Fixed codacy review warnings

Author: BrennoCaldato

src/CVObjectDetection.cpp

@@ -38,6 +38,8 @@ using google::protobuf::util::TimeUtil;
 CVObjectDetection::CVObjectDetection(std::string processInfoJson, ProcessingController &processingController)
 : processingController(&processingController), processingDevice("CPU"){
     SetJson(processInfoJson);
+    confThreshold = 0.5;
+    nmsThreshold = 0.1;
 }
 
 void CVObjectDetection::setProcessingDevice(){
@@ -69,17 +71,14 @@ void CVObjectDetection::detectObjectsClip(openshot::Clip &video, size_t _start,
     std::string line;
     while (std::getline(ifs, line)) classNames.push_back(line);
 
-    confThreshold = 0.5;
-    nmsThreshold = 0.1;
-
     // Load the network
     if(classesFile == "" || modelConfiguration == "" || modelWeights == "")
         return;
     net = cv::dnn::readNetFromDarknet(modelConfiguration, modelWeights);
     setProcessingDevice();
 
     size_t frame_number;
-    if(!process_interval || end == 0 || end-start <= 0){
+    if(!process_interval || end == 0 || end-start == 0){
         // Get total number of frames in video
         start = video.Start() * video.Reader()->info.fps.ToInt();
         end = video.End() * video.Reader()->info.fps.ToInt();

src/CVStabilization.cpp

@@ -39,6 +39,8 @@ using google::protobuf::util::TimeUtil;
 CVStabilization::CVStabilization(std::string processInfoJson, ProcessingController &processingController)
 : processingController(&processingController){
     SetJson(processInfoJson);
+    start = 0;
+    end = 0;
 }
 
 // Process clip and store necessary stabilization data
@@ -58,7 +60,7 @@ void CVStabilization::stabilizeClip(openshot::Clip& video, size_t _start, size_t
     cv::Size readerDims(video.Reader()->info.width, video.Reader()->info.height);
 
     size_t frame_number;
-    if(!process_interval || end == 0 || end-start <= 0){
+    if(!process_interval || end == 0 || end-start == 0){
         // Get total number of frames in video
         start = video.Start() * video.Reader()->info.fps.ToInt();
         end = video.End() * video.Reader()->info.fps.ToInt();
@@ -230,7 +232,7 @@ std::map<size_t,CamTrajectory> CVStabilization::SmoothTrajectory(std::vector <Ca
         int count = 0;
 
         for(int j=-smoothingWindow; j <= smoothingWindow; j++) {
-            if(i+j >= 0 && i+j < trajectory.size()) {
+            if(i+j < trajectory.size()) {
                 sum_x += trajectory[i+j].x;
                 sum_y += trajectory[i+j].y;
                 sum_a += trajectory[i+j].a;

src/CVTracker.cpp

@@ -40,6 +40,8 @@ using google::protobuf::util::TimeUtil;
 CVTracker::CVTracker(std::string processInfoJson, ProcessingController &processingController)
 : processingController(&processingController), json_interval(false){
     SetJson(processInfoJson);
+    start = 0;
+    end = 0;
 }
 
 // Set desirable tracker method

src/sort_filter/Hungarian.cpp

@@ -192,10 +192,9 @@ void HungarianAlgorithm::buildassignmentvector(
 	int nOfRows,
 	int nOfColumns)
 {
-	int row, col;
 
-	for (row = 0; row < nOfRows; row++)
-		for (col = 0; col < nOfColumns; col++)
+	for (int row = 0; row < nOfRows; row++)
+		for (int col = 0; col < nOfColumns; col++)
 			if (starMatrix[row + nOfRows * col])
 			{
 #ifdef ONE_INDEXING

src/sort_filter/sort.cpp

@@ -7,6 +7,7 @@ SortTracker::SortTracker(int max_age, int min_hits)
 {
 	_min_hits = min_hits;
 	_max_age = max_age;
+	alive_tracker = true; 
 }
 
 // Computes IOU between two bounding boxes
@@ -154,11 +155,10 @@ void SortTracker::update(vector<cv::Rect> detections_cv, int frame_count, double
 			matchedPairs.push_back(cv::Point(i, assignment[i]));
 	}
 
-	int detIdx, trkIdx;
 	for (unsigned int i = 0; i < matchedPairs.size(); i++)
 	{
-		trkIdx = matchedPairs[i].x;
-		detIdx = matchedPairs[i].y;
+		int trkIdx = matchedPairs[i].x;
+		int detIdx = matchedPairs[i].y;
 		trackers[trkIdx].update(detections[detIdx].box);
 		trackers[trkIdx].classId = detections[detIdx].classId;
 		trackers[trkIdx].confidence = detections[detIdx].confidence;

src/sort_filter/sort.hpp

@@ -22,6 +22,8 @@ typedef struct TrackingBox
 	int classId = 0;
 	int id = 0;
 	cv::Rect_<float> box = cv::Rect_<float>(0.0, 0.0, 0.0, 0.0);
+	TrackingBox() {} 
+	TrackingBox(int _frame, float _confidence, int _classId, int _id) : frame(_frame), confidence(_confidence), classId(_classId), id(_id) {}
 } TrackingBox;
 
 class SortTracker