X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plugins%2Fdfsound%2Fxa.c;h=c3658af41b862a304f82446f3b1cab09ca6077de;hb=HEAD;hp=c7a84fd01bca8b21e12cba9cf67a64a8e1c53a88;hpb=acc415b3040edfcc91226955f39b405f09cca430;p=pcsx_rearmed.git

diff --git a/plugins/dfsound/xa.c b/plugins/dfsound/xa.c
index c7a84fd0..380d1388 100644
--- a/plugins/dfsound/xa.c
+++ b/plugins/dfsound/xa.c
@@ -16,6 +16,7 @@
  ***************************************************************************/
 
 #include "stdafx.h"
+#include "spu.h"
 #define _IN_XA
 #include <stdint.h>
 
@@ -38,30 +39,84 @@ static int gauss_window[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 // MIX XA & CDDA
 ////////////////////////////////////////////////////////////////////////
 
-INLINE void MixXA(int *SSumLR, int ns_to, int decode_pos)
+INLINE void SkipCD(int ns_to, int decode_pos)
 {
  int cursor = decode_pos;
  int ns;
- short l, r;
+
+ if(spu.XAPlay != spu.XAFeed)
+ {
+  for(ns = 0; ns < ns_to*2; ns += 2)
+   {
+    if(spu.XAPlay != spu.XAFeed) spu.XAPlay++;
+    if(spu.XAPlay == spu.XAEnd) spu.XAPlay=spu.XAStart;
+
+    spu.spuMem[cursor] = 0;
+    spu.spuMem[cursor + 0x400/2] = 0;
+    cursor = (cursor + 1) & 0x1ff;
+   }
+ }
+ else if(spu.CDDAPlay != spu.CDDAFeed)
+ {
+  for(ns = 0; ns < ns_to*2; ns += 2)
+   {
+    if(spu.CDDAPlay != spu.CDDAFeed) spu.CDDAPlay++;
+    if(spu.CDDAPlay == spu.CDDAEnd) spu.CDDAPlay=spu.CDDAStart;
+
+    spu.spuMem[cursor] = 0;
+    spu.spuMem[cursor + 0x400/2] = 0;
+    cursor = (cursor + 1) & 0x1ff;
+   }
+ }
+ spu.XALastVal = 0;
+}
+
+INLINE void MixCD(int *SSumLR, int *RVB, int ns_to, int decode_pos)
+{
+ int vll = spu.iLeftXAVol * spu.cdv.ll >> 7;
+ int vrl = spu.iLeftXAVol * spu.cdv.rl >> 7;
+ int vlr = spu.iRightXAVol * spu.cdv.lr >> 7;
+ int vrr = spu.iRightXAVol * spu.cdv.rr >> 7;
+ int cursor = decode_pos;
+ int l1, r1, l, r;
+ int ns;
  uint32_t v = spu.XALastVal;
 
+ // note: spu volume doesn't affect cd capture
+ if ((spu.cdv.ll | spu.cdv.lr | spu.cdv.rl | spu.cdv.rr) == 0)
+ {
+  SkipCD(ns_to, decode_pos);
+  return;
+ }
+
  if(spu.XAPlay != spu.XAFeed || spu.XARepeat > 0)
  {
   if(spu.XAPlay == spu.XAFeed)
    spu.XARepeat--;
 
-  for(ns = 0; ns < ns_to*2; )
+  for(ns = 0; ns < ns_to*2; ns += 2)
    {
     if(spu.XAPlay != spu.XAFeed) v=*spu.XAPlay++;
     if(spu.XAPlay == spu.XAEnd) spu.XAPlay=spu.XAStart;
 
-    l = ((int)(short)v * spu.iLeftXAVol) >> 15;
-    r = ((int)(short)(v >> 16) * spu.iLeftXAVol) >> 15;
-    SSumLR[ns++] += l;
-    SSumLR[ns++] += r;
+    l1 = (short)v, r1 = (short)(v >> 16);
+    l = (l1 * vll + r1 * vrl) >> 15;
+    r = (r1 * vrr + l1 * vlr) >> 15;
+    ssat32_to_16(l);
+    ssat32_to_16(r);
+    if (spu.spuCtrl & CTRL_CD)
+    {
+     SSumLR[ns+0] += l;
+     SSumLR[ns+1] += r;
+    }
+    if (unlikely(spu.spuCtrl & CTRL_CDREVERB))
+    {
+     RVB[ns+0] += l;
+     RVB[ns+1] += r;
+    }
 
