Function enumerate_api

examples/midiprobe.cpp:20–52

#include <thread>

void enumerate_api(libremidi::API api)
{
  std::string_view api_name = libremidi::get_api_display_name(api);
  std::cout << "Displaying ports for: " << api_name << std::endl;

  // On Windows 10, apparently the MIDI devices aren't exactly available as soon as the app open...
  std::this_thread::sleep_for(std::chrono::milliseconds(100));

  libremidi::observer midi{
      {.track_hardware = true, .track_virtual = true}, libremidi::observer_configuration_for(api)};

  std::this_thread::sleep_for(std::chrono::milliseconds(100));

  {
    // Check inputs.
    auto ports = midi.get_input_ports();
    std::cout << ports.size() << " MIDI input sources:\n";
    int i = 0;
    for (auto& port : ports)
      std::cout << " - " << i++ << ": " << port << '\n';
  }

  {
    // Check outputs.
    auto ports = midi.get_output_ports();
    std::cout << ports.size() << " MIDI output sinks:\n";
    int i = 0;
    for (auto& port : ports)
      std::cout << " - " << i++ << ": " << port << '\n';
  }

  std::cout << "\n";
}

int main()
{