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added Frequency to note object
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‎src/objects/sound/FrequencyToNote.cpp‎

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/*==============================================================================
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ofxVisualProgramming: A visual programming patching environment for OF
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Copyright (c) 2023 Emanuele Mazza aka n3m3da <[email protected]>
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ofxVisualProgramming is distributed under the MIT License.
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This gives everyone the freedoms to use ofxVisualProgramming in any context:
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commercial or non-commercial, public or private, open or closed source.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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See https://github.com/d3cod3/ofxVisualProgramming for documentation
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==============================================================================*/
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#ifndef OFXVP_BUILD_WITH_MINIMAL_OBJECTS
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#include "FrequencyToNote.h"
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string notation_2[NOTES] = {"C1","C#1","D1","D#1","E1","F1","F#1","G1","G#1","A1","A#1","B1",
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"C2","C#2","D2","D#2","E2","F2","F#2","G2","G#2","A2","A#2","B2",
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"C3","C#3","D3","D#3","E3","F3","F#3","G3","G#3","A3","A#3","B3",
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"C4","C#4","D4","D#4","E4","F4","F#4","G4","G#4","A4","A#4","B4",
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"C5","C#5","D5","D#5","E5","F5","F#5","G5","G#5","A5","A#5","B5",
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"C6","C#6","D6","D#6","E6","F6","F#6","G6","G#6","A6","A#6","B6",
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"C7","C#7","D7","D#7","E7","F7","F#7","G7","G#7","A7","A#7","B7",
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"C8","C#8","D8","D#8","E8","F8","F#8","G8","G#8","A8","A#8","B8",
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"C9","C#9","D9","D#9","E9","F9","F#9","G9","G#9","A9","A#9","B9",
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"C10","C#10","D10","D#10","E10","F10","F#10","G10","G#10","A10","A#10","B10",
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"C11","C#11","D11","D#11","E11","F11","F#11","G11"};
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//--------------------------------------------------------------
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FrequencyToNote::FrequencyToNote() : PatchObject("frequency to note"){
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this->numInlets = 1;
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this->numOutlets = 1;
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_inletParams[0] = new float(); // frequency
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*(float *)&_inletParams[0] = 0.0f;
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_outletParams[0] = new float(); // midi [0 - 127]
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*(float *)&_outletParams[0] = 0.0f;
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this->initInletsState();
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frequency = 440.0f;
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lastNote = frequencyToPitch(frequency);
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loaded = false;
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this->width *= 1.4f;
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}
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//--------------------------------------------------------------
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void FrequencyToNote::newObject(){
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PatchObject::setName( this->objectName );
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this->addInlet(VP_LINK_NUMERIC,"frequency");
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this->addOutlet(VP_LINK_NUMERIC,"midi note");
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}
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//--------------------------------------------------------------
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void FrequencyToNote::setupObjectContent(shared_ptr<ofAppGLFWWindow> &mainWindow){
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unusedArgs(mainWindow);
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}
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//--------------------------------------------------------------
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void FrequencyToNote::updateObjectContent(map<int,shared_ptr<PatchObject>> &patchObjects){
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unusedArgs(patchObjects);
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if(this->inletsConnected[0]){
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frequency = ofClamp(*(float *)&_inletParams[0],1.0f,13289.0f);
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}
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*(float *)&_outletParams[0] = frequencyToPitch(frequency);
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lastNote = static_cast<int>(*(float *)&_outletParams[0]);
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if(!loaded){
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loaded = true;
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lastNote = static_cast<int>(floor(this->getCustomVar("MIDI_NOTE")));
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}
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}
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//--------------------------------------------------------------
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void FrequencyToNote::drawObjectContent(ofTrueTypeFont *font, shared_ptr<ofBaseGLRenderer>& glRenderer){
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unusedArgs(font,glRenderer);
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ofSetColor(255);
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}
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//--------------------------------------------------------------
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void FrequencyToNote::drawObjectNodeGui( ImGuiEx::NodeCanvas& _nodeCanvas ){
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// CONFIG GUI inside Menu
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if(_nodeCanvas.BeginNodeMenu()){
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ImGui::Separator();
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ImGui::Separator();
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ImGui::Separator();
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if (ImGui::BeginMenu("CONFIG"))
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{
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drawObjectNodeConfig(); this->configMenuWidth = ImGui::GetWindowWidth();
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ImGui::EndMenu();
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}
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_nodeCanvas.EndNodeMenu();
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}
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// Visualize (Object main view)
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if( _nodeCanvas.BeginNodeContent(ImGuiExNodeView_Visualise) ){
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ImGui::Dummy(ImVec2(-1,IMGUI_EX_NODE_CONTENT_PADDING*scaleFactor));
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ImGui::PushItemWidth(90*scaleFactor);
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ImGui::InputFloat("frequency",&frequency);
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ImGui::PopItemWidth();
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ImGui::Spacing();
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ImGui::Spacing();
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ImGui::Spacing();
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ImGui::Text("Midi note: %s", ofToString(lastNote).c_str());
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ImGui::Spacing();
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ImGui::Text("Notation: %s", notation_2[static_cast<int>(lastNote)].c_str());
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_nodeCanvas.EndNodeContent();
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}
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}
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//--------------------------------------------------------------
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void FrequencyToNote::drawObjectNodeConfig(){
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ImGuiEx::ObjectInfo(
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"Convert a frequency in Hz to his correspondent quantized note",
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"https://mosaic.d3cod3.org/reference.php?r=frequency-to-note", scaleFactor);
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}
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//--------------------------------------------------------------
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void FrequencyToNote::removeObjectContent(bool removeFileFromData){
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unusedArgs(removeFileFromData);
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}
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//--------------------------------------------------
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float FrequencyToNote::frequencyToPitch(float freq){
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return pdsp::f2p(freq);
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}
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OBJECT_REGISTER( FrequencyToNote, "frequency to note", OFXVP_OBJECT_CAT_SOUND)
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#endif

