Method getNumDevices

src/libfreenect2.cpp:573–583

  }

  int getNumDevices()
  {
    if (!initialized)
      return 0;

    if(!has_device_enumeration_)
    {
      enumerateDevices();
    }
    return enumerated_devices_.size();
  }

  Freenect2Device *openDevice(int idx, const PacketPipeline *factory, bool attempting_reset);
};