[Qt-interest] problem with phonon/musicplayer example

[Luc Devallonné]

Hello,

It is most likely that the phonon module was not build as it depends
on GStreamer backend.
Try to install GStreamer and GSreamer devel package and then run QT
configure again. Make sure that configure list phonon in the list of
build modules. If it does, then recompile everything and you should be
fine.

Luc

On Wed, Jan 21, 2009 at 12:59 PM, Avishek_Sharma
<Avishek_Sharma at satyam.com> wrote:
> Hi,
> I was trying to run the 'musicplayer' example which uses phonon framework.I got a long list of errors(pasted below).I guess either phonon itself isn't present(though it's supposed to be bundled with Qt 4.4 and I am using Qt 4.4.3 on Linux (fedora)) or maybe there's some other problem which you could help me in solving.
> I didn't make any changes in the original code.
>
> My gcc version is 4.1.2 20070925 (Red Hat 4.1.2-33). I guess it's not a compiler problem .
>
> This is what I get when I traverse to /usr/local/Trolltech/Qt-4.4.3/include
> [root at localhost include]# ls
> Qt QtAssistant QtDesigner QtHelp QtOpenGL QtSql QtTest QtWebKit QtXmlPatterns
> Qt3Support QtCore QtGui QtNetwork QtScript QtSvg QtUiTools QtXml.
> I can't see phonon anywhere in the list.
>
> Please advice on what to do?I am new to both Qt and Linux so please don't mind if my questions sound odd or too simple
>
> Thanks for any help.
> **********************************errors********** **************************
> In file included from main.cpp:22:
> mainwindow.h:25:37: error: phonon/phononnamespace.h: No such file or directory
> mainwindow.h:26:33: error: phonon/audiooutput.h: No such file or directory
> mainwindow.h:27:32: error: phonon/seekslider.h: No such file or directory
> mainwindow.h:28:33: error: phonon/mediaobject.h: No such file or directory
> mainwindow.h:29:34: error: phonon/volumeslider.h: No such file or directory
> mainwindow.h:30:41: error: phonon/backendcapabilities.h: No such file or directory
> mainwindow.h:52: error: 'Phonon' has not been declared
> mainwindow.h:52: error: expected ',' or '...' before 'newState'
> mainwindow.h:54: error: expected ',' or '...' before '::' token
> mainwindow.h:54: error: ISO C++ forbids declaration of 'Phonon' with no type
> mainwindow.h:55: error: 'Phonon' has not been declared
> mainwindow.h:55: error: expected ',' or '...' before 'newState'
> mainwindow.h:64: error: 'Phonon' has not been declared
> mainwindow.h:64: error: ISO C++ forbids declaration of 'SeekSlider' with no type
> mainwindow.h:64: error: expected ';' before '*' token
> mainwindow.h:65: error: 'Phonon' has not been declared
> mainwindow.h:65: error: ISO C++ forbids declaration of 'MediaObject' with no type
> mainwindow.h:65: error: expected ';' before '*' token
> mainwindow.h:66: error: 'Phonon' has not been declared
> mainwindow.h:66: error: ISO C++ forbids declaration of 'MediaObject' with no type
> mainwindow.h:66: error: expected ';' before '*' token
> mainwindow.h:67: error: 'Phonon' has not been declared
> mainwindow.h:67: error: ISO C++ forbids declaration of 'AudioOutput' with no type
> mainwindