HOW TO ADD WEBCAM USING CHROMA KEY AND ALPHA MASK TO SCREEN AND GAMEPLAY RECORDINGS


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Introduction

With Action! You can easily add to your video picture from webcam with automatic background removal option using Chroma Key option. Follow this tutorial to learn about using Chroma Key and Alpha mask to create outstanding recordings with webcams!

Open Webcam Settings

Select your webcam device using Video Recording tab and open Action! Settings – Webcam Settings.

Mirillis Action! - Webcam settings

Enable webcam preview

Now, make sure that you have your webcam preview enabled. It is required to use webcam preview to setup high quality Chroma Keying.

Mirillis Action! - Select Webcam

Switch to detailed preview

Switch webcam preview to detailed preview. With detailed preview it is much easier to pick a proper color for Chroma Key function, to assess the final effect and to make correct Chroma Key options adjustments.

Mirillis Action! - Select Webcam

Enable and adjust Chroma Key

Enable Use Chroma Key option, and use Color picker or RGB edit boxes to set a background color that will be removed. Adjust Threshold and Blend parameters to get the best results. Please note that Chroma Key is available for webcam resolutions up to 1280x720. Please select 1280x720 webcam capture resolution or lower to enable Chroma Key. To change Capture resolution you must disable webcam preview first.

Mirillis Action! - Adjust webcam settings

Enable Alpha mask

When Chroma Key setup is done and you are happy about the results, please check Use alpha mask option. With this option your webcam picture will be additionally clipped with a curved mask to fit your webcam picture even better to final video recordings.

Please note that Alpha mask works only for a few specific webcam capture resolutions: 640x360, 640x480 and 1280x720. If you have any other capture resolution set, please change it to one of above resolutions to enable Alpha mask option.

Mirillis Action! - Gameplay recording