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<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="#pro-attribs">Protected Attributes</a> &#124;
<a href="structMPESynthesiserBase-members.html">List of all members</a>  </div>
  <div class="headertitle">
<div class="title">MPESynthesiserBase Struct Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div>  </div>
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<p>Derive from this class to create a basic audio generator capable of MPE.  
 <a href="structMPESynthesiserBase.html#details">More...</a></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
  <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for MPESynthesiserBase:</div>
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  <map id="MPESynthesiserBase_map" name="MPESynthesiserBase_map">
<area href="classMPEInstrument_1_1Listener.html" title="Derive from this class to be informed about any changes in the expressive MIDI notes played by this i..." alt="MPEInstrument::Listener" shape="rect" coords="0,0,147,24"/>
<area href="classMPESynthesiser.html" title="Base class for an MPE-compatible musical device that can play sounds. " alt="MPESynthesiser" shape="rect" coords="0,112,147,136"/>
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<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:a74424e05c011bc07e8c626e6911b5fd6"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a74424e05c011bc07e8c626e6911b5fd6">MPESynthesiserBase</a> ()</td></tr>
<tr class="memdesc:a74424e05c011bc07e8c626e6911b5fd6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <a href="#a74424e05c011bc07e8c626e6911b5fd6">More...</a><br /></td></tr>
<tr class="separator:a74424e05c011bc07e8c626e6911b5fd6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a15daf0b062b97aed7d4b1eb9fa0112ce"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a15daf0b062b97aed7d4b1eb9fa0112ce">MPESynthesiserBase</a> (<a class="el" href="classMPEInstrument.html">MPEInstrument</a> *<a class="el" href="structMPESynthesiserBase.html#a714dfff07d6efda0363f4f0e62839482">instrument</a>)</td></tr>
<tr class="memdesc:a15daf0b062b97aed7d4b1eb9fa0112ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor.  <a href="#a15daf0b062b97aed7d4b1eb9fa0112ce">More...</a><br /></td></tr>
<tr class="separator:a15daf0b062b97aed7d4b1eb9fa0112ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aae3ea68ecf5083e8b12a89f59935c61e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classMPEZoneLayout.html">MPEZoneLayout</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#aae3ea68ecf5083e8b12a89f59935c61e">getZoneLayout</a> () const noexcept</td></tr>
<tr class="memdesc:aae3ea68ecf5083e8b12a89f59935c61e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the synthesiser's internal MPE zone layout.  <a href="#aae3ea68ecf5083e8b12a89f59935c61e">More...</a><br /></td></tr>
<tr class="separator:aae3ea68ecf5083e8b12a89f59935c61e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afeac8dac88466e65c1b86c94be91fe02"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#afeac8dac88466e65c1b86c94be91fe02">setZoneLayout</a> (<a class="el" href="classMPEZoneLayout.html">MPEZoneLayout</a> newLayout)</td></tr>
<tr class="memdesc:afeac8dac88466e65c1b86c94be91fe02"><td class="mdescLeft">&#160;</td><td class="mdescRight">Re-sets the synthesiser's internal MPE zone layout to the one passed in.  <a href="#afeac8dac88466e65c1b86c94be91fe02">More...</a><br /></td></tr>
<tr class="separator:afeac8dac88466e65c1b86c94be91fe02"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa4b7f08d7300b5fd4b7dee5afe0a5b6e"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#aa4b7f08d7300b5fd4b7dee5afe0a5b6e">setCurrentPlaybackSampleRate</a> (double sampleRate)</td></tr>
<tr class="memdesc:aa4b7f08d7300b5fd4b7dee5afe0a5b6e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tells the synthesiser what the sample rate is for the audio it's being used to render.  <a href="#aa4b7f08d7300b5fd4b7dee5afe0a5b6e">More...</a><br /></td></tr>
<tr class="separator:aa4b7f08d7300b5fd4b7dee5afe0a5b6e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aeeb6866efb815c5fecfaeee7a25df4f8"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#aeeb6866efb815c5fecfaeee7a25df4f8">getSampleRate</a> () const noexcept</td></tr>
<tr class="memdesc:aeeb6866efb815c5fecfaeee7a25df4f8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the current target sample rate at which rendering is being done.  <a href="#aeeb6866efb815c5fecfaeee7a25df4f8">More...</a><br /></td></tr>
