Video Networking

encodingTest.cpp

# include "highgui.h"
# include "cv.h"
# include <stdio.h>
# include <vector>
# include <string>

using namespace cv; 

int main( int argc, char** argv ) {

    Mat frame;
    vector<unsigned char> buffer; // Store each frame in this buffer
    string extension = ".jpg"; // Here you choose which extension you want (jpeg has compression)
    VideoCapture VidCap(0); // Start capturing from device 0

    if( !VidCap.isOpened() ) {
        printf( "ERROR: Device 0, was not opened successfully\n" );
        return 0;
    }

    VidCap >> frame; // Grab the first frame
 
    while( !frame.empty() ) {

        // Image Encoding already does compression for you!!
        if( !imencode( extension, frame, buffer ) ) {
            printf( "ERROR: Problem encoding image from Device 0\n" );
            return 0;
        }

        /* ----------------------

            Here you do your networking magic and
            send the buffer to computer B

           ---------------------- */
        
        imshow( "Logitech Webcam", frame );
        char c = waitKey( 33 );
        if( c == 27 ) break; // press esc to exit

        VidCap >> frame; // Grab the next frame
        buffer.clear(); // Flush the buffer
    }

    return 0;
}