h263解码程序,详细,优化版本,可用,用于视频传输前的压缩-procedures, detailed, optimized version can be used for video transmission of compressed before

采用H263算法对视频进行加密和解密，可以在C环境下运行，也可以在CCS中實現-The H263 algorithm to encrypt and decrypt the video, you can run in the C environment, you can also run in the CCS