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/com/jcraft/jogg/Page.java | 973 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 973 insertions(+)
 create mode 100644 songdbj/com/jcraft/jogg/Page.java

(limited to 'songdbj/com/jcraft/jogg/Page.java')

diff --git a/songdbj/com/jcraft/jogg/Page.java b/songdbj/com/jcraft/jogg/Page.java
new file mode 100644
index 0000000000..fc1add010e
--- /dev/null
+++ b/songdbj/com/jcraft/jogg/Page.java
@@ -0,0 +1,973 @@
+/* -*-mode:java; c-basic-offset:2; -*- */
+/* 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 com.jcraft.jogg;
+
+public class Page{
+  private static int[] crc_lookup=new int[256];
+  static {
+    for(int i=0; i<crc_lookup.length; i++){
+      crc_lookup[i]=crc_entry(i);
+    }
+  }
+
+  private static int crc_entry(int index){
+    int r=index<<24;
+    for(int i=0; i<8; i++){
+      if((r& 0x80000000)!=0){
+        r=(r << 1)^0x04c11db7; /* The same as the ethernet generator
+			          polynomial, although we use an
+				  unreflected alg and an init/final
+				  of 0, not 0xffffffff */
+      }
+      else{
+	r<<=1;
+      }
+    }
+    return(r&0xffffffff);
+  }
+
+  public byte[] header_base;
+  public int header;
+  public int header_len;
+  public byte[] body_base;
+  public int body;
+  public int body_len;
+
+  int version(){
+    return header_base[header+4]&0xff;
+  }
+  int continued(){
+    return (header_base[header+5]&0x01);
+  }
+  public int bos(){
+    return (header_base[header+5]&0x02);
+  }
+  public int eos(){
+    return (header_base[header+5]&0x04);
+  }
+  public long granulepos(){
+    long foo=header_base[header+13]&0xff;
+    foo=(foo<<8)|(header_base[header+12]&0xff);
+    foo=(foo<<8)|(header_base[header+11]&0xff);
+    foo=(foo<<8)|(header_base[header+10]&0xff);
+    foo=(foo<<8)|(header_base[header+9]&0xff);
+    foo=(foo<<8)|(header_base[header+8]&0xff);
+    foo=(foo<<8)|(header_base[header+7]&0xff);
+    foo=(foo<<8)|(header_base[header+6]&0xff);
+    return(foo);
+  }
+  public int serialno(){
+    return (header_base[header+14]&0xff)|
+           ((header_base[header+15]&0xff)<<8)|
+           ((header_base[header+16]&0xff)<<16)|
+           ((header_base[header+17]&0xff)<<24);
+  }
+  int pageno(){
+    return (header_base[header+18]&0xff)|
+           ((header_base[header+19]&0xff)<<8)|
+           ((header_base[header+20]&0xff)<<16)|
+           ((header_base[header+21]&0xff)<<24);
+  }
+
+  void checksum(){
+    int crc_reg=0;
+
+//  for(int i=0;i<header_len;i++){
+//    System.err.println("chksum: "+Integer.toHexString(header_base[header+i]&0xff));
+//  }
+    
+    for(int i=0;i<header_len;i++){
+      crc_reg=(crc_reg<<8)^crc_lookup[((crc_reg>>>24)&0xff)^(header_base[header+i]&0xff)];
+    }
+    for(int i=0;i<body_len;i++){
+      crc_reg=(crc_reg<<8)^crc_lookup[((crc_reg>>>24)&0xff)^(body_base[body+i]&0xff)];
+    }
+    header_base[header+22]=(byte)crc_reg/*&0xff*/;
+    header_base[header+23]=(byte)(crc_reg>>>8)/*&0xff*/;
+    header_base[header+24]=(byte)(crc_reg>>>16)/*&0xff*/;
+    header_base[header+25]=(byte)(crc_reg>>>24)/*&0xff*/;
+  }
+  public Page copy(){
+    return copy(new Page());
+  }
+  public Page copy(Page p){
+    byte[] tmp=new byte[header_len];
+    System.arraycopy(header_base, header, tmp, 0, header_len);
+    p.header_len=header_len;
+    p.header_base=tmp;
+    p.header=0;
+    tmp=new byte[body_len];
+    System.arraycopy(body_base, body, tmp, 0, body_len);