<tr class="separator:aeeb6866efb815c5fecfaeee7a25df4f8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6b0bfbf04857771b9df5c49ea7ba14df"><td class="memTemplParams" colspan="2">template&lt;typename floatType &gt; </td></tr>
<tr class="memitem:a6b0bfbf04857771b9df5c49ea7ba14df"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a6b0bfbf04857771b9df5c49ea7ba14df">renderNextBlock</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; floatType &gt; &amp;outputAudio, const <a class="el" href="classMidiBuffer.html">MidiBuffer</a> &amp;inputMidi, int startSample, int numSamples)</td></tr>
<tr class="memdesc:a6b0bfbf04857771b9df5c49ea7ba14df"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates the next block of audio output.  <a href="#a6b0bfbf04857771b9df5c49ea7ba14df">More...</a><br /></td></tr>
<tr class="separator:a6b0bfbf04857771b9df5c49ea7ba14df"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4d2ec25d39adbbe075cc73b16ac57350"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a4d2ec25d39adbbe075cc73b16ac57350">handleMidiEvent</a> (const <a class="el" href="classMidiMessage.html">MidiMessage</a> &amp;)</td></tr>
<tr class="memdesc:a4d2ec25d39adbbe075cc73b16ac57350"><td class="mdescLeft">&#160;</td><td class="mdescRight">Handle incoming MIDI events (called from renderNextBlock).  <a href="#a4d2ec25d39adbbe075cc73b16ac57350">More...</a><br /></td></tr>
<tr class="separator:a4d2ec25d39adbbe075cc73b16ac57350"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a86d907030c48a8abf67810ba08a8ff98"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a86d907030c48a8abf67810ba08a8ff98">setMinimumRenderingSubdivisionSize</a> (int numSamples, bool shouldBeStrict=false) noexcept</td></tr>
<tr class="memdesc:a86d907030c48a8abf67810ba08a8ff98"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets a minimum limit on the size to which audio sub-blocks will be divided when rendering.  <a href="#a86d907030c48a8abf67810ba08a8ff98">More...</a><br /></td></tr>
<tr class="separator:a86d907030c48a8abf67810ba08a8ff98"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4abccdd51b94666cd099d115152da4e5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a4abccdd51b94666cd099d115152da4e5">enableLegacyMode</a> (int pitchbendRange=2, <a class="el" href="classRange.html">Range</a>&lt; int &gt; channelRange=<a class="el" href="classRange.html">Range</a>&lt; int &gt;(1, 17))</td></tr>
<tr class="memdesc:a4abccdd51b94666cd099d115152da4e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Puts the synthesiser into legacy mode.  <a href="#a4abccdd51b94666cd099d115152da4e5">More...</a><br /></td></tr>
<tr class="separator:a4abccdd51b94666cd099d115152da4e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaa7616a70ce2cb4e9253d85031caf309"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#aaa7616a70ce2cb4e9253d85031caf309">isLegacyModeEnabled</a> () const noexcept</td></tr>
<tr class="memdesc:aaa7616a70ce2cb4e9253d85031caf309"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if the instrument is in legacy mode, false otherwise.  <a href="#aaa7616a70ce2cb4e9253d85031caf309">More...</a><br /></td></tr>
<tr class="separator:aaa7616a70ce2cb4e9253d85031caf309"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1d9886cbd222f3bc01858659fb187787"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classRange.html">Range</a>&lt; int &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a1d9886cbd222f3bc01858659fb187787">getLegacyModeChannelRange</a> () const noexcept</td></tr>
<tr class="memdesc:a1d9886cbd222f3bc01858659fb187787"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the range of MIDI channels (1-16) to be used for notes when in legacy mode.  <a href="#a1d9886cbd222f3bc01858659fb187787">More...</a><br /></td></tr>
<tr class="separator:a1d9886cbd222f3bc01858659fb187787"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac4695668d9cc9ad26f3bb1a5a370d582"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#ac4695668d9cc9ad26f3bb1a5a370d582">setLegacyModeChannelRange</a> (<a class="el" href="classRange.html">Range</a>&lt; int &gt; channelRange)</td></tr>
<tr class="memdesc:ac4695668d9cc9ad26f3bb1a5a370d582"><td class="mdescLeft">&#160;</td><td class="mdescRight">Re-sets the range of MIDI channels (1-16) to be used for notes when in legacy mode.  <a href="#ac4695668d9cc9ad26f3bb1a5a370d582">More...</a><br /></td></tr>
