chap4

从立体声的wave文件中分别提出左声道和右声道的声音数据(Asked the left and right channels of sound data from the stereo the wave file)

rgb顺序的视频图片转换为bgr格式的方法，曾经困扰了我一阵子(rgb sequence of video images converted to bgr format, had bothered me for a while)

说明：  移动侦测技术的设计与实现，包括移动侦测的原理和功能实现。(Motion detection technology, design and implementation, including the principle of motion detection and functional implementation.)

音乐播放,可以实现简单的音乐播放功能，可以找到音乐文件进行添加(music play)

多媒体定时类，精度1ms，调用函数均已封装，可以直接使用，很方便(Multimedia regular classes, accuracy 1ms, call functions are packaged, can be used directly, it is convenient)

说明：  PCM转g.729的源码 用vs2005编译通过(PCM to G.729 source code with VS2005 compiler through)

一个基于ffmpeg的视频播放器示例，支持各种视频格式和编解码器(ffmpeg player)

说明：  本源程序代码示例了图像的变化,可以让读者对图像的编程有所了解!(The source code examples of the image changes, allowing readers to understand the programming image!)

单目摄像机标定，摄像机标定源代码程序，c++，opencv(single camera calibration，camera calibration, C++,opencv)

DirectSound 开发指南,作者：智慧的鱼,编辑：中华视频网.介绍DirectSound实用开发技巧和DirectSound开发高级技。(a document of directsound)