[Qt-interest] problem with phonon mediaplayer demo

Mehmet Kaplan mehmetkpln at gmail.com
Tue Jun 23 22:12:54 CEST 2009


sorry i'm sending my question twice.i couldn't get any answer.
i hope, someone has an opinion about it and this will be the last mail i
sent about this problem.


On Thu, Jun 18, 2009 at 2:32 PM, Mehmet Kaplan <mehmetkpln at gmail.com> wrote:

> hi all,i' working on phonon mediaplayer example in qt demos.
> i use Microsoft Visual Studio 2005 and qt 4.4.2.0 on Windows XP.
> i didn't install any backend, so i use the default one (must be
> directshow).
> i can compile and build the project.
> when i run the demo, i can play some videos, but in some videos (for
> example 384x288 avi file, video codec : Nero Video Decoder, i can play it
> with windows media player) i get the following two error dialogs.
> any help can be useful, thanks a lot...
>
>
> *1st one:*
> ---------------------------
> Protection Error
> ---------------------------
> Debugger detected  - please close it down and restart!
>
> Windows NT users: Please note that having the
>
> WinIce/SoftIce service installed means that you are
>
> running a debugger!
> ---------------------------
> OK
> ---------------------------
>
> *2nd one:*
> ---------------------------
> Microsoft Visual C++ Debug Library
> ---------------------------
> Debug Error!
>
> Program: c:\Qt\4.4.2.0\demos\mediaplayer\debug\mediaplayer.exe
> Module: 4.4.2
> File: global\qglobal.cpp
> Line: 2074
>
> ASSERT failure in QCoreApplication::sendEvent: "Cannot send events to
> objects owned by a different thread. Current thread b8b900. Receiver '' (of
> type 'Phonon::VideoWidget') was created in thread a18328", file
> kernel\qcoreapplication.cpp, line 280
>
> (Press Retry to debug the application)
> ---------------------------
> Abort   Retry   Ignore
> ---------------------------
>
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