diff options
Diffstat (limited to 'plugins/dfsound')
-rw-r--r-- | plugins/dfsound/alsa.c | 10 | ||||
-rw-r--r-- | plugins/dfsound/dma.c | 10 | ||||
-rw-r--r-- | plugins/dfsound/externals.h | 18 | ||||
-rw-r--r-- | plugins/dfsound/freeze.c | 44 | ||||
-rw-r--r-- | plugins/dfsound/oss.c | 14 | ||||
-rw-r--r-- | plugins/dfsound/registers.c | 113 | ||||
-rw-r--r-- | plugins/dfsound/registers.h | 2 | ||||
-rw-r--r-- | plugins/dfsound/reverb.c | 36 | ||||
-rw-r--r-- | plugins/dfsound/spu.c | 284 | ||||
-rw-r--r-- | plugins/dfsound/xa.c | 6 |
10 files changed, 316 insertions, 221 deletions
diff --git a/plugins/dfsound/alsa.c b/plugins/dfsound/alsa.c index 1c02d37..b5655a9 100644 --- a/plugins/dfsound/alsa.c +++ b/plugins/dfsound/alsa.c @@ -16,6 +16,7 @@ ***************************************************************************/ #include <stdio.h> +#include <string.h> #define ALSA_PCM_NEW_HW_PARAMS_API #define ALSA_PCM_NEW_SW_PARAMS_API #include <alsa/asoundlib.h> @@ -184,10 +185,17 @@ static int alsa_busy(void) // FEED SOUND DATA static void alsa_feed(void *pSound, int lBytes) { + char sbuf[4096]; + if (handle == NULL) return; if (snd_pcm_state(handle) == SND_PCM_STATE_XRUN) - snd_pcm_prepare(handle); + { + memset(sbuf, 0, sizeof(sbuf)); + snd_pcm_prepare(handle); + snd_pcm_writei(handle, sbuf, sizeof(sbuf) / 4); + snd_pcm_writei(handle, sbuf, sizeof(sbuf) / 4); + } snd_pcm_writei(handle,pSound, lBytes / 4); } diff --git a/plugins/dfsound/dma.c b/plugins/dfsound/dma.c index 7c164ac..85b746c 100644 --- a/plugins/dfsound/dma.c +++ b/plugins/dfsound/dma.c @@ -38,10 +38,13 @@ unsigned short CALLBACK SPUreadDMA(void) // READ DMA (many values)
////////////////////////////////////////////////////////////////////////
-void CALLBACK SPUreadDMAMem(unsigned short * pusPSXMem,int iSize)
+void CALLBACK SPUreadDMAMem(unsigned short *pusPSXMem, int iSize,
+ unsigned int cycles)
{
int i;
+ do_samples_if_needed(cycles);
+
for(i=0;i<iSize;i++)
{
*pusPSXMem++=spuMem[spuAddr>>1]; // spu addr got by writeregister
@@ -74,11 +77,12 @@ void CALLBACK SPUwriteDMA(unsigned short val) // WRITE DMA (many values)
////////////////////////////////////////////////////////////////////////
-void CALLBACK SPUwriteDMAMem(unsigned short * pusPSXMem,int iSize)
+void CALLBACK SPUwriteDMAMem(unsigned short *pusPSXMem, int iSize,
+ unsigned int cycles)
{
int i;
- had_dma = 1;
+ do_samples_if_needed(cycles);
if(spuAddr + iSize*2 < 0x80000)
{
diff --git a/plugins/dfsound/externals.h b/plugins/dfsound/externals.h index 2f3028e..9096399 100644 --- a/plugins/dfsound/externals.h +++ b/plugins/dfsound/externals.h @@ -46,10 +46,8 @@ // num of channels
#define MAXCHAN 24
-// ~ FRAG_MSECS ms of data
// note: must be even due to the way reverb works now
-#define FRAG_MSECS 2
-#define NSSIZE ((44100 * FRAG_MSECS / 1000 + 1) & ~1)
+#define NSSIZE ((44100 / 50 + 16) & ~1)
///////////////////////////////////////////////////////////
// struct defines
@@ -90,6 +88,7 @@ typedef struct int iSBPos; // mixing stuff
int spos;
int sinc;
+ int sinc_inv;
unsigned char * pCurr; // current pos in sound mem
unsigned char * pLoop; // loop ptr in sound mem
@@ -191,7 +190,6 @@ extern int iUseReverb; extern int iUseInterpolation;
// MISC
-extern int had_dma;
extern int decode_pos;
extern SPUCHAN s_chan[];
@@ -209,11 +207,21 @@ extern unsigned int dwChannelDead; extern int SSumR[];
extern int SSumL[];
-extern int iCycle;
extern short * pS;
extern void (CALLBACK *cddavCallback)(unsigned short,unsigned short);
+extern unsigned int cycles_played;
+
+void do_samples(unsigned int cycles_to);
+void schedule_next_irq(void);
+
+#define do_samples_if_needed(c) \
+ do { \
+ if ((int)((c) - cycles_played) >= 16 * 768) \
+ do_samples(c); \
+ } while (0)
+
#endif
///////////////////////////////////////////////////////////
diff --git a/plugins/dfsound/freeze.c b/plugins/dfsound/freeze.c index 0601bf5..9fa29f0 100644 --- a/plugins/dfsound/freeze.c +++ b/plugins/dfsound/freeze.c @@ -132,9 +132,7 @@ typedef struct ////////////////////////////////////////////////////////////////////////
void LoadStateV5(SPUFreeze_t * pF); // newest version
-void LoadStateUnknown(SPUFreeze_t * pF); // unknown format
-
-extern int lastch;
+void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles); // unknown format
// we want to retain compatibility between versions,
// so use original channel struct
@@ -183,8 +181,10 @@ static void load_channel(SPUCHAN *d, const SPUCHAN_orig *s, int ch) memset(d, 0, sizeof(*d));
if (s->bNew) dwNewChannel |= 1<<ch;
d->iSBPos = s->iSBPos;
+ if ((uint32_t)d->iSBPos >= 28) d->iSBPos = 27;
d->spos = s->spos;
d->sinc = s->sinc;
+ d->sinc_inv = 0;
memcpy(d->SB, s->SB, sizeof(d->SB));
d->pCurr = (void *)((long)s->iCurr & 0x7fff0);
d->pLoop = (void *)((long)s->iLoop & 0x7fff0);
@@ -212,11 +212,20 @@ static void load_channel(SPUCHAN *d, const SPUCHAN_orig *s, int ch) else d->ADSRX.EnvelopeVol = 0;
}
+// force load from regArea to variables
+static void load_register(unsigned long reg, unsigned int cycles)
+{
+ unsigned short *r = ®Area[((reg & 0xfff) - 0xc00) >> 1];
+ *r ^= 1;
+ SPUwriteRegister(reg, *r ^ 1, cycles);
+}
+
////////////////////////////////////////////////////////////////////////
// SPUFREEZE: called by main emu on savestate load/save
////////////////////////////////////////////////////////////////////////
-long CALLBACK SPUfreeze(uint32_t ulFreezeMode,SPUFreeze_t * pF)
+long CALLBACK SPUfreeze(uint32_t ulFreezeMode, SPUFreeze_t * pF,
+ uint32_t cycles)
{
int i;SPUOSSFreeze_t * pFO;
@@ -233,6 +242,8 @@ long CALLBACK SPUfreeze(uint32_t ulFreezeMode,SPUFreeze_t * pF) if(ulFreezeMode==2) return 1; // info mode? ok, bye
// save mode:
+ do_samples(cycles);
+
memcpy(pF->cSPURam,spuMem,0x80000); // copy common infos
memcpy(pF->cSPUPort,regArea,0x200);
@@ -276,26 +287,25 @@ long CALLBACK SPUfreeze(uint32_t ulFreezeMode,SPUFreeze_t * pF) if(!strcmp(pF->szSPUName,"PBOSS") && pF->ulFreezeVersion==5)
LoadStateV5(pF);
- else LoadStateUnknown(pF);
-
- lastch = -1;
+ else LoadStateUnknown(pF, cycles);
// repair some globals
for(i=0;i<=62;i+=2)
- SPUwriteRegister(H_Reverb+i,regArea[(H_Reverb+i-0xc00)>>1]);
- SPUwriteRegister(H_SPUReverbAddr,regArea[(H_SPUReverbAddr-0xc00)>>1]);
