#include
#include
#include
IplImage?*ImageStitch（IplImage*?Image1IplImage*?Image2?int?xint?y）;
int?main（int?argc?char**?argv）
{?

	CvCapture*?capture1?=?cvCreateFileCapture（argv[1]）;
	CvCapture*?capture2?=?cvCreateFileCapture（argv[2]）;
	int?positionx?;
	int?positiony?;
	printf（“Please?input?the?display?position?format:point?xpoint?y.\n“）;
	int?inputcount?=?scanf（“%d%d“&positionx&positiony）;
	while（inputcount!=2）
	{
		fflush（stdin）;
		printf（“Warning:your?input?position?point?is?not?enough!\nPlease?check?the?input?format?or?other?questions?and?input?again.\n“）;
		inputcount?=?scanf（“%d%d“&positionx&positiony）;
	}
	if（positionx<0||positionx>384||positiony<0||positiony>384）
	{?
		printf（“Warning:your?input?position?point?is?beyond?the?available?display?range!\nThe?default?position?is?2020.\n“）;
		positionx?=?20;
		positiony?=?20;
	}
	IplImage*?frame1;
	IplImage*?frame2;
	IplImage*?frame;
	while（1）
	{
		frame1?=?cvQueryframe（capture1）;
		frame2?=?cvQueryframe（capture2）;
		frame?=?ImageStitch（frame1frame2positionxpositiony）;
		if（!frame1）?break;
		cvShowImage（“Picture?in?Picture“frame）;
		char?c?=?cvWaitKey（33）;
			if（c==27）?break;
		cvReleaseImage（&frame）;

	}
	fflush（stdin）;
	cvReleaseCapture（&capture1）;
	c