have linear-type-safe source codes of mp3decoder

diff --git a/Robust/src/Analysis/SSJava/LinearTypeCheck.java b/Robust/src/Analysis/SSJava/LinearTypeCheck.java
index f6d8d35a60d75d57924d0e59cb264a3e40f199af..aa500018e83fb30032c93370d3e1afadf963880d 100644 (file)
--- a/Robust/src/Analysis/SSJava/LinearTypeCheck.java
+++ b/Robust/src/Analysis/SSJava/LinearTypeCheck.java
@@ -55,7 +55,7 @@ public class LinearTypeCheck {
   State state;
   SSJavaAnalysis ssjava;
   String needToNullify = null;
-  AssignmentNode prevAssignNode;
+  ExpressionNode prevAssignNode;
 
   Set<TreeNode> linearTypeCheckSet;
 
@@ -117,7 +117,9 @@ public class LinearTypeCheck {
 
         for (int mdIdx = 0; mdIdx < toanalyzeMethodList.size(); mdIdx++) {
           MethodDescriptor md = toanalyzeMethodList.get(mdIdx);
-          checkMethodBody(cd, md);
+          if (ssjava.needToCheckLinearType(md)) {
+            checkMethodBody(cd, md);
+          }
         }
 
       }
@@ -364,9 +366,10 @@ public class LinearTypeCheck {
     }
   }
 
-  private void checkTertiaryNode(MethodDescriptor md, SymbolTable nametable, TertiaryNode en) {
-    // TODO Auto-generated method stub
-
+  private void checkTertiaryNode(MethodDescriptor md, SymbolTable nametable, TertiaryNode tn) {
+    checkExpressionNode(md, nametable, tn.getCond());
+    checkExpressionNode(md, nametable, tn.getTrueExpr());
+    checkExpressionNode(md, nametable, tn.getFalseExpr());
   }
 
   private void checkOffsetNode(MethodDescriptor md, SymbolTable nametable, OffsetNode en) {
@@ -423,7 +426,7 @@ public class LinearTypeCheck {
 
       TypeDescriptor paramType = calleeMethodDesc.getParamType(i);
 
-      if (isReference(argNode.getType())) {
+      if (isReference(argNode.getType()) && !argNode.getType().isNull()) {
 
         boolean isParamOwnedByCallee = false;
         if (paramType.getExtension() != null) {
@@ -579,11 +582,20 @@ public class LinearTypeCheck {
           }
           prevAssignNode = an;
         } else if (an.getSrc().kind() == Kind.ArrayAccessNode) {
-          if (an.getSrc().getType().isPtr()) {
+          TypeDescriptor srcType = an.getSrc().getType();
+          if (srcType.isPtr() && !srcType.isString()) {
             throw new Error(
                 "Not allowed to create an alias to the middle of the multidimensional array at "
                     + md.getClassDesc().getSourceFileName() + "::" + an.getNumLine());
           }
+        } else if (an.getSrc().kind() == Kind.CreateObjectNode
+            || an.getSrc().kind() == Kind.MethodInvokeNode
+            || an.getSrc().kind() == Kind.ArrayInitializerNode
+            || an.getSrc().kind() == Kind.LiteralNode) {
+
+        } else {
+          throw new Error("Not allowed this type of assignment at "
+              + md.getClassDesc().getSourceFileName() + "::" + an.getNumLine());
         }
 
         if (isCreatingAlias(an.getSrc())) {
@@ -594,12 +606,17 @@ public class LinearTypeCheck {
           if (srcType.getExtension() != null) {
             SSJavaType srcLocationType = (SSJavaType) srcType.getExtension();
             isSourceOwned = srcLocationType.isOwned();
+          } else if (md.isConstructor()
+              && isFieldOfClass(md.getClassDesc(), an.getSrc().printNode(0))) {
+            isSourceOwned = true;
           }
 
-          if (!isField(an.getDest()) && isSourceOwned) {
-            // here, transfer ownership from LHS to RHS when it creates alias
-            TypeDescriptor destType = getTypeDescriptor(an.getDest());
-            destType.setExtension(new SSJavaType(isSourceOwned));
+          if (!isField(an.getDest())) {
+            if (isSourceOwned) {
+              // here, transfer ownership from LHS to RHS when it creates alias
+              TypeDescriptor destType = getTypeDescriptor(an.getDest());
+              destType.setExtension(new SSJavaType(isSourceOwned));
+            }
           } else {
             // if instance is not owned by the method, not able to store
             // instance into field
@@ -618,6 +635,86 @@ public class LinearTypeCheck {
 
   }
 
+  private void checkSource(MethodDescriptor md, ExpressionNode src, ExpressionNode dst) {
+
+    if (src.kind() == Kind.NameNode) {
+
+      NameNode nn = (NameNode) src;
+
+      if (nn.getField() != null) {
+        needToNullify = nn.getField().getSymbol();
+        prevAssignNode = src;
+      } else if (nn.getExpression() != null) {
+        if (nn.getExpression() instanceof FieldAccessNode) {
+          FieldAccessNode fan = (FieldAccessNode) nn.getExpression();
+          needToNullify = fan.printNode(0);
+          prevAssignNode = src;
+
+        }
+
+      } else {
+        // local variable case
+        linearTypeCheckSet.add(src);
+        mapTreeNode2FlatMethod.put(src, state.getMethodFlat(md));
+      }
+    } else if (src.kind() == Kind.FieldAccessNode) {
+      FieldAccessNode fan = (FieldAccessNode) src;
+      needToNullify = fan.printNode(0);
+      if (needToNullify.startsWith("this.")) {
+        needToNullify = needToNullify.substring(5);
+      }
+      prevAssignNode = src;
+    } else if (src.kind() == Kind.ArrayAccessNode) {
+      TypeDescriptor srcType = src.getType();
+      if (srcType.isPtr() && !srcType.isString()) {
+        throw new Error(
+            "Not allowed to create an alias to the middle of the multidimensional array at "
+                + md.getClassDesc().getSourceFileName() + "::" + src.getNumLine());
+      }
+    } else if (src.kind() == Kind.CreateObjectNode || src.kind() == Kind.MethodInvokeNode
+        || src.kind() == Kind.ArrayInitializerNode || src.kind() == Kind.LiteralNode) {
+
+    } else {
+      throw new Error("Not allowed this type of assignment at "
+          + md.getClassDesc().getSourceFileName() + "::" + src.getNumLine());
+    }
+
+    if (isCreatingAlias(src)) {
+
+      TypeDescriptor srcType = getTypeDescriptor(src);
+      boolean isSourceOwned = false;
+
+      if (srcType.getExtension() != null) {
+        SSJavaType srcLocationType = (SSJavaType) srcType.getExtension();
+        isSourceOwned = srcLocationType.isOwned();
+      } else if (md.isConstructor() && isFieldOfClass(md.getClassDesc(), src.printNode(0))) {
+        isSourceOwned = true;
+      }
+
+      if (!isField(dst)) {
+        if (isSourceOwned) {
+          // here, transfer ownership from LHS to RHS when it creates alias
+          TypeDescriptor destType = getTypeDescriptor(dst);
+          destType.setExtension(new SSJavaType(isSourceOwned));
+        }
+      } else {
+        // if instance is not owned by the method, not able to store
+        // instance into field
+        if (!isSourceOwned) {
+          throw new Error(
+              "Method is not allowed to store an instance not owned by itself into a field at "
+                  + md.getClassDesc().getSourceFileName() + "::" + src.getNumLine());
+        }
+      }
+
+    }
+
+  }
+
+  private boolean isFieldOfClass(ClassDescriptor classDesc, String varName) {
+    return classDesc.getFieldTable().contains(varName);
+  }
+
   private boolean isCreatingAlias(ExpressionNode en) {
 
     int kind = en.kind();
@@ -629,7 +726,6 @@ public class LinearTypeCheck {
   }
 
   private TypeDescriptor getTypeDescriptor(ExpressionNode en) {
-
     if (en.kind() == Kind.NameNode) {
       NameNode nn = (NameNode) en;
       if (nn.getField() != null) {
@@ -645,6 +741,9 @@ public class LinearTypeCheck {
     } else if (en.kind() == Kind.CreateObjectNode) {
       CreateObjectNode con = (CreateObjectNode) en;
       return con.getType();
+    } else if (en.kind() == Kind.ArrayAccessNode) {
+      ArrayAccessNode aan = (ArrayAccessNode) en;
+      return aan.getExpression().getType();
     }
 
     return null;
@@ -673,8 +772,12 @@ public class LinearTypeCheck {
       checkExpressionNode(md, nametable, dn.getExpression());
       if (dn.getExpression().kind() == Kind.CreateObjectNode) {
         dn.getVarDescriptor().getType().setExtension(new SSJavaType(true));
+      } else if (dn.getExpression().kind() == Kind.ArrayAccessNode
+          && dn.getExpression().getType().isPtr()) {
+        throw new Error(
+            "Not allowed to create an alias to the middle of the multidimensional array at "
+                + md.getClassDesc().getSourceFileName() + "::" + dn.getNumLine());
       }
-
     }
 
   }

diff --git a/Robust/src/Analysis/SSJava/MethodAnnotationCheck.java b/Robust/src/Analysis/SSJava/MethodAnnotationCheck.java
index eba5f777d98ea6c336de8b2b78b27147e5c6b77d..989903c7f21108c1c95fbd9dedc3b1673287d856 100644 (file)
--- a/Robust/src/Analysis/SSJava/MethodAnnotationCheck.java
+++ b/Robust/src/Analysis/SSJava/MethodAnnotationCheck.java
@@ -4,7 +4,9 @@ import java.util.HashSet;
 import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.Set;
+import java.util.Vector;
 
+import IR.AnnotationDescriptor;
 import IR.ClassDescriptor;
 import IR.MethodDescriptor;
 import IR.Operation;
@@ -43,6 +45,7 @@ public class MethodAnnotationCheck {
 
   Set<MethodDescriptor> annotatedMDSet;
   Hashtable<MethodDescriptor, Set<MethodDescriptor>> caller2calleeSet;
+  Set<MethodDescriptor> trustWorthyMDSet;
 
   public MethodAnnotationCheck(SSJavaAnalysis ssjava, State state, TypeUtil tu) {
     this.ssjava = ssjava;
@@ -50,6 +53,11 @@ public class MethodAnnotationCheck {
     this.tu = tu;
     caller2calleeSet = new Hashtable<MethodDescriptor, Set<MethodDescriptor>>();
     annotatedMDSet = new HashSet<MethodDescriptor>();
+    trustWorthyMDSet = new HashSet<MethodDescriptor>();
+  }
+
+  public Set<MethodDescriptor> getTrustWorthyMDSet() {
+    return trustWorthyMDSet;
   }
 
   public void methodAnnoatationCheck() {
@@ -65,6 +73,7 @@ public class MethodAnnotationCheck {
       if (!cd.isInterface()) {
         for (Iterator method_it = cd.getMethods(); method_it.hasNext();) {
           MethodDescriptor md = (MethodDescriptor) method_it.next();
+          checkTrustworthyMethodAnnotation(md);
           checkMethodBody(cd, md);
         }
       }
@@ -92,19 +101,22 @@ public class MethodAnnotationCheck {
           if (!visited.contains(p)) {
             visited.add(p);
 
-            tovisit.add(calleeMD);
+            if (!trustWorthyMDSet.contains(calleeMD)) {
+              // if method is annotated as "TRUST", do not need to check for
+              // linear type & flow-down rule
+              tovisit.add(calleeMD);
 
-            Set<MethodDescriptor> possibleCalleeSet =
-                (Set<MethodDescriptor>) ssjava.getCallGraph().getMethods(calleeMD);
+              Set<MethodDescriptor> possibleCalleeSet =
+                  (Set<MethodDescriptor>) ssjava.getCallGraph().getMethods(calleeMD);
 
-            for (Iterator iterator2 = possibleCalleeSet.iterator(); iterator2.hasNext();) {
-              MethodDescriptor possibleCallee = (MethodDescriptor) iterator2.next();
+              for (Iterator iterator2 = possibleCalleeSet.iterator(); iterator2.hasNext();) {
+                MethodDescriptor possibleCallee = (MethodDescriptor) iterator2.next();
 
-              if (!possibleCallee.isAbstract()) {
-                ssjava.addAnnotationRequire(possibleCallee);
-                tovisit.add(possibleCallee);
+                if (!possibleCallee.isAbstract()) {
+                  ssjava.addAnnotationRequire(possibleCallee);
+                  tovisit.add(possibleCallee);
+                }
               }
-
             }
 
           }
@@ -114,6 +126,19 @@ public class MethodAnnotationCheck {
 
   }
 
+  private void checkTrustworthyMethodAnnotation(MethodDescriptor md) {
+    // method annotation parsing
+    Vector<AnnotationDescriptor> methodAnnotations = md.getModifiers().getAnnotations();
+    if (methodAnnotations != null) {
+      for (int i = 0; i < methodAnnotations.size(); i++) {
+        AnnotationDescriptor an = methodAnnotations.elementAt(i);
+        if (an.getMarker().equals(ssjava.TRUST)) {
+          trustWorthyMDSet.add(md);
+        }
+      }
+    }
+  }
+
   public void methodAnnoataionInheritanceCheck() {
     // check If a method is annotated, any method that overrides it should
     // be annotated.
@@ -144,19 +169,21 @@ public class MethodAnnotationCheck {
       }
 
       // need to check super classess if the current method is inherited from
-      // them, all of ancestor method should be annoated
-      ClassDescriptor currentCd = cd;
-      ClassDescriptor superCd = tu.getSuper(currentCd);
-      while (!superCd.getSymbol().equals("Object")) {
-        Set possiblematches = superCd.getMethodTable().getSet(md.getSymbol());
+      // them, all of ancestor method should be annotated.
+
+      ClassDescriptor curClassDesc;
+      ClassDescriptor parentClassDesc = cd;
+
+      while (!parentClassDesc.getSymbol().equals("Object")) {
+        curClassDesc = parentClassDesc;
+        parentClassDesc = tu.getSuper(curClassDesc);
+        Set possiblematches = parentClassDesc.getMethodTable().getSet(md.getSymbol());
         for (Iterator methodit = possiblematches.iterator(); methodit.hasNext();) {
           MethodDescriptor matchmd = (MethodDescriptor) methodit.next();
           if (md.matches(matchmd)) {
             ssjava.addAnnotationRequire(matchmd);
           }
         }
-        currentCd = superCd;
-        superCd = tu.getSuper(currentCd);
       }
 
       Set<ClassDescriptor> superIFSet = tu.getSuperIFs(cd);

diff --git a/Robust/src/Analysis/SSJava/SSJavaAnalysis.java b/Robust/src/Analysis/SSJava/SSJavaAnalysis.java
index 752edfbde242092a01e65eac3b8d32a53148d1fc..6525be5dbaaebd14079b764383b9948f77cf4803 100644 (file)
--- a/Robust/src/Analysis/SSJava/SSJavaAnalysis.java
+++ b/Robust/src/Analysis/SSJava/SSJavaAnalysis.java
@@ -21,7 +21,6 @@ import IR.State;
 import IR.TypeUtil;
 import IR.Flat.BuildFlat;
 import IR.Flat.FlatMethod;
-import IR.Tree.TreeNode;
 import Util.Pair;
 
 public class SSJavaAnalysis {
@@ -37,6 +36,7 @@ public class SSJavaAnalysis {
   public static final String TERMINATE = "TERMINATE";
   public static final String DELEGATE = "DELEGATE";
   public static final String DELEGATETHIS = "DELEGATETHIS";
+  public static final String TRUST = "TRUST";
 
   State state;
   TypeUtil tu;
@@ -65,6 +65,9 @@ public class SSJavaAnalysis {
   // set containing a class that has at least one annoated method
   Set<ClassDescriptor> annotationRequireClassSet;
 
+  // the set of method descriptor required to check the linear type property
+  Set<MethodDescriptor> linearTypeCheckMethodSet;
+
   CallGraph callgraph;
 
   LinearTypeCheck checker;
@@ -80,12 +83,14 @@ public class SSJavaAnalysis {
     this.annotationRequireClassSet = new HashSet<ClassDescriptor>();
     this.skipLoopTerminate = new Hashtable<MethodDescriptor, Integer>();
     this.mapSharedLocation2DescriptorSet = new Hashtable<Location, Set<Descriptor>>();
+    this.linearTypeCheckMethodSet = new HashSet<MethodDescriptor>();
     this.bf = bf;
   }
 
   public void doCheck() {
-    doLinearTypeCheck();
     doMethodAnnotationCheck();
+    computeLinearTypeCheckMethodSet();
+    doLinearTypeCheck();
     if (state.SSJAVADEBUG) {
       debugPrint();
     }
@@ -94,6 +99,36 @@ public class SSJavaAnalysis {
     doDefinitelyWrittenCheck();
   }
 
+  private void computeLinearTypeCheckMethodSet() {
+
+    Set<MethodDescriptor> allCalledSet = callgraph.getMethodCalls(tu.getMain());
+    linearTypeCheckMethodSet.addAll(allCalledSet);
+
+    Set<MethodDescriptor> trustedSet = new HashSet<MethodDescriptor>();
+
+    Set<MethodDescriptor> trustAnnoatedSet = methodAnnotationChecker.getTrustWorthyMDSet();
+
+    for (Iterator iterator = trustAnnoatedSet.iterator(); iterator.hasNext();) {
+      MethodDescriptor trustMethod = (MethodDescriptor) iterator.next();
+      Set<MethodDescriptor> calledFromTrustMethodSet = callgraph.getMethodCalls(trustMethod);
+      trustedSet.add(trustMethod);
+      trustedSet.addAll(calledFromTrustMethodSet);
+    }
+
+    linearTypeCheckMethodSet.removeAll(trustedSet);
+
+    // if a method is called only by trusted method, no need to check linear
+    // type & flow down rule
+    for (Iterator iterator = trustedSet.iterator(); iterator.hasNext();) {
+      MethodDescriptor md = (MethodDescriptor) iterator.next();
+      Set<MethodDescriptor> callerSet = callgraph.getCallerSet(md);
+      if (!trustedSet.containsAll(callerSet) && !trustAnnoatedSet.contains(md)) {
+        linearTypeCheckMethodSet.add(md);
+      }
+    }
+
+  }
+
   private void doLinearTypeCheck() {
     LinearTypeCheck checker = new LinearTypeCheck(this, state);
     checker.linearTypeCheck();
@@ -174,7 +209,6 @@ public class SSJavaAnalysis {
                 if (value != null) {
                   maxIteration = Integer.parseInt(value);
                 }
-                System.out.println("###md=" + md);
                 skipLoopTerminate.put(md, new Integer(maxIteration));
               }
             }
@@ -335,6 +369,10 @@ public class SSJavaAnalysis {
     }
   }
 
