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<a href="AudioData_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * steghide 0.5.1 - a steganography program</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This program is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * modify it under the terms of the GNU General Public License</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * as published by the Free Software Foundation; either version 2</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef SH_AUDIODATA_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define SH_AUDIODATA_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="AudioSampleValue_8h.html">AudioSampleValue.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">class </span><a class="code" href="classBinaryIO.html">BinaryIO</a> ;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="CvrStgObject_8h.html">CvrStgObject.h</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classAudioData.html"> 37</a></span> <span class="keyword">class </span><a class="code" href="classAudioData.html">AudioData</a> : <span class="keyword">public</span> <a class="code" href="classCvrStgObject.html">CvrStgObject</a> {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6"> 40</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> <a class="code" href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6">NoLimit</a> = 0 ;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAudioData.html#aa3ac98fcebcd5e2f5376464b08212e58">read</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> n = <a class="code" href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6">NoLimit</a>) = 0 ;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAudioData.html#aedc90f99fe9da3fd0012e2fb79403d88">write</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> n = <a class="code" href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6">NoLimit</a>) = 0 ;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> } ;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">template</span><AUDIOSAMPLETYPE Type, <span class="keyword">class</span> ValueType, <span class="keyword">class</span> SampleValueType = AudioSampleValue<Type,ValueType> ></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html"> 51</a></span> <span class="keyword">class </span><a class="code" href="classAudioDataImpl.html">AudioDataImpl</a> : <span class="keyword">public</span> <a class="code" href="classAudioData.html">AudioData</a> {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a5775d49843e1ab609610f6cf4efb178e"> 53</a></span>  <a class="code" href="classAudioDataImpl.html#a5775d49843e1ab609610f6cf4efb178e">AudioDataImpl</a> (<a class="code" href="classCvrStgFile.html">CvrStgFile</a>* f) : <a class="code" href="classAudioDataImpl.html#ae7e85812b02849f1f194aee11b0d30f9">TheCvrStgFile</a>(f) {} ;</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a700d701bf616673b6f09d761ea31307d"> 54</a></span>  <span class="keyword">virtual</span> <a class="code" href="classAudioDataImpl.html#a700d701bf616673b6f09d761ea31307d">~AudioDataImpl</a> (<span class="keywordtype">void</span>) {} ;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a6c8105d5fceee538b423e8b137ecd3ab">read</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> n = <a class="code" href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6">AudioData::NoLimit</a>) ;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a66671d9d8ee1c2322f4226dad81e257c">write</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> n = <a class="code" href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6">AudioData::NoLimit</a>) ;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classAudioDataImpl.html#afb68cfcece32b31ffb29e15449edefca">getNumSamples</a> (<span class="keywordtype">void</span>) <span class="keyword">const</span> ;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="classSampleValue.html">SampleValue</a>* <a class="code" href="classAudioDataImpl.html#a737bcaf96537b02278cba6ff92f8746d">getSampleValue</a> (<span class="keyword">const</span> <a class="code" href="common_8h.html#a048401d1365616f5eef97e251096a02d">SamplePos</a> pos) <span class="keyword">const</span> ;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a2522e8ff1588325b0fe93210a3c048f5">replaceSample</a> (<span class="keyword">const</span> <a class="code" href="common_8h.html#a048401d1365616f5eef97e251096a02d">SamplePos</a> pos, <span