Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 231 insertions, 0 deletions

diff --git a/mpeglib/lib/splay/synth_Down.cpp b/mpeglib/lib/splay/synth_Down.cpp
new file mode 100644
index 00000000..fbe3887b
--- /dev/null
+++ b/mpeglib/lib/splay/synth_Down.cpp
@@ -0,0 +1,231 @@
+/*
+  downsample implementation
+  Copyright (C) 2001  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#include "synthesis.h"
+#include "dct64_down.cpp"
+
+#include <iostream>
+
+using namespace std;
+
+
+void Synthesis::computebuffer_Down(REAL *fraction,
+				   REAL buffer[2][CALCBUFFERSIZE]){
+  REAL *out1,*out2;
+
+  out1=buffer[currentcalcbuffer]+calcbufferoffset;
+  out2=buffer[currentcalcbuffer^1]+calcbufferoffset;
+  dct64_downsample(out1,out2,fraction);
+}
+
+
+
+#define SAVE putraw(r); \
+        dp+=16;vp+=15+(15-14)
+#define OS   r=*vp * *dp++
+#define XX   vp+=15;r+=*vp * *dp++
+#define OP   r+=*--vp * *dp++
+
+inline void Synthesis::generatesingle_Down(void)
+{
+  int i;
+  register REAL r, *vp;
+  register const REAL *dp;
+
+  i=32/2;
+  dp=filter;
+  vp=calcbuffer[LS][currentcalcbuffer]+calcbufferoffset; 
+// actual_v+actual_write_pos;
+
+  switch (calcbufferoffset)
+  {
+    case  0:for(;i;i--,vp+=15){
+              OS;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  1:for(;i;i--,vp+=15){
+	      OS;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  2:for(;i;i--,vp+=15){
+              OS;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  3:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  4:for(;i;i--,vp+=15){
+              OS;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  5:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  6:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  7:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  8:for(;i;i--,vp+=15){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  9:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case 10:for(;i;i--,vp+=15){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;
+	      SAVE;}break;
+    case 11:for(;i;i--,vp+=15){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;
+	      SAVE;}break;
+    case 12:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;
+	      SAVE;}break;
+    case 13:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;
+	      SAVE;}break;
+    case 14:for(;i;i--,vp+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;
+	      SAVE;}break;
+    case 15:for(;i;i--,vp+=31){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+  }
+}
+
+#undef OS
+#undef XX
+#undef OP
+#undef SAVE
+
+#define SAVE \
+	putraw(r1); \
+	putraw(r2); \
+        dp+=16;vp1+=15+(15-14);vp2+=15+(15-14)
+#define OS r1=*vp1 * *dp; \
+           r2=*vp2 * *dp++ 
+#define XX vp1+=15;r1+=*vp1 * *dp; \
+	   vp2+=15;r2+=*vp2 * *dp++
+#define OP r1+=*--vp1 * *dp; \
+	   r2+=*--vp2 * *dp++
+
+
+inline void Synthesis::generate_Down(void)
+{
+  int i;
+  REAL r1,r2;
+  register REAL *vp1,*vp2;
+  register const REAL *dp;
+
+  dp=filter;
+  vp1=calcbuffer[LS][currentcalcbuffer]+calcbufferoffset;
+  vp2=calcbuffer[RS][currentcalcbuffer]+calcbufferoffset;
+// actual_v+actual_write_pos;
+
+  i=32/2;
+  switch (calcbufferoffset)
+  {
+    case  0:for(;i;i--,vp1+=15,vp2+=15){
+              OS;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  1:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  2:for(;i;i--,vp1+=15,vp2+=15){
+              OS;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  3:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  4:for(;i;i--,vp1+=15,vp2+=15){
+              OS;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  5:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  6:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  7:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  8:for(;i;i--,vp1+=15,vp2+=15){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case  9:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+    case 10:for(;i;i--,vp1+=15,vp2+=15){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;OP;
+	      SAVE;}break;
+    case 11:for(;i;i--,vp1+=15,vp2+=15){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;OP;
+	      SAVE;}break;
+    case 12:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;OP;
+	      SAVE;}break;
+    case 13:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;OP;
+	      SAVE;}break;
+    case 14:for(;i;i--,vp1+=15,vp2+=15){
+	      OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;XX;
+	      SAVE;}break;
+    case 15:for(;i;i--,vp1+=31,vp2+=31){
+              OS;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;OP;
+	      SAVE;}break;
+  }
+}
+
+
+
+void Synthesis::synth_Down(int lOutputStereo,REAL *fractionL,REAL *fractionR) {
+  switch(lOutputStereo) {
+  case true:
+    computebuffer_Down(fractionL,calcbuffer[LS]);
+    computebuffer_Down(fractionR,calcbuffer[RS]);
+    generate_Down();
+    nextOffset();
+    break;
+  case false:
+    computebuffer_Down(fractionL,calcbuffer[LS]);
+    generatesingle_Down();
+    nextOffset();
+    break;
+  default:
+    cout << "unknown lOutputStereo in Synthesis::synth_Std"<<endl;
+    exit(0);
+  }
+}
+
+
+void Synthesis::synthMP3_Down(int lOutputStereo,
+			      REAL hout [2][SSLIMIT][SBLIMIT]) {
+  int ss;
+  switch(lOutputStereo) {
+  case true:
+    for(ss=0;ss<SSLIMIT;ss++) {
+      computebuffer_Down(hout[LS][ss],calcbuffer[LS]);
+      computebuffer_Down(hout[RS][ss],calcbuffer[RS]);
+      generate_Down();
+      nextOffset();
+    }
+    break;
+  case false:
+    for(ss=0;ss<SSLIMIT;ss++) {
+      computebuffer_Down(hout[LS][ss],calcbuffer[LS]);
+      generatesingle_Down();
+      nextOffset();
+    }
+    break;
+  default:
+    cout << "unknown lOutputStereo in Synthesis::synth_Std"<<endl;
+    exit(0);
+  }
+}