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<h1>RtWvIn.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_RTWVIN_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define STK_RTWVIN_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "WvIn.h"</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include "<a class="code" href="RtAudio_8h.html">RtAudio.h</a>"</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include "Mutex.h"</span>
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="keyword">namespace </span>stk {
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="comment">/***************************************************/</span>
<a name="l00029"></a>00029 <span class="comment">/***************************************************/</span>
<a name="l00030"></a>00030
<a name="l00031"></a><a class="code" href="classstk_1_1RtWvIn.html">00031</a> <span class="keyword">class </span><a class="code" href="classstk_1_1RtWvIn.html" title="STK realtime audio (blocking) input class.">RtWvIn</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1WvIn.html" title="STK audio input abstract base class.">WvIn</a>
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keyword">public</span>:
<a name="l00035"></a>00035
<a name="l00042"></a>00042 <a class="code" href="classstk_1_1RtWvIn.html#ab84c98c568346d1ad86251961f7d1fba" title="Default constructor.">RtWvIn</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nChannels = 1, StkFloat <a class="code" href="classstk_1_1Stk.html#a5fbe37000a611ce56075ee7d8936472d" title="Static method that returns the current STK sample rate.">sampleRate</a> = <a class="code" href="classstk_1_1Stk.html#a5fbe37000a611ce56075ee7d8936472d" title="Static method that returns the current STK sample rate.">Stk::sampleRate</a>(),
<a name="l00043"></a>00043 <span class="keywordtype">int</span> device = 0, <span class="keywordtype">int</span> bufferFrames = RT_BUFFER_SIZE, <span class="keywordtype">int</span> nBuffers = 20 );
<a name="l00044"></a>00044
<a name="l00046"></a>00046 <a class="code" href="classstk_1_1RtWvIn.html#aefae2caa7f77522e8baa4908e3157f4d" title="Class destructor.">~RtWvIn</a>();
<a name="l00047"></a>00047
<a name="l00049"></a>00049
<a name="l00053"></a>00053 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1RtWvIn.html#a0ae4012cb269fb70536611b9116142fa" title="Start the audio input stream.">start</a>( <span class="keywordtype">void</span> );
<a name="l00054"></a>00054
<a name="l00056"></a>00056
<a name="l00060"></a>00060 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1RtWvIn.html#a39d0d9702569ee3afa769309e8b2e152" title="Stop the audio input stream.">stop</a>( <span class="keywordtype">void</span> );
<a name="l00061"></a>00061
<a name="l00063"></a>00063
<a name="l00072"></a>00072 StkFloat <a class="code" href="classstk_1_1RtWvIn.html#a3a4f4035fc01fee4c2423791f9e9317e" title="Return the specified channel value of the last computed frame.">lastOut</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
<a name="l00073"></a>00073
<a name="l00075"></a>00075
<a name="l00084"></a>00084 StkFloat <a class="code" href="classstk_1_1RtWvIn.html#ad2ace75cfe44dd82dd706d2c8dac7901" title="Compute a sample frame and return the specified channel value.">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
<a name="l00085"></a>00085
<a name="l00087"></a>00087
<a name="l00094"></a>00094 <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& <a class="code" href="classstk_1_1RtWvIn.html#ad2ace75cfe44dd82dd706d2c8dac7901" title="Compute a sample frame and return the specified channel value.">tick</a>( <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& frames );
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">// This function is not intended for general use but must be</span>
<a name="l00097"></a>00097 <span class="comment">// public for access from the audio callback function.</span>
<a name="l00098"></a>00098 <span class="keywordtype">void</span> fillBuffer( <span class="keywordtype">void</span> *buffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nFrames );
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">protected</span>:
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a> adc_;
<a name="l00103"></a>00103 <a class="code" href="classstk_1_1Mutex.html" title="STK mutex class.">Mutex</a> mutex_;
<a name="l00104"></a>00104 <span class="keywordtype">bool</span> stopped_;
<a name="l00105"></a>00105 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> readIndex_;
<a name="l00106"></a>00106 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> writeIndex_;
<a name="l00107"></a>00107 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> framesFilled_;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 };
<a name="l00110"></a>00110
<a name="l00111"></a><a class="code" href="classstk_1_1RtWvIn.html#a3a4f4035fc01fee4c2423791f9e9317e">00111</a> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1RtWvIn.html#a3a4f4035fc01fee4c2423791f9e9317e" title="Return the specified channel value of the last computed frame.">RtWvIn :: lastOut</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel )
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <span class="preprocessor">#if defined(_STK_DEBUG_)</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( channel >= data_.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>() ) {
<a name="l00115"></a>00115 oStream_ << <span class="stringliteral">"RtWvIn::lastOut(): channel argument and audio stream are incompatible!"</span>;
<a name="l00116"></a>00116 <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff" title="Static function for error reporting and handling using c-strings.">handleError</a>( StkError::FUNCTION_ARGUMENT );
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118 <span class="preprocessor">#endif</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00120"></a>00120 <span class="keywordflow">return</span> lastFrame_[channel];
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 } <span class="comment">// stk namespace</span>
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <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>©1995-2012 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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