用AES算法对一段视频进行加密 用软件分别提取加密前视频和加密后视频的PSI信息.-AES algorithm to encrypt a video PSI information were extracted from the video after the pre-encrypted video and encryption software.

I帧的提出，提取的是从h.264流程中的运动帧，并通过AES进行加密(I frame proposed, extracted from the h.264 process in the motion frame, and encrypted by AES)