<tr class="separator:ac4695668d9cc9ad26f3bb1a5a370d582"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5edf96cd4354ea30d38350f2f4b38647"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a5edf96cd4354ea30d38350f2f4b38647">getLegacyModePitchbendRange</a> () const noexcept</td></tr>
<tr class="memdesc:a5edf96cd4354ea30d38350f2f4b38647"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the pitchbend range in semitones (0-96) to be used for notes when in legacy mode.  <a href="#a5edf96cd4354ea30d38350f2f4b38647">More...</a><br /></td></tr>
<tr class="separator:a5edf96cd4354ea30d38350f2f4b38647"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9ed7113fa62ec1f9e979b568c6d99893"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a9ed7113fa62ec1f9e979b568c6d99893">setLegacyModePitchbendRange</a> (int pitchbendRange)</td></tr>
<tr class="memdesc:a9ed7113fa62ec1f9e979b568c6d99893"><td class="mdescLeft">&#160;</td><td class="mdescRight">Re-sets the pitchbend range in semitones (0-96) to be used for notes when in legacy mode.  <a href="#a9ed7113fa62ec1f9e979b568c6d99893">More...</a><br /></td></tr>
<tr class="separator:a9ed7113fa62ec1f9e979b568c6d99893"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classMPEInstrument_1_1Listener"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classMPEInstrument_1_1Listener')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classMPEInstrument_1_1Listener.html">MPEInstrument::Listener</a></td></tr>
<tr class="memitem:ac877fa9127b1c3718ebad025fcb0ff85 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#ac877fa9127b1c3718ebad025fcb0ff85">~Listener</a> ()</td></tr>
<tr class="memdesc:ac877fa9127b1c3718ebad025fcb0ff85 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="classMPEInstrument_1_1Listener.html#ac877fa9127b1c3718ebad025fcb0ff85">More...</a><br /></td></tr>
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<tr class="memitem:a3ed24fc611a2d655a0a7c06eb0883b6a inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#a3ed24fc611a2d655a0a7c06eb0883b6a">noteAdded</a> (<a class="el" href="structMPENote.html">MPENote</a> newNote)=0</td></tr>
<tr class="memdesc:a3ed24fc611a2d655a0a7c06eb0883b6a inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this callback to be informed whenever a new expressive MIDI note is triggered.  <a href="classMPEInstrument_1_1Listener.html#a3ed24fc611a2d655a0a7c06eb0883b6a">More...</a><br /></td></tr>
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<tr class="memitem:adc06f3989c5cd699ae97c391d2117b42 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#adc06f3989c5cd699ae97c391d2117b42">notePressureChanged</a> (<a class="el" href="structMPENote.html">MPENote</a> changedNote)=0</td></tr>
<tr class="memdesc:adc06f3989c5cd699ae97c391d2117b42 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this callback to be informed whenever a currently playing MPE note's pressure value changes.  <a href="classMPEInstrument_1_1Listener.html#adc06f3989c5cd699ae97c391d2117b42">More...</a><br /></td></tr>
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<tr class="memitem:a47609333f6dc48544da697e9d42188ae inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#a47609333f6dc48544da697e9d42188ae">notePitchbendChanged</a> (<a class="el" href="structMPENote.html">MPENote</a> changedNote)=0</td></tr>
<tr class="memdesc:a47609333f6dc48544da697e9d42188ae inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this callback to be informed whenever a currently playing MPE note's pitchbend value changes.  <a href="classMPEInstrument_1_1Listener.html#a47609333f6dc48544da697e9d42188ae">More...</a><br /></td></tr>
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<tr class="memitem:a2479e31f024803b3a3379341c5a6fda1 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#a2479e31f024803b3a3379341c5a6fda1">noteTimbreChanged</a> (<a class="el" href="structMPENote.html">MPENote</a> changedNote)=0</td></tr>
<tr class="memdesc:a2479e31f024803b3a3379341c5a6fda1 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this callback to be informed whenever a currently playing MPE note's timbre value changes.  <a href="classMPEInstrument_1_1Listener.html#a2479e31f024803b3a3379341c5a6fda1">More...</a><br /></td></tr>
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<tr class="memitem:a88c9dda48fed8107b7b5e355b1273d73 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#a88c9dda48fed8107b7b5e355b1273d73">noteKeyStateChanged</a> (<a class="el" href="structMPENote.html">MPENote</a> changedNote)=0</td></tr>
