X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fdfsound%2Fspu.c;h=780b09173736f50440824e0679fe8944b23dc319;hp=c455d3d7b76788474e47457b5abaf0fe32d2231a;hb=78c60846942cad7d41d6d23a7c3d2b905ee4b822;hpb=cdb31c9557f464b452ce6dc78b58b7e73cd423d8 diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c index c455d3d7..780b0917 100644 --- a/plugins/dfsound/spu.c +++ b/plugins/dfsound/spu.c @@ -20,6 +20,7 @@ #define _IN_SPU #include "externals.h" +#include "registers.h" #include "cfg.h" #include "dsoundoss.h" #include "regs.h" @@ -34,6 +35,7 @@ #define N_(x) (x) #endif +/* #if defined (USEMACOSX) static char * libraryName = N_("Mac OS X Sound"); #elif defined (USEALSA) @@ -49,6 +51,7 @@ static char * libraryName = N_("NULL Sound"); #endif static char * libraryInfo = N_("P.E.Op.S. Sound Driver V1.7\nCoded by Pete Bernert and the P.E.Op.S. team\n"); +*/ // globals @@ -71,7 +74,6 @@ int iDebugMode=0; int iRecordMode=0; int iUseReverb=2; int iUseInterpolation=2; -int iDisStereo=0; // MAIN infos struct for each channel @@ -93,19 +95,20 @@ int bSPUIsOpen=0; static pthread_t thread = (pthread_t)-1; // thread id (linux) unsigned long dwNewChannel=0; // flags for faster testing, if new channel starts +unsigned long dwChannelOn=0; +unsigned long dwPendingChanOff=0; void (CALLBACK *irqCallback)(void)=0; // func of main emu, called on spu irq void (CALLBACK *cddavCallback)(unsigned short,unsigned short)=0; // certain globals (were local before, but with the new timeproc I need em global) -static const int f[5][2] = { { 0, 0 }, +static const int f[8][2] = { { 0, 0 }, { 60, 0 }, { 115, -52 }, { 98, -55 }, { 122, -60 } }; -int SSumR[NSSIZE]; -int SSumL[NSSIZE]; +int SSumLR[NSSIZE*2]; int iFMod[NSSIZE]; int iCycle = 0; short * pS; @@ -254,8 +257,6 @@ INLINE void StartSound(int ch) s_chan[ch].s_2=0; s_chan[ch].iSBPos=28; - s_chan[ch].bNew=0; // init channel flags - s_chan[ch].SB[29]=0; // init our interpolation helpers s_chan[ch].SB[30]=0; @@ -424,6 +425,101 @@ INLINE int iGetInterpolationVal(int ch) return fa; } +static void do_irq(void) +{ + if(!(spuStat & STAT_IRQ)) + { + spuStat |= STAT_IRQ; + if(irqCallback) irqCallback(); + } +} + +static int decode_block(int ch) +{ + unsigned char *start; + unsigned int nSample; + int predict_nr,shift_factor,flags,d,s; + int fa,s_1,s_2; + int ret = 0; + + s_chan[ch].iSBPos=0; + + start=s_chan[ch].pCurr; // set up the current pos + if(start == (unsigned char*)-1 || // special "stop" sign + (dwPendingChanOff&(1< turn everything off + dwPendingChanOff&=~(1< and done for this channel + } + + //////////////////////////////////////////// irq check + + if(spuCtrl&CTRL_IRQ) + { + if(pSpuIrq == start) // irq address reached? + { + do_irq(); // -> call main emu + ret = 1; + } + } + + s_1=s_chan[ch].s_1; + s_2=s_chan[ch].s_2; + + predict_nr=(int)*start;start++; + shift_factor=predict_nr&0xf; + predict_nr >>= 4; + flags=(int)*start;start++; + + // -------------------------------------- // + + for (nSample=0;nSample<28;start++) + { + d=(int)*start; + s=((d&0xf)<<12); + if(s&0x8000) s|=0xffff0000; + + fa=(s >> shift_factor); + fa=fa + ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); + s_2=s_1;s_1=fa; + s=((d & 0xf0) << 8); + + s_chan[ch].SB[nSample++]=fa; + + if(s&0x8000) s|=0xffff0000; + fa=(s>>shift_factor); + fa=fa + ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); + s_2=s_1;s_1=fa; + + s_chan[ch].SB[nSample++]=fa; + } + + //////////////////////////////////////////// flag handler + + if((flags&4) && (!s_chan[ch].bIgnoreLoop)) + s_chan[ch].pLoop=start-16; // loop adress + + if(flags&1) // 1: stop/loop + { + if(!(flags&2)) + dwPendingChanOff|=1<= 0x80000) + start = (unsigned char*)-1; + + s_chan[ch].pCurr=start; // store values for next cycle + s_chan[ch].s_1=s_1; + s_chan[ch].s_2=s_2; + + return ret; +} + //////////////////////////////////////////////////////////////////////// // MAIN SPU FUNCTION // here is the main job handler... thread, timer or direct func call @@ -441,14 +537,13 @@ INLINE int iGetInterpolationVal(int ch) static void *MAINThread(void *arg) { - int s_1,s_2,fa,ns,ns_from,ns_to; + int fa,ns,ns_from,ns_to; #if !defined(_MACOSX) && !defined(__arm__) int voldiv = iVolume; #else const int voldiv = 2; #endif - unsigned char * start;unsigned int nSample; - int ch,predict_nr,shift_factor,flags,d,s; + int ch,d; int bIRQReturn=0; while(!bEndThread) // until we are shutting down @@ -485,7 +580,7 @@ static void *MAINThread(void *arg) ch=0; if(lastch>=0) // will be -1 if no continue is pending { - ch=lastch; ns_from=lastns+1; lastch=-1; // -> setup all kind of vars to continue + ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue } //--------------------------------------------------// @@ -494,14 +589,18 @@ static void *MAINThread(void *arg) { for(;ch turn everything off - s_chan[ch].ADSRX.lVolume=0; - s_chan[ch].ADSRX.EnvelopeVol=0; - goto ENDX; // -> and done for this channel - } - - s_chan[ch].iSBPos=0; - - //////////////////////////////////////////// spu irq handler here? mmm... do it later - - s_1=s_chan[ch].s_1; - s_2=s_chan[ch].s_2; - - predict_nr=(int)*start;start++; - shift_factor=predict_nr&0xf; - predict_nr >>= 4; - flags=(int)*start;start++; - - // -------------------------------------- // - - for (nSample=0;nSample<28;start++) + d = decode_block(ch); + if(d && iSPUIRQWait) // -> option: wait after irq for main emu { - d=(int)*start; - s=((d&0xf)<<12); - if(s&0x8000) s|=0xffff0000; - - fa=(s >> shift_factor); - fa=fa + ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); - s_2=s_1;s_1=fa; - s=((d & 0xf0) << 8); - - s_chan[ch].SB[nSample++]=fa; - - if(s&0x8000) s|=0xffff0000; - fa=(s>>shift_factor); - fa=fa + ((s_1 * f[predict_nr][0])>>6) + ((s_2 * f[predict_nr][1])>>6); - s_2=s_1;s_1=fa; - - s_chan[ch].SB[nSample++]=fa; - } - - //////////////////////////////////////////// irq check - - if(irqCallback && (spuCtrl&0x40)) // some callback and irq active? - { - if((pSpuIrq > start-16 && // irq address reached? - pSpuIrq <= start) || - ((flags&1) && // special: irq on looping addr, when stop/loop flag is set - (pSpuIrq > s_chan[ch].pLoop-16 && - pSpuIrq <= s_chan[ch].pLoop))) - { - s_chan[ch].iIrqDone=1; // -> debug flag - irqCallback(); // -> call main emu - - if(iSPUIRQWait) // -> option: wait after irq for main emu - { - iSpuAsyncWait=1; - bIRQReturn=1; - lastch=ch; - lastns=ns; - ns_to=ns+1; - } - } - } - - //////////////////////////////////////////// flag handler - - if((flags&4) && (!s_chan[ch].bIgnoreLoop)) - s_chan[ch].pLoop=start-16; // loop adress - - if(flags&1) // 1: stop/loop - { - // We play this block out first... - //if(!