v4l2src io-mode=4 and waylandsink rendering issue

[Nicolas Dufresne]

Le jeudi 02 août 2018 à 07:48 -0500, Matteo Valdina a écrit :
> Hi,
> I'm using two separate pipeline in the same process where the input
> is a v4l2src and DMAbuf.
> The input feed is different but when I render with the waylandsink
> the two pipelines content is mixed. Both display the same content and
> flicker between the two contents.

This isn't very clear what you are doing. You should clarify.

> 
>  It looks like using DMA pool is shared across these two pipelines.
> 
> I pass the wl_display and wl_surface to the waylandsink and I also
> tried to pass two different wl_display but it doesn't make any
> difference.
> 
> Changing io-mode=4 (dmabuf) to something else (2 mmap) solved the
> issue.
> 
> Any suggestions?

Do you multi-plex the camera to multiple waylandsink element ?

> 
> Best
> Matteo Valdina
> -- 
> “There are two ways of constructing a software design: One way is to
> make it so simple that there are obviously no deficiencies, and the
> other way is to make it so complicated that there are no obvious
> deficiencies. The first method is far more difficult.”
> - Tony Hoare
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