X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fdfsound%2Fspu.c;h=66ab15036ccd8d61c897d52b5085ee0f2d193a5c;hp=3d598db41b3c0a75e9abbec47e43fa002740cde8;hb=9ad8abfa940cd5c13eb0653639ea86736b65a2c4;hpb=650adfd2da779ba8855623362c2900583e22931e diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c index 3d598db4..66ab1503 100644 --- a/plugins/dfsound/spu.c +++ b/plugins/dfsound/spu.c @@ -5,7 +5,7 @@ copyright : (C) 2002 by Pete Bernert email : BlackDove@addcom.de - Portions (C) Gražvydas "notaz" Ignotas, 2010-2012 + Portions (C) Gražvydas "notaz" Ignotas, 2010-2012,2014 ***************************************************************************/ /*************************************************************************** @@ -18,6 +18,9 @@ * * ***************************************************************************/ +#ifndef _WIN32 +#include // gettimeofday in xa.c +#endif #include "stdafx.h" #define _IN_SPU @@ -26,16 +29,7 @@ #include "registers.h" #include "out.h" #include "arm_features.h" - -#ifdef ENABLE_NLS -#include -#include -#define _(x) gettext(x) -#define N_(x) (x) -#else -#define _(x) (x) -#define N_(x) (x) -#endif +#include "spu_config.h" #ifdef __ARM_ARCH_7A__ #define ssat32_to_16(v) \ @@ -72,45 +66,14 @@ static char * libraryInfo = N_("P.E.Op.S. Sound Driver V1.7\nCoded by Pete B // globals -// psx buffer / addresses - -unsigned short regArea[10000]; -unsigned short spuMem[256*1024]; -unsigned char * spuMemC; -unsigned char * pSpuIrq=0; -unsigned char * pSpuBuffer; - -// user settings - -int iVolume=768; // 1024 is 1.0 -int iXAPitch=1; -int iUseReverb=2; -int iUseInterpolation=2; +SPUInfo spu; +SPUConfig spu_config; // MAIN infos struct for each channel SPUCHAN s_chan[MAXCHAN+1]; // channel + 1 infos (1 is security for fmod handling) REVERBInfo rvb; -unsigned int dwNoiseVal; // global noise generator -unsigned int dwNoiseCount; - -unsigned short spuCtrl=0; // some vars to store psx reg infos -unsigned short spuStat=0; -unsigned short spuIrq=0; -unsigned long spuAddr=0xffffffff; // address into spu mem -int bSpuInit=0; -int bSPUIsOpen=0; - -unsigned int dwNewChannel=0; // flags for faster testing, if new channel starts -unsigned int dwChannelOn=0; // not silent channels -unsigned int dwPendingChanOff=0; -unsigned int dwChannelDead=0; // silent+not useful channels - -void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq -void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; -void (CALLBACK *scheduleCallback)(unsigned int)=0; - // certain globals (were local before, but with the new timeproc I need em global) static const int f[8][2] = { { 0, 0 }, @@ -118,14 +81,9 @@ static const int f[8][2] = { { 0, 0 }, { 115, -52 }, { 98, -55 }, { 122, -60 } }; -int ChanBuf[NSSIZE+3]; -int SSumLR[(NSSIZE+3)*2]; +int ChanBuf[NSSIZE]; +int SSumLR[NSSIZE*2]; int iFMod[NSSIZE]; -short * pS; - -static int decode_dirty_ch; -int decode_pos; -unsigned int cycles_played; #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 @@ -180,71 +138,70 @@ unsigned int cycles_played; // / // - -INLINE void InterpolateUp(int ch) +static void InterpolateUp(int *SB, int sinc) { - if(s_chan[ch].SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass + if(SB[32]==1) // flag == 1? calc step and set flag... and don't change the value in this pass { - const int id1=s_chan[ch].SB[30]-s_chan[ch].SB[29]; // curr delta to next val - const int id2=s_chan[ch].SB[31]-s_chan[ch].SB[30]; // and next delta to next-next val :) + const int id1=SB[30]-SB[29]; // curr delta to next val + const int id2=SB[31]-SB[30]; // and next delta to next-next val :) - s_chan[ch].SB[32]=0; + SB[32]=0; if(id1>0) // curr delta