X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fdfsound%2Fspu.c;h=07bc4b3789090b7617fc9a0db7c35b325aa7f9cc;hp=a190b29b12c8fc2ce2f5a54cca1938756bbe3857;hb=215ff9e69c0b845f24e7a3aa9faeef06d9276145;hpb=f9fe492349dcb13ca16e1c809bd2bd25f4a73f10 diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c index a190b29b..07bc4b37 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) \ @@ -49,6 +43,9 @@ #define PSXCLK 33868800 /* 33.8688 MHz */ +// intended to be ~1 frame +#define IRQ_NEAR_BLOCKS 32 + /* #if defined (USEMACOSX) static char * libraryName = N_("Mac OS X Sound"); @@ -69,44 +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; - // certain globals (were local before, but with the new timeproc I need em global) static const int f[8][2] = { { 0, 0 }, @@ -114,18 +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]; -int iCycle = 0; -short * pS; - -static int decode_dirty_ch; -int decode_pos; -int had_dma; -int lastch=-1; // last channel processed on spu irq in timer mode -static int lastns=0; // last ns pos -static int cycles_since_update; #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 @@ -243,7 +201,7 @@ INLINE void InterpolateDown(int ch) //////////////////////////////////////////////////////////////////////// // helpers for gauss interpolation -#define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos]) +#define gval0 (((short*)(&s_chan[ch].SB[29]))[gpos&3]) #define gval(x) ((int)((short*)(&s_chan[ch].SB[29]))[(gpos+x)&3]) #include "gauss_i.h" @@ -254,18 +212,18 @@ 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; } @@ -288,16 +246,15 @@ INLINE void StartSound(int ch) 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<=2) // gauss/cubic interpolation + if(spu_config.iUseInterpolation>=2) // gauss/cubic interpolation { int gpos = s_chan[ch].SB[28]; gval0 = fa; @@ -340,7 +297,7 @@ INLINE void StoreInterpolationVal(int ch,int fa) s_chan[ch].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' @@ -360,7 +317,7 @@ INLINE int iGetInterpolationVal(int ch, int spos) if(s_chan[ch].bFMod==2) return s_chan[ch].SB[29]; - switch(iUseInterpolation) + switch(spu_config.iUseInterpolation) { //--------------------------------------------------// case 3: // cubic interpolation @@ -443,50 +400,42 @@ static void decode_block_data(int *dest, const unsigned char *src, int predict_n static int decode_block(int ch) { 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); - 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 +447,28 @@ 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; @@ -518,38 +476,78 @@ static int skip_block(int ch) return ret; } +// if irq is going to trigger sooner than in upd_samples, set upd_samples +static void scan_for_irq(int ch, unsigned int *upd_samples) +{ + int pos, sinc, sinc_inv, end; + unsigned char *block; + int flags; + + block = s_chan[ch].pCurr; + pos = s_chan[ch].spos; + sinc = s_chan[ch].sinc; + end = pos + *upd_samples * sinc; + + pos += (28 - s_chan[ch].iSBPos) << 16; + while (pos < end) + { + if (block == spu.pSpuIrq) + break; + flags = block[1]; + block += 16; + if (flags & 1) { // 1: stop/loop + block = s_chan[ch].pLoop; + if (block == spu.pSpuIrq) // hack.. (see decode_block) + break; + } + pos += 28 << 16; + } + + if (pos < end) + { + sinc_inv = s_chan[ch].sinc_inv; + if (sinc_inv == 0) + sinc_inv = s_chan[ch].sinc_inv = (0x80000000u / (uint32_t)sinc) << 1; + + pos -= s_chan[ch].spos; + *upd_samples = (((uint64_t)pos * sinc_inv) >> 32) + 1; + //xprintf("ch%02d: irq sched: %3d %03d\n", + // ch, *upd_samples, *upd_samples * 60 * 263 / 44100); + } +} + #define make_do_samples(name, fmod_code, interp_start, interp1_code, interp2_code, interp_end) \ -static 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; \ \ + spos += sinc; \ while (spos >= 0x10000) \ { \ - if(sbpos == 28) \ + fa = SB[sbpos++]; \ + if (sbpos >= 28) \ { \ sbpos = 0; \ d = decode_block(ch); \ - if(d) \ - ret = ns_to = ns + 1; \ + if (d && ns < ret) \ + ret = ns; \ } \ \ - fa = SB[sbpos++]; \ interp1_code; \ spos -= 0x10000; \ } \ \ interp2_code; \ - spos += sinc; \ } \ \ s_chan[ch].sinc = sinc; \ @@ -570,11 +568,11 @@ make_do_samples(default, fmod_recv_check, , make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].