#include "externals.h"
#include "registers.h"
-#include "cfg.h"
#include "dsoundoss.h"
-#include "regs.h"
#ifdef ENABLE_NLS
#include <libintl.h>
#define N_(x) (x)
#endif
-#ifdef __arm__
+#ifdef __ARM_ARCH_7A__
#define ssat32_to_16(v) \
asm("ssat %0,#16,%1" : "=r" (v) : "r" (v))
#else
int iVolume=768; // 1024 is 1.0
int iXAPitch=1;
-int iUseTimer=2;
int iSPUIRQWait=1;
int iDebugMode=0;
int iRecordMode=0;
unsigned short spuStat=0;
unsigned short spuIrq=0;
unsigned long spuAddr=0xffffffff; // address into spu mem
-int bEndThread=0; // thread handlers
-int bThreadEnded=0;
int bSpuInit=0;
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;
+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;
static int lastns=0; // last ns pos
static int iSecureStart=0; // secure start counter
+#define CDDA_BUFFER_SIZE (16384 * sizeof(uint32_t)) // must be power of 2
+
////////////////////////////////////////////////////////////////////////
// CODE AREA
////////////////////////////////////////////////////////////////////////
s_chan[ch].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));
- else s_chan[ch].SB[29]+=s_chan[ch].SB[28];
+ //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));
+ //else
+ s_chan[ch].SB[29]+=s_chan[ch].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];
// ALL KIND OF HELPERS
////////////////////////////////////////////////////////////////////////
-INLINE void VoiceChangeFrequency(int ch)
-{
- s_chan[ch].iUsedFreq=s_chan[ch].iActFreq; // -> take it and calc steps
- s_chan[ch].sinc=s_chan[ch].iRawPitch<<4;
- if(!s_chan[ch].sinc) s_chan[ch].sinc=1;
- if(iUseInterpolation==1) s_chan[ch].SB[32]=1; // -> freq change in simle imterpolation mode: set flag
-}
-
-////////////////////////////////////////////////////////////////////////
-
INLINE int FModChangeFrequency(int ch,int ns)
{
- int NP=s_chan[ch].iRawPitch;
+ unsigned int NP=s_chan[ch].iRawPitch;
int sinc;
NP=((32768L+iFMod[ns])*NP)/32768L;
if(NP>0x3fff) NP=0x3fff;
if(NP<0x1) NP=0x1;
- NP=(44100L*NP)/(4096L); // calc frequency
-
- s_chan[ch].iActFreq=NP;
- s_chan[ch].iUsedFreq=NP;
- sinc=(((NP/10)<<16)/4410);
- if(!sinc) sinc=1;
+ sinc=NP<<4; // calc frequency
if(iUseInterpolation==1) // freq change in simple interpolation mode
s_chan[ch].SB[32]=1;
iFMod[ns]=0;
////////////////////////////////////////////////////////////////////////
-INLINE int iGetInterpolationVal(int ch)
+INLINE int iGetInterpolationVal(int ch, int spos)
{
int fa;
case 3: // cubic interpolation
{
long xd;int gpos;
- xd = ((s_chan[ch].spos) >> 1)+1;
+ xd = (spos >> 1)+1;
gpos = s_chan[ch].SB[28];
fa = gval(3) - 3*gval(2) + 3*gval(1) - gval0;
case 2: // gauss interpolation
{
int vl, vr;int gpos;
- vl = (s_chan[ch].spos >> 6) & ~3;
+ vl = (spos >> 6) & ~3;
gpos = s_chan[ch].SB[28];
vr=(gauss[vl]*gval0)&~2047;
vr+=(gauss[vl+1]*gval(1))&~2047;
static void do_irq(void)
{
- if(!(spuStat & STAT_IRQ))
+ //if(!(spuStat & STAT_IRQ))
{
- spuStat |= STAT_IRQ;
+ spuStat |= STAT_IRQ; // asserted status?
if(irqCallback) irqCallback();
}
}
int ret = 0;
start=s_chan[ch].pCurr; // set up the current pos
- if(start == (unsigned char*)-1 || // special "stop" sign
- (dwPendingChanOff&(1<<ch)))
+ if(dwPendingChanOff&(1<<ch))
{
dwChannelOn&=~(1<<ch); // -> turn everything off
dwPendingChanOff&=~(1<<ch);
s_chan[ch].bStop=1;
s_chan[ch].ADSRX.EnvelopeVol=0;
- return 0; // -> and done for this channel
}
//////////////////////////////////////////// irq check
start = s_chan[ch].pLoop;
}
- if (start - spuMemC >= 0x80000)
- start = (unsigned char*)-1;
+ if (start - spuMemC >= 0x80000) {
+ // most likely wrong
+ start = spuMemC;
+ printf("ch%d oflow\n", ch);
+ }
s_chan[ch].pCurr = start; // store values for next cycle
+ s_chan[ch].bJump = flags & 1;
return ret;
}
int flags = start[1];
int ret = 0;
- // Tron Bonne hack, probably wrong (could be wrong memory contents..)