positive { if(id2>16; else - s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; + SB[28]=(id1*sinc)>>17; } else // curr delta negative { if(id2>id1) - {s_chan[ch].SB[28]=id1;s_chan[ch].SB[32]=2;} + {SB[28]=id1;SB[32]=2;} else if(id2>(id1<<1)) - s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x10000L; + SB[28]=(id1*sinc)>>16; else - s_chan[ch].SB[28]=(id1*s_chan[ch].sinc)/0x20000L; + SB[28]=(id1*sinc)>>17; } } else - if(s_chan[ch].SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass + if(SB[32]==2) // flag 1: calc step and set flag... and don't change the value in this pass { - s_chan[ch].SB[32]=0; + SB[32]=0; - s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L; - //if(s_chan[ch].sinc<=0x8000) - // s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1)); + SB[28]=(SB[28]*sinc)>>17; + //if(sinc<=0x8000) + // SB[29]=SB[30]-(SB[28]*((0x10000/sinc)-1)); //else - s_chan[ch].SB[29]+=s_chan[ch].SB[28]; + SB[29]+=SB[28]; } else // no flags? add bigger val (if possible), calc smaller step, set flag1 - s_chan[ch].SB[29]+=s_chan[ch].SB[28]; + SB[29]+=SB[28]; } // // even easier interpolation on downsampling, also no special filter, again just "Pete's common sense" tm // -INLINE void InterpolateDown(int ch) +static void InterpolateDown(int *SB, int sinc) { - if(s_chan[ch].sinc>=0x20000L) // we would skip at least one val? + if(sinc>=0x20000L) // we would skip at least one val? { - s_chan[ch].SB[29]+=(s_chan[ch].SB[30]-s_chan[ch].SB[29])/2; // add easy weight - if(s_chan[ch].sinc>=0x30000L) // we would skip even more vals? - s_chan[ch].SB[29]+=(s_chan[ch].SB[31]-s_chan[ch].SB[30])/2;// add additional next weight + SB[29]+=(SB[30]-SB[29])/2; // add easy weight + if(sinc>=0x30000L) // we would skip even more vals? + SB[29]+=(SB[31]-SB[30])/2; // add additional next weight } } //////////////////////////////////////////////////////////////////////// // helpers for gauss interpolation -#define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) -#define gval(x) ((int)((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) +#define gval0 (((short*)(&SB[29]))[gpos&3]) +#define gval(x) ((int)((short*)(&SB[29]))[(gpos+x)&3]) #include "gauss_i.h" @@ -254,18 +211,18 @@ INLINE void InterpolateDown(int ch) static void do_irq(void) { - //if(!(spuStat & STAT_IRQ)) + //if(!(spu.spuStat & STAT_IRQ)) { - spuStat |= STAT_IRQ; // asserted status? - if(irqCallback) irqCallback(); + spu.spuStat |= STAT_IRQ; // asserted status? + if(spu.irqCallback) spu.irqCallback(); } } static int check_irq(int ch, unsigned char *pos) { - if((spuCtrl & CTRL_IRQ) && pos == pSpuIrq) + if((spu.spuCtrl & CTRL_IRQ) && pos == spu.pSpuIrq) { - //printf("ch%d irq %04x\n", ch, pos - spuMemC); + //printf("ch%d irq %04x\n", ch, pos - spu.spuMemC); do_irq(); return 1; } @@ -281,42 +238,40 @@ INLINE void StartSound(int ch) StartADSR(ch); StartREVERB(ch); - // fussy timing issues - do in VoiceOn - //s_chan[ch].pCurr=s_chan[ch].pStart; // set sample start - //s_chan[ch].bStop=0; - //s_chan[ch].bOn=1; + s_chan[ch].prevflags=2; s_chan[ch].SB[26]=0; // init mixing vars s_chan[ch].SB[27]=0; - s_chan[ch].iSBPos=28; + s_chan[ch].iSBPos=27; + s_chan[ch].SB[28]=0; s_chan[ch].SB[29]=0; // init our interpolation helpers s_chan[ch].SB[30]=0; + s_chan[ch].SB[31]=0; + s_chan[ch].spos=0; - if(iUseInterpolation>=2) // gauss interpolation? - {s_chan[ch].spos=0x30000L;s_chan[ch].SB[28]=0;} // -> start with more decoding - else {s_chan[ch].spos=0x10000L;s_chan[ch].SB[31]=0;} // -> no/simple interpolation starts with one 44100 decoding - - dwNewChannel&=~(1<>15; if(NP>0x3fff) NP=0x3fff; if(NP<0x1) NP=0x1; sinc=NP<<4; // calc frequency - if(iUseInterpolation==1) // freq change in simple interpolation mode - s_chan[ch].SB[32]=1; + if(spu_config.iUseInterpolation==1) // freq change in simple interpolation mode + SB[32]=1; iFMod[ns]=0; return sinc; @@ -324,50 +279,50 @@ INLINE int FModChangeFrequency(int ch,int ns) //////////////////////////////////////////////////////////////////////// -INLINE void StoreInterpolationVal(int ch,int fa) +INLINE void StoreInterpolationVal(int *SB, int sinc, int fa, int fmod_freq) { - if(s_chan[ch].bFMod==2) // fmod freq channel - s_chan[ch].SB[29]=fa; + if(fmod_freq) // fmod freq channel + SB[29]=fa; else { ssat32_to_16(fa); - if(iUseInterpolation>=2) // gauss/cubic interpolation - { - int gpos = s_chan[ch].SB[28]; - gval0 = fa; + if(spu_config.iUseInterpolation>=2) // gauss/cubic interpolation + { + int gpos = SB[28]; + gval0 = fa; gpos = (gpos+1) & 3; - s_chan[ch].SB[28] = gpos; + SB[28] = gpos; } else - if(iUseInterpolation==1) // simple interpolation + if(spu_config.iUseInterpolation==1) // simple interpolation { - s_chan[ch].SB[28] = 0; - 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' - s_chan[ch].SB[30] = s_chan[ch].SB[31]; - s_chan[ch].SB[31] = fa; - s_chan[ch].SB[32] = 1; // -> flag: calc new interolation + SB[28] = 0; + SB[29] = 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' + SB[30] = SB[31]; + SB[31] = fa; + SB[32] = 1; // -> flag: calc new interolation } - else s_chan[ch].SB[29]=fa; // no interpolation + else SB[29]=fa; // no interpolation } } //////////////////////////////////////////////////////////////////////// -INLINE int iGetInterpolationVal(int ch, int spos) +INLINE int iGetInterpolationVal(int *SB, int sinc, int spos, int fmod_freq) { int fa; - if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; + if(fmod_freq) return SB[29]; - switch(iUseInterpolation) - { + switch(spu_config.iUseInterpolation) + { //--------------------------------------------------// case 3: // cubic interpolation { long xd;int gpos; xd = (spos >> 1)+1; - gpos = s_chan[ch].SB[28]; + gpos = SB[28]; fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0; fa *= (xd - (2<<15)) / 6; @@ -386,7 +341,7 @@ INLINE int iGetInterpolationVal(int ch, int spos) { int vl, vr;int gpos; vl = (spos >> 6) & ~3; - gpos = s_chan[ch].SB[28]; + gpos = SB[28]; vr=(gauss[vl]*(int)gval0)&~2047; vr+=(gauss[vl+1]*gval(1))&~2047; vr+=(gauss[vl+2]*gval(2))&~2047; @@ -396,15 +351,15 @@ INLINE int iGetInterpolationVal(int ch, int spos) //--------------------------------------------------// case 1: // simple interpolation { - if(s_chan[ch].sinc<0x10000L) // -> upsampling? - InterpolateUp(ch); // --> interpolate up - else InterpolateDown(ch); // --> else down - fa=s_chan[ch].SB[29]; + if(sinc<0x10000L) // -> upsampling? + InterpolateUp(SB, sinc); // --> interpolate up + else InterpolateDown(SB, sinc); // --> else down + fa=SB[29]; } break; //--------------------------------------------------// default: // no interpolation { - fa=s_chan[ch].SB[29]; + fa=SB[29]; } break; //--------------------------------------------------// } @@ -440,53 +395,45 @@ static void decode_block_data(int *dest, const unsigned char *src, int predict_n } } -static int decode_block(int ch) +static int decode_block(int ch, int *SB) { unsigned char *start; - int predict_nr,shift_factor,flags; - int stop = 0; + int predict_nr, shift_factor, flags; int ret = 0; start = s_chan[ch].pCurr; // set up the current pos - if(start == spuMemC) // ? - stop = 1; + if (start == spu.spuMemC) // ? + ret = 1; - if(s_chan[ch].prevflags&1) // 1: stop/loop + if (s_chan[ch].prevflags & 1) // 1: stop/loop { - if(!(s_chan[ch].prevflags&2)) - stop = 1; + if (!