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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_5bd53f2f201a1d944aaad969f2d209f7.html">AUv3</a></li> </ul>
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<a href="_i_plug_a_uv3_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">#ifndef _IPLUGAPI_</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#define _IPLUGAPI_</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment">// Only load one API class!</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <cstring></span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <unordered_map></span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <CoreAudio/CoreAudioTypes.h></span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "wdlstring.h"</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "assocarray.h"</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_a_p_i_base_8h.html">IPlugAPIBase.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="_i_plug_processor_8h.html">IPlugProcessor.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><span class="keyword">union </span>AURenderEvent;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">struct </span>AUMIDIEvent;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>BEGIN_IPLUG_NAMESPACE</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"> 37</span><span class="keyword">struct </span>InstanceInfo</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>};</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="class_i_plug_a_uv3.html"> 43</a></span><span class="keyword">class </span><a class="code hl_class" href="class_i_plug_a_uv3.html">IPlugAUv3</a> : <span class="keyword">public</span> <a class="code hl_class" href="class_i_plug_a_p_i_base.html">IPlugAPIBase</a></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> , <span class="keyword">public</span> <a class="code hl_class" href="class_i_plug_processor.html">IPlugProcessor</a></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><span class="keyword">public</span>:</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <a class="code hl_class" href="class_i_plug_a_uv3.html">IPlugAUv3</a>(<span class="keyword">const</span> InstanceInfo& info, <span class="keyword">const</span> Config& config);</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="comment">//IPlugAPIBase</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_i_plug_a_uv3.html#a6e85d264236f3988b273c88832425c6b">BeginInformHostOfParamChange</a>(<span class="keywordtype">int</span> idx) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_i_plug_a_uv3.html#a08c596e07cb3ac206e888fc52bdbddc9">InformHostOfParamChange</a>(<span class="keywordtype">int</span> idx, <span class="keywordtype">double</span> normalizedValue) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_i_plug_a_uv3.html#aaaa569b58188b518d1b4dc490fae107d">EndInformHostOfParamChange</a>(<span class="keywordtype">int</span> idx) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="class_i_plug_a_uv3.html#af596d1f0c964968eb16dd9db0a161311"> 53</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_i_plug_a_uv3.html#af596d1f0c964968eb16dd9db0a161311">InformHostOfPresetChange</a>()<span class="keyword"> override </span>{};</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">//IPlugProcessor</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="class_i_plug_a_uv3.html#a539af1c9e36f09b251eb7c0e64cb16c6">SendMidiMsg</a>(<span class="keyword">const</span> <a class="code hl_struct" href="struct_i_midi_msg.html">IMidiMsg</a>& msg) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">// bool SendMidiMsgs(WDL_TypedBuf<IMidiMsg>& msgs) override;</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="class_i_plug_a_uv3.html#a2cf91bcf63bbb5f18cd529afad285aeb">SendSysEx</a>(<span class="keyword">const</span> <a class="code hl_struct" href="struct_i_sys_ex.html">ISysEx</a>& msg) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">//IPlugAUv3</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordtype">void</span> ProcessWithEvents(AudioTimeStamp <span class="keyword">const</span>* timestamp, uint32_t frameCount, AURenderEvent <span class="keyword">const</span>* events, <a class="code hl_struct" href="group___i_plug_structs.html#struct_i_time_info">ITimeInfo</a>& timeInfo);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordtype">void</span> SetParameterFromValueObserver(uint64_t address, <span class="keywordtype">float</span> value);</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">void</span> SendParameterValueFromObserver(uint64_t address, <span class="keywordtype">float</span> value);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">float</span> GetParameter(uint64_t address);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* GetParamDisplay(uint64_t address, <span class="keywordtype">float</span> value);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">float</span> GetParamStringToValue(uint64_t address, <span class="keyword">const</span> <span class="keywordtype">char</span>* str);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">void</span> AttachInputBuffers(AudioBufferList* pInBufferList);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">void</span> AttachOutputBuffers(AudioBufferList* pOutBufferList, uint32_t busNumber);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordtype">void</span> Prepare(<span class="keywordtype">double</span> sampleRate, uint32_t blockSize);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">void</span> AddParamAddress(<span class="keywordtype">int</span> paramIdx, uint64_t paramAddress)</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> {</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> mParamAddressMap.insert({paramIdx, paramAddress});</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> mAddressParamMap.insert({paramAddress, paramIdx});</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> uint64_t GetParamAddress(<span class="keywordtype">int</span> paramIdx) { <span class="keywordflow">return</span> mParamAddressMap[paramIdx]; }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordtype">int</span> GetParamIdx(uint64_t paramAddress) { <span class="keywordflow">return</span> mAddressParamMap[paramAddress]; }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">void</span> SetAUAudioUnit(<span class="keywordtype">void</span>* pAUAudioUnit);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">void</span> SetOffline(<span