video_writer_unit2.h

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

#ifndef FACE_VIDEO_SEGMENT_VIDEO_WRITER_UNIT_2_H__
#define FACE_VIDEO_SEGMENT_VIDEO_WRITER_UNIT_2_H__

#include "base/base.h"
#include "video_framework/video_unit.h"

#include <opencv2/videoio.hpp>

namespace segmentation {

    struct VideoWriter2Options {
        std::string video_stream_name = "VideoStream";
        std::string segment_stream_name = "SegmentationStream";
        std::string landmarks_model_file = "";
        float output_scale = 1.0f;
    };

    class VideoWriterUnit2 : public video_framework::VideoUnit {
    public:
    public:
        VideoWriterUnit2(const VideoWriter2Options& options,
            const std::string& video_file);
        ~VideoWriterUnit2();

        VideoWriterUnit2(const VideoWriterUnit2&) = delete;
        VideoWriterUnit2& operator=(const VideoWriterUnit2&) = delete;

        virtual bool OpenStreams(video_framework::StreamSet* set);
        virtual void ProcessFrame(video_framework::FrameSetPtr input, std::list<video_framework::FrameSetPtr>* output);
        virtual bool PostProcess(std::list<video_framework::FrameSetPtr>* append);

    private:
        VideoWriter2Options options_;
        std::string video_file_;

        int video_stream_idx_;

        cv::VideoWriter writer_;
    };

}  // namespace segmentation

#endif  // FACE_VIDEO_SEGMENT_VIDEO_WRITER_UNIT_2_H__