This source code was used from video load & display.
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int main() { VideoCapture capture("rhinos.avi"); Mat frame; //Set properties int askFileTypeBox = 0; //-1 is show box of codec int Color = 1; Size S = Size((int)capture.get(CV_CAP_PROP_FRAME_WIDTH), (int)capture.get(CV_CAP_PROP_FRAME_HEIGHT)); //make output video file VideoWriter outVideo; //save video file by origin paramers outVideo.open(".\\outVideo.avi", askFileTypeBox, capture.get(CV_CAP_PROP_FPS), S, Color); double fps = capture.get(CV_CAP_PROP_FPS); //check if (!capture.isOpened()) { printf("AVI file can not open.\n"); return 0; } //create window namedWindow("w"); while (1) { //grab frame from file & throw to Mat capture >> frame; if (frame.empty()) //Is video end? break; //processing example //Sobel(frame, frame, frame.depth(), 1, 0); //////////////////// //outVideo.write(frame); outVideo << frame; //display and delay imshow("w", frame); //delay by origin fps if (waitKey((1 / fps) * 1000) > 0) break; } return 0; }...