+    p.body_len=body_len;
+    p.body_base=tmp;
+    p.body=0;
+    return p;
+  }
+  /*
+  // TEST
+  static StreamState os_en, os_de;
+  static SyncState oy;
+  void check_page(byte[] data_base, int data, int[] _header){
+    // Test data
+    for(int j=0;j<body_len;j++)
+      if(body_base[body+j]!=data_base[data+j]){
+	System.err.println("body data mismatch at pos "+j+": "+data_base[data+j]+"!="+body_base[body+j]+"!\n");
+      System.exit(1);
+    }
+
+    // Test header
+    for(int j=0;j<header_len;j++){
+      if((header_base[header+j]&0xff)!=_header[j]){
+	System.err.println("header content mismatch at pos "+j);
+	for(int jj=0;jj<_header[26]+27;jj++)
+	  System.err.print(" ("+jj+")"+Integer.toHexString(_header[jj])+":"+Integer.toHexString(header_base[header+jj]));
+	System.err.println("");
+	System.exit(1);
+      }
+    }
+    if(header_len!=_header[26]+27){
+      System.err.print("header length incorrect! ("+header_len+"!="+(_header[26]+27)+")");
+      System.exit(1);
+    }
+  }
+
+  void print_header(){
+    System.err.println("\nHEADER:");
+    System.err.println("  capture: "+
+		       (header_base[header+0]&0xff)+" "+
+		       (header_base[header+1]&0xff)+" "+
+		       (header_base[header+2]&0xff)+" "+
+		       (header_base[header+3]&0xff)+" "+
+                       " version: "+(header_base[header+4]&0xff)+"  flags: "+
+		       (header_base[header+5]&0xff));
+    System.err.println("  pcmpos: "+
+		       (((header_base[header+9]&0xff)<<24)|
+			((header_base[header+8]&0xff)<<16)|
+			((header_base[header+7]&0xff)<<8)|
+			((header_base[header+6]&0xff)))+
+		       "  serialno: "+
+		       (((header_base[header+17]&0xff)<<24)|
+			((header_base[header+16]&0xff)<<16)|
+			((header_base[header+15]&0xff)<<8)|
+			((header_base[header+14]&0xff)))+
+		       "  pageno: "+
+		       (((header_base[header+21]&0xff)<<24)|
+			((header_base[header+20]&0xff)<<16)|
+			((header_base[header+19]&0xff)<<8)|
+			((header_base[header+18]&0xff))));
+
+    System.err.println("  checksum: "+
+		       (header_base[header+22]&0xff)+":"+
+		       (header_base[header+23]&0xff)+":"+
+		       (header_base[header+24]&0xff)+":"+
+		       (header_base[header+25]&0xff)+"\n  segments: "+
+		       (header_base[header+26]&0xff)+" (");
+    for(int j=27;j<header_len;j++){
+      System.err.println((header_base[header+j]&0xff)+" ");
+    }
+    System.err.println(")\n");
+  }
+
+  void copy_page(){
+    byte[] tmp=new byte[header_len];
+    System.arraycopy(header_base, header, tmp, 0, header_len);
+    header_base=tmp;
+    header=0;
+    tmp=new byte[body_len];
+    System.arraycopy(body_base, body, tmp, 0, body_len);
+    body_base=tmp;
+    body=0;
+  }
+
+  static void test_pack(int[] pl, int[][] headers){
+    byte[] data=new byte[1024*1024]; // for scripted test cases only
+    int inptr=0;
+    int outptr=0;
+    int deptr=0;
+    int depacket=0;
+    int pcm_pos=7;
+    int packets,pageno=0,pageout=0;
+    int eosflag=0;
+    int bosflag=0;
+
+    os_en.reset();
+    os_de.reset();
+    oy.reset();
+
+    for(packets=0;;packets++){
+      if(pl[packets]==-1)break;
+    }
+
+    for(int i=0;i<packets;i++){
+      // construct a test packet
+      Packet op=new Packet();
+      int len=pl[i];
+      op.packet_base=data;
+      op.packet=inptr;
+      op.bytes=len;
+      op.e_o_s=(pl[i+1]<0?1:0);
+      op.granulepos=pcm_pos;
+
+      pcm_pos+=1024;
+
+      for(int j=0;j<len;j++){
+	data[inptr++]=(byte)(i+j);
+      }
