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<div class="refentry" title="dssictls">
<a id="dssictls"></a>
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<a id="IndexDssictls" class="indexterm"></a>
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<h2>
<span class="refentrytitle">dssictls</span>
</h2>
<p>dssictls — Send control information to a LADSPA or DSSI plugin.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp18722904"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>dssictls</strong></span> ihandle, iport, kvalue, ktrigger </pre>
</div>
<div class="refsect1" title="Description">
<a id="idp18751728"></a>
<h2>Description</h2>
<p><span class="emphasis"><em>dssictls</em></span> sends control values to a plugin's control port</p>
</div>
<div class="refsect1" title="Initialization">
<a id="idp18752488"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ihandle</em></span> - handle for the plugin returned by <a class="link" href="dssiinit.html" title="dssiinit"><em class="citetitle">dssiinit</em></a>
</p>
<p>
<span class="emphasis"><em>iport</em></span> - control port number
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp18754248"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kvalue</em></span> - value to be assigned to the port
</p>
<p>
<span class="emphasis"><em>ktrigger</em></span> - determines whether the control information will be sent (ktrigger = 1) or not. This is useful for thinning control information, generating ktrigger with <a class="link" href="metro.html" title="metro"><em class="citetitle">metro</em></a>
</p>
<p>
<span class="emphasis"><em>dssictls</em></span> sends control information to a LADSPA or DSSI plugin's control port. The valid control ports and ranges are given by <a class="link" href="dssiinit.html" title="dssiinit"><em class="citetitle">dssiinit</em></a> . Using values outside the ranges may produce unspecified behaviour.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp18757288"></a>
<h2>Examples</h2>
<p>
Here is an example of the dssictls opcode. It uses the file <a class="ulink" href="examples/dssictls.csd" target="_top"><em class="citetitle">dssictls.csd</em></a>.
</p>
<div class="example">
<a id="idp18758280"></a>
<p class="title">
<strong>Example 190. Example of the dssictls opcode.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac <span class="comment">;;;RT audio out</span>
<span class="comment">;-iadc ;;;uncomment -iadc if RT audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o dssictls.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
gihandle <span class="opc">dssiinit</span> "caps.so", 1, 1 <span class="comment">; = equaliser and</span>
gaoutl <span class="opc">init</span> 0 <span class="comment">; verbose about all ports</span>
gaoutr <span class="opc">init</span> 0
<span class="oblock">instr</span> 1 <span class="comment">; activate DSSI</span>
<span class="opc">dssiactivate</span> gihandle, 1
<span class="oblock">endin</span>
<span class="oblock">instr</span> 2
ain1 <span class="opc">diskin2</span> "beats.wav", 1,0,1 <span class="comment">; loop</span>
gaoutl <span class="op">=</span> gaoutl<span class="op">+</span>(ain1<span class="op">*</span>.1) <span class="comment">; temper input</span>
gaoutr <span class="op">=</span> gaoutr<span class="op">+</span>(ain1<span class="op">*</span>.1)
<span class="oblock">endin</span>
<span class="oblock">instr</span> 3
<span class="opc">dssictls</span> gihandle, 2, <span class="op">-</span>48, 1 <span class="comment">; 31 Hz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 3, <span class="op">-</span>48, 1 <span class="comment">; 63 Hz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 4, <span class="op">-</span>48, 1 <span class="comment">; 125 Hz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 5, 20, 1 <span class="comment">; 250 Hz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 6, <span class="op">-</span>48, 1 <span class="comment">; 500 Hz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 7, <span class="op">-</span>48, 1 <span class="comment">; 1 kHz Hz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 8, <span class="op">-</span>48, 1 <span class="comment">; 2 kHz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 9, 24, 1 <span class="comment">; 4 kHz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 10, 24, 1 <span class="comment">; 8 kHz range -48 to 24</span>
<span class="opc">dssictls</span> gihandle, 11, 24, 1 <span class="comment">; 16 kHz range -48 to 24</span>
<span class="oblock">endin</span>
<span class="oblock">instr</span> 4
aout1, aout2 <span class="opc">dssiaudio</span> gihandle, gaoutl, gaoutr <span class="comment">;get beats.wav, mono out</span>
<span class="opc">outs</span> aout1,aout2
gaoutl <span class="op">=</span> 0
gaoutr <span class="op">=</span> 0
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span> 1 0 20
<span class="stamnt">i</span> 2 1 20
<span class="stamnt">i</span> 3 1 20
<span class="stamnt">i</span> 4 0 20
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp18760560"></a>
<h2>Credits</h2>
<p>2005</p>
<p>By: Andrés Cabrera</p>
<p>Uses code from Richard Furse's LADSPA sdk.</p>
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