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Diffstat (limited to 'plugins/dfsound/xa.c')
-rw-r--r--plugins/dfsound/xa.c126
1 files changed, 54 insertions, 72 deletions
diff --git a/plugins/dfsound/xa.c b/plugins/dfsound/xa.c
index 4c016aa..704847b 100644
--- a/plugins/dfsound/xa.c
+++ b/plugins/dfsound/xa.c
@@ -26,24 +26,6 @@
// XA GLOBALS
////////////////////////////////////////////////////////////////////////
-xa_decode_t * xapGlobal=0;
-
-uint32_t * XAFeed = NULL;
-uint32_t * XAPlay = NULL;
-uint32_t * XAStart = NULL;
-uint32_t * XAEnd = NULL;
-
-uint32_t XARepeat = 0;
-uint32_t XALastVal = 0;
-
-uint32_t * CDDAFeed = NULL;
-uint32_t * CDDAPlay = NULL;
-uint32_t * CDDAStart = NULL;
-uint32_t * CDDAEnd = NULL;
-
-int iLeftXAVol = 32767;
-int iRightXAVol = 32767;
-
static int gauss_ptr = 0;
static int gauss_window[8] = {0, 0, 0, 0, 0, 0, 0, 0};
@@ -61,43 +43,43 @@ INLINE void MixXA(int ns_to)
int ns;
short l, r;
uint32_t v;
- int cursor = decode_pos;
+ int cursor = spu.decode_pos;
- if(XAPlay != XAFeed || XARepeat > 0)
+ if(spu.XAPlay != spu.XAFeed || spu.XARepeat > 0)
{
- if(XAPlay == XAFeed)
- XARepeat--;
+ if(spu.XAPlay == spu.XAFeed)
+ spu.XARepeat--;
- v = XALastVal;
+ v = spu.XALastVal;
for(ns = 0; ns < ns_to*2; )
{
- if(XAPlay != XAFeed) v=*XAPlay++;
- if(XAPlay == XAEnd) XAPlay=XAStart;
+ if(spu.XAPlay != spu.XAFeed) v=*spu.XAPlay++;
+ if(spu.XAPlay == spu.XAEnd) spu.XAPlay=spu.XAStart;
- l = ((int)(short)v * iLeftXAVol) >> 15;
- r = ((int)(short)(v >> 16) * iLeftXAVol) >> 15;
+ l = ((int)(short)v * spu.iLeftXAVol) >> 15;
+ r = ((int)(short)(v >> 16) * spu.iLeftXAVol) >> 15;
SSumLR[ns++] += l;
SSumLR[ns++] += r;
- spuMem[cursor] = v;
- spuMem[cursor + 0x400/2] = v >> 16;
+ spu.spuMem[cursor] = v;
+ spu.spuMem[cursor + 0x400/2] = v >> 16;
cursor = (cursor + 1) & 0x1ff;
}
- XALastVal = v;
+ spu.XALastVal = v;
}
- for(ns = 0; ns < ns_to * 2 && CDDAPlay!=CDDAFeed && (CDDAPlay!=CDDAEnd-1||CDDAFeed!=CDDAStart);)
+ for(ns = 0; ns < ns_to * 2 && spu.CDDAPlay!=spu.CDDAFeed && (spu.CDDAPlay!=spu.CDDAEnd-1||spu.CDDAFeed!=spu.CDDAStart);)
{
- v=*CDDAPlay++;
- if(CDDAPlay==CDDAEnd) CDDAPlay=CDDAStart;
+ v=*spu.CDDAPlay++;
+ if(spu.CDDAPlay==spu.CDDAEnd) spu.CDDAPlay=spu.CDDAStart;
- l = ((int)(short)v * iLeftXAVol) >> 15;
- r = ((int)(short)(v >> 16) * iLeftXAVol) >> 15;
+ l = ((int)(short)v * spu.iLeftXAVol) >> 15;
+ r = ((int)(short)(v >> 16) * spu.iLeftXAVol) >> 15;
SSumLR[ns++] += l;
SSumLR[ns++] += r;
- spuMem[cursor] = v;
- spuMem[cursor + 0x400/2] = v >> 16;
+ spu.spuMem[cursor] = v;
+ spu.spuMem[cursor + 0x400/2] = v >> 16;
cursor = (cursor + 1) & 0x1ff;
}
}
@@ -121,10 +103,10 @@ INLINE void FeedXA(xa_decode_t *xap)
{
int sinc,spos,i,iSize,iPlace,vl,vr;
- if(!bSPUIsOpen) return;
+ if(!spu.bSPUIsOpen) return;
- xapGlobal = xap; // store info for save states
- XARepeat = 100; // set up repeat
+ spu.xapGlobal = xap; // store info for save states
+ spu.XARepeat = 100; // set up repeat
#if 0//def XA_HACK
iSize=((45500*xap->nsamples)/xap->freq); // get size
@@ -133,13 +115,13 @@ INLINE void FeedXA(xa_decode_t *xap)
#endif
if(!iSize) return; // none? bye
- if(XAFeed<XAPlay) iPlace=XAPlay-XAFeed; // how much space in my buf?
- else iPlace=(XAEnd-XAFeed) + (XAPlay-XAStart);
+ if(spu.XAFeed<spu.XAPlay) iPlace=spu.XAPlay-spu.XAFeed; // how much space in my buf?