<tr class="memdesc:a88c9dda48fed8107b7b5e355b1273d73 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this callback to be informed whether a currently playing MPE note's key state (whether the key is down and/or the note is sustained) has changed.  <a href="classMPEInstrument_1_1Listener.html#a88c9dda48fed8107b7b5e355b1273d73">More...</a><br /></td></tr>
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<tr class="memitem:ac5ebbf72827b08d96c1e9c45de27c317 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classMPEInstrument_1_1Listener.html#ac5ebbf72827b08d96c1e9c45de27c317">noteReleased</a> (<a class="el" href="structMPENote.html">MPENote</a> finishedNote)=0</td></tr>
<tr class="memdesc:ac5ebbf72827b08d96c1e9c45de27c317 inherit pub_methods_classMPEInstrument_1_1Listener"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this callback to be informed whenever an MPE note is released (either by a note-off message, or by a sustain/sostenuto pedal release for a note that already received a note-off), and should therefore stop playing.  <a href="classMPEInstrument_1_1Listener.html#ac5ebbf72827b08d96c1e9c45de27c317">More...</a><br /></td></tr>
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Protected Member Functions</h2></td></tr>
<tr class="memitem:a35cb8fe7b87b603884ee3f4837be07aa"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a35cb8fe7b87b603884ee3f4837be07aa">renderNextSubBlock</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; float &gt; &amp;outputAudio, int startSample, int numSamples)=0</td></tr>
<tr class="memdesc:a35cb8fe7b87b603884ee3f4837be07aa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this method to render your audio inside.  <a href="#a35cb8fe7b87b603884ee3f4837be07aa">More...</a><br /></td></tr>
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<tr class="memitem:a7eb0cef08098b387967879d30efee749"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a7eb0cef08098b387967879d30efee749">renderNextSubBlock</a> (<a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; double &gt; &amp;, int, int)</td></tr>
<tr class="memdesc:a7eb0cef08098b387967879d30efee749"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement this method if you want to render 64-bit audio as well; otherwise leave blank.  <a href="#a7eb0cef08098b387967879d30efee749">More...</a><br /></td></tr>
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Protected Attributes</h2></td></tr>
<tr class="memitem:a714dfff07d6efda0363f4f0e62839482"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt; <a class="el" href="classMPEInstrument.html">MPEInstrument</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structMPESynthesiserBase.html#a714dfff07d6efda0363f4f0e62839482">instrument</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Derive from this class to create a basic audio generator capable of MPE. </p>
<p>Implement the callbacks of <a class="el" href="classMPEInstrument_1_1Listener.html" title="Derive from this class to be informed about any changes in the expressive MIDI notes played by this i...">MPEInstrument::Listener</a> (noteAdded, notePressureChanged etc.) to let your audio generator know that MPE notes were triggered, modulated, or released. What to do inside them, and how that influences your audio generator, is up to you!</p>
<p>This class uses an instance of <a class="el" href="classMPEInstrument.html">MPEInstrument</a> internally to handle the MPE note state logic.</p>
<p>This class is a very low-level base class for an MPE instrument. If you need something more sophisticated, have a look at <a class="el" href="classMPESynthesiser.html" title="Base class for an MPE-compatible musical device that can play sounds. ">MPESynthesiser</a>. This class extends <a class="el" href="structMPESynthesiserBase.html" title="Derive from this class to create a basic audio generator capable of MPE. ">MPESynthesiserBase</a> by adding the concept of voices that can play notes, a voice stealing algorithm, and much more.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classMPESynthesiser.html" title="Base class for an MPE-compatible musical device that can play sounds. ">MPESynthesiser</a>, <a class="el" href="classMPEInstrument.html">MPEInstrument</a> </dd></dl>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<p>Constructor. </p>

