUupdate, not SPUasync, I will |
| 937 | // leave that func in the linux port, until epsxe linux is using |
| 938 | // the async function as well |
| 939 | |
| 940 | void CALLBACK SPUupdate(void) |
| 941 | { |
| 942 | SPUasync(0); |
| 943 | } |
| 944 | |
| 945 | // XA AUDIO |
| 946 | |
| 947 | void CALLBACK SPUplayADPCMchannel(xa_decode_t *xap) |
| 948 | { |
| 949 | if(!xap) return; |
| 950 | if(!xap->freq) return; // no xa freq ? bye |
| 951 | |
| 952 | FeedXA(xap); // call main XA feeder |
| 953 | } |
| 954 | |
| 955 | // CDDA AUDIO |
| 956 | int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) |
| 957 | { |
| 958 | if (!pcm) return -1; |
| 959 | if (nbytes<=0) return -1; |
| 960 | |
| 961 | return FeedCDDA((unsigned char *)pcm, nbytes); |
| 962 | } |
| 963 | |
| 964 | // SETUPTIMER: init of certain buffers and threads/timers |
| 965 | void SetupTimer(void) |
| 966 | { |
| 967 | memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers |
| 968 | memset(iFMod,0,NSSIZE*sizeof(int)); |
| 969 | pS=(short *)pSpuBuffer; // setup soundbuffer pointer |
| 970 | |
| 971 | bEndThread=0; // init thread vars |
| 972 | bThreadEnded=0; |
| 973 | bSpuInit=1; // flag: we are inited |
| 974 | |
| 975 | if(!iUseTimer) // linux: use thread |
| 976 | { |
| 977 | pthread_create(&thread, NULL, MAINThread, NULL); |
| 978 | } |
| 979 | } |
| 980 | |
| 981 | // REMOVETIMER: kill threads/timers |
| 982 | void RemoveTimer(void) |
| 983 | { |
| 984 | bEndThread=1; // raise flag to end thread |
| 985 | |
| 986 | if(!iUseTimer) // linux tread? |
| 987 | { |
| 988 | int i=0; |
| 989 | while(!bThreadEnded && i<2000) {usleep(1000L);i++;} // -> wait until thread has ended |
| 990 | if(thread!=(pthread_t)-1) {pthread_cancel(thread);thread=(pthread_t)-1;} // -> cancel thread anyway |
| 991 | } |
| 992 | |
| 993 | bThreadEnded=0; // no more spu is running |
| 994 | bSpuInit=0; |
| 995 | } |
| 996 | |
| 997 | // SETUPSTREAMS: init most of the spu buffers |
| 998 | void SetupStreams(void) |
| 999 | { |
| 1000 | int i; |
| 1001 | |
| 1002 | pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer |
| 1003 | |
| 1004 | if(iUseReverb==1) i=88200*2; |
| 1005 | else i=NSSIZE*2; |
| 1006 | |
| 1007 | sRVBStart = (int *)malloc(i*4); // alloc reverb buffer |
| 1008 | memset(sRVBStart,0,i*4); |
| 1009 | sRVBEnd = sRVBStart + i; |
| 1010 | sRVBPlay = sRVBStart; |
| 1011 | |
| 1012 | XAStart = // alloc xa buffer |
| 1013 | (uint32_t *)malloc(44100 * sizeof(uint32_t)); |
| 1014 | XAEnd = XAStart + 44100; |
| 1015 | XAPlay = XAStart; |
| 1016 | XAFeed = XAStart; |
| 1017 | |
| 1018 | CDDAStart = // alloc cdda buffer |
| 1019 | (uint32_t *)malloc(CDDA_BUFFER_SIZE); |
| 1020 | CDDAEnd = CDDAStart + 16384; |
| 1021 | CDDAPlay = CDDAStart; |
| 1022 | CDDAFeed = CDDAStart; |
| 1023 | |
| 1024 | for(i=0;i<MAXCHAN;i++) // loop sound channels |
| 1025 | { |
| 1026 | // we don't use mutex sync... not needed, would only |
| 1027 | // slow us down: |
| 1028 | // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); |
| 1029 | s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain |
| 1030 | s_chan[i].pLoop=spuMemC; |
| 1031 | s_chan[i].pCurr=spuMemC; |
| 1032 | } |
| 1033 | |
| 1034 | pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address |
| 1035 | } |
| 1036 | |
| 1037 | // REMOVESTREAMS: free most buffer |
| 1038 | void RemoveStreams(void) |
| 1039 | { |
| 1040 | free(pSpuBuffer); // free mixing buffer |
| 1041 | pSpuBuffer = NULL; |
| 1042 | free(sRVBStart); // free reverb buffer |
| 1043 | sRVBStart = NULL; |
| 1044 | free(XAStart); // free XA buffer |
| 1045 | XAStart = NULL; |
| 1046 | free(CDDAStart); // free CDDA buffer |
| 1047 | CDDAStart = NULL; |
| 1048 | } |
| 1049 | |
| 1050 | // INIT/EXIT STUFF |
| 1051 | |
| 1052 | // SPUINIT: this func will be called first by the main emu |
| 1053 | long CALLBACK SPUinit(void) |
| 1054 | { |
| 1055 | spuMemC = (unsigned char *)spuMem; // just small setup |
| 1056 | memset((void *)&rvb, 0, sizeof(REVERBInfo)); |
| 1057 | InitADSR(); |
