From 9fee0ec4ca0c5b7a334cc29dbb58e76c7a4c736e Mon Sep 17 00:00:00 2001
From: Michiel Van Der Kolk <not.valid@email.address>
Date: Mon, 11 Jul 2005 15:42:37 +0000
Subject: Songdb java version, source. only 1.5 compatible

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7101 a1c6a512-1295-4272-9138-f99709370657
---
 songdbj/de/jarnbjo/vorbis/Mapping0.java | 146 ++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 songdbj/de/jarnbjo/vorbis/Mapping0.java

(limited to 'songdbj/de/jarnbjo/vorbis/Mapping0.java')

diff --git a/songdbj/de/jarnbjo/vorbis/Mapping0.java b/songdbj/de/jarnbjo/vorbis/Mapping0.java
new file mode 100644
index 0000000000..e8fde4686f
--- /dev/null
+++ b/songdbj/de/jarnbjo/vorbis/Mapping0.java
@@ -0,0 +1,146 @@
+/*
+ * $ProjectName$
+ * $ProjectRevision$
+ * -----------------------------------------------------------
+ * $Id$
+ * -----------------------------------------------------------
+ *
+ * $Author$
+ *
+ * Description:
+ *
+ * Copyright 2002-2003 Tor-Einar Jarnbjo
+ * -----------------------------------------------------------
+ *
+ * Change History
+ * -----------------------------------------------------------
+ * $Log$
+ * Revision 1.1  2005/07/11 15:42:36  hcl
+ * Songdb java version, source. only 1.5 compatible
+ *
+ * Revision 1.1.1.1  2004/04/04 22:09:12  shred
+ * First Import
+ *
+ * Revision 1.2  2003/03/16 01:11:12  jarnbjo
+ * no message
+ *
+ *
+ */
+ 
+package de.jarnbjo.vorbis;
+
+import java.io.IOException;
+
+import de.jarnbjo.util.io.BitInputStream;
+
+class Mapping0 extends Mapping {
+
+   private int[] magnitudes, angles, mux, submapFloors, submapResidues;
+
+   protected Mapping0(VorbisStream vorbis, BitInputStream source, SetupHeader header) throws VorbisFormatException, IOException {
+
+      int submaps=1;
+
+      if(source.getBit()) {
+         submaps=source.getInt(4)+1;
+      }
+
+      //System.out.println("submaps: "+submaps);
+
+      int channels=vorbis.getIdentificationHeader().getChannels();
+      int ilogChannels=Util.ilog(channels-1);
+
+      //System.out.println("ilogChannels: "+ilogChannels);
+
+      if(source.getBit()) {
+         int couplingSteps=source.getInt(8)+1;
+         magnitudes=new int[couplingSteps];
+         angles=new int[couplingSteps];
+
+         for(int i=0; i<couplingSteps; i++) {
+            magnitudes[i]=source.getInt(ilogChannels);
+            angles[i]=source.getInt(ilogChannels);
+            if(magnitudes[i]==angles[i] || magnitudes[i]>=channels || angles[i]>=channels) {
+               System.err.println(magnitudes[i]);
+               System.err.println(angles[i]);
+               throw new VorbisFormatException("The channel magnitude and/or angle mismatch.");
+            }
+         }
+      }
+      else {
+         magnitudes=new int[0];
+         angles=new int[0];
+      }
+
+      if(source.getInt(2)!=0) {
+         throw new VorbisFormatException("A reserved mapping field has an invalid value.");
+      }
+
+      mux=new int[channels];
+      if(submaps>1) {
+         for(int i=0; i<channels; i++) {
+            mux[i]=source.getInt(4);
+            if(mux[i]>submaps) {
+               throw new VorbisFormatException("A mapping mux value is higher than the number of submaps");
+            }
+         }
+      }
+      else {
+         for(int i=0; i<channels; i++) {
+            mux[i]=0;
+         }
+      }
+
+      submapFloors=new int[submaps];
+      submapResidues=new int[submaps];
+
+      int floorCount=header.getFloors().length;
+      int residueCount=header.getResidues().length;
+
+      for(int i=0; i<submaps; i++) {
+         source.getInt(8); // discard time placeholder
+         submapFloors[i]=source.getInt(8);
+         submapResidues[i]=source.getInt(8);
+
+         if(submapFloors[i]>floorCount) {
+            throw new VorbisFormatException("A mapping floor value is higher than the number of floors.");
+         }
+
+         if(submapResidues[i]>residueCount) {
+            throw new VorbisFormatException("A mapping residue value is higher than the number of residues.");
+         }
+      }
+   }
+
+   protected int getType() {
+      return 0;
+   }
+
+   protected int[] getAngles() {
+      return angles;
+   }
+
+   protected int[] getMagnitudes() {
+      return magnitudes;
+   }
+
+   protected int[] getMux() {
+      return mux;
+   }
+
+   protected int[] getSubmapFloors() {
+      return submapFloors;
+   }
+
+   protected int[] getSubmapResidues() {
+      return submapResidues;
+   }
+
+   protected int getCouplingSteps() {
+      return angles.length;
+   }
+
+   protected int getSubmaps() {
+      return submapFloors.length;
+   }
+}
\ No newline at end of file
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