(s_chan[ch].prevflags & 2)) + ret = 1; start = s_chan[ch].pLoop; } else - ret = check_irq(ch, start); // hack, see check_irq below.. - - if(stop) - { - dwChannelOn &= ~(1< turn everything off - s_chan[ch].bStop = 1; - s_chan[ch].ADSRX.EnvelopeVol = 0; - } + check_irq(ch, start); // hack, see check_irq below.. - predict_nr=(int)start[0]; - shift_factor=predict_nr&0xf; + predict_nr = (int)start[0]; + shift_factor = predict_nr & 0xf; predict_nr >>= 4; - decode_block_data(s_chan[ch].SB, start + 2, predict_nr, shift_factor); + decode_block_data(SB, start + 2, predict_nr, shift_factor); - flags=(int)start[1]; - if(flags&4) - s_chan[ch].pLoop=start; // loop adress + flags = start[1]; + if (flags & 4) + s_chan[ch].pLoop = start; // loop adress - start+=16; + start += 16; - if(flags&1) { // 1: stop/loop + if (flags & 1) { // 1: stop/loop start = s_chan[ch].pLoop; - ret |= check_irq(ch, start); // hack.. :( + check_irq(ch, start); // hack.. :( } - if (start - spuMemC >= 0x80000) - start = spuMemC; + if (start - spu.spuMemC >= 0x80000) + start = spu.spuMemC; s_chan[ch].pCurr = start; // store values for next cycle s_chan[ch].prevflags = flags; @@ -498,19 +445,28 @@ static int decode_block(int ch) static int skip_block(int ch) { unsigned char *start = s_chan[ch].pCurr; - int flags = start[1]; - int ret = check_irq(ch, start); + int flags; + int ret = 0; + + if (s_chan[ch].prevflags & 1) { + if (!(s_chan[ch].prevflags & 2)) + ret = 1; - if(s_chan[ch].prevflags & 1) start = s_chan[ch].pLoop; + } + else + check_irq(ch, start); - if(flags & 4) + flags = start[1]; + if (flags & 4) s_chan[ch].pLoop = start; start += 16; - if(flags & 1) + if (flags & 1) { start = s_chan[ch].pLoop; + check_irq(ch, start); + } s_chan[ch].pCurr = start; s_chan[ch].prevflags = flags; @@ -533,13 +489,13 @@ static void scan_for_irq(int ch, unsigned int *upd_samples) pos += (28 - s_chan[ch].iSBPos) << 16; while (pos < end) { - if (block == pSpuIrq) + if (block == spu.pSpuIrq) break; flags = block[1]; block += 16; if (flags & 1) { // 1: stop/loop block = s_chan[ch].pLoop; - if (block == pSpuIrq) // hack.. (see decode_block) + if (block == spu.pSpuIrq) // hack.. (see decode_block) break; } pos += 28 << 16; @@ -559,17 +515,17 @@ static void scan_for_irq(int ch, unsigned int *upd_samples) } #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ -static noinline int do_samples_##name(int ch, int ns, int ns_to) \ +static noinline int do_samples_##name(int ch, int ns_to) \ { \ int sinc = s_chan[ch].sinc; \ int spos = s_chan[ch].spos; \ int sbpos = s_chan[ch].iSBPos; \ int *SB = s_chan[ch].SB; \ - int ret = -1; \ - int d, fa; \ + int ns, d, fa; \ + int ret = ns_to; \ interp_start; \ \ - for (; ns < ns_to; ns++) \ + for (ns = 0; ns < ns_to; ns++) \ { \ fmod_code; \ \ @@ -577,12 +533,12 @@ static noinline int do_samples_##name(int ch, int ns, int ns_to) \ while (spos >= 0x10000) \ { \ fa = SB[sbpos++]; \ - if(sbpos >= 28) \ + if (sbpos >= 28) \ { \ sbpos = 0; \ - d = decode_block(ch); \ - if(d) \ - ret = /*ns_to =*/ ns + 1; \ + d = decode_block(ch, SB); \ + if (d && ns < ret) \ + ret = ns; \ } \ \ interp1_code; \ @@ -602,70 +558,99 @@ static noinline int do_samples_##name(int ch, int ns, int ns_to) \ #define fmod_recv_check \ if(s_chan[ch].bFMod==1 && iFMod[ns]) \ - sinc = FModChangeFrequency(ch,ns) + sinc = FModChangeFrequency(SB, s_chan[ch].iRawPitch, ns) make_do_samples(default, fmod_recv_check, , - StoreInterpolationVal(ch, fa), - ChanBuf[ns] = iGetInterpolationVal(ch, spos), ) -make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa) + StoreInterpolationVal(SB, sinc, fa, s_chan[ch].bFMod==2), + ChanBuf[ns] = iGetInterpolationVal(SB, sinc, spos, s_chan[ch].bFMod==2), ) +make_do_samples(noint, , fa = SB[29], , ChanBuf[ns] = fa, SB[29] = fa) #define simple_interp_store \ - s_chan[ch].SB[28] = 0; \ - s_chan[ch].SB[29] = s_chan[ch].SB[30]; \ - s_chan[ch].SB[30] = s_chan[ch].SB[31]; \ - s_chan[ch].SB[31] = fa; \ - s_chan[ch].SB[32] = 1 + SB[28] = 0; \ + SB[29] = SB[30]; \ + SB[30] = SB[31]; \ + SB[31] = fa; \ + SB[32] = 1 #define simple_interp_get \ - if(sinc<0x10000) /* -> upsampling? */ \ - InterpolateUp(ch); /* --> interpolate up */ \ - else InterpolateDown(ch); /* --> else down */ \ - ChanBuf[ns] = s_chan[ch].SB[29] + if(sinc<0x10000) /* -> upsampling? */ \ + InterpolateUp(SB, sinc); /* --> interpolate up */ \ + else InterpolateDown(SB, sinc); /* --> else down */ \ + ChanBuf[ns] = SB[29] make_do_samples(simple, , , simple_interp_store, simple_interp_get, ) -static noinline int do_samples_noise(int ch, int ns, int ns_to) +static int do_samples_skip(int ch, int ns_to) { - int level, shift, bit; - int ret = -1, d; + int ret = ns_to, ns, d; + + s_chan[ch].spos += s_chan[ch].iSBPos << 16; - s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns); - while (s_chan[ch].spos >= 28*0x10000) + for (ns = 0; ns < ns_to; ns++) { - d = skip_block(ch); - if (d) - ret = ns_to; - s_chan[ch].spos -= 28*0x10000; + s_chan[ch].spos += s_chan[ch].sinc; + while (s_chan[ch].spos >= 28*0x10000) + { + d = skip_block(ch); + if (d && ns < ret) + ret = ns; + s_chan[ch].spos -= 28*0x10000; + } } + s_chan[ch].iSBPos = s_chan[ch].spos >> 16; + s_chan[ch].spos &= 0xffff; + + return ret; +} + +static void do_lsfr_samples(int ns_to, int ctrl, + unsigned int *dwNoiseCount, unsigned int *dwNoiseVal) +{ + unsigned int counter = *dwNoiseCount; + unsigned int val = *dwNoiseVal; + unsigned int level, shift, bit; + int ns; + // modified from DrHell/shalma, no fraction - level = (spuCtrl >> 10) & 0x0f; + level = (ctrl >> 10) & 0x0f; level = 0x8000 >> level; - for (; ns < ns_to; ns++) + for (ns = 0; ns < ns_to; ns++) { - dwNoiseCount += 2; - if (dwNoiseCount >= level) + counter += 2; + if (counter >= level) { - dwNoiseCount -= level; - shift = (dwNoiseVal >> 10) & 0x1f; + counter -= level; + shift = (val >> 10) & 0x1f; bit = (0x69696969 >> shift) & 1; - if (dwNoiseVal & 0x8000) - bit ^= 1; - dwNoiseVal = (dwNoiseVal << 1) | bit; + bit ^= (val >> 15) & 1; + val = (val << 1) | bit; } - ChanBuf[ns] = (signed short)dwNoiseVal; + ChanBuf[ns] = (signed short)val; } + *dwNoiseCount = counter; + *dwNoiseVal = val; +} + +static int do_samples_noise(int ch, int ns_to) +{ + int ret; + + ret = do_samples_skip(ch, ns_to); + + do_lsfr_samples(ns_to, spu.spuCtrl, &spu.dwNoiseCount, &spu.dwNoiseVal); + return ret; } #ifdef HAVE_ARMV5 // asm code; lv and rv must be 0-3fff extern void mix_chan(int start, int count, int lv, int rv); -extern void mix_chan_rvb(int start, int count, int lv, int rv); +extern void mix_chan_rvb(int start, int count, int lv, int rv, int *rvb); #else static void mix_chan(int start, int count, int lv, int rv) { @@ -684,10 +669,10 @@ static void mix_chan(int start, int count, int lv, int rv) } } -static void mix_chan_rvb(int start, int count, int lv, int rv) +static void mix_chan_rvb(int start, int count, int lv, int rv, int *rvb) { int *dst = SSumLR + start * 2; - int *drvb = sRVBStart + start * 2; + int *drvb = rvb + start * 2; const int *src = ChanBuf + start; int l, r; @@ -707,11 +692,12 @@ static void mix_chan_rvb(int start, int count, int lv, int rv) // 0x0800-0x0bff Voice 1 // 0x0c00-0x0fff Voice 3 -static noinline void do_decode_bufs(int which, int start, int count) +static noinline void do_decode_bufs(unsigned short *mem, int which, + int count, int decode_pos) { - const int *src = ChanBuf + start; - unsigned short *dst = &spuMem[0x800/2 + which*0x400/2]; - int cursor = decode_pos + start; + unsigned short *dst = &mem[0x800/2 + which*0x400/2]; + const int *src = ChanBuf; + int cursor = decode_pos; while (count-- > 0) { @@ -723,25 +709,102 @@ static noinline void do_decode_bufs(int which, int start, int count) // decode_pos is updated and irqs are checked later, after voice loop } +static void do_silent_chans(int ns_to, int silentch) +{ + int ch; + + for (ch = 0; ch < MAXCHAN; ch++) + { + if (!