- if(flags & ~7) flags = 0;
-
if(start == pSpuIrq)
{
do_irq();
}
if(flags & 4)
- s_chan[ch].pLoop=start;
+ s_chan[ch].pLoop = start;
s_chan[ch].pCurr += 16;
if(flags & 1)
s_chan[ch].pCurr = s_chan[ch].pLoop;
+ s_chan[ch].bJump = flags & 1;
return ret;
}
make_do_samples(default, fmod_recv_check, ,
StoreInterpolationVal(ch, fa),
- ChanBuf[ns] = iGetInterpolationVal(ch), )
+ ChanBuf[ns] = iGetInterpolationVal(ch, spos), )
make_do_samples(noint, , fa = s_chan[ch].SB[29], , ChanBuf[ns] = fa, s_chan[ch].SB[29] = fa)
#define simple_interp_store \
}
#ifdef __arm__
-// asm code
+// 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);
#else
////////////////////////////////////////////////////////////////////////
// MAIN SPU FUNCTION
-// here is the main job handler... thread, timer or direct func call
+// here is the main job handler...
// basically the whole sound processing is done in this fat func!
////////////////////////////////////////////////////////////////////////
-// 5 ms waiting phase, if buffer is full and no new sound has to get started
-// .. can be made smaller (smallest val: 1 ms), but bigger waits give
-// better performance
-
-#define PAUSE_W 5
-#define PAUSE_L 5000
-
-////////////////////////////////////////////////////////////////////////
-
-static void *MAINThread(void *arg)
+static int do_samples(void)
{
int volmult = iVolume;
int ns,ns_from,ns_to;
- int ch,d;
+ int ch,d,silentch;
int bIRQReturn=0;
- while(!bEndThread) // until we are shutting down
+ while(1)
{
// ok, at the beginning we are looking if there is
// enuff free place in the dsound/oss buffer to
}
else iSecureStart=0; // 0: no new channel should start
- while(!iSecureStart && !bEndThread && // no new start? no thread end?
+ if(!iSecureStart && // no new start?
(SoundGetBytesBuffered()>TESTSIZE)) // and still enuff data in sound buffer?
{
- iSecureStart=0; // reset secure
-
- if(iUseTimer) return 0; // linux no-thread mode? bye
- usleep(PAUSE_L); // else sleep for x ms (linux)
-
- if(dwNewChannel) iSecureStart=1; // if a new channel kicks in (or, of course, sound buffer runs low), we will leave the loop
+ return 0;
}
//--------------------------------------------------// continue from irq handling in timer mode?
ch=lastch; ns_from=lastns; lastch=-1; // -> setup all kind of vars to continue
}
+ silentch=~(dwChannelOn|dwNewChannel);
+
//--------------------------------------------------//
//- main channel loop -//
//--------------------------------------------------//
if(dwNewChannel&(1<<ch)) StartSound(ch); // start new sound
if(!(dwChannelOn&(1<<ch))) continue; // channel not playing? next
- if(s_chan[ch].iActFreq!=s_chan[ch].iUsedFreq) // new psx frequency?
- VoiceChangeFrequency(ch);
-
if(s_chan[ch].bNoise)
d=do_samples_noise(ch, ns_from, ns_to);
else if(s_chan[ch].bFMod==2 || (s_chan[ch].bFMod==0 && iUseInterpolation==0))
bIRQReturn=1;
lastch=ch;
lastns=ns_to=d;
+ if(d==0)
+ break;
}
MixADSR(ch, ns_from, ns_to);
if(!bIRQReturn && (spuCtrl&CTRL_IRQ))
for(ch=0;ch<MAXCHAN;ch++)
{
- if(dwChannelOn&(1<<ch)) continue; // already handled
- if(s_chan[ch].pCurr == (unsigned char *)-1)
- continue;
+ if(!(silentch&(1<<ch))) continue; // already handled
+ if(dwChannelDead&(1<<ch)) continue;
if(s_chan[ch].pCurr > 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;
+ unsigned char *start = s_chan[ch].pCurr;
// no need for bIRQReturn since the channel is silent
iSpuAsyncWait |= skip_block(ch);
if(start == s_chan[ch].pCurr)
{
// looping on self
- s_chan[ch].pCurr=(unsigned char *)-1;
+ dwChannelDead |= 1<<ch;
+ s_chan[ch].spos = 0;
break;
}
{
iSpuAsyncWait=1;
bIRQReturn=0;
- if(iUseTimer!=2)
- {
- DWORD dwWatchTime=timeGetTime_spu()+2500;
-
- while(iSpuAsyncWait && !bEndThread &&
- timeGetTime_spu()<dwWatchTime)
- usleep(1000L);
- continue;
- }
- else
- {
- return 0;
- }
+ return 0;
}
}
}
- // end of big main loop...
