How to make rounded cornered video?

[Nicolas Dufresne]

Le samedi 26 mai 2018 à 19:16 +0900, Seungha Yang a écrit :
> Hello,
> 
> I'm finding a way for making rounded video frame using gstreamer.
> For example, when composing two video frames with compositor element,
> I hope one inner stream can have rounded edge
> (like https://helpx.adobe.com/indesign/how-to/round-corners-frame.htm
> l is describing)
> 
> +-----------+                       +---------------+
> |               |      +------+       |  /-----\         |
> |     V0      |  +  |  V1  |  =    | |  V1 |        |
> |               |      +------+       |  \-----/  V0   |
> +-----------+                        +--------------+ 
> Is there any video filter for that in gstreamer (without opengl) ? 
> I think videomixer, videobox, and compositor has no ability for that.

The element that comes to my mind is shapewipe, though I'm worried, I
the example pipeline does not seem to work for me anymore. I'll have a
look.

https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-good/html/gst-plugins-good-plugins-shapewipe.html



> 
> Seungha Yang
> 
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