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42 lines
893 B
42 lines
893 B
15 years ago
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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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#include <iostream>
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using namespace std;
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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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}
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