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-rwxr-xr-x[-rw-r--r--]plugins/dfsound/xa.c952
1 files changed, 476 insertions, 476 deletions
diff --git a/plugins/dfsound/xa.c b/plugins/dfsound/xa.c
index 6c1f3608..21664fd0 100644..100755
--- a/plugins/dfsound/xa.c
+++ b/plugins/dfsound/xa.c
@@ -1,476 +1,476 @@
-/***************************************************************************
- xa.c - description
- -------------------
- begin : Wed May 15 2002
- copyright : (C) 2002 by Pete Bernert
- email : BlackDove@addcom.de
- ***************************************************************************/
-/***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. See also the license.txt file for *
- * additional informations. *
- * *
- ***************************************************************************/
-
-#include "stdafx.h"
-
-#define _IN_XA
-#include <stdint.h>
-
-// will be included from spu.c
-#ifdef _IN_SPU
-
-////////////////////////////////////////////////////////////////////////
-// 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 = 0x8000;
-int iRightXAVol = 0x8000;
-
-static int UNUSED_VARIABLE gauss_ptr = 0;
-static int UNUSED_VARIABLE gauss_window[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-
-#define gvall0 gauss_window[gauss_ptr]
-#define gvall(x) gauss_window[(gauss_ptr+x)&3]
-#define gvalr0 gauss_window[4+gauss_ptr]
-#define gvalr(x) gauss_window[4+((gauss_ptr+x)&3)]
-
-long cdxa_dbuf_ptr;
-
-////////////////////////////////////////////////////////////////////////
-// MIX XA & CDDA
-////////////////////////////////////////////////////////////////////////
-
-static int lastxa_lc, lastxa_rc;
-static int lastcd_lc, lastcd_rc;
-
-static INLINE void MixXA(void)
-{
- int ns;
- int lc,rc;
- unsigned long cdda_l;
- int decoded_xa;
- int decoded_cdda;
-
- decoded_xa = decoded_ptr;
-
- lc = 0;
- rc = 0;
-
- for(ns=0;ns<NSSIZE && XAPlay!=XAFeed;ns++)
- {
- XALastVal=*XAPlay++;
- if(XAPlay==XAEnd) XAPlay=XAStart;
-
- lc = (short)(XALastVal&0xffff);
- rc = (short)((XALastVal>>16) & 0xffff);
-
-
- // improve crackle - buffer under
- // - not update fast enough
- lastxa_lc = lc;
- lastxa_rc = rc;
-
-
- // Tales of Phantasia - voice meter
- spuMem[ (decoded_xa + 0x000)/2 ] = (short) lc;
- spuMem[ (decoded_xa + 0x400)/2 ] = (short) rc;
-
- decoded_xa += 2;
- if( decoded_xa >= 0x400 )
- decoded_xa = 0;
-
-
- lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
- rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
-
-
- // reverb write flag
- if( spuCtrl & CTRL_CD_REVERB ) {
- StoreREVERB_CD( lc, rc, ns );
- }
-
-
- // play flag
- if( spuCtrl & CTRL_CD_PLAY ) {
- SSumL[ns]+=lc;
- SSumR[ns]+=rc;
- }
- }
-
- if(XAPlay==XAFeed && XARepeat)
- {
- //XARepeat--;
- for(;ns<NSSIZE;ns++)
- {
- // improve crackle - buffer under
- // - not update fast enough
- lc = lastxa_lc;
- rc = lastxa_rc;
-
-
- // Tales of Phantasia - voice meter
- spuMem[ (decoded_xa + 0x000)/2 ] = (short) lc;
- spuMem[ (decoded_xa + 0x400)/2 ] = (short) rc;
-
- decoded_xa += 2;
- if( decoded_xa >= 0x400 )
- decoded_xa = 0;
-
-
- lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
- rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
-
-
- // reverb write flags
- if( spuCtrl & CTRL_CD_REVERB ) {
- StoreREVERB_CD( lc, rc, ns );
- }
-
-
- // play flag
- if( spuCtrl & CTRL_CD_PLAY ) {
- SSumL[ns]+=lc;
- SSumR[ns]+=rc;
- }
- }
- }
-
-
-
- decoded_cdda = decoded_ptr;
-
- for(ns=0;ns<NSSIZE && CDDAPlay!=CDDAFeed && (CDDAPlay!=CDDAEnd-1||CDDAFeed!=CDDAStart);ns++)
- {
- cdda_l=*CDDAPlay++;
- if(CDDAPlay==CDDAEnd) CDDAPlay=CDDAStart;
-
- lc = (short)(cdda_l&0xffff);
- rc = (short)((cdda_l>>16) & 0xffff);
-
-
- // improve crackle - buffer under
- // - not update fast enough
- lastcd_lc = lc;
- lastcd_rc = rc;
-
-
- // Vib Ribbon - playback
- spuMem[ (decoded_cdda + 0x000)/2 ] = (short) lc;
- spuMem[ (decoded_cdda + 0x400)/2 ] = (short) rc;
-
- decoded_cdda += 2;
- if( decoded_cdda >= 0x400 )
- decoded_cdda = 0;
-
-
- // Rayman - stage end fadeout
- lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
- rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
-
-
- // reverb write flag
- if( spuCtrl & CTRL_CD_REVERB ) {
- StoreREVERB_CD( lc, rc, ns );
- }
-
-
- // play flag
- if( spuCtrl & CTRL_CD_PLAY ) {
- SSumL[ns]+=lc;
- SSumR[ns]+=rc;
- }
- }
-
-
- if(CDDAPlay==CDDAFeed && XARepeat)
- {
- //XARepeat--;
- for(;ns<NSSIZE;ns++)
- {
- // improve crackle - buffer under
- // - not update fast enough
- lc = lastcd_lc;
- rc = lastcd_rc;
-
-
- // Vib Ribbon - playback
- spuMem[ (decoded_cdda + 0x000)/2 ] = (short) lc;
- spuMem[ (decoded_cdda + 0x400)/2 ] = (short) rc;
-
- decoded_cdda += 2;
- if( decoded_cdda >= 0x400 )
- decoded_cdda = 0;
-
-
- // Rayman - stage end fadeout
- lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
- rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
-
-
- // reverb write flag
- if( spuCtrl & CTRL_CD_REVERB ) {
- StoreREVERB_CD( lc, rc, ns );
- }
-
-
- // play flag
- if( spuCtrl & CTRL_CD_PLAY ) {
- SSumL[ns]+=lc;
- SSumR[ns]+=rc;
- }
- }
- }
-}
-
-////////////////////////////////////////////////////////////////////////
-// small linux time helper... only used for watchdog
-////////////////////////////////////////////////////////////////////////
-
-#ifndef _WINDOWS
-
-unsigned long timeGetTime_spu()
-{
- struct timeval tv;
- gettimeofday(&tv, 0); // well, maybe there are better ways
- return tv.tv_sec * 1000 + tv.tv_usec/1000; // to do that, but at least it works
-}
-
-#endif
-
-////////////////////////////////////////////////////////////////////////
-// FEED XA
-////////////////////////////////////////////////////////////////////////
-
-static INLINE void FeedXA(xa_decode_t *xap)
-{
- int sinc,spos,i,iSize,iPlace;
-
- if(!bSPUIsOpen) return;
-
- xapGlobal = xap; // store info for save states
- XARepeat = 100; // set up repeat
-
-#ifdef XA_HACK
- iSize=((45500*xap->nsamples)/xap->freq); // get size
-#else
- iSize=((44100*xap->nsamples)/xap->freq); // get size
-#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(iPlace==0) return; // no place at all
-
- //----------------------------------------------------//
- if(iXAPitch) // pitch change option?
