transboundary :: webcam

main.cpp

#include "ofMain.h"
#include "ofApp.h"

//========================================================================
int main( ){
	ofSetupOpenGL(1024,768,OF_WINDOW);			// <-------- setup the GL context

	// this kicks off the running of my app
	// can be OF_WINDOW or OF_FULLSCREEN
	// pass in width and height too:
	ofRunApp(new ofApp());

}

ofApp.cpp

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup(){
//    ofSetWindowPosition(2561, 0); //拡張ディスプレイ上でフルスクリーン
//    ofSetFullscreen(true);
//    ofHideCursor();
    
    //webcam
    camWidth = ofGetWidth() / 2;
    camHeight = ofGetWidth() / 16 * 9;;
    
    vector<ofVideoDevice> devices = cam1.listDevices();
    for(int i = 0; i < devices.size(); i++){
        if(devices[i].bAvailable){
            ofLogNotice() << devices[i].id << ": " << devices[i].deviceName;
        }else{
            ofLogNotice() << devices[i].id << ": " << devices[i].deviceName << " - unavailable ";
        }
    }
    
    ofEnableAlphaBlending();
    
    cam1.setVerbose(true);  //画面左側
    cam1.listDevices();
    cam1.setDeviceID(1);
    cam1.initGrabber(camWidth, camHeight);
    
    cam2.setVerbose(true);  //画面右側
    cam2.listDevices();
    cam2.setDeviceID(2);
    cam2.initGrabber(camWidth, camHeight);
}

//--------------------------------------------------------------
void ofApp::update(){
    ofSetWindowTitle(ofToString(ofToString(ofGetFrameRate()))); //ウィンドウの上のバーにフレームレートを表示
    
    cam1.update();
    cam2.update();
}

//--------------------------------------------------------------
void ofApp::draw(){
    ofBackground(0, 0, 0);
    cam1.draw(0, ofGetHeight() / 2 - camHeight / 2, camWidth, camHeight);
    cam2.draw(camWidth, ofGetHeight() / 2 - camHeight / 2, camWidth, camHeight);
}

ofApp.h

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp{

	public:
		void setup();
		void update();
		void draw();
        
    ofVideoGrabber cam1, cam2;  //webcamからの入力映像
    int camWidth, camHeight;		
};