steghide 0.5.1
WavPCMSampleValue.h
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1/*
2 * steghide 0.5.1 - a steganography program
3 * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 *
19 */
20
21#ifndef SH_WAVSAMPLE_H
22#define SH_WAVSAMPLE_H
23
24#include <functional>
25
26#include "SampleValue.h"
27
28class CvrStgFile ;
29
31 public:
32 WavPCMSampleValue (int v) ;
33
35 UWORD32 calcDistance (const SampleValue *s) const ;
36 std::string getName (void) const ;
37
38 int getValue (void) const
39 { return Value ; } ;
40
41 private:
42 int Value ;
45
46 EmbValue calcEValue (int v) const
47 { return (v & 1) ; }
48} ;
49
50class WavPCMSmaller : public std::binary_function<WavPCMSampleValue*,WavPCMSampleValue*,bool> {
51 public:
52 bool operator() (const WavPCMSampleValue *v, const WavPCMSampleValue *w) { return v->getValue() < w->getValue() ; } ;
53} ;
54
55#endif // ndef SH_WAVSAMPLE_H
a cover-/stego-file
Definition CvrStgFile.h:46
the value of a sample in a CvrStgFile
Definition SampleValue.h:61
Definition WavPCMSampleValue.h:30
int getValue(void) const
Definition WavPCMSampleValue.h:38
UWORD32 calcDistance(const SampleValue *s) const
Definition WavPCMSampleValue.cc:106
std::string getName(void) const
Definition WavPCMSampleValue.cc:117
int MinValue
Definition WavPCMSampleValue.h:44
EmbValue calcEValue(int v) const
Definition WavPCMSampleValue.h:46
int Value
Definition WavPCMSampleValue.h:42
WavPCMSampleValue(int v)
Definition WavPCMSampleValue.cc:28
SampleValue * getNearestTargetSampleValue(EmbValue t) const
Definition WavPCMSampleValue.cc:71
int MaxValue
Definition WavPCMSampleValue.h:43
Definition WavPCMSampleValue.h:50
bool operator()(const WavPCMSampleValue *v, const WavPCMSampleValue *w)
Definition WavPCMSampleValue.h:52
unsigned long UWORD32
Definition common.h:45
BYTE EmbValue
Definition common.h:66