(flags&2)) // 1+2: do loop... otherwise: stop - if(flags!=3 || s_chan[ch].pLoop==NULL) // PETE: if we don't check exactly for 3, loop hang ups will happen (DQ4, for example) - { // and checking if pLoop is set avoids crashes, yeah - start = (unsigned char*)-1; - } - else - { - start = s_chan[ch].pLoop; - } + bIRQReturn=1; + lastch=ch; + lastns=ns_to=ns; + goto ENDX; // do remaining chans unil this ns } - - s_chan[ch].pCurr=start; // store values for next cycle - s_chan[ch].s_1=s_1; - s_chan[ch].s_2=s_2; - -GOON: ; } fa=s_chan[ch].SB[s_chan[ch].iSBPos++]; // get sample data @@ -615,27 +629,22 @@ GOON: ; fa=iGetNoiseVal(ch); // get noise val else fa=iGetInterpolationVal(ch); // get sample val - s_chan[ch].sval = (MixADSR(ch) * fa) / 1023; // mix adsr + sval = (MixADSR(ch) * fa) / 1024; // mix adsr if(s_chan[ch].bFMod==2) // fmod freq channel - iFMod[ns]=s_chan[ch].sval; // -> store 1T sample data, use that to do fmod on next channel + iFMod[ns]=sval; // -> store 1T sample data, use that to do fmod on next channel else // no fmod freq channel { ////////////////////////////////////////////// // ok, left/right sound volume (psx volume goes from 0 ... 0x3fff) - if(s_chan[ch].iMute) - s_chan[ch].sval=0; // debug mute - else - { - SSumL[ns]+=(s_chan[ch].sval*s_chan[ch].iLeftVolume)/0x4000L; - SSumR[ns]+=(s_chan[ch].sval*s_chan[ch].iRightVolume)/0x4000L; - } + SSumLR[ns*2] +=(sval*s_chan[ch].iLeftVolume)/0x4000L; + SSumLR[ns*2+1]+=(sval*s_chan[ch].iRightVolume)/0x4000L; ////////////////////////////////////////////// // now let us store sound data for reverb - if(s_chan[ch].bRVBActive) StoreREVERB(ch,ns); + if(s_chan[ch].bRVBActive) StoreREVERB(ch,ns,sval); } //////////////////////////////////////////////// @@ -643,12 +652,60 @@ GOON: ; s_chan[ch].spos += s_chan[ch].sinc; } -ENDX: ; +ENDX: ; } } - if(bIRQReturn) // special return for "spu irq - wait for cpu action" + // advance "stopped" channels that can cause irqs + // (all chans are always playing on the real thing..) + if(!bIRQReturn && (spuCtrl&CTRL_IRQ)) + for(ch=0;ch pSpuIrq && s_chan[ch].pLoop > pSpuIrq) + continue; + + if(s_chan[ch].iActFreq!=s_chan[ch].iUsedFreq) // new psx frequency? + VoiceChangeFrequency(ch); + + s_chan[ch].spos += s_chan[ch].sinc * NSSIZE; + while(s_chan[ch].spos >= 28 * 0x10000) + { + unsigned char *start=s_chan[ch].pCurr; + int flags = start[1]; + + // Tron Bonne hack, probably wrong (could be wrong memory contents..) + if(flags & ~7) flags = 0; + + if(start == pSpuIrq) + { + do_irq(); + bIRQReturn = 1; + } + else if((flags & 1) && start == s_chan[ch].pLoop) + { + // looping on self + s_chan[ch].pCurr=(unsigned char *)-1; + break; + } + + if((flags&4) && !s_chan[ch].bIgnoreLoop) + s_chan[ch].pLoop=start; + + s_chan[ch].pCurr += 16; + + if(flags & 1) + s_chan[ch].pCurr = s_chan[ch].pLoop; + + s_chan[ch].spos -= 28 * 0x10000; + } + } + + if(bIRQReturn && iSPUIRQWait) // special return for "spu irq - wait for cpu action" { + iSpuAsyncWait=1; bIRQReturn=0; if(iUseTimer!