class="keywordtype">bool</span> renderingOffline) { IPlugProcessor::SetRenderingOffline(renderingOffline); }</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// void HandleOneEvent(AURenderEvent const* event, int64_t startTime);</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// void PerformAllSimultaneousEvents(int64_t now, AURenderEvent const*& event);</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> std::unordered_map<int, uint64_t> mParamAddressMap;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> std::unordered_map<uint64_t, int> mAddressParamMap;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordtype">void</span>* mAUAudioUnit = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> AudioTimeStamp mLastTimeStamp;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>};</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><a class="code hl_class" href="class_i_plug_a_uv3.html">IPlugAUv3</a>* MakePlug(<span class="keyword">const</span> InstanceInfo& info);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span>END_IPLUG_NAMESPACE</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="preprocessor">#endif </span><span class="comment">//_IPLUGAPI_</span></div>
<div class="ttc" id="a_i_plug_a_p_i_base_8h_html"><div class="ttname"><a href="_i_plug_a_p_i_base_8h.html">IPlugAPIBase.h</a></div></div>
<div class="ttc" id="a_i_plug_processor_8h_html"><div class="ttname"><a href="_i_plug_processor_8h.html">IPlugProcessor.h</a></div></div>
<div class="ttc" id="aclass_i_plug_a_p_i_base_html"><div class="ttname"><a href="class_i_plug_a_p_i_base.html">IPlugAPIBase</a></div><div class="ttdoc">The base class of an IPlug plug-in, which interacts with the different plug-in APIs.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_p_i_base_8h_source.html#l00042">IPlugAPIBase.h:43</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html"><div class="ttname"><a href="class_i_plug_a_uv3.html">IPlugAUv3</a></div><div class="ttdoc">AudioUnit v3 API base class for an IPlug plug-in.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8h_source.html#l00043">IPlugAUv3.h:45</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html_a08c596e07cb3ac206e888fc52bdbddc9"><div class="ttname"><a href="class_i_plug_a_uv3.html#a08c596e07cb3ac206e888fc52bdbddc9">IPlugAUv3::InformHostOfParamChange</a></div><div class="ttdeci">void InformHostOfParamChange(int idx, double normalizedValue) override</div><div class="ttdoc">Implemented by the API class, called by the UI via SetParameterValue() with the value of a parameter ...</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8mm_source.html#l00041">IPlugAUv3.mm:41</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html_a2cf91bcf63bbb5f18cd529afad285aeb"><div class="ttname"><a href="class_i_plug_a_uv3.html#a2cf91bcf63bbb5f18cd529afad285aeb">IPlugAUv3::SendSysEx</a></div><div class="ttdeci">bool SendSysEx(const ISysEx &msg) override</div><div class="ttdoc">Send a single MIDI System Exclusive (SysEx) message // TODO: info about what thread should this be ca...</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8mm_source.html#l00068">IPlugAUv3.mm:68</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html_a539af1c9e36f09b251eb7c0e64cb16c6"><div class="ttname"><a href="class_i_plug_a_uv3.html#a539af1c9e36f09b251eb7c0e64cb16c6">IPlugAUv3::SendMidiMsg</a></div><div class="ttdeci">bool SendMidiMsg(const IMidiMsg &msg) override</div><div class="ttdoc">Send a single MIDI message // TODO: info about what thread should this be called on or not called on!</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8mm_source.html#l00054">IPlugAUv3.mm:54</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html_a6e85d264236f3988b273c88832425c6b"><div class="ttname"><a href="class_i_plug_a_uv3.html#a6e85d264236f3988b273c88832425c6b">IPlugAUv3::BeginInformHostOfParamChange</a></div><div class="ttdeci">void BeginInformHostOfParamChange(int idx) override</div><div class="ttdoc">Implemented by the API class, called by the UI (or by a delegate) at the beginning of a parameter cha...</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8mm_source.html#l00035">IPlugAUv3.mm:35</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html_aaaa569b58188b518d1b4dc490fae107d"><div class="ttname"><a href="class_i_plug_a_uv3.html#aaaa569b58188b518d1b4dc490fae107d">IPlugAUv3::EndInformHostOfParamChange</a></div><div class="ttdeci">void EndInformHostOfParamChange(int idx) override</div><div class="ttdoc">Implemented by the API class, called by the UI (or by a delegate) at the end of a parameter change ge...</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8mm_source.html#l00048">IPlugAUv3.mm:48</a></div></div>
<div class="ttc" id="aclass_i_plug_a_uv3_html_af596d1f0c964968eb16dd9db0a161311"><div class="ttname"><a href="class_i_plug_a_uv3.html#af596d1f0c964968eb16dd9db0a161311">IPlugAUv3::InformHostOfPresetChange</a></div><div class="ttdeci">void InformHostOfPresetChange() override</div><div class="ttdoc">Implemented by the API class, called by the UI (etc) when the plug-in initiates a program/preset chan...</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_a_uv3_8h_source.html#l00053">IPlugAUv3.h:53</a></div></div>
<div class="ttc" id="aclass_i_plug_processor_html"><div class="ttname"><a href="class_i_plug_processor.html">IPlugProcessor</a></div><div class="ttdoc">The base class for IPlug Audio Processing.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_processor_8h_source.html#l00041">IPlugProcessor.h:42</a></div></div>
<div class="ttc" id="agroup___i_plug_structs_html_struct_i_time_info"><div class="ttname"><a href="group___i_plug_structs.html#struct_i_time_info">ITimeInfo</a></div><div class="ttdoc">Encapsulates information about the host transport state.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_structs_8h_source.html#l00584">IPlugStructs.h:585</a></div></div>
<div class="ttc" id="astruct_i_midi_msg_html"><div class="ttname"><a href="struct_i_midi_msg.html">IMidiMsg</a></div><div class="ttdoc">Encapsulates a MIDI message and provides helper functions.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_midi_8h_source.html#l00030">IPlugMidi.h:31</a></div></div>
<div class="ttc" id="astruct_i_sys_ex_html"><div class="ttname"><a href="struct_i_sys_ex.html">ISysEx</a></div><div class="ttdoc">A struct for dealing with SysEx messages.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_midi_8h_source.html#l00538">IPlugMidi.h:539</a></div></div>
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