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- <a href="#pub-methods">Public Member Functions</a> |
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- <div class="title">AudioMidiSyncHelper Class Reference</div> </div>
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-
- <p><code>#include <<a class="el" href="DistrhoPluginUtils_8hpp_source.html">DistrhoPluginUtils.hpp</a>></code></p>
- <table class="memberdecls">
- <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"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioMidiSyncHelper.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>
- <tr class="separator:ae75a1d7256c04445ec77176b6505fcb0"><td class="memSeparator" colspan="2"> </td></tr>
- <tr class="memitem:a43f354c1520893449d81a27b3e7a81fe"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioMidiSyncHelper.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 * </td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioMidiSyncHelper.html#a7b54cae0fdaae3d23aaccf2dbb9344ef">outputs</a> [2]</td></tr>
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- uint32_t </td><td class="memItemRight" valign="bottom"><b>frames</b></td></tr>
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- const <a class="el" href="structMidiEvent.html">MidiEvent</a> * </td><td class="memItemRight" valign="bottom"><b>midiEvents</b></td></tr>
- <tr class="separator:ad0a4a51fd808712d5a2b3b1b9ae893b7"><td class="memSeparator" colspan="2"> </td></tr>
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- uint32_t </td><td class="memItemRight" valign="bottom"><b>midiEventCount</b></td></tr>
- <tr class="separator:a8483428a37a7e8aa4573289bddaed6d8"><td class="memSeparator" colspan="2"> </td></tr>
- </table>
- <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="classAudioMidiSyncHelper.html#a43f354c1520893449d81a27b3e7a81fe">nextEvent()</a> until it returns false. </p><div class="fragment"><div class="line"><span class="keywordflow">for</span> (<a class="code" href="classAudioMidiSyncHelper.html">AudioMidiSyncHelper</a> amsh(<a class="code" href="classAudioMidiSyncHelper.html#a7b54cae0fdaae3d23aaccf2dbb9344ef">outputs</a>, frames, midiEvents, midiEventCount); amsh.<a class="code" href="classAudioMidiSyncHelper.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<amsh.midiEventCount; ++i)</div>
- <div class="line"> {</div>
- <div class="line"> <span class="keyword">const</span> <a class="code" href="structMidiEvent.html">MidiEvent</a>& 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><!-- 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 variables names are be 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 & Destructor Documentation</h2>
- <a id="ae75a1d7256c04445ec77176b6505fcb0"></a>
- <h2 class="memtitle"><span class="permalink"><a href="#ae75a1d7256c04445ec77176b6505fcb0">◆ </a></span>AudioMidiSyncHelper()</h2>
-
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- <td class="memname">AudioMidiSyncHelper::AudioMidiSyncHelper </td>
- <td>(</td>
- <td class="paramtype">float **const </td>
- <td class="paramname"><em>o</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">uint32_t </td>
- <td class="paramname"><em>f</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">const <a class="el" href="structMidiEvent.html">MidiEvent</a> * </td>
- <td class="paramname"><em>m</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">uint32_t </td>
- <td class="paramname"><em>mc</em> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
- </td>
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- <span class="mlabels"><span class="mlabel">inline</span></span> </td>
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- </div><div class="memdoc">
- <p>Constructor, using values from the run function. </p>
-
- </div>
- </div>
- <h2 class="groupheader">Member Function Documentation</h2>
- <a id="a43f354c1520893449d81a27b3e7a81fe"></a>
- <h2 class="memtitle"><span class="permalink"><a href="#a43f354c1520893449d81a27b3e7a81fe">◆ </a></span>nextEvent()</h2>
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- <td class="memname">bool AudioMidiSyncHelper::nextEvent </td>
- <td>(</td>
- <td class="paramname"></td><td>)</td>
- <td></td>
- </tr>
- </table>
- </td>
- <td class="mlabels-right">
- <span class="mlabels"><span class="mlabel">inline</span></span> </td>
- </tr>
- </table>
- </div><div class="memdoc">
- <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>
-
- </div>
- </div>
- <h2 class="groupheader">Member Data Documentation</h2>
- <a id="a7b54cae0fdaae3d23aaccf2dbb9344ef"></a>
- <h2 class="memtitle"><span class="permalink"><a href="#a7b54cae0fdaae3d23aaccf2dbb9344ef">◆ </a></span>outputs</h2>
-
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- <td class="memname">float* AudioMidiSyncHelper::outputs[2]</td>
- </tr>
- </table>
- </div><div class="memdoc">
- <p>Parameters from the run function, adjusted for event sync </p>
-
- </div>
- </div>
- <hr/>The documentation for this class was generated from the following file:<ul>
- <li>distrho/<a class="el" href="DistrhoPluginUtils_8hpp_source.html">DistrhoPluginUtils.hpp</a></li>
- </ul>
- </div><!-- contents -->
- <div class="ttc" id="astructMidiEvent_html"><div class="ttname"><a href="structMidiEvent.html">MidiEvent</a></div><div class="ttdef"><b>Definition:</b> DistrhoPlugin.hpp:616</div></div>
- <div class="ttc" id="aclassAudioMidiSyncHelper_html_a7b54cae0fdaae3d23aaccf2dbb9344ef"><div class="ttname"><a href="classAudioMidiSyncHelper.html#a7b54cae0fdaae3d23aaccf2dbb9344ef">AudioMidiSyncHelper::outputs</a></div><div class="ttdeci">float * outputs[2]</div><div class="ttdef"><b>Definition:</b> DistrhoPluginUtils.hpp:53</div></div>
- <div class="ttc" id="aclassAudioMidiSyncHelper_html_a43f354c1520893449d81a27b3e7a81fe"><div class="ttname"><a href="classAudioMidiSyncHelper.html#a43f354c1520893449d81a27b3e7a81fe">AudioMidiSyncHelper::nextEvent</a></div><div class="ttdeci">bool nextEvent()</div><div class="ttdef"><b>Definition:</b> DistrhoPluginUtils.hpp:78</div></div>
- <div class="ttc" id="aclassAudioMidiSyncHelper_html"><div class="ttname"><a href="classAudioMidiSyncHelper.html">AudioMidiSyncHelper</a></div><div class="ttdef"><b>Definition:</b> DistrhoPluginUtils.hpp:50</div></div>
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