+
+      // submit the test packet
+      os_en.packetin(op);
+
+      // retrieve any finished pages
+      {
+	Page og=new Page();
+      
+	while(os_en.pageout(og)!=0){
+	  // We have a page.  Check it carefully
+	  //System.err.print(pageno+", ");
+	  if(headers[pageno]==null){
+	    System.err.println("coded too many pages!");
+	    System.exit(1);
+	  }
+	  og.check_page(data, outptr, headers[pageno]);
+
+	  outptr+=og.body_len;
+	  pageno++;
+
+//System.err.println("1# pageno="+pageno+", pageout="+pageout);
+
+	  // have a complete page; submit it to sync/decode
+	  
+	  {
+	    Page og_de=new Page();
+	    Packet op_de=new Packet();
+	    int index=oy.buffer(og.header_len+og.body_len);
+	    byte[] buf=oy.data;
+           System.arraycopy(og.header_base, og.header, buf, index, og.header_len);
+           System.arraycopy(og.body_base, og.body, buf, index+og.header_len, og.body_len);
+	    oy.wrote(og.header_len+og.body_len);
+
+//System.err.println("2# pageno="+pageno+", pageout="+pageout);
+
+	    while(oy.pageout(og_de)>0){
+	      // got a page.  Happy happy.  Verify that it's good.
+	    
+	      og_de.check_page(data, deptr, headers[pageout]);
+	      deptr+=og_de.body_len;
+	      pageout++;
+
+	      // submit it to deconstitution
+	      os_de.pagein(og_de);
+
+	      // packets out?
+	      while(os_de.packetout(op_de)>0){
+	      
+ 	        // verify the packet!
+	        // check data
+		boolean check=false;
+		for(int ii=0; ii<op_de.bytes; ii++){
+		  if(data[depacket+ii]!=op_de.packet_base[op_de.packet+ii]){
+		    check=true;
+		    break;
+		  }
+		}
+		if(check){
+		  System.err.println("packet data mismatch in decode! pos="+
+				     depacket);
+		  System.exit(1);
+		}
+
+	        // check bos flag
+		if(bosflag==0 && op_de.b_o_s==0){
+		  System.err.println("b_o_s flag not set on packet!");
+		  System.exit(1);
+		}
+		if(bosflag!=0 && op_de.b_o_s!=0){
+		  System.err.println("b_o_s flag incorrectly set on packet!");
+		  System.exit(1);
+		}
+	      
+		bosflag=1;
+		depacket+=op_de.bytes;
+	      
+	        // check eos flag
+		if(eosflag!=0){
+		  System.err.println("Multiple decoded packets with eos flag!");
+		  System.exit(1);
+		}
+
+		if(op_de.e_o_s!=0)eosflag=1;
+
+		// check pcmpos flag
+		if(op_de.granulepos!=-1){
+		  System.err.print(" pcm:"+op_de.granulepos+" ");
+		}
+	      }
+	    }
+	  }
+	}
+      }
+    }
+    //free(data);
+    if(headers[pageno]!=null){
+      System.err.println("did not write last page!");
+      System.exit(1);
+    }
+    if(headers[pageout]!=null){
+      System.err.println("did not decode last page!");
+      System.exit(1);
+    }
+    if(inptr!=outptr){
+      System.err.println("encoded page data incomplete!");
+      System.exit(1);
+    }
+    if(inptr!=deptr){
+      System.err.println("decoded page data incomplete!");
+      System.exit(1);
+    }
+    if(inptr!=depacket){
+      System.err.println("decoded packet data incomplete!");
+      System.exit(1);
+    }
+    if(eosflag==0){
+      System.err.println("Never got a packet with EOS set!");
+    }
+    System.err.println("ok.");
+  }
+
+  static void error(){
+    System.err.println("error!");
+    System.exit(1);
+  }
+  public static void main(String[] arg){
+
+    os_en=new StreamState(0x04030201);
+    os_de=new StreamState(0x04030201);
+
+    oy=new SyncState();
+
+    // Exercise each code path in the framing code.  Also verify that
+    // the checksums are working.
