Phonon::VideoWidget embedded inside a QGraphicsProxyWidget

Marco Martin notmart at gmail.com
Sun Mar 28 12:24:14 CEST 2010


On Sunday 28 March 2010, Mohamed Ikbel Boulabiar wrote:
> Hi,
> 
> I really feel happy to see finally the QGraphicsVideoItem coming in Qt
> since I requested some time ago.
> 
> Can we now create easily surface video effects like these ? :
> http://njpatel.blogspot.com/2007/07/clutter-foo.html
> and this :
> http://www.youtube.com/watch?v=FPnH5KrVhBo
> 
> This is what we lack comparing to other frameworks like WPF (WTF from MS).

with plasma is possible since at least a year
http://www.youtube.com/watch?v=g4co0WVGaTc
the only problem as we were discussing here is the speed of the 
qgraphicsproxywidget, so with small videos is just fine, but full screen high 
definition ones are a bit out of question right now :)

> ik.
> 
> On Sat, Mar 27, 2010 at 6:06 AM, Andreas Marschke
> 
> <xxtjaxx at googlemail.com> wrote:
> > Am Freitag 26 März 2010 20:48:35 schrieb Emdek:
> >> On 26-03-2010 at 19:03:57 Alessandro Diaferia <alediaferia at gmail.com>
> >> 
> >> wrote:
> >> > As you currently may be aware of, embedding a Phonon::VideoWidget
> >> > inside a
> >> > QGraphicsProxyWidget causes the video appealing awfully while playing.
> >> > I've
> >> > been bouncing here and there on IRC talking with Lucas Murray from
> >> > KWin and
> >> > Mark Kretschmann from Phonon.
> >> 
> >> Someone tried this class from Qt 4.7?
> >> http://doc.qt.nokia.com/4.7-snapshot/qgraphicsvideoitem.html
> >> 
> >> Maybe this will be best solution (when 4.7 will be released)?
> > 
> > This seems to be for QtMultimedia framework that is now shipped with Qt
> > since 4.6(?). But this here is more for the phonon side of things thus
> > maybe not usable in conjunction right?
> > 
> > Besides I would be really interested how we could use this in a general
> > application as well. MythTV for instance uses Qt aswell but ignores
> > phonon completely though. I lately had a look at the phonon directory of
> > kde-qt and there was a TODO item for translucent overlays for
> > videowidget. I cant really say that somethinghappened for this though.
> > Might it be possible to not fragment efforts too much across different
> > ways of implementing this type of widget and instead try to fix
> > Phonon::VideoWidget?
> > 
> > Just my 2 cents
> > 
> > Cheers,
> > 
> > Andreas Marschke.
> > _______________________________________________
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> > Plasma-devel at kde.org
> > https://mail.kde.org/mailman/listinfo/plasma-devel
> 
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-- 
Marco Martin


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