unable to create phonon application on Qt Post: 302541839

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Top Forums Programming unable to create phonon application on Qt Post 302541839 by sruthihsr on Tuesday 26th of July 2011 01:29:39 AM

07-26-2011

Registered User

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 fault Smilie

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 DEBIAN

sonata

SONATA(1)						      General Commands Manual							 SONATA(1)

NAME

       sonata - GTK+ client for the Music Player Daemon

SYNOPSIS

       sonata [OPTION]

DESCRIPTION

       Sonata is an elegant GTK+ music client for the Music Player Daemon (MPD).

OPTIONS

       -h, --help
	      Show this help and exit

       -p, --popup
	      Popup song notification (requires D-Bus)

       -t, --toggle
	      Toggles whether the app is minimized to tray or visible (requires D-Bus)

       -v, --version
	      Show version information and exit

       --hidden
	      Start app hidden (requires systray)

       --visible
	      Start app visible (requires systray)

       --profile=[NUM]
	      Start with profile [NUM]

       play   Play song in playlist

       pause  Pause currently playing song

       stop   Stop currently playing song

       next   Play next song in playlist

       prev   Play previous song in playlist

       pp     Toggle play/pause; plays if stopped

       repeat Toggle repeat mode

       random Toggle random mode

       info   Display current song info

       status Display MPD status

SEE ALSO

       Website: http://sonata.berlios.de

       MPD Website: http://www.musicpd.org

AUTHOR

       Sonata was written by Scott Horowitz <stonecrest@gmail.com>.

       This  manual  page  is  currently  maintained  by  Scott  Horowitz  <stonecrest@gmail.com>.  It	was  originally  written  by  Michal Cihar
       <michal@cihar.com>.

								 October 20, 2006							 SONATA(1)