为 OS X 创建虚拟显示器驱动程序的指针
我想为 OS X 创建一个虚拟显示器驱动程序。我所说的虚拟是指一个显示器驱动程序，它不驱动连接的显示器，但却欺骗 OS X 认为连接了这样一个显示器。
目的？它可以通过其他协议（例如 VNC）将显示数据隧道传输到其他设备。
我相信以前已经以这样或那样的形式做到了这一点（也许是那些将你的 iPad 变成辅助显示器的应用程序）。
任何有关此的编码/内核黑客指针将不胜感激！
I'd like to create a virtual monitor driver for OS X. What I mean by virtual is a monitor driver that does not drive an attached monitor, yet fools OS X into thinking there is such a monitor attached.
The purpose? It can tunnel display data to some other device over some other protocol, say VNC.
I believe this has been done before in one form or another (perhaps those apps that turn your iPad into a secondary display).
Any coding/kernel hackery pointers on this would be appreciated!
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经过日复一日的尝试，我发现http://code.google.com/p/ioproxyvideofamily/ 这就像一个魅力。尝试过 EWProxyFramebuffer，尝试过 iDisplay，但这是第一个真正有效的！
- 更新 -
听起来 ioproxyvideofamily 尚未与新操作系统保持同步。自 10.7 以来我就没有尝试过它（或任何替代方案）。如果您找到更好的替代方案，请为此问题创建一个新答案。
After days and days of attempts, I found http://code.google.com/p/ioproxyvideofamily/ which works like a charm. Tried EWProxyFramebuffer, tried iDisplay, but this is the first one that actually works!
- Update -
Sounds like ioproxyvideofamily hasn't been kept up to date with new OS's. I haven't tried it (or any alternatives) since 10.7. If you find a better alternative, create a new answer to this question.
https://github.com/mkernel/EWProxyFramebuffer 可以做你想做的事。您必须自己使用 xcode 编译它，并将 EWProxyFrameBuffer.kext 安装到 /System/Library/Extensions 并将 EWProxyFrameBufferConnection.framework 安装到 /System/Library/Frameworks。确保已安装文件的所有权限均为 755，所有者/组为 root/wheel。使用 EWProxyFrameBuffer.app，您可以取消/激活监视器。
https://github.com/mkernel/EWProxyFramebuffer can do what you want. You have to compile it with xcode yourself and to install EWProxyFrameBuffer.kext to /System/Library/Extensions and EWProxyFrameBufferConnection.framework to /System/Library/Frameworks. Make sure all rights of the installed files are 755 and owner/group is root/wheel. Using EWProxyFrameBuffer.app, you can then de-/activate the monitor.
我尝试让 http://code.google.com/p/ioproxyvideofamily/ 正常工作。是狮子还是我？因为它不会显示在系统信息/软件/扩展中。提供的应用程序也不起作用。
我正要检查一下来源，看看里面是否有什么可疑的东西。
I try to get http://code.google.com/p/ioproxyvideofamily/ working. Is it Lion or is it me? Because it doesn't show in System Information/Software/Extensions. Also the provided applications doesn't work.
I'm about to check out the source to see if there is something fishy in there.