class="keyword">const</span> <a class="code" href="classSampleValue.html">SampleValue</a>* s) ;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a966787e5527fc0fd8a9513bcf3313941"> 64</a></span>  std::vector<ValueType> <a class="code" href="classAudioDataImpl.html#a966787e5527fc0fd8a9513bcf3313941">Data</a> ;</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#ae7e85812b02849f1f194aee11b0d30f9"> 65</a></span>  <a class="code" href="classCvrStgFile.html">CvrStgFile</a>* <a class="code" href="classAudioDataImpl.html#ae7e85812b02849f1f194aee11b0d30f9">TheCvrStgFile</a> ;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  ValueType <a class="code" href="classAudioDataImpl.html#ab420767cb6b791361ae9cc7b2a05dc5d">readValue</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io) <span class="keyword">const</span> ;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a0db2e7dad668f9abf5e2f7388ca547a2">writeValue</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, ValueType v) <span class="keyword">const</span> ;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> } ;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#include "<a class="code" href="error_8h.html">error.h</a>"</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">template</span><AUDIOSAMPLETYPE Type, <span class="keyword">class</span> ValueType, <span class="keyword">class</span> SampleValueType></div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a6c8105d5fceee538b423e8b137ecd3ab"> 74</a></span> <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a6c8105d5fceee538b423e8b137ecd3ab">AudioDataImpl<Type,ValueType,SampleValueType>::read</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> n)</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (n == NoLimit) {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  Data.clear() ;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">while</span> (!io-><a class="code" href="classBinaryIO.html#aa9b7b67505fa2533f9750cabad423e34">eof</a>()) {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Data.push_back (readValue(io)) ;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  Data.resize (n) ;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">for</span> (<a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> i = 0 ; i < n ; i++) {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  Data[i] = readValue(io) ;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">catch</span> (<a class="code" href="classBinaryInputError.html">BinaryInputError</a> e) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">switch</span> (e.<a class="code" href="classBinaryInputError.html#a7dfcbc6c4b9cd7eeb2375a4d9edcd663">getType</a>()) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">case</span> <a class="code" href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80a68d5427b80ee64ff6c23c5b295c16a15">BinaryInputError::FILE_ERR</a>:</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">throw</span> <a class="code" href="classSteghideError.html">SteghideError</a> (<a class="code" href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a>(<span class="stringliteral">"an error occured while reading the audio data from the file \"%s\"."</span>), io-><a class="code" href="classBinaryIO.html#a8ab6e9850dcb714109109a25f0c0e7c7">getName</a>().c_str()) ;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  break ;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">case</span> <a class="code" href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80aa3a997b2c176c085657bfe9dc3a18820">BinaryInputError::FILE_EOF</a>:</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">throw</span> <a class="code" href="classSteghideError.html">SteghideError</a> (<a class="code" href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a>(<span class="stringliteral">"premature end of file \"%s\" while reading audio data."</span>), io-><a class="code" href="classBinaryIO.html#a8ab6e9850dcb714109109a25f0c0e7c7">getName</a>().c_str()) ;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  break ;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">case</span> <a class="code" href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80a271275429fb38da06d7f1828962aafc2">BinaryInputError::STDIN_ERR</a>:</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">throw</span> <a class="code" href="classSteghideError.html">SteghideError</a> (<a class="code" href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a>(<span class="stringliteral">"an error occured while reading the audio data from standard input."