- {
- static DWORD dwLT=0;
- static DWORD dwFPS=0;
- static int iFPSCnt=0;
- static int iLastSize=0;
- static DWORD dwL1=0;
- DWORD dw=timeGetTime_spu(),dw1,dw2;
-
- iPlace=iSize;
-
- dwFPS+=dw-dwLT;iFPSCnt++;
-
- dwLT=dw;
-
- if(iFPSCnt>=10)
- {
- if(!dwFPS) dwFPS=1;
- dw1=1000000/dwFPS;
- if(dw1>=(dwL1-100) && dw1<=(dwL1+100)) dw1=dwL1;
- else dwL1=dw1;
- dw2=(xap->freq*100/xap->nsamples);
- if((!dw1)||((dw2+100)>=dw1)) iLastSize=0;
- else
- {
- iLastSize=iSize*dw2/dw1;
- if(iLastSize>iPlace) iLastSize=iPlace;
- iSize=iLastSize;
- }
- iFPSCnt=0;dwFPS=0;
- }
- else
- {
- if(iLastSize) iSize=iLastSize;
- }
- }
- //----------------------------------------------------//
-
- spos=0x10000L;
- sinc = (xap->nsamples << 16) / iSize; // calc freq by num / size
-
- if(xap->stereo)
-{
- uint32_t * pS=(uint32_t *)xap->pcm;
- uint32_t l=0;
-
- if(iXAPitch)
- {
- int32_t l1,l2;short s;
- for(i=0;i<iSize;i++)
- {
- while(spos>=0x10000L)
- {
- l = *pS++;
- spos -= 0x10000L;
- }
-
- s=(short)LOWORD(l);
- l1=s;
- l1=(l1*iPlace)/iSize;
- if(l1<-32767) l1=-32767;
- if(l1> 32767) l1=32767;
- s=(short)HIWORD(l);
- l2=s;
- l2=(l2*iPlace)/iSize;
- if(l2<-32767) l2=-32767;
- if(l2> 32767) l2=32767;
- l=(l1&0xffff)|(l2<<16);
-
- *XAFeed++=l;
-
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
- {
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
- break;
- }
-
- spos += sinc;
- }
- }
- else
- {
- for(i=0;i<iSize;i++)
- {
- while(spos>=0x10000L)
- {
- l = *pS++;
- spos -= 0x10000L;
- }
-
- *XAFeed++=l;
-
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
- {
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
- break;
- }
-
- spos += sinc;
- }
- }
- }
- else
- {
- unsigned short * pS=(unsigned short *)xap->pcm;
- uint32_t l;short s=0;
-
- if(iXAPitch)
- {
- int32_t l1;
- for(i=0;i<iSize;i++)
- {
- while(spos>=0x10000L)
- {
- s = *pS++;
- spos -= 0x10000L;
- }
- l1=s;
-
- l1=(l1*iPlace)/iSize;
- if(l1<-32767) l1=-32767;
- if(l1> 32767) l1=32767;
- l=(l1&0xffff)|(l1<<16);
- *XAFeed++=l;
-
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
- {
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
- break;
- }
-
- spos += sinc;
- }
- }
- else
- {
- for(i=0;i<iSize;i++)
- {
- while(spos>=0x10000L)
- {
- s = *pS++;
- spos -= 0x10000L;
- }
- l=s;
-
- *XAFeed++=((l&0xffff)|(l<<16));
-
- if(XAFeed==XAEnd) XAFeed=XAStart;
- if(XAFeed==XAPlay)
- {
- if(XAPlay!=XAStart) XAFeed=XAPlay-1;
- break;
- }
-
- spos += sinc;
- }
- }
- }
-}
-
-////////////////////////////////////////////////////////////////////////
-// FEED CDDA
-////////////////////////////////////////////////////////////////////////
-
-unsigned int cdda_ptr;
-
-static INLINE void FeedCDDA(unsigned char *pcm, int nBytes)
-{
- while(nBytes>0)
- {
- if(CDDAFeed==CDDAEnd) CDDAFeed=CDDAStart;
- while(CDDAFeed==CDDAPlay-1||
- (CDDAFeed==CDDAEnd-1&&CDDAPlay==CDDAStart))
- {
-#ifdef _WINDOWS
- if (!iUseTimer) Sleep(1);
- else return;
-#else
- if (!iUseTimer) usleep(1000);
