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Day 12 Bread
動画から異なるフレームの画像を組み合わせて一枚の絵に。
Combine images of different frames from a video to a picture.
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#pragma once #include "ofMain.h" #include "opencv2/opencv.hpp" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; cv::VideoCapture cap; cv::Size cap_size; int number_of_frames; vector<cv::Mat> frames; float rect_size; vector<cv::Mat> rect_frames; vector<ofImage*> rect_images; vector<cv::Rect> cv_rects; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofBackground(239); ofSetWindowTitle("Insta"); ofSetFrameRate(30); this->cap.open("D:\\video\\bread.mp4"); this->cap_size = cv::Size(1280, 720); this->rect_size = 40; for (int x = 0; x < this->cap_size.width; x += this->rect_size) { for (int y = 0; y < this->cap_size.height; y += this->rect_size) { ofImage* image = new ofImage(); image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR); this->rect_images.push_back(image); cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0); this->rect_frames.push_back(frame); cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size); this->cv_rects.push_back(rect); } } cap.set(CV_CAP_PROP_POS_FRAMES, 600); this->number_of_frames = 600; for (int i = 0; i < this->number_of_frames; i++) { cv::Mat src, frame; this->cap >> src; if (src.empty()) { return; } cv::resize(src, frame, this->cap_size); cv::cvtColor(frame, frame, CV_BGR2RGB); this->frames.push_back(frame); } } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->rect_images.size(); i++) { int frames_index = ofMap(ofNoise(this->cv_rects[i].x * 0.0005, this->cv_rects[i].y * 0.0005, ofGetFrameNum() * 0.008), 0, 1, 0, this->number_of_frames); cv::Mat tmp_box_image(this->frames[frames_index], this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); this->rect_images[i]->update(); } } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->rect_images.size(); i++) { this->rect_images[i]->draw(this->cv_rects[i].x, this->cv_rects[i].y); } } //======================================================================== int main() { ofSetupOpenGL(1280, 720, OF_WINDOW); ofRunApp(new ofApp()); } |