</span>)) ;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  break ;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">case</span> <a class="code" href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80aa0b10e8c6660d29bd44920088e13b547">BinaryInputError::STDIN_EOF</a>:</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">throw</span> <a class="code" href="classSteghideError.html">SteghideError</a> (<a class="code" href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a>(<span class="stringliteral">"premature end of data from standard input while reading audio data."</span>)) ;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  break ;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">template</span><AUDIOSAMPLETYPE Type, <span class="keyword">class</span> ValueType, <span class="keyword">class</span> SampleValueType></div>
<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a66671d9d8ee1c2322f4226dad81e257c"> 120</a></span> <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a66671d9d8ee1c2322f4226dad81e257c">AudioDataImpl<Type,ValueType,SampleValueType>::write</a> (<a class="code" href="classBinaryIO.html">BinaryIO</a>* io, <a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> n)</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (n == NoLimit) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  n = Data.size() ;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">for</span> (<a class="code" href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a> i = 0 ; i < n ; i++) {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  writeValue (io, Data[i]) ;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">catch</span> (<a class="code" href="classBinaryOutputError.html">BinaryOutputError</a> e) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">switch</span> (e.<a class="code" href="classBinaryOutputError.html#a1103053c25c9bd243be37c85bfa8144c">getType</a>()) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">case</span> <a class="code" href="classBinaryOutputError.html#a7b16a5e7bb3efac8bd37555a1da4db6caaa6585014f63247bc991e256c76fa1fa">BinaryOutputError::FILE_ERR</a>:</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">throw</span> <a class="code" href="classSteghideError.html">SteghideError</a> (<a class="code" href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a>(<span class="stringliteral">"an error occured while writing the audio data to the file \"%s\"."</span>), io-><a class="code" href="classBinaryIO.html#a8ab6e9850dcb714109109a25f0c0e7c7">getName</a>().c_str()) ;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  break ;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">case</span> <a class="code" href="classBinaryOutputError.html#a7b16a5e7bb3efac8bd37555a1da4db6ca67dab9937d3cf0e71109946f73d53b3f">BinaryOutputError::STDOUT_ERR</a>:</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">throw</span> <a class="code" href="classSteghideError.html">SteghideError</a> (<a class="code" href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a>(<span class="stringliteral">"an error occured while writing the audio data to standard output."</span>)) ;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  break ;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">template</span><AUDIOSAMPLETYPE Type, <span class="keyword">class</span> ValueType, <span class="keyword">class</span> SampleValueType></div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#afb68cfcece32b31ffb29e15449edefca"> 148</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classAudioDataImpl.html#afb68cfcece32b31ffb29e15449edefca">AudioDataImpl<Type,ValueType,SampleValueType>::getNumSamples</a> (<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> Data.size() ;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">template</span><AUDIOSAMPLETYPE Type, <span class="keyword">class</span> ValueType, <span class="keyword">class</span> SampleValueType></div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a737bcaf96537b02278cba6ff92f8746d"> 154</a></span> <a class="code" href="classSampleValue.html">SampleValue</a>* <a class="code" href="classAudioDataImpl.html#a737bcaf96537b02278cba6ff92f8746d">AudioDataImpl<Type,ValueType,SampleValueType>::getSampleValue</a> (<span