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/*
* @(#) subband.h 1.6, last edit: 6/15/94 16:55:36
* @(#) Copyright (C) 1993, 1994 Tobias Bading (bading@cs.tu-berlin.de)
* @(#) Berlin University of Technology
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef SUBBAND_H
#define SUBBAND_H
#include "all.h"
#include "ibitstream.h"
#include "header.h"
#include "synthesis_filter.h"
#include "crc.h"
enum e_channels { both, left, right };
// abstract base class for subband classes of layer I and II:
class Subband
{
public:
virtual void read_allocation (Ibitstream *, Header *, Crc16 *) = 0;
virtual void read_scalefactor (Ibitstream *, Header *) = 0;
virtual bool read_sampledata (Ibitstream *) = 0;
virtual bool put_next_sample (e_channels, SynthesisFilter *, SynthesisFilter *) = 0;
};
#endif
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