纠错以后的AVCap代码。 运行需要配置DX90，另需视频及音频输入齐全。-AVCap after correcting code. Need to configure to run DX90, and it takes another complete video and audio input.

amcap源码，可以使用，需要自己下载directshow安装，然后配置路径(Amcap source code, you can use, you need to download your own DirectShow installation, and then configure the path)