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          <td class="paramtype"><a class="el" href="classMPEInstrument.html">MPEInstrument</a> *&#160;</td>
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<p>Constructor. </p>
<p>If you use this constructor, the synthesiser will take ownership of the provided instrument object, and will use it internally to handle the MPE note state logic. This is useful if you want to use an instance of your own class derived from <a class="el" href="classMPEInstrument.html">MPEInstrument</a> for the MPE logic. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aae3ea68ecf5083e8b12a89f59935c61e">&sect;&nbsp;</a></span>getZoneLayout()</h2>

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<p>Returns the synthesiser's internal MPE zone layout. </p>
<p>This happens by value, to enforce thread-safety and class invariants. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#afeac8dac88466e65c1b86c94be91fe02">&sect;&nbsp;</a></span>setZoneLayout()</h2>

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<p>Re-sets the synthesiser's internal MPE zone layout to the one passed in. </p>
<p>As a side effect, this will discard all currently playing notes, call noteReleased for all of them, and disable legacy mode (if previously enabled). </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa4b7f08d7300b5fd4b7dee5afe0a5b6e">&sect;&nbsp;</a></span>setCurrentPlaybackSampleRate()</h2>

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<p>Tells the synthesiser what the sample rate is for the audio it's being used to render. </p>

<p>Reimplemented in <a class="el" href="classMPESynthesiser.html#aaa4de3655921d4971ad4334001f096b1">MPESynthesiser</a>.</p>

<p>Referenced by <a class="el" href="classMPESynthesiser.html#a66626bd58b9d126ed61d847a572441ee">MPESynthesiser::isVoiceStealingEnabled()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#aeeb6866efb815c5fecfaeee7a25df4f8">&sect;&nbsp;</a></span>getSampleRate()</h2>

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<p>Returns the current target sample rate at which rendering is being done. </p>
<p>Subclasses may need to know this so that they can pitch things correctly. </p>

<p>References <a class="el" href="classMPEInstrument.html#a5a947eb3f30c2566ba448ce48b2925f8">MPEInstrument::enableLegacyMode()</a>, <a class="el" href="classMPEInstrument.html#a48d08cc214e07dd772fb8ed8c6ec679a">MPEInstrument::getLegacyModeChannelRange()</a>, <a class="el" href="classMPEInstrument.html#a490802cc4db8272096a09123adf8fdf1">MPEInstrument::getLegacyModePitchbendRange()</a>, <a class="el" href="classMPEInstrument.html#a472e505a54849b94df8b2c28721cb05f">MPEInstrument::isLegacyModeEnabled()</a>, <a class="el" href="classMPEInstrument.html#abef02c4b4ea3d4fc9ce6aede066696ef">MPEInstrument::setLegacyModeChannelRange()</a>, and <a class="el" href="classMPEInstrument.html#a6c4f9fd1840122bf9520a504dbfda956">MPEInstrument::setLegacyModePitchbendRange()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a6b0bfbf04857771b9df5c49ea7ba14df">&sect;&nbsp;</a></span>renderNextBlock()</h2>

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<p>Creates the next block of audio output. </p>
<p>Call this to make sound. This will chop up the <a class="el" href="classAudioBuffer.html" title="A multi-channel buffer of floating point audio samples. ">AudioBuffer</a> into subBlock pieces separated by events in the MIDI buffer, and then call processNextSubBlock on each one of them. In between you will get calls to noteAdded/Changed/Finished, where you can update parameters that depend on those notes to use for your audio rendering. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4d2ec25d39adbbe075cc73b16ac57350">&sect;&nbsp;</a></span>handleMidiEvent()</h2>

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<p>Handle incoming MIDI events (called from renderNextBlock). </p>
<p>The default implementation provided here simply forwards everything to <a class="el" href="classMPEInstrument.html#ad111bad93f9b6820d032ec9884775418" title="Process a MIDI message and trigger the appropriate method calls (noteOn, noteOff etc.) ">MPEInstrument::processNextMidiEvent</a>, where it is used to update the MPE notes, zones etc. MIDI messages not relevant for MPE are ignored.</p>
<p>This method can be overridden if you need to do custom MIDI handling on top of MPE. The <a class="el" href="classMPESynthesiser.html" title="Base class for an MPE-compatible musical device that can play sounds. ">MPESynthesiser</a> class overrides this to implement callbacks for MIDI program changes and non-MPE-related MIDI controller messages. </p>

<p>Reimplemented in <a class="el" href="classMPESynthesiser.html#a2dd519f9423daede17cc9658b90235e9">MPESynthesiser</a>.</p>

<p>Referenced by <a class="el" href="classMPESynthesiser.html#a66626bd58b9d126ed61d847a572441ee">MPESynthesiser::isVoiceStealingEnabled()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a86d907030c48a8abf67810ba08a8ff98">&sect;&nbsp;</a></span>setMinimumRenderingSubdivisionSize()</h2>