+  public boolean needToCheckLinearType(MethodDescriptor md) {
+    return linearTypeCheckMethodSet.contains(md);
+  }
+
   public boolean needTobeAnnotated(MethodDescriptor md) {
     return annotationRequireSet.contains(md);
   }

diff --git a/Robust/src/ClassLibrary/SSJava/String.java b/Robust/src/ClassLibrary/SSJava/String.java
index ddacb966d41c17cdedf9425d5bf1087f645a4044..7bbb303bb622471149580d063a5dc5af9abd7299 100644 (file)
--- a/Robust/src/ClassLibrary/SSJava/String.java
+++ b/Robust/src/ClassLibrary/SSJava/String.java
@@ -129,7 +129,6 @@ public class String {
     String newstr=new String();
     newstr.count=this.count+str.count;
     char charstr[]=new char[newstr.count];
-    newstr.value=charstr;
     newstr.offset=0;
     for(int i=0; i<count; i++) {
       charstr[i]=value[i+offset];
@@ -137,6 +136,7 @@ public class String {
     for(int i=0; i<str.count; i++) {
       charstr[i+count]=str.value[i+str.offset];
     }
+    newstr.value=charstr;
     return newstr;
   }
 

diff --git a/Robust/src/Tests/ssJava/mp3decoder/BitStreamWrapper.java b/Robust/src/Tests/ssJava/mp3decoder/BitStreamWrapper.java
deleted file mode 100644 (file)
index 046be7e..0000000
--- a/Robust/src/Tests/ssJava/mp3decoder/BitStreamWrapper.java
+++ /dev/null
@@ -1,17 +0,0 @@
-public class BitStreamWrapper {
-
-  private static Bitstream stream;
-
-  public static void init(InputStream in) {
-    stream = new Bitstream(in);
-  }
-
-  public static Header readFrame() {
-    return stream.readFrame();
-  }
-
-  public static int get_bits(int number_of_bits) {
-    return stream.get_bits(number_of_bits);
-  }
-
-}

diff --git a/Robust/src/Tests/ssJava/mp3decoder/BitstreamWrapper.java b/Robust/src/Tests/ssJava/mp3decoder/BitstreamWrapper.java
new file mode 100644 (file)
index 0000000..6a3209d
--- /dev/null
+++ b/Robust/src/Tests/ssJava/mp3decoder/BitstreamWrapper.java
@@ -0,0 +1,17 @@
+public class BitstreamWrapper {
+
+  private static Bitstream stream;
+
+  @TRUST
+  public static void init(String filename) {
+    FileInputStream fin = new FileInputStream(filename);
+    BufferedInputStream bin = new BufferedInputStream(fin);
+    stream = new Bitstream(bin);
+  }
+
+  @TRUST
+  public static Header readFrame() {
+    return stream.readFrame();
+  }
+
+}

diff --git a/Robust/src/Tests/ssJava/mp3decoder/Decoder.java b/Robust/src/Tests/ssJava/mp3decoder/Decoder.java
index e7ca3fd22f0d4016b158eb092df76ac69bcbd911..8b3ecbc659a6088f08bd43a92c5151f8e1c0da18 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/Decoder.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/Decoder.java
@@ -33,26 +33,26 @@ public class Decoder implements DecoderErrors {
   /**\r
    * The Bistream from which the MPEG audio frames are read.\r
    */\r
-  @LOC("ST")\r
-  private Bitstream stream;\r
+  // @LOC("ST")\r
+  // private Bitstream stream;\r
 \r
   /**\r
    * The Obuffer instance that will receive the decoded PCM samples.\r
    */\r
-  @LOC("OUT")\r
-  private Obuffer output;\r
+  // @LOC("OUT")\r
+  // private Obuffer output;\r
 \r
   /**\r
    * Synthesis filter for the left channel.\r
    */\r
-  @LOC("FIL")\r
-  private SynthesisFilter filter1;\r
+  // @LOC("FIL")\r
+  // private SynthesisFilter filter1;\r
 \r
   /**\r
    * Sythesis filter for the right channel.\r
    */\r
-  @LOC("FIL")\r
-  private SynthesisFilter filter2;\r
+  // @LOC("FIL")\r
+  // private SynthesisFilter filter2;\r
 \r
   /**\r
    * The decoder used to decode layer III frames.\r
@@ -93,9 +93,11 @@ public class Decoder implements DecoderErrors {
    *          The <code>Params</code> instance that describes the customizable\r
    *          aspects of the decoder.\r
    */\r
-  public Decoder(Params params0) {\r
-    if (params0 == null)\r
-      params0 = DEFAULT_PARAMS;\r
+  public Decoder(@DELEGATE Params params0) {\r
+\r
+    if (params0 == null) {\r
+      params0 = getDefaultParams();\r
+    }\r
 \r
     params = params0;\r
 \r
@@ -109,20 +111,20 @@ public class Decoder implements DecoderErrors {
     return (Params) DEFAULT_PARAMS.clone();\r
   }\r
 \r
-  public void setEqualizer(Equalizer eq) {\r
-    if (eq == null)\r
-      eq = Equalizer.PASS_THRU_EQ;\r
-\r
-    equalizer.setFrom(eq);\r
-\r
-    float[] factors = equalizer.getBandFactors();\r
-\r
-    if (filter1 != null)\r
-      filter1.setEQ(factors);\r
-\r
-    if (filter2 != null)\r
-      filter2.setEQ(factors);\r
-  }\r
+  // public void setEqualizer(Equalizer eq) {\r
+  // if (eq == null)\r
+  // eq = Equalizer.PASS_THRU_EQ;\r
+  //\r
+  // equalizer.setFrom(eq);\r
+  //\r
+  // float[] factors = equalizer.getBandFactors();\r
+  //\r
+  // if (filter1 != null)\r
+  // filter1.setEQ(factors);\r
+  //\r
+  // if (filter2 != null)\r
+  // filter2.setEQ(factors);\r
+  // }\r
 \r
   /**\r
    * Decodes one frame from an MPEG audio bitstream.\r
@@ -136,56 +138,61 @@ public class Decoder implements DecoderErrors {
    */\r
   @LATTICE("O<DE,DE<TH,TH<IN,THISLOC=TH")\r
   @RETURNLOC("O")\r
-  public Obuffer decodeFrame(@LOC("IN") Header header, @LOC("IN") Bitstream stream)\r
-      throws DecoderException {\r
+  public Obuffer decodeFrame(@LOC("IN") Header header) throws DecoderException {\r
 \r
     if (!initialized) {\r
-      initialize(header);\r
+      float scalefactor = 32700.0f;\r
+\r
+      int mode = header.mode();\r
+      int layer = header.layer();\r
+      int channels = mode == Header.SINGLE_CHANNEL ? 1 : 2;\r
+\r
+      // set up output buffer if not set up by client.\r
+      // if (output == null)\r
+      // output = new SampleBuffer(header.frequency(), channels);\r
+      SampleBufferWrapper.init(header.frequency(), channels);\r
+\r
+      float[] factors = equalizer.getBandFactors();\r
+      SynthesisFilter filter1 = new SynthesisFilter(0, scalefactor, factors);\r
+\r
+      // REVIEW: allow mono output for stereo\r
+      SynthesisFilter filter2 = null;\r
+      if (channels == 2) {\r
+        filter2 = new SynthesisFilter(1, scalefactor, factors);\r
+      }\r
+\r
+      outputChannels = channels;\r
+      outputFrequency = header.frequency();\r
+\r
+      l3decoder = new LayerIIIDecoder(filter1, filter2, OutputChannels.BOTH_CHANNELS);\r
+\r
+      initialized = true;\r
     }\r
 \r
     @LOC("TH") int layer = header.layer();\r
 \r
-    output.clear_buffer();\r
-    \r
-    @LOC("DE,Decoder.DE") FrameDecoder decoder = retrieveDecoder(header, stream, layer); // return\r
-                                                                                         // ceil=DELTA(TH)\r
-    decoder.decodeFrame();\r
-\r
-    // if (layer == 3) {\r
-    // if (l3decoder == null) {\r
-    // l3decoder =\r
-    // new LayerIIIDecoder(stream, header, filter1, filter2, output,\r
-    // OutputChannels.BOTH_CHANNELS);\r
-    // }\r
-    // l3decoder.decodeFrame();\r
-    // } else if (layer == 2) {\r
-    // if (l2decoder == null) {\r
-    // l2decoder = new LayerIIDecoder();\r
-    // l2decoder.create(stream, header, filter1, filter2, output,\r
-    // OutputChannels.BOTH_CHANNELS);\r
-    // }\r
-    // l2decoder.decodeFrame();\r
-    // } else {\r
-    // if (l1decoder == null) {\r
-    // l1decoder = new LayerIDecoder();\r
-    // l1decoder.create(stream, header, filter1, filter2, output,\r
-    // OutputChannels.BOTH_CHANNELS);\r
-    // }\r
-    // l1decoder.decodeFrame();\r
-    // }\r
-\r
-    output.write_buffer(1);\r
-\r
-    return output;\r
+    SampleBufferWrapper.getOutput().clear_buffer();\r
+    // output.clear_buffer();\r
+\r
+    // @LOC("DE,Decoder.DE") FrameDecoder decoder = retrieveDecoder(header,\r
+    // stream, layer);\r
+    // decoder.decodeFrame();\r
+\r
+    l3decoder.decodeFrame(header);\r
+\r
+    SampleBufferWrapper.getOutput().write_buffer(1);\r
+    // output.write_buffer(1);\r
+\r
+    // return output;\r
   }\r
 \r
   /**\r
    * Changes the output buffer. This will take effect the next time\r
    * decodeFrame() is called.\r
    */\r
-  public void setOutputBuffer(Obuffer out) {\r
-    output = out;\r
-  }\r
+  // public void setOutputBuffer(Obuffer out) {\r
+  // output = out;\r
+  // }\r
 \r
   /**\r
    * Retrieves the sample frequency of the PCM samples output by this decoder.\r
@@ -236,78 +243,6 @@ public class Decoder implements DecoderErrors {
     return new DecoderException(errorcode, throwable);\r
   }\r
 \r
-  @LATTICE("IN,TH,THISLOC=TH")\r
-  @RETURNLOC("TH")\r
-  protected FrameDecoder retrieveDecoder(@LOC("IN") Header header, @LOC("IN") Bitstream stream,\r
-      @LOC("IN") int layer) throws DecoderException {\r
-    // @LOC("DE") FrameDecoder decoder = null;\r
-\r
-    // REVIEW: allow channel output selection type\r
-    // (LEFT, RIGHT, BOTH, DOWNMIX)\r
-    switch (layer) {\r
-    case 3:\r
-      if (l3decoder == null) {\r
-        l3decoder =\r
-            new LayerIIIDecoder(header, filter1, filter2, output, OutputChannels.BOTH_CHANNELS);\r
-      }\r
-\r
-      return l3decoder;\r
-      // decoder = l3decoder;\r
-      break;\r
-    // case 2:\r
-    // if (l2decoder == null) {\r
-    // l2decoder = new LayerIIDecoder();\r
-    // l2decoder.create(stream, header, filter1, filter2, output,\r
-    // OutputChannels.BOTH_CHANNELS);\r
-    // }\r
-    // return l2decoder;\r
-    // // decoder = l2decoder;\r
-    // break;\r
-    // case 1:\r
-    // if (l1decoder == null) {\r
-    // l1decoder = new LayerIDecoder();\r
-    // l1decoder.create(stream, header, filter1, filter2, output,\r
-    // OutputChannels.BOTH_CHANNELS);\r
-    // }\r
-    // return l1decoder;\r
-    // // decoder = l1decoder;\r
-    // break;\r
-    }\r
-    //\r
-    // if (decoder==null)\r
-    // {\r
-    // throw newDecoderException(UNSUPPORTED_LAYER, null);\r
-    // }\r
-    //\r
-    // return decoder;\r
-  }\r
-\r
-  public void initialize(Header header) throws DecoderException {\r
-\r
-    // REVIEW: allow customizable scale factor\r
-    float scalefactor = 32700.0f;\r
-\r
-    int mode = header.mode();\r
-    int layer = header.layer();\r
-    int channels = mode == Header.SINGLE_CHANNEL ? 1 : 2;\r
-\r
-    // set up output buffer if not set up by client.\r
-    if (output == null)\r
-      output = new SampleBuffer(header.frequency(), channels);\r
-\r
-    float[] factors = equalizer.getBandFactors();\r
-    filter1 = new SynthesisFilter(0, scalefactor, factors);\r
-\r
-    // REVIEW: allow mono output for stereo\r
-    if (channels == 2)\r
-      filter2 = new SynthesisFilter(1, scalefactor, factors);\r
-\r
-    outputChannels = channels;\r
-    outputFrequency = header.frequency();\r
-\r
-    initialized = true;\r
-  }\r
-\r
   /**\r
    * The <code>Params</code> class presents the customizable aspects of the\r
    * decoder.\r
@@ -315,7 +250,9 @@ public class Decoder implements DecoderErrors {
    * Instances of this class are not thread safe.\r
    */\r
   public static class Params implements Cloneable {\r
-    private OutputChannels outputChannels = OutputChannels.BOTH;\r
+\r
+    // private OutputChannels outputChannels = OutputChannels.BOTH;\r
+    private OutputChannels outputChannels = new OutputChannels(0);\r
 \r
     private Equalizer equalizer = new Equalizer();\r
 \r
@@ -325,8 +262,8 @@ public class Decoder implements DecoderErrors {
     public Object clone() {\r
       // TODO: need to have better clone method\r
       Params clone = new Params();\r
-      clone.outputChannels = outputChannels;\r
-      clone.equalizer = equalizer;\r
+      clone.outputChannels = new OutputChannels(outputChannels.getChannelsOutputCode());\r
+      clone.equalizer = new Equalizer();\r
       return clone;\r
       // try\r
       // {\r

diff --git a/Robust/src/Tests/ssJava/mp3decoder/LayerIIIDecoder.java b/Robust/src/Tests/ssJava/mp3decoder/LayerIIIDecoder.java
index b7fde809e298ad35f818e511d647e16bf2e15040..3277f38b04a98a7b8b67c7eaceaf73db994af516 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/LayerIIIDecoder.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/LayerIIIDecoder.java
@@ -72,14 +72,14 @@ final class LayerIIIDecoder implements FrameDecoder {
   private float[][] k;
   @LOC("NZ")
   private int[] nonzero;
-  @LOC("HD")
-  private Header header;
+  // @LOC("HD")
+  // private Header header;
   @LOC("FT")
   private SynthesisFilter filter1;
   @LOC("FT")
   private SynthesisFilter filter2;
-  @LOC("SP")
-  private Obuffer buffer; // output buffer
+  // @LOC("SP")
+  // private Obuffer buffer; // output buffer
   @LOC("CH0")
   private int which_channels;
   @LOC("BR")
@@ -108,14 +108,14 @@ final class LayerIIIDecoder implements FrameDecoder {
 
   private int part2_start;
 
-  /**
-   * Constructor.
-   */
-  // REVIEW: these constructor arguments should be moved to the
-  // decodeFrame() method, where possible, so that one
-  @LATTICE("THIS<VAR,THIS<I,THIS<J,J<CH,I*,J*,CH*,THISLOC=THIS,GLOBALLOC=THIS")
-  public LayerIIIDecoder(@LOC("VAR") Header header0, @LOC("VAR") SynthesisFilter filtera,
-      @LOC("VAR") SynthesisFilter filterb, @LOC("VAR") Obuffer buffer0, @LOC("VAR") int which_ch0) {
+  private boolean initialized = false;
+
+  // constructor for the linear type system
+  public LayerIIIDecoder(@DELEGATE @LOC("VAR") SynthesisFilter filtera,
+      @DELEGATE @LOC("VAR") SynthesisFilter filterb, @LOC("VAR") int which_ch0) {
+
+    filter1 = filtera;
+    filter2 = filterb;
 
     huffcodetab.inithuff();
     is_1d = new int[SBLIMIT * SSLIMIT + 4];
@@ -208,11 +208,9 @@ final class LayerIIIDecoder implements FrameDecoder {
     scalefac_buffer = new int[54];
     // END OF scalefac_buffer
 
-    header = header0;
-    filter1 = filtera;
-    filter2 = filterb;
-    buffer = buffer0;
-    which_channels = which_ch0;
+  }
+
+  private void init(Header header) {
 
     frame_start = 0;
     channels = (header.mode() == Header.SINGLE_CHANNEL) ? 1 : 2;
@@ -252,8 +250,177 @@ final class LayerIIIDecoder implements FrameDecoder {
 
     br = new BitReserve();
     si = new III_side_info_t();
+
+    initialized = true;
+
   }
 
+  /**
+   * Constructor.
+   */
+  // REVIEW: these constructor arguments should be moved to the
+  // decodeFrame() method, where possible, so that one
+  // @LATTICE("THIS<VAR,THIS<I,THIS<J,J<CH,I*,J*,CH*,THISLOC=THIS,GLOBALLOC=THIS")
+  // public LayerIIIDecoder(@LOC("VAR") Header header0, @LOC("VAR")
+  // SynthesisFilter filtera,
+  // @LOC("VAR") SynthesisFilter filterb, @LOC("VAR") int which_ch0) {
+  //
+  // huffcodetab.inithuff();
+  // is_1d = new int[SBLIMIT * SSLIMIT + 4];
+  // ro = new float[2][SBLIMIT][SSLIMIT];
+  // lr = new float[2][SBLIMIT][SSLIMIT];
+  // out_1d = new float[SBLIMIT * SSLIMIT];
+  // prevblck = new float[2][SBLIMIT * SSLIMIT];
+  // k = new float[2][SBLIMIT * SSLIMIT];
+  // nonzero = new int[2];
+  //
+  // // removes unnecessary aliases
+  // // III_scalefact_t
+  // // III_scalefac_t = new temporaire2[2];
+  // // III_scalefac_t[0] = new temporaire2();
+  // // III_scalefac_t[1] = new temporaire2();
+  // // scalefac = III_scalefac_t;
+  //
+  // scalefac = new temporaire2[2];
+  // scalefac[0] = new temporaire2();
+  // scalefac[1] = new temporaire2();
+  //
+  // // L3TABLE INIT
+  //
+  // sfBandIndex = new SBI[9]; // SZD: MPEG2.5 +3 indices
+  // @LOC("VAR") int[] l0 =
+  // { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238,
+  // 284, 336, 396,
+  // 464, 522, 576 };
+  // @LOC("VAR") int[] s0 = { 0, 4, 8, 12, 18, 24, 32, 42, 56, 74, 100, 132,
+  // 174, 192 };
+  // @LOC("VAR") int[] l1 =
+  // { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194, 232,
+  // 278, 330, 394,
+  // 464, 540, 576 };
+  // @LOC("VAR") int[] s1 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 136,
+  // 180, 192 };
+  // @LOC("VAR") int[] l2 =
+  // { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238,
+  // 284, 336, 396,
+  // 464, 522, 576 };
+  // @LOC("VAR") int[] s2 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134,
+  // 174, 192 };
+  //
+  // @LOC("VAR") int[] l3 =
+  // { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162, 196,
+  // 238, 288, 342,
+  // 418, 576 };
+  // @LOC("VAR") int[] s3 = { 0, 4, 8, 12, 16, 22, 30, 40, 52, 66, 84, 106, 136,
+  // 192 };
+  // @LOC("VAR") int[] l4 =
+  // { 0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156, 190,
+  // 230, 276, 330,
+  // 384, 576 };
+  // @LOC("VAR") int[] s4 = { 0, 4, 8, 12, 16, 22, 28, 38, 50, 64, 80, 100, 126,
+  // 192 };
+  // @LOC("VAR") int[] l5 =
+  // { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194, 240,
+  // 296, 364, 448,
+  // 550, 576 };
+  // @LOC("VAR") int[] s5 = { 0, 4, 8, 12, 16, 22, 30, 42, 58, 78, 104, 138,
+  // 180, 192 };
+  // // SZD: MPEG2.5
+  // @LOC("VAR") int[] l6 =
+  // { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238,
+  // 284, 336, 396,
+  // 464, 522, 576 };
+  // @LOC("VAR") int[] s6 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134,
+  // 174, 192 };
+  // @LOC("VAR") int[] l7 =
+  // { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238,
+  // 284, 336, 396,
+  // 464, 522, 576 };
+  // @LOC("VAR") int[] s7 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134,
+  // 174, 192 };
+  // @LOC("VAR") int[] l8 =
+  // { 0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336, 400,
+  // 476, 566, 568,
+  // 570, 572, 574, 576 };
+  // @LOC("VAR") int[] s8 = { 0, 8, 16, 24, 36, 52, 72, 96, 124, 160, 162, 164,
+  // 166, 192 };
+  //
+  // sfBandIndex[0] = new SBI(l0, s0);
+  // sfBandIndex[1] = new SBI(l1, s1);
+  // sfBandIndex[2] = new SBI(l2, s2);
+  //
+  // sfBandIndex[3] = new SBI(l3, s3);
+  // sfBandIndex[4] = new SBI(l4, s4);
+  // sfBandIndex[5] = new SBI(l5, s5);
+  // // SZD: MPEG2.5
+  // sfBandIndex[6] = new SBI(l6, s6);
+  // sfBandIndex[7] = new SBI(l7, s7);
+  // sfBandIndex[8] = new SBI(l8, s8);
+  // // END OF L3TABLE INIT
+  //
+  // if (reorder_table == null) { // SZD: generate LUT
+  // reorder_table = new int[9][];
+  // for (@LOC("I") int i = 0; i < 9; i++)
+  // reorder_table[i] = reorder(sfBandIndex[i].s);
+  // }
+  //
+  // // Sftable
+  // @LOC("VAR") int[] ll0 = { 0, 6, 11, 16, 21 };
+  // @LOC("VAR") int[] ss0 = { 0, 6, 12 };
+  // sftable = new Sftable(ll0, ss0);
+  // // END OF Sftable
+  //
+  // // scalefac_buffer
+  // scalefac_buffer = new int[54];
+  // // END OF scalefac_buffer
+  //
+  // // header = header0;
+  // filter1 = filtera;
+  // filter2 = filterb;
+  // // buffer = buffer0;
+  // which_channels = which_ch0;
+  //
+  // frame_start = 0;
+  // channels = (header.mode() == Header.SINGLE_CHANNEL) ? 1 : 2;
+  // max_gr = (header.version() == Header.MPEG1) ? 2 : 1;
+  //
+  // sfreq =
+  // header.sample_frequency()
+  // + ((header.version() == Header.MPEG1) ? 3 : (header.version() ==
+  // Header.MPEG25_LSF) ? 6
+  // : 0); // SZD
+  //
+  // if (channels == 2) {
+  // switch (which_channels) {
+  // case OutputChannels.LEFT_CHANNEL:
+  // case OutputChannels.DOWNMIX_CHANNELS:
+  // first_channel = last_channel = 0;
+  // break;
+  //
+  // case OutputChannels.RIGHT_CHANNEL:
+  // first_channel = last_channel = 1;
+  // break;
+  //
+  // case OutputChannels.BOTH_CHANNELS:
+  // default:
+  // first_channel = 0;
+  // last_channel = 1;
+  // break;
+  // }
+  // } else {
+  // first_channel = last_channel = 0;
+  // }
+  //
+  // for (@LOC("CH") int ch = 0; ch < 2; ch++)
+  // for (@LOC("J") int j = 0; j < 576; j++)
+  // prevblck[ch][j] = 0.0f;
+  //
+  // nonzero[0] = nonzero[1] = 576;
+  //
+  // br = new BitReserve();
+  // si = new III_side_info_t();
+  // }
+
   /**
    * Notify decoder that a seek is being made.
    */
@@ -266,8 +433,8 @@ final class LayerIIIDecoder implements FrameDecoder {
     br = new BitReserve();
   }
 