‎src/objects/sound/FrequencyToNote.h‎

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/*==============================================================================
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ofxVisualProgramming: A visual programming patching environment for OF
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5+
Copyright (c) 2023 Emanuele Mazza aka n3m3da <[email protected]>
6+
7+
ofxVisualProgramming is distributed under the MIT License.
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This gives everyone the freedoms to use ofxVisualProgramming in any context:
9+
commercial or non-commercial, public or private, open or closed source.
10+
11+
Permission is hereby granted, free of charge, to any person obtaining a
12+
copy of this software and associated documentation files (the "Software"),
13+
to deal in the Software without restriction, including without limitation
14+
the rights to use, copy, modify, merge, publish, distribute, sublicense,
15+
and/or sell copies of the Software, and to permit persons to whom the
16+
Software is furnished to do so, subject to the following conditions:
17+
18+
The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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21+
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23+
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24+
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25+
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26+
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27+
DEALINGS IN THE SOFTWARE.
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See https://github.com/d3cod3/ofxVisualProgramming for documentation
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==============================================================================*/
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#ifndef OFXVP_BUILD_WITH_MINIMAL_OBJECTS
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#pragma once
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#include "PatchObject.h"
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// english musical notation: C C# D D# E F F# G G# A A# B
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// latin musical notation: DO DO# RE RE# MI FA FA# SOL SOL# LA LA# SI
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// indian musical notation: SA SA# RE RE# GA MA MA# PA PA# DA DA# NI
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class FrequencyToNote : public PatchObject {
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public:
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FrequencyToNote();
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void newObject() override;
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void setupObjectContent(shared_ptr<ofAppGLFWWindow> &mainWindow) override;
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void updateObjectContent(map<int,shared_ptr<PatchObject>> &patchObjects) override;
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void drawObjectContent(ofTrueTypeFont *font, shared_ptr<ofBaseGLRenderer>& glRenderer) override;
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void drawObjectNodeGui( ImGuiEx::NodeCanvas& _nodeCanvas ) override;
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void drawObjectNodeConfig() override;
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void removeObjectContent(bool removeFileFromData=false) override;
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float frequencyToPitch(float freq);
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float frequency;
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int lastNote;
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bool loaded;
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private:
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OBJECT_FACTORY_PROPS
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};
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#endif

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