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<p>Sets a minimum limit on the size to which audio sub-blocks will be divided when rendering. </p>
<p>When rendering, the audio blocks that are passed into <a class="el" href="structMPESynthesiserBase.html#a6b0bfbf04857771b9df5c49ea7ba14df" title="Creates the next block of audio output. ">renderNextBlock()</a> will be split up into smaller blocks that lie between all the incoming midi messages, and it is these smaller sub-blocks that are rendered with multiple calls to renderVoices().</p>
<p>Obviously in a pathological case where there are midi messages on every sample, then renderVoices() could be called once per sample and lead to poor performance, so this setting allows you to set a lower limit on the block size.</p>
<p>The default setting is 32, which means that midi messages are accurate to about &lt; 1ms accuracy, which is probably fine for most purposes, but you may want to increase or decrease this value for your synth.</p>
<p>If shouldBeStrict is true, the audio sub-blocks will strictly never be smaller than numSamples.</p>
<p>If shouldBeStrict is false (default), the first audio sub-block in the buffer is allowed to be smaller, to make sure that the first MIDI event in a buffer will always be sample-accurate (this can sometimes help to avoid quantisation or phasing issues). </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4abccdd51b94666cd099d115152da4e5">&sect;&nbsp;</a></span>enableLegacyMode()</h2>

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<p>Puts the synthesiser into legacy mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">pitchbendRange</td><td>The note pitchbend range in semitones to use when in legacy mode. Must be between 0 and 96, otherwise behaviour is undefined. The default pitchbend range in legacy mode is +/- 2 semitones. </td></tr>
    <tr><td class="paramname">channelRange</td><td>The range of MIDI channels to use for notes when in legacy mode. The default is to use all MIDI channels (1-16).</td></tr>
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<p>To get out of legacy mode, set a new MPE zone layout using setZoneLayout. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aaa7616a70ce2cb4e9253d85031caf309">&sect;&nbsp;</a></span>isLegacyModeEnabled()</h2>

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<p>Returns true if the instrument is in legacy mode, false otherwise. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a1d9886cbd222f3bc01858659fb187787">&sect;&nbsp;</a></span>getLegacyModeChannelRange()</h2>

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<p>Returns the range of MIDI channels (1-16) to be used for notes when in legacy mode. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ac4695668d9cc9ad26f3bb1a5a370d582">&sect;&nbsp;</a></span>setLegacyModeChannelRange()</h2>

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          <td class="paramname"><em>channelRange</em></td><td>)</td>
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<p>Re-sets the range of MIDI channels (1-16) to be used for notes when in legacy mode. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a5edf96cd4354ea30d38350f2f4b38647">&sect;&nbsp;</a></span>getLegacyModePitchbendRange()</h2>

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<p>Returns the pitchbend range in semitones (0-96) to be used for notes when in legacy mode. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a9ed7113fa62ec1f9e979b568c6d99893">&sect;&nbsp;</a></span>setLegacyModePitchbendRange()</h2>

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<p>Re-sets the pitchbend range in semitones (0-96) to be used for notes when in legacy mode. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a35cb8fe7b87b603884ee3f4837be07aa">&sect;&nbsp;</a></span>renderNextSubBlock() <span class="overload">[1/2]</span></h2>

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          <td class="paramname"><em>outputAudio</em>, </td>
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          <td class="paramname"><em>startSample</em>, </td>
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          <td class="paramname"><em>numSamples</em>&#160;</td>
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<p>Implement this method to render your audio inside. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="structMPESynthesiserBase.html#a6b0bfbf04857771b9df5c49ea7ba14df" title="Creates the next block of audio output. ">renderNextBlock</a> </dd></dl>

<p>Implemented in <a class="el" href="classMPESynthesiser.html#a5192d64f9a0f664dbeb28b34e216381c">MPESynthesiser</a>.</p>

<p>Referenced by <a class="el" href="classMPESynthesiser.html#a8902a959475b2c1a22f04c6235edf214">MPESynthesiser::handleProgramChange()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a7eb0cef08098b387967879d30efee749">&sect;&nbsp;</a></span>renderNextSubBlock() <span class="overload">[2/2]</span></h2>

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          <td class="paramtype"><a class="el" href="classAudioBuffer.html">AudioBuffer</a>&lt; double &gt; &amp;&#160;</td>
          <td class="paramname">, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname">, </td>
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<p>Implement this method if you want to render 64-bit audio as well; otherwise leave blank. </p>

<p>Reimplemented in <a class="el" href="classMPESynthesiser.html#a98c17883ec58f43951ac70026cb7ffd8">MPESynthesiser</a>.</p>

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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a714dfff07d6efda0363f4f0e62839482">&sect;&nbsp;</a></span>instrument</h2>

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          <td class="memname"><a class="el" href="classScopedPointer.html">ScopedPointer</a>&lt;<a class="el" href="classMPEInstrument.html">MPEInstrument</a>&gt; MPESynthesiserBase::instrument</td>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="juce__MPESynthesiserBase_8h.html">juce_MPESynthesiserBase.h</a></li>
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