- SPUwriteRegister(H_SPUrvolL,regArea[(H_SPUrvolL-0xc00)>>1]);
- SPUwriteRegister(H_SPUrvolR,regArea[(H_SPUrvolR-0xc00)>>1]);
+ load_register(H_Reverb+i, cycles);
+ load_register(H_SPUReverbAddr, cycles);
+ load_register(H_SPUrvolL, cycles);
+ load_register(H_SPUrvolR, cycles);
- SPUwriteRegister(H_SPUctrl,(unsigned short)(regArea[(H_SPUctrl-0xc00)>>1]|0x4000));
- SPUwriteRegister(H_SPUstat,regArea[(H_SPUstat-0xc00)>>1]);
- SPUwriteRegister(H_CDLeft,regArea[(H_CDLeft-0xc00)>>1]);
- SPUwriteRegister(H_CDRight,regArea[(H_CDRight-0xc00)>>1]);
+ load_register(H_SPUctrl, cycles);
+ load_register(H_SPUstat, cycles);
+ load_register(H_CDLeft, cycles);
+ load_register(H_CDRight, cycles);
// fix to prevent new interpolations from crashing
for(i=0;i<MAXCHAN;i++) s_chan[i].SB[28]=0;
ClearWorkingState();
+ cycles_played = cycles;
return 1;
}
@@ -331,7 +341,7 @@ void LoadStateV5(SPUFreeze_t * pF) ////////////////////////////////////////////////////////////////////////
-void LoadStateUnknown(SPUFreeze_t * pF)
+void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles)
{
int i;
@@ -348,7 +358,7 @@ void LoadStateUnknown(SPUFreeze_t * pF) for(i=0;i<0xc0;i++)
{
- SPUwriteRegister(0x1f801c00+i*2,regArea[i]);
+ load_register(0x1f801c00 + i*2, cycles);
}
}
diff --git a/plugins/dfsound/oss.c b/plugins/dfsound/oss.c index 709cb37..8093ae4 100644 --- a/plugins/dfsound/oss.c +++ b/plugins/dfsound/oss.c @@ -16,6 +16,7 @@ ***************************************************************************/ #include <stdio.h> +#include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> @@ -153,7 +154,20 @@ static int oss_busy(void) static void oss_feed(void *buf, int bytes) { + audio_buf_info info; + char sbuf[4096]; + if(oss_audio_fd == -1) return; + if(ioctl(oss_audio_fd,SNDCTL_DSP_GETOSPACE,&info)==0) + { + if(info.fragments==info.fragstotal) + { + memset(sbuf, 0, sizeof(sbuf)); + write(oss_audio_fd, sbuf, sizeof(sbuf)); + write(oss_audio_fd, sbuf, sizeof(sbuf)); + } + } + write(oss_audio_fd, buf, bytes); } diff --git a/plugins/dfsound/registers.c b/plugins/dfsound/registers.c index b9c1256..730c753 100644 --- a/plugins/dfsound/registers.c +++ b/plugins/dfsound/registers.c @@ -35,10 +35,28 @@ static void ReverbOn(int start,int end,unsigned short val); // WRITE REGISTERS: called by main emu
////////////////////////////////////////////////////////////////////////
-void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val)
+static const uint32_t ignore_dupe[8] = {
+ // ch 0-15 c40 c80 cc0
+ 0x7f7f7f7f, 0x7f7f7f7f, 0x7f7f7f7f, 0x7f7f7f7f,
+ // ch 16-24 d40 control reverb
+ 0x7f7f7f7f, 0x7f7f7f7f, 0xff05ff0f, 0xffffffff
+};
+
+void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val,
+ unsigned int cycles)
{
- const unsigned long r=reg&0xfff;
- regArea[(r-0xc00)>>1] = val;
+ int r = reg & 0xfff;
+ int rofs = (r - 0xc00) >> 1;
+ int changed = regArea[rofs] != val;
+ regArea[rofs] = val;
+
+ if (!changed && (ignore_dupe[rofs >> 5] & (1 << (rofs & 0x1f))))
+ return;
+ // zero keyon/keyoff?
+ if (val == 0 && (r & 0xff8) == 0xd88)
+ return;
+
+ do_samples_if_needed(cycles);
if(r>=0x0c00 && r<0x0d80) // some channel info?
