很有用的视屏提取软件，德国制造将avi格式视频分离成视频流和音频流，很好的学习资料，-Screen extraction software useful, Germany avi format video is separated into video and audio streams, and a good learning materials! ! ! !

x264（MeGUI）.将视频进行编码成H264格式-make the video to H264 format.

Profiles(parameters) for x264 encoder ,i.e fast baseline,good quality ,chk it out , 8 profiles files ,pass it to x264 encoder,very useful