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2020年6月6日2020年6月6日

Dance & Frame Difference. Draw by openFrameworks

[ Video ]

[ About ]
Dance & Frame Difference.

Video source -> https://www.pexels.com/ja-jp/video/2795744/

[ Source ]

#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) {};
	
	ofEasyCam cam;

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;
	
	cv::Mat view_mat;
	ofImage view_image;	
};

#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) {};

ofEasyCam cam;

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

cv::Mat view_mat;

ofImage view_image;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(255);
	ofEnableDepthTest();

	this->cap_size = cv::Size(1920, 1080);

	this->view_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->view_mat = cv::Mat(this->view_image.getHeight(), this->view_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->view_image.getPixels().getNumChannels()), this->view_image.getPixels().getData(), 0);

	this->number_of_frames = 0;

	auto file_path = "D:\\MP4\\Pexels Videos 2795744.mp4";
	this->cap.open(file_path);
	int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	int read_count = 0;
	for (int i = 0; i < frame_count; i++) {

		cv::Mat src, tmp;
		this->cap >> src;
		if (src.empty()) {

			continue;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list.push_back(tmp);
		read_count++;
	}
	this->number_of_frames += read_count;

	cout << number_of_frames << endl;
}

//--------------------------------------------------------------
void ofApp::update() {

	int blend_count = 4;
	int blend_span = 5;
	cv::Mat blend;
	for (int i = blend_count; i > 0; i--) {

		int frame_index = (ofGetFrameNum() + i * blend_span) % this->number_of_frames;
		if (i == blend_count) {

			this->frame_list[frame_index].copyTo(blend);
		}
		else {

			int prev_frame_index = (ofGetFrameNum() + (i - 1) *blend_span) % this->number_of_frames;
			cv::Mat tmp = this->frame_list[frame_index] - this->frame_list[prev_frame_index];
			tmp -= 255;
			blend += tmp;
		}
	}

	blend.copyTo(this->view_mat);
	this->view_image.update();
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();

	this->view_image.draw(this->view_image.getWidth() * -0.5, this->view_image.getHeight() * -0.5);
	
	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(255);

ofEnableDepthTest();

this->cap_size = cv::Size(1920, 1080);

this->view_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->view_mat = cv::Mat(this->view_image.getHeight(), this->view_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->view_image.getPixels().getNumChannels()), this->view_image.getPixels().getData(), 0);

this->number_of_frames = 0;

auto file_path = "D:\\MP4\\Pexels Videos 2795744.mp4";

this->cap.open(file_path);

int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);

int read_count = 0;

for (int i = 0; i < frame_count; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

read_count++;

}

this->number_of_frames += read_count;

cout << number_of_frames << endl;

}

//--------------------------------------------------------------

void ofApp::update() {

int blend_count = 4;

int blend_span = 5;

cv::Mat blend;

for (int i = blend_count; i > 0; i--) {

int frame_index = (ofGetFrameNum() + i * blend_span) % this->number_of_frames;

if (i == blend_count) {

this->frame_list[frame_index].copyTo(blend);

}

else {

int prev_frame_index = (ofGetFrameNum() + (i - 1) *blend_span) % this->number_of_frames;

cv::Mat tmp = this->frame_list[frame_index] - this->frame_list[prev_frame_index];

tmp -= 255;

blend += tmp;

}

blend.copyTo(this->view_mat);

this->view_image.update();

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

this->view_image.draw(this->view_image.getWidth() * -0.5, this->view_image.getHeight() * -0.5);

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200606

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2020年6月4日2020年6月4日

Mix 4 of my posts in a tiled form. Draw by openFrameworks

[ Video ]

[ About ]
Mix 4 of my posts in a tiled form.

[ Source ]

#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) {};

	ofEasyCam cam;

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<unique_ptr<ofImage>> rect_images;
	vector<cv::Rect> cv_rects;
};

#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) {};

ofEasyCam cam;

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

float rect_size;

vector<cv::Mat> rect_frames;

vector<unique_ptr<ofImage>> rect_images;

vector<cv::Rect> cv_rects;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap_size = cv::Size(360, 360);
	this->rect_size = 20;
	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) {

			auto image = make_unique<ofImage>();
			image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
			cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);
			cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

			this->rect_images.push_back(move(image));
			this->cv_rects.push_back(rect);
			this->rect_frames.push_back(frame);
		}
	}

	this->number_of_frames = 0;
	vector<string> file_path_list = {
		"openframeworks 2020-05-25.mp4",
		"openframeworks 2020-04-24.mp4", 
		"openframeworks 2020-05-13.mp4", 
		"openFrameworks 2020-05-21.mp4",
	};

	for (auto& file_path : file_path_list) {

		this->cap.open(file_path);
		int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
		for (int i = 0; i < frame_count; i++) {

			cv::Mat src, tmp;
			this->cap >> src;
			if (src.empty()) {

				continue;
			}

			cv::resize(src, tmp, this->cap_size);
			cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

			this->frame_list.push_back(tmp);
		}

		this->number_of_frames += frame_count;
	}
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofTranslate(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0);

	for (int k = 0; k < 2; k++) {

		for (int m = 0; m < 2; m++) {

			ofPushMatrix();
			ofTranslate(
				m * this->cap_size.width * 1.1 - this->cap_size.width * 0.55 + this->rect_size * 0.5,
				k * this->cap_size.height * 1.1 - this->cap_size.height * 0.55 - this->rect_size * 0.5,
				0);

			float noise_seed = ofRandom(1000);
			for (int i = 0; i < this->rect_frames.size(); i++) {

				int frame_index = ofMap(ofNoise(noise_seed, this->cv_rects[i].x * 0.001, this->cv_rects[i].y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, this->number_of_frames);

				cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rects[i]);
				tmp_box_image.copyTo(this->rect_frames[i]);

				this->rect_images[i]->update();
				this->rect_images[i]->getTexture().bind();
				ofSetColor(255);
				ofFill();
				ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0), this->rect_size, this->rect_size, 5);
				this->rect_images[i]->unbind();

				ofSetColor(39);
				ofNoFill();
				ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0), this->rect_size, this->rect_size, 5);

