Function print_device

tools/audio.cpp:164–229

  }

  void print_device(device_t &device) {
    audio::wstring_t wstring;
    DWORD device_state;

    device->GetState(&device_state);
    device->GetId(&wstring);

    audio::prop_t prop;
    device->OpenPropertyStore(STGM_READ, &prop);

    prop_var_t adapter_friendly_name;
    prop_var_t device_friendly_name;
    prop_var_t device_desc;

    prop->GetValue(PKEY_Device_FriendlyName, &device_friendly_name.prop);
    prop->GetValue(PKEY_DeviceInterface_FriendlyName, &adapter_friendly_name.prop);
    prop->GetValue(PKEY_Device_DeviceDesc, &device_desc.prop);

    if (!(device_state & device_state_filter)) {
      return;
    }

    std::wstring device_state_string = L"Unknown"s;
    switch (device_state) {
      case DEVICE_STATE_ACTIVE:
        device_state_string = L"Active"s;
        break;
      case DEVICE_STATE_DISABLED:
        device_state_string = L"Disabled"s;
        break;
      case DEVICE_STATE_UNPLUGGED:
        device_state_string = L"Unplugged"s;
        break;
      case DEVICE_STATE_NOTPRESENT:
        device_state_string = L"Not present"s;
        break;
    }

    std::wstring current_format = L"Unknown"s;
    for (const auto &format : formats) {
      // This will fail for any format that's not the mix format for this device,
      // so we can take the first match as the current format to display.
      auto audio_client = make_audio_client(device, format);
      if (audio_client) {
        current_format = from_utf8(format.name);
        break;
      }
    }

    wprintf(
      L"===== Device =====\n"
      L"Device ID          : %ls\n"
      L"Device name        : %ls\n"
      L"Adapter name       : %ls\n"
      L"Device description : %ls\n"
      L"Device state       : %ls\n"
      L"Current format     : %ls\n\n",
      wstring.get(),