cvGetCaptureProperty

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#pragma comment(lib,"highgui.lib")
#pragma comment(lib,"cxcore.lib")
#pragma comment(lib,"cv.lib")
#pragma comment(lib,"ml.lib")
#pragma comment(lib,"cvaux.lib")
#pragma comment(lib,"cvcam.lib") 

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

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

int main()
{
    CvCapture *capture;
    IplImage *frame;
    char AviFileName[]="C:\DX90SDK\Samples\Media\highway.avi";
    capture = cvCaptureFromAVI(AviFileName);
    cvNamedWindow("AVI player",0);
cvQueryFrame(capture); // 在读取视频流信息前，要先执行此操作
int frameH    = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT);
int frameW    = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH);
int fps       = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);
int numFrames = (int) cvGetCaptureProperty(capture,  CV_CAP_PROP_FRAME_COUNT);
printf("frameH:%d,frameW:%d,fps:%d,numFrames:%dn",frameH,frameW,fps,numFrames);
	char c;

    while(true)
    {  //CVAPI(IplImage*) cvRetrieveFrame( CvCapture* capture );  
		//frame=cvRetrieveFrame(capture);
		//cvShowImage("AVI player",frame);
		//if(!cvGrabFrame(capture))//在这里,当文件播放完的时候 cvGrabFrame()会自动返回0
		// goto the_end;

		frame=cvQueryFrame(capture);
		cvShowImage("AVI player",frame);
		c=cvWaitKey(2);
		if(c=='q') break;
    }
the_end:
    cvReleaseCapture(&capture);
    cvDestroyWindow("AVI player");
	return 0;
}