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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-attribs">Public Attributes</a> &#124;
<a href="structAudioMidiSyncHelper-members.html">List of all members</a>  </div>
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<div class="title">AudioMidiSyncHelper Struct Reference<div class="ingroups"><a class="el" href="group__PluginHelperClasses.html">Plugin helper classes</a></div></div>  </div>
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<p><code>#include &lt;<a class="el" href="DistrhoPluginUtils_8hpp_source.html">DistrhoPluginUtils.hpp</a>&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae75a1d7256c04445ec77176b6505fcb0"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAudioMidiSyncHelper.html#ae75a1d7256c04445ec77176b6505fcb0">AudioMidiSyncHelper</a> (float **const o, uint32_t f, const <a class="el" href="structMidiEvent.html">MidiEvent</a> *m, uint32_t mc)</td></tr>
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<tr class="memitem:a43f354c1520893449d81a27b3e7a81fe"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAudioMidiSyncHelper.html#a43f354c1520893449d81a27b3e7a81fe">nextEvent</a> ()</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a7b54cae0fdaae3d23aaccf2dbb9344ef"><td class="memItemLeft" align="right" valign="top">float *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structAudioMidiSyncHelper.html#a7b54cae0fdaae3d23aaccf2dbb9344ef">outputs</a> [2]</td></tr>
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<tr class="memitem:a6ee6ef7e6f4d93e2e8860a0ed6ca8f09"><td class="memItemLeft" align="right" valign="top"><a id="a6ee6ef7e6f4d93e2e8860a0ed6ca8f09"></a>
uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>frames</b></td></tr>
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const <a class="el" href="structMidiEvent.html">MidiEvent</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>midiEvents</b></td></tr>
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uint32_t&#160;</td><td class="memItemRight" valign="bottom"><b>midiEventCount</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Handy class to help keep audio buffer in sync with incoming MIDI events. To use it, create a local variable (on the stack) and call <a class="el" href="structAudioMidiSyncHelper.html#a43f354c1520893449d81a27b3e7a81fe">nextEvent()</a> until it returns false. </p><div class="fragment"><div class="line"><span class="keywordflow">for</span> (<a class="code" href="structAudioMidiSyncHelper.html">AudioMidiSyncHelper</a> amsh(<a class="code" href="structAudioMidiSyncHelper.html#a7b54cae0fdaae3d23aaccf2dbb9344ef">outputs</a>, frames, midiEvents, midiEventCount); amsh.<a class="code" href="structAudioMidiSyncHelper.html#a43f354c1520893449d81a27b3e7a81fe">nextEvent</a>();)</div>
<div class="line">{</div>
<div class="line">    <span class="keywordtype">float</span>* <span class="keyword">const</span> outL = amsh.outputs[0];</div>
<div class="line">    <span class="keywordtype">float</span>* <span class="keyword">const</span> outR = amsh.outputs[1];</div>
<div class="line"> </div>
<div class="line">    <span class="keywordflow">for</span> (uint32_t i=0; i&lt;amsh.midiEventCount; ++i)</div>
<div class="line">    {</div>
<div class="line">        <span class="keyword">const</span> <a class="code" href="structMidiEvent.html">MidiEvent</a>&amp; ev(amsh.midiEvents[i]);</div>
<div class="line">        <span class="comment">// ... do something with the midi event</span></div>
<div class="line">    }</div>
<div class="line"> </div>
<div class="line">    renderSynth(outL, outR, amsh.frames);</div>
<div class="line">}</div>
<div class="ttc" id="astructAudioMidiSyncHelper_html"><div class="ttname"><a href="structAudioMidiSyncHelper.html">AudioMidiSyncHelper</a></div><div class="ttdef"><b>Definition:</b> DistrhoPluginUtils.hpp:104</div></div>
<div class="ttc" id="astructAudioMidiSyncHelper_html_a43f354c1520893449d81a27b3e7a81fe"><div class="ttname"><a href="structAudioMidiSyncHelper.html#a43f354c1520893449d81a27b3e7a81fe">AudioMidiSyncHelper::nextEvent</a></div><div class="ttdeci">bool nextEvent()</div><div class="ttdef"><b>Definition:</b> DistrhoPluginUtils.hpp:131</div></div>
<div class="ttc" id="astructAudioMidiSyncHelper_html_a7b54cae0fdaae3d23aaccf2dbb9344ef"><div class="ttname"><a href="structAudioMidiSyncHelper.html#a7b54cae0fdaae3d23aaccf2dbb9344ef">AudioMidiSyncHelper::outputs</a></div><div class="ttdeci">float * outputs[2]</div><div class="ttdef"><b>Definition:</b> DistrhoPluginUtils.hpp:106</div></div>
<div class="ttc" id="astructMidiEvent_html"><div class="ttname"><a href="structMidiEvent.html">MidiEvent</a></div><div class="ttdef"><b>Definition:</b> DistrhoDetails.hpp:891</div></div>
</div><!-- fragment --><p>Some important notes when using this class:</p><ol type="1">
<li><a class="el" href="structMidiEvent.html#aca2f6590b33bd2175ab71f985747d88e">MidiEvent::frame</a> retains its original value, but it is useless, do not use it.</li>
<li>The class variable names are the same as the default ones in the run function. Keep that in mind and try to avoid typos. :) </li>
</ol>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae75a1d7256c04445ec77176b6505fcb0">&#9670;&nbsp;</a></span>AudioMidiSyncHelper()</h2>

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          <td class="memname">AudioMidiSyncHelper::AudioMidiSyncHelper </td>
          <td>(</td>
          <td class="paramtype">float **const&#160;</td>
          <td class="paramname"><em>o</em>, </td>
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          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>f</em>, </td>
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          <td class="paramtype">const <a class="el" href="structMidiEvent.html">MidiEvent</a> *&#160;</td>
          <td class="paramname"><em>m</em>, </td>
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          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>mc</em>&#160;</td>
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          <td>)</td>
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<p>Constructor, using values from the run function. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a43f354c1520893449d81a27b3e7a81fe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a43f354c1520893449d81a27b3e7a81fe">&#9670;&nbsp;</a></span>nextEvent()</h2>

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          <td class="memname">bool AudioMidiSyncHelper::nextEvent </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<p>Process a batch of events untill no more are available. You must not read any more values from this class after this function returns false. </p>

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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a7b54cae0fdaae3d23aaccf2dbb9344ef">&#9670;&nbsp;</a></span>outputs</h2>

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          <td class="memname">float* AudioMidiSyncHelper::outputs[2]</td>
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<p>Parameters from the run function, adjusted for event sync </p>

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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>distrho/<a class="el" href="DistrhoPluginUtils_8hpp_source.html">DistrhoPluginUtils.hpp</a></li>
</ul>
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