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Full Discussion: unable to create phonon application on Qt
Top Forums Programming unable to create phonon application on Qt Post 302541839 by sruthihsr on Tuesday 26th of July 2011 01:29:39 AM
Old 07-26-2011
Network unable to create phonon application on Qt
Hi I am new to QT.I am running Qt 4.7 on Fedora 9.My Application crashes with the the following statements. on execution of
return app.exec();
The inferior stopped because it received a signal from the Operating System.

Signal name : SIGSEGV
Signal meaning :Segmentation faultSmilie

The crash happens on call of the following
Code:
Phonon::MediaObject *music =
Phonon::createPlayer(Phonon::MusicCategory,
                      Phonon::MediaSource("/root/Desktop/song/abc.mp3"));
music->play();

I am pasting my main.cpp below. Please help.

Code:
#include <QtGui/QApplication>
#include "qmlapplicationviewer.h"
#include <iostream>
#include <fstream>
#include <string>
#include <getopt.h>
#include <id3/misc_support.h>
#include <QtGui/QWidget>
#include <QtGui/QApplication>
#include <QtCore/QTimerEvent>
#include <QtGui/QShowEvent>
#include <QtGui/QIcon>
#include <QtCore/QBasicTimer>
#include <QtGui/QAction>

#include <phonon/audiooutput.h>
#include <phonon/backendcapabilities.h>
#include <phonon/effect.h>
#include <phonon/effectparameter.h>
#include <phonon/effectwidget.h>
#include <phonon/mediaobject.h>
#include <phonon/seekslider.h>
#include <phonon/videowidget.h>
#include <phonon/volumeslider.h>
#include <phonon/mediasource.h>
 #include <Phonon>

#include <sys/types.h>
#include <sys/stat.h>

using namespace std;

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
      app.setApplicationName( "Mu" );

    QmlApplicationViewer viewer;
    viewer.setOrientation(QmlApplicationViewer::ScreenOrientationAuto);
    viewer.setMainQmlFile(QLatin1String("qml/mp02/main.qml"));
    viewer.showExpanded();

    Phonon::MediaObject *music =
Phonon::createPlayer(Phonon::MusicCategory,
                      Phonon::MediaSource("/root/Desktop/song/abc.mp3"));
music->play();


    return app.exec();
}

Last edited by pludi; 07-26-2011 at 04:34 AM..
 

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LEARN ABOUT SUNOS

eog

eog(1)								   User Commands							    eog(1)

NAME

       eog - GNOME image viewer

SYNOPSIS

       eog [gnome-std-options] filename [filename2...]

DESCRIPTION

       The eog application is an image viewer for GNOME. The specified image files  are each displayed in a separate eog window.

OPTIONS

       The following options are supported:

       gnome-std-optionStandard options available for use with most GNOME applications.  See gnome-std-options(5) for more information.

OPERANDS

       The following operands are supported:

       filename        The name of the image file to be viewed.

EXAMPLES

       Example 1: Launching the GNOME image viewer

       example% eog

       Example 2: Opening the image file test.gif in GNOME image viewer

       example% eog test.gif

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       >0	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/eog	       Executable for GNOME image viewer. eog stands for "Eye Of GNOME".

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-image-viewer	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       Eye of GNOME Manual

       Latest version of the GNOME Desktop User Guide for your platform.

       gnome-std-options(5)

NOTES

       Written by Brian Cameron, Sun Microsystems  Inc., 2003.

SunOS 5.10							    2 Oct 2003								    eog(1)
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