			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofDisableArbTex();

this->cap_size = cv::Size(360, 360);

this->rect_size = 20;

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) {

auto image = make_unique<ofImage>();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);

cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

this->rect_images.push_back(move(image));

this->cv_rects.push_back(rect);

this->rect_frames.push_back(frame);

}

this->number_of_frames = 0;

vector<string> file_path_list = {

"openframeworks 2020-05-25.mp4",

"openframeworks 2020-04-24.mp4",

"openframeworks 2020-05-13.mp4",

"openFrameworks 2020-05-21.mp4",

};

for (auto& file_path : file_path_list) {

this->cap.open(file_path);

int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < frame_count; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

}

this->number_of_frames += frame_count;

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofTranslate(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0);

for (int k = 0; k < 2; k++) {

for (int m = 0; m < 2; m++) {

ofPushMatrix();

ofTranslate(

m * this->cap_size.width * 1.1 - this->cap_size.width * 0.55 + this->rect_size * 0.5,

k * this->cap_size.height * 1.1 - this->cap_size.height * 0.55 - this->rect_size * 0.5,

0);

float noise_seed = ofRandom(1000);

for (int i = 0; i < this->rect_frames.size(); i++) {

int frame_index = ofMap(ofNoise(noise_seed, this->cv_rects[i].x * 0.001, this->cv_rects[i].y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, this->number_of_frames);

cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rects[i]);

tmp_box_image.copyTo(this->rect_frames[i]);

this->rect_images[i]->update();

this->rect_images[i]->getTexture().bind();

ofSetColor(255);

ofFill();

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0), this->rect_size, this->rect_size, 5);

this->rect_images[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, 0), this->rect_size, this->rect_size, 5);

}

ofPopMatrix();

}

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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2020年5月29日2020年5月29日

Visualize video data as 3D. Draw by openFrameworks

[ Video ]

[ About ]
Visualize video data as 3D.

[ Source ]

#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) {};

	ofEasyCam cam;

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	ofImage image;
	cv::Mat frame;
	vector<ofMesh> mesh_list;
};

#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) {};

ofEasyCam cam;

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

ofImage image;

cv::Mat frame;

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();
	ofSetLineWidth(3);

	this->cap.open("D:\\MP4\\video.mp4");
	this->cap_size = cv::Size(512, 288);

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

	this->number_of_frames = 25 * 27;
	for (int i = 0; i < this->number_of_frames; i++) {

		cv::Mat src, tmp;
		this->cap >> src;
		if (src.empty()) {

			return;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list.push_back(tmp);
	}

	for (int i = 0; i < 128; i++) {

		ofMesh mesh;
		mesh.addVertex(glm::vec3(-128, -72, 0));
		mesh.addVertex(glm::vec3(128, -72, 0));
		mesh.addVertex(glm::vec3(128, 72, 0));
		mesh.addVertex(glm::vec3(-128, 72, 0));

		mesh.addTexCoord(glm::vec3(0, 0, 0));
		mesh.addTexCoord(glm::vec3(512, 0, 0));
		mesh.addTexCoord(glm::vec3(512, 288, 0));
		mesh.addTexCoord(glm::vec3(0, 288, 0));

		mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);
		mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

		this->mesh_list.push_back(mesh);
	}
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateX(180);
	
	ofSetColor(255);

	int i = 0;
	for (auto& mesh : this->mesh_list) {

		auto location = glm::vec3(0, 0, ofMap(i, 0, 128, -200, 200));
		int n = (i + ofGetFrameNum()) % this->number_of_frames;
		this->frame_list[n].copyTo(this->frame);
		this->image.update();

		ofPushMatrix();
		ofTranslate(location);

		this->image.bind();
		mesh.draw();
		this->image.unbind();

		ofPopMatrix();

		i++;
	}

	ofNoFill();
	ofSetColor(39);
	ofDrawBox(0, 0, 0, 256, 144, 400);


	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofSetLineWidth(3);

this->cap.open("D:\\MP4\\video.mp4");

this->cap_size = cv::Size(512, 288);

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

this->number_of_frames = 25 * 27;

for (int i = 0; i < this->number_of_frames; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

return;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

}

for (int i = 0; i < 128; i++) {

ofMesh mesh;

mesh.addVertex(glm::vec3(-128, -72, 0));

mesh.addVertex(glm::vec3(128, -72, 0));

mesh.addVertex(glm::vec3(128, 72, 0));

mesh.addVertex(glm::vec3(-128, 72, 0));

mesh.addTexCoord(glm::vec3(0, 0, 0));

mesh.addTexCoord(glm::vec3(512, 0, 0));

mesh.addTexCoord(glm::vec3(512, 288, 0));

mesh.addTexCoord(glm::vec3(0, 288, 0));

mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);

mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

this->mesh_list.push_back(mesh);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(255);

int i = 0;

for (auto& mesh : this->mesh_list) {

auto location = glm::vec3(0, 0, ofMap(i, 0, 128, -200, 200));

int n = (i + ofGetFrameNum()) % this->number_of_frames;

this->frame_list[n].copyTo(this->frame);

this->image.update();

ofPushMatrix();

ofTranslate(location);

this->image.bind();

mesh.draw();

this->image.unbind();

ofPopMatrix();

i++;

}

ofNoFill();

ofSetColor(39);

ofDrawBox(0, 0, 0, 256, 144, 400);

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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