<div dir="ltr">Hi Daniel<div> </div><div>I agree with you. Maybe waylandsink can resolve this problem. But we need update Qt too.</div><div>Thank you.</div></div><div class="gmail_extra"> <div class="gmail_quote">2015-09-30 16:01 GMT+08:00 Daniel Stone <<a href="mailto:daniel@fooishbar.org" target="_blank">daniel@fooishbar.org</a>>: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Nancy, On 30 September 2015 at 08:56, zou lan <<a href="mailto:nancy.lan.zou@gmail.com">nancy.lan.zou@gmail.com</a>> 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 <div class="HOEnZb"><div class="h5"> > 2015-09-30 15:36 GMT+08:00 Giulio Camuffo <<a href="mailto:giuliocamuffo@gmail.com">giuliocamuffo@gmail.com</a>>: >> >> 2015-09-30 10:33 GMT+03:00 zou lan <<a href="mailto:nancy.lan.zou@gmail.com">nancy.lan.zou@gmail.com</a>>: >> > 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 <<a href="mailto:lanz@qti.qualcomm.com">lanz@qti.qualcomm.com</a>>: >> >> >> >> 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 >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> >> wayland-devel mailing list >> >> <a href="mailto:wayland-devel@lists.freedesktop.org">wayland-devel@lists.freedesktop.org</a> >> >> <a href="http://lists.freedesktop.org/mailman/listinfo/wayland-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/wayland-devel</a> >> >> >> > >> > >> > _______________________________________________ >> > wayland-devel mailing list >> > <a href="mailto:wayland-devel@lists.freedesktop.org">wayland-devel@lists.freedesktop.org</a> >> > <a href="http://lists.freedesktop.org/mailman/listinfo/wayland-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/wayland-devel</a> >> > > > > > _______________________________________________ > wayland-devel mailing list > <a href="mailto:wayland-devel@lists.freedesktop.org">wayland-devel@lists.freedesktop.org</a> > <a href="http://lists.freedesktop.org/mailman/listinfo/wayland-devel" rel="noreferrer" target="_blank">http://lists.freedesktop.org/mailman/listinfo/wayland-devel</a> > </div></div></blockquote></div> </div>