camera_list_wrapper.hpp

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// Copyright 2020 Apex.AI, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef SPINNAKER_CAMERA_DRIVER__CAMERA_LIST_WRAPPER_HPP_
#define SPINNAKER_CAMERA_DRIVER__CAMERA_LIST_WRAPPER_HPP_
 
#ifndef DOXYGEN_SKIP
#include <spinnaker/Spinnaker.h>
#endif
 
#include <sensor_msgs/msg/image.hpp>
#include <spinnaker_camera_driver/camera_wrapper.hpp>
#include <spinnaker_camera_driver/visibility_control.hpp>
 
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
#include <functional>
 
namespace autoware
{
namespace drivers
{
namespace camera
{
namespace spinnaker
{
 
class SPINNAKER_CAMERA_PUBLIC CameraListWrapper
{
public:
  explicit CameraListWrapper(
    Spinnaker::CameraList camera_list,
    const CameraSettings & camera_settings);
 
  explicit CameraListWrapper(
    Spinnaker::CameraList camera_list,
    const std::vector<CameraSettings> & camera_settings);
 
  virtual ~CameraListWrapper();
 
  // Satisfy the rule of all or nothing: we need a custom destructor,
  // so we need to define all constructors.
  // We don't expect this class to be coppied over, so all of these are deleted.
  CameraListWrapper(const CameraListWrapper &) = delete;
  CameraListWrapper & operator=(const CameraListWrapper &) = delete;
 
  // It's still ok to move the camera list.
  CameraListWrapper(CameraListWrapper &&) = default;
  CameraListWrapper & operator=(CameraListWrapper &&) = default;
 
  void start_capturing();
 
  void stop_capturing();
 
  std::unique_ptr<sensor_msgs::msg::Image> retreive_image_from_camera(
    const std::uint32_t camera_index) const;
 
  inline std::size_t get_number_of_cameras() const {return m_cameras.size();}
 
  void set_image_callback(CameraWrapper::ImageCallbackFunction callback);
 
private:
  Spinnaker::CameraList m_camera_list{};
  std::vector<CameraWrapper> m_cameras{};
};
 
}  //  namespace spinnaker
}  //  namespace camera
}  //  namespace drivers
}  //  namespace autoware
 
#endif  // SPINNAKER_CAMERA_DRIVER__CAMERA_LIST_WRAPPER_HPP_