remove OPUS, re-add ogg/jorbis

java/src/game/audio/jorbis/Block.java

@@ -0,0 +1,128 @@
+/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
+/* JOrbis
+ * Copyright (C) 2000 ymnk, JCraft,Inc.
+ *  
+ * Written by: 2000 ymnk<ymnk@jcraft.com>
+ *   
+ * Many thanks to 
+ *   Monty <monty@xiph.org> and 
+ *   The XIPHOPHORUS Company http://www.xiph.org/ .
+ * JOrbis has been based on their awesome works, Vorbis codec.
+ *   
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License
+ * as published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+   
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Library General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+package game.audio.jorbis;
+
+import game.audio.jogg.*;
+
+public class Block{
+  ///necessary stream state for linking to the framing abstraction
+  float[][] pcm=new float[0][]; // this is a pointer into local storage
+  Buffer opb=new Buffer();
+
+  int lW;
+  int W;
+  int nW;
+  int pcmend;
+  int mode;
+
+  int eofflag;
+  long granulepos;
+  long sequence;
+  DspState vd; // For read-only access of configuration
+
+  // bitmetrics for the frame
+  int glue_bits;
+  int time_bits;
+  int floor_bits;
+  int res_bits;
+
+  public Block(DspState vd){
+    this.vd=vd;
+    if(vd.analysisp!=0){
+      opb.writeinit();
+    }
+  }
+
+  public void init(DspState vd){
+    this.vd=vd;
+  }
+
+  public int clear(){
+    if(vd!=null){
+      if(vd.analysisp!=0){
+        opb.writeclear();
+      }
+    }
+    return (0);
+  }
+
+  public int synthesis(Packet op){
+    Info vi=vd.vi;
+
+    // first things first.  Make sure decode is ready
+    opb.readinit(op.packet_base, op.packet, op.bytes);
+
+    // Check the packet type
+    if(opb.read(1)!=0){
+      // Oops.  This is not an audio data packet
+      return (-1);
+    }
+
+    // read our mode and pre/post windowsize
+    int _mode=opb.read(vd.modebits);
+    if(_mode==-1)
+      return (-1);
+
+    mode=_mode;
+    W=vi.mode_param[mode].blockflag;
+    if(W!=0){
+      lW=opb.read(1);
+      nW=opb.read(1);
+      if(nW==-1)
+        return (-1);
+    }
+    else{
+      lW=0;
+      nW=0;
+    }
+
+    // more setup
+    granulepos=op.granulepos;
+    sequence=op.packetno-3; // first block is third packet
+    eofflag=op.e_o_s;
+
+    // alloc pcm passback storage
+    pcmend=vi.blocksizes[W];
+    if(pcm.length<vi.channels){
+      pcm=new float[vi.channels][];
+    }
+    for(int i=0; i<vi.channels; i++){
+      if(pcm[i]==null||pcm[i].length<pcmend){
+        pcm[i]=new float[pcmend];
+      }
+      else{
+        for(int j=0; j<pcmend; j++){
+          pcm[i][j]=0;
+        }
+      }
+    }
+
+    // unpack_header enforces range checking
+    int type=vi.map_type[vi.mode_param[mode].mapping];
+    return (FuncMapping.mapping_P[type].inverse(this, vd.mode[mode]));
+  }
+}