Draw same video on multiple windows.

[Pedro Lacerda]

Implement such element is too much work for me, I'll stick with the tee
solution.

Do you see any problem in create up to 4~10 low-resolution decoding
pipelines in one application, each one with potentially few video sinks?

abraços,
Pedro Lacerda


2014/1/12 Sebastian Dröge <sebastian at centricular.com>

> On So, 2014-01-12 at 05:28 -0200, Pedro Lacerda wrote:
> > I'm building an application that enable user manage RTP streams and
> change
> > their destinations interactively, for visual feedback I want the same
> video
> > be displayed on multiple windows.
> >
> > Ideally I simply watch for 'prepare-window-handle' events and
> > set_window_handle() for multiple handlers but seems that each video sink
> > can only draw to one window. My workaround is link a tee to multiple
> > autovideosink/xvimagesink elements.
> >
> > Certainly you can provide better solutions, which they are?
>
> The only other solution I see here is to implement a custom multi-window
> sink that uses a specific video rendering API. And then ideally does not
> e.g. require uploading the frames multiple times to the GPU but only
> once for all windows together.
>
> --
> Sebastian Dröge, Centricular Ltd - http://www.centricular.com
> Expertise, Straight from the Source
>
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