Record With A Circle Mask But Have Background Outside Mask Be Transparent

[derek@understandeachother]

Hi there I want to do something in OBS and not sure how. I can pay you a gig or two if you can give me the steps.

I attempted to do this with this youtube video:

- YouTube

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

www.youtube.com

So I made the mask circle in canva, then bring it in as a mask into OBS.

The problem is that the background is still black.

I need the black background around the circle to be transparent.

Can you tell me another way to record my video source in a circle, but have the whole black part be truly transparent so I can take it into video editing software and just have the circle only?

 

[Suslik V]

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