先将MPEG视频解码成PPM文件序列，再由指定的序列号转成BMP文件，最后转成JPEG文件-first MPEG video decoder into PPM document sequence, designated by the sequence of BMP file conversion, the final conversion to JPEG files

Jpeg Encoder and decoder implementation

MPEG2解码转换器，多媒体作业，MFC程序，Mpeg2解码转换器是一个多媒体工具，用于将Mpeg文件解码成一组PPM帧文件，并且本工具也提供将PPM帧文件转换成JPEG文件的功能。-MPEG2 decoding converters, multi-media operation, MFC procedures, Mpeg2 decoder converter is a multi-media tools, used to decode Mpeg file into a PPM frame do

the key processing steps of the Baseline JPEG encoder and decoder. (Refer to the attached ITU-T Recommendation T.81 for detailed information.)