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CVTracker.h
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CVTracker.h
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/**
* @file
* @brief Track an object selected by the user
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2019 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* OpenShot Library (libopenshot) is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPENSHOT_CVTRACKER_H
#define OPENSHOT_CVTRACKER_H
#define int64 opencv_broken_int
#define uint64 opencv_broken_uint
#include <opencv2/opencv.hpp>
#include <opencv2/tracking.hpp>
#include <opencv2/core.hpp>
#undef uint64
#undef int64
#include <fstream>
#include "Clip.h"
#include "KeyFrame.h"
#include "Frame.h"
#include "Json.h"
#include "ProcessingController.h"
#include "protobuf_messages/trackerdata.pb.h"
#include "sort_filter/sort.hpp"
namespace openshot
{
// Store the tracked object information for one frame
struct FrameData{
size_t frame_id = -1;
float rotation = 0;
float x1 = -1;
float y1 = -1;
float x2 = -1;
float y2 = -1;
// Constructors
FrameData()
{}
FrameData( size_t _frame_id)
{frame_id = _frame_id;}
FrameData( size_t _frame_id , float _rotation, float _x1, float _y1, float _x2, float _y2)
{
frame_id = _frame_id;
rotation = _rotation;
x1 = _x1;
y1 = _y1;
x2 = _x2;
y2 = _y2;
}
};
/**
* @brief The tracker class will receive one bounding box provided by the user and then iterate over the clip frames
* to return the object position in all the frames.
*/
class CVTracker {
private:
std::map<size_t, FrameData> trackedDataById; // Save tracked data
std::string trackerType; // Name of the chosen tracker
cv::Ptr<cv::Tracker> tracker; // Pointer of the selected tracker
cv::Rect2d bbox; // Bounding box coords
SortTracker sort;
std::string protobuf_data_path; // Path to protobuf data file
uint progress; // Pre-processing effect progress
/// Will handle a Thread safely comutication between ClipProcessingJobs and the processing effect classes
ProcessingController *processingController;
bool json_interval;
size_t start;
size_t end;
bool error = false;
// Initialize the tracker
bool initTracker(cv::Mat &frame, size_t frameId);
// Update the object tracker according to frame
bool trackFrame(cv::Mat &frame, size_t frameId);
public:
// Constructor
CVTracker(std::string processInfoJson, ProcessingController &processingController);
// Set desirable tracker method
cv::Ptr<cv::Tracker> selectTracker(std::string trackerType);
// Track object in the hole clip or in a given interval
// If start, end and process_interval are passed as argument, clip will be processed in [start,end)
void trackClip(openshot::Clip& video, size_t _start=0, size_t _end=0, bool process_interval=false);
// Get tracked data for a given frame
FrameData GetTrackedData(size_t frameId);
/// Protobuf Save and Load methods
// Save protobuf file
bool SaveTrackedData();
// Add frame tracked data into protobuf message.
void AddFrameDataToProto(pb_tracker::Frame* pbFrameData, FrameData& fData);
/// Get and Set JSON methods
void SetJson(const std::string value); ///< Load JSON string into this object
void SetJsonValue(const Json::Value root); ///< Load Json::Value into this object
// Load protobuf file (ONLY FOR MAKE TEST)
bool _LoadTrackedData();
};
}
#endif