利用JMF做的视频采集和存储，但是存储的是媒体流不能播放，是二进制信息，采集时可以看到采集的效果，可以做为参考供大家研究继续对采集的视频流进行编码和传输-Use JMF to do video capture and storage, but storage of the media stream can not play, is the binary information, see the collection can capture the effect can be used as re