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stk/doc/html/WvIn_8h-source.html
Gary Scavone de344668dd Release 4.2.0 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>
00043 <span class="comment">/***************************************************/</span>
00044
00045 <span class="preprocessor">#ifndef STK_WVIN_H</span>
00046 <span class="preprocessor"></span><span class="preprocessor">#define STK_WVIN_H</span>
00047 <span class="preprocessor"></span>
00048 <span class="comment">// Files larger than CHUNK_THRESHOLD will be copied into memory</span>
00049 <span class="comment">// in CHUNK_SIZE increments, rather than completely loaded into</span>
00050 <span class="comment">// a buffer at once.</span>
00051
00052 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> CHUNK_THRESHOLD = 5000000; <span class="comment">// 5 Mb</span>
00053 <span class="keyword">const</span> <span class="keywordtype">long</span> CHUNK_SIZE = 1024; <span class="comment">// sample frames</span>
00054
00055 <span class="preprocessor">#include "Stk.h"</span>
00056
<a name="l00057"></a><a class="code" href="classWvIn.html">00057</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>
00058 {
00059 <span class="keyword">public</span>:
00061 <a class="code" href="classWvIn.html#a0">WvIn</a>();
00062
00064
00068 <a class="code" href="classWvIn.html#a0">WvIn</a>( std::string fileName, <span class="keywordtype">bool</span> raw = <span class="keyword">false</span>, <span class="keywordtype">bool</span> doNormalize = <span class="keyword">true</span> );
00069
00071 <span class="keyword">virtual</span> <a class="code" href="classWvIn.html#a2">~WvIn</a>();
00072
00074
00078 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a3">openFile</a>( std::string fileName, <span class="keywordtype">bool</span> raw = <span class="keyword">false</span>, <span class="keywordtype">bool</span> doNormalize = <span class="keyword">true</span> );
00079
00081 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a4">closeFile</a>(<span class="keywordtype">void</span>);
00082
00084 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a5">reset</a>(<span class="keywordtype">void</span>);
00085
00087
00093 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a6">normalize</a>(<span class="keywordtype">void</span>);
00094
00096
00102 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a6">normalize</a>(StkFloat peak);
00103
00105 <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>;
00106
00108 <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>;
00109
00111
00116 StkFloat <a class="code" href="classWvIn.html#a10">getFileRate</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00117
00119 <span class="keywordtype">bool</span> <a class="code" href="classWvIn.html#a11">isFinished</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00120
00122
00125 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a12">setRate</a>(StkFloat aRate);
00126
00128 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a13">addTime</a>(StkFloat aTime);
00129
00131
00137 <span class="keywordtype">void</span> <a class="code" href="classWvIn.html#a14">setInterpolate</a>(<span class="keywordtype">bool</span> doInterpolate);
00138
00140 <span class="keyword">virtual</span> StkFloat <a class="code" href="classWvIn.html#a15">lastOut</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00141
00143
00146 <span class="keyword">virtual</span> StkFloat <a class="code" href="classWvIn.html#a16">tick</a>(<span class="keywordtype">void</span>);
00147
00149
00152 <span class="keyword">virtual</span> StkFloat *<a class="code" href="classWvIn.html#a16">tick</a>(StkFloat *vector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> vectorSize);
00153
00155
00162 <span class="keyword">virtual</span> <a class="code" href="classStkFrames.html">StkFrames</a>&amp; <a class="code" href="classWvIn.html#a16">tick</a>( <a class="code" href="classStkFrames.html">StkFrames</a>&amp; frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 1 );
00163
00165 <span class="keyword">virtual</span> <span class="keyword">const</span> StkFloat *<a class="code" href="classWvIn.html#a19">lastFrame</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;
00166
00168
00171 <span class="keyword">virtual</span> <span class="keyword">const</span> StkFloat *<a class="code" href="classWvIn.html#a20">tickFrame</a>(<span class="keywordtype">void</span>);
00172
00174
00177 <span class="keyword">virtual</span> StkFloat *<a class="code" href="classWvIn.html#a20">tickFrame</a>(StkFloat *frameVector, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frames);
00178
00180
00186 <span class="keyword">virtual</span> <a class="code" href="classStkFrames.html">StkFrames</a>&amp; <a class="code" href="classWvIn.html#a20">tickFrame</a>( <a class="code" href="classStkFrames.html">StkFrames</a>&amp; frames );
00187
00188 <span class="keyword">protected</span>:
00189
00190 <span class="comment">// Initialize class variables.</span>
00191 <span class="keywordtype">void</span> init( <span class="keywordtype">void</span> );
00192
00193 <span class="comment">// Read file data.</span>
00194 <span class="keyword">virtual</span> <span class="keywordtype">void</span> readData(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> index);
00195
00196 <span class="comment">// Get STK RAW file information.</span>
00197 <span class="keywordtype">bool</span> getRawInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00198
00199 <span class="comment">// Get WAV file header information.</span>
00200 <span class="keywordtype">bool</span> getWavInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00201
00202 <span class="comment">// Get SND (AU) file header information.</span>
00203 <span class="keywordtype">bool</span> getSndInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00204
00205 <span class="comment">// Get AIFF file header information.</span>
00206 <span class="keywordtype">bool</span> getAifInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00207
00208 <span class="comment">// Get MAT-file header information.</span>
00209 <span class="keywordtype">bool</span> getMatInfo( <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName );
00210
00211 FILE *fd_;
00212 StkFloat *data_;
00213 StkFloat *lastOutputs_;
00214 <span class="keywordtype">bool</span> chunking_;
00215 <span class="keywordtype">bool</span> finished_;
00216 <span class="keywordtype">bool</span> interpolate_;
00217 <span class="keywordtype">bool</span> byteswap_;
00218 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> fileSize_;
00219 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> bufferSize_;
00220 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> dataOffset_;
00221 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels_;
00222 <span class="keywordtype">long</span> chunkPointer_;
00223 StkFormat dataType_;
00224 StkFloat fileRate_;
00225 StkFloat gain_;
00226 StkFloat time_;
00227 StkFloat rate_;
00228 };
00229
00230 <span class="preprocessor">#endif</span>
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<tr><td><A HREF="http://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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