C / C++ / MFC

<br />
CString csExecute;<br />
  csExecute="C://msys//home//ffmpeg4//ffmpeg.exe";//+ "ffmpeg -i Rahul.avi -s qcif fort.mpeg";<br />
  csExecute+= " ";<br />
  csExecute+="-i Rahul.avi -s qcif -o fort1.mpeg";<br />
  SECURITY_ATTRIBUTES secattr; <br />
  ZeroMemory(&secattr,sizeof(secattr));<br />
  secattr.nLength = sizeof(secattr);<br />
  secattr.bInheritHandle = TRUE;<br />
<br />
  HANDLE rPipe, wPipe;<br />
<br />
  //Create pipes to write and read data<br />
  CreatePipe(&rPipe,&wPipe,&secattr,0);<br />
  //<br />
  STARTUPINFO sInfo; <br />
  ZeroMemory(&sInfo,sizeof(sInfo));<br />
  PROCESS_INFORMATION pInfo; <br />
  ZeroMemory(&pInfo,sizeof(pInfo));<br />
  sInfo.cb=sizeof(sInfo);<br />
  sInfo.dwFlags=STARTF_USESTDHANDLES;<br />
  sInfo.hStdInput=NULL; <br />
  sInfo.hStdOutput=wPipe; <br />
  sInfo.hStdError=wPipe;<br />
  char command[1024]; <br />
  strcpy(command,csExecute.GetBuffer(csExecute.GetLength()));<br />
<br />
  //Create the process here.<br />
  CreateProcess(0, command,0,0,TRUE,<br />
          NORMAL_PRIORITY_CLASS|CREATE_NO_WINDOW,0,0,&sInfo,&pInfo);<br />
  CloseHandle(wPipe);<br />
<br />
  //now read the output pipe here.<br />
  char buf[100];<br />
  DWORD reDword; <br />
  CString m_csOutput,csTemp;<br />
  BOOL res;<br />
  do<br />
  {<br />
                  res=::ReadFile(rPipe,buf,100,&reDword,0);<br />
                  csTemp=buf;<br />
                  m_csOutput+=csTemp.Left(reDword);<br />
  }while(res);<br />
  AfxMessageBox(m_csOutput);<br />

<br />
"Rahul.avi I/O Error<br />
Usually that means that input file is truncated and/or corrupted "<br />