#include <stdlib.h>

#include <stdio.h>

#include <math.h>

#include <cv.h>

#include <highgui.h>

#define NUM_FRAME 5591 //只處理前300幀，根據(jù)視頻幀數(shù)可修改





int frameH;

int frameW; 

int fps;

int numFrames;



void Video_to_image(char* filename)

{

	printf("------------- video to image ... ----------------\n");

	//初始化一個(gè)視頻文件捕捉器

	CvCapture* capture = cvCaptureFromAVI(filename);

	//獲取視頻信息

	cvQueryFrame(capture);

	frameH    = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT);

	frameW    = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH);

	fps       = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FPS);

	numFrames = (int) cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_COUNT);

	printf("\tvideo height : %d\n\tvideo width : %d\n\tfps : %d\n\tframe numbers : %d\n", frameH, frameW, fps, numFrames);

	//定義和初始化變量

	int i = 0;

	IplImage* img = 0;

	char image_name[13];

	

	cvNamedWindow( "mainWin", CV_WINDOW_AUTOSIZE );

	//讀取和顯示

	while(1) 

	{

		

		img = cvQueryFrame(capture); //獲取一幀圖片

		cvShowImage( "mainWin", img ); //將其顯示

		char key = cvWaitKey(20);

		

		sprintf(image_name, "%s%d%s", "image", ++i, ".bmp");//保存的圖片名

		

		cvSaveImage( image_name, img);   //保存一幀圖片

		

		if(i >=numFrames || i >= NUM_FRAME ) break;



	}

	cvReleaseCapture(&capture);

	cvDestroyWindow("mainWin");

}

void Image_to_video()

{

	int i = 0;

	IplImage* img = 0;

	char image_name[13];

	printf("------------- image to video ... ----------------\n");

	//初始化視頻編寫器，參數(shù)根據(jù)實(shí)際視頻文件修改

	CvVideoWriter *writer = 0;

	int isColor = 1;



	writer=cvCreateVideoWriter("out.avi",CV_FOURCC('X','V','I','D'),fps,cvSize(frameW,frameH),isColor);

	printf("\tvideo height : %d\n\tvideo width : %d\n\tfps : %d\n", frameH, frameW, fps);

	//創(chuàng)建窗口

	cvNamedWindow( "mainWin", CV_WINDOW_AUTOSIZE );

	while(i<NUM_FRAME)

	{

		sprintf(image_name, "%s%d%s", "image", ++i, ".bmp");

		img = cvLoadImage(image_name);

		if(!img)

		{

			printf("Could not load image file...\n");

			exit(0);

		}

		cvShowImage("mainWin", img);

		char key = cvWaitKey(20);

		cvWriteFrame(writer, img);

	}

	cvReleaseVideoWriter(&writer);

	cvDestroyWindow("mainWin");

}



int main(int argc, char *argv[])

{

	char filename[23] = "F:\\1_Xvid.avi";

	Video_to_image(filename); //視頻轉(zhuǎn)圖片

	Image_to_video();    //圖片轉(zhuǎn)視頻

	return 0;

}