videoConver.cpp

//
//  videoConver.cpp
//  LearningOpenCV
//
//  Created by YourtionGuo on 7/28/16.
//  Copyright © 2016 Yourtion. All rights reserved.
//

#include <iostream>
#include <cv.h>
#include <highgui.h>

int main(int argc, const char * argv[]) {
    CvCapture* capture = cvCreateFileCapture( argv[1] );
    if (!capture) return -1;
    
    IplImage* bgr_frame = cvQueryFrame( capture );
    double fps = cvGetCaptureProperty( capture ,  CV_CAP_PROP_FPS );
    CvSize size = cvSize(
        (int)cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH),
        (int)cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT)
    );
    CvVideoWriter* writer = cvCreateVideoWriter( argv[2], CV_FOURCC('M', 'J', 'P', 'G'), fps, size);
    IplImage* logpolar_frame = cvCreateImage(size, IPL_DEPTH_8U, 3);
    
    while ( (bgr_frame = cvQueryFrame(capture)) != NULL ) {
        cvLogPolar(bgr_frame, logpolar_frame,
                   cvPoint2D32f(bgr_frame->width/2, bgr_frame->height/2),
                   40,
                   CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS );
        cvWriteFrame(writer, logpolar_frame);
    }
    cvReleaseVideoWriter( &writer );
    cvReleaseImage( &logpolar_frame );
    cvReleaseCapture( &capture );
    return 0;
}