- else return;
-#endif
- }
- *CDDAFeed++=(*pcm | (*(pcm+1)<<8) | (*(pcm+2)<<16) | (*(pcm+3)<<24));
- nBytes-=4;
- pcm+=4;
- }
-}
-
-#endif
+/***************************************************************************
+ xa.c - description
+ -------------------
+ begin : Wed May 15 2002
+ copyright : (C) 2002 by Pete Bernert
+ email : BlackDove@addcom.de
+ ***************************************************************************/
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. See also the license.txt file for *
+ * additional informations. *
+ * *
+ ***************************************************************************/
+
+#include "stdafx.h"
+
+#define _IN_XA
+#include <stdint.h>
+
+// will be included from spu.c
+#ifdef _IN_SPU
+
+////////////////////////////////////////////////////////////////////////
+// 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 = 0x8000;
+int iRightXAVol = 0x8000;
+
+static int UNUSED_VARIABLE gauss_ptr = 0;
+static int UNUSED_VARIABLE gauss_window[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+
+#define gvall0 gauss_window[gauss_ptr]
+#define gvall(x) gauss_window[(gauss_ptr+x)&3]
+#define gvalr0 gauss_window[4+gauss_ptr]
+#define gvalr(x) gauss_window[4+((gauss_ptr+x)&3)]
+
+long cdxa_dbuf_ptr;
+
+////////////////////////////////////////////////////////////////////////
+// MIX XA & CDDA
+////////////////////////////////////////////////////////////////////////
+
+static int lastxa_lc, lastxa_rc;
+static int lastcd_lc, lastcd_rc;
+
+static INLINE void MixXA(void)
+{
+ int ns;
+ int lc,rc;
+ unsigned long cdda_l;
+ int decoded_xa;
+ int decoded_cdda;
+
+ decoded_xa = decoded_ptr;
+
+ lc = 0;
+ rc = 0;
+
+ for(ns=0;ns<NSSIZE && XAPlay!=XAFeed;ns++)
+ {
+ XALastVal=*XAPlay++;
+ if(XAPlay==XAEnd) XAPlay=XAStart;
+
+ lc = (short)(XALastVal&0xffff);
+ rc = (short)((XALastVal>>16) & 0xffff);
+
+
+ // improve crackle - buffer under
+ // - not update fast enough
+ lastxa_lc = lc;
+ lastxa_rc = rc;
+
+
+ // Tales of Phantasia - voice meter
+ spuMem[ (decoded_xa + 0x000)/2 ] = (short) lc;
+ spuMem[ (decoded_xa + 0x400)/2 ] = (short) rc;
+
+ decoded_xa += 2;
+ if( decoded_xa >= 0x400 )
+ decoded_xa = 0;
+
+
+ lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
+ rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
+
+
+ // reverb write flag
+ if( spuCtrl & CTRL_CD_REVERB ) {
+ StoreREVERB_CD( lc, rc, ns );
+ }
+
+
+ // play flag
+ if( spuCtrl & CTRL_CD_PLAY ) {
+ SSumL[ns]+=lc;
+ SSumR[ns]+=rc;
+ }
+ }
+
+ if(XAPlay==XAFeed && XARepeat)
+ {
+ //XARepeat--;
+ for(;ns<NSSIZE;ns++)
+ {
+ // improve crackle - buffer under
+ // - not update fast enough
+ lc = lastxa_lc;
+ rc = lastxa_rc;
+
+
+ // Tales of Phantasia - voice meter
+ spuMem[ (decoded_xa + 0x000)/2 ] = (short) lc;
+ spuMem[ (decoded_xa + 0x400)/2 ] = (short) rc;
+
+ decoded_xa += 2;
+ if( decoded_xa >= 0x400 )
+ decoded_xa = 0;
+
+
+ lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
+ rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
+
+
+ // reverb write flags
+ if( spuCtrl & CTRL_CD_REVERB ) {
+ StoreREVERB_CD( lc, rc, ns );
+ }
+
+
+ // play flag
+ if( spuCtrl & CTRL_CD_PLAY ) {
+ SSumL[ns]+=lc;
+ SSumR[ns]+=rc;
+ }
+ }
+ }
+
+
+
+ decoded_cdda = decoded_ptr;
+
+ for(ns=0;ns<NSSIZE && CDDAPlay!=CDDAFeed && (CDDAPlay!=CDDAEnd-1||CDDAFeed!=CDDAStart);ns++)
+ {
+ cdda_l=*CDDAPlay++;
+ if(CDDAPlay==CDDAEnd) CDDAPlay=CDDAStart;
+
+ lc = (short)(cdda_l&0xffff);
+ rc = (short)((cdda_l>>16) & 0xffff);
+
+
+ // improve crackle - buffer under
+ // - not update fast enough
+ lastcd_lc = lc;
+ lastcd_rc = rc;
+
+
+ // Vib Ribbon - playback
+ spuMem[ (decoded_cdda + 0x000)/2 ] = (short) lc;
+ spuMem[ (decoded_cdda + 0x400)/2 ] = (short) rc;
+
+ decoded_cdda += 2;
+ if( decoded_cdda >= 0x400 )
+ decoded_cdda = 0;
+
+
+ // Rayman - stage end fadeout
+ lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
+ rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
+
+
+ // reverb write flag
+ if( spuCtrl & CTRL_CD_REVERB ) {
+ StoreREVERB_CD( lc, rc, ns );
+ }
+
+
+ // play flag
+ if( spuCtrl & CTRL_CD_PLAY ) {
+ SSumL[ns]+=lc;
+ SSumR[ns]+=rc;
+ }
+ }
+
+
+ if(CDDAPlay==CDDAFeed && XARepeat)
+ {
+ //XARepeat--;
+ for(;ns<NSSIZE;ns++)
+ {
+ // improve crackle - buffer under
+ // - not update fast enough
+ lc = lastcd_lc;
+ rc = lastcd_rc;
+
+
+ // Vib Ribbon - playback
+ spuMem[ (decoded_cdda + 0x000)/2 ] = (short) lc;
+ spuMem[ (decoded_cdda + 0x400)/2 ] = (short) rc;
+
+ decoded_cdda += 2;
+ if( decoded_cdda >= 0x400 )
+ decoded_cdda = 0;
+
+
+ // Rayman - stage end fadeout
+ lc = CLAMP16( (lc * iLeftXAVol) / 0x8000 );
+ rc = CLAMP16( (rc * iRightXAVol) / 0x8000 );
+
+
+ // reverb write flag
+ if( spuCtrl & CTRL_CD_REVERB ) {
+ StoreREVERB_CD( lc, rc, ns );
+ }
+
+
+ // play flag
+ if( spuCtrl & CTRL_CD_PLAY ) {
+ SSumL[ns]+=lc;
+ SSumR[ns]+=rc;
+ }
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// small linux time helper... only used for watchdog
+////////////////////////////////////////////////////////////////////////
+
+#ifndef _WINDOWS
+
+unsigned long timeGetTime_spu()
+{
+ struct timeval tv;
+ gettimeofday(&tv, 0); // well, maybe there are better ways
+ return tv.tv_sec * 1000 + tv.tv_usec/1000; // to do that, but at least it works
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////
+// FEED XA
+////////////////////////////////////////////////////////////////////////
+
+static INLINE void FeedXA(xa_decode_t *xap)
+{
+ int sinc,spos,i,iSize,iPlace;
+
+ if(!bSPUIsOpen) return;
+
+ xapGlobal = xap; // store info for save states
+ XARepeat = 100; // set up repeat
+
+#ifdef XA_HACK
+ iSize=((45500*xap->nsamples)/xap->freq); // get size
+#else
+ iSize=((44100*xap->nsamples)/xap->freq); // get size
+#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(iPlace==0) return; // no place at all
+
+ //----------------------------------------------------//
+ if(iXAPitch) // pitch change option?