=2) { @@ -676,37 +733,21 @@ ENDX: ; /////////////////////////////////////////////////////// // mix all channels (including reverb) into one buffer - if(iDisStereo) // no stereo? + for (ns = 0; ns < NSSIZE*2; ) { - int dl, dr; - for (ns = 0; ns < NSSIZE; ns++) - { - SSumL[ns] += MixREVERBLeft(ns); + SSumLR[ns] += MixREVERBLeft(ns/2); - dl = SSumL[ns] / voldiv; SSumL[ns] = 0; - if (dl < -32767) dl = -32767; if (dl > 32767) dl = 32767; - - SSumR[ns] += MixREVERBRight(); - - dr = SSumR[ns] / voldiv; SSumR[ns] = 0; - if (dr < -32767) dr = -32767; if (dr > 32767) dr = 32767; - *pS++ = (dl + dr) / 2; - } - } - else // stereo: - for (ns = 0; ns < NSSIZE; ns++) - { - SSumL[ns] += MixREVERBLeft(ns); - - d = SSumL[ns] / voldiv; SSumL[ns] = 0; + d = SSumLR[ns] / voldiv; SSumLR[ns] = 0; if (d < -32767) d = -32767; if (d > 32767) d = 32767; *pS++ = d; + ns++; - SSumR[ns] += MixREVERBRight(); + SSumLR[ns] += MixREVERBRight(); - d = SSumR[ns] / voldiv; SSumR[ns] = 0; + d = SSumLR[ns] / voldiv; SSumLR[ns] = 0; if(d < -32767) d = -32767; if(d > 32767) d = 32767; *pS++ = d; + ns++; } ////////////////////////////////////////////////////// @@ -727,7 +768,7 @@ ENDX: ; // an IRQ. Only problem: the "wait for cpu" option is kinda hard to do here // in some of Peops timer modes. So: we ignore this option here (for now). - if(pMixIrq && irqCallback) + if(pMixIrq) { for(ns=0;ns=pMixIrq+(ch*0x400) && pSpuIrqspuMemC+0x3ff) pMixIrq=spuMemC; @@ -771,7 +812,7 @@ void CALLBACK SPUasync(unsigned long cycle) if(iSpuAsyncWait) { iSpuAsyncWait++; - if(iSpuAsyncWait<=64) return; + if(iSpuAsyncWait<=16) return; iSpuAsyncWait=0; } @@ -780,6 +821,11 @@ void CALLBACK SPUasync(unsigned long cycle) if(!bSpuInit) return; // -> no init, no call MAINThread(0); // -> linux high-compat mode + + // abuse iSpuAsyncWait mechanism to reduce calls to above function + // to make it do larger chunks + // note: doing it less often than once per frame causes skips + iSpuAsyncWait=1; } } @@ -819,8 +865,7 @@ void CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes) // SETUPTIMER: init of certain buffers and threads/timers void SetupTimer(void) { - memset(SSumR,0,NSSIZE*sizeof(int)); // init some mixing buffers - memset(SSumL,0,NSSIZE*sizeof(int)); + memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers memset(iFMod,0,NSSIZE*sizeof(int)); pS=(short *)pSpuBuffer; // setup soundbuffer pointer @@ -875,16 +920,14 @@ void SetupStreams(void) (uint32_t *)malloc(16384 * sizeof(uint32_t)); CDDAEnd = CDDAStart + 16384; CDDAPlay = CDDAStart; - CDDAFeed = CDDAStart + 1; + CDDAFeed = CDDAStart; for(i=0;i init sustain - s_chan[i].iMute=0; - s_chan[i].iIrqDone=0; + s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain s_chan[i].pLoop=spuMemC; s_chan[i].pStart=spuMemC; s_chan[i].pCurr=spuMemC; @@ -1031,3 +1074,5 @@ char * SPUgetLibInfos(void) return _(libraryInfo); } */ + +// vim:shiftwidth=1:expandtab