轉載請註明:http://blog.csdn.net/ding977921830/article/details/50950927
//#include "stdAfx.h"
#include <opencv2/core/core.hpp>
#include <opencv2\highgui\highgui.hpp>
#include <iostream>
#include <direct.h>//for mk_dir
#include <io.h>//for _acess()
using namespace cv;
using namespace std;
int recursive_mkdir( char *dir );//創建多級目錄
int ImageToVideo(char* outDir,char* videoName,char* inputDir,int startFrame,int endFrame, int imgW,
int imgH,char* imgExt,double fps,int isColor,int fourcc);//圖片序列轉化爲視頻
int main(int argc, char** argv)
{
char* inputDir="F:\\論文視頻庫\\視頻幀庫\\Walking\\"; //一定要加上最後的兩個雙斜線,輸入視頻幀的目錄
char* videoName="Walking.avi"; //輸出的視頻名字
char* outDir="F:\\論文視頻庫\\視頻幀庫\\Walking\\"; //一定要加上最後的兩個雙斜線,輸出的視頻的目錄
int startFrame = 20; //含義:起始幀
int endFrame = 412; //含義:起始幀,結束幀
int imgW = 768; //含義:視頻幀的寬
int imgH = 576; //含義:視頻幀的高
char* imgExt = ".jpg"; //根據圖片的性質選擇.jpg,.bmp等類型,一定要注意jpg前面那個
//點,當時我缺了這個點,浪費了我一晚上的時間才找到問題
double fps=24; //幀率
int isColor=1; //顏色
int fourcc=CV_FOURCC('X','V','I','D'); //CV_FOURCC('X', 'V', 'I', 'D') 表示是XVID庫進行壓縮,壓縮爲MPEG4格式
//int frames = 0 ; //總幀數
IplImage *pImg=NULL;
char cur_fn[255]; //表示某張圖片的絕對路徑
char fullVideoName[255]; //輸出視頻的完整文件名:路徑+文件名
int frameCount = startFrame; //計算運行到第N幀
CvVideoWriter *pWriter=NULL;
CvSize size=cvSize(imgW,imgH);
//判斷輸入文件夾是否存在
if (_access(inputDir,0)==-1)
{
cout<<"the input directory does not exist!"<<endl;
return 0;
}
//判斷輸出文件夾是否創建 若沒有則創建;若爲NULL則默認當前工作目錄
//char fullVideoName[255];//輸出視頻的完整文件名:路徑+文件名
strcpy_s(fullVideoName,"");
if (outDir==NULL)
{
sprintf_s(fullVideoName,"%s",videoName);//把videoName打印成一個字符串保存在fullVideoName 中
}
else
{
if (_access(outDir,0)==-1)
{
recursive_mkdir(outDir);
}
sprintf_s(fullVideoName,"%s%s",outDir,videoName);//將字符串outDir和videoName連接起來,打印,保存在fullVideoName中
}
pWriter=cvCreateVideoWriter(videoName,fourcc,fps,size,isColor);//CREATE WRITER
while(startFrame<=endFrame)
{
strcpy_s(cur_fn,"");
sprintf_s(cur_fn,"%s%d%s",inputDir,startFrame,imgExt);//need to change
pImg=cvLoadImage(cur_fn,isColor);
if (!pImg)
{
std::cout<<"can't open an image file"<<std::endl;
// return frameCount;
}
Mat mtx(pImg); // IplImage格式轉換成Mat格式
namedWindow("MyWindow", CV_WINDOW_AUTOSIZE);
imshow("MyWindow", mtx);
cout<<"運行到第 "<< frameCount<<" 幀 ";
waitKey(10);
// destroyWindow("MyWindow");
cvWriteFrame(pWriter,pImg);
cvWaitKey(1);
std::cout<<"Write frame "<<startFrame<<std::endl;
startFrame++;
cvReleaseImage(&pImg);
frameCount++;
}
// cvReleaseVideoWriter(&pWriter);
rename(videoName,fullVideoName);//移動文件到指定文件夾
// return frameCount;
std::cout<<"total frames "<<frameCount<<" have been write to video."<<std::endl;
system("pause");
return 0;
}
//該函數借鑑了網上資料,自動創建多級目錄
int recursive_mkdir( char *dir )
{
//分解路徑名E:\\AA\\BB\\CC\\
//
std::string str = dir;
int index = 0;
int i = 0;
while(1)
{
std::string::size_type pos = str.find("\\",index);
std::string str1;
str1 = str.substr(0,pos);
if( pos != -1 && i > 0 )
{
if (_access(str1.c_str(),0)==-1)
{
_mkdir(str1.c_str());
}
}
if( pos==-1 )
{
break;
}
i ++;
index = pos+1;
}
return 0;
}
參考文獻: