在屏幕上显示音量控制信息 调用Core Audio APIs 适应于vista win7-This sample uses the Core Audio APIs to implement an on-screen display that shows volume changes to the output stream that plays through the default audio-rendering endpoint device. The on-screen display a

能够将avi视频流文件读取并存储在设定的文件目录里。-Avi video stream file to be read and stored in the file directory set.

1、从视频流中图片的处理 2、视频中音频的处理 3、压缩和解压视频流-1, handle 2 pictures the video stream, the video audio processing 3, compression and decompression of video streams