从资源中提取QuickTime文件并将其转换为单独的文件

I have a resource file for a program, and i have determined that the resource file just a big string of files glued together whole, i know that the movies contained in the file are quicktime mov. Where can i find information on the quicktime header? and how can i determine the length of a file once i find it?I have a resource file for a program, and i hav