+
+    {
+      // 17 only
+      int[] packets={17, -1};
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x06,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0x15,0xed,0xec,0x91,
+		   1,
+		   17};
+      int[][] headret={head1, null};
+    
+      System.err.print("testing single page encoding... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // 17, 254, 255, 256, 500, 510, 600 byte, pad
+      int[] packets={17, 254, 255, 256, 500, 510, 600, -1};
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0x59,0x10,0x6c,0x2c,
+		   1,
+                   17};
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x04,
+		   0x07,0x18,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0x89,0x33,0x85,0xce,
+		   13,
+		   254,255,0,255,1,255,245,255,255,0,
+		   255,255,90};
+      int[][] headret={head1,head2,null};
+
+      System.err.print("testing basic page encoding... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // nil packets; beginning,middle,end
+      int[] packets={0,17, 254, 255, 0, 256, 0, 500, 510, 600, 0, -1};
+
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0xff,0x7b,0x23,0x17,
+		   1,
+		   0};
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x04,
+		   0x07,0x28,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0x5c,0x3f,0x66,0xcb,
+		   17,
+		   17,254,255,0,0,255,1,0,255,245,255,255,0,
+		   255,255,90,0};
+      int[][] headret={head1,head2,null};
+
+      System.err.print("testing basic nil packets... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // large initial packet
+      int[] packets={4345,259,255,-1};
+
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0x01,0x27,0x31,0xaa,
+		   18,
+		   255,255,255,255,255,255,255,255,
+		   255,255,255,255,255,255,255,255,255,10};
+
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x04,
+		   0x07,0x08,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0x7f,0x4e,0x8a,0xd2,
+		   4,
+		   255,4,255,0};
+      int[][] headret={head1,head2,null};
+
+      System.err.print("testing initial-packet lacing > 4k... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // continuing packet test
+      int[] packets={0,4345,259,255,-1};
+
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0xff,0x7b,0x23,0x17,
+		   1,
+		   0};
+
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x00,
+		   0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0x34,0x24,0xd5,0x29,
+		   17,
+		   255,255,255,255,255,255,255,255,
+		   255,255,255,255,255,255,255,255,255};
+
+      int[] head3={0x4f,0x67,0x67,0x53,0,0x05,
+		   0x07,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,2,0,0,0,
+		   0xc8,0xc3,0xcb,0xed,
+		   5,
+		   10,255,4,255,0};
+      int[][] headret={head1,head2,head3,null};
+
+      System.err.print("testing single packet page span... ");
+      test_pack(packets,headret);
+    }
+
+    // page with the 255 segment limit
+    {
+
+      int[] packets={0,10,10,10,10,10,10,10,10,
+		     10,10,10,10,10,10,10,10,
+		     10,10,10,10,10,10,10,10,
+		     10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,50,-1};
+
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0xff,0x7b,0x23,0x17,
+		   1,
+		   0};
+
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x00,
+		   0x07,0xfc,0x03,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0xed,0x2a,0x2e,0xa7,
+		   255,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10,10,
+		   10,10,10,10,10,10,10};
+
+      int[] head3={0x4f,0x67,0x67,0x53,0,0x04,
+		   0x07,0x00,0x04,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,2,0,0,0,
+		   0x6c,0x3b,0x82,0x3d,
+		   1,
+		   50};
+      int[][] headret={head1,head2,head3,null};
+
+      System.err.print("testing max packet segments... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // packet that overspans over an entire page
+
+      int[] packets={0,100,9000,259,255,-1};
+
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0xff,0x7b,0x23,0x17,
+		   1,
+		   0};
+
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x00,
+		   0x07,0x04,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0x3c,0xd9,0x4d,0x3f,
+		   17,
+		   100,255,255,255,255,255,255,255,255,
+		   255,255,255,255,255,255,255,255};
+
+      int[] head3={0x4f,0x67,0x67,0x53,0,0x01,
+		   0x07,0x04,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,2,0,0,0,
+		   0xbd,0xd5,0xb5,0x8b,
+		   17,
+		   255,255,255,255,255,255,255,255,
+		   255,255,255,255,255,255,255,255,255};
+
+      int[] head4={0x4f,0x67,0x67,0x53,0,0x05,
+		   0x07,0x10,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,3,0,0,0,
+		   0xef,0xdd,0x88,0xde,
+		   7,
+		   255,255,75,255,4,255,0};
+      int[][] headret={head1,head2,head3,head4,null};
+
+      System.err.print("testing very large packets... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // term only page.  why not?
