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<a id="vstedit"></a>
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<a id="IndexVstEdit" class="indexterm"></a>
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<h2>
<span class="refentrytitle">vstedit</span>
</h2>
<p>vstedit — Opens the GUI editor window for a VST plugin.
</p>
</div>
<div class="refsect1">
<a id="idm281472870745064"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>vstedit</strong></span> instance</pre>
</div>
<div class="refsect1">
<a id="idm281472870741032"></a>
<h2>Description</h2>
<p>
<span class="emphasis"><em>vstedit</em></span> opens the custom GUI editor window for a VST
plugin. Note that not all VST plugins have custom GUI editors. It may
be necessary to use the --displays command-line option to ensure that
Csound handles events from the editor window and displays it properly.
</p>
</div>
<div class="refsect1">
<a id="idm281472870739144"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>instance</em></span> - the number which identifies the
plugin, to be passed to other vst4cs opcodes.
</p>
</div>
<div class="refsect1">
<a id="idm281472870737432"></a>
<h2>Examples</h2>
<p>
Here is an example of the use of the <span class="emphasis"><em>vstedit</em></span> opcode. It uses the file <a class="ulink" href="examples/vst4cs.csd" target="_top"><em class="citetitle">vst4cs.csd</em></a>.
</p>
<div class="example">
<a id="idm281472870670888"></a>
<p class="title">
<strong>Example 1105. Example of the <span class="emphasis"><em>vstedit</em></span> 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>
<div class="refsect1">
<a id="idm281472690451432"></a>
<pre class="programlisting">
<span class="nt"><CsoundSynthesizer></span>
<span class="nt"><CsOptions></span>
<span class="c1">; Credits: Adapted by Michael Gogins </span>
<span class="c1">; from code by David Horowitz and Lian Cheung. </span>
<span class="c1">; The "--displays" option is required in order for </span>
<span class="c1">; the Pianoteq GUI to dispatch events and display properly.</span>
-m3 --displays -odac
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span>
<span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">20</span>
<span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">2</span>
<span class="c1">; Load the Pianoteq into memory.</span>
gi<span class="n">pianoteq</span> <span class="n">vstinit</span> <span class="s">"C:</span><span class="se">\\</span><span class="s">Program Files</span><span class="se">\\</span><span class="s">Steinberg</span><span class="se">\\</span><span class="s">VstPlugins</span><span class="se">\\</span><span class="s">Pianoteq 3.0 Trial</span><span class="se">\\</span><span class="s">Pianoteq30 Trial.dll"</span><span class="p">,</span> <span class="mi">1</span>
<span class="c1">; Print information about the Pianoteq, such as parameter names and numbers.</span>
<span class="n">vstinfo</span> gi<span class="n">pianoteq</span>
<span class="c1">; Open the Pianoteq's GUI.</span>
<span class="n">vstedit</span> gi<span class="n">pianoteq</span>
<span class="c1">; Send notes from the score to the Pianoteq.</span>
<span class="kd">instr</span> <span class="nf">1</span>
<span class="c1">; MIDI channels are numbered starting at 0.</span>
<span class="c1">; p3 always contains the duration of the note.</span>
<span class="c1">; p4 contains the MIDI key number (pitch),</span>
<span class="c1">; p5 contains the MIDI velocity number (loudness),</span>
i<span class="n">midichannel</span> <span class="nb">init</span> <span class="mi">0</span>
<span class="n">vstnote</span> gi<span class="n">pianoteq</span><span class="p">,</span> i<span class="n">midichannel</span><span class="p">,</span> <span class="nb">p4</span><span class="p">,</span> <span class="nb">p5</span><span class="p">,</span> <span class="nb">p3</span>
<span class="kd">endin</span>
<span class="c1">; Send parameter changes to the Pianoteq.</span>
<span class="kd">instr</span> <span class="nf">2</span>
<span class="c1">; p4 is the parameter number.</span>
<span class="c1">; p5 is the parameter value.</span>
<span class="n">vstparamset</span> gi<span class="n">pianoteq</span><span class="p">,</span> <span class="nb">p4</span><span class="p">,</span> <span class="nb">p5</span>
<span class="kd">endin</span>
<span class="c1">; Send audio from the Pianoteq to the output.</span>
<span class="kd">instr</span> <span class="nf">3</span>
a<span class="n">blankinput</span> <span class="nb">init</span> <span class="mi">0</span>
a<span class="n">left</span><span class="p">,</span> a<span class="n">right</span> <span class="n">vstaudio</span> gi<span class="n">pianoteq</span><span class="p">,</span> a<span class="n">blankinput</span><span class="p">,</span> a<span class="n">blankinput</span>
<span class="nb">outs</span> a<span class="n">left</span><span class="p">,</span> a<span class="n">right</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="c1">; Turn on the instrument that receives audio from the Pianoteq indefinitely.</span>
<span class="nb">i</span> <span class="mi">3</span> <span class="mi">0</span> <span class="o">-</span><span class="mi">1</span>
<span class="c1">; Send parameter changes to Pianoteq before sending any notes.</span>
<span class="c1">; NOTE: All parameters must be between 0.0 and 1.0.</span>
<span class="c1">; Length of piano strings:</span>
<span class="nb">i</span> <span class="mi">2</span> <span class="mi">0</span> <span class="mi">1</span> <span class="mi">33</span> <span class="mf">0.5</span>
<span class="c1">; Hammer noise:</span>
<span class="nb">i</span> <span class="mi">2</span> <span class="mi">0</span> <span class="mi">1</span> <span class="mi">25</span> <span class="mf">0.1</span>
<span class="c1">; Send a C major 7th arpeggio to the Pianoteq.</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">1</span> <span class="mi">10</span> <span class="mi">60</span> <span class="mi">76</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">2</span> <span class="mi">10</span> <span class="mi">64</span> <span class="mi">73</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">3</span> <span class="mi">10</span> <span class="mi">67</span> <span class="mi">70</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">4</span> <span class="mi">10</span> <span class="mi">71</span> <span class="mi">67</span>
<span class="c1">; End the performance, leaving some time </span>
<span class="c1">; for the Pianoteq to finish sending out its audio,</span>
<span class="c1">; or for the user to play with the Pianoteq virtual keyboard.</span>
<span class="nb">e</span> <span class="mi">20</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
</div>
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</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1">
<a id="idm281472870666264"></a>
<h2>Credits</h2>
<p>By: Andrés Cabrera and Michael Gogins</p>
<p>
Uses code from Hermann Seib's VSTHost and Thomas Grill's vst~
object.
</p>
<p>
VST is a trademark of Steinberg Media Technologies GmbH.
VST Plug-In Technology by Steinberg.
</p>
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