Usage

1. Copy the knm_synthesizer.hpp and knm_soundfont.hpp files in a convenient place for your project

2. In one C++ file, add the following code to create the implementation:

#define KNM_SYNTHESIZER_IMPLEMENTATION
#include <knm_synthesizer.hpp>

In other files, just use #include <knm_synthesizer.hpp>

Here is an example using the library to retrieve the data about key 60 (C4) at velocity 20 in bank 0, preset 0:

#define KNM_SYNTHESIZER_IMPLEMENTATION
#include <knm_synthesizer.hpp>

#include <iostream>

using namespace knm::synth;


int main(int argc, char** argv)
{
    // Create the synthesizer
    SynthesizerSettings settings(22050);
    Synthesizer synthesizer(settings);

    // Load the SoundFont file
    if (!synthesizer.loadSoundFont("/path/to/sounfont/file.sf2"))
    {
        std::cerr << "Failed to load SoundFont file" << std::endl;
        return 1;
    }

    synthesizer.setMasterVolume(6.0f);

    // Create the output buffers
    size_t duration = 1.0 * settings.sampleRate();

    float* left = new float[duration];
    float* right = new float[duration];

    memset((char*) left, 0, duration * sizeof(float));
    memset((char*) right, 0, duration * sizeof(float));

    // Play the note for 0.5 second and then release the key
    size_t note_duration = duration / 2;

    synthesizer.noteOn(0, 60, 100);
    synthesizer.render(left, right, note_duration);

    synthesizer.noteOff(0, 60);
    synthesizer.render(left + note_duration, right + note_duration, note_duration);

    // Do something with the buffers

    delete[] left;
    delete[] right;

    return 0;
}