Re: [mediacapture-fromelement] Must the alpha channel be preserved, and what about encoding in an alpha-less format? (#30)

Hey, yes.
The alpha channel is lost when transmitted via webRTC.
The walk around I found was to manipulate the canvas on the other side.
If you find a better way, share here please :)

On Sat, Jan 30, 2021 at 5:48 AM ShaiAmirSynamedia <notifications@github.com>
wrote:

> Old thread, but I'm feeling lucky :)
>
> I'm using captureStream in order to send out my transparent video to the
> other WebRTC client.
> However, the client seems to be receiving my video with black background
> instead of transparent as described above.
> My assumption was that WebM/VP8 would handle the transparency.
>
> Is there a fix for that or do I have to manipulate the canvas on the other
> end?
>
> Thanks
>
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Received on Saturday, 30 January 2021 17:19:05 UTC