-  public void decodeFrame() {
-    decode();
+  public void decodeFrame(Header header) {
+    decode(header);
   }
 
   /**
@@ -290,7 +457,11 @@ final class LayerIIIDecoder implements FrameDecoder {
    */
   // @LATTICE("BYTE<THIS,THIS<MAIN,MAIN<VAR,THIS<GR,GR<VAR,BYTE*,GR*,THISLOC=THIS,GLOBALLOC=VAR")
   @LATTICE("VAR<THIS,C<THIS,THIS<IN,THISLOC=THIS,C*,VAR*")
-  public void decode() {
+  public void decode(Header header) {
+
+    if (!initialized) {
+      init(header);
+    }
 
     @LOC("THIS,LayerIIIDecoder.HD1") int nSlots = header.slots();
 
@@ -308,7 +479,7 @@ final class LayerIIIDecoder implements FrameDecoder {
     @LOC("C") int i;
 
     // modifications for linear type
-    get_side_info(header.getSideInfoBuffer());
+    get_side_info(header);
     br = header.getBitReserve();
 
     // here 'gr' and 'max_gr' should be higher than 'ch','channels', and more
@@ -322,20 +493,21 @@ final class LayerIIIDecoder implements FrameDecoder {
         // grab scale factors from the main data.
         // following the scale factors is the actual compressed data
         if (header.version() == Header.MPEG1)
-          get_scale_factors(ch, gr); // no need to care from this side
+          get_scale_factors(header, ch, gr); // no need to care from this side
         // here move scale factor data from 'br' buffer to 'scalefac' field
         else
           // MPEG-2 LSF, SZD: MPEG-2.5 LSF
-          get_LSF_scale_factors(ch, gr); // no need to care from this side
+          get_LSF_scale_factors(header, ch, gr); // no need to care from this
+                                                 // side
 
         // here, decoding the compressed audio data
         huffman_decode(ch, gr); // no need to care from this side
-//        System.out.println("CheckSum HuffMan = " + CheckSumHuff);
+        // System.out.println("CheckSum HuffMan = " + CheckSumHuff);
         dequantize_sample(/* ro[ch], */ch, gr); // no need to care from this
                                                 // side
       }
 
-      stereo(gr); // no need to care from this side
+      stereo(header, gr); // no need to care from this side
 
       if ((which_channels == OutputChannels.DOWNMIX_CHANNELS) && (channels > 1)) {
         do_downmix();
@@ -351,13 +523,12 @@ final class LayerIIIDecoder implements FrameDecoder {
 
         reorder(/* lr[ch], */ch, gr);
         antialias(ch, gr);
-        
-//        float CheckSumOut1d=0;
-//        for (int hb = 0;hb<576;hb++) {
-//             CheckSumOut1d = CheckSumOut1d + out_1d[hb];
-//        }
-//        System.out.println("CheckSumOut1d = "+CheckSumOut1d);
-        
+
+        // float CheckSumOut1d=0;
+        // for (int hb = 0;hb<576;hb++) {
+        // CheckSumOut1d = CheckSumOut1d + out_1d[hb];
+        // }
+        // System.out.println("CheckSumOut1d = "+CheckSumOut1d);
 
         hybrid(ch, gr);
 
@@ -388,7 +559,7 @@ final class LayerIIIDecoder implements FrameDecoder {
               sb++; // sb should be loc*
             }
             filter1.input_samples(samples1);
-            filter1.calculate_pcm_samples(buffer);
+            filter1.calculate_pcm_samples();
           }
         } else {
           for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis
@@ -399,7 +570,7 @@ final class LayerIIIDecoder implements FrameDecoder {
               sb++;
             }
             filter2.input_samples(samples2);
-            filter2.calculate_pcm_samples(buffer);
+            filter2.calculate_pcm_samples();
           }
 
         }
@@ -410,7 +581,7 @@ final class LayerIIIDecoder implements FrameDecoder {
     // if (counter < 609)
     // {
     counter++; // count should be loc*
-    buffer.write_buffer(1); // buffer!!!
+    // buffer.write_buffer(1); // buffer!!!
     // }
     // else if (counter == 609)
     // {
@@ -427,7 +598,10 @@ final class LayerIIIDecoder implements FrameDecoder {
    * Reads the side info from the stream, assuming the entire. frame has been
    * read already. Mono : 136 bits (= 17 bytes) Stereo : 256 bits (= 32 bytes)
    */
-  private boolean get_side_info(SideInfoBuffer sib) {
+  private boolean get_side_info(Header header) {
+
+    SideInfoBuffer sib = header.getSideInfoBuffer();
+
     int ch, gr;
     // System.out.println("#get_side_info");
     if (header.version() == Header.MPEG1) {
@@ -553,7 +727,7 @@ final class LayerIIIDecoder implements FrameDecoder {
         *
         */
   @LATTICE("THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
-  private void get_scale_factors(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
+  private void get_scale_factors(Header header, @LOC("THIS,LayerIIIDecoder.CH0") int ch,
       @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
 
     // gr_info_s gr_info = (si.ch[ch].gr[gr]); remove alias
@@ -667,7 +841,7 @@ final class LayerIIIDecoder implements FrameDecoder {
 
   // ssjava
   @LATTICE("M<THIS,THIS<IN,THIS<C,C*,M*,THISLOC=THIS,GLOBALLOC=THIS")
-  private void get_LSF_scale_data(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
+  private void get_LSF_scale_data(Header header, @LOC("THIS,LayerIIIDecoder.CH0") int ch,
       @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
 
     @LOC("THIS,LayerIIIDecoder.HD1") int mode_ext = header.mode_extension();
@@ -771,7 +945,7 @@ final class LayerIIIDecoder implements FrameDecoder {
         *
         */
   @LATTICE("THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
-  private void get_LSF_scale_factors(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
+  private void get_LSF_scale_factors(Header header, @LOC("THIS,LayerIIIDecoder.CH0") int ch,
       @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
 
     @LOC("THIS,LayerIIIDecoder.SFB_SH") int sfb;
@@ -779,7 +953,7 @@ final class LayerIIIDecoder implements FrameDecoder {
     @LOC("THIS,LayerIIIDecoder.SFB_SH") int window;
     // gr_info_s gr_info = (si.ch[ch].gr[gr]); // remove alias
 
-    get_LSF_scale_data(ch, gr);
+    get_LSF_scale_data(header, ch, gr);
 
     if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
       if (si.ch[ch].gr[gr].mixed_block_flag != 0) { // MIXED
@@ -880,14 +1054,20 @@ final class LayerIIIDecoder implements FrameDecoder {
     index = 0;
     // Read bigvalues area
     for (int i = 0; i < (si.ch[ch].gr[gr].big_values << 1); i += 2) {
-      if (i < region1Start)
-        h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[0]];
-      else if (i < region2Start)
-        h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[1]];
-      else
-        h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[2]];
 
-      huffcodetab.huffman_decoder(h, x, y, v, w, br);
+      int htIdx;
+      if (i < region1Start) {
+        htIdx = si.ch[ch].gr[gr].table_select[0];
+        // h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[0]];
+      } else if (i < region2Start) {
+        htIdx = si.ch[ch].gr[gr].table_select[1];
+        // h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[1]];
+      } else {
+        htIdx = si.ch[ch].gr[gr].table_select[2];
+        // h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[2]];
+      }
+
+      huffcodetab.huffman_decoder(htIdx, x, y, v, w, br);
       // if (index >= is_1d.length)
       // System.out.println("i0="+i+"/"+(si.ch[ch].gr[gr].big_values<<1)+" Index="+index+" is_1d="+is_1d.length);
 
@@ -895,16 +1075,18 @@ final class LayerIIIDecoder implements FrameDecoder {
       is_1d[index++] = y[0];
 
       CheckSumHuff = CheckSumHuff + x[0] + y[0];
-//      System.out.println("x = " + x[0] + " y = " + y[0]);
+      // System.out.println("x = " + x[0] + " y = " + y[0]);
     }
 
     // Read count1 area
-    h = huffcodetab.ht[si.ch[ch].gr[gr].count1table_select + 32];
+
+    int htIdx = si.ch[ch].gr[gr].count1table_select + 32;
+    // h = huffcodetab.ht[si.ch[ch].gr[gr].count1table_select + 32];
     num_bits = br.hsstell();
 
     while ((num_bits < part2_3_end) && (index < 576)) {
 
-      huffcodetab.huffman_decoder(h, x, y, v, w, br);
+      huffcodetab.huffman_decoder(htIdx, x, y, v, w, br);
 
       is_1d[index++] = v[0];
       is_1d[index++] = w[0];
@@ -1245,7 +1427,7 @@ final class LayerIIIDecoder implements FrameDecoder {
 
   // ssjava
   @LATTICE("IO<THIS,THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
-  private void stereo(@LOC("THIS,LayerIIIDecoder.CH0") int gr) {
+  private void stereo(Header header, @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
     @LOC("THIS,LayerIIIDecoder.RO1") int sb;
     @LOC("THIS,LayerIIIDecoder.RO1") int ss;
 
@@ -1543,17 +1725,17 @@ final class LayerIIIDecoder implements FrameDecoder {
     @LOC("THIS,LayerIIIDecoder.SI1") int ss;
     @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR2") int sb18lim;
 
-    @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR1") gr_info_s gr_info =
-        (si.ch[ch].gr[gr]);
+//    @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR1") gr_info_s gr_info =
+//        (si.ch[ch].gr[gr]);
     // 31 alias-reduction operations between each pair of sub-bands
     // with 8 butterflies between each pair
 
-    if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)
-        && !(gr_info.mixed_block_flag != 0))
+    if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)
+        && !(si.ch[ch].gr[gr].mixed_block_flag != 0))
       return;
 
-    if ((gr_info.window_switching_flag != 0) && (gr_info.mixed_block_flag != 0)
-        && (gr_info.block_type == 2)) {
+    if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].mixed_block_flag != 0)
+        && (si.ch[ch].gr[gr].block_type == 2)) {
       sb18lim = 18;
     } else {
       sb18lim = 558;
@@ -2100,7 +2282,7 @@ final class LayerIIIDecoder implements FrameDecoder {
     }
 
     @LATTICE("THIS<IN,THISLOC=THIS")
-    public SBI(@LOC("IN") int[] thel, @LOC("IN") int[] thes) {
+    public SBI(@DELEGATE @LOC("IN") int[] thel, @DELEGATE @LOC("IN") int[] thes) {
       l = thel;
       s = thes;
     }
@@ -2664,7 +2846,7 @@ final class LayerIIIDecoder implements FrameDecoder {
     }
 
     @LATTICE("THIS<IN,THISLOC=THIS")
-    public Sftable(@LOC("IN") int[] thel, @LOC("IN") int[] thes) {
+    public Sftable(@DELEGATE @LOC("IN") int[] thel, @DELEGATE @LOC("IN") int[] thes) {
       l = thel;
       s = thes;
     }

diff --git a/Robust/src/Tests/ssJava/mp3decoder/MP3Player.java b/Robust/src/Tests/ssJava/mp3decoder/MP3Player.java
index bd623697e0aea58ef3f4e724599371672d1d1719..7c182410a5374fb6ebda65b1f42262a66459263b 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/MP3Player.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/MP3Player.java
@@ -3,14 +3,14 @@ public class MP3Player {
 
   private String filename = null;
 
-  public static void main(String args[]) {
+  public static void main(@DELEGATE String args[]) {
 
     MP3Player player = new MP3Player();
     player.init(args);
 
   }
 
-  private void init(String[] args) {
+  private void init(@DELEGATE String[] args) {
     if (args.length == 1) {
       filename = args[0];
     }
@@ -20,22 +20,22 @@ public class MP3Player {
   /**
    * Playing file from FileInputStream.
    */
-  protected InputStream getInputStream() throws IOException {
-    FileInputStream fin = new FileInputStream(filename);
-    BufferedInputStream bin = new BufferedInputStream(fin);
-    return bin;
-  }
+  // protected InputStream getInputStream() throws IOException {
+  // FileInputStream fin = new FileInputStream(filename);
+  // BufferedInputStream bin = new BufferedInputStream(fin);
+  // return bin;
+  // }
 
   public void play() throws JavaLayerException {
     try {
       System.out.println("playing " + filename + "...");
-      InputStream in = getInputStream();
+      BitstreamWrapper.init(filename);
       AudioDevice dev = new AudioDevice();
-      Player player = new Player(in, dev);
+      Player player = new Player(dev);
       player.play();
     } catch (IOException ex) {
       throw new JavaLayerException("Problem playing file " + filename, ex);
-    } 
+    }
   }
 
 }
\ No newline at end of file

diff --git a/Robust/src/Tests/ssJava/mp3decoder/OutputChannels.java b/Robust/src/Tests/ssJava/mp3decoder/OutputChannels.java
index d7d0bf736befb99f263f68a8a2a267e4c357a89b..544dfb25e19e90d0518c7e632b2611ca3fd959e5 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/OutputChannels.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/OutputChannels.java
@@ -18,127 +18,116 @@
  *----------------------------------------------------------------------\r
  */\r
 \r
-\r
-\r
 /**\r
- * A Type-safe representation of the the supported output channel\r
- * constants. \r
+ * A Type-safe representation of the the supported output channel constants.\r
  * \r
- * This class is immutable and, hence, is thread safe. \r
+ * This class is immutable and, hence, is thread safe.\r
  * \r
- * @author     Mat McGowan 12/12/99 \r
- * @since      0.0.7\r
+ * @author Mat McGowan 12/12/99\r
+ * @since 0.0.7\r
  */\r
 @LATTICE("B<T")\r
 @METHODDEFAULT("OUT<IN")\r
-public class OutputChannels\r
-{              \r
+public class OutputChannels {\r
+  /**\r
+   * Flag to indicate output should include both channels.\r
+   */\r
+  public static final int BOTH_CHANNELS = 0;\r
+\r
+  /**\r
+   * Flag to indicate output should include the left channel only.\r
+   */\r
+  public static final int LEFT_CHANNEL = 1;\r
+\r
+  /**\r
+   * Flag to indicate output should include the right channel only.\r
+   */\r
+  public static final int RIGHT_CHANNEL = 2;\r
+\r
   /**\r
-   * Flag to indicate output should include both channels. \r
+   * Flag to indicate output is mono.\r
    */\r
-  public static final int      BOTH_CHANNELS = 0;\r
+  public static final int DOWNMIX_CHANNELS = 3;\r
+\r
+  @LOC("B")\r
+  public static final OutputChannels LEFT = new OutputChannels(LEFT_CHANNEL);\r
+  @LOC("B")\r
+  public static final OutputChannels RIGHT = new OutputChannels(RIGHT_CHANNEL);\r
+  @LOC("B")\r
+  public static final OutputChannels BOTH = new OutputChannels(BOTH_CHANNELS);\r
+  @LOC("B")\r
+  public static final OutputChannels DOWNMIX = new OutputChannels(DOWNMIX_CHANNELS);\r
+\r
+  @LOC("T")\r
+  private/* final */int outputChannels;\r
 \r
   /**\r
-   * Flag to indicate output should include the left channel only. \r
+   * Creates an <code>OutputChannels</code> instance corresponding to the given\r
+   * channel code.\r
+   * \r
+   * @param code\r
+   *          one of the OutputChannels channel code constants.\r
+   * \r
+   * @throws IllegalArgumentException\r
+   *           if code is not a valid channel code.\r
    */\r
-  public static final int      LEFT_CHANNEL = 1;\r
+  static public OutputChannels fromInt(int code) {\r
+    switch (code) {\r
+    case LEFT_CHANNEL:\r
+      return LEFT;\r
+    case RIGHT_CHANNEL:\r
+      return RIGHT;\r
+    case BOTH_CHANNELS:\r
+      return BOTH;\r
+    case DOWNMIX_CHANNELS:\r
+      return DOWNMIX;\r
+    default:\r
+      throw new IllegalArgumentException("Invalid channel code: " + code);\r
+    }\r
+  }\r
+\r
+  public OutputChannels(@LOC("IN") int channels) {\r
+    outputChannels = channels;\r
+\r
+    if (channels < 0 || channels > 3)\r
+      throw new IllegalArgumentException("channels");\r
+  }\r
 \r
   /**\r
-   * Flag to indicate output should include the right channel only. \r
+   * Retrieves the code representing the desired output channels. Will be one of\r
+   * LEFT_CHANNEL, RIGHT_CHANNEL, BOTH_CHANNELS or DOWNMIX_CHANNELS.\r
+   * \r
+   * @return the channel code represented by this instance.\r
    */\r
-  public static final int      RIGHT_CHANNEL = 2;\r
+  public int getChannelsOutputCode() {\r
+    return outputChannels;\r
+  }\r
 \r
   /**\r
-   * Flag to indicate output is mono. \r
+   * Retrieves the number of output channels represented by this channel output\r
+   * type.\r
+   * \r
+   * @return The number of output channels for this channel output type. This\r
+   *         will be 2 for BOTH_CHANNELS only, and 1 for all other types.\r
    */\r
-  public static final int      DOWNMIX_CHANNELS = 3;\r
-\r
-       \r
-        @LOC("B") public static final OutputChannels LEFT = new OutputChannels(LEFT_CHANNEL);\r
-        @LOC("B") public static final OutputChannels RIGHT = new OutputChannels(RIGHT_CHANNEL);\r
-        @LOC("B") public static final OutputChannels BOTH = new OutputChannels(BOTH_CHANNELS);\r
-        @LOC("B") public static final OutputChannels DOWNMIX = new OutputChannels(DOWNMIX_CHANNELS);\r
-                               \r
-       \r
-        @LOC("T") private /*final*/ int        outputChannels;\r
-                       \r
-       /**\r
-        * Creates an <code>OutputChannels</code> instance\r
-        * corresponding to the given channel code.\r
-        * \r
-        * @param       code one of the OutputChannels channel code constants.\r
-        * \r
-        * @throws      IllegalArgumentException if code is not a valid\r
-        *                      channel code. \r
-        */\r
-       static public OutputChannels fromInt(int code)\r
-       {\r
-               switch (code)\r
-               {\r
-               case LEFT_CHANNEL:\r
-                       return LEFT;\r
-               case RIGHT_CHANNEL:\r
-                       return RIGHT;\r
-               case BOTH_CHANNELS:\r
-                       return BOTH;\r
-               case DOWNMIX_CHANNELS:\r
-                       return DOWNMIX;\r
-               default:\r
-                       throw new IllegalArgumentException("Invalid channel code: "+code);\r
-               }\r
-       }\r
-       \r
-        private OutputChannels(@LOC("IN") int channels)\r
-       {\r
-               outputChannels = channels;\r
-                       \r
-               if (channels<0 || channels>3)\r
-                       throw new IllegalArgumentException("channels");\r
-       }\r
-               \r
-       /**\r
-        * Retrieves the code representing the desired output channels.\r
-        * Will be one of LEFT_CHANNEL, RIGHT_CHANNEL, BOTH_CHANNELS\r
-        * or DOWNMIX_CHANNELS.\r
-        * \r
-        * @return the channel code represented by this instance.\r
-        */\r
-       public int getChannelsOutputCode()\r
-       {\r
-               return outputChannels;  \r
-       }\r
-               \r
-       /**\r
-        * Retrieves the number of output channels represented \r
-        * by this channel output type.\r
-        * \r
-        * @return      The number of output channels for this channel output\r
-        *                      type. This will be 2 for BOTH_CHANNELS only, and 1\r
-        *                      for all other types. \r
-        */\r
-       public int getChannelCount()\r
-       {\r
-               int count = (outputChannels==BOTH_CHANNELS) ?  2 : 1;\r
-               return count;\r
-       }\r
-               \r
-               \r
-       public boolean equals(Object o)\r
-       {\r
-               boolean equals = false;\r
-                       \r
-               if (o instanceof OutputChannels)\r
-               {\r
-                       OutputChannels oc = (OutputChannels)o;\r
-                       equals = (oc.outputChannels == outputChannels);\r
-               }\r
-                       \r
-               return equals;\r
-       }\r
-                                                         \r
-       public int hashCode()\r
-       {\r
-               return outputChannels;  \r
-       }\r
-               \r
+  public int getChannelCount() {\r
+    int count = (outputChannels == BOTH_CHANNELS) ? 2 : 1;\r
+    return count;\r
+  }\r
+\r
+  public boolean equals(Object o) {\r
+    boolean equals = false;\r
+\r
+    if (o instanceof OutputChannels) {\r
+      OutputChannels oc = (OutputChannels) o;\r
+      equals = (oc.outputChannels == outputChannels);\r
+    }\r
+\r
+    return equals;\r
+  }\r
+\r
+  public int hashCode() {\r
+    return outputChannels;\r
+  }\r
+\r
 }\r

