由于在Windows2000下右键点击RIFF (*.avi,*.wav) 类型的文件，在摘要里没有该文件的具体信息，编了一个小程序，用来显示该类型文件的信息。具体信息主要包含视频流和音频流信息。视频流信息主要有:(1)Total frames (2)Frame rate (3)Codec (4)视频的宽度和高度等。音频信息主要有:(1)音频的格式 (2)单声道还是立体声 (3)采样频率等。-Since under Windows2000 right-click RIFF (*. avi,*. wav) file types, in summary there are no specific information of the file, compile a small program used to display the type of file. Specific information consists mainly of video stream and audio stream information. Video stream information mainly: (1) Total frames (2) Frame rate (3) Codec (4) video width and height. Audio information are: (1) audio format (2), mono or stereo (3) the sampling frequency.