It's not clear if/what is a modern alternative. The macOS SDK used to have an API called CoreMediaIO, which might have been the way to expose a virtual camera, but this API was also deprecated. It uses Quartz Composer for implementing effects, but Quartz Composer was deprecated by Apple and it's probably living its last days in Catalina. Unfortunately, CamTwist is rather old and not well maintained. I got it running on my macOS Catalina, applied some of its builtin effects on my camera stream, and saw it show up as a new camera in my Hangouts settings (after restarting Chrome). It will work if SIP is disabled, but that's a terrible idea and I'm not going to suggest or help anyone do that."įortunately, CamTwist works. Trying to inject into any process will silently fail. Apple closed up the loophole that allows scripting additions in global directories to load into any process. Unfortunately, Syphon doesn't expose a virtual camera anymore: "SyphonInject NO LONGER WORKS IN macOS 10.14 (Mojave). Open EpocCam on your phone and launch a compatible video app on your computer. Now connect your phone and computer to the same Wi-Fi network. Then install the drivers on your Mac or Windows computer from the Kinoni site. To get started, download the EpocCam app on your iPhone. In discussions about this ( thread, thread), folks talk about a tool called Syphon and a tool called CamTwist. How to Use iPhone as Webcam on Mac with EpocCam. However, there is no functionality to expose the stream as a virtual camera on macOS. It captures input from different sources (camera, desktop, etc.), has a plugin system for applying effects, and then streams the output to popular services (e.g. There's a popular tool in the live streaming community called OBS Studio. Next, launch CamTwist, select Syphon as your video source in the first column, and the Camera Live server from the drop-down on the far right portion of the screen. I'm hoping this question will collect advice/links/ideas in the right direction for how to do this as of 2020. here, here), but they are either unanswered or very old. There are a few similar questions on StackOverflow (e.g. I've spent many hours researching how to do this and I'm still not clear if it's even possible with modern macOS APIs. Any and all can then be turned on or off using check boxes, so that it is. The user first selects the input source on the left, from a choice of webcam, desktop, slideshow or video, and adds the respective item into the 'effects in use' column, along with any effects selected. This virtual camera could then be selected in whichever videochat application. The CamTwist interface is simple and for the most part easy-to-use. The way I imagine this working is to write a macOS application that reads the camera feed, applies my filters, and exposes an additional virtual camera. I want to write my own camera filters for videochat, and ideally apply them in any/all of the popular videochat applications (Zoom, Hangouts, Skype, etc.).
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