desktopCapturer

Process: Main

The following example shows how to capture video from a desktop window whose title is Electron:

To capture both audio and video from the entire desktop the constraints passed to must include chromeMediaSource: 'desktop', for both audio and , but should not include a chromeMediaSourceId constraint.

The desktopCapturer module has the following methods:

Note Capturing the screen contents requires user consent on macOS 10.15 Catalina or higher, which can detected by systemPreferences.getMediaAccessStatus.

Caveats

does not work on macOS for audio capture due to a fundamental limitation whereby apps that want to access the system’s audio require a signed kernel extension. Chromium, and by extension Electron, does not provide this.