+ {
+ static DWORD dwLT=0;
+ static DWORD dwFPS=0;
+ static int iFPSCnt=0;
+ static int iLastSize=0;
+ static DWORD dwL1=0;
+ DWORD dw=timeGetTime_spu(),dw1,dw2;
+
+ iPlace=iSize;
+
+ dwFPS+=dw-dwLT;iFPSCnt++;
+
+ dwLT=dw;
+
+ if(iFPSCnt>=10)
+ {
+ if(!dwFPS) dwFPS=1;
+ dw1=1000000/dwFPS;
+ if(dw1>=(dwL1-100) && dw1<=(dwL1+100)) dw1=dwL1;
+ else dwL1=dw1;
+ dw2=(xap->freq*100/xap->nsamples);
+ if((!dw1)||((dw2+100)>=dw1)) iLastSize=0;
+ else
+ {
+ iLastSize=iSize*dw2/dw1;
+ if(iLastSize>iPlace) iLastSize=iPlace;
+ iSize=iLastSize;
+ }
+ iFPSCnt=0;dwFPS=0;
+ }
+ else
+ {
+ if(iLastSize) iSize=iLastSize;
+ }
+ }
+ //----------------------------------------------------//
+
+ spos=0x10000L;
+ sinc = (xap->nsamples << 16) / iSize; // calc freq by num / size
+
+ if(xap->stereo)
+{
+ uint32_t * pS=(uint32_t *)xap->pcm;
+ uint32_t l=0;
+
+ if(iXAPitch)
+ {
+ int32_t l1,l2;short s;
+ for(i=0;i<iSize;i++)
+ {
+ while(spos>=0x10000L)
+ {
+ l = *pS++;
+ spos -= 0x10000L;
+ }
+
+ s=(short)LOWORD(l);
+ l1=s;
+ l1=(l1*iPlace)/iSize;
+ if(l1<-32767) l1=-32767;
+ if(l1> 32767) l1=32767;
+ s=(short)HIWORD(l);
+ l2=s;
+ l2=(l2*iPlace)/iSize;
+ if(l2<-32767) l2=-32767;
+ if(l2> 32767) l2=32767;
+ l=(l1&0xffff)|(l2<<16);
+
+ *XAFeed++=l;
+
+ if(XAFeed==XAEnd) XAFeed=XAStart;
+ if(XAFeed==XAPlay)
+ {
+ if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ break;
+ }
+
+ spos += sinc;
+ }
+ }
+ else
+ {
+ for(i=0;i<iSize;i++)
+ {
+ while(spos>=0x10000L)
+ {
+ l = *pS++;
+ spos -= 0x10000L;
+ }
+
+ *XAFeed++=l;
+
+ if(XAFeed==XAEnd) XAFeed=XAStart;
+ if(XAFeed==XAPlay)
+ {
+ if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ break;
+ }
+
+ spos += sinc;
+ }
+ }
+ }
+ else
+ {
+ unsigned short * pS=(unsigned short *)xap->pcm;
+ uint32_t l;short s=0;
+
+ if(iXAPitch)
+ {
+ int32_t l1;
+ for(i=0;i<iSize;i++)
+ {
+ while(spos>=0x10000L)
+ {
+ s = *pS++;
+ spos -= 0x10000L;
+ }
+ l1=s;
+
+ l1=(l1*iPlace)/iSize;
+ if(l1<-32767) l1=-32767;
+ if(l1> 32767) l1=32767;
+ l=(l1&0xffff)|(l1<<16);
+ *XAFeed++=l;
+
+ if(XAFeed==XAEnd) XAFeed=XAStart;
+ if(XAFeed==XAPlay)
+ {
+ if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ break;
+ }
+
+ spos += sinc;
+ }
+ }
+ else
+ {
+ for(i=0;i<iSize;i++)
+ {
+ while(spos>=0x10000L)
+ {
+ s = *pS++;
+ spos -= 0x10000L;
+ }
+ l=s;
+
+ *XAFeed++=((l&0xffff)|(l<<16));
+
+ if(XAFeed==XAEnd) XAFeed=XAStart;
+ if(XAFeed==XAPlay)
+ {
+ if(XAPlay!=XAStart) XAFeed=XAPlay-1;
+ break;
+ }
+
+ spos += sinc;
+ }
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// FEED CDDA
+////////////////////////////////////////////////////////////////////////
+
+unsigned int cdda_ptr;
+
+static INLINE void FeedCDDA(unsigned char *pcm, int nBytes)
+{
+ while(nBytes>0)
+ {
+ if(CDDAFeed==CDDAEnd) CDDAFeed=CDDAStart;
+ while(CDDAFeed==CDDAPlay-1||
+ (CDDAFeed==CDDAEnd-1&&CDDAPlay==CDDAStart))
+ {
+#ifdef _WINDOWS
+ if (!iUseTimer) Sleep(1);
+ else return;
+#else
+ if (!iUseTimer) usleep(1000);
+ else return;
+#endif
+ }
+ *CDDAFeed++=(*pcm | (*(pcm+1)<<8) | (*(pcm+2)<<16) | (*(pcm+3)<<24));
+ nBytes-=4;
+ pcm+=4;
+ }
+}
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-21 02:08:08 +0000