itkFrameDifferenceVideoFilter.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  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 itkFrameDifferenceVideoFilter_h
#define itkFrameDifferenceVideoFilter_h
 
#include "itkVideoToVideoFilter.h"
 
namespace itk
{

template <typename TInputVideoStream, typename TOutputVideoStream>
class ITK_TEMPLATE_EXPORT FrameDifferenceVideoFilter : public VideoToVideoFilter<TInputVideoStream, TOutputVideoStream>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(FrameDifferenceVideoFilter);

  using InputVideoStreamType = TInputVideoStream;
  using OutputVideoStreamType = TOutputVideoStream;
  using Self = FrameDifferenceVideoFilter<InputVideoStreamType, OutputVideoStreamType>;
  using Superclass = VideoToVideoFilter<InputVideoStreamType, OutputVideoStreamType>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
  using ConstWeakPointer = WeakPointer<const Self>;
 
  using InputFrameType = typename TInputVideoStream::FrameType;
  using InputPixelType = typename InputFrameType::PixelType;
  using InputFrameSpatialRegionType = typename InputFrameType::RegionType;
  using OutputFrameType = typename TOutputVideoStream::FrameType;
  using OutputPixelType = typename OutputFrameType::PixelType;
  using OutputFrameSpatialRegionType = typename OutputFrameType::RegionType;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(FrameDifferenceVideoFilter);

  void
  SetFrameOffset(SizeValueType numFrames);
  SizeValueType
  GetFrameOffset();
 
protected:
  FrameDifferenceVideoFilter();
  ~FrameDifferenceVideoFilter() override = default;

  void
  PrintSelf(std::ostream & os, Indent indent) const override;

  void
  ThreadedGenerateData(const OutputFrameSpatialRegionType & outputRegionForThread, int threadId) override;
 
private:
}; // end class FrameDifferenceVideoFilter
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkFrameDifferenceVideoFilter.hxx"
#endif
 
#endif