class="keyword">const</span> <a class="code" href="common_8h.html#a048401d1365616f5eef97e251096a02d">SamplePos</a> pos)<span class="keyword"> const</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="common_8h.html#ad831915bc375efb1fab423abe2d0237a">myassert</a> (pos < Data.size()) ;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> ((<a class="code" href="classSampleValue.html">SampleValue</a>*) <span class="keyword">new</span> SampleValueType (Data[pos])) ;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">template</span><AUDIOSAMPLETYPE Type, <span class="keyword">class</span> ValueType, <span class="keyword">class</span> SampleValueType></div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="classAudioDataImpl.html#a2522e8ff1588325b0fe93210a3c048f5"> 161</a></span> <span class="keywordtype">void</span> <a class="code" href="classAudioDataImpl.html#a2522e8ff1588325b0fe93210a3c048f5">AudioDataImpl<Type,ValueType,SampleValueType>::replaceSample</a> (<span class="keyword">const</span> <a class="code" href="common_8h.html#a048401d1365616f5eef97e251096a02d">SamplePos</a> pos, <span class="keyword">const</span> <a class="code" href="classSampleValue.html">SampleValue</a>* s)</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> SampleValueType* sample = <span class="keyword">dynamic_cast<</span><span class="keyword">const </span>SampleValueType*<span class="keyword">></span> (s) ;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="common_8h.html#ad831915bc375efb1fab423abe2d0237a">myassert</a> (sample) ;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="common_8h.html#ad831915bc375efb1fab423abe2d0237a">myassert</a> (pos < Data.size()) ;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  Data[pos] = sample->getValue() ;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#endif // ndef SH_AUDIODATA_H</span></div>
<div class="ttc" id="classSteghideError_html"><div class="ttname"><a href="classSteghideError.html">SteghideError</a></div><div class="ttdef"><b>Definition:</b> SteghideError.h:28</div></div>
<div class="ttc" id="classBinaryInputError_html_a7dfcbc6c4b9cd7eeb2375a4d9edcd663"><div class="ttname"><a href="classBinaryInputError.html#a7dfcbc6c4b9cd7eeb2375a4d9edcd663">BinaryInputError::getType</a></div><div class="ttdeci">TYPE getType(void)</div><div class="ttdef"><b>Definition:</b> error.cc:76</div></div>
<div class="ttc" id="common_8h_html_aa06e91c029ac29220c178c21e259f640"><div class="ttname"><a href="common_8h.html#aa06e91c029ac29220c178c21e259f640">_</a></div><div class="ttdeci">#define _(S)</div><div class="ttdef"><b>Definition:</b> common.h:78</div></div>
<div class="ttc" id="classBinaryInputError_html_a4000f1a2d7550997308b5180cd2c3b80a68d5427b80ee64ff6c23c5b295c16a15"><div class="ttname"><a href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80a68d5427b80ee64ff6c23c5b295c16a15">BinaryInputError::FILE_ERR</a></div><div class="ttdef"><b>Definition:</b> error.h:40</div></div>
<div class="ttc" id="classBinaryOutputError_html_a7b16a5e7bb3efac8bd37555a1da4db6ca67dab9937d3cf0e71109946f73d53b3f"><div class="ttname"><a href="classBinaryOutputError.html#a7b16a5e7bb3efac8bd37555a1da4db6ca67dab9937d3cf0e71109946f73d53b3f">BinaryOutputError::STDOUT_ERR</a></div><div class="ttdef"><b>Definition:</b> error.h:55</div></div>
<div class="ttc" id="classCvrStgFile_html"><div class="ttname"><a href="classCvrStgFile.html">CvrStgFile</a></div><div class="ttdoc">a cover-/stego-file </div><div class="ttdef"><b>Definition:</b> CvrStgFile.h:46</div></div>
<div class="ttc" id="classAudioDataImpl_html_a737bcaf96537b02278cba6ff92f8746d"><div class="ttname"><a href="classAudioDataImpl.html#a737bcaf96537b02278cba6ff92f8746d">AudioDataImpl::getSampleValue</a></div><div class="ttdeci">SampleValue * getSampleValue(const SamplePos pos) const </div><div class="ttdef"><b>Definition:</b> AudioData.h:154</div></div>
<div class="ttc" id="classCvrStgObject_html"><div class="ttname"><a href="classCvrStgObject.html">CvrStgObject</a></div><div class="ttdoc">an object that can hold embedded data </div><div class="ttdef"><b>Definition:</b> CvrStgObject.h:40</div></div>
<div class="ttc" id="common_8h_html_a048401d1365616f5eef97e251096a02d"><div class="ttname"><a href="common_8h.html#a048401d1365616f5eef97e251096a02d">SamplePos</a></div><div class="ttdeci">UWORD32 SamplePos</div><div class="ttdef"><b>Definition:</b> common.h:67</div></div>