{
@@ -56,7 +74,7 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val) //------------------------------------------------// pitch
case 4:
SetPitch(ch,val);
- break;
+ goto upd_irq;
//------------------------------------------------// start
case 6:
// taken from regArea later
@@ -93,7 +111,7 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val) //------------------------------------------------//
case 14: // loop?
s_chan[ch].pLoop=spuMemC+((val&~1)<<3);
- break;
+ goto upd_irq;
//------------------------------------------------//
}
return;
@@ -113,8 +131,11 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val) break;
//-------------------------------------------------//
case H_SPUctrl:
- if(!(spuCtrl & CTRL_IRQ))
+ if (!(spuCtrl & CTRL_IRQ)) {
spuStat&=~STAT_IRQ;
+ if (val & CTRL_IRQ)
+ schedule_next_irq();
+ }
spuCtrl=val;
break;
//-------------------------------------------------//
@@ -137,13 +158,12 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val) rvb.CurrAddr+=decode_pos/2;
}
}
- rvb.dirty = 1;
- break;
+ goto rvbd;
//-------------------------------------------------//
case H_SPUirqAddr:
spuIrq = val;
pSpuIrq=spuMemC+(((unsigned long) val<<3)&~0xf);
- break;
+ goto upd_irq;
//-------------------------------------------------//
case H_SPUrvolL:
rvb.VolLeft=val;
@@ -229,42 +249,48 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val) ReverbOn(16,24,val);
break;
//-------------------------------------------------//
- case H_Reverb+0 : rvb.FB_SRC_A=val*4; break;
- case H_Reverb+2 : rvb.FB_SRC_B=val*4; break;
- case H_Reverb+4 : rvb.IIR_ALPHA=(short)val; break;
- case H_Reverb+6 : rvb.ACC_COEF_A=(short)val; break;
- case H_Reverb+8 : rvb.ACC_COEF_B=(short)val; break;
- case H_Reverb+10 : rvb.ACC_COEF_C=(short)val; break;
- case H_Reverb+12 : rvb.ACC_COEF_D=(short)val; break;
- case H_Reverb+14 : rvb.IIR_COEF=(short)val; break;
- case H_Reverb+16 : rvb.FB_ALPHA=(short)val; break;
- case H_Reverb+18 : rvb.FB_X=(short)val; break;
- case H_Reverb+20 : rvb.IIR_DEST_A0=val*4; break;
- case H_Reverb+22 : rvb.IIR_DEST_A1=val*4; break;
- case H_Reverb+24 : rvb.ACC_SRC_A0=val*4; break;
- case H_Reverb+26 : rvb.ACC_SRC_A1=val*4; break;
- case H_Reverb+28 : rvb.ACC_SRC_B0=val*4; break;
- case H_Reverb+30 : rvb.ACC_SRC_B1=val*4; break;
- case H_Reverb+32 : rvb.IIR_SRC_A0=val*4; break;
- case H_Reverb+34 : rvb.IIR_SRC_A1=val*4; break;
- case H_Reverb+36 : rvb.IIR_DEST_B0=val*4; break;
- case H_Reverb+38 : rvb.IIR_DEST_B1=val*4; break;
- case H_Reverb+40 : rvb.ACC_SRC_C0=val*4; break;
- case H_Reverb+42 : rvb.ACC_SRC_C1=val*4; break;
- case H_Reverb+44 : rvb.ACC_SRC_D0=val*4; break;
- case H_Reverb+46 : rvb.ACC_SRC_D1=val*4; break;
- case H_Reverb+48 : rvb.IIR_SRC_B1=val*4; break;
- case H_Reverb+50 : rvb.IIR_SRC_B0=val*4; break;
- case H_Reverb+52 : rvb.MIX_DEST_A0=val*4; break;
- case H_Reverb+54 : rvb.MIX_DEST_A1=val*4; break;
- case H_Reverb+56 : rvb.MIX_DEST_B0=val*4; break;
- case H_Reverb+58 : rvb.MIX_DEST_B1=val*4; break;
- case H_Reverb+60 : rvb.IN_COEF_L=(short)val; break;
- case H_Reverb+62 : rvb.IN_COEF_R=(short)val; break;
+ case H_Reverb+0 : rvb.FB_SRC_A=val*4; goto rvbd;
+ case H_Reverb+2 : rvb.FB_SRC_B=val*4; goto rvbd;
+ case H_Reverb+4 : rvb.IIR_ALPHA=(short)val; goto rvbd;
+ case H_Reverb+6 : rvb.ACC_COEF_A=(short)val; goto rvbd;
+ case H_Reverb+8 : rvb.ACC_COEF_B=(short)val; goto rvbd;
+ case H_Reverb+10 : rvb.ACC_COEF_C=(short)val; goto rvbd;
+ case H_Reverb+12 : rvb.ACC_COEF_D=(short)val; goto rvbd;
