[Interest] Assert in QCamera on winrt tablet

Maurice Kalinowski Maurice.Kalinowski at qt.io
Tue Jun 21 11:49:15 CEST 2016


Hm.. I thought I caught all the instances of calling from the wrong thread.

Could you please create a bugreport on JIRA, then we can handle it there.

BR,
Maurice


> -----Original Message-----
> From: Rogerio Nicolau [mailto:r.nicolau.learningclip at gmail.com]
> Sent: Tuesday, June 21, 2016 10:54 AM
> To: Maurice Kalinowski <Maurice.Kalinowski at qt.io>;
> r.nicolau at learningclip.co.uk; interest at qt-project.org
> Subject: Re: [Interest] Assert in QCamera on winrt tablet
> 
> Hi,
> 
> Apologies, I had thought of it but then forgot to mention the version of Qt.
> I am using 5.6.1.
> 
> Thanks
> Rogério
> 
> 
> On 21/06/16 07:58, Maurice Kalinowski wrote:
> > Hi,
> >
> > First of all we need to know which version of Qt you are using? I have been
> doing quite a lot of update on the camera recently, with most (but not all)
> changes being in 5.6.1.
> >
> > Some are in 5.6.2 and will be available in 5.7.1 as well, hence the question.
> >
> > BR,
> > Maurice
> >
> >
> >> -----Original Message-----
> >> From: Interest [mailto:interest-bounces+maurice.kalinowski=qt.io at qt-
> >> project.org] On Behalf Of Rogerio Nicolau
> >> Sent: Monday, June 20, 2016 4:30 PM
> >> To: interest at qt-project.org
> >> Subject: [Interest] Assert in QCamera on winrt tablet
> >>
> >> Hello all
> >>
> >> I am getting the following assert when I call QCamera::start()
> >>
> >> ASSERT failure in bool __thiscall QWinRTCameraControl::setFocus(class
> >> QFlags<enum QCameraFocus::FocusMode>): "The application called an
> >> interface that was marshalled for a different thread.", file
> >> qwinrtcameracontrol.cpp, line 1163
> >>
> >> This is happening on winrt when using the BackFace camera (on a Dell
> >> Venue
> >> 8 pro tablet), even though when using the FrontFace camera it starts fine.
> >> Also works fine on Android and iOS.
> >>
> >> Does anyone have an idea on what might be happening? Is this
> >> something I am not doing or could this be an issue with Qt or Windows
> >> 10? I also wondered if it might be specific to the device, it's the
> >> only windows 10 tablet I have available at the moment.
> >>
> >> Thanks
> >> Rogério
> >>
> >>
> >> _______________________________________________
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> >> Interest at qt-project.org
> >> http://lists.qt-project.org/mailman/listinfo/interest
> 



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