+ else iPlace=(spu.XAEnd-spu.XAFeed) + (spu.XAPlay-spu.XAStart);
if(iPlace==0) return; // no place at all
//----------------------------------------------------//
- if(iXAPitch) // pitch change option?
+ if(spu_config.iXAPitch) // pitch change option?
{
static DWORD dwLT=0;
static DWORD dwFPS=0;
@@ -185,12 +167,12 @@ INLINE void FeedXA(xa_decode_t *xap)
uint32_t * pS=(uint32_t *)xap->pcm;
uint32_t l=0;
- if(iXAPitch)
+ if(spu_config.iXAPitch)
{
int32_t l1,l2;short s;
for(i=0;i<iSize;i++)
{
- if(iUseInterpolation==2)
+ if(spu_config.iUseInterpolation==2)
{
while(spos>=0x10000L)
{
@@ -231,12 +213,12 @@ INLINE void FeedXA(xa_decode_t *xap)
ssat32_to_16(l2);
l=(l1&0xffff)|(l2<<16);
- *XAFeed++=l;
+ *spu.XAFeed++=l;
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
+ if(spu.XAFeed==spu.XAEnd) spu.XAFeed=spu.XAStart;
+ if(spu.XAFeed==spu.XAPlay)
{
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ if(spu.XAPlay!=spu.XAStart) spu.XAFeed=spu.XAPlay-1;
break;
}
@@ -247,7 +229,7 @@ INLINE void FeedXA(xa_decode_t *xap)
{
for(i=0;i<iSize;i++)
{
- if(iUseInterpolation==2)
+ if(spu_config.iUseInterpolation==2)
{
while(spos>=0x10000L)
{
@@ -278,12 +260,12 @@ INLINE void FeedXA(xa_decode_t *xap)
}
}
- *XAFeed++=l;
+ *spu.XAFeed++=l;
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
+ if(spu.XAFeed==spu.XAEnd) spu.XAFeed=spu.XAStart;
+ if(spu.XAFeed==spu.XAPlay)
{
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ if(spu.XAPlay!=spu.XAStart) spu.XAFeed=spu.XAPlay-1;
break;
}
@@ -296,12 +278,12 @@ INLINE void FeedXA(xa_decode_t *xap)
unsigned short * pS=(unsigned short *)xap->pcm;
uint32_t l;short s=0;
- if(iXAPitch)
+ if(spu_config.iXAPitch)
{
int32_t l1;
for(i=0;i<iSize;i++)
{
- if(iUseInterpolation==2)
+ if(spu_config.iUseInterpolation==2)
{
while(spos>=0x10000L)
{
@@ -330,12 +312,12 @@ INLINE void FeedXA(xa_decode_t *xap)
l1=(l1*iPlace)/iSize;
ssat32_to_16(l1);
l=(l1&0xffff)|(l1<<16);
- *XAFeed++=l;
+ *spu.XAFeed++=l;
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
+ if(spu.XAFeed==spu.XAEnd) spu.XAFeed=spu.XAStart;
+ if(spu.XAFeed==spu.XAPlay)
{
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ if(spu.XAPlay!=spu.XAStart) spu.XAFeed=spu.XAPlay-1;
break;
}
@@ -346,7 +328,7 @@ INLINE void FeedXA(xa_decode_t *xap)
{
for(i=0;i<iSize;i++)
{
- if(iUseInterpolation==2)
+ if(spu_config.iUseInterpolation==2)
{
while(spos>=0x10000L)
{
@@ -372,12 +354,12 @@ INLINE void FeedXA(xa_decode_t *xap)
}
l &= 0xffff;
- *XAFeed++=(l|(l<<16));
+ *spu.XAFeed++=(l|(l<<16));
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
+ if(spu.XAFeed==spu.XAEnd) spu.XAFeed=spu.XAStart;
+ if(spu.XAFeed==spu.XAPlay)
{
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ if(spu.XAPlay!=spu.XAStart) spu.XAFeed=spu.XAPlay-1;
break;
}
@@ -394,21 +376,21 @@ INLINE void FeedXA(xa_decode_t *xap)
INLINE int FeedCDDA(unsigned char *pcm, int nBytes)
{
int space;
- space=(CDDAPlay-CDDAFeed-1)*4 & (CDDA_BUFFER_SIZE - 1);
+ space=(spu.CDDAPlay-spu.CDDAFeed-1)*4 & (CDDA_BUFFER_SIZE - 1);
if(space<nBytes)
return 0x7761; // rearmed_wait
while(nBytes>0)
{
- if(CDDAFeed==CDDAEnd) CDDAFeed=CDDAStart;
- space=(CDDAPlay-CDDAFeed-1)*4 & (CDDA_BUFFER_SIZE - 1);
- if(CDDAFeed+space/4>CDDAEnd)
- space=(CDDAEnd-CDDAFeed)*4;
+ if(spu.CDDAFeed==spu.CDDAEnd) spu.CDDAFeed=spu.CDDAStart;
+ space=(spu.CDDAPlay-spu.CDDAFeed-1)*4 & (CDDA_BUFFER_SIZE - 1);
+ if(spu.CDDAFeed+space/4>spu.CDDAEnd)
+ space=(spu.CDDAEnd-spu.CDDAFeed)*4;
if(space>nBytes)
space=nBytes;
- memcpy(CDDAFeed,pcm,space);
- CDDAFeed+=space/4;
+ memcpy(spu.CDDAFeed,pcm,space);
+ spu.CDDAFeed+=space/4;
nBytes-=space;
pcm+=space;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-06 21:23:04 +0000