random window positon with desktop shell

[Daniel Stone]

Hi Nancy,

On 30 September 2015 at 08:56, zou lan <nancy.lan.zou at gmail.com> wrote:
> I use the player in qtmultimedia examples. But our video team modify the
> code xvimagesink to v4L2sink. They say we can't support xvimagesink.
> My Qt version is 5.4.1 now.

Newer versions support waylandsink, which performs the same function
as xvimagesink did under X11. If your KMS driver under Weston and your
V4L2 media decoder driver both support dmabuf, this approach will be
zero-copy.

Cheers,
Daniel

> 2015-09-30 15:36 GMT+08:00 Giulio Camuffo <giuliocamuffo at gmail.com>:
>>
>> 2015-09-30 10:33 GMT+03:00 zou lan <nancy.lan.zou at gmail.com>:
>> > Hi all
>> >
>> > I ask this because I run a qt media player on platform wayland, I find
>> > it
>> > shows video contents in anothor hardware layer through V4L2 interface,
>> > but
>> > the UI is in fb layer by wayland path. So V4L2 interfaces need to know
>> > the
>> > UI window start position. But wayland don't have protocol to get this
>> > position. So some functions of this player can't work well on wayland.
>>
>> I don't know what that player is and does, but qtwayland 5.6 uses
>> subsurfaces for child QWindows, so i believe that fixes your issue.
>>
>>
>> --
>> Giulio
>>
>> >
>> > Best Regards
>> > Nancy
>> >
>> > 2015-09-25 14:48 GMT+08:00 Nancy Zou <lanz at qti.qualcomm.com>:
>> >>
>> >> Dear All:
>> >>
>> >>
>> >>
>> >> Can I ask why desktop shell create a new window with random initial
>> >> position? Can I modify it to fixed position in
>> >> weston_view_set_initial_position?  How can the Weston client get the
>> >> window
>> >> initial position?
>> >>
>> >>
>> >>
>> >> Thank you.
>> >>
>> >> Best Regards
>> >>
>> >> Nancy
>> >>
>> >>
>> >>
>> >>
>> >> _______________________________________________
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>> >> wayland-devel at lists.freedesktop.org
>> >> http://lists.freedesktop.org/mailman/listinfo/wayland-devel
>> >>
>> >
>> >
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>> >
>
>
>
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