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stk/doc/html/WvIn_8h-source.html
Gary Scavone e11bff2fe8 Release 4.1.3 tarball
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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<h1>WvIn.h</h1><div class="fragment"><pre>00001 <span class="comment">/***************************************************/</span>
00037 <span class="comment">/***************************************************/</span>
00038
00039 <span class="preprocessor">#if !defined(__WVIN_H)</span>
00040 <span class="preprocessor"></span><span class="preprocessor">#define __WVIN_H</span>
00041 <span class="preprocessor"></span>
00042 <span class="comment">// Files larger than CHUNK_THRESHOLD will be copied into memory</span>
00043 <span class="comment">// in CHUNK_SIZE increments, rather than completely loaded into</span>
00044 <span class="comment">// a buffer at once.</span>
00045
00046 <span class="preprocessor">#define CHUNK_THRESHOLD 5000000 // 5 Mb</span>
00047 <span class="preprocessor"></span><span class="preprocessor">#define CHUNK_SIZE 1024 // sample frames</span>
00048 <span class="preprocessor"></span>
00049 <span class="preprocessor">#include "Stk.h"</span>
00050 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
00051
<a name="l00052"></a><a class="code" href="classWvIn.html">00052</a> <span class="keyword">class </span><a class="code" href="classWvIn.html">WvIn</a> : <span class="keyword">public</span> <a class="code" href="classStk.html">Stk</a>
00053 {
00054 <span class="keyword">public</span>:
00056 <a class="code" href="classWvIn.html#a0">WvIn</a>();
00057
00059
00063 <a class="code" href="classWvIn.html#a0">WvIn</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName, <span class="keywordtype">bool</span> raw = FALSE, <span class="keywordtype">bool</span> doNormalize = TRUE );
00064
00066 <span class="keyword">virtual</span> <a class="code" href="classWvIn.html#a2">~WvIn</a>();
00067
00069
00073 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a3">openFile</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName, <span class="keywordtype">bool</span> raw = FALSE, <span class="keywordtype">bool</span> doNormalize = TRUE );
00074
00076 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a4">closeFile</a>(<span class="keywordtype">void</span>);
00077
00079 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a5">reset</a>(<span class="keywordtype">void</span>);
00080
00082
00088 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a6">normalize</a>(<span class="keywordtype">void</span>);
00089
00091
00097 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a6">normalize</a>(MY_FLOAT peak);
00098
00100 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classWvIn.html#a8">getSize</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00101
00103 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classWvIn.html#a9">getChannels</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00104
00106
00111 MY_FLOAT <a class="code" href="classWvIn.html#a10">getFileRate</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00112
00114 <span class="keywordtype">bool</span> <a class="code" href="classWvIn.html#a11">isFinished</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00115
00117
00120 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a12">setRate</a>(MY_FLOAT aRate);
00121
00123 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a13">addTime</a>(MY_FLOAT aTime);
00124
00126
00132 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a14">setInterpolate</a>(<span class="keywordtype">bool</span> doInterpolate);
00133
00135 <span class="keyword">virtual</span> MY_FLOAT <a class="code" href="classWvIn.html#a15">lastOut</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00136
00138
00141 <span class="keyword">virtual</span> MY_FLOAT <a class="code" href="classWvIn.html#a16">tick</a>(<span class="keywordtype">void</span>);
00142
00144
00147 <span class="keyword">virtual</span> MY_FLOAT *<a class="code" href="classWvIn.html#a16">tick</a>(MY_FLOAT *vector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> vectorSize);
00148
00150 <span class="keyword">virtual</span> <span class="keyword">const</span> MY_FLOAT *<a class="code" href="classWvIn.html#a18">lastFrame</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00151
00153
00156 <span class="keyword">virtual</span> <span class="keyword">const</span> MY_FLOAT *<a class="code" href="classWvIn.html#a19">tickFrame</a>(<span class="keywordtype">void</span>);
00157
00159
00162 <span class="keyword">virtual</span> MY_FLOAT *<a class="code" href="classWvIn.html#a19">tickFrame</a>(MY_FLOAT *frameVector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frames);
00163
00164 <span class="keyword">protected</span>:
00165
00166 <span class="comment">// Initialize class variables.</span>
00167 <span class="keywordtype">void</span> init( <span class="keywordtype">void</span> );
00168
00169 <span class="comment">// Read file data.</span>
00170 <span class="keyword">virtual</span> <span class="keywordtype">void</span> readData(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> index);
00171
00172 <span class="comment">// Get STK RAW file information.</span>
00173 <span class="keywordtype">bool</span> getRawInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00174
00175 <span class="comment">// Get WAV file header information.</span>
00176 <span class="keywordtype">bool</span> getWavInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00177
00178 <span class="comment">// Get SND (AU) file header information.</span>
00179 <span class="keywordtype">bool</span> getSndInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00180
00181 <span class="comment">// Get AIFF file header information.</span>
00182 <span class="keywordtype">bool</span> getAifInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00183
00184 <span class="comment">// Get MAT-file header information.</span>
00185 <span class="keywordtype">bool</span> getMatInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00186
00187 <span class="keywordtype">char</span> msg[256];
00188 FILE *fd;
00189 MY_FLOAT *data;
00190 MY_FLOAT *lastOutput;
00191 <span class="keywordtype">bool</span> chunking;
00192 <span class="keywordtype">bool</span> finished;
00193 <span class="keywordtype">bool</span> interpolate;
00194 <span class="keywordtype">bool</span> byteswap;
00195 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> fileSize;
00196 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> bufferSize;
00197 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> dataOffset;
00198 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels;
00199 <span class="keywordtype">long</span> chunkPointer;
00200 STK_FORMAT dataType;
00201 MY_FLOAT fileRate;
00202 MY_FLOAT gain;
00203 MY_FLOAT time;
00204 MY_FLOAT rate;
00205 };
00206
00207 <span class="preprocessor">#endif // defined(__WVIN_H)</span>
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<tr><td><A HREF="http://www-ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
<tr><td>&copy;1995-2004 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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