用OpenCV调整视频大小

用OpenCV调整视频大小// videoProcess.cpp : 定义控制台应用程序的入口点。
//#include"stdafx.h"
#include <stdio.h>
#include <cv.h>
#include <highgui.h> int main（int argc, char *argv[]）
{
CvCapture* capture = cvCaptureFromAVI（"D:\video\sunglass\day\x12.avi"）;  IplImage* frame = 0;  int isColor = 1;
int fps = 25; // or 25
CvVideoWriter *writer = cvCreateVideoWriter（"D:\video\sunglass\day\xx12.avi",CV_FOURCC（"X","V","I","D"）,fps,cvSize（640,480）,isColor）;   cvNamedWindow（ "vivi"）;
//读取和显示
while（1）
{
frame = cvQueryFrame（capture）; //获取一帧图片
if（frame == NULL）
break;   CvSize dstSize = cvSize（frame->width * 2, frame->height * 2）;
IplImage *dst = cvCreateImage（dstSize, frame->depth, frame->nChannels）; cvResize（ frame, dst, CV_INTER_LINEAR ）;
cvShowImage（ "vivi", dst ）; //将其显示
char key = cvWaitKey（10）;

cvWriteFrame（writer, dst）;
frame = NULL;
cvReleaseImage（&dst）;
}  cvReleaseVideoWriter（&writer）;
cvDestroyWindow（"vivi"）;  return 0;
} --------------------------------------分割线 --------------------------------------Ubuntu Linux下安装OpenCV2.4.1所需包 http://www.linuxidc.com/Linux/2012-08/68184.htmUbuntu 12.04 安装 OpenCV2.4.2 http://www.linuxidc.com/Linux/2012-09/70158.htmCentOS下OpenCV无法读取视频文件 http://www.linuxidc.com/Linux/2011-07/39295.htmUbuntu 12.04下安装OpenCV 2.4.5总结 http://www.linuxidc.com/Linux/2013-06/86704.htmUbuntu 10.04中安装OpenCv2.1九步曲 http://www.linuxidc.com/Linux/2010-09/28678.htm基于QT和OpenCV的人脸识别系统 http://www.linuxidc.com/Linux/2011-11/47806.htm--------------------------------------分割线 --------------------------------------OpenCV的详细介绍：请点这里
OpenCV的下载地址：请点这里本文永久更新链接地址：http://www.linuxidc.com/Linux/2014-11/109158.htm