video_writer.h

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#ifndef MAPVIZ_VIDEO_WRITER_H
#define MAPVIZ_VIDEO_WRITER_H

#include <QObject>
#include <QMutex>
#include <QImage>

#include <boost/shared_ptr.hpp>

#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_;
    boost::shared_ptr<cv::VideoWriter> video_writer_;
  };
}

#endif //MAPVIZ_VIDEO_WRITER_H