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<h1>Shakers.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_SHAKERS_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define STK_SHAKERS_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include &quot;Instrmnt.h&quot;</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="keyword">namespace </span>stk {
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="comment">/***************************************************/</span>
<a name="l00060"></a>00060 <span class="comment">/***************************************************/</span>
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_FREQS = 8;
<a name="l00063"></a>00063 <span class="keyword">const</span> <span class="keywordtype">int</span> NUM_INSTR = 24;
<a name="l00064"></a>00064
<a name="l00065"></a><a class="code" href="classstk_1_1Shakers.html">00065</a> <span class="keyword">class </span><a class="code" href="classstk_1_1Shakers.html" title="PhISEM and PhOLIES class.">Shakers</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Instrmnt.html" title="STK instrument abstract base class.">Instrmnt</a>
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keyword">public</span>:
<a name="l00069"></a>00069 <a class="code" href="classstk_1_1Shakers.html#a34e4859c572a158d8fda15b7a5c6954d" title="Class constructor.">Shakers</a>( <span class="keywordtype">void</span> );
<a name="l00070"></a>00070
<a name="l00072"></a>00072 <a class="code" href="classstk_1_1Shakers.html#aa1b2ab640268da68b867de1495f19a77" title="Class destructor.">~Shakers</a>( <span class="keywordtype">void</span> );
<a name="l00073"></a>00073
<a name="l00075"></a>00075
<a name="l00079"></a>00079 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Shakers.html#a81ffb0ad1e350993af10b2795ec01861" title="Start a note with the given instrument and amplitude.">noteOn</a>( StkFloat instrument, StkFloat amplitude );
<a name="l00080"></a>00080
<a name="l00082"></a>00082 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Shakers.html#ab63b4b57f8306eb7cf1adbf5a5cd1d05" title="Stop a note with the given amplitude (speed of decay).">noteOff</a>( StkFloat amplitude );
<a name="l00083"></a>00083
<a name="l00085"></a>00085 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Shakers.html#a688d9d8318e0c69779868079a7c64157" title="Perform the control change specified by number and value (0.0 - 128.0).">controlChange</a>( <span class="keywordtype">int</span> number, StkFloat value );
<a name="l00086"></a>00086
<a name="l00088"></a>00088 StkFloat <a class="code" href="classstk_1_1Shakers.html#ae06ebba276cef74cb8c83db4e33f21c2" title="Compute and return one output sample.">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
<a name="l00089"></a>00089
<a name="l00091"></a>00091
<a name="l00098"></a>00098 <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>&amp; <a class="code" href="classstk_1_1Shakers.html#ae06ebba276cef74cb8c83db4e33f21c2" title="Compute and return one output sample.">tick</a>( <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>&amp; frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
<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 <span class="keywordtype">int</span> setupName( <span class="keywordtype">char</span>* instr );
<a name="l00103"></a>00103 <span class="keywordtype">int</span> setupNum( <span class="keywordtype">int</span> inst );
<a name="l00104"></a>00104 <span class="keywordtype">int</span> setFreqAndReson( <span class="keywordtype">int</span> which, StkFloat freq, StkFloat reson );
<a name="l00105"></a>00105 <span class="keywordtype">void</span> setDecays( StkFloat sndDecay, StkFloat sysDecay );
<a name="l00106"></a>00106 <span class="keywordtype">void</span> setFinalZs( StkFloat z0, StkFloat z1, StkFloat z2 );
<a name="l00107"></a>00107 StkFloat wuter_tick( <span class="keywordtype">void</span> );
<a name="l00108"></a>00108 StkFloat tbamb_tick( <span class="keywordtype">void</span> );
<a name="l00109"></a>00109 StkFloat ratchet_tick( <span class="keywordtype">void</span> );
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">int</span> instType_;
<a name="l00112"></a>00112 <span class="keywordtype">int</span> ratchetPos_, lastRatchetPos_;
<a name="l00113"></a>00113 StkFloat shakeEnergy_;
<a name="l00114"></a>00114 StkFloat inputs_[MAX_FREQS];