-
- bThreadEnded = 1;
-
return 0;
}
// SPU ASYNC... even newer epsxe func
// 1 time every 'cycle' cycles... harhar
+// rearmed: called every 2ms now
+
void CALLBACK SPUasync(unsigned long cycle)
{
if(iSpuAsyncWait)
iSpuAsyncWait=0;
}
- if(iUseTimer==2) // special mode, only used in Linux by this spu (or if you enable the experimental Windows mode)
- {
- if(!bSpuInit) return; // -> no init, no call
+ if(!bSpuInit) return; // -> no init, no call
- MAINThread(0); // -> linux high-compat mode
+ do_samples();
- // 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;
- }
+ // 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;
}
// SPU UPDATE... new epsxe func
}
// CDDA AUDIO
-void CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes)
+int CALLBACK SPUplayCDDAchannel(short *pcm, int nbytes)
{
- if (!pcm) return;
- if (nbytes<=0) return;
+ if (!pcm) return -1;
+ if (nbytes<=0) return -1;
- FeedCDDA((unsigned char *)pcm, nbytes);
+ return FeedCDDA((unsigned char *)pcm, nbytes);
}
-// SETUPTIMER: init of certain buffers and threads/timers
-void SetupTimer(void)
+// to be called after state load
+void ClearWorkingState(void)
{
memset(SSumLR,0,sizeof(SSumLR)); // init some mixing buffers
- memset(iFMod,0,NSSIZE*sizeof(int));
+ memset(iFMod,0,sizeof(iFMod));
pS=(short *)pSpuBuffer; // setup soundbuffer pointer
-
- bEndThread=0; // init thread vars
- bThreadEnded=0;
- bSpuInit=1; // flag: we are inited
-
- if(!iUseTimer) // linux: use thread
- {
- pthread_create(&thread, NULL, MAINThread, NULL);
- }
-}
-
-// REMOVETIMER: kill threads/timers
-void RemoveTimer(void)
-{
- bEndThread=1; // raise flag to end thread
-
- if(!iUseTimer) // linux tread?
- {
- int i=0;
- while(!bThreadEnded && i<2000) {usleep(1000L);i++;} // -> wait until thread has ended
- if(thread!=(pthread_t)-1) {pthread_cancel(thread);thread=(pthread_t)-1;} // -> cancel thread anyway
- }
-
- bThreadEnded=0; // no more spu is running
- bSpuInit=0;
}
// SETUPSTREAMS: init most of the spu buffers
XAFeed = XAStart;
CDDAStart = // alloc cdda buffer
- (uint32_t *)malloc(16384 * sizeof(uint32_t));
+ (uint32_t *)malloc(CDDA_BUFFER_SIZE);
CDDAEnd = CDDAStart + 16384;
CDDAPlay = CDDAStart;
CDDAFeed = CDDAStart;
// s_chan[i].hMutex=CreateMutex(NULL,FALSE,NULL);
s_chan[i].ADSRX.SustainLevel = 0xf; // -> init sustain
s_chan[i].pLoop=spuMemC;
- s_chan[i].pStart=spuMemC;
s_chan[i].pCurr=spuMemC;
}
- pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address
+ pMixIrq=spuMemC; // enable decoded buffer irqs by setting the address
+
+ ClearWorkingState();
+
+ bSpuInit=1; // flag: we are inited
}
// REMOVESTREAMS: free most buffer
spuIrq = 0;
spuAddr = 0xffffffff;
- bEndThread = 0;
- bThreadEnded = 0;
spuMemC = (unsigned char *)spuMem;
pMixIrq = 0;
memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN));
//iSPUIRQWait = 0;
lastch = -1;
- //ReadConfigSPU(); // read user stuff
SetupStreams(); // prepare streaming
return 0;
if (bSPUIsOpen) return 0; // security for some stupid main emus
SetupSound(); // setup sound (before init!)
- SetupTimer(); // timer for feeding data
bSPUIsOpen = 1;
bSPUIsOpen = 0; // no more open
- RemoveTimer(); // no more feeding
RemoveSound(); // no more sound handling
return 0;
{
SPUclose();
RemoveStreams(); // no more streaming
+ bSpuInit=0;
return 0;
}
*/
// debug
-void spu_get_debug_info(int *chans_out, int *fmod_chans_out, int *noise_chans_out)
+void spu_get_debug_info(int *chans_out, int *run_chans, int *fmod_chans_out, int *noise_chans_out)
{
- int ch = 0, fmod_chans = 0, noise_chans = 0;
+ int ch = 0, fmod_chans = 0, noise_chans = 0, irq_chans = 0;
for(;ch<MAXCHAN;ch++)
{
fmod_chans |= 1 << ch;
if (s_chan[ch].bNoise)
noise_chans |= 1 << ch;
+ if((spuCtrl&CTRL_IRQ) && s_chan[ch].pCurr <= pSpuIrq && s_chan[ch].pLoop <= pSpuIrq)
+ irq_chans |= 1 << ch;
}
*chans_out = dwChannelOn;
+ *run_chans = ~dwChannelOn & ~dwChannelDead & irq_chans;
*fmod_chans_out = fmod_chans;
*noise_chans_out = noise_chans;
}