(silentch & (1< spu.pSpuIrq && s_chan[ch].pLoop > spu.pSpuIrq) + continue; + + s_chan[ch].spos += s_chan[ch].iSBPos << 16; + s_chan[ch].iSBPos = 0; + + s_chan[ch].spos += s_chan[ch].sinc * ns_to; + while (s_chan[ch].spos >= 28 * 0x10000) + { + unsigned char *start = s_chan[ch].pCurr; + + skip_block(ch); + if (start == s_chan[ch].pCurr || start - spu.spuMemC < 0x1000) + { + // looping on self or stopped(?) + spu.dwChannelDead |= 1<>= 1) // loop em all... + { + if (!(mask & 1)) continue; // channel not playing? next + + if (s_chan[ch].bNoise) + d = do_samples_noise(ch, ns_to); + else if (s_chan[ch].bFMod == 2 + || (s_chan[ch].bFMod == 0 && spu_config.iUseInterpolation == 0)) + d = do_samples_noint(ch, ns_to); + else if (s_chan[ch].bFMod == 0 && spu_config.iUseInterpolation == 1) + d = do_samples_simple(ch, ns_to); + else + d = do_samples_default(ch, ns_to); + + d = MixADSR(&s_chan[ch].ADSRX, d); + if (d < ns_to) { + spu.dwChannelOn &= ~(1 << ch); + s_chan[ch].ADSRX.EnvelopeVol = 0; + memset(&ChanBuf[d], 0, (ns_to - d) * sizeof(ChanBuf[0])); + } + + if (ch == 1 || ch == 3) + { + do_decode_bufs(spu.spuMem, ch/2, ns_to, spu.decode_pos); + spu.decode_dirty_ch |= 1 << ch; + } + + if (s_chan[ch].bFMod == 2) // fmod freq channel + memcpy(iFMod, &ChanBuf, ns_to * sizeof(iFMod[0])); + if (s_chan[ch].bRVBActive) + mix_chan_rvb(0, ns_to, s_chan[ch].iLeftVolume, s_chan[ch].iRightVolume, spu.sRVBStart); + else + mix_chan(0, ns_to, s_chan[ch].iLeftVolume, s_chan[ch].iRightVolume); + } +} + //////////////////////////////////////////////////////////////////////// // MAIN SPU FUNCTION // here is the main job handler... -// basically the whole sound processing is done in this fat func! //////////////////////////////////////////////////////////////////////// +void do_samples_finish(int ns_to, int silentch); + void do_samples(unsigned int cycles_to) { - const int ns_from = 0; - int ns,ns_to,ns_len; - int volmult = iVolume; - int ch,d,silentch; + unsigned int mask; + int ch, ns_to; + int silentch; int cycle_diff; - cycle_diff = cycles_to - cycles_played; + cycle_diff = cycles_to - spu.cycles_played; if (cycle_diff < -2*1048576 || cycle_diff > 2*1048576) { //xprintf("desync %u %d\n", cycles_to, cycle_diff); - cycles_played = cycles_to; + spu.cycles_played = cycles_to; return; } @@ -772,116 +835,75 @@ void do_samples(unsigned int cycles_to) // (or 0x400 offsets of this pointer) hits the spuirq address, we generate // an IRQ. - if (unlikely((spuCtrl & CTRL_IRQ) && pSpuIrq && pSpuIrq < spuMemC+0x1000)) + if (unlikely((spu.spuCtrl & CTRL_IRQ) + && spu.pSpuIrq < spu.spuMemC+0x1000)) { - int irq_pos = (pSpuIrq - spuMemC) / 2 & 0x1ff; - int left = (irq_pos - decode_pos) & 0x1ff; + int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; + int left = (irq_pos - spu.decode_pos) & 0x1ff; if (0 < left && left <= ns_to) { - //xprintf("decoder irq %x\n", decode_pos); + //xprintf("decoder irq %x\n", spu.decode_pos); do_irq(); - ns_to = left; } } - InitREVERB(ns_to); + silentch = ~(spu.dwChannelOn|spu.dwNewChannel); - { - silentch=~(dwChannelOn|dwNewChannel); + mask = spu.dwNewChannel & 0xffffff; + for (ch = 0; mask != 0; ch++, mask >>= 1) { + if (mask & 1) + StartSound(ch); + } - //--------------------------------------------------// - //- main channel loop -// - //--------------------------------------------------// - { - for(ch=0;ch pSpuIrq && s_chan[ch].pLoop > pSpuIrq) - continue; - - s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns_from); - while(s_chan[ch].spos >= 28 * 0x10000) - { - unsigned char *start = s_chan[ch].pCurr; - - skip_block(ch); - if(start == s_chan[ch].pCurr || start - spuMemC < 0x1000) - { - // looping on self or stopped(?) - dwChannelDead |= 1<> 10; ssat32_to_16(d); - *pS++ = d; + *spu.pS++ = d; ns++; d = SSumLR[ns]; SSumLR[ns] = 0; d = d * volmult >> 10; ssat32_to_16(d); - *pS++ = d; + *spu.pS++ = d; ns++; } - - cycles_played += ns_to * 768; - - decode_pos = (decode_pos + ns_to) & 0x1ff; - } } void schedule_next_irq(void) @@ -910,34 +927,34 @@ void schedule_next_irq(void) unsigned int upd_samples; int ch; - if (scheduleCallback == NULL) + if (spu.scheduleCallback == NULL) return; upd_samples = 44100 / 50; for (ch = 0; ch < MAXCHAN; ch++) { - if (dwChannelDead & (1 << ch)) + if (spu.dwChannelDead & (1 << ch)) continue; - if ((unsigned long)(pSpuIrq - s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16 - && (unsigned long)(pSpuIrq - s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16) + if ((unsigned long)(spu.pSpuIrq - s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16 + && (unsigned long)(spu.pSpuIrq - s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16) continue; scan_for_irq(ch, &upd_samples); } - if (unlikely(pSpuIrq < spuMemC + 0x1000)) + if (unlikely(spu.pSpuIrq < spu.spuMemC + 0x1000)) { - int irq_pos = (pSpuIrq - spuMemC) / 2 & 0x1ff; - int left = (irq_pos - decode_pos) & 0x1ff; + int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff; + int left = (irq_pos - spu.decode_pos) & 0x1ff; if (0 < left && left < upd_samples) { - //xprintf("decode: %3d (%3d/%3d)\n", left, decode_pos, irq_pos); + //xprintf("decode: %3d (%3d/%3d)\n", left, spu.decode_pos, irq_pos); upd_samples = left; } } if (upd_samples < 44100 / 50) - scheduleCallback(upd_samples * 768); + spu.scheduleCallback(upd_samples * 768); } // SPU ASYNC... even newer epsxe func @@ -949,18 +966,18 @@ void CALLBACK SPUasync(unsigned int cycle, unsigned int flags) { do_samples(cycle); - if (spuCtrl & CTRL_IRQ) + if (spu.spuCtrl & CTRL_IRQ) schedule_next_irq(); if (flags & 1) { - out_current->feed(pSpuBuffer, (unsigned char *)pS - pSpuBuffer); - pS = (short *)pSpuBuffer; + out_current->feed(spu.pSpuBuffer, (unsigned char *)spu.pS - spu.pSpuBuffer); + spu.pS = (short *)spu.pSpuBuffer; - if (0) { + if (spu_config.iTempo) { if (!out_current->busy()) // cause more samples to be generated // (and break some games because of bad sync) - cycles_played -= 44100 / 60 / 2 * 768; + spu.cycles_played -= 44100 / 60 / 2 * 768; } } } @@ -1002,7 +1019,7 @@ void ClearWorkingState(void) { memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers memset(iFMod,0,sizeof(iFMod)); - pS=(short *)pSpuBuffer; // setup soundbuffer pointer + spu.pS=(short *)spu.pSpuBuffer; // setup soundbuffer pointer } // SETUPSTREAMS: init most of the spu buffers @@ -1010,55 +1027,46 @@ void SetupStreams(void) { int i; - pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer + spu.pSpuBuffer = (unsigned char *)malloc(32768); // alloc mixing buffer + spu.sRVBStart = (int *)malloc(NSSIZE*2*4); // alloc reverb buffer + memset(spu.sRVBStart,0,NSSIZE*2*4); - if(iUseReverb==1) i=88200*2; - else i=NSSIZE*2; - - sRVBStart = (int *)malloc(i*4); // alloc reverb buffer - memset(sRVBStart,0,i*4); - sRVBEnd = sRVBStart + i; - sRVBPlay = sRVBStart; - - XAStart = // alloc xa buffer + spu.XAStart = // alloc xa buffer (uint32_t *)malloc(44100 * sizeof(uint32_t)); - XAEnd = XAStart + 44100; - XAPlay = XAStart; - XAFeed = XAStart; + spu.XAEnd = spu.XAStart + 44100; + spu.XAPlay = spu.XAStart; + spu.XAFeed = spu.XAStart; - CDDAStart = // alloc cdda buffer + spu.CDDAStart = // alloc cdda buffer (uint32_t *)malloc(CDDA_BUFFER_SIZE); - CDDAEnd = CDDAStart + 16384; - CDDAPlay = CDDAStart; - CDDAFeed = CDDAStart; + spu.CDDAEnd = spu.CDDAStart + 16384; + spu.CDDAPlay = spu.CDDAStart; + spu.CDDAFeed = spu.CDDAStart; for(i=0;i init sustain s_chan[i].ADSRX.SustainIncrease = 1; - s_chan[i].pLoop=spuMemC; - s_chan[i].pCurr=spuMemC; + s_chan[i].pLoop=spu.spuMemC; + s_chan[i].pCurr=spu.spuMemC; } ClearWorkingState(); - bSpuInit=1; // flag: we are inited + spu.bSpuInit=1; // flag: we are inited } // REMOVESTREAMS: free most buffer void RemoveStreams(void) { - free(pSpuBuffer); // free mixing buffer - pSpuBuffer = NULL; - free(sRVBStart); // free reverb buffer - sRVBStart = NULL; - free(XAStart); // free XA buffer - XAStart = NULL; - free(CDDAStart); // free CDDA buffer - CDDAStart = NULL; + free(spu.pSpuBuffer); // free mixing buffer + spu.pSpuBuffer = NULL; + free(spu.sRVBStart); // free reverb buffer + spu.sRVBStart = NULL; + free(spu.XAStart); // free XA buffer + spu.XAStart = NULL; + free(spu.CDDAStart); // free CDDA buffer + spu.CDDAStart = NULL; } // INIT/EXIT STUFF @@ -1066,30 +1074,31 @@ void RemoveStreams(void) // SPUINIT: this func will be called first by the main emu long CALLBACK SPUinit(void) { - spuMemC = (unsigned char *)spuMem; // just small setup + spu.spuMemC = (unsigned char *)spu.spuMem; // just small setup memset((void *)&rvb, 0, sizeof(REVERBInfo)); InitADSR(); - spuIrq = 0; - spuAddr = 0xffffffff; - spuMemC = (unsigned char *)spuMem; - decode_pos = 0; - memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); - pSpuIrq = 0; + spu.spuAddr = 0xffffffff; + spu.decode_pos = 0; + memset((void *)s_chan, 0, sizeof(s_chan)); + spu.pSpuIrq = spu.spuMemC; SetupStreams(); // prepare streaming + if (spu_config.iVolume == 0) + spu_config.iVolume = 768; // 1024 is 1.0 + return 0; } // SPUOPEN: called by main emu after init long CALLBACK SPUopen(void) { - if (bSPUIsOpen) return 0; // security for some stupid main emus + if (spu.bSPUIsOpen) return 0; // security for some stupid main emus SetupSound(); // setup sound (before init!) - bSPUIsOpen = 1; + spu.bSPUIsOpen = 1; return PSE_SPU_ERR_SUCCESS; } @@ -1097,9 +1106,9 @@ long CALLBACK SPUopen(void) // SPUCLOSE: called before shutdown long CALLBACK SPUclose(void) { - if (!bSPUIsOpen) return 0; // some security + if (!spu.bSPUIsOpen) return 0; // some security - bSPUIsOpen = 0; // no more open + spu.bSPUIsOpen = 0; // no more open out_current->finish(); // no more sound handling @@ -1111,7 +1120,7 @@ long CALLBACK SPUshutdown(void) { SPUclose(); RemoveStreams(); // no more streaming - bSpuInit=0; + spu.bSpuInit=0; return 0; } @@ -1148,17 +1157,17 @@ void CALLBACK SPUabout(void) // passes a callback that should be called on SPU-IRQ/cdda volume change void CALLBACK SPUregisterCallback(void (CALLBACK *callback)(void)) { - irqCallback = callback; + spu.irqCallback = callback; } void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned short,unsigned short)) { - cddavCallback = CDDAVcallback; + spu.cddavCallback = CDDAVcallback; } void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int)) { - scheduleCallback = callback; + spu.scheduleCallback = callback; } // COMMON PLUGIN INFO FUNCS @@ -1191,18 +1200,18 @@ void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int for(;ch