diff --git a/Robust/src/Tests/ssJava/mp3decoder/Player.java b/Robust/src/Tests/ssJava/mp3decoder/Player.java
index 3d59e83c1b037e37714b7e01e10b7d9155929f6e..2c54b3d741cc763e31dd94a6e9fcf1f0fb202e71 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/Player.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/Player.java
@@ -1,3 +1,5 @@
+import java.awt.image.SampleModel;\r
+\r
 import FileOutputStream;\r
 \r
 /*\r
@@ -41,9 +43,7 @@ public class Player {
   /**\r
    * The MPEG audio bitstream.\r
    */\r
-  // javac blank final bug.\r
-  /* final */@LOC("ST")\r
-  private Bitstream bitstream;\r
+  // private Bitstream bitstream;\r
 \r
   /**\r
    * The MPEG audio decoder.\r
@@ -74,12 +74,12 @@ public class Player {
   /**\r
    * Creates a new <code>Player</code> instance.\r
    */\r
-  public Player(InputStream stream) throws JavaLayerException {\r
-    this(stream, null);\r
+  public Player() throws JavaLayerException {\r
+    this(null);\r
   }\r
 \r
-  public Player(InputStream stream, AudioDevice device) throws JavaLayerException {\r
-    bitstream = new Bitstream(stream);\r
+  public Player(AudioDevice device) throws JavaLayerException {\r
+    // bitstream = new Bitstream(stream);\r
     decoder = new Decoder();\r
 \r
     // if (device!=null)\r
@@ -112,15 +112,11 @@ public class Player {
   public boolean play(@LOC("IN") int frames) throws JavaLayerException {\r
     @LOC("IN") boolean ret = true;\r
 \r
-    // FileOutputStream fos = new FileOutputStream("output.txt");\r
-\r
     int count = 0;\r
     SSJAVA: while (frames-- > 0 && ret) {\r
       ret = decodeFrame();\r
     }\r
 \r
-    // fos.flush();\r
-    // fos.close();\r
     /*\r
      * if (!ret) { // last frame, ensure all data flushed to the audio device.\r
      * AudioDevice out = audio; if (out!=null) { out.flush(); synchronized\r
@@ -183,25 +179,22 @@ public class Player {
       // if (out==null)\r
       // return false;\r
 \r
-      Header h = bitstream.readFrame();\r
+      // Header h = bitstream.readFrame();\r
+      Header h = BitstreamWrapper.readFrame();\r
 \r
       if (h == null)\r
         return false;\r
 \r
-      // eom debug\r
-      // System.out.println("header framesize=" + h.framesize);\r
-      // System.out.println("br total="+h.getBitReserve().hsstell());\r
-      //\r
-\r
-      // sample buffer set when decoder constructed\r
-      @LOC("O") SampleBuffer output = (SampleBuffer) decoder.decodeFrame(h, bitstream);\r
+      // @LOC("O") SampleBuffer output = (SampleBuffer) decoder.decodeFrame(h);\r
+      decoder.decodeFrame(h);\r
 \r
       // eom debug\r
-      int sum=0;\r
-      short[] outbuf = output.getBuffer();\r
-      for (int i = 0; i < output.getBufferLength(); i++) {\r
-//        System.out.println(outbuf[i]);\r
-        sum+=outbuf[i];\r
+      int sum = 0;\r
+      short[] outbuf = SampleBufferWrapper.getOutput().getBuffer();\r
+      // short[] outbuf = output.getBuffer();\r
+      for (int i = 0; i < SampleBufferWrapper.getOutput().getBufferLength(); i++) {\r
+        // System.out.println(outbuf[i]);\r
+        sum += outbuf[i];\r
       }\r
       System.out.println(sum);\r
       //\r

diff --git a/Robust/src/Tests/ssJava/mp3decoder/SampleBufferWrapper.java b/Robust/src/Tests/ssJava/mp3decoder/SampleBufferWrapper.java
new file mode 100644 (file)
index 0000000..45f96ef
--- /dev/null
+++ b/Robust/src/Tests/ssJava/mp3decoder/SampleBufferWrapper.java
@@ -0,0 +1,15 @@
+public class SampleBufferWrapper {
+
+  static SampleBuffer output;
+
+  @TRUST
+  static void init(int freq, int channels) {
+    output = new SampleBuffer(freq, channels);
+  }
+
+  @TRUST
+  static SampleBuffer getOutput() {
+    return output;
+  }
+
+}

