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d12ef806ac807e760317dcf0fef9c3efe850bf61
stk/doc/html/WvIn_8h-source.html
Gary Scavone f25eb5c3d7 Release 4.1 tarball
2013-09-29 23:35:44 +02:00

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<HTML>
<HEAD>
<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
<LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">
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<img src="princeton.gif"> &nbsp; <img src="ccrma.gif"><P>
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<h1>WvIn.h</h1><div class="fragment"><pre>00001 <font class="comment">/***************************************************/</font>
00037 <font class="comment">/***************************************************/</font>
00038
00039 <font class="preprocessor">#if !defined(__WVIN_H)</font>
00040 <font class="preprocessor"></font><font class="preprocessor">#define __WVIN_H</font>
00041 <font class="preprocessor"></font>
00042 <font class="comment">// Files larger than CHUNK_THRESHOLD will be copied into memory</font>
00043 <font class="comment">// in CHUNK_SIZE increments, rather than completely loaded into</font>
00044 <font class="comment">// a buffer at once.</font>
00045
00046 <font class="preprocessor">#define CHUNK_THRESHOLD 5000000 // 5 Mb</font>
00047 <font class="preprocessor"></font><font class="preprocessor">#define CHUNK_SIZE 1024 // sample frames</font>
00048 <font class="preprocessor"></font>
00049 <font class="preprocessor">#include "Stk.h"</font>
00050 <font class="preprocessor">#include &lt;stdio.h&gt;</font>
00051
00052 <font class="keyword">class </font><a class="code" href="classWvIn.html">WvIn</a> : <font class="keyword">public</font> <a class="code" href="classStk.html">Stk</a>
00053 {
00054 <font class="keyword">public</font>:
00056 <a class="code" href="classWvIn.html#a0">WvIn</a>();
00057
00059
00063 <a class="code" href="classWvIn.html#a0">WvIn</a>( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName, <font class="keywordtype">bool</font> raw = FALSE );
00064
00066 <font class="keyword">virtual</font> <a class="code" href="classWvIn.html#a2">~WvIn</a>();
00067
00069
00073 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a3">openFile</a>( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName, <font class="keywordtype">bool</font> raw = FALSE );
00074
00076 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a4">closeFile</a>(<font class="keywordtype">void</font>);
00077
00079 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a5">reset</a>(<font class="keywordtype">void</font>);
00080
00082
00088 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a6">normalize</a>(<font class="keywordtype">void</font>);
00089
00091
00097 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a6">normalize</a>(MY_FLOAT peak);
00098
00100 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> <a class="code" href="classWvIn.html#a8">getSize</a>(<font class="keywordtype">void</font>) <font class="keyword">const</font>;
00101
00103 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> <a class="code" href="classWvIn.html#a9">getChannels</a>(<font class="keywordtype">void</font>) <font class="keyword">const</font>;
00104
00106
00111 MY_FLOAT <a class="code" href="classWvIn.html#a10">getFileRate</a>(<font class="keywordtype">void</font>) <font class="keyword">const</font>;
00112
00114 <font class="keywordtype">bool</font> <a class="code" href="classWvIn.html#a11">isFinished</a>(<font class="keywordtype">void</font>) <font class="keyword">const</font>;
00115
00117
00120 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a12">setRate</a>(MY_FLOAT aRate);
00121
00123 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a13">addTime</a>(MY_FLOAT aTime);
00124
00126
00132 <font class="keywordtype">void</font> <a class="code" href="classWvIn.html#a14">setInterpolate</a>(<font class="keywordtype">bool</font> doInterpolate);
00133
00135 <font class="keyword">virtual</font> MY_FLOAT <a class="code" href="classWvIn.html#a15">lastOut</a>(<font class="keywordtype">void</font>) <font class="keyword">const</font>;
00136
00138
00141 <font class="keyword">virtual</font> MY_FLOAT <a class="code" href="classWvIn.html#a16">tick</a>(<font class="keywordtype">void</font>);
00142
00144
00147 <font class="keyword">virtual</font> MY_FLOAT *<a class="code" href="classWvIn.html#a16">tick</a>(MY_FLOAT *vector, <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> vectorSize);
00148
00150 <font class="keyword">virtual</font> <font class="keyword">const</font> MY_FLOAT *<a class="code" href="classWvIn.html#a18">lastFrame</a>(<font class="keywordtype">void</font>) <font class="keyword">const</font>;
00151
00153
00156 <font class="keyword">virtual</font> <font class="keyword">const</font> MY_FLOAT *<a class="code" href="classWvIn.html#a19">tickFrame</a>(<font class="keywordtype">void</font>);
00157
00159
00162 <font class="keyword">virtual</font> MY_FLOAT *<a class="code" href="classWvIn.html#a19">tickFrame</a>(MY_FLOAT *frameVector, <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> frames);
00163
00164 <font class="keyword">protected</font>:
00165
00166 <font class="comment">// Initialize class variables.</font>
00167 <font class="keywordtype">void</font> init( <font class="keywordtype">void</font> );
00168
00169 <font class="comment">// Read file data.</font>
00170 <font class="keyword">virtual</font> <font class="keywordtype">void</font> readData(<font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> index);
00171
00172 <font class="comment">// Get STK RAW file information.</font>
00173 <font class="keywordtype">bool</font> getRawInfo( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName );
00174
00175 <font class="comment">// Get WAV file header information.</font>
00176 <font class="keywordtype">bool</font> getWavInfo( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName );
00177
00178 <font class="comment">// Get SND (AU) file header information.</font>
00179 <font class="keywordtype">bool</font> getSndInfo( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName );
00180
00181 <font class="comment">// Get AIFF file header information.</font>
00182 <font class="keywordtype">bool</font> getAifInfo( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName );
00183
00184 <font class="comment">// Get MAT-file header information.</font>
00185 <font class="keywordtype">bool</font> getMatInfo( <font class="keyword">const</font> <font class="keywordtype">char</font> *fileName );
00186
00187 <font class="keywordtype">char</font> msg[256];
00188 FILE *fd;
00189 MY_FLOAT *data;
00190 MY_FLOAT *lastOutput;
00191 <font class="keywordtype">bool</font> chunking;
00192 <font class="keywordtype">bool</font> finished;
00193 <font class="keywordtype">bool</font> interpolate;
00194 <font class="keywordtype">bool</font> byteswap;
00195 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> fileSize;
00196 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> bufferSize;
00197 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> dataOffset;
00198 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> channels;
00199 <font class="keywordtype">long</font> chunkPointer;
00200 STK_FORMAT dataType;
00201 MY_FLOAT fileRate;
00202 MY_FLOAT gain;
00203 MY_FLOAT time;
00204 MY_FLOAT rate;
00205 };
00206
00207 <font class="preprocessor">#endif // defined(__WVIN_H)</font>
</font></pre></div><HR>
<table>
<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;1995-2002 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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