text: /* This file is part of the Pangolin Project.
   * http://github.com/stevenlovegrove/Pangolin
   *
   * Copyright (c) 2014 Steven Lovegrove
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use,
   * copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following
   * conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #pragma once
  
  #include <pangolin/pangolin.h>
  #include <pangolin/video/video.h>
  
  namespace pangolin
  {
  
  enum MirrorOptions
  {
      MirrorOptionsNone = 0,
      MirrorOptionsFlipX,
      MirrorOptionsFlipY,
      MirrorOptionsFlipXY,
  };
  
  // Video class that debayers its video input using the given method.
  class PANGOLIN_EXPORT MirrorVideo :
      public VideoInterface,
      public VideoFilterInterface,
      public BufferAwareVideoInterface
  {
  public:
      MirrorVideo(std::unique_ptr<VideoInterface>& videoin, const std::vector<MirrorOptions>& flips);
      ~MirrorVideo();
  
      //! Implement VideoInput::Start()
      void Start();
  
      //! Implement VideoInput::Stop()
      void Stop();
  
      //! Implement VideoInput::SizeBytes()
      size_t SizeBytes() const;
  
      //! Implement VideoInput::Streams()
      const std::vector<StreamInfo>& Streams() const;
  
      //! Implement VideoInput::GrabNext()
      bool GrabNext( unsigned char* image, bool wait = true );
  
      //! Implement VideoInput::GrabNewest()
      bool GrabNewest( unsigned char* image, bool wait = true );
  
      //! Implement VideoFilterInterface method
      std::vector<VideoInterface*>& InputStreams();
  
      uint32_t AvailableFrames() const;
  
      bool DropNFrames(uint32_t n);
  
  protected:
      void Process(unsigned char* image, const unsigned char* buffer);
  
      std::unique_ptr<VideoInterface> videoin;
      std::vector<VideoInterface*> inputs;
      std::vector<StreamInfo> streams;
      std::vector<MirrorOptions> flips;
      size_t size_bytes;
      unsigned char* buffer;
  
      picojson::value device_properties;
      picojson::value frame_properties;
  };
  
  }
  