| 1058 | |
| 1059 | spuIrq = 0; |
| 1060 | spuAddr = 0xffffffff; |
| 1061 | bEndThread = 0; |
| 1062 | bThreadEnded = 0; |
| 1063 | spuMemC = (unsigned char *)spuMem; |
| 1064 | pMixIrq = 0; |
| 1065 | memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); |
| 1066 | pSpuIrq = 0; |
| 1067 | //iSPUIRQWait = 0; |
| 1068 | lastch = -1; |
| 1069 | |
| 1070 | //ReadConfigSPU(); // read user stuff |
| 1071 | SetupStreams(); // prepare streaming |
| 1072 | |
| 1073 | return 0; |
| 1074 | } |
| 1075 | |
| 1076 | // SPUOPEN: called by main emu after init |
| 1077 | long CALLBACK SPUopen(void) |
| 1078 | { |
| 1079 | if (bSPUIsOpen) return 0; // security for some stupid main emus |
| 1080 | |
| 1081 | SetupSound(); // setup sound (before init!) |
| 1082 | SetupTimer(); // timer for feeding data |
| 1083 | |
| 1084 | bSPUIsOpen = 1; |
| 1085 | |
| 1086 | return PSE_SPU_ERR_SUCCESS; |
| 1087 | } |
| 1088 | |
| 1089 | // SPUCLOSE: called before shutdown |
| 1090 | long CALLBACK SPUclose(void) |
| 1091 | { |
| 1092 | if (!bSPUIsOpen) return 0; // some security |
| 1093 | |
| 1094 | bSPUIsOpen = 0; // no more open |
| 1095 | |
| 1096 | RemoveTimer(); // no more feeding |
| 1097 | RemoveSound(); // no more sound handling |
| 1098 | |
| 1099 | return 0; |
| 1100 | } |
| 1101 | |
| 1102 | // SPUSHUTDOWN: called by main emu on final exit |
| 1103 | long CALLBACK SPUshutdown(void) |
| 1104 | { |
| 1105 | SPUclose(); |
| 1106 | RemoveStreams(); // no more streaming |
| 1107 | |
| 1108 | return 0; |
| 1109 | } |
| 1110 | |
| 1111 | // SPUTEST: we don't test, we are always fine ;) |
| 1112 | long CALLBACK SPUtest(void) |
| 1113 | { |
| 1114 | return 0; |
| 1115 | } |
| 1116 | |
| 1117 | // SPUCONFIGURE: call config dialog |
| 1118 | long CALLBACK SPUconfigure(void) |
| 1119 | { |
| 1120 | #ifdef _MACOSX |
| 1121 | DoConfiguration(); |
| 1122 | #else |
| 1123 | // StartCfgTool("CFG"); |
| 1124 | #endif |
| 1125 | return 0; |
| 1126 | } |
| 1127 | |
| 1128 | // SPUABOUT: show about window |
| 1129 | void CALLBACK SPUabout(void) |
| 1130 | { |
| 1131 | #ifdef _MACOSX |
| 1132 | DoAbout(); |
| 1133 | #else |
| 1134 | // StartCfgTool("ABOUT"); |
| 1135 | #endif |
| 1136 | } |
| 1137 | |
| 1138 | // SETUP CALLBACKS |
| 1139 | // this functions will be called once, |
| 1140 | // passes a callback that should be called on SPU-IRQ/cdda volume change |
| 1141 | void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) |
| 1142 | { |
| 1143 | irqCallback = callback; |
| 1144 | } |
| 1145 | |
| 1146 | void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) |
| 1147 | { |
| 1148 | cddavCallback = CDDAVcallback; |
| 1149 | } |
| 1150 | |
| 1151 | // COMMON PLUGIN INFO FUNCS |
| 1152 | /* |
| 1153 | char * CALLBACK PSEgetLibName(void) |
| 1154 | { |
| 1155 | return _(libraryName); |
| 1156 | } |
| 1157 | |
| 1158 | unsigned long CALLBACK PSEgetLibType(void) |
| 1159 | { |
| 1160 | return PSE_LT_SPU; |
| 1161 | } |
| 1162 | |
| 1163 | unsigned long CALLBACK PSEgetLibVersion(void) |
| 1164 | { |
| 1165 | return (1 << 16) | (6 << 8); |
| 1166 | } |
| 1167 | |
| 1168 | char * SPUgetLibInfos(void) |
| 1169 | { |
| 1170 | return _(libraryInfo); |
| 1171 | } |
| 1172 | */ |
| 1173 | |
| 1174 | // debug |
| 1175 | void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out) |
| 1176 | { |
| 1177 | int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0; |
| 1178 | |
| 1179 | for(;ch<MAXCHAN;ch++) |
| 1180 | { |
| 1181 | if (!(dwChannelOn & (1<<ch))) |
| 1182 | continue; |
| 1183 | if (s_chan[ch].bFMod == 2) |
| 1184 | fmod_chans |= 1 << ch; |
| 1185 | if (s_chan[ch].bNoise) |
| 1186 | noise_chans |= 1 << ch; |
| 1187 | if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq) |
| 1188 | irq_chans |= 1 << ch; |
| 1189 | } |
| 1190 | |
| 1191 | *chans_out = dwChannelOn; |
| 1192 | *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans; |
| 1193 | *fmod_chans_out = fmod_chans; |
| 1194 | *noise_chans_out = noise_chans; |
| 1195 | } |
| 1196 | |
| 1197 | // vim:shiftwidth=1:expandtab |