random window positon with desktop shell

Daniel Stone daniel at fooishbar.org
Wed Sep 30 00:54:48 PDT 2015


Hi,

On 30 September 2015 at 08:36, Giulio Camuffo <giuliocamuffo at gmail.com> wrote:
> 2015-09-30 10:33 GMT+03:00 zou lan <nancy.lan.zou at gmail.com>:
>> 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.

It sounds like she's actually bypassing Wayland entirely for the
video, so this wouldn't help.

Nancy, if you are able to modify your platform so that it passes the
video through Wayland instead of trying to avoid it, then this (and
many other problems) will be solved.

Cheers,
Daniel

> --
> 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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