keyframer.h

// Copyright (c) 2010-2014, The Video Segmentation Project
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// ---

#ifndef FVS_KEYFRAMER_H__
#define FVS_KEYFRAMER_H__

#include "face_video_segment.pb.h"

// std
#include <list>

// sfl
#include <sfl/sequence_face_landmarks.h>

// OpenCV
#include <opencv2/core.hpp>

namespace fvs {

    class Keyframer
    {
    public:

        struct Keyframe
        {
            int id; 
            cv::Point3f euler_angles;   
        };

        struct FaceData
        {
            std::list<Keyframe> keyframes;
            std::list<std::vector<cv::Point>> history;
            int frame_updated_ind;
        };

        Keyframer(int start_frame = 10, int stability_range = 5);

        void addFrame(const sfl::Frame& sfl_frame, Frame& fvs_frame);

    private:
        bool addFace(const sfl::Face& sfl_face, Face& fvs_face);

    private:
        //std::list<Keyframe> m_keyframes;
        //std::list<std::vector<cv::Point>> m_history;
        std::map<int, FaceData> m_face_data_map;
        int m_start_frame;
        int m_stability_range;
        int m_frame_counter;
    };

}  // namespace fvs

#endif  // FVS_KEYFRAMER_H__