<div class="ttc" id="classBinaryIO_html_aa9b7b67505fa2533f9750cabad423e34"><div class="ttname"><a href="classBinaryIO.html#aa9b7b67505fa2533f9750cabad423e34">BinaryIO::eof</a></div><div class="ttdeci">bool eof(void) const </div><div class="ttdef"><b>Definition:</b> BinaryIO.cc:123</div></div>
<div class="ttc" id="classAudioDataImpl_html_a966787e5527fc0fd8a9513bcf3313941"><div class="ttname"><a href="classAudioDataImpl.html#a966787e5527fc0fd8a9513bcf3313941">AudioDataImpl::Data</a></div><div class="ttdeci">std::vector< ValueType > Data</div><div class="ttdef"><b>Definition:</b> AudioData.h:64</div></div>
<div class="ttc" id="classBinaryOutputError_html_a7b16a5e7bb3efac8bd37555a1da4db6caaa6585014f63247bc991e256c76fa1fa"><div class="ttname"><a href="classBinaryOutputError.html#a7b16a5e7bb3efac8bd37555a1da4db6caaa6585014f63247bc991e256c76fa1fa">BinaryOutputError::FILE_ERR</a></div><div class="ttdef"><b>Definition:</b> error.h:55</div></div>
<div class="ttc" id="classSampleValue_html"><div class="ttname"><a href="classSampleValue.html">SampleValue</a></div><div class="ttdoc">the value of a sample in a CvrStgFile </div><div class="ttdef"><b>Definition:</b> SampleValue.h:61</div></div>
<div class="ttc" id="error_8h_html"><div class="ttname"><a href="error_8h.html">error.h</a></div></div>
<div class="ttc" id="common_8h_html_ad831915bc375efb1fab423abe2d0237a"><div class="ttname"><a href="common_8h.html#ad831915bc375efb1fab423abe2d0237a">myassert</a></div><div class="ttdeci">#define myassert(expr)</div><div class="ttdef"><b>Definition:</b> common.h:89</div></div>
<div class="ttc" id="classAudioDataImpl_html_ab420767cb6b791361ae9cc7b2a05dc5d"><div class="ttname"><a href="classAudioDataImpl.html#ab420767cb6b791361ae9cc7b2a05dc5d">AudioDataImpl::readValue</a></div><div class="ttdeci">ValueType readValue(BinaryIO *io) const </div><div class="ttdef"><b>Definition:</b> AuData.h:29</div></div>
<div class="ttc" id="AudioSampleValue_8h_html"><div class="ttname"><a href="AudioSampleValue_8h.html">AudioSampleValue.h</a></div></div>
<div class="ttc" id="classAudioDataImpl_html"><div class="ttname"><a href="classAudioDataImpl.html">AudioDataImpl</a></div><div class="ttdoc">implementation of the AudioData-Interface </div><div class="ttdef"><b>Definition:</b> AudioData.h:51</div></div>
<div class="ttc" id="classAudioDataImpl_html_ae7e85812b02849f1f194aee11b0d30f9"><div class="ttname"><a href="classAudioDataImpl.html#ae7e85812b02849f1f194aee11b0d30f9">AudioDataImpl::TheCvrStgFile</a></div><div class="ttdeci">CvrStgFile * TheCvrStgFile</div><div class="ttdef"><b>Definition:</b> AudioData.h:65</div></div>
<div class="ttc" id="classAudioDataImpl_html_afb68cfcece32b31ffb29e15449edefca"><div class="ttname"><a href="classAudioDataImpl.html#afb68cfcece32b31ffb29e15449edefca">AudioDataImpl::getNumSamples</a></div><div class="ttdeci">unsigned long getNumSamples(void) const </div><div class="ttdef"><b>Definition:</b> AudioData.h:148</div></div>
<div class="ttc" id="common_8h_html_a6b8592979b076e06aa233e3f586ac999"><div class="ttname"><a href="common_8h.html#a6b8592979b076e06aa233e3f586ac999">UWORD32</a></div><div class="ttdeci">unsigned long UWORD32</div><div class="ttdef"><b>Definition:</b> common.h:45</div></div>
<div class="ttc" id="classAudioDataImpl_html_a700d701bf616673b6f09d761ea31307d"><div class="ttname"><a href="classAudioDataImpl.html#a700d701bf616673b6f09d761ea31307d">AudioDataImpl::~AudioDataImpl</a></div><div class="ttdeci">virtual ~AudioDataImpl(void)</div><div class="ttdef"><b>Definition:</b> AudioData.h:54</div></div>
<div class="ttc" id="classAudioData_html"><div class="ttname"><a href="classAudioData.html">AudioData</a></div><div class="ttdoc">interface definition for AudioData objects. </div><div class="ttdef"><b>Definition:</b> AudioData.h:37</div></div>
<div class="ttc" id="classBinaryIO_html"><div class="ttname"><a href="classBinaryIO.html">BinaryIO</a></div><div class="ttdoc">provides methods for file i/o as needed by the rest of steghide </div><div class="ttdef"><b>Definition:</b> BinaryIO.h:33</div></div>
<div class="ttc" id="classAudioDataImpl_html_a6c8105d5fceee538b423e8b137ecd3ab"><div class="ttname"><a href="classAudioDataImpl.html#a6c8105d5fceee538b423e8b137ecd3ab">AudioDataImpl::read</a></div><div class="ttdeci">void read(BinaryIO *io, UWORD32 n=AudioData::NoLimit)</div><div class="ttdef"><b>Definition:</b> AudioData.h:74</div></div>