-    spu.spuMem[cursor] = v;
-    spu.spuMem[cursor + 0x400/2] = v >> 16;
+    spu.spuMem[cursor] = HTOLE16(v);
+    spu.spuMem[cursor + 0x400/2] = HTOLE16(v >> 16);
     cursor = (cursor + 1) & 0x1ff;
    }
   spu.XALastVal = v;
@@ -70,24 +125,43 @@ INLINE void MixXA(int *SSumLR, int ns_to, int decode_pos)
  // hence this 'ns_to < 8'
  else if(spu.CDDAPlay != spu.CDDAFeed || ns_to < 8)
  {
-  for(ns = 0; ns < ns_to*2; )
+  for(ns = 0; ns < ns_to*2; ns += 2)
    {
     if(spu.CDDAPlay != spu.CDDAFeed) v=*spu.CDDAPlay++;
     if(spu.CDDAPlay == spu.CDDAEnd) spu.CDDAPlay=spu.CDDAStart;
 
-    l = ((int)(short)v * spu.iLeftXAVol) >> 15;
-    r = ((int)(short)(v >> 16) * spu.iLeftXAVol) >> 15;
-    SSumLR[ns++] += l;
-    SSumLR[ns++] += r;
+    l1 = (short)v, r1 = (short)(v >> 16);
+    l = (l1 * vll + r1 * vrl) >> 15;
+    r = (r1 * vrr + l1 * vlr) >> 15;
+    ssat32_to_16(l);
+    ssat32_to_16(r);
+    if (spu.spuCtrl & CTRL_CD)
+    {
+     SSumLR[ns+0] += l;
+     SSumLR[ns+1] += r;
+    }
+    if (unlikely(spu.spuCtrl & CTRL_CDREVERB))
+    {
+     RVB[ns+0] += l;
+     RVB[ns+1] += r;
+    }
 
-    spu.spuMem[cursor] = v;
-    spu.spuMem[cursor + 0x400/2] = v >> 16;
+    spu.spuMem[cursor] = HTOLE16(v);
+    spu.spuMem[cursor + 0x400/2] = HTOLE16(v >> 16);
     cursor = (cursor + 1) & 0x1ff;
    }
   spu.XALastVal = v;
  }
- else
+ else if (spu.cdClearSamples > 0)
+ {
+  for(ns = 0; ns < ns_to; ns++)
+   {
+    spu.spuMem[cursor] = spu.spuMem[cursor + 0x400/2] = 0;
+    cursor = (cursor + 1) & 0x1ff;
+   }
+  spu.cdClearSamples -= ns_to;
   spu.XALastVal = 0;
+ }
 }
 
 ////////////////////////////////////////////////////////////////////////
@@ -113,13 +187,12 @@ static unsigned long timeGetTime_spu()
 // FEED XA 
 ////////////////////////////////////////////////////////////////////////
 
-INLINE void FeedXA(xa_decode_t *xap)
+void FeedXA(const xa_decode_t *xap)
 {
  int sinc,spos,i,iSize,iPlace,vl,vr;
 
  if(!spu.bSPUIsOpen) return;
 
- spu.xapGlobal = xap;                                  // store info for save states
  spu.XARepeat  = 3;                                    // set up repeat
 
 #if 0//def XA_HACK
@@ -393,12 +466,14 @@ INLINE void FeedXA(xa_decode_t *xap)
 // FEED CDDA
 ////////////////////////////////////////////////////////////////////////
 
-INLINE int FeedCDDA(unsigned char *pcm, int nBytes)
+void FeedCDDA(unsigned char *pcm, int nBytes)
 {
  int space;
  space=(spu.CDDAPlay-spu.CDDAFeed-1)*4 & (CDDA_BUFFER_SIZE - 1);
- if(space<nBytes)
-  return 0x7761; // rearmed_wait
+ if (space < nBytes) {
+  log_unhandled("FeedCDDA: %d/%d\n", nBytes, space);
+  return;
+ }
 
  while(nBytes>0)
   {
@@ -414,8 +489,7 @@ INLINE int FeedCDDA(unsigned char *pcm, int nBytes)
    nBytes-=space;
    pcm+=space;
   }
-
- return 0x676f; // rearmed_go
 }
 
 #endif
+// vim:shiftwidth=1:expandtab