+
+      int[] packets={0,100,4080,-1};
+
+      int[] head1={0x4f,0x67,0x67,0x53,0,0x02,
+		   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,0,0,0,0,
+		   0xff,0x7b,0x23,0x17,
+		   1,
+		   0};
+
+      int[] head2={0x4f,0x67,0x67,0x53,0,0x00,
+		   0x07,0x04,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,1,0,0,0,
+		   0x3c,0xd9,0x4d,0x3f,
+		   17,
+		   100,255,255,255,255,255,255,255,255,
+		   255,255,255,255,255,255,255,255};
+
+      int[] head3={0x4f,0x67,0x67,0x53,0,0x05,
+		   0x07,0x08,0x00,0x00,0x00,0x00,0x00,0x00,
+		   0x01,0x02,0x03,0x04,2,0,0,0,
+		   0xd4,0xe0,0x60,0xe5,
+		   1,0};
+
+      int[][] headret={head1,head2,head3,null};
+
+      System.err.print("testing zero data page (1 nil packet)... ");
+      test_pack(packets,headret);
+    }
+
+    {
+      // build a bunch of pages for testing
+      byte[] data=new byte[1024*1024];
+      int[] pl={0,100,4079,2956,2057,76,34,912,0,234,1000,1000,1000,300,-1};
+      int inptr=0;
+      Page[] og=new Page[5];
+      for(int i=0; i<5; i++){
+	og[i]=new Page();
+      }
+    
+      os_en.reset();
+
+      for(int i=0;pl[i]!=-1;i++){
+	Packet op=new Packet();
+	int len=pl[i];
+      
+	op.packet_base=data;
+	op.packet=inptr;
+	op.bytes=len;
+	op.e_o_s=(pl[i+1]<0?1:0);
+	op.granulepos=(i+1)*1000;
+	
+	for(int j=0;j<len;j++)data[inptr++]=(byte)(i+j);
+	os_en.packetin(op);
+      }    
+
+//    free(data);
+
+      // retrieve finished pages
+      for(int i=0;i<5;i++){
+	if(os_en.pageout(og[i])==0){
+	  System.err.print("Too few pages output building sync tests!\n");
+	  System.exit(1);
+	}
+	og[i].copy_page();
+      }
+
+      // Test lost pages on pagein/packetout: no rollback
+      {
+	Page temp=new Page();
+	Packet test=new Packet();
+
+	System.err.print("Testing loss of pages... ");
+
+	oy.reset();
+	os_de.reset();
+	for(int i=0;i<5;i++){
+	  int index=oy.buffer(og[i].header_len);
+	  System.arraycopy(og[i].header_base, og[i].header,
+			   oy.data, index, og[i].header_len);
+	  oy.wrote(og[i].header_len);
+	  index=oy.buffer(og[i].body_len);
+	  System.arraycopy(og[i].body_base, og[i].body,
+			   oy.data, index, og[i].body_len);
+	  oy.wrote(og[i].body_len);
+	}
+
+	oy.pageout(temp);
+	os_de.pagein(temp);
+	oy.pageout(temp);
+	os_de.pagein(temp);
+	oy.pageout(temp);
+
+        // skip
+	oy.pageout(temp);
+	os_de.pagein(temp);
+
+        // do we get the expected results/packets?
