itkVideoToVideoFilter.h

Go to the documentation of this file.

/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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.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 itkVideoToVideoFilter_h
#define itkVideoToVideoFilter_h

#include "itkVideoSource.h"
#include "itkVideoStream.h"

namespace itk
{

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

  using InputVideoStreamType = TInputVideoStream;
  using OutputVideoStreamType = TOutputVideoStream;
  using Self = VideoToVideoFilter< InputVideoStreamType,
                              OutputVideoStreamType >;
  using Superclass = VideoSource< OutputVideoStreamType >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;
  using ConstWeakPointer = WeakPointer< const Self >;

  using OutputFrameType = typename Superclass::OutputFrameType;
  using OutputFrameSpatialRegionType = typename Superclass::OutputFrameSpatialRegionType;

  using InputFrameType = typename InputVideoStreamType::FrameType;
  using InputFrameSpatialRegionType = typename InputVideoStreamType::SpatialRegionType;
  using InputFrameIndexType = typename InputVideoStreamType::IndexType;
  using InputFramePixelType = typename InputVideoStreamType::PixelType;
  using InputFramePointType = typename InputVideoStreamType::PointType;
  using InputFrameSpacingType = typename InputVideoStreamType::SpacingType;
  using InputFrameSizeType = typename InputVideoStreamType::SizeType;
  using InputFrameDirectionType = typename InputVideoStreamType::DirectionType;

  itkNewMacro(Self);

  itkTypeMacro(VideoToVideoFilter, VideoSource);

  using Superclass::SetInput;
  virtual void SetInput( const InputVideoStreamType* videoStream);

  virtual void SetInput( unsigned int idx, const InputVideoStreamType* videoStream);

  const InputVideoStreamType* GetInput() const;

  const InputVideoStreamType* GetInput(unsigned int idx) const;

  void UpdateOutputInformation() override;

protected:

  InputVideoStreamType* GetInput();

  InputVideoStreamType* GetInput(unsigned int idx);

  void GenerateOutputRequestedRegion(DataObject* output) override;

  void GenerateInputRequestedRegion() override;

  void BeforeTemporalStreamingGenerateData() override;

  VideoToVideoFilter();
  ~VideoToVideoFilter() override = default;

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

private:

};  // end class VideoToVideoFilter

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVideoToVideoFilter.hxx"
#endif

#endif