+ case H_Reverb+14 : rvb.IIR_COEF=(short)val; goto rvbd;
+ case H_Reverb+16 : rvb.FB_ALPHA=(short)val; goto rvbd;
+ case H_Reverb+18 : rvb.FB_X=(short)val; goto rvbd;
+ case H_Reverb+20 : rvb.IIR_DEST_A0=val*4; goto rvbd;
+ case H_Reverb+22 : rvb.IIR_DEST_A1=val*4; goto rvbd;
+ case H_Reverb+24 : rvb.ACC_SRC_A0=val*4; goto rvbd;
+ case H_Reverb+26 : rvb.ACC_SRC_A1=val*4; goto rvbd;
+ case H_Reverb+28 : rvb.ACC_SRC_B0=val*4; goto rvbd;
+ case H_Reverb+30 : rvb.ACC_SRC_B1=val*4; goto rvbd;
+ case H_Reverb+32 : rvb.IIR_SRC_A0=val*4; goto rvbd;
+ case H_Reverb+34 : rvb.IIR_SRC_A1=val*4; goto rvbd;
+ case H_Reverb+36 : rvb.IIR_DEST_B0=val*4; goto rvbd;
+ case H_Reverb+38 : rvb.IIR_DEST_B1=val*4; goto rvbd;
+ case H_Reverb+40 : rvb.ACC_SRC_C0=val*4; goto rvbd;
+ case H_Reverb+42 : rvb.ACC_SRC_C1=val*4; goto rvbd;
+ case H_Reverb+44 : rvb.ACC_SRC_D0=val*4; goto rvbd;
+ case H_Reverb+46 : rvb.ACC_SRC_D1=val*4; goto rvbd;
+ case H_Reverb+48 : rvb.IIR_SRC_B1=val*4; goto rvbd;
+ case H_Reverb+50 : rvb.IIR_SRC_B0=val*4; goto rvbd;
+ case H_Reverb+52 : rvb.MIX_DEST_A0=val*4; goto rvbd;
+ case H_Reverb+54 : rvb.MIX_DEST_A1=val*4; goto rvbd;
+ case H_Reverb+56 : rvb.MIX_DEST_B0=val*4; goto rvbd;
+ case H_Reverb+58 : rvb.MIX_DEST_B1=val*4; goto rvbd;
+ case H_Reverb+60 : rvb.IN_COEF_L=(short)val; goto rvbd;
+ case H_Reverb+62 : rvb.IN_COEF_R=(short)val; goto rvbd;
}
+ return;
+
+upd_irq:
+ if (spuCtrl & CTRL_IRQ)
+ schedule_next_irq();
+ return;
- if ((r & ~0x3f) == H_Reverb)
- rvb.dirty = 1; // recalculate on next update
+rvbd:
+ rvb.dirty = 1; // recalculate on next update
}
////////////////////////////////////////////////////////////////////////
@@ -484,6 +510,7 @@ static void SetPitch(int ch,unsigned short val) // SET PITCH s_chan[ch].iRawPitch=NP;
s_chan[ch].sinc=(NP<<4)|8;
+ s_chan[ch].sinc_inv=0;
if(iUseInterpolation==1) s_chan[ch].SB[32]=1; // -> freq change in simple interpolation mode: set flag
}
diff --git a/plugins/dfsound/registers.h b/plugins/dfsound/registers.h index cb95bc1..3bca518 100644 --- a/plugins/dfsound/registers.h +++ b/plugins/dfsound/registers.h @@ -152,5 +152,5 @@ ///////////////////////////////////////////////////////////
-void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val);
+void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val, unsigned int cycles);
diff --git a/plugins/dfsound/reverb.c b/plugins/dfsound/reverb.c index ebb709b..0a94ff4 100644 --- a/plugins/dfsound/reverb.c +++ b/plugins/dfsound/reverb.c @@ -53,21 +53,9 @@ INLINE void StartREVERB(int ch) // HELPER FOR NEILL'S REVERB: re-inits our reverb mixing buf
////////////////////////////////////////////////////////////////////////
-INLINE void InitREVERB(void)
+INLINE void InitREVERB(int ns_to)
{
- memset(sRVBStart,0,NSSIZE*2*4);
-}
-
-////////////////////////////////////////////////////////////////////////
-// STORE REVERB
-////////////////////////////////////////////////////////////////////////
-
-INLINE void StoreREVERB(int ch,int ns,int l,int r)
-{
- ns<<=1;
-
- sRVBStart[ns] +=l; // -> we mix all active reverb channels into an extra buffer
- sRVBStart[ns+1]+=r;
+ memset(sRVBStart,0,ns_to*sizeof(sRVBStart[0])*2);
}
////////////////////////////////////////////////////////////////////////
@@ -95,15 +83,15 @@ INLINE int rvb2ram_offs(int curr, int space, int iOff) ////////////////////////////////////////////////////////////////////////
// portions based on spu2-x from PCSX2
-static void MixREVERB(void)
+static void MixREVERB(int ns_to)