<div class="ttc" id="classBinaryOutputError_html_a1103053c25c9bd243be37c85bfa8144c"><div class="ttname"><a href="classBinaryOutputError.html#a1103053c25c9bd243be37c85bfa8144c">BinaryOutputError::getType</a></div><div class="ttdeci">TYPE getType(void)</div><div class="ttdef"><b>Definition:</b> error.cc:102</div></div>
<div class="ttc" id="classAudioData_html_aedc90f99fe9da3fd0012e2fb79403d88"><div class="ttname"><a href="classAudioData.html#aedc90f99fe9da3fd0012e2fb79403d88">AudioData::write</a></div><div class="ttdeci">virtual void write(BinaryIO *io, UWORD32 n=NoLimit)=0</div></div>
<div class="ttc" id="classBinaryOutputError_html"><div class="ttname"><a href="classBinaryOutputError.html">BinaryOutputError</a></div><div class="ttdef"><b>Definition:</b> error.h:53</div></div>
<div class="ttc" id="classBinaryInputError_html"><div class="ttname"><a href="classBinaryInputError.html">BinaryInputError</a></div><div class="ttdef"><b>Definition:</b> error.h:38</div></div>
<div class="ttc" id="classBinaryInputError_html_a4000f1a2d7550997308b5180cd2c3b80a271275429fb38da06d7f1828962aafc2"><div class="ttname"><a href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80a271275429fb38da06d7f1828962aafc2">BinaryInputError::STDIN_ERR</a></div><div class="ttdef"><b>Definition:</b> error.h:40</div></div>
<div class="ttc" id="classAudioDataImpl_html_a66671d9d8ee1c2322f4226dad81e257c"><div class="ttname"><a href="classAudioDataImpl.html#a66671d9d8ee1c2322f4226dad81e257c">AudioDataImpl::write</a></div><div class="ttdeci">void write(BinaryIO *io, UWORD32 n=AudioData::NoLimit)</div><div class="ttdef"><b>Definition:</b> AudioData.h:120</div></div>
<div class="ttc" id="classBinaryIO_html_a8ab6e9850dcb714109109a25f0c0e7c7"><div class="ttname"><a href="classBinaryIO.html#a8ab6e9850dcb714109109a25f0c0e7c7">BinaryIO::getName</a></div><div class="ttdeci">const std::string & getName(void) const </div><div class="ttdef"><b>Definition:</b> BinaryIO.h:53</div></div>
<div class="ttc" id="classAudioData_html_aa3ac98fcebcd5e2f5376464b08212e58"><div class="ttname"><a href="classAudioData.html#aa3ac98fcebcd5e2f5376464b08212e58">AudioData::read</a></div><div class="ttdeci">virtual void read(BinaryIO *io, UWORD32 n=NoLimit)=0</div></div>
<div class="ttc" id="classAudioDataImpl_html_a2522e8ff1588325b0fe93210a3c048f5"><div class="ttname"><a href="classAudioDataImpl.html#a2522e8ff1588325b0fe93210a3c048f5">AudioDataImpl::replaceSample</a></div><div class="ttdeci">void replaceSample(const SamplePos pos, const SampleValue *s)</div><div class="ttdef"><b>Definition:</b> AudioData.h:161</div></div>
<div class="ttc" id="classAudioData_html_ae4e3f99d2d21a5982aa1f76d78367cf6"><div class="ttname"><a href="classAudioData.html#ae4e3f99d2d21a5982aa1f76d78367cf6">AudioData::NoLimit</a></div><div class="ttdeci">static const UWORD32 NoLimit</div><div class="ttdoc">constant that can be used as parameter to read and write to indicate that there is no limit ...</div><div class="ttdef"><b>Definition:</b> AudioData.h:40</div></div>
<div class="ttc" id="classBinaryInputError_html_a4000f1a2d7550997308b5180cd2c3b80aa0b10e8c6660d29bd44920088e13b547"><div class="ttname"><a href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80aa0b10e8c6660d29bd44920088e13b547">BinaryInputError::STDIN_EOF</a></div><div class="ttdef"><b>Definition:</b> error.h:40</div></div>
<div class="ttc" id="classAudioDataImpl_html_a0db2e7dad668f9abf5e2f7388ca547a2"><div class="ttname"><a href="classAudioDataImpl.html#a0db2e7dad668f9abf5e2f7388ca547a2">AudioDataImpl::writeValue</a></div><div class="ttdeci">void writeValue(BinaryIO *io, ValueType v) const </div></div>
<div class="ttc" id="classAudioDataImpl_html_a5775d49843e1ab609610f6cf4efb178e"><div class="ttname"><a href="classAudioDataImpl.html#a5775d49843e1ab609610f6cf4efb178e">AudioDataImpl::AudioDataImpl</a></div><div class="ttdeci">AudioDataImpl(CvrStgFile *f)</div><div class="ttdef"><b>Definition:</b> AudioData.h:53</div></div>
<div class="ttc" id="CvrStgObject_8h_html"><div class="ttname"><a href="CvrStgObject_8h.html">CvrStgObject.h</a></div></div>
<div class="ttc" id="classBinaryInputError_html_a4000f1a2d7550997308b5180cd2c3b80aa3a997b2c176c085657bfe9dc3a18820"><div class="ttname"><a href="classBinaryInputError.html#a4000f1a2d7550997308b5180cd2c3b80aa3a997b2c176c085657bfe9dc3a18820">BinaryInputError::FILE_EOF</a></div><div class="ttdef"><b>Definition:</b> error.h:40</div></div>
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