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<li class="navelem"><a class="el" href="dir_a8a4892678035c62db3a4af7d9811050.html">IPlug</a></li><li class="navelem"><a class="el" href="dir_91051055e54918154e7732bfb3d5e02e.html">Extras</a></li><li class="navelem"><a class="el" href="dir_d4b30d5c376971d0f4766afe86763bfc.html">Synth</a></li> </ul>
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<a href="_synth_voice_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> ==============================================================================</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"></span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> This file is part of the iPlug 2 library. Copyright (C) the iPlug 2 developers.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> See LICENSE.txt for more info.</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"></span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> ==============================================================================</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> */</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <array></span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <vector></span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "ptrlist.h"</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="_i_plug_constants_8h.html">IPlugConstants.h</a>"</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="_i_plug_midi_8h.html">IPlugMidi.h</a>"</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="_i_plug_logger_8h.html">IPlugLogger.h</a>"</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="_i_plug_queue_8h.html">IPlugQueue.h</a>"</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="_control_ramp_8h.html">ControlRamp.h</a>"</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>BEGIN_IPLUG_NAMESPACE</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="namespacevoice_control_names.html"> 34</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacevoice_control_names.html">voiceControlNames</a></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="namespacevoice_control_names.html#a5ae37fe257d6dd646b2d1233ad5091bb"> 37</a></span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="namespacevoice_control_names.html#a5ae37fe257d6dd646b2d1233ad5091bb">eControlNames</a></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> kVoiceControlGate = 0,</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> kVoiceControlPitch,</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> kVoiceControlPitchBend,</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> kVoiceControlPressure,</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> kVoiceControlTimbre,</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> kNumVoiceControlRamps</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> };</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>}</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">using namespace </span><a class="code hl_namespace" href="namespacevoice_control_names.html">voiceControlNames</a>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">using </span>VoiceInputs = ControlRamp::RampArray<kNumVoiceControlRamps>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="preprocessor">#pragma mark - Voice class</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="class_synth_voice.html"> 54</a></span><span class="keyword">class </span><a class="code hl_class" href="class_synth_voice.html">SynthVoice</a></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>{</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">virtual</span> <a class="code hl_class" href="class_synth_voice.html">~SynthVoice</a>() {};</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="class_synth_voice.html#a96f96e8a0c34444a06ebf0a445707ebd"> 61</a></span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="class_synth_voice.html#a96f96e8a0c34444a06ebf0a445707ebd">GetBusy</a>() <span class="keyword">const</span> = 0;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="class_synth_voice.html#a5b5451f7956d2aefdb75de29ee537bae"> 66</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_synth_voice.html#a5b5451f7956d2aefdb75de29ee537bae">Trigger</a>(<span class="keywordtype">double</span> level, <span class="keywordtype">bool</span> isRetrigger) {};</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="class_synth_voice.html#a6584a3bddaf7c8ab2b38dfa919fc639f"> 69</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_synth_voice.html#a6584a3bddaf7c8ab2b38dfa919fc639f">Release</a>() {};</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="class_synth_voice.html#a3bccffecf33fb97b3653b0b4b15b8fca"> 78</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_synth_voice.html#a3bccffecf33fb97b3653b0b4b15b8fca">ProcessSamplesAccumulating</a>(sample** inputs, sample** outputs, <span class="keywordtype">int</span> nInputs, <span class="keywordtype">int</span> nOutputs, <span class="keywordtype">int</span> startIdx, <span class="keywordtype">int</span> nFrames)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < nOutputs; c++)</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> {</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> s = startIdx; s < startIdx + nFrames; s++)</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> outputs[c][s] += 0.; <span class="comment">// if you are following this no-op example, remember you need to accumulate the output of all the different voices</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="class_synth_voice.html#acd94a7a6a057169546530123fdf8b005"> 92</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_synth_voice.html#acd94a7a6a057169546530123fdf8b005">SetSampleRateAndBlockSize</a>(<span class="keywordtype">double</span> sampleRate, <span class="keywordtype">int</span> blockSize) {};</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"><a class="line" href="class_synth_voice.html#ab8791d88f3a9bc691c1af50ca24c5391"> 96</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_synth_voice.html#ab8791d88f3a9bc691c1af50ca24c5391">SetProgramNumber</a>(<span class="keywordtype">int</span> pgm) {};</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="class_synth_voice.html#a8c0c621cee511dbd69296f9f64b68276"> 102</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_synth_voice.html#a8c0c621cee511dbd69296f9f64b68276">SetControl</a>(<span class="keywordtype">int</span> controlNumber, <span class="keywordtype">float</span> value) {};</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> VoiceInputs mInputs;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> int64_t mLastTriggeredTime{-1};</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> uint8_t mVoiceNumber{0};</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> uint8_t mZone{0};</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> uint8_t mChannel{0};</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> uint8_t mKey{0};</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">double</span> mBasePitch{0.};</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">double</span> mGain{0.}; <span class="comment">// used by voice allocator to hard-kill voices.</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code hl_class" href="class_midi_synth.html">MidiSynth</a>;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code hl_class" href="class_voice_allocator.html">VoiceAllocator</a>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>};</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>END_IPLUG_NAMESPACE</div>
