(Tips) ffmpeg

http://www.ffmpeg.org/index.html

std::string ffmpeg_path = "C:\\fmpeg.exe ", directory = "";
void saveSequential(std::string filename, Image *movie, int movie_size)
{
	std::stringstream command;
	char buf[256];
	for(int i=0; i<movie_size; i++) {
		memset(buf, 0, 256);
		sprintf(buf, "snap%04d.png\0", i+1);
		movie[i]->save(directory+"/ScreenShots/"+buf);
	}
	command << ffmpeg_path << " -r 60 -y -i cap\\cap%04d.png -vcodec msmpeg4 " << filename;
	const char *lpArg = command.str().c_str();
	PROCESS_INFORMATION pi;
	STARTUPINFO si;
	ZeroMemory(&si,sizeof(si));
	si.cb=sizeof(si);
	CreateProcess(NULL,(LPTSTR)lpArg,NULL,NULL,FALSE,NORMAL_PRIORITY_CLASS,NULL,NULL,&si, &pi);
	CloseHandle(pi.hThread);
	WaitForSingleObject(pi.hProcess,INFINITE);
	CloseHandle(pi.hProcess);
	clear();
	saved = true;
	return *this;
}