+      
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(0,0,0);
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(100,1,-1);
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(4079,2,3000);
+	if(os_de.packetout(test)!=-1){
+	  System.err.println("Error: loss of page did not return error");
+	  System.exit(1);
+	}
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(76,5,-1);
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(34,6,-1);
+	System.err.println("ok.");
+      }
+
+      // Test lost pages on pagein/packetout: rollback with continuation
+      {
+	Page temp=new Page();
+	Packet test=new Packet();
+
+	System.err.print("Testing loss of pages (rollback required)... ");
+
+	oy.reset();
+	os_de.reset();
+	for(int i=0;i<5;i++){
+	  int index=oy.buffer(og[i].header_len);
+	  System.arraycopy(og[i].header_base, og[i].header,
+			   oy.data, index, og[i].header_len);
+	  oy.wrote(og[i].header_len);
+	  index=oy.buffer(og[i].body_len);
+	  System.arraycopy(og[i].body_base, og[i].body,
+			   oy.data, index, og[i].body_len);
+	  oy.wrote(og[i].body_len);
+	}
+
+	oy.pageout(temp);
+	os_de.pagein(temp);
+	oy.pageout(temp);
+	os_de.pagein(temp);
+	oy.pageout(temp);
+	os_de.pagein(temp);
+	oy.pageout(temp);
+        // skip
+	oy.pageout(temp);
+	os_de.pagein(temp);
+
+        // do we get the expected results/packets?
+      
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(0,0,0);
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(100,1,-1);
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(4079,2,3000);
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(2956,3,4000);
+	if(os_de.packetout(test)!=-1){
+	  System.err.println("Error: loss of page did not return error");
+	  System.exit(1);
+	}
+	if(os_de.packetout(test)!=1)error();
+	test.checkpacket(300,13,14000);
+	System.err.println("ok.");
+      }
+
+      // the rest only test sync
+      {
+    	Page og_de=new Page();
+        // Test fractional page inputs: incomplete capture
+    	System.err.print("Testing sync on partial inputs... ");
+    	oy.reset();
+    	int index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header, 
+    			 oy.data, index, 3);
+    	oy.wrote(3);
+    	if(oy.pageout(og_de)>0)error();
+      
+        // Test fractional page inputs: incomplete fixed header
+    	index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header+3, 
+    			 oy.data, index, 20);
+    
+    	oy.wrote(20);
+    	if(oy.pageout(og_de)>0)error();
+    
+        // Test fractional page inputs: incomplete header
+    	index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header+23, 
+    			 oy.data, index, 5);
+    	oy.wrote(5);
+    	if(oy.pageout(og_de)>0)error();
+    
+        // Test fractional page inputs: incomplete body
+    	index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header+28, 
+    			 oy.data, index, og[1].header_len-28);
+    	oy.wrote(og[1].header_len-28);
+    	if(oy.pageout(og_de)>0)error();
+    
+    	index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body,
+    			 oy.data, index, 1000);
+    	oy.wrote(1000);
+    	if(oy.pageout(og_de)>0)error();
+
+    	index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body+1000,
+    			 oy.data, index, og[1].body_len-1000);
+    	oy.wrote(og[1].body_len-1000);
+    	if(oy.pageout(og_de)<=0)error();
+    	System.err.println("ok.");
+      }
+
+      // Test fractional page inputs: page + incomplete capture
+      {
+    	Page og_de=new Page();
+    	System.err.print("Testing sync on 1+partial inputs... ");
+    	oy.reset(); 
+
+    	int index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header,
+    			 oy.data, index, og[1].header_len);
+    	oy.wrote(og[1].header_len);
+