<div class="ttc" id="a_control_ramp_8h_html"><div class="ttname"><a href="_control_ramp_8h.html">ControlRamp.h</a></div></div>
<div class="ttc" id="a_i_plug_constants_8h_html"><div class="ttname"><a href="_i_plug_constants_8h.html">IPlugConstants.h</a></div><div class="ttdoc">IPlug Constant definitions, Types, magic numbers.</div></div>
<div class="ttc" id="a_i_plug_logger_8h_html"><div class="ttname"><a href="_i_plug_logger_8h.html">IPlugLogger.h</a></div><div class="ttdoc">IPlug logging a.k.a tracing functionality.</div></div>
<div class="ttc" id="a_i_plug_midi_8h_html"><div class="ttname"><a href="_i_plug_midi_8h.html">IPlugMidi.h</a></div><div class="ttdoc">MIDI and sysex structs/utilites.</div></div>
<div class="ttc" id="a_i_plug_queue_8h_html"><div class="ttname"><a href="_i_plug_queue_8h.html">IPlugQueue.h</a></div></div>
<div class="ttc" id="aclass_midi_synth_html"><div class="ttname"><a href="class_midi_synth.html">MidiSynth</a></div><div class="ttdoc">A monophonic/polyphonic synthesiser base class which can be supplied with a custom voice.</div><div class="ttdef"><b>Definition:</b> <a href="_midi_synth_8h_source.html#l00037">MidiSynth.h:38</a></div></div>
<div class="ttc" id="aclass_synth_voice_html"><div class="ttname"><a href="class_synth_voice.html">SynthVoice</a></div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00054">SynthVoice.h:55</a></div></div>
<div class="ttc" id="aclass_synth_voice_html_a3bccffecf33fb97b3653b0b4b15b8fca"><div class="ttname"><a href="class_synth_voice.html#a3bccffecf33fb97b3653b0b4b15b8fca">SynthVoice::ProcessSamplesAccumulating</a></div><div class="ttdeci">virtual void ProcessSamplesAccumulating(sample **inputs, sample **outputs, int nInputs, int nOutputs, int startIdx, int nFrames)</div><div class="ttdoc">Process a block of audio data for the voice.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00078">SynthVoice.h:78</a></div></div>
<div class="ttc" id="aclass_synth_voice_html_a5b5451f7956d2aefdb75de29ee537bae"><div class="ttname"><a href="class_synth_voice.html#a5b5451f7956d2aefdb75de29ee537bae">SynthVoice::Trigger</a></div><div class="ttdeci">virtual void Trigger(double level, bool isRetrigger)</div><div class="ttdoc">Trigger is called by the VoiceAllocator when a new voice should start, or if the voice limit has been...</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00066">SynthVoice.h:66</a></div></div>
<div class="ttc" id="aclass_synth_voice_html_a6584a3bddaf7c8ab2b38dfa919fc639f"><div class="ttname"><a href="class_synth_voice.html#a6584a3bddaf7c8ab2b38dfa919fc639f">SynthVoice::Release</a></div><div class="ttdeci">virtual void Release()</div><div class="ttdoc">As with Trigger, called to do optional tasks when a voice is released.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00069">SynthVoice.h:69</a></div></div>
<div class="ttc" id="aclass_synth_voice_html_a8c0c621cee511dbd69296f9f64b68276"><div class="ttname"><a href="class_synth_voice.html#a8c0c621cee511dbd69296f9f64b68276">SynthVoice::SetControl</a></div><div class="ttdeci">virtual void SetControl(int controlNumber, float value)</div><div class="ttdoc">Implement this to respond to control numbers for which there are not ramps.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00102">SynthVoice.h:102</a></div></div>
<div class="ttc" id="aclass_synth_voice_html_a96f96e8a0c34444a06ebf0a445707ebd"><div class="ttname"><a href="class_synth_voice.html#a96f96e8a0c34444a06ebf0a445707ebd">SynthVoice::GetBusy</a></div><div class="ttdeci">virtual bool GetBusy() const =0</div></div>
<div class="ttc" id="aclass_synth_voice_html_ab8791d88f3a9bc691c1af50ca24c5391"><div class="ttname"><a href="class_synth_voice.html#ab8791d88f3a9bc691c1af50ca24c5391">SynthVoice::SetProgramNumber</a></div><div class="ttdeci">virtual void SetProgramNumber(int pgm)</div><div class="ttdoc">Implement this to allow picking a sound program from an integer index, as with MIDI.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00096">SynthVoice.h:96</a></div></div>
<div class="ttc" id="aclass_synth_voice_html_acd94a7a6a057169546530123fdf8b005"><div class="ttname"><a href="class_synth_voice.html#acd94a7a6a057169546530123fdf8b005">SynthVoice::SetSampleRateAndBlockSize</a></div><div class="ttdeci">virtual void SetSampleRateAndBlockSize(double sampleRate, int blockSize)</div><div class="ttdoc">Implement this if you need to do work when the sample rate or block size changes.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00092">SynthVoice.h:92</a></div></div>
<div class="ttc" id="aclass_voice_allocator_html"><div class="ttname"><a href="class_voice_allocator.html">VoiceAllocator</a></div><div class="ttdef"><b>Definition:</b> <a href="_voice_allocator_8h_source.html#l00081">VoiceAllocator.h:82</a></div></div>
<div class="ttc" id="anamespacevoice_control_names_html"><div class="ttname"><a href="namespacevoice_control_names.html">voiceControlNames</a></div><div class="ttdoc">A generic synthesizer voice to be controlled by a voice allocator.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00034">SynthVoice.h:35</a></div></div>
<div class="ttc" id="anamespacevoice_control_names_html_a5ae37fe257d6dd646b2d1233ad5091bb"><div class="ttname"><a href="namespacevoice_control_names.html#a5ae37fe257d6dd646b2d1233ad5091bb">voiceControlNames::eControlNames</a></div><div class="ttdeci">eControlNames</div><div class="ttdoc">This enum names the control ramps by which we connect a controller to a synth voice.</div><div class="ttdef"><b>Definition:</b> <a href="_synth_voice_8h_source.html#l00037">SynthVoice.h:38</a></div></div>
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