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? */ \ @@ -585,47 +583,76 @@ make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch]. make_do_samples(simple, , , simple_interp_store, simple_interp_get, ) -static 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) { @@ -644,10 +671,10 @@ 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; @@ -667,266 +694,295 @@ static void mix_chan_rvb(int start, int count, int lv, int rv) // 0x0800-0x0bff Voice 1 // 0x0c00-0x0fff Voice 3 -static void noinline 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]; + unsigned short *dst = &mem[0x800/2 + which*0x400/2]; + const int *src = ChanBuf; int cursor = decode_pos; while (count-- > 0) { + cursor &= 0x1ff; dst[cursor] = *src++; - cursor = (cursor + 1) & 0x1ff; + cursor++; } // 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(ch, d); + if (d < ns_to) { + spu.dwChannelOn &= ~(1 << ch); + s_chan[ch].bStop = 1; + 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! //////////////////////////////////////////////////////////////////////// -static int do_samples(int forced_updates) +void do_samples_finish(int ns_to, int silentch); + +void do_samples(unsigned int cycles_to) { - int volmult = iVolume; - int ns,ns_from,ns_to; - int ch,d,silentch; - int bIRQReturn=0; + unsigned int mask; + int ch, ns_to; + int silentch; + int cycle_diff; - // ok, at the beginning we are looking if there is - // enuff free place in the dsound/oss buffer to - // fill in new data, or if there is a new channel to start. - // if not, we return until enuff free place is available - // /a new channel gets started + 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); + spu.cycles_played = cycles_to; + return; + } - if(!forced_updates && out_current->busy()) // still enuff data in sound buffer? - return 0; + if (cycle_diff < 2 * 768) + return; - while(!bIRQReturn) - { - cycles_since_update = 0; + ns_to = (cycle_diff / 768 + 1) & ~1; + if (ns_to > NSSIZE) { + // should never happen + //xprintf("ns_to oflow %d %d\n", ns_to, NSSIZE); + ns_to = NSSIZE; + } - ns_from=0; - ns_to=NSSIZE; - ch=0; - if(lastch>=0) // will be -1 if no continue is pending - { - ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue - } + ////////////////////////////////////////////////////// + // special irq handling in the decode buffers (0x0000-0x1000) + // we know: + // the decode buffers are located in spu memory in the following way: + // 0x0000-0x03ff CD audio left + // 0x0400-0x07ff CD audio right + // 0x0800-0x0bff Voice 1 + // 0x0c00-0x0fff Voice 3 + // and decoded data is 16 bit for one sample + // we assume: + // even if voices 1/3 are off or no cd audio is playing, the internal + // play positions will move on and wrap after 0x400 bytes. + // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and + // increase this pointer on each sample by 2 bytes. If this pointer + // (or 0x400 offsets of this pointer) hits the spuirq address, we generate + // an IRQ. + + if (unlikely((spu.spuCtrl & CTRL_IRQ) + && spu.pSpuIrq < spu.spuMemC+0x1000)) + { + 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", spu.decode_pos); + do_irq(); + } + } - silentch=~(dwChannelOn|dwNewChannel); + silentch = ~(spu.dwChannelOn|spu.dwNewChannel); - //--------------------------------------------------// - //- main channel loop -// - //--------------------------------------------------// - { - for(;ch=0) - { - bIRQReturn=1; - lastch=ch; - lastns=ns_to=d; - } - - MixADSR(ch, ns_from, ns_to); - - if(ch==1 || ch==3) - { - do_decode_bufs(ch/2, ns_from, ns_to-ns_from); - decode_dirty_ch |= 1<>= 1) { + if (mask & 1) + StartSound(ch); + } - // advance "stopped" channels that can cause irqs - // (all chans are always playing on the real thing..) - if(spuCtrl&CTRL_IRQ) - 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; - - // no need for bIRQReturn since the channel is silent - 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++; } +} - ////////////////////////////////////////////////////// - // special irq handling in the decode buffers (0x0000-0x1000) - // we know: - // the decode buffers are located in spu memory in the following way: - // 0x0000-0x03ff CD audio left - // 0x0400-0x07ff CD audio right - // 0x0800-0x0bff Voice 1 - // 0x0c00-0x0fff Voice 3 - // and decoded data is 16 bit for