Load from Webcam
Get live feed from Webcam
/* * Author: Dimitrios Prodromou * office@robotas.at */ #include <stdlib.h> #include <stdio.h> #include <opencv/cv.h> #include <opencv/highgui.h> int main() { // A Simple Camera Capture Framework CvCapture* capture = cvCaptureFromCAM( 0 ); if( !capture ) { fprintf( stderr, "ERROR: capture is NULL \n" ); getchar(); return -1; } // Create a window in which the captured images will be presented cvNamedWindow( "mywindow", CV_WINDOW_AUTOSIZE ); // Show the image captured from the camera in the window and repeat while( 1 ) { // Get one frame IplImage* frame = cvQueryFrame( capture ); if( !frame ) { fprintf( stderr, "ERROR: frame is null...\n" ); getchar(); break; } cvShowImage( "mywindow", frame ); // Do not release the frame! //If ESC key pressed, Key=0x10001B under OpenCV 0.9.7(linux version), //remove higher bits using AND operator if( (cvWaitKey(10) & 255) == 27 ) break; } // Release the capture device housekeeping cvReleaseCapture( &capture ); cvDestroyWindow( "mywindow" ); return 0; }
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