#include <iostream>
#include <Windows.h>
#include "opencv2/highgui/highgui.hpp"
#include "opencv/cv.h"

/*#pragma comment(lib, "D:\\dls\\trunk\\dlf\\pc\\lib\\opencv_core249.lib")
#pragma comment(lib, "D:\\dls\\trunk\\dlf\\pc\\lib\\opencv_highgui249.lib")
#pragma comment(lib, "D:\\dls\\trunk\\dlf\\pc\\lib\\opencv_imgproc249.lib")*/

using namespace std;

int main(int iArgc, char **ppcArgv) {
	cvNamedWindow("Video Player");
	CvCapture *psCvCapture = NULL;

	if (2 != iArgc) {
		return 0;
	}
	else {
		psCvCapture = cvCreateFileCapture(ppcArgv[1]);
	}
	assert(NULL != psCvCapture);

	IplImage *psImageFrame = NULL;
	IplImage *psImageGray = NULL;
	IplImage *psImageScaled = cvCreateImage(cvSize(640, 480), IPL_DEPTH_8U, 1);
	char cKeyCode;


	while ((cKeyCode = cvWaitKey(40))) {
		if (cKeyCode == 27) { // ESC
			break;
		}
		//LARGE_INTEGER liStartTime = StartTime();
		psImageFrame = cvQueryFrame(psCvCapture);
		if (NULL == psImageFrame) {
			break;
		}
		psImageGray = cvCreateImage(cvGetSize(psImageFrame), psImageFrame->depth, 1);
		cvCvtColor(psImageFrame, psImageGray, CV_BGR2GRAY);
		cvResize(psImageGray, psImageScaled, CV_INTER_LINEAR);
		if (NULL == psImageScaled) {
			break;
		}
		cvShowImage("Video Player", psImageScaled);
	}
	//cvReleaseImage(&psImageFrame);
	cvReleaseCapture(&psCvCapture);
	cvReleaseImage(&psImageGray);
	cvReleaseImage(&psImageScaled);
	cvDestroyAllWindows();
	return 0;
}