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Viewing changes to mpeglib/lib/splay/mpegAudioBitWindow.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Martin Schulze
  • Date: 2003-01-22 15:00:51 UTC
  • Revision ID: james.westby@ubuntu.com-20030122150051-uihwkdoxf15mi1tn
Tags: upstream-2.2.2
Import upstream version 2.2.2

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mpeglib/lib/splay/mpegAudioBitWindow.cpp
 
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/*
 
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  bitwindow class
 
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  Copyright (C) 2000  Martin Vogt
 
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  This program is free software; you can redistribute it and/or modify
 
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  it under the terms of the GNU Library General Public License as published by
 
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  the Free Software Foundation.
 
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  For more information look at the file COPYRIGHT in this package
 
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 */
 
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#include "mpegAudioBitWindow.h"
 
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int  MpegAudioBitWindow::getCanReadBits() {
 
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  int p=bitindex>>3;
 
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  int bytes=point - p;
 
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  int bits=bytes*8+(bitindex&7);
 
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  cout << "point:"<<point
 
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       << " p:"<<p
 
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       << " bytes:"<<bytes
 
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       <<" bitindex:"<<bitindex<<" can read:"<<bits<<endl;
 
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  return bits;
 
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}
 
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void MpegAudioBitWindow::wrap(void) {
 
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  int p=bitindex>>3;
 
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  point&=(WINDOWSIZE-1);
 
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  if(p>=point) {
 
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    for(register int i=4;i<point;i++)
 
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      buffer[WINDOWSIZE+i]=buffer[i];
 
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  }
 
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  *((int *)(buffer+WINDOWSIZE))=*((int *)buffer);
 
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}