+    	index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body,
+    			 oy.data, index, og[1].body_len);
+    	oy.wrote(og[1].body_len);
+
+    	index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header,
+    			 oy.data, index, 20);
+    	oy.wrote(20);
+    	if(oy.pageout(og_de)<=0)error();
+    	if(oy.pageout(og_de)>0)error();
+
+    	index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header+20,
+    			 oy.data, index, og[1].header_len-20);
+    	oy.wrote(og[1].header_len-20);
+    	index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body,
+    			 oy.data, index, og[1].body_len);
+    	     
+    	oy.wrote(og[1].body_len);
+    	if(oy.pageout(og_de)<=0)error();
+    
+    	System.err.println("ok.");
+      }
+
+//    //    //    //    //    //    //    //    //    
+      // Test recapture: garbage + page
+      {
+    	Page og_de=new Page();
+    	System.err.print("Testing search for capture... ");
+    	oy.reset(); 
+      
+        // 'garbage'
+    	int index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body,
+    			 oy.data, index, og[1].body_len);
+    	oy.wrote(og[1].body_len);
+
+    	index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header,
+    			 oy.data, index, og[1].header_len);
+    	oy.wrote(og[1].header_len);
+
+    	index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body,
+    			 oy.data, index, og[1].body_len);
+    	oy.wrote(og[1].body_len);
+
+    	index=oy.buffer(og[2].header_len);
+    	System.arraycopy(og[2].header_base, og[2].header,
+    			 oy.data, index, 20);
+
+    	oy.wrote(20);
+    	if(oy.pageout(og_de)>0)error();
+    	if(oy.pageout(og_de)<=0)error();
+    	if(oy.pageout(og_de)>0)error();
+
+    	index=oy.buffer(og[2].header_len);
+    	System.arraycopy(og[2].header_base, og[2].header+20,
+    			 oy.data, index, og[2].header_len-20);
+    	oy.wrote(og[2].header_len-20);
+    	index=oy.buffer(og[2].body_len);
+    	System.arraycopy(og[2].body_base, og[2].body,
+    			 oy.data, index, og[2].body_len);
+    	oy.wrote(og[2].body_len);
+    	if(oy.pageout(og_de)<=0)error();
+
+    	System.err.println("ok.");
+      }
+
+      // Test recapture: page + garbage + page
+      {
+    	Page og_de=new Page();
+    	System.err.print("Testing recapture... ");
+    	oy.reset(); 
+
+    	int index=oy.buffer(og[1].header_len);
+    	System.arraycopy(og[1].header_base, og[1].header,
+    			 oy.data, index, og[1].header_len);
+    	oy.wrote(og[1].header_len);
+
+    	index=oy.buffer(og[1].body_len);
+    	System.arraycopy(og[1].body_base, og[1].body,
+    			 oy.data, index, og[1].body_len);
+    	oy.wrote(og[1].body_len);
+
+    	index=oy.buffer(og[2].header_len);
+    	System.arraycopy(og[2].header_base, og[2].header,
+    			 oy.data, index, og[2].header_len);
+    	oy.wrote(og[2].header_len);
+
+    	index=oy.buffer(og[2].header_len);
+    	System.arraycopy(og[2].header_base, og[2].header,
+    			 oy.data, index, og[2].header_len);
+    	oy.wrote(og[2].header_len);
+
+    	if(oy.pageout(og_de)<=0)error();
+
+    	index=oy.buffer(og[2].body_len);
+    	System.arraycopy(og[2].body_base, og[2].body,
+    			 oy.data, index, og[2].body_len-5);
+    	oy.wrote(og[2].body_len-5);
+
+    	index=oy.buffer(og[3].header_len);
+    	System.arraycopy(og[3].header_base, og[3].header,
+    			 oy.data, index, og[3].header_len);
+    	oy.wrote(og[3].header_len);
+
+    	index=oy.buffer(og[3].body_len);
+    	System.arraycopy(og[3].body_base, og[3].body,
+    			 oy.data, index, og[3].body_len);
+    	oy.wrote(og[3].body_len);
+
+    	if(oy.pageout(og_de)>0)error();
+    	if(oy.pageout(og_de)<=0)error();
+
+    	System.err.println("ok.");
+      }
+    }    
+    //return(0);
+  }
+  */
+}
-- 
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