diff --git a/Robust/src/Tests/ssJava/mp3decoder/SynthesisFilter.java b/Robust/src/Tests/ssJava/mp3decoder/SynthesisFilter.java
index f9b7a4a23dc3dae0719bf856de04436daa29ffbe..39871d82f4786d8b8b5db9d06a72472c86328ed0 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/SynthesisFilter.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/SynthesisFilter.java
@@ -35,9 +35,11 @@
  * are removed by ignoring higher subbands.\r
  */\r
 final class SynthesisFilter {\r
+  private int vcount = 0;\r
+  private int vidx = 1;\r
   private float[] v1;\r
   private float[] v2;\r
-  private float[] actual_v; // v1 or v2\r
+  // private float[] actual_v; // v1 or v2\r
   private int actual_write_pos; // 0-15\r
   private float[] samples; // 32 new subband samples\r
   private int channel;\r
@@ -63,7 +65,7 @@ final class SynthesisFilter {
    * short values (raw pcm samples are in [-1.0, 1.0], if no violations occur).\r
    */\r
   public SynthesisFilter(int channelnumber, float factor, float[] eq0) {\r
-    \r
+\r
     d16 = splitArray(d, 16);\r
 \r
     v1 = new float[512];\r
@@ -71,14 +73,9 @@ final class SynthesisFilter {
     samples = new float[32];\r
     channel = channelnumber;\r
     scalefactor = factor;\r
-    setEQ(eq);\r
+    // setEQ(eq);\r
     // setQuality(HIGH_QUALITY);\r
 \r
-    reset();\r
-  }\r
-\r
-  public void setEQ(float[] eq0) {\r
-    this.eq = eq0;\r
     if (eq == null) {\r
       eq = new float[32];\r
       for (int i = 0; i < 32; i++)\r
@@ -88,6 +85,17 @@ final class SynthesisFilter {
       throw new IllegalArgumentException("eq0");\r
     }\r
 \r
+    // reset();\r
+\r
+    for (int p = 0; p < 512; p++)\r
+      v1[p] = v2[p] = 0.0f;\r
+\r
+    for (int p2 = 0; p2 < 32; p2++)\r
+      samples[p2] = 0.0f;\r
+\r
+    // actual_v = v1;\r
+    actual_write_pos = 15;\r
+\r
   }\r
 \r
   /*\r
@@ -118,7 +126,7 @@ final class SynthesisFilter {
     for (int p2 = 0; p2 < 32; p2++)\r
       samples[p2] = 0.0f;\r
 \r
-    actual_v = v1;\r
+    // actual_v = v1;\r
     actual_write_pos = 15;\r
   }\r
 \r
@@ -135,25 +143,7 @@ final class SynthesisFilter {
     }\r
   }\r
 \r
-  /**\r
-   * Compute new values via a fast cosine transform.\r
-   */\r
-  private void compute_new_v() {\r
-    // p is fully initialized from x1\r
-    // float[] p = _p;\r
-    // pp is fully initialized from p\r
-    // float[] pp = _pp;\r
-\r
-    // float[] new_v = _new_v;\r
-\r
-    // float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure\r
-    // 3-A.2 in ISO DIS 11172-3\r
-    // float[] p = new float[16];\r
-    // float[] pp = new float[16];\r
-\r
-    /*\r
-     * for (int i=31; i>=0; i--) { new_v[i] = 0.0f; }\r
-     */\r
+  private void compute_new_v2_v1() {\r
 \r
     float new_v0, new_v1, new_v2, new_v3, new_v4, new_v5, new_v6, new_v7, new_v8, new_v9;\r
     float new_v10, new_v11, new_v12, new_v13, new_v14, new_v15, new_v16, new_v17, new_v18, new_v19;\r
@@ -199,40 +189,40 @@ final class SynthesisFilter {
     // float[] p = new float[16];\r
     // float[] pp = new float[16];\r
 \r
-    float[] s = samples;\r
-\r
-    float s0 = s[0];\r
-    float s1 = s[1];\r
-    float s2 = s[2];\r
-    float s3 = s[3];\r
-    float s4 = s[4];\r
-    float s5 = s[5];\r
-    float s6 = s[6];\r
-    float s7 = s[7];\r
-    float s8 = s[8];\r
-    float s9 = s[9];\r
-    float s10 = s[10];\r
-    float s11 = s[11];\r
-    float s12 = s[12];\r
-    float s13 = s[13];\r
-    float s14 = s[14];\r
-    float s15 = s[15];\r
-    float s16 = s[16];\r
-    float s17 = s[17];\r
-    float s18 = s[18];\r
-    float s19 = s[19];\r
-    float s20 = s[20];\r
-    float s21 = s[21];\r
-    float s22 = s[22];\r
-    float s23 = s[23];\r
-    float s24 = s[24];\r
-    float s25 = s[25];\r
-    float s26 = s[26];\r
-    float s27 = s[27];\r
-    float s28 = s[28];\r
-    float s29 = s[29];\r
-    float s30 = s[30];\r
-    float s31 = s[31];\r
+    // float[] s = samples;\r
+\r
+    float s0 = samples[0];\r
+    float s1 = samples[1];\r
+    float s2 = samples[2];\r
+    float s3 = samples[3];\r
+    float s4 = samples[4];\r
+    float s5 = samples[5];\r
+    float s6 = samples[6];\r
+    float s7 = samples[7];\r
+    float s8 = samples[8];\r
+    float s9 = samples[9];\r
+    float s10 = samples[10];\r
+    float s11 = samples[11];\r
+    float s12 = samples[12];\r
+    float s13 = samples[13];\r
+    float s14 = samples[14];\r
+    float s15 = samples[15];\r
+    float s16 = samples[16];\r
+    float s17 = samples[17];\r
+    float s18 = samples[18];\r
+    float s19 = samples[19];\r
+    float s20 = samples[20];\r
+    float s21 = samples[21];\r
+    float s22 = samples[22];\r
+    float s23 = samples[23];\r
+    float s24 = samples[24];\r
+    float s25 = samples[25];\r
+    float s26 = samples[26];\r
+    float s27 = samples[27];\r
+    float s28 = samples[28];\r
+    float s29 = samples[29];\r
+    float s30 = samples[30];\r
+    float s31 = samples[31];\r
 \r
     float p0 = s0 + s31;\r
     float p1 = s1 + s30;\r
@@ -434,379 +424,447 @@ final class SynthesisFilter {
 \r
     // insert V[0-15] (== new_v[0-15]) into actual v:\r
     // float[] x2 = actual_v + actual_write_pos;\r
-    float dest[] = actual_v;\r
+    // float dest[] = actual_v; v2\r
 \r
     int pos = actual_write_pos;\r
 \r
-    dest[0 + pos] = new_v0;\r
-    dest[16 + pos] = new_v1;\r
-    dest[32 + pos] = new_v2;\r
-    dest[48 + pos] = new_v3;\r
-    dest[64 + pos] = new_v4;\r
-    dest[80 + pos] = new_v5;\r
-    dest[96 + pos] = new_v6;\r
-    dest[112 + pos] = new_v7;\r
-    dest[128 + pos] = new_v8;\r
-    dest[144 + pos] = new_v9;\r
-    dest[160 + pos] = new_v10;\r
-    dest[176 + pos] = new_v11;\r
-    dest[192 + pos] = new_v12;\r
-    dest[208 + pos] = new_v13;\r
-    dest[224 + pos] = new_v14;\r
-    dest[240 + pos] = new_v15;\r
+    v2[0 + pos] = new_v0;\r
+    v2[16 + pos] = new_v1;\r
+    v2[32 + pos] = new_v2;\r
+    v2[48 + pos] = new_v3;\r
+    v2[64 + pos] = new_v4;\r
+    v2[80 + pos] = new_v5;\r
+    v2[96 + pos] = new_v6;\r
+    v2[112 + pos] = new_v7;\r
+    v2[128 + pos] = new_v8;\r
+    v2[144 + pos] = new_v9;\r
+    v2[160 + pos] = new_v10;\r
+    v2[176 + pos] = new_v11;\r
+    v2[192 + pos] = new_v12;\r
+    v2[208 + pos] = new_v13;\r
+    v2[224 + pos] = new_v14;\r
+    v2[240 + pos] = new_v15;\r
 \r
     // V[16] is always 0.0:\r
-    dest[256 + pos] = 0.0f;\r
+    v2[256 + pos] = 0.0f;\r
 \r
     // insert V[17-31] (== -new_v[15-1]) into actual v:\r
-    dest[272 + pos] = -new_v15;\r
-    dest[288 + pos] = -new_v14;\r
-    dest[304 + pos] = -new_v13;\r
-    dest[320 + pos] = -new_v12;\r
-    dest[336 + pos] = -new_v11;\r
-    dest[352 + pos] = -new_v10;\r
-    dest[368 + pos] = -new_v9;\r
-    dest[384 + pos] = -new_v8;\r
-    dest[400 + pos] = -new_v7;\r
-    dest[416 + pos] = -new_v6;\r
-    dest[432 + pos] = -new_v5;\r
-    dest[448 + pos] = -new_v4;\r
-    dest[464 + pos] = -new_v3;\r
-    dest[480 + pos] = -new_v2;\r
-    dest[496 + pos] = -new_v1;\r
+    v2[272 + pos] = -new_v15;\r
+    v2[288 + pos] = -new_v14;\r
+    v2[304 + pos] = -new_v13;\r
+    v2[320 + pos] = -new_v12;\r
+    v2[336 + pos] = -new_v11;\r
+    v2[352 + pos] = -new_v10;\r
+    v2[368 + pos] = -new_v9;\r
+    v2[384 + pos] = -new_v8;\r
+    v2[400 + pos] = -new_v7;\r
+    v2[416 + pos] = -new_v6;\r
+    v2[432 + pos] = -new_v5;\r
+    v2[448 + pos] = -new_v4;\r
+    v2[464 + pos] = -new_v3;\r
+    v2[480 + pos] = -new_v2;\r
+    v2[496 + pos] = -new_v1;\r
 \r
     // insert V[32] (== -new_v[0]) into other v:\r
-    dest = (actual_v == v1) ? v2 : v1;\r
+    // dest = (actual_v == v1) ? v2 : v1;\r
 \r
-    dest[0 + pos] = -new_v0;\r
+    v1[0 + pos] = -new_v0;\r
     // insert V[33-48] (== new_v[16-31]) into other v:\r
-    dest[16 + pos] = new_v16;\r
-    dest[32 + pos] = new_v17;\r
-    dest[48 + pos] = new_v18;\r
-    dest[64 + pos] = new_v19;\r
-    dest[80 + pos] = new_v20;\r
-    dest[96 + pos] = new_v21;\r
-    dest[112 + pos] = new_v22;\r
-    dest[128 + pos] = new_v23;\r
-    dest[144 + pos] = new_v24;\r
-    dest[160 + pos] = new_v25;\r
-    dest[176 + pos] = new_v26;\r
-    dest[192 + pos] = new_v27;\r
-    dest[208 + pos] = new_v28;\r
-    dest[224 + pos] = new_v29;\r
-    dest[240 + pos] = new_v30;\r
-    dest[256 + pos] = new_v31;\r
+    v1[16 + pos] = new_v16;\r
+    v1[32 + pos] = new_v17;\r
+    v1[48 + pos] = new_v18;\r
+    v1[64 + pos] = new_v19;\r
+    v1[80 + pos] = new_v20;\r
+    v1[96 + pos] = new_v21;\r
+    v1[112 + pos] = new_v22;\r
+    v1[128 + pos] = new_v23;\r
+    v1[144 + pos] = new_v24;\r
+    v1[160 + pos] = new_v25;\r
+    v1[176 + pos] = new_v26;\r
+    v1[192 + pos] = new_v27;\r
+    v1[208 + pos] = new_v28;\r
+    v1[224 + pos] = new_v29;\r
+    v1[240 + pos] = new_v30;\r
+    v1[256 + pos] = new_v31;\r
 \r
     // insert V[49-63] (== new_v[30-16]) into other v:\r
-    dest[272 + pos] = new_v30;\r
-    dest[288 + pos] = new_v29;\r
-    dest[304 + pos] = new_v28;\r
-    dest[320 + pos] = new_v27;\r
-    dest[336 + pos] = new_v26;\r
-    dest[352 + pos] = new_v25;\r
-    dest[368 + pos] = new_v24;\r
-    dest[384 + pos] = new_v23;\r
-    dest[400 + pos] = new_v22;\r
-    dest[416 + pos] = new_v21;\r
-    dest[432 + pos] = new_v20;\r
-    dest[448 + pos] = new_v19;\r
-    dest[464 + pos] = new_v18;\r
-    dest[480 + pos] = new_v17;\r
-    dest[496 + pos] = new_v16;\r
-    /*\r
-     * } else { v1[0 + actual_write_pos] = -new_v0; // insert V[33-48] (==\r
-     * new_v[16-31]) into other v: v1[16 + actual_write_pos] = new_v16; v1[32 +\r
-     * actual_write_pos] = new_v17; v1[48 + actual_write_pos] = new_v18; v1[64 +\r
-     * actual_write_pos] = new_v19; v1[80 + actual_write_pos] = new_v20; v1[96 +\r
-     * actual_write_pos] = new_v21; v1[112 + actual_write_pos] = new_v22; v1[128\r
-     * + actual_write_pos] = new_v23; v1[144 + actual_write_pos] = new_v24;\r
-     * v1[160 + actual_write_pos] = new_v25; v1[176 + actual_write_pos] =\r
-     * new_v26; v1[192 + actual_write_pos] = new_v27; v1[208 + actual_write_pos]\r
-     * = new_v28; v1[224 + actual_write_pos] = new_v29; v1[240 +\r
-     * actual_write_pos] = new_v30; v1[256 + actual_write_pos] = new_v31;\r
-     * \r
-     * // insert V[49-63] (== new_v[30-16]) into other v: v1[272 +\r
-     * actual_write_pos] = new_v30; v1[288 + actual_write_pos] = new_v29; v1[304\r
-     * + actual_write_pos] = new_v28; v1[320 + actual_write_pos] = new_v27;\r
-     * v1[336 + actual_write_pos] = new_v26; v1[352 + actual_write_pos] =\r
-     * new_v25; v1[368 + actual_write_pos] = new_v24; v1[384 + actual_write_pos]\r
-     * = new_v23; v1[400 + actual_write_pos] = new_v22; v1[416 +\r
-     * actual_write_pos] = new_v21; v1[432 + actual_write_pos] = new_v20; v1[448\r
-     * + actual_write_pos] = new_v19; v1[464 + actual_write_pos] = new_v18;\r
-     * v1[480 + actual_write_pos] = new_v17; v1[496 + actual_write_pos] =\r
-     * new_v16; }\r
-     */\r
+    v1[272 + pos] = new_v30;\r
+    v1[288 + pos] = new_v29;\r
+    v1[304 + pos] = new_v28;\r
+    v1[320 + pos] = new_v27;\r
+    v1[336 + pos] = new_v26;\r
+    v1[352 + pos] = new_v25;\r
+    v1[368 + pos] = new_v24;\r
+    v1[384 + pos] = new_v23;\r
+    v1[400 + pos] = new_v22;\r
+    v1[416 + pos] = new_v21;\r
+    v1[432 + pos] = new_v20;\r
+    v1[448 + pos] = new_v19;\r
+    v1[464 + pos] = new_v18;\r
+    v1[480 + pos] = new_v17;\r
+    v1[496 + pos] = new_v16;\r
   }\r
 \r
-  /**\r
-   * Compute new values via a fast cosine transform.\r
-   */\r
-  private void compute_new_v_old() {\r
-    // p is fully initialized from x1\r
-    // float[] p = _p;\r
-    // pp is fully initialized from p\r
-    // float[] pp = _pp;\r
-\r
-    // float[] new_v = _new_v;\r
+  private void compute_new_v1_v2() {\r
 \r
-    float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure 3-A.2\r
-                                   // in ISO DIS 11172-3\r
-    float[] p = new float[16];\r
-    float[] pp = new float[16];\r
+    float new_v0, new_v1, new_v2, new_v3, new_v4, new_v5, new_v6, new_v7, new_v8, new_v9;\r
+    float new_v10, new_v11, new_v12, new_v13, new_v14, new_v15, new_v16, new_v17, new_v18, new_v19;\r
+    float new_v20, new_v21, new_v22, new_v23, new_v24, new_v25, new_v26, new_v27, new_v28, new_v29;\r
+    float new_v30, new_v31;\r
 \r
-    for (int i = 31; i >= 0; i--) {\r
-      new_v[i] = 0.0f;\r
-    }\r
+    new_v0 =\r
+        new_v1 =\r
+            new_v2 =\r
+                new_v3 =\r
+                    new_v4 =\r
+                        new_v5 =\r
+                            new_v6 =\r
+                                new_v7 =\r
+                                    new_v8 =\r
+                                        new_v9 =\r
+                                            new_v10 =\r
+                                                new_v11 =\r
+                                                    new_v12 =\r
+                                                        new_v13 =\r
+                                                            new_v14 =\r
+                                                                new_v15 =\r
+                                                                    new_v16 =\r
+                                                                        new_v17 =\r
+                                                                            new_v18 =\r
+                                                                                new_v19 =\r
+                                                                                    new_v20 =\r
+                                                                                        new_v21 =\r
+                                                                                            new_v22 =\r
+                                                                                                new_v23 =\r
+                                                                                                    new_v24 =\r
+                                                                                                        new_v25 =\r
+                                                                                                            new_v26 =\r
+                                                                                                                new_v27 =\r
+                                                                                                                    new_v28 =\r
+                                                                                                                        new_v29 =\r
+                                                                                                                            new_v30 =\r
+                                                                                                                                new_v31 =\r
+                                                                                                                                    0.0f;\r
 \r
     // float[] new_v = new float[32]; // new V[0-15] and V[33-48] of Figure\r
     // 3-A.2 in ISO DIS 11172-3\r
     // float[] p = new float[16];\r
     // float[] pp = new float[16];\r
 \r
-    float[] x1 = samples;\r
-\r
-    p[0] = x1[0] + x1[31];\r
-    p[1] = x1[1] + x1[30];\r
-    p[2] = x1[2] + x1[29];\r
-    p[3] = x1[3] + x1[28];\r
-    p[4] = x1[4] + x1[27];\r
-    p[5] = x1[5] + x1[26];\r
-    p[6] = x1[6] + x1[25];\r
-    p[7] = x1[7] + x1[24];\r
-    p[8] = x1[8] + x1[23];\r
-    p[9] = x1[9] + x1[22];\r
-    p[10] = x1[10] + x1[21];\r
-    p[11] = x1[11] + x1[20];\r
-    p[12] = x1[12] + x1[19];\r
-    p[13] = x1[13] + x1[18];\r
-    p[14] = x1[14] + x1[17];\r
-    p[15] = x1[15] + x1[16];\r
-\r
-    pp[0] = p[0] + p[15];\r
-    pp[1] = p[1] + p[14];\r
-    pp[2] = p[2] + p[13];\r
-    pp[3] = p[3] + p[12];\r
-    pp[4] = p[4] + p[11];\r
-    pp[5] = p[5] + p[10];\r
-    pp[6] = p[6] + p[9];\r
-    pp[7] = p[7] + p[8];\r
-    pp[8] = (p[0] - p[15]) * cos1_32;\r
-    pp[9] = (p[1] - p[14]) * cos3_32;\r
-    pp[10] = (p[2] - p[13]) * cos5_32;\r
-    pp[11] = (p[3] - p[12]) * cos7_32;\r
-    pp[12] = (p[4] - p[11]) * cos9_32;\r
-    pp[13] = (p[5] - p[10]) * cos11_32;\r
-    pp[14] = (p[6] - p[9]) * cos13_32;\r
-    pp[15] = (p[7] - p[8]) * cos15_32;\r
-\r
-    p[0] = pp[0] + pp[7];\r
-    p[1] = pp[1] + pp[6];\r
-    p[2] = pp[2] + pp[5];\r
-    p[3] = pp[3] + pp[4];\r
-    p[4] = (pp[0] - pp[7]) * cos1_16;\r
-    p[5] = (pp[1] - pp[6]) * cos3_16;\r
-    p[6] = (pp[2] - pp[5]) * cos5_16;\r
-    p[7] = (pp[3] - pp[4]) * cos7_16;\r
-    p[8] = pp[8] + pp[15];\r
-    p[9] = pp[9] + pp[14];\r
-    p[10] = pp[10] + pp[13];\r
-    p[11] = pp[11] + pp[12];\r
-    p[12] = (pp[8] - pp[15]) * cos1_16;\r
-    p[13] = (pp[9] - pp[14]) * cos3_16;\r
-    p[14] = (pp[10] - pp[13]) * cos5_16;\r
-    p[15] = (pp[11] - pp[12]) * cos7_16;\r
-\r
-    pp[0] = p[0] + p[3];\r
-    pp[1] = p[1] + p[2];\r
-    pp[2] = (p[0] - p[3]) * cos1_8;\r
-    pp[3] = (p[1] - p[2]) * cos3_8;\r
-    pp[4] = p[4] + p[7];\r
-    pp[5] = p[5] + p[6];\r
-    pp[6] = (p[4] - p[7]) * cos1_8;\r
-    pp[7] = (p[5] - p[6]) * cos3_8;\r
-    pp[8] = p[8] + p[11];\r
-    pp[9] = p[9] + p[10];\r
-    pp[10] = (p[8] - p[11]) * cos1_8;\r
-    pp[11] = (p[9] - p[10]) * cos3_8;\r
-    pp[12] = p[12] + p[15];\r
-    pp[13] = p[13] + p[14];\r
-    pp[14] = (p[12] - p[15]) * cos1_8;\r
-    pp[15] = (p[13] - p[14]) * cos3_8;\r
-\r
-    p[0] = pp[0] + pp[1];\r
-    p[1] = (pp[0] - pp[1]) * cos1_4;\r
-    p[2] = pp[2] + pp[3];\r
-    p[3] = (pp[2] - pp[3]) * cos1_4;\r
-    p[4] = pp[4] + pp[5];\r
-    p[5] = (pp[4] - pp[5]) * cos1_4;\r
-    p[6] = pp[6] + pp[7];\r
-    p[7] = (pp[6] - pp[7]) * cos1_4;\r
-    p[8] = pp[8] + pp[9];\r
-    p[9] = (pp[8] - pp[9]) * cos1_4;\r
-    p[10] = pp[10] + pp[11];\r
-    p[11] = (pp[10] - pp[11]) * cos1_4;\r
-    p[12] = pp[12] + pp[13];\r
-    p[13] = (pp[12] - pp[13]) * cos1_4;\r
-    p[14] = pp[14] + pp[15];\r
-    p[15] = (pp[14] - pp[15]) * cos1_4;\r
+    // float[] s = samples;\r
+\r
+    float s0 = samples[0];\r
+    float s1 = samples[1];\r
+    float s2 = samples[2];\r
+    float s3 = samples[3];\r
+    float s4 = samples[4];\r
+    float s5 = samples[5];\r
+    float s6 = samples[6];\r
+    float s7 = samples[7];\r
+    float s8 = samples[8];\r
+    float s9 = samples[9];\r
+    float s10 = samples[10];\r
+    float s11 = samples[11];\r
+    float s12 = samples[12];\r
+    float s13 = samples[13];\r
+    float s14 = samples[14];\r
+    float s15 = samples[15];\r
+    float s16 = samples[16];\r
+    float s17 = samples[17];\r
+    float s18 = samples[18];\r
+    float s19 = samples[19];\r
+    float s20 = samples[20];\r
+    float s21 = samples[21];\r
+    float s22 = samples[22];\r
+    float s23 = samples[23];\r
+    float s24 = samples[24];\r
+    float s25 = samples[25];\r
+    float s26 = samples[26];\r
+    float s27 = samples[27];\r
+    float s28 = samples[28];\r
+    float s29 = samples[29];\r
+    float s30 = samples[30];\r
+    float s31 = samples[31];\r
+\r
+    float p0 = s0 + s31;\r
+    float p1 = s1 + s30;\r
+    float p2 = s2 + s29;\r
+    float p3 = s3 + s28;\r
+    float p4 = s4 + s27;\r
+    float p5 = s5 + s26;\r
+    float p6 = s6 + s25;\r
+    float p7 = s7 + s24;\r
+    float p8 = s8 + s23;\r
+    float p9 = s9 + s22;\r
+    float p10 = s10 + s21;\r
+    float p11 = s11 + s20;\r
+    float p12 = s12 + s19;\r
+    float p13 = s13 + s18;\r
+    float p14 = s14 + s17;\r
+    float p15 = s15 + s16;\r
+\r
+    float pp0 = p0 + p15;\r
+    float pp1 = p1 + p14;\r
+    float pp2 = p2 + p13;\r
+    float pp3 = p3 + p12;\r
+    float pp4 = p4 + p11;\r
+    float pp5 = p5 + p10;\r
+    float pp6 = p6 + p9;\r
+    float pp7 = p7 + p8;\r
+    float pp8 = (p0 - p15) * cos1_32;\r
+    float pp9 = (p1 - p14) * cos3_32;\r
+    float pp10 = (p2 - p13) * cos5_32;\r
+    float pp11 = (p3 - p12) * cos7_32;\r
+    float pp12 = (p4 - p11) * cos9_32;\r
+    float pp13 = (p5 - p10) * cos11_32;\r
+    float pp14 = (p6 - p9) * cos13_32;\r
+    float pp15 = (p7 - p8) * cos15_32;\r
+\r
+    p0 = pp0 + pp7;\r
+    p1 = pp1 + pp6;\r
+    p2 = pp2 + pp5;\r
+    p3 = pp3 + pp4;\r
+    p4 = (pp0 - pp7) * cos1_16;\r
+    p5 = (pp1 - pp6) * cos3_16;\r
+    p6 = (pp2 - pp5) * cos5_16;\r
+    p7 = (pp3 - pp4) * cos7_16;\r
+    p8 = pp8 + pp15;\r
+    p9 = pp9 + pp14;\r
+    p10 = pp10 + pp13;\r
+    p11 = pp11 + pp12;\r
+    p12 = (pp8 - pp15) * cos1_16;\r
+    p13 = (pp9 - pp14) * cos3_16;\r
+    p14 = (pp10 - pp13) * cos5_16;\r
+    p15 = (pp11 - pp12) * cos7_16;\r
+\r
+    pp0 = p0 + p3;\r
+    pp1 = p1 + p2;\r
+    pp2 = (p0 - p3) * cos1_8;\r
+    pp3 = (p1 - p2) * cos3_8;\r
+    pp4 = p4 + p7;\r
+    pp5 = p5 + p6;\r
+    pp6 = (p4 - p7) * cos1_8;\r
+    pp7 = (p5 - p6) * cos3_8;\r
+    pp8 = p8 + p11;\r
+    pp9 = p9 + p10;\r
+    pp10 = (p8 - p11) * cos1_8;\r
+    pp11 = (p9 - p10) * cos3_8;\r
+    pp12 = p12 + p15;\r
+    pp13 = p13 + p14;\r
+    pp14 = (p12 - p15) * cos1_8;\r
+    pp15 = (p13 - p14) * cos3_8;\r
+\r
+    p0 = pp0 + pp1;\r
+    p1 = (pp0 - pp1) * cos1_4;\r
+    p2 = pp2 + pp3;\r
+    p3 = (pp2 - pp3) * cos1_4;\r
+    p4 = pp4 + pp5;\r
+    p5 = (pp4 - pp5) * cos1_4;\r
+    p6 = pp6 + pp7;\r
+    p7 = (pp6 - pp7) * cos1_4;\r
+    p8 = pp8 + pp9;\r
+    p9 = (pp8 - pp9) * cos1_4;\r
+    p10 = pp10 + pp11;\r
+    p11 = (pp10 - pp11) * cos1_4;\r
+    p12 = pp12 + pp13;\r
+    p13 = (pp12 - pp13) * cos1_4;\r
+    p14 = pp14 + pp15;\r
+    p15 = (pp14 - pp15) * cos1_4;\r
 \r
     // this is pretty insane coding\r
     float tmp1;\r
-    new_v[36 - 17] = -(new_v[4] = (new_v[12] = p[7]) + p[5]) - p[6];\r
-    new_v[44 - 17] = -p[6] - p[7] - p[4];\r
-    new_v[6] = (new_v[10] = (new_v[14] = p[15]) + p[11]) + p[13];\r
-    new_v[34 - 17] = -(new_v[2] = p[15] + p[13] + p[9]) - p[14];\r
-    new_v[38 - 17] = (tmp1 = -p[14] - p[15] - p[10] - p[11]) - p[13];\r
-    new_v[46 - 17] = -p[14] - p[15] - p[12] - p[8];\r
-    new_v[42 - 17] = tmp1 - p[12];\r
-    new_v[48 - 17] = -p[0];\r
-    new_v[0] = p[1];\r
-    new_v[40 - 17] = -(new_v[8] = p[3]) - p[2];\r
-\r
-    p[0] = (x1[0] - x1[31]) * cos1_64;\r
-    p[1] = (x1[1] - x1[30]) * cos3_64;\r
-    p[2] = (x1[2] - x1[29]) * cos5_64;\r
-    p[3] = (x1[3] - x1[28]) * cos7_64;\r
-    p[4] = (x1[4] - x1[27]) * cos9_64;\r
-    p[5] = (x1[5] - x1[26]) * cos11_64;\r
-    p[6] = (x1[6] - x1[25]) * cos13_64;\r
-    p[7] = (x1[7] - x1[24]) * cos15_64;\r
-    p[8] = (x1[8] - x1[23]) * cos17_64;\r
-    p[9] = (x1[9] - x1[22]) * cos19_64;\r
-    p[10] = (x1[10] - x1[21]) * cos21_64;\r
-    p[11] = (x1[11] - x1[20]) * cos23_64;\r
-    p[12] = (x1[12] - x1[19]) * cos25_64;\r
-    p[13] = (x1[13] - x1[18]) * cos27_64;\r
-    p[14] = (x1[14] - x1[17]) * cos29_64;\r
-    p[15] = (x1[15] - x1[16]) * cos31_64;\r
-\r
-    pp[0] = p[0] + p[15];\r
-    pp[1] = p[1] + p[14];\r
-    pp[2] = p[2] + p[13];\r
-    pp[3] = p[3] + p[12];\r
-    pp[4] = p[4] + p[11];\r
-    pp[5] = p[5] + p[10];\r
-    pp[6] = p[6] + p[9];\r
-    pp[7] = p[7] + p[8];\r
-    pp[8] = (p[0] - p[15]) * cos1_32;\r
-    pp[9] = (p[1] - p[14]) * cos3_32;\r
-    pp[10] = (p[2] - p[13]) * cos5_32;\r
-    pp[11] = (p[3] - p[12]) * cos7_32;\r
