.. _program_listing_file_include_mapviz_video_writer.h:

Program Listing for File video_writer.h
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_mapviz_video_writer.h>` (``include/mapviz/video_writer.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // *****************************************************************************
   //
   // Copyright (c) 2017, Southwest Research Institute® (SwRI®)
   // All rights reserved.
   //
   // Redistribution and use in source and binary forms, with or without
   // modification, are permitted provided that the following conditions are met:
   //     * Redistributions of source code must retain the above copyright
   //       notice, this list of conditions and the following disclaimer.
   //     * Redistributions in binary form must reproduce the above copyright
   //       notice, this list of conditions and the following disclaimer in the
   //       documentation and/or other materials provided with the distribution.
   //     * Neither the name of Southwest Research Institute® (SwRI®) nor the
   //       names of its contributors may be used to endorse or promote products
   //       derived from this software without specific prior written permission.
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   // ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
   // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   //
   // *****************************************************************************
   
   #ifndef MAPVIZ__VIDEO_WRITER_H_
   #define MAPVIZ__VIDEO_WRITER_H_
   
   #include <QObject>
   #include <QMutex>
   #include <QImage>
   
   #include <memory>
   #include <string>
   
   #ifndef Q_MOC_RUN
   #include <opencv2/highgui/highgui.hpp>
   #endif
   
   namespace mapviz
   {
   class VideoWriter : public QObject
   {
     Q_OBJECT
   
   public:
     VideoWriter() :
         video_mutex_(QMutex::Recursive)
     {}
   
     bool initializeWriter(const std::string& directory, int width, int height);
     bool isRecording();
     void stop();
   
   public Q_SLOTS:
     void processFrame(QImage frame);
   
   private:
     int height_;
     int width_;
     QMutex video_mutex_;
     std::shared_ptr<cv::VideoWriter> video_writer_;
   };
   }  // namespace mapviz
   
   #endif  // MAPVIZ__VIDEO_WRITER_H_