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<h1>WavPCMSampleValue.h</h1><a href="WavPCMSampleValue_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * steghide 0.5.1 - a steganography program</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at></span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This program is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU General Public License</span>
<a name="l00007"></a>00007 <span class="comment"> * as published by the Free Software Foundation; either version 2</span>
<a name="l00008"></a>00008 <span class="comment"> * of the License, or (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00013"></a>00013 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment"> * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef SH_WAVSAMPLE_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define SH_WAVSAMPLE_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <functional></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="SampleValue_8h.html">SampleValue.h</a>"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">class </span><a class="code" href="classCvrStgFile.html" title="a cover-/stego-file">CvrStgFile</a> ;
<a name="l00029"></a>00029
<a name="l00030"></a><a class="code" href="classWavPCMSampleValue.html">00030</a> <span class="keyword">class </span><a class="code" href="classWavPCMSampleValue.html">WavPCMSampleValue</a> : <span class="keyword">public</span> <a class="code" href="classSampleValue.html" title="the value of a sample in a CvrStgFile">SampleValue</a> {
<a name="l00031"></a>00031 <span class="keyword">public</span>:
<a name="l00032"></a>00032 <a class="code" href="classWavPCMSampleValue.html#ae81b19d622123ba6d70478d5004ff3a">WavPCMSampleValue</a> (<span class="keywordtype">int</span> v) ;
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <a class="code" href="classSampleValue.html" title="the value of a sample in a CvrStgFile">SampleValue</a>* <a class="code" href="classWavPCMSampleValue.html#260934da89ac7e20f54feae081576d80">getNearestTargetSampleValue</a> (<a class="code" href="common_8h.html#cf820202f81f25eb00734eac0d7aed2d">EmbValue</a> t) <span class="keyword">const</span> ;
<a name="l00035"></a>00035 <a class="code" href="common_8h.html#6b8592979b076e06aa233e3f586ac999">UWORD32</a> <a class="code" href="classWavPCMSampleValue.html#e7904bae064c50328d7c308aa9aa41e7">calcDistance</a> (<span class="keyword">const</span> <a class="code" href="classSampleValue.html" title="the value of a sample in a CvrStgFile">SampleValue</a> *s) <span class="keyword">const</span> ;
<a name="l00036"></a>00036 std::string <a class="code" href="classWavPCMSampleValue.html#ca62237ff9ccafa1aeac856474023d38">getName</a> (<span class="keywordtype">void</span>) <span class="keyword">const</span> ;
<a name="l00037"></a>00037
<a name="l00038"></a><a class="code" href="classWavPCMSampleValue.html#2679c00705ed728bf1df9747d7240514">00038</a> <span class="keywordtype">int</span> <a class="code" href="classWavPCMSampleValue.html#2679c00705ed728bf1df9747d7240514">getValue</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span>
<a name="l00039"></a><a class="code" href="classWavPCMSampleValue.html#ae1057f324f86a73e644c4957aca4c0f">00039</a> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code" href="classWavPCMSampleValue.html#ae1057f324f86a73e644c4957aca4c0f">Value</a> ; } ;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keyword">private</span>:
<a name="l00042"></a>00042 <span class="keywordtype">int</span> <a class="code" href="classWavPCMSampleValue.html#ae1057f324f86a73e644c4957aca4c0f">Value</a> ;
<a name="l00043"></a><a class="code" href="classWavPCMSampleValue.html#e0ea5221a0a0fa15fa25a93a3bf23339">00043</a> <span class="keywordtype">int</span> <a class="code" href="classWavPCMSampleValue.html#e0ea5221a0a0fa15fa25a93a3bf23339">MaxValue</a> ;
<a name="l00044"></a><a class="code" href="classWavPCMSampleValue.html#44106d42e52a3e8fa4f6243e2c9ec9e4">00044</a> <span class="keywordtype">int</span> <a class="code" href="classWavPCMSampleValue.html#44106d42e52a3e8fa4f6243e2c9ec9e4">MinValue</a> ;
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="classWavPCMSampleValue.html#64c17455ef7771443deedd5e7bf656d8">00046</a> <a class="code" href="common_8h.html#cf820202f81f25eb00734eac0d7aed2d">EmbValue</a> <a class="code" href="classWavPCMSampleValue.html#64c17455ef7771443deedd5e7bf656d8">calcEValue</a> (<span class="keywordtype">int</span> v)<span class="keyword"> const</span>
<a name="l00047"></a>00047 <span class="keyword"> </span>{ <span class="keywordflow">return</span> (v & 1) ; }
<a name="l00048"></a>00048 } ;
<a name="l00049"></a>00049
<a name="l00050"></a><a class="code" href="classWavPCMSmaller.html">00050</a> <span class="keyword">class </span><a class="code" href="classWavPCMSmaller.html">WavPCMSmaller</a> : <span class="keyword">public</span> std::binary_function<WavPCMSampleValue*,WavPCMSampleValue*,bool> {
<a name="l00051"></a>00051 <span class="keyword">public</span>:
<a name="l00052"></a><a class="code" href="classWavPCMSmaller.html#993ea6043355626967fc854f75effe13">00052</a> <span class="keywordtype">bool</span> <a class="code" href="classWavPCMSmaller.html#993ea6043355626967fc854f75effe13">operator() </a>(<span class="keyword">const</span> <a class="code" href="classWavPCMSampleValue.html">WavPCMSampleValue</a> *v, <span class="keyword">const</span> <a class="code" href="classWavPCMSampleValue.html">WavPCMSampleValue</a> *w) { <span class="keywordflow">return</span> v-><a class="code" href="classWavPCMSampleValue.html#2679c00705ed728bf1df9747d7240514">getValue</a>() < w-><a class="code" href="classWavPCMSampleValue.html#2679c00705ed728bf1df9747d7240514">getValue</a>() ; } ;
<a name="l00053"></a>00053 } ;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#endif // ndef SH_WAVSAMPLE_H</span>
</pre></div></div>
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