-    pp[12] = (p[4] - p[11]) * cos9_32;\r
-    pp[13] = (p[5] - p[10]) * cos11_32;\r
-    pp[14] = (p[6] - p[9]) * cos13_32;\r
-    pp[15] = (p[7] - p[8]) * cos15_32;\r
-\r
-    p[0] = pp[0] + pp[7];\r
-    p[1] = pp[1] + pp[6];\r
-    p[2] = pp[2] + pp[5];\r
-    p[3] = pp[3] + pp[4];\r
-    p[4] = (pp[0] - pp[7]) * cos1_16;\r
-    p[5] = (pp[1] - pp[6]) * cos3_16;\r
-    p[6] = (pp[2] - pp[5]) * cos5_16;\r
-    p[7] = (pp[3] - pp[4]) * cos7_16;\r
-    p[8] = pp[8] + pp[15];\r
-    p[9] = pp[9] + pp[14];\r
-    p[10] = pp[10] + pp[13];\r
-    p[11] = pp[11] + pp[12];\r
-    p[12] = (pp[8] - pp[15]) * cos1_16;\r
-    p[13] = (pp[9] - pp[14]) * cos3_16;\r
-    p[14] = (pp[10] - pp[13]) * cos5_16;\r
-    p[15] = (pp[11] - pp[12]) * cos7_16;\r
-\r
-    pp[0] = p[0] + p[3];\r
-    pp[1] = p[1] + p[2];\r
-    pp[2] = (p[0] - p[3]) * cos1_8;\r
-    pp[3] = (p[1] - p[2]) * cos3_8;\r
-    pp[4] = p[4] + p[7];\r
-    pp[5] = p[5] + p[6];\r
-    pp[6] = (p[4] - p[7]) * cos1_8;\r
-    pp[7] = (p[5] - p[6]) * cos3_8;\r
-    pp[8] = p[8] + p[11];\r
-    pp[9] = p[9] + p[10];\r
-    pp[10] = (p[8] - p[11]) * cos1_8;\r
-    pp[11] = (p[9] - p[10]) * cos3_8;\r
-    pp[12] = p[12] + p[15];\r
-    pp[13] = p[13] + p[14];\r
-    pp[14] = (p[12] - p[15]) * cos1_8;\r
-    pp[15] = (p[13] - p[14]) * cos3_8;\r
-\r
-    p[0] = pp[0] + pp[1];\r
-    p[1] = (pp[0] - pp[1]) * cos1_4;\r
-    p[2] = pp[2] + pp[3];\r
-    p[3] = (pp[2] - pp[3]) * cos1_4;\r
-    p[4] = pp[4] + pp[5];\r
-    p[5] = (pp[4] - pp[5]) * cos1_4;\r
-    p[6] = pp[6] + pp[7];\r
-    p[7] = (pp[6] - pp[7]) * cos1_4;\r
-    p[8] = pp[8] + pp[9];\r
-    p[9] = (pp[8] - pp[9]) * cos1_4;\r
-    p[10] = pp[10] + pp[11];\r
-    p[11] = (pp[10] - pp[11]) * cos1_4;\r
-    p[12] = pp[12] + pp[13];\r
-    p[13] = (pp[12] - pp[13]) * cos1_4;\r
-    p[14] = pp[14] + pp[15];\r
-    p[15] = (pp[14] - pp[15]) * cos1_4;\r
+    new_v19/* 36-17 */= -(new_v4 = (new_v12 = p7) + p5) - p6;\r
+    new_v27/* 44-17 */= -p6 - p7 - p4;\r
+    new_v6 = (new_v10 = (new_v14 = p15) + p11) + p13;\r
+    new_v17/* 34-17 */= -(new_v2 = p15 + p13 + p9) - p14;\r
+    new_v21/* 38-17 */= (tmp1 = -p14 - p15 - p10 - p11) - p13;\r
+    new_v29/* 46-17 */= -p14 - p15 - p12 - p8;\r
+    new_v25/* 42-17 */= tmp1 - p12;\r
+    new_v31/* 48-17 */= -p0;\r
+    new_v0 = p1;\r
+    new_v23/* 40-17 */= -(new_v8 = p3) - p2;\r
+\r
+    p0 = (s0 - s31) * cos1_64;\r
+    p1 = (s1 - s30) * cos3_64;\r
+    p2 = (s2 - s29) * cos5_64;\r
+    p3 = (s3 - s28) * cos7_64;\r
+    p4 = (s4 - s27) * cos9_64;\r
+    p5 = (s5 - s26) * cos11_64;\r
+    p6 = (s6 - s25) * cos13_64;\r
+    p7 = (s7 - s24) * cos15_64;\r
+    p8 = (s8 - s23) * cos17_64;\r
+    p9 = (s9 - s22) * cos19_64;\r
+    p10 = (s10 - s21) * cos21_64;\r
+    p11 = (s11 - s20) * cos23_64;\r
+    p12 = (s12 - s19) * cos25_64;\r
+    p13 = (s13 - s18) * cos27_64;\r
+    p14 = (s14 - s17) * cos29_64;\r
+    p15 = (s15 - s16) * cos31_64;\r
+\r
+    pp0 = p0 + p15;\r
+    pp1 = p1 + p14;\r
+    pp2 = p2 + p13;\r
+    pp3 = p3 + p12;\r
+    pp4 = p4 + p11;\r
+    pp5 = p5 + p10;\r
+    pp6 = p6 + p9;\r
+    pp7 = p7 + p8;\r
+    pp8 = (p0 - p15) * cos1_32;\r
+    pp9 = (p1 - p14) * cos3_32;\r
+    pp10 = (p2 - p13) * cos5_32;\r
+    pp11 = (p3 - p12) * cos7_32;\r
+    pp12 = (p4 - p11) * cos9_32;\r
+    pp13 = (p5 - p10) * cos11_32;\r
+    pp14 = (p6 - p9) * cos13_32;\r
+    pp15 = (p7 - p8) * cos15_32;\r
+\r
+    p0 = pp0 + pp7;\r
+    p1 = pp1 + pp6;\r
+    p2 = pp2 + pp5;\r
+    p3 = pp3 + pp4;\r
+    p4 = (pp0 - pp7) * cos1_16;\r
+    p5 = (pp1 - pp6) * cos3_16;\r
+    p6 = (pp2 - pp5) * cos5_16;\r
+    p7 = (pp3 - pp4) * cos7_16;\r
+    p8 = pp8 + pp15;\r
+    p9 = pp9 + pp14;\r
+    p10 = pp10 + pp13;\r
+    p11 = pp11 + pp12;\r
+    p12 = (pp8 - pp15) * cos1_16;\r
+    p13 = (pp9 - pp14) * cos3_16;\r
+    p14 = (pp10 - pp13) * cos5_16;\r
+    p15 = (pp11 - pp12) * cos7_16;\r
+\r
+    pp0 = p0 + p3;\r
+    pp1 = p1 + p2;\r
+    pp2 = (p0 - p3) * cos1_8;\r
+    pp3 = (p1 - p2) * cos3_8;\r
+    pp4 = p4 + p7;\r
+    pp5 = p5 + p6;\r
+    pp6 = (p4 - p7) * cos1_8;\r
+    pp7 = (p5 - p6) * cos3_8;\r
+    pp8 = p8 + p11;\r
+    pp9 = p9 + p10;\r
+    pp10 = (p8 - p11) * cos1_8;\r
+    pp11 = (p9 - p10) * cos3_8;\r
+    pp12 = p12 + p15;\r
+    pp13 = p13 + p14;\r
+    pp14 = (p12 - p15) * cos1_8;\r
+    pp15 = (p13 - p14) * cos3_8;\r
+\r
+    p0 = pp0 + pp1;\r
+    p1 = (pp0 - pp1) * cos1_4;\r
+    p2 = pp2 + pp3;\r
+    p3 = (pp2 - pp3) * cos1_4;\r
+    p4 = pp4 + pp5;\r
+    p5 = (pp4 - pp5) * cos1_4;\r
+    p6 = pp6 + pp7;\r
+    p7 = (pp6 - pp7) * cos1_4;\r
+    p8 = pp8 + pp9;\r
+    p9 = (pp8 - pp9) * cos1_4;\r
+    p10 = pp10 + pp11;\r
+    p11 = (pp10 - pp11) * cos1_4;\r
+    p12 = pp12 + pp13;\r
+    p13 = (pp12 - pp13) * cos1_4;\r
+    p14 = pp14 + pp15;\r
+    p15 = (pp14 - pp15) * cos1_4;\r
 \r
     // manually doing something that a compiler should handle sucks\r
     // coding like this is hard to read\r
     float tmp2;\r
-    new_v[5] = (new_v[11] = (new_v[13] = (new_v[15] = p[15]) + p[7]) + p[11]) + p[5] + p[13];\r
-    new_v[7] = (new_v[9] = p[15] + p[11] + p[3]) + p[13];\r
-    new_v[33 - 17] = -(new_v[1] = (tmp1 = p[13] + p[15] + p[9]) + p[1]) - p[14];\r
-    new_v[35 - 17] = -(new_v[3] = tmp1 + p[5] + p[7]) - p[6] - p[14];\r
-\r
-    new_v[39 - 17] = (tmp1 = -p[10] - p[11] - p[14] - p[15]) - p[13] - p[2] - p[3];\r
-    new_v[37 - 17] = tmp1 - p[13] - p[5] - p[6] - p[7];\r
-    new_v[41 - 17] = tmp1 - p[12] - p[2] - p[3];\r
-    new_v[43 - 17] = tmp1 - p[12] - (tmp2 = p[4] + p[6] + p[7]);\r
-    new_v[47 - 17] = (tmp1 = -p[8] - p[12] - p[14] - p[15]) - p[0];\r
-    new_v[45 - 17] = tmp1 - tmp2;\r
+    new_v5 = (new_v11 = (new_v13 = (new_v15 = p15) + p7) + p11) + p5 + p13;\r
+    new_v7 = (new_v9 = p15 + p11 + p3) + p13;\r
+    new_v16/* 33-17 */= -(new_v1 = (tmp1 = p13 + p15 + p9) + p1) - p14;\r
+    new_v18/* 35-17 */= -(new_v3 = tmp1 + p5 + p7) - p6 - p14;\r
+\r
+    new_v22/* 39-17 */= (tmp1 = -p10 - p11 - p14 - p15) - p13 - p2 - p3;\r
+    new_v20/* 37-17 */= tmp1 - p13 - p5 - p6 - p7;\r
+    new_v24/* 41-17 */= tmp1 - p12 - p2 - p3;\r
+    new_v26/* 43-17 */= tmp1 - p12 - (tmp2 = p4 + p6 + p7);\r
+    new_v30/* 47-17 */= (tmp1 = -p8 - p12 - p14 - p15) - p0;\r
+    new_v28/* 45-17 */= tmp1 - tmp2;\r
 \r
     // insert V[0-15] (== new_v[0-15]) into actual v:\r
-    x1 = new_v;\r
     // float[] x2 = actual_v + actual_write_pos;\r
-    float[] dest = actual_v;\r
-\r
-    dest[0 + actual_write_pos] = x1[0];\r
-    dest[16 + actual_write_pos] = x1[1];\r
-    dest[32 + actual_write_pos] = x1[2];\r
-    dest[48 + actual_write_pos] = x1[3];\r
-    dest[64 + actual_write_pos] = x1[4];\r
-    dest[80 + actual_write_pos] = x1[5];\r
-    dest[96 + actual_write_pos] = x1[6];\r
-    dest[112 + actual_write_pos] = x1[7];\r
-    dest[128 + actual_write_pos] = x1[8];\r
-    dest[144 + actual_write_pos] = x1[9];\r
-    dest[160 + actual_write_pos] = x1[10];\r
-    dest[176 + actual_write_pos] = x1[11];\r
-    dest[192 + actual_write_pos] = x1[12];\r
-    dest[208 + actual_write_pos] = x1[13];\r
-    dest[224 + actual_write_pos] = x1[14];\r
-    dest[240 + actual_write_pos] = x1[15];\r
+    // float dest[] = actual_v; actual_v=v1;\r
+\r
+    int pos = actual_write_pos;\r
+\r
+    v1[0 + pos] = new_v0;\r
+    v1[16 + pos] = new_v1;\r
+    v1[32 + pos] = new_v2;\r
+    v1[48 + pos] = new_v3;\r
+    v1[64 + pos] = new_v4;\r
+    v1[80 + pos] = new_v5;\r
+    v1[96 + pos] = new_v6;\r
+    v1[112 + pos] = new_v7;\r
+    v1[128 + pos] = new_v8;\r
+    v1[144 + pos] = new_v9;\r
+    v1[160 + pos] = new_v10;\r
+    v1[176 + pos] = new_v11;\r
+    v1[192 + pos] = new_v12;\r
+    v1[208 + pos] = new_v13;\r
+    v1[224 + pos] = new_v14;\r
+    v1[240 + pos] = new_v15;\r
 \r
     // V[16] is always 0.0:\r
-    dest[256 + actual_write_pos] = 0.0f;\r
+    v1[256 + pos] = 0.0f;\r
 \r
     // insert V[17-31] (== -new_v[15-1]) into actual v:\r
-    dest[272 + actual_write_pos] = -x1[15];\r
-    dest[288 + actual_write_pos] = -x1[14];\r
-    dest[304 + actual_write_pos] = -x1[13];\r
-    dest[320 + actual_write_pos] = -x1[12];\r
-    dest[336 + actual_write_pos] = -x1[11];\r
-    dest[352 + actual_write_pos] = -x1[10];\r
-    dest[368 + actual_write_pos] = -x1[9];\r
-    dest[384 + actual_write_pos] = -x1[8];\r
-    dest[400 + actual_write_pos] = -x1[7];\r
-    dest[416 + actual_write_pos] = -x1[6];\r
-    dest[432 + actual_write_pos] = -x1[5];\r
-    dest[448 + actual_write_pos] = -x1[4];\r
-    dest[464 + actual_write_pos] = -x1[3];\r
-    dest[480 + actual_write_pos] = -x1[2];\r
-    dest[496 + actual_write_pos] = -x1[1];\r
+    v1[272 + pos] = -new_v15;\r
+    v1[288 + pos] = -new_v14;\r
+    v1[304 + pos] = -new_v13;\r
+    v1[320 + pos] = -new_v12;\r
+    v1[336 + pos] = -new_v11;\r
+    v1[352 + pos] = -new_v10;\r
+    v1[368 + pos] = -new_v9;\r
+    v1[384 + pos] = -new_v8;\r
+    v1[400 + pos] = -new_v7;\r
+    v1[416 + pos] = -new_v6;\r
+    v1[432 + pos] = -new_v5;\r
+    v1[448 + pos] = -new_v4;\r
+    v1[464 + pos] = -new_v3;\r
+    v1[480 + pos] = -new_v2;\r
+    v1[496 + pos] = -new_v1;\r
 \r
     // insert V[32] (== -new_v[0]) into other v:\r
+    // dest = (actual_v == v1) ? v2 : v1;\r
 \r
+    v2[0 + pos] = -new_v0;\r
+    // insert V[33-48] (== new_v[16-31]) into other v:\r
+    v2[16 + pos] = new_v16;\r
+    v2[32 + pos] = new_v17;\r
+    v2[48 + pos] = new_v18;\r
+    v2[64 + pos] = new_v19;\r
+    v2[80 + pos] = new_v20;\r
+    v2[96 + pos] = new_v21;\r
+    v2[112 + pos] = new_v22;\r
+    v2[128 + pos] = new_v23;\r
+    v2[144 + pos] = new_v24;\r
+    v2[160 + pos] = new_v25;\r
+    v2[176 + pos] = new_v26;\r
+    v2[192 + pos] = new_v27;\r
+    v2[208 + pos] = new_v28;\r
+    v2[224 + pos] = new_v29;\r
+    v2[240 + pos] = new_v30;\r
+    v2[256 + pos] = new_v31;\r
+\r
+    // insert V[49-63] (== new_v[30-16]) into other v:\r
+    v2[272 + pos] = new_v30;\r
+    v2[288 + pos] = new_v29;\r
+    v2[304 + pos] = new_v28;\r
+    v2[320 + pos] = new_v27;\r
+    v2[336 + pos] = new_v26;\r
+    v2[352 + pos] = new_v25;\r
+    v2[368 + pos] = new_v24;\r
+    v2[384 + pos] = new_v23;\r
+    v2[400 + pos] = new_v22;\r
+    v2[416 + pos] = new_v21;\r
+    v2[432 + pos] = new_v20;\r
+    v2[448 + pos] = new_v19;\r
+    v2[464 + pos] = new_v18;\r
+    v2[480 + pos] = new_v17;\r
+    v2[496 + pos] = new_v16;\r
   }\r
 \r
   /**\r
@@ -815,455 +873,953 @@ final class SynthesisFilter {
 \r
   private float[] _tmpOut = new float[32];\r
 \r
-  private void compute_pcm_samples0(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      float pcm_sample;\r
-      final float[] dp = d16[i];\r
-      pcm_sample =\r
-          (float) (((vp[0 + dvp] * dp[0]) + (vp[15 + dvp] * dp[1]) + (vp[14 + dvp] * dp[2])\r
-              + (vp[13 + dvp] * dp[3]) + (vp[12 + dvp] * dp[4]) + (vp[11 + dvp] * dp[5])\r
-              + (vp[10 + dvp] * dp[6]) + (vp[9 + dvp] * dp[7]) + (vp[8 + dvp] * dp[8])\r
-              + (vp[7 + dvp] * dp[9]) + (vp[6 + dvp] * dp[10]) + (vp[5 + dvp] * dp[11])\r
-              + (vp[4 + dvp] * dp[12]) + (vp[3 + dvp] * dp[13]) + (vp[2 + dvp] * dp[14]) + (vp[1 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
-\r
-      dvp += 16;\r
-    } // for\r
-  }\r
-\r
-  private void compute_pcm_samples1(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[1 + dvp] * dp[0]) + (vp[0 + dvp] * dp[1]) + (vp[15 + dvp] * dp[2])\r
-              + (vp[14 + dvp] * dp[3]) + (vp[13 + dvp] * dp[4]) + (vp[12 + dvp] * dp[5])\r
-              + (vp[11 + dvp] * dp[6]) + (vp[10 + dvp] * dp[7]) + (vp[9 + dvp] * dp[8])\r
-              + (vp[8 + dvp] * dp[9]) + (vp[7 + dvp] * dp[10]) + (vp[6 + dvp] * dp[11])\r
-              + (vp[5 + dvp] * dp[12]) + (vp[4 + dvp] * dp[13]) + (vp[3 + dvp] * dp[14]) + (vp[2 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples0() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        float pcm_sample;\r
+        // final float[] dp = d16[i];\r
+        pcm_sample =\r
+            (float) (((v1[0 + dvp] * d16[i][0]) + (v1[15 + dvp] * d16[i][1])\r
+                + (v1[14 + dvp] * d16[i][2]) + (v1[13 + dvp] * d16[i][3])\r
+                + (v1[12 + dvp] * d16[i][4]) + (v1[11 + dvp] * d16[i][5])\r
+                + (v1[10 + dvp] * d16[i][6]) + (v1[9 + dvp] * d16[i][7])\r
+                + (v1[8 + dvp] * d16[i][8]) + (v1[7 + dvp] * d16[i][9])\r
+                + (v1[6 + dvp] * d16[i][10]) + (v1[5 + dvp] * d16[i][11])\r
+                + (v1[4 + dvp] * d16[i][12]) + (v1[3 + dvp] * d16[i][13])\r
+                + (v1[2 + dvp] * d16[i][14]) + (v1[1 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        float pcm_sample;\r
+        // final float[] dp = d16[i];\r
+        pcm_sample =\r
+            (float) (((v2[0 + dvp] * d16[i][0]) + (v2[15 + dvp] * d16[i][1])\r
+                + (v2[14 + dvp] * d16[i][2]) + (v2[13 + dvp] * d16[i][3])\r
+                + (v2[12 + dvp] * d16[i][4]) + (v2[11 + dvp] * d16[i][5])\r
+                + (v2[10 + dvp] * d16[i][6]) + (v2[9 + dvp] * d16[i][7])\r
+                + (v2[8 + dvp] * d16[i][8]) + (v2[7 + dvp] * d16[i][9])\r
+                + (v2[6 + dvp] * d16[i][10]) + (v2[5 + dvp] * d16[i][11])\r
+                + (v2[4 + dvp] * d16[i][12]) + (v2[3 + dvp] * d16[i][13])\r
+                + (v2[2 + dvp] * d16[i][14]) + (v2[1 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples2(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[2 + dvp] * dp[0]) + (vp[1 + dvp] * dp[1]) + (vp[0 + dvp] * dp[2])\r
-              + (vp[15 + dvp] * dp[3]) + (vp[14 + dvp] * dp[4]) + (vp[13 + dvp] * dp[5])\r
-              + (vp[12 + dvp] * dp[6]) + (vp[11 + dvp] * dp[7]) + (vp[10 + dvp] * dp[8])\r
-              + (vp[9 + dvp] * dp[9]) + (vp[8 + dvp] * dp[10]) + (vp[7 + dvp] * dp[11])\r
-              + (vp[6 + dvp] * dp[12]) + (vp[5 + dvp] * dp[13]) + (vp[4 + dvp] * dp[14]) + (vp[3 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples1() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[1 + dvp] * d16[i][0]) + (v1[0 + dvp] * d16[i][1])\r
+                + (v1[15 + dvp] * d16[i][2]) + (v1[14 + dvp] * d16[i][3])\r
+                + (v1[13 + dvp] * d16[i][4]) + (v1[12 + dvp] * d16[i][5])\r
+                + (v1[11 + dvp] * d16[i][6]) + (v1[10 + dvp] * d16[i][7])\r
+                + (v1[9 + dvp] * d16[i][8]) + (v1[8 + dvp] * d16[i][9])\r
+                + (v1[7 + dvp] * d16[i][10]) + (v1[6 + dvp] * d16[i][11])\r
+                + (v1[5 + dvp] * d16[i][12]) + (v1[4 + dvp] * d16[i][13])\r
+                + (v1[3 + dvp] * d16[i][14]) + (v1[2 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[1 + dvp] * d16[i][0]) + (v2[0 + dvp] * d16[i][1])\r
+                + (v2[15 + dvp] * d16[i][2]) + (v2[14 + dvp] * d16[i][3])\r
+                + (v2[13 + dvp] * d16[i][4]) + (v2[12 + dvp] * d16[i][5])\r
+                + (v2[11 + dvp] * d16[i][6]) + (v2[10 + dvp] * d16[i][7])\r
+                + (v2[9 + dvp] * d16[i][8]) + (v2[8 + dvp] * d16[i][9])\r
+                + (v2[7 + dvp] * d16[i][10]) + (v2[6 + dvp] * d16[i][11])\r
+                + (v2[5 + dvp] * d16[i][12]) + (v2[4 + dvp] * d16[i][13])\r
+                + (v2[3 + dvp] * d16[i][14]) + (v2[2 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples3(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    int idx = 0;\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[3 + dvp] * dp[0]) + (vp[2 + dvp] * dp[1]) + (vp[1 + dvp] * dp[2])\r
-              + (vp[0 + dvp] * dp[3]) + (vp[15 + dvp] * dp[4]) + (vp[14 + dvp] * dp[5])\r
-              + (vp[13 + dvp] * dp[6]) + (vp[12 + dvp] * dp[7]) + (vp[11 + dvp] * dp[8])\r
-              + (vp[10 + dvp] * dp[9]) + (vp[9 + dvp] * dp[10]) + (vp[8 + dvp] * dp[11])\r
-              + (vp[7 + dvp] * dp[12]) + (vp[6 + dvp] * dp[13]) + (vp[5 + dvp] * dp[14]) + (vp[4 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples2() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[2 + dvp] * d16[i][0]) + (v1[1 + dvp] * d16[i][1])\r
+                + (v1[0 + dvp] * d16[i][2]) + (v1[15 + dvp] * d16[i][3])\r
+                + (v1[14 + dvp] * d16[i][4]) + (v1[13 + dvp] * d16[i][5])\r
+                + (v1[12 + dvp] * d16[i][6]) + (v1[11 + dvp] * d16[i][7])\r
+                + (v1[10 + dvp] * d16[i][8]) + (v1[9 + dvp] * d16[i][9])\r
+                + (v1[8 + dvp] * d16[i][10]) + (v1[7 + dvp] * d16[i][11])\r
+                + (v1[6 + dvp] * d16[i][12]) + (v1[5 + dvp] * d16[i][13])\r
+                + (v1[4 + dvp] * d16[i][14]) + (v1[3 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[2 + dvp] * d16[i][0]) + (v2[1 + dvp] * d16[i][1])\r
+                + (v2[0 + dvp] * d16[i][2]) + (v2[15 + dvp] * d16[i][3])\r
+                + (v2[14 + dvp] * d16[i][4]) + (v2[13 + dvp] * d16[i][5])\r
+                + (v2[12 + dvp] * d16[i][6]) + (v2[11 + dvp] * d16[i][7])\r
+                + (v2[10 + dvp] * d16[i][8]) + (v2[9 + dvp] * d16[i][9])\r
+                + (v2[8 + dvp] * d16[i][10]) + (v2[7 + dvp] * d16[i][11])\r
+                + (v2[6 + dvp] * d16[i][12]) + (v2[5 + dvp] * d16[i][13])\r
+                + (v2[4 + dvp] * d16[i][14]) + (v2[3 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples4(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[4 + dvp] * dp[0]) + (vp[3 + dvp] * dp[1]) + (vp[2 + dvp] * dp[2])\r
-              + (vp[1 + dvp] * dp[3]) + (vp[0 + dvp] * dp[4]) + (vp[15 + dvp] * dp[5])\r
-              + (vp[14 + dvp] * dp[6]) + (vp[13 + dvp] * dp[7]) + (vp[12 + dvp] * dp[8])\r
-              + (vp[11 + dvp] * dp[9]) + (vp[10 + dvp] * dp[10]) + (vp[9 + dvp] * dp[11])\r
-              + (vp[8 + dvp] * dp[12]) + (vp[7 + dvp] * dp[13]) + (vp[6 + dvp] * dp[14]) + (vp[5 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples3() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      int idx = 0;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[3 + dvp] * d16[i][0]) + (v1[2 + dvp] * d16[i][1])\r
+                + (v1[1 + dvp] * d16[i][2]) + (v1[0 + dvp] * d16[i][3])\r
+                + (v1[15 + dvp] * d16[i][4]) + (v1[14 + dvp] * d16[i][5])\r
+                + (v1[13 + dvp] * d16[i][6]) + (v1[12 + dvp] * d16[i][7])\r
+                + (v1[11 + dvp] * d16[i][8]) + (v1[10 + dvp] * d16[i][9])\r
+                + (v1[9 + dvp] * d16[i][10]) + (v1[8 + dvp] * d16[i][11])\r
+                + (v1[7 + dvp] * d16[i][12]) + (v1[6 + dvp] * d16[i][13])\r
+                + (v1[5 + dvp] * d16[i][14]) + (v1[4 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      int idx = 0;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[3 + dvp] * d16[i][0]) + (v2[2 + dvp] * d16[i][1])\r
+                + (v2[1 + dvp] * d16[i][2]) + (v2[0 + dvp] * d16[i][3])\r
+                + (v2[15 + dvp] * d16[i][4]) + (v2[14 + dvp] * d16[i][5])\r
+                + (v2[13 + dvp] * d16[i][6]) + (v2[12 + dvp] * d16[i][7])\r
+                + (v2[11 + dvp] * d16[i][8]) + (v2[10 + dvp] * d16[i][9])\r
+                + (v2[9 + dvp] * d16[i][10]) + (v2[8 + dvp] * d16[i][11])\r
+                + (v2[7 + dvp] * d16[i][12]) + (v2[6 + dvp] * d16[i][13])\r
+                + (v2[5 + dvp] * d16[i][14]) + (v2[4 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples5(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[5 + dvp] * dp[0]) + (vp[4 + dvp] * dp[1]) + (vp[3 + dvp] * dp[2])\r
-              + (vp[2 + dvp] * dp[3]) + (vp[1 + dvp] * dp[4]) + (vp[0 + dvp] * dp[5])\r
-              + (vp[15 + dvp] * dp[6]) + (vp[14 + dvp] * dp[7]) + (vp[13 + dvp] * dp[8])\r
-              + (vp[12 + dvp] * dp[9]) + (vp[11 + dvp] * dp[10]) + (vp[10 + dvp] * dp[11])\r
-              + (vp[9 + dvp] * dp[12]) + (vp[8 + dvp] * dp[13]) + (vp[7 + dvp] * dp[14]) + (vp[6 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples4() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[4 + dvp] * d16[i][0]) + (v1[3 + dvp] * d16[i][1])\r
+                + (v1[2 + dvp] * d16[i][2]) + (v1[1 + dvp] * d16[i][3]) + (v1[0 + dvp] * d16[i][4])\r
+                + (v1[15 + dvp] * d16[i][5]) + (v1[14 + dvp] * d16[i][6])\r
+                + (v1[13 + dvp] * d16[i][7]) + (v1[12 + dvp] * d16[i][8])\r
+                + (v1[11 + dvp] * d16[i][9]) + (v1[10 + dvp] * d16[i][10])\r
+                + (v1[9 + dvp] * d16[i][11]) + (v1[8 + dvp] * d16[i][12])\r
+                + (v1[7 + dvp] * d16[i][13]) + (v1[6 + dvp] * d16[i][14]) + (v1[5 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[4 + dvp] * d16[i][0]) + (v2[3 + dvp] * d16[i][1])\r
+                + (v2[2 + dvp] * d16[i][2]) + (v2[1 + dvp] * d16[i][3]) + (v2[0 + dvp] * d16[i][4])\r
+                + (v2[15 + dvp] * d16[i][5]) + (v2[14 + dvp] * d16[i][6])\r
+                + (v2[13 + dvp] * d16[i][7]) + (v2[12 + dvp] * d16[i][8])\r
+                + (v2[11 + dvp] * d16[i][9]) + (v2[10 + dvp] * d16[i][10])\r
+                + (v2[9 + dvp] * d16[i][11]) + (v2[8 + dvp] * d16[i][12])\r
+                + (v2[7 + dvp] * d16[i][13]) + (v2[6 + dvp] * d16[i][14]) + (v2[5 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples6(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[6 + dvp] * dp[0]) + (vp[5 + dvp] * dp[1]) + (vp[4 + dvp] * dp[2])\r
-              + (vp[3 + dvp] * dp[3]) + (vp[2 + dvp] * dp[4]) + (vp[1 + dvp] * dp[5])\r
-              + (vp[0 + dvp] * dp[6]) + (vp[15 + dvp] * dp[7]) + (vp[14 + dvp] * dp[8])\r
-              + (vp[13 + dvp] * dp[9]) + (vp[12 + dvp] * dp[10]) + (vp[11 + dvp] * dp[11])\r
-              + (vp[10 + dvp] * dp[12]) + (vp[9 + dvp] * dp[13]) + (vp[8 + dvp] * dp[14]) + (vp[7 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples5() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[5 + dvp] * d16[i][0]) + (v1[4 + dvp] * d16[i][1])\r
+                + (v1[3 + dvp] * d16[i][2]) + (v1[2 + dvp] * d16[i][3]) + (v1[1 + dvp] * d16[i][4])\r
+                + (v1[0 + dvp] * d16[i][5]) + (v1[15 + dvp] * d16[i][6])\r
+                + (v1[14 + dvp] * d16[i][7]) + (v1[13 + dvp] * d16[i][8])\r
+                + (v1[12 + dvp] * d16[i][9]) + (v1[11 + dvp] * d16[i][10])\r
+                + (v1[10 + dvp] * d16[i][11]) + (v1[9 + dvp] * d16[i][12])\r
+                + (v1[8 + dvp] * d16[i][13]) + (v1[7 + dvp] * d16[i][14]) + (v1[6 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[5 + dvp] * d16[i][0]) + (v2[4 + dvp] * d16[i][1])\r
+                + (v2[3 + dvp] * d16[i][2]) + (v2[2 + dvp] * d16[i][3]) + (v2[1 + dvp] * d16[i][4])\r
+                + (v2[0 + dvp] * d16[i][5]) + (v2[15 + dvp] * d16[i][6])\r
+                + (v2[14 + dvp] * d16[i][7]) + (v2[13 + dvp] * d16[i][8])\r
+                + (v2[12 + dvp] * d16[i][9]) + (v2[11 + dvp] * d16[i][10])\r
+                + (v2[10 + dvp] * d16[i][11]) + (v2[9 + dvp] * d16[i][12])\r
+                + (v2[8 + dvp] * d16[i][13]) + (v2[7 + dvp] * d16[i][14]) + (v2[6 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples7(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[7 + dvp] * dp[0]) + (vp[6 + dvp] * dp[1]) + (vp[5 + dvp] * dp[2])\r
-              + (vp[4 + dvp] * dp[3]) + (vp[3 + dvp] * dp[4]) + (vp[2 + dvp] * dp[5])\r
-              + (vp[1 + dvp] * dp[6]) + (vp[0 + dvp] * dp[7]) + (vp[15 + dvp] * dp[8])\r
-              + (vp[14 + dvp] * dp[9]) + (vp[13 + dvp] * dp[10]) + (vp[12 + dvp] * dp[11])\r
