初步观察

Zoom for Mac 4.6.9解决了可怕的安全漏洞，删除了禁用库验证权利。

在同一版本中，虚拟网络摄像头应用 Snap Camera停止工作。

研究

我不熟悉您用于构建虚拟网络摄像头的特定 API，但看起来它涉及CoreMediaIO插件：

为 OS X 创建虚拟网络摄像头设备

> otool -L /Library/CoreMediaIO/Plug-Ins/DAL/SnapCamera.plugin/Contents/MacOS/SnapCamera
/Library/CoreMediaIO/Plug-Ins/DAL/SnapCamera.plugin/Contents/MacOS/SnapCamera:
    libSnapCamera.dylib (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 1452.23.0)
    /System/Library/Frameworks/CoreMedia.framework/Versions/A/CoreMedia (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/CoreMediaIO.framework/Versions/A/CoreMediaIO (compatibility version 1.0.0, current version 1.0.0)
    /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo (compatibility version 1.2.0, current version 1.5.0)
    /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (compatibility version 300.0.0, current version 1452.23.0)
    /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
    /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface (compatibility …