{
int l_old = rvb.iRVBLeft;
int r_old = rvb.iRVBRight;
int curr_addr = rvb.CurrAddr;
int space = 0x40000 - rvb.StartAddr;
- int l, r, ns;
+ int l = 0, r = 0, ns;
- for (ns = 0; ns < NSSIZE*2; )
+ for (ns = 0; ns < ns_to * 2; )
{
int IIR_ALPHA = rvb.IIR_ALPHA;
int ACC0, ACC1, FB_A0, FB_A1, FB_B0, FB_B1;
@@ -180,15 +168,15 @@ static void MixREVERB(void) rvb.CurrAddr = curr_addr;
}
-static void MixREVERB_off(void)
+static void MixREVERB_off(int ns_to)
{
int l_old = rvb.iRVBLeft;
int r_old = rvb.iRVBRight;
int curr_addr = rvb.CurrAddr;
int space = 0x40000 - rvb.StartAddr;
- int l, r, ns;
+ int l = 0, r = 0, ns;
- for (ns = 0; ns < NSSIZE*2; )
+ for (ns = 0; ns < ns_to * 2; )
{
l = (g_buffer(MIX_DEST_A0) + g_buffer(MIX_DEST_B0)) / 2;
r = (g_buffer(MIX_DEST_A1) + g_buffer(MIX_DEST_B1)) / 2;
@@ -258,7 +246,7 @@ static void prepare_offsets(void) rvb.dirty = 0;
}
-INLINE void REVERBDo(void)
+INLINE void REVERBDo(int ns_to)
{
if (!rvb.StartAddr) // reverb is off
{
@@ -271,19 +259,19 @@ INLINE void REVERBDo(void) if (unlikely(rvb.dirty))
prepare_offsets();
- MixREVERB();
+ MixREVERB(ns_to);
}
else if (rvb.VolLeft || rvb.VolRight)
{
if (unlikely(rvb.dirty))
prepare_offsets();
- MixREVERB_off();
+ MixREVERB_off(ns_to);
}
else // -> reverb off
{
// reverb runs anyway
- rvb.CurrAddr += NSSIZE/2;
+ rvb.CurrAddr += ns_to / 2;
while (rvb.CurrAddr >= 0x40000)
rvb.CurrAddr -= 0x40000 - rvb.StartAddr;
}
diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c index 7d3f1a0..3d598db 100644 --- a/plugins/dfsound/spu.c +++ b/plugins/dfsound/spu.c @@ -49,6 +49,9 @@ #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"); @@ -106,6 +109,7 @@ unsigned int dwChannelDead=0; // silent+not useful chan 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) @@ -117,15 +121,11 @@ static const int f[8][2] = { { 0, 0 }, int ChanBuf[NSSIZE+3]; int SSumLR[(NSSIZE+3)*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; +unsigned int cycles_played; #define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2 @@ -518,8 +518,48 @@ 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 == 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) + 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, int ns_to) \ { \ int sinc = s_chan[ch].sinc; \ int spos = s_chan[ch].spos; \ @@ -533,23 +573,23 @@ static int do_samples_##name(int ch, int ns, int ns_to) \ { \ 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; \ + ret = /*ns_to =*/ ns + 1; \ } \ \ - fa = SB[sbpos++]; \ interp1_code; \ spos -= 0x10000; \ } \ \ interp2_code; \ - spos += sinc; \ } \ \ s_chan[ch].sinc = sinc; \ @@ -585,7 +625,7 @@ 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 noinline int do_samples_noise(int ch, int ns, int ns_to) { int level, shift, bit; int ret = -1, d; @@ -667,7 +707,7 @@ 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(int which, int start, int count) { const int *src = ChanBuf + start; unsigned short *dst = &spuMem[0x800/2 + which*0x400/2]; @@ -689,57 +729,84 @@ static void noinline do_decode_bufs(int which, int start, int count) // basically the whole sound processing is done in this fat func! //////////////////////////////////////////////////////////////////////// -static int do_samples(int forced_updates) +void do_samples(unsigned int cycles_to) { + const int ns_from = 0; + int ns,ns_to,ns_len; int volmult = iVolume; - int ns,ns_from,ns_to,ns_len; int ch,d,silentch; - int bIRQReturn=0; + 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 - cycles_played; + if (cycle_diff < -2*1048576 || cycle_diff > 2*1048576) + { + //xprintf("desync %u %d\n", cycles_to, cycle_diff); + 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) - { - 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 - } + 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; + } + + ////////////////////////////////////////////////////// + // 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((spuCtrl & CTRL_IRQ) && pSpuIrq && pSpuIrq < spuMemC+0x1000)) + { + int irq_pos = (pSpuIrq - spuMemC) / 2 & 0x1ff; + int left = (irq_pos - decode_pos) & 0x1ff; + if (0 < left && left <= ns_to) + { + //xprintf("decoder irq %x\n", decode_pos); + do_irq(); + ns_to = left; + } + } + + InitREVERB(ns_to); + { silentch=~(dwChannelOn|dwNewChannel); //--------------------------------------------------// //- main channel loop -// //--------------------------------------------------// { - for(;ch<MAXCHAN;ch++) // loop em all... we will collect 1 ms of sound of each playing channel + for(ch=0;ch<MAXCHAN;ch++) // loop em all... { if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next if(s_chan[ch].bNoise) - d=do_samples_noise(ch, ns_from, ns_to); + do_samples_noise(ch, ns_from, ns_to); else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0)) - d=do_samples_noint(ch, ns_from, ns_to); + do_samples_noint(ch, ns_from, ns_to); else if(s_chan[ch].bFMod==0 && iUseInterpolation==1) - d=do_samples_simple(ch, ns_from, ns_to); + do_samples_simple(ch, ns_from, ns_to); else - d=do_samples_default(ch, ns_from, ns_to); - if(d>=0) - { - bIRQReturn=1; - lastch=ch; - lastns=ns_to=d; - } + do_samples_default(ch, ns_from, ns_to); + ns_len = ns_to - ns_from; MixADSR(ch, ns_from, ns_to); @@ -774,7 +841,6 @@ static int do_samples(int forced_updates) { 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) { @@ -788,9 +854,6 @@ static int do_samples(int forced_updates) } } - if(bIRQReturn) // special return for "spu irq - wait for cpu action" - return 0; - if(unlikely(silentch & decode_dirty_ch & (1<<1))) // must clear silent channel decode buffers { memset(&spuMem[0x800/2], 0, 0x400); @@ -807,21 +870,21 @@ static int do_samples(int forced_updates) //---------------------------------------------------// // mix XA infos (if any) - MixXA(); + MixXA(ns_to); /////////////////////////////////////////////////////// // mix all channels (including reverb) into one buffer if(iUseReverb) - REVERBDo(); + REVERBDo(ns_to); if((spuCtrl&0x4000)==0) // muted? (rare, don't optimize for this) { - memset(pS, 0, NSSIZE * 2 * sizeof(pS[0])); - pS += NSSIZE*2; + memset(pS, 0, ns_to * 2 * sizeof(pS[0])); + pS += ns_to * 2; } else - for (ns = 0; ns < NSSIZE*2; ) + for (ns = 0; ns < ns_to * 2; ) { d = SSumLR[ns]; SSumLR[ns] = 0; d = d * volmult >> 10; @@ -836,97 +899,70 @@ static int do_samples(int forced_updates) ns++; } - cycles_since_update -= PSXCLK / 44100 * NSSIZE; + cycles_played += ns_to * 768; - ////////////////////////////////////////////////////// - // 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). - - if(unlikely((spuCtrl&CTRL_IRQ) && pSpuIrq && pSpuIrq<spuMemC+0x1000)) - { - int irq_pos=(pSpuIrq-spuMemC)/2 & 0x1ff; - if((decode_pos <= irq_pos && irq_pos < decode_pos+NSSIZE) - || (decode_pos+NSSIZE > 0x200 && irq_pos < ((decode_pos+NSSIZE) & 0x1ff))) - { - //printf("decoder irq %x\n", decode_pos); - do_irq(); - bIRQReturn = 1; - } - } - decode_pos = (decode_pos + NSSIZE) & 0x1ff; + decode_pos = (decode_pos + ns_to) & 0x1ff; + } +} - InitREVERB(); +void