Sebastian
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
#include "midi.h"
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#include "libremidi/libremidi.hpp"
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#include "raylib.h"
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#include <iostream>
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#include <memory>
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#include "datatypes.h"
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namespace VISEQ::MIDI {
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void Midi::enumerate(){
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std::cout << (int)obs.get_current_api() << std::endl;
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int i = 0;
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midi_out_ports.clear();
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for(const libremidi::output_port& port : obs.get_output_ports()){
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midi_out_ports.push_back({port, i, false});
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i++;
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}
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auto out_conf = libremidi::midi1::out_default_configuration();
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virtual_midi_out = libremidi::midi_out(libremidi::output_configuration(), out_conf);
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virtual_midi_out.open_virtual_port("viseq out");
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//midi_out_ports.push_back({&virtual_midi_out, 99, false});
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}
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void Midi::open_midi_out(MidiOutPort *out_port){
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if(!midi_outs.contains(out_port->number)){
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auto out = std::make_shared<libremidi::midi_out>();
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out->open_port(out_port->port);
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midi_outs[out_port->number] = out;
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}
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}
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void Midi::close_midi_out(MidiOutPort *out_port){
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if(midi_outs.contains(out_port->number)){
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midi_outs[out_port->number]->close_port();
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midi_outs.erase(out_port->number);
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}
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}
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void Midi::note(int midi_out, int channel, int note, int velocity, int gate){
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if(midi_outs.contains(midi_out)){
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if(midi_outs[midi_out]->is_port_open()){
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midi_outs[midi_out]->send_message(libremidi::channel_events::note_on(channel, note, velocity));
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notes.emplace_back(midi_out, channel, note, velocity, GetTime(), gate);
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}
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}
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virtual_midi_out.send_message(libremidi::channel_events::note_on(channel, note, velocity));
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notes.emplace_back(99, channel, note, velocity, GetTime(), gate);
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}
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void Midi::cc(int midi_out, int channel, int cc, int value){
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if(midi_outs.contains(midi_out)){
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if(midi_outs[midi_out]->is_port_open()){
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midi_outs[midi_out]->send_message(libremidi::channel_events::control_change(channel, cc, value));
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}
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}
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}
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void Midi::pitch_bend(int midi_out, int channel, int pitch_value){
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if(midi_outs.contains(midi_out)){
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if(midi_outs[midi_out]->is_port_open()){
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midi_outs[midi_out]->send_message(libremidi::channel_events::pitch_bend(channel, pitch_value));
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}
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}
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}
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void Midi::update(){
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float time = GetTime();
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for(auto &n : notes){
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if(time - n.start >= (float)n.gate / 1000.0f){
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if(midi_outs.contains(n.midi_out) && midi_outs[n.midi_out]->is_port_open()) midi_outs[n.midi_out]->send_message(libremidi::channel_events::note_off(n.channel, n.note, n.velocity));
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virtual_midi_out.send_message(libremidi::channel_events::note_off(n.channel, n.note, n.velocity));
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n.erase = true;
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}
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}
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std::erase_if(notes, [](const auto& item){return item.erase;});
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for(auto& p : midi_out_ports){
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if(p.enabled) {
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open_midi_out(&p);
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} else if(!p.enabled) {
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close_midi_out(&p);
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}
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}
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}
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}
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