-              + (vp[11 + dvp] * dp[12]) + (vp[10 + dvp] * dp[13]) + (vp[9 + dvp] * dp[14]) + (vp[8 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples6() {\r
+\r
+    if (vidx == 1) {\r
+\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[6 + dvp] * d16[i][0]) + (v1[5 + dvp] * d16[i][1])\r
+                + (v1[4 + dvp] * d16[i][2]) + (v1[3 + dvp] * d16[i][3]) + (v1[2 + dvp] * d16[i][4])\r
+                + (v1[1 + dvp] * d16[i][5]) + (v1[0 + dvp] * d16[i][6])\r
+                + (v1[15 + dvp] * d16[i][7]) + (v1[14 + dvp] * d16[i][8])\r
+                + (v1[13 + dvp] * d16[i][9]) + (v1[12 + dvp] * d16[i][10])\r
+                + (v1[11 + dvp] * d16[i][11]) + (v1[10 + dvp] * d16[i][12])\r
+                + (v1[9 + dvp] * d16[i][13]) + (v1[8 + dvp] * d16[i][14]) + (v1[7 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[6 + dvp] * d16[i][0]) + (v2[5 + dvp] * d16[i][1])\r
+                + (v2[4 + dvp] * d16[i][2]) + (v2[3 + dvp] * d16[i][3]) + (v2[2 + dvp] * d16[i][4])\r
+                + (v2[1 + dvp] * d16[i][5]) + (v2[0 + dvp] * d16[i][6])\r
+                + (v2[15 + dvp] * d16[i][7]) + (v2[14 + dvp] * d16[i][8])\r
+                + (v2[13 + dvp] * d16[i][9]) + (v2[12 + dvp] * d16[i][10])\r
+                + (v2[11 + dvp] * d16[i][11]) + (v2[10 + dvp] * d16[i][12])\r
+                + (v2[9 + dvp] * d16[i][13]) + (v2[8 + dvp] * d16[i][14]) + (v2[7 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples8(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[8 + dvp] * dp[0]) + (vp[7 + dvp] * dp[1]) + (vp[6 + dvp] * dp[2])\r
-              + (vp[5 + dvp] * dp[3]) + (vp[4 + dvp] * dp[4]) + (vp[3 + dvp] * dp[5])\r
-              + (vp[2 + dvp] * dp[6]) + (vp[1 + dvp] * dp[7]) + (vp[0 + dvp] * dp[8])\r
-              + (vp[15 + dvp] * dp[9]) + (vp[14 + dvp] * dp[10]) + (vp[13 + dvp] * dp[11])\r
-              + (vp[12 + dvp] * dp[12]) + (vp[11 + dvp] * dp[13]) + (vp[10 + dvp] * dp[14]) + (vp[9 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples7() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[7 + dvp] * d16[i][0]) + (v1[6 + dvp] * d16[i][1])\r
+                + (v1[5 + dvp] * d16[i][2]) + (v1[4 + dvp] * d16[i][3]) + (v1[3 + dvp] * d16[i][4])\r
+                + (v1[2 + dvp] * d16[i][5]) + (v1[1 + dvp] * d16[i][6]) + (v1[0 + dvp] * d16[i][7])\r
+                + (v1[15 + dvp] * d16[i][8]) + (v1[14 + dvp] * d16[i][9])\r
+                + (v1[13 + dvp] * d16[i][10]) + (v1[12 + dvp] * d16[i][11])\r
+                + (v1[11 + dvp] * d16[i][12]) + (v1[10 + dvp] * d16[i][13])\r
+                + (v1[9 + dvp] * d16[i][14]) + (v1[8 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[7 + dvp] * d16[i][0]) + (v2[6 + dvp] * d16[i][1])\r
+                + (v2[5 + dvp] * d16[i][2]) + (v2[4 + dvp] * d16[i][3]) + (v2[3 + dvp] * d16[i][4])\r
+                + (v2[2 + dvp] * d16[i][5]) + (v2[1 + dvp] * d16[i][6]) + (v2[0 + dvp] * d16[i][7])\r
+                + (v2[15 + dvp] * d16[i][8]) + (v2[14 + dvp] * d16[i][9])\r
+                + (v2[13 + dvp] * d16[i][10]) + (v2[12 + dvp] * d16[i][11])\r
+                + (v2[11 + dvp] * d16[i][12]) + (v2[10 + dvp] * d16[i][13])\r
+                + (v2[9 + dvp] * d16[i][14]) + (v2[8 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples9(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
+  private void compute_pcm_samples8() {\r
 \r
-      pcm_sample =\r
-          (float) (((vp[9 + dvp] * dp[0]) + (vp[8 + dvp] * dp[1]) + (vp[7 + dvp] * dp[2])\r
-              + (vp[6 + dvp] * dp[3]) + (vp[5 + dvp] * dp[4]) + (vp[4 + dvp] * dp[5])\r
-              + (vp[3 + dvp] * dp[6]) + (vp[2 + dvp] * dp[7]) + (vp[1 + dvp] * dp[8])\r
-              + (vp[0 + dvp] * dp[9]) + (vp[15 + dvp] * dp[10]) + (vp[14 + dvp] * dp[11])\r
-              + (vp[13 + dvp] * dp[12]) + (vp[12 + dvp] * dp[13]) + (vp[11 + dvp] * dp[14]) + (vp[10 + dvp] * dp[15])) * scalefactor);\r
+    if (vidx == 1) {\r
 \r
-      tmpOut[i] = pcm_sample;\r
+      // final float[] vp = actual_v;\r
 \r
-      dvp += 16;\r
-    } // for\r
-  }\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
 \r
-  private void compute_pcm_samples10(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
 \r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
+        pcm_sample =\r
+            (float) (((v1[8 + dvp] * d16[i][0]) + (v1[7 + dvp] * d16[i][1])\r
+                + (v1[6 + dvp] * d16[i][2]) + (v1[5 + dvp] * d16[i][3]) + (v1[4 + dvp] * d16[i][4])\r
+                + (v1[3 + dvp] * d16[i][5]) + (v1[2 + dvp] * d16[i][6]) + (v1[1 + dvp] * d16[i][7])\r
+                + (v1[0 + dvp] * d16[i][8]) + (v1[15 + dvp] * d16[i][9])\r
+                + (v1[14 + dvp] * d16[i][10]) + (v1[13 + dvp] * d16[i][11])\r
+                + (v1[12 + dvp] * d16[i][12]) + (v1[11 + dvp] * d16[i][13])\r
+                + (v1[10 + dvp] * d16[i][14]) + (v1[9 + dvp] * d16[i][15])) * scalefactor);\r
 \r
-      pcm_sample =\r
-          (float) (((vp[10 + dvp] * dp[0]) + (vp[9 + dvp] * dp[1]) + (vp[8 + dvp] * dp[2])\r
-              + (vp[7 + dvp] * dp[3]) + (vp[6 + dvp] * dp[4]) + (vp[5 + dvp] * dp[5])\r
-              + (vp[4 + dvp] * dp[6]) + (vp[3 + dvp] * dp[7]) + (vp[2 + dvp] * dp[8])\r
-              + (vp[1 + dvp] * dp[9]) + (vp[0 + dvp] * dp[10]) + (vp[15 + dvp] * dp[11])\r
-              + (vp[14 + dvp] * dp[12]) + (vp[13 + dvp] * dp[13]) + (vp[12 + dvp] * dp[14]) + (vp[11 + dvp] * dp[15])) * scalefactor);\r
+        _tmpOut[i] = pcm_sample;\r
 \r
-      tmpOut[i] = pcm_sample;\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
 \r
-      dvp += 16;\r
-    } // for\r
-  }\r
+      // final float[] vp = actual_v;\r
 \r
-  private void compute_pcm_samples11(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
 \r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
 \r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
+        pcm_sample =\r
+            (float) (((v2[8 + dvp] * d16[i][0]) + (v2[7 + dvp] * d16[i][1])\r
+                + (v2[6 + dvp] * d16[i][2]) + (v2[5 + dvp] * d16[i][3]) + (v2[4 + dvp] * d16[i][4])\r
+                + (v2[3 + dvp] * d16[i][5]) + (v2[2 + dvp] * d16[i][6]) + (v2[1 + dvp] * d16[i][7])\r
+                + (v2[0 + dvp] * d16[i][8]) + (v2[15 + dvp] * d16[i][9])\r
+                + (v2[14 + dvp] * d16[i][10]) + (v2[13 + dvp] * d16[i][11])\r
+                + (v2[12 + dvp] * d16[i][12]) + (v2[11 + dvp] * d16[i][13])\r
+                + (v2[10 + dvp] * d16[i][14]) + (v2[9 + dvp] * d16[i][15])) * scalefactor);\r
 \r
-      pcm_sample =\r
-          (float) (((vp[11 + dvp] * dp[0]) + (vp[10 + dvp] * dp[1]) + (vp[9 + dvp] * dp[2])\r
-              + (vp[8 + dvp] * dp[3]) + (vp[7 + dvp] * dp[4]) + (vp[6 + dvp] * dp[5])\r
-              + (vp[5 + dvp] * dp[6]) + (vp[4 + dvp] * dp[7]) + (vp[3 + dvp] * dp[8])\r
-              + (vp[2 + dvp] * dp[9]) + (vp[1 + dvp] * dp[10]) + (vp[0 + dvp] * dp[11])\r
-              + (vp[15 + dvp] * dp[12]) + (vp[14 + dvp] * dp[13]) + (vp[13 + dvp] * dp[14]) + (vp[12 + dvp] * dp[15])) * scalefactor);\r
+        _tmpOut[i] = pcm_sample;\r
 \r
-      tmpOut[i] = pcm_sample;\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples12(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
-\r
-      pcm_sample =\r
-          (float) (((vp[12 + dvp] * dp[0]) + (vp[11 + dvp] * dp[1]) + (vp[10 + dvp] * dp[2])\r
-              + (vp[9 + dvp] * dp[3]) + (vp[8 + dvp] * dp[4]) + (vp[7 + dvp] * dp[5])\r
-              + (vp[6 + dvp] * dp[6]) + (vp[5 + dvp] * dp[7]) + (vp[4 + dvp] * dp[8])\r
-              + (vp[3 + dvp] * dp[9]) + (vp[2 + dvp] * dp[10]) + (vp[1 + dvp] * dp[11])\r
-              + (vp[0 + dvp] * dp[12]) + (vp[15 + dvp] * dp[13]) + (vp[14 + dvp] * dp[14]) + (vp[13 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples9() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[9 + dvp] * d16[i][0]) + (v1[8 + dvp] * d16[i][1])\r
+                + (v1[7 + dvp] * d16[i][2]) + (v1[6 + dvp] * d16[i][3]) + (v1[5 + dvp] * d16[i][4])\r
+                + (v1[4 + dvp] * d16[i][5]) + (v1[3 + dvp] * d16[i][6]) + (v1[2 + dvp] * d16[i][7])\r
+                + (v1[1 + dvp] * d16[i][8]) + (v1[0 + dvp] * d16[i][9])\r
+                + (v1[15 + dvp] * d16[i][10]) + (v1[14 + dvp] * d16[i][11])\r
+                + (v1[13 + dvp] * d16[i][12]) + (v1[12 + dvp] * d16[i][13])\r
+                + (v1[11 + dvp] * d16[i][14]) + (v1[10 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[9 + dvp] * d16[i][0]) + (v2[8 + dvp] * d16[i][1])\r
+                + (v2[7 + dvp] * d16[i][2]) + (v2[6 + dvp] * d16[i][3]) + (v2[5 + dvp] * d16[i][4])\r
+                + (v2[4 + dvp] * d16[i][5]) + (v2[3 + dvp] * d16[i][6]) + (v2[2 + dvp] * d16[i][7])\r
+                + (v2[1 + dvp] * d16[i][8]) + (v2[0 + dvp] * d16[i][9])\r
+                + (v2[15 + dvp] * d16[i][10]) + (v2[14 + dvp] * d16[i][11])\r
+                + (v2[13 + dvp] * d16[i][12]) + (v2[12 + dvp] * d16[i][13])\r
+                + (v2[11 + dvp] * d16[i][14]) + (v2[10 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples13(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
+  private void compute_pcm_samples10() {\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[10 + dvp] * d16[i][0]) + (v1[9 + dvp] * d16[i][1])\r
+                + (v1[8 + dvp] * d16[i][2]) + (v1[7 + dvp] * d16[i][3]) + (v1[6 + dvp] * d16[i][4])\r
+                + (v1[5 + dvp] * d16[i][5]) + (v1[4 + dvp] * d16[i][6]) + (v1[3 + dvp] * d16[i][7])\r
+                + (v1[2 + dvp] * d16[i][8]) + (v1[1 + dvp] * d16[i][9])\r
+                + (v1[0 + dvp] * d16[i][10]) + (v1[15 + dvp] * d16[i][11])\r
+                + (v1[14 + dvp] * d16[i][12]) + (v1[13 + dvp] * d16[i][13])\r
+                + (v1[12 + dvp] * d16[i][14]) + (v1[11 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[10 + dvp] * d16[i][0]) + (v2[9 + dvp] * d16[i][1])\r
+                + (v2[8 + dvp] * d16[i][2]) + (v2[7 + dvp] * d16[i][3]) + (v2[6 + dvp] * d16[i][4])\r
+                + (v2[5 + dvp] * d16[i][5]) + (v2[4 + dvp] * d16[i][6]) + (v2[3 + dvp] * d16[i][7])\r
+                + (v2[2 + dvp] * d16[i][8]) + (v2[1 + dvp] * d16[i][9])\r
+                + (v2[0 + dvp] * d16[i][10]) + (v2[15 + dvp] * d16[i][11])\r
+                + (v2[14 + dvp] * d16[i][12]) + (v2[13 + dvp] * d16[i][13])\r
+                + (v2[12 + dvp] * d16[i][14]) + (v2[11 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      pcm_sample =\r
-          (float) (((vp[13 + dvp] * dp[0]) + (vp[12 + dvp] * dp[1]) + (vp[11 + dvp] * dp[2])\r
-              + (vp[10 + dvp] * dp[3]) + (vp[9 + dvp] * dp[4]) + (vp[8 + dvp] * dp[5])\r
-              + (vp[7 + dvp] * dp[6]) + (vp[6 + dvp] * dp[7]) + (vp[5 + dvp] * dp[8])\r
-              + (vp[4 + dvp] * dp[9]) + (vp[3 + dvp] * dp[10]) + (vp[2 + dvp] * dp[11])\r
-              + (vp[1 + dvp] * dp[12]) + (vp[0 + dvp] * dp[13]) + (vp[15 + dvp] * dp[14]) + (vp[14 + dvp] * dp[15])) * scalefactor);\r
+  }\r
 \r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples11() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[11 + dvp] * d16[i][0]) + (v1[10 + dvp] * d16[i][1])\r
+                + (v1[9 + dvp] * d16[i][2]) + (v1[8 + dvp] * d16[i][3]) + (v1[7 + dvp] * d16[i][4])\r
+                + (v1[6 + dvp] * d16[i][5]) + (v1[5 + dvp] * d16[i][6]) + (v1[4 + dvp] * d16[i][7])\r
+                + (v1[3 + dvp] * d16[i][8]) + (v1[2 + dvp] * d16[i][9])\r
+                + (v1[1 + dvp] * d16[i][10]) + (v1[0 + dvp] * d16[i][11])\r
+                + (v1[15 + dvp] * d16[i][12]) + (v1[14 + dvp] * d16[i][13])\r
+                + (v1[13 + dvp] * d16[i][14]) + (v1[12 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[11 + dvp] * d16[i][0]) + (v2[10 + dvp] * d16[i][1])\r
+                + (v2[9 + dvp] * d16[i][2]) + (v2[8 + dvp] * d16[i][3]) + (v2[7 + dvp] * d16[i][4])\r
+                + (v2[6 + dvp] * d16[i][5]) + (v2[5 + dvp] * d16[i][6]) + (v2[4 + dvp] * d16[i][7])\r
+                + (v2[3 + dvp] * d16[i][8]) + (v2[2 + dvp] * d16[i][9])\r
+                + (v2[1 + dvp] * d16[i][10]) + (v2[0 + dvp] * d16[i][11])\r
+                + (v2[15 + dvp] * d16[i][12]) + (v2[14 + dvp] * d16[i][13])\r
+                + (v2[13 + dvp] * d16[i][14]) + (v2[12 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples14(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
+  private void compute_pcm_samples12() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[12 + dvp] * d16[i][0]) + (v1[11 + dvp] * d16[i][1])\r
+                + (v1[10 + dvp] * d16[i][2]) + (v1[9 + dvp] * d16[i][3])\r
+                + (v1[8 + dvp] * d16[i][4]) + (v1[7 + dvp] * d16[i][5]) + (v1[6 + dvp] * d16[i][6])\r
+                + (v1[5 + dvp] * d16[i][7]) + (v1[4 + dvp] * d16[i][8]) + (v1[3 + dvp] * d16[i][9])\r
+                + (v1[2 + dvp] * d16[i][10]) + (v1[1 + dvp] * d16[i][11])\r
+                + (v1[0 + dvp] * d16[i][12]) + (v1[15 + dvp] * d16[i][13])\r
+                + (v1[14 + dvp] * d16[i][14]) + (v1[13 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[12 + dvp] * d16[i][0]) + (v2[11 + dvp] * d16[i][1])\r
+                + (v2[10 + dvp] * d16[i][2]) + (v2[9 + dvp] * d16[i][3])\r
+                + (v2[8 + dvp] * d16[i][4]) + (v2[7 + dvp] * d16[i][5]) + (v2[6 + dvp] * d16[i][6])\r
+                + (v2[5 + dvp] * d16[i][7]) + (v2[4 + dvp] * d16[i][8]) + (v2[3 + dvp] * d16[i][9])\r
+                + (v2[2 + dvp] * d16[i][10]) + (v2[1 + dvp] * d16[i][11])\r
+                + (v2[0 + dvp] * d16[i][12]) + (v2[15 + dvp] * d16[i][13])\r
+                + (v2[14 + dvp] * d16[i][14]) + (v2[13 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
+  }\r
 \r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      final float[] dp = d16[i];\r
-      float pcm_sample;\r
+  private void compute_pcm_samples13() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[13 + dvp] * d16[i][0]) + (v1[12 + dvp] * d16[i][1])\r
+                + (v1[11 + dvp] * d16[i][2]) + (v1[10 + dvp] * d16[i][3])\r
+                + (v1[9 + dvp] * d16[i][4]) + (v1[8 + dvp] * d16[i][5]) + (v1[7 + dvp] * d16[i][6])\r
+                + (v1[6 + dvp] * d16[i][7]) + (v1[5 + dvp] * d16[i][8]) + (v1[4 + dvp] * d16[i][9])\r
+                + (v1[3 + dvp] * d16[i][10]) + (v1[2 + dvp] * d16[i][11])\r
+                + (v1[1 + dvp] * d16[i][12]) + (v1[0 + dvp] * d16[i][13])\r
+                + (v1[15 + dvp] * d16[i][14]) + (v1[14 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[13 + dvp] * d16[i][0]) + (v2[12 + dvp] * d16[i][1])\r
+                + (v2[11 + dvp] * d16[i][2]) + (v2[10 + dvp] * d16[i][3])\r
+                + (v2[9 + dvp] * d16[i][4]) + (v2[8 + dvp] * d16[i][5]) + (v2[7 + dvp] * d16[i][6])\r
+                + (v2[6 + dvp] * d16[i][7]) + (v2[5 + dvp] * d16[i][8]) + (v2[4 + dvp] * d16[i][9])\r
+                + (v2[3 + dvp] * d16[i][10]) + (v2[2 + dvp] * d16[i][11])\r
+                + (v2[1 + dvp] * d16[i][12]) + (v2[0 + dvp] * d16[i][13])\r
+                + (v2[15 + dvp] * d16[i][14]) + (v2[14 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      pcm_sample =\r
-          (float) (((vp[14 + dvp] * dp[0]) + (vp[13 + dvp] * dp[1]) + (vp[12 + dvp] * dp[2])\r
-              + (vp[11 + dvp] * dp[3]) + (vp[10 + dvp] * dp[4]) + (vp[9 + dvp] * dp[5])\r
-              + (vp[8 + dvp] * dp[6]) + (vp[7 + dvp] * dp[7]) + (vp[6 + dvp] * dp[8])\r
-              + (vp[5 + dvp] * dp[9]) + (vp[4 + dvp] * dp[10]) + (vp[3 + dvp] * dp[11])\r
-              + (vp[2 + dvp] * dp[12]) + (vp[1 + dvp] * dp[13]) + (vp[0 + dvp] * dp[14]) + (vp[15 + dvp] * dp[15])) * scalefactor);\r
+  }\r
 \r
-      tmpOut[i] = pcm_sample;\r
+  private void compute_pcm_samples14() {\r
+\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v1[14 + dvp] * d16[i][0]) + (v1[13 + dvp] * d16[i][1])\r
+                + (v1[12 + dvp] * d16[i][2]) + (v1[11 + dvp] * d16[i][3])\r
+                + (v1[10 + dvp] * d16[i][4]) + (v1[9 + dvp] * d16[i][5])\r
+                + (v1[8 + dvp] * d16[i][6]) + (v1[7 + dvp] * d16[i][7]) + (v1[6 + dvp] * d16[i][8])\r
+                + (v1[5 + dvp] * d16[i][9]) + (v1[4 + dvp] * d16[i][10])\r
+                + (v1[3 + dvp] * d16[i][11]) + (v1[2 + dvp] * d16[i][12])\r
+                + (v1[1 + dvp] * d16[i][13]) + (v1[0 + dvp] * d16[i][14]) + (v1[15 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        // final float[] dp = d16[i];\r
+        float pcm_sample;\r
+\r
+        pcm_sample =\r
+            (float) (((v2[14 + dvp] * d16[i][0]) + (v2[13 + dvp] * d16[i][1])\r
+                + (v2[12 + dvp] * d16[i][2]) + (v2[11 + dvp] * d16[i][3])\r
+                + (v2[10 + dvp] * d16[i][4]) + (v2[9 + dvp] * d16[i][5])\r
+                + (v2[8 + dvp] * d16[i][6]) + (v2[7 + dvp] * d16[i][7]) + (v2[6 + dvp] * d16[i][8])\r
+                + (v2[5 + dvp] * d16[i][9]) + (v2[4 + dvp] * d16[i][10])\r
+                + (v2[3 + dvp] * d16[i][11]) + (v2[2 + dvp] * d16[i][12])\r
+                + (v2[1 + dvp] * d16[i][13]) + (v2[0 + dvp] * d16[i][14]) + (v2[15 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+\r
+        dvp += 16;\r
+      } // for\r
+    }\r
 \r
-      dvp += 16;\r
-    } // for\r
   }\r
 \r
-  private void compute_pcm_samples15(Obuffer buffer) {\r
-    final float[] vp = actual_v;\r
-\r
-    // int inc = v_inc;\r
-    final float[] tmpOut = _tmpOut;\r
-    int dvp = 0;\r
-\r
-    // fat chance of having this loop unroll\r
-    for (int i = 0; i < 32; i++) {\r
-      float pcm_sample;\r
-      final float dp[] = d16[i];\r
-      pcm_sample =\r
-          (float) (((vp[15 + dvp] * dp[0]) + (vp[14 + dvp] * dp[1]) + (vp[13 + dvp] * dp[2])\r
-              + (vp[12 + dvp] * dp[3]) + (vp[11 + dvp] * dp[4]) + (vp[10 + dvp] * dp[5])\r
-              + (vp[9 + dvp] * dp[6]) + (vp[8 + dvp] * dp[7]) + (vp[7 + dvp] * dp[8])\r
-              + (vp[6 + dvp] * dp[9]) + (vp[5 + dvp] * dp[10]) + (vp[4 + dvp] * dp[11])\r
-              + (vp[3 + dvp] * dp[12]) + (vp[2 + dvp] * dp[13]) + (vp[1 + dvp] * dp[14]) + (vp[0 + dvp] * dp[15])) * scalefactor);\r
-\r
-      tmpOut[i] = pcm_sample;\r
-      dvp += 16;\r
-    } // for\r
+  private void compute_pcm_samples15() {\r
+    if (vidx == 1) {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        float pcm_sample;\r
+        // final float d16[i][] = d16[i];\r
+        pcm_sample =\r
+            (float) (((v1[15 + dvp] * d16[i][0]) + (v1[14 + dvp] * d16[i][1])\r
+                + (v1[13 + dvp] * d16[i][2]) + (v1[12 + dvp] * d16[i][3])\r
+                + (v1[11 + dvp] * d16[i][4]) + (v1[10 + dvp] * d16[i][5])\r
+                + (v1[9 + dvp] * d16[i][6]) + (v1[8 + dvp] * d16[i][7]) + (v1[7 + dvp] * d16[i][8])\r
+                + (v1[6 + dvp] * d16[i][9]) + (v1[5 + dvp] * d16[i][10])\r
+                + (v1[4 + dvp] * d16[i][11]) + (v1[3 + dvp] * d16[i][12])\r
+                + (v1[2 + dvp] * d16[i][13]) + (v1[1 + dvp] * d16[i][14]) + (v1[0 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+        dvp += 16;\r
+      } // for\r
+    } else {\r
+      // final float[] vp = actual_v;\r
+\r
+      // int inc = v_inc;\r
+      // final float[] tmpOut = _tmpOut;\r
+      int dvp = 0;\r
+\r
+      // fat chance of having this loop unroll\r
+      for (int i = 0; i < 32; i++) {\r
+        float pcm_sample;\r
+        // final float d16[i][] = d16[i];\r
+        pcm_sample =\r
+            (float) (((v2[15 + dvp] * d16[i][0]) + (v2[14 + dvp] * d16[i][1])\r
+                + (v2[13 + dvp] * d16[i][2]) + (v2[12 + dvp] * d16[i][3])\r
+                + (v2[11 + dvp] * d16[i][4]) + (v2[10 + dvp] * d16[i][5])\r
+                + (v2[9 + dvp] * d16[i][6]) + (v2[8 + dvp] * d16[i][7]) + (v2[7 + dvp] * d16[i][8])\r
+                + (v2[6 + dvp] * d16[i][9]) + (v2[5 + dvp] * d16[i][10])\r
+                + (v2[4 + dvp] * d16[i][11]) + (v2[3 + dvp] * d16[i][12])\r
+                + (v2[2 + dvp] * d16[i][13]) + (v2[1 + dvp] * d16[i][14]) + (v2[0 + dvp] * d16[i][15])) * scalefactor);\r
+\r
+        _tmpOut[i] = pcm_sample;\r
+        dvp += 16;\r
+      } // for\r
+    }\r
+\r
   }\r
 \r
-  private void compute_pcm_samples(Obuffer buffer) {\r
+  private void compute_pcm_samples() {\r
 \r
     switch (actual_write_pos) {\r
     case 0:\r
-      compute_pcm_samples0(buffer);\r
+      compute_pcm_samples0();\r
       break;\r
     case 1:\r
-      compute_pcm_samples1(buffer);\r
+      compute_pcm_samples1();\r
       break;\r
     case 2:\r
-      compute_pcm_samples2(buffer);\r
+      compute_pcm_samples2();\r
       break;\r
     case 3:\r
-      compute_pcm_samples3(buffer);\r
+      compute_pcm_samples3();\r
       break;\r
     case 4:\r
-      compute_pcm_samples4(buffer);\r
+      compute_pcm_samples4();\r
       break;\r
     case 5:\r
-      compute_pcm_samples5(buffer);\r
+      compute_pcm_samples5();\r
       break;\r
     case 6:\r
-      compute_pcm_samples6(buffer);\r
+      compute_pcm_samples6();\r
       break;\r
     case 7:\r
-      compute_pcm_samples7(buffer);\r
+      compute_pcm_samples7();\r
       break;\r
     case 8:\r
-      compute_pcm_samples8(buffer);\r
+      compute_pcm_samples8();\r
       break;\r
     case 9:\r
-      compute_pcm_samples9(buffer);\r
+      compute_pcm_samples9();\r
       break;\r
     case 10:\r
-      compute_pcm_samples10(buffer);\r
+      compute_pcm_samples10();\r
       break;\r
     case 11:\r
-      compute_pcm_samples11(buffer);\r
+      compute_pcm_samples11();\r
       break;\r
     case 12:\r
-      compute_pcm_samples12(buffer);\r
+      compute_pcm_samples12();\r
       break;\r
     case 13:\r
-      compute_pcm_samples13(buffer);\r
+      compute_pcm_samples13();\r
       break;\r
     case 14:\r
-      compute_pcm_samples14(buffer);\r
+      compute_pcm_samples14();\r
       break;\r
     case 15:\r
-      compute_pcm_samples15(buffer);\r
+      compute_pcm_samples15();\r
       break;\r
     }\r
 \r
-    if (buffer != null) {\r
-      buffer.appendSamples(channel, _tmpOut);\r
-    }\r
+    // if (buffer != null) {\r
+    // buffer.appendSamples(channel, _tmpOut);\r
+    // }\r
+    SampleBufferWrapper.getOutput().appendSamples(channel, _tmpOut);\r
 \r
     /*\r
      * // MDM: I was considering putting in quality control for // low-spec\r
@@ -1284,12 +1840,28 @@ final class SynthesisFilter {
    * Calculate 32 PCM samples and put the into the Obuffer-object.\r
    */\r
 \r
-  public void calculate_pcm_samples(Obuffer buffer) {\r
-    compute_new_v();\r
-    compute_pcm_samples(buffer);\r
+  public void calculate_pcm_samples() {\r
+\r
+    if (vidx == 1) {\r
+      compute_new_v1_v2();\r
+    } else {\r
+      compute_new_v2_v1();\r
+    }\r
+\r
+    // System.out.println("1.actual_v=" + (actual_v == v1) + " vidx=" + vidx);\r
+    // compute_new_v();\r
+    // System.out.println("2.actual_v=" + (actual_v == v1) + " vidx=" + vidx);\r
+    compute_pcm_samples();\r
+    // System.out.println("3.actual_v=" + (actual_v == v1) + " vidx=" + vidx);\r
 \r
     actual_write_pos = (actual_write_pos + 1) & 0xf;\r
-    actual_v = (actual_v == v1) ? v2 : v1;\r
+    // actual_v = (actual_v == v1) ? v2 : v1;\r
+\r
+    if (vidx == 1) {\r
+      vidx = 2;\r
+    } else {\r
+      vidx = 1;\r
+    }\r
 \r
     // initialize samples[]:\r
     // for (register float *floatp = samples + 32; floatp > samples; )\r

