从视频中提取关键帧，采用贪心算法和堆排序来处理视频中的大量帧信息。-Extracted from the video key frame, the use of greedy algorithm and HEAPSORT to deal with a large number of frames of video information.

This paper describes an video processing method.

基于QT框架的一个音乐播放器，已经编译成功，可以在QT 上进行运行。-Base a greedy based on Qt framework based on Qt framework of a music player, has compiled successfully, can be run on the Qt.