How to implement videooverlay interface in kmssink

[Nicolas Dufresne]

This interface only make sense for DRM driver that can scale. Then it's
just a matter of implementing a refresh independent of upstream caps.
Set_render_rectangle is not expected to depend on renegotiation.

Le 23 juin 2017 1:59 AM, "jared Hu" <jared.hu at nxp.com> a écrit :

> I’m trying to implement videooverlay interface in kmssink.
>
> My solution is like ximagesink. In set_render_rectangle, I record this user
> input size and position. In expose, I send a renconfigure event upstream to
> strat a negotiation. In get_caps, return the fix size caps to peer plugin.
> This can work when playing. But in pause state, I can not show the resize
> frame immediately because the caps renegotiate will not start until next
> buffer push down.
>
> Does anyone has some advice for me to solve this problem.
>
>
>
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