one sample - // we assume: - // even if voices 1/3 are off or no cd audio is playing, the internal - // play positions will move on and wrap after 0x400 bytes. - // Therefore: we just need a pointer from spumem+0 to spumem+3ff, and - // increase this pointer on each sample by 2 bytes. If this pointer - // (or 0x400 offsets of this pointer) hits the spuirq address, we generate - // 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). +void schedule_next_irq(void) +{ + unsigned int upd_samples; + int ch; - if(unlikely((spuCtrl&CTRL_IRQ) && pSpuIrq && pSpuIrq 0x200 && irq_pos < ((decode_pos+NSSIZE) & 0x1ff))) - { - //printf("decoder irq %x\n", decode_pos); - do_irq(); - bIRQReturn = 1; - } - } - decode_pos = (decode_pos + NSSIZE) & 0x1ff; + if (spu.scheduleCallback == NULL) + return; - InitREVERB(); + upd_samples = 44100 / 50; - // feed the sound - // wanna have around 1/60 sec (16.666 ms) updates - if (iCycle++ >= 16/FRAG_MSECS) - { - out_current->feed(pSpuBuffer, (unsigned char *)pS - pSpuBuffer); - pS = (short *)pSpuBuffer; - iCycle = 0; + for (ch = 0; ch < MAXCHAN; ch++) + { + if (spu.dwChannelDead & (1 << ch)) + continue; + 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; - if(!forced_updates && out_current->busy()) - break; - } + scan_for_irq(ch, &upd_samples); + } - if(forced_updates > 0) - { - forced_updates--; - if(forced_updates == 0 && out_current->busy()) - break; - } + if (unlikely(spu.pSpuIrq < spu.spuMemC + 0x1000)) + { + 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, spu.decode_pos, irq_pos); + upd_samples = left; + } } - return 0; + if (upd_samples < 44100 / 50) + spu.scheduleCallback(upd_samples * 768); } // SPU ASYNC... even newer epsxe func // 1 time every 'cycle' cycles... harhar -// rearmed: called every 2ms now +// rearmed: called dynamically now -void CALLBACK SPUasync(unsigned long cycle) +void CALLBACK SPUasync(unsigned int cycle, unsigned int flags) { - static int old_ctrl; - int forced_updates = 0; - int do_update = 0; + do_samples(cycle); - if(!bSpuInit) return; // -> no init, no call + if (spu.spuCtrl & CTRL_IRQ) + schedule_next_irq(); - cycles_since_update += cycle; + if (flags & 1) { + out_current->feed(spu.pSpuBuffer, (unsigned char *)spu.pS - spu.pSpuBuffer); + spu.pS = (short *)spu.pSpuBuffer; - if(dwNewChannel || had_dma) - { - forced_updates = 1; - do_update = 1; - had_dma = 0; + if (spu_config.iTempo) { + if (!out_current->busy()) + // cause more samples to be generated + // (and break some games because of bad sync) + spu.cycles_played -= 44100 / 60 / 2 * 768; } - - if((spuCtrl&CTRL_IRQ) && (((spuCtrl^old_ctrl)&CTRL_IRQ) // irq was enabled - || cycles_since_update > PSXCLK/60 / 4)) { - do_update = 1; - forced_updates = cycles_since_update / (PSXCLK/44100) / NSSIZE; } - // with no irqs, once per frame should be fine (using a bit more because of BIAS) - else if(cycles_since_update > PSXCLK/60 * 5/4) - do_update = 1; - - old_ctrl = spuCtrl; - - if(do_update) - do_samples(forced_updates); } // SPU UPDATE... new epsxe func @@ -940,7 +996,6 @@ void CALLBACK SPUasync(unsigned long cycle) void CALLBACK SPUupdate(void) { - SPUasync(0); } // XA AUDIO @@ -967,7 +1022,7 @@ 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 @@ -975,54 +1030,46 @@ void SetupStreams(void) { int i; - pSpuBuffer=(unsigned char *)malloc(32768); // alloc mixing buffer - - if(iUseReverb==1) i=88200*2; - else i=NSSIZE*2; + 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); - 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].pLoop=spuMemC; - s_chan[i].pCurr=spuMemC; + s_chan[i].ADSRX.SustainIncrease = 1; + 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 @@ -1030,31 +1077,31 @@ 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; - lastch = -1; + 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; } @@ -1062,9 +1109,9 @@ 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 @@ -1076,7 +1123,7 @@ long CALLBACK SPUshutdown(void) { SPUclose(); RemoveStreams(); // no more streaming - bSpuInit=0; + spu.bSpuInit=0; return 0; } @@ -1113,12 +1160,17 @@ 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)) +{ + spu.scheduleCallback = callback; } // COMMON PLUGIN INFO FUNCS @@ -1151,18 +1203,18 @@ void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int for(;ch