schedule_next_irq(void) +{ + unsigned int upd_samples; + int ch; - // 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; + if (scheduleCallback == NULL) + return; - if(!forced_updates && out_current->busy()) - break; - } + upd_samples = 44100 / 50; - if(forced_updates > 0) - { - forced_updates--; - if(forced_updates == 0 && out_current->busy()) - break; - } + for (ch = 0; ch < MAXCHAN; ch++) + { + if (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) + continue; - if(cycles_since_update <= -PSXCLK/60 / 4) - break; + scan_for_irq(ch, &upd_samples); } - // this may cause desync, but help audio when the emu can't keep up.. - if(cycles_since_update < 0) - cycles_since_update = 0; + if (unlikely(pSpuIrq < spuMemC + 0x1000)) + { + int irq_pos = (pSpuIrq - spuMemC) / 2 & 0x1ff; + int left = (irq_pos - decode_pos) & 0x1ff; + if (0 < left && left < upd_samples) { + //xprintf("decode: %3d (%3d/%3d)\n", left, decode_pos, irq_pos); + upd_samples = left; + } + } - return 0; + if (upd_samples < 44100 / 50) + 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) { - int forced_updates = 0; - int do_update = 0; + do_samples(cycle); - if(!bSpuInit) return; // -> no init, no call + if (spuCtrl & CTRL_IRQ) + schedule_next_irq(); - cycles_since_update += cycle; + if (flags & 1) { + out_current->feed(pSpuBuffer, (unsigned char *)pS - pSpuBuffer); + pS = (short *)pSpuBuffer; - if(dwNewChannel || had_dma) - { - forced_updates = 1; - do_update = 1; - had_dma = 0; + if (0) { + if (!out_current->busy()) + // cause more samples to be generated + // (and break some games because of bad sync) + cycles_played -= 44100 / 60 / 2 * 768; } - - if(cycles_since_update > PSXCLK/60 * 5/4) - do_update = 1; - - if(do_update) - do_samples(forced_updates); + } } // SPU UPDATE... new epsxe func @@ -940,7 +976,6 @@ void CALLBACK SPUasync(unsigned long cycle) void CALLBACK SPUupdate(void) { - SPUasync(0); } // XA AUDIO @@ -1003,6 +1038,7 @@ void SetupStreams(void) // slow us down: // s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL); s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain + s_chan[i].ADSRX.SustainIncrease = 1; s_chan[i].pLoop=spuMemC; s_chan[i].pCurr=spuMemC; } @@ -1040,7 +1076,6 @@ long CALLBACK SPUinit(void) decode_pos = 0; memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN)); pSpuIrq = 0; - lastch = -1; SetupStreams(); // prepare streaming @@ -1123,6 +1158,7 @@ void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned shor void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int)) { + scheduleCallback = callback; } // COMMON PLUGIN INFO FUNCS diff --git a/plugins/dfsound/xa.c b/plugins/dfsound/xa.c index e58bca2..4c016aa 100644 --- a/plugins/dfsound/xa.c +++ b/plugins/dfsound/xa.c @@ -56,7 +56,7 @@ static int gauss_window[8] = {0, 0, 0, 0, 0, 0, 0, 0}; // MIX XA & CDDA //////////////////////////////////////////////////////////////////////// -INLINE void MixXA(void) +INLINE void MixXA(int ns_to) { int ns; short l, r; @@ -69,7 +69,7 @@ INLINE void MixXA(void) XARepeat--; v = XALastVal; - for(ns=0;ns<NSSIZE*2;) + for(ns = 0; ns < ns_to*2; ) { if(XAPlay != XAFeed) v=*XAPlay++; if(XAPlay == XAEnd) XAPlay=XAStart; @@ -86,7 +86,7 @@ INLINE void MixXA(void) XALastVal = v; } - for(ns=0;ns<NSSIZE*2 && CDDAPlay!=CDDAFeed && (CDDAPlay!=CDDAEnd-1||CDDAFeed!=CDDAStart);) + for(ns = 0; ns < ns_to * 2 && CDDAPlay!=CDDAFeed && (CDDAPlay!=CDDAEnd-1||CDDAFeed!=CDDAStart);) { v=*CDDAPlay++; if(CDDAPlay==CDDAEnd) CDDAPlay=CDDAStart; |