GP是一种3G流媒体的视频编码格式，主要是为了配合3G网络的高传输速度而开发的，也是目前手机中最为常见的一种视频格式-GP is a 3G streaming media video encoding formats, mainly in order to tie in with the 3G network and the development of high transmission speed and is currently the most common cell phone in a video format