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WavPCMSampleValue.h
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/*
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* steghide 0.5.1 - a steganography program
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* Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef SH_WAVSAMPLE_H
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#define SH_WAVSAMPLE_H
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#include <functional>
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#include "
SampleValue.h
"
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class
CvrStgFile
;
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class
WavPCMSampleValue
:
public
SampleValue
{
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public
:
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WavPCMSampleValue
(
int
v) ;
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SampleValue
*
getNearestTargetSampleValue
(
EmbValue
t)
const
;
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UWORD32
calcDistance
(
const
SampleValue
*s)
const
;
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std::string
getName
(
void
)
const
;
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int
getValue
(
void
)
const
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{
return
Value
; } ;
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private
:
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int
Value
;
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int
MaxValue
;
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int
MinValue
;
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EmbValue
calcEValue
(
int
v)
const
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{
return
(v & 1) ; }
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} ;
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class
WavPCMSmaller
:
public
std::binary_function<WavPCMSampleValue*,WavPCMSampleValue*,bool> {
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public
:
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bool
operator()
(
const
WavPCMSampleValue
*v,
const
WavPCMSampleValue
*w) {
return
v->
getValue
() < w->
getValue
() ; } ;
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} ;
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#endif // ndef SH_WAVSAMPLE_H
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