<a name="l00115"></a>00115 StkFloat outputs_[MAX_FREQS][2];
<a name="l00116"></a>00116 StkFloat coeffs_[MAX_FREQS][2];
<a name="l00117"></a>00117 StkFloat sndLevel_;
<a name="l00118"></a>00118 StkFloat baseGain_;
<a name="l00119"></a>00119 StkFloat gains_[MAX_FREQS];
<a name="l00120"></a>00120 <span class="keywordtype">int</span> nFreqs_;
<a name="l00121"></a>00121 StkFloat t_center_freqs_[MAX_FREQS];
<a name="l00122"></a>00122 StkFloat center_freqs_[MAX_FREQS];
<a name="l00123"></a>00123 StkFloat resons_[MAX_FREQS];
<a name="l00124"></a>00124 StkFloat freq_rand_[MAX_FREQS];
<a name="l00125"></a>00125 <span class="keywordtype">int</span> freqalloc_[MAX_FREQS];
<a name="l00126"></a>00126 StkFloat soundDecay_;
<a name="l00127"></a>00127 StkFloat systemDecay_;
<a name="l00128"></a>00128 StkFloat nObjects_;
<a name="l00129"></a>00129 StkFloat totalEnergy_;
<a name="l00130"></a>00130 StkFloat ratchet_, ratchetDelta_;
<a name="l00131"></a>00131 StkFloat finalZ_[3];
<a name="l00132"></a>00132 StkFloat finalZCoeffs_[3];
<a name="l00133"></a>00133 StkFloat defObjs_[NUM_INSTR];
<a name="l00134"></a>00134 StkFloat defDecays_[NUM_INSTR];
<a name="l00135"></a>00135 StkFloat decayScale_[NUM_INSTR];
<a name="l00136"></a>00136
<a name="l00137"></a>00137 };
<a name="l00138"></a>00138
<a name="l00139"></a><a class="code" href="classstk_1_1Shakers.html#a655713b658ddeb065d755997cac4b62e">00139</a> <span class="keyword">inline</span> <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>&amp; <a class="code" href="classstk_1_1Shakers.html#ae06ebba276cef74cb8c83db4e33f21c2" title="Compute and return one output sample.">Shakers :: tick</a>( <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>&amp; frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel )
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nChannels = lastFrame_.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>();
<a name="l00142"></a>00142 <span class="preprocessor">#if defined(_STK_DEBUG_)</span>
<a name="l00143"></a>00143 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( channel &gt; frames.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>() - nChannels ) {
<a name="l00144"></a>00144 oStream_ &lt;&lt; <span class="stringliteral">&quot;Shakers::tick(): channel and StkFrames arguments are incompatible!&quot;</span>;
<a name="l00145"></a>00145 <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="l00146"></a>00146 }
<a name="l00147"></a>00147 <span class="preprocessor">#endif</span>
<a name="l00148"></a>00148 <span class="preprocessor"></span>
<a name="l00149"></a>00149 StkFloat *samples = &amp;frames[channel];
<a name="l00150"></a>00150 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j, hop = frames.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>() - nChannels;
<a name="l00151"></a>00151 <span class="keywordflow">if</span> ( nChannels == 1 ) {
<a name="l00152"></a>00152 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i&lt;frames.<a class="code" href="classstk_1_1StkFrames.html#a05b1ab6fa750a8221a7d65c30e0cdab9" title="Return the number of sample frames represented by the data.">frames</a>(); i++, samples += hop )
<a name="l00153"></a>00153 *samples++ = <a class="code" href="classstk_1_1Shakers.html#ae06ebba276cef74cb8c83db4e33f21c2" title="Compute and return one output sample.">tick</a>();
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 <span class="keywordflow">else</span> {
<a name="l00156"></a>00156 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i&lt;frames.<a class="code" href="classstk_1_1StkFrames.html#a05b1ab6fa750a8221a7d65c30e0cdab9" title="Return the number of sample frames represented by the data.">frames</a>(); i++, samples += hop ) {
<a name="l00157"></a>00157 *samples++ = <a class="code" href="classstk_1_1Shakers.html#ae06ebba276cef74cb8c83db4e33f21c2" title="Compute and return one output sample.">tick</a>();
<a name="l00158"></a>00158 <span class="keywordflow">for</span> ( j=1; j&lt;nChannels; j++ )
<a name="l00159"></a>00159 *samples++ = lastFrame_[j];
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordflow">return</span> frames;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 } <span class="comment">// stk namespace</span>
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <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>
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