fixed

build/CMakeFiles/app0.dir/CXX.includecache

@@ -11,6 +11,10 @@ opencv2/opencv.hpp
 /home/zara/WORKSPACE/CPP/app0/opencv2/opencv.hpp
 iostream
 -
+time.h
+-
+fstream
+-
 
 /usr/include/opencv4/opencv2/calib3d.hpp
 opencv2/core.hpp

main.cpp

@@ -2,23 +2,52 @@
 
 #include <iostream>
 
-int main(){
-    cv::VideoCapture cap(0);
-    std::cout<<"isdfjodjfio"<<std::endl;
-    cv::VideoWriter writer("app0.mp4",cv::VideoWriter::fourcc('M','P','4','V'),30,cv::Size(1280,720));
-    cv::Mat  image;
-    int i = 0;
-    while (cap.read(image))
+#include <time.h>
+
+#include <fstream>
+
+void reMap(cv::Mat src, cv::Mat dst, cv::Mat gray, cv::Mat hist)
+{
+    for (int i = 0; i < src.rows * src.cols; i++)
     {
-        cv::imshow("default",image);
-        writer.write(image);
-        if(cv::waitKey(20) == 'q'){
-            break;
+        if (gray.data[i] == 0)
+        {
+            dst.data[i * 3] = 0;
+            dst.data[i * 3 + 1] = 0;
+            dst.data[i * 3 + 2] = 0;
         }
-        if(i++>100){
-            break;
+        else
+        {
+            dst.data[i * 3] = src.data[i * 3] * hist.data[i] / gray.data[i];
+            dst.data[i * 3 + 1] = src.data[i * 3 + 1] * hist.data[i] / gray.data[i];
+            dst.data[i * 3 + 2] = src.data[i * 3 + 2] * hist.data[i] / gray.data[i];
         }
-        std::cout<<"i = "<<i<<std::endl;
+    }
+}
+
+int main()
+{
+    cv::VideoCapture cap;
+    cap.open("/home/zara/让子弹飞.flv");
+
+    cv::VideoWriter writer("app0.mp4", cv::VideoWriter::fourcc('m', 'p', '4', 'v'), 30, cv::Size(int(cap.get(cv::VideoCaptureProperties::CAP_PROP_FRAME_WIDTH)), int(cap.get(cv::VideoCaptureProperties::CAP_PROP_FRAME_HEIGHT))));
+    cv::Mat image;
+    cv::Mat gray;
+    cv::Mat hist;
+    cv::Mat dst(int(cap.get(4)),int(cap.get(3)),CV_8UC3);
+    dst.data = (unsigned char *)malloc(int(cap.get(3) * cap.get(4)) * 3);
+
+    while (cap.read(image))
+    {      
+        cv::cvtColor(image, gray, cv::COLOR_RGB2GRAY);
+        cv::equalizeHist(gray, hist);
+        reMap(image, dst, gray, hist);
+        cv::imshow("default",dst);
+        writer.write(dst);
+        if (cv::waitKey(2) == 'q')
+        {
+            break;
+        }    
     }
     writer.release();
     cap.release();