diff --git a/Robust/src/Tests/ssJava/mp3decoder/huffcodetab.java b/Robust/src/Tests/ssJava/mp3decoder/huffcodetab.java
index 7aec4ccc4042be457c8e686d7680605a112d01d3..054bc4d00b4f705150ed23eecd52b1bedcb92131 100644 (file)
--- a/Robust/src/Tests/ssJava/mp3decoder/huffcodetab.java
+++ b/Robust/src/Tests/ssJava/mp3decoder/huffcodetab.java
@@ -482,8 +482,8 @@ final class huffcodetab {
    * Big Constructor : Computes all Huffman Tables.\r
    */\r
   private huffcodetab(@LOC("V") String S, @LOC("V") int XLEN, @LOC("V") int YLEN,\r
-      @LOC("V") int LINBITS, @LOC("V") int LINMAX, @LOC("V") int REF, @LOC("V") int[] TABLE,\r
-      @LOC("V") int[] HLEN, @LOC("V") int[][] VAL, @LOC("V") int TREELEN) {\r
+      @LOC("V") int LINBITS, @LOC("V") int LINMAX, @LOC("V") int REF, @DELEGATE @LOC("V") int[] TABLE,\r
+      @DELEGATE @LOC("V") int[] HLEN,@DELEGATE @LOC("V") int[][] VAL, @LOC("V") int TREELEN) {\r
     tablename0 = S.charAt(0);\r
     tablename1 = S.charAt(1);\r
     tablename2 = S.charAt(2);\r
@@ -506,11 +506,12 @@ final class huffcodetab {
    * note! for counta,countb -the 4 bit value is returned in y,\r
    * discard x.\r
    */\r
-  public static int huffman_decoder(huffcodetab h, int[] x, int[] y, int[] v, int[] w, BitReserve br)\r
+  public static int huffman_decoder(int htIdx, int[] x, int[] y, int[] v, int[] w, BitReserve br)\r
   {\r
      // array of all huffcodtable headers\r
      // 0..31 Huffman code table 0..31\r
      // 32,33 count1-tables\r
+    \r
 \r
      int dmask = 1 << ((4 * 8) - 1);\r
      int hs    = 4 * 8;\r
@@ -519,10 +520,10 @@ final class huffcodetab {
      int error = 1;\r
      level = dmask;\r
 \r
-     if (h.val == null) return 2;\r
+     if (ht[htIdx].val == null) return 2;\r
 \r
      /* table 0 needs no bits */\r
-     if ( h.treelen == 0)\r
+     if ( ht[htIdx].treelen == 0)\r
       { \r
         x[0] = y[0] = 0;\r
         return 0;\r
@@ -536,10 +537,10 @@ final class huffcodetab {
       int bits[] = bitbuf;*/\r
       do \r
       {\r
-         if (h.val[point][0]==0)\r
+         if (ht[htIdx].val[point][0]==0)\r
           {   /*end of tree*/\r
-             x[0] = h.val[point][1] >>> 4;\r
-             y[0] = h.val[point][1] & 0xf;\r
+             x[0] = ht[htIdx].val[point][1] >>> 4;\r
+             y[0] = ht[htIdx].val[point][1] & 0xf;\r
              error = 0;\r
              break;\r
          }\r
@@ -556,13 +557,13 @@ final class huffcodetab {
           //if (bits[bitIndex++]!=0)\r
           if (br.hget1bit()!=0)\r
           {\r
-             while (h.val[point][1] >= MXOFF) point += h.val[point][1];\r
-             point += h.val[point][1];\r
+             while (ht[htIdx].val[point][1] >= MXOFF) point += ht[htIdx].val[point][1];\r
+             point += ht[htIdx].val[point][1];\r
          }\r
          else\r
           {\r
-             while (h.val[point][0] >= MXOFF) point += h.val[point][0];\r
-             point += h.val[point][0];\r
+             while (ht[htIdx].val[point][0] >= MXOFF) point += ht[htIdx].val[point][0];\r
+             point += ht[htIdx].val[point][0];\r
          }\r
          level >>>= 1;\r
           // MDM: ht[0] is always 0;\r
@@ -575,8 +576,8 @@ final class huffcodetab {
                br.rewindNbits(unread);\r
       */\r
        /* Process sign encodings for quadruples tables. */\r
-      // System.out.println(h.tablename);\r
-       if (h.tablename0 == '3' && (h.tablename1 == '2' || h.tablename1 == '3'))\r
+      // System.out.println(ht[htIdx].tablename);\r
+       if (ht[htIdx].tablename0 == '3' && (ht[htIdx].tablename1 == '2' || ht[htIdx].tablename1 == '3'))\r
        {\r
           v[0] = (y[0]>>3) & 1;\r
           w[0] = (y[0]>>2) & 1;\r
@@ -601,14 +602,14 @@ final class huffcodetab {
             // x and y are reversed in the test bitstream.\r
             // Reverse x and y here to make test bitstream work.\r
 \r
-           if (h.linbits != 0)\r
-             if ((h.xlen-1) == x[0])\r
-               x[0] += br.hgetbits(h.linbits);\r
+           if (ht[htIdx].linbits != 0)\r
+             if ((ht[htIdx].xlen-1) == x[0])\r
+               x[0] += br.hgetbits(ht[htIdx].linbits);\r
             if (x[0] != 0)\r
                  if (br.hget1bit() != 0) x[0] = -x[0];\r
-            if (h.linbits != 0)\r
-                if ((h.ylen-1) == y[0])\r
-                    y[0] += br.hgetbits(h.linbits);\r
+            if (ht[htIdx].linbits != 0)\r
+                if ((ht[htIdx].ylen-1) == y[0])\r
+                    y[0] += br.hgetbits(ht[htIdx].linbits);\r
             if (y[0] != 0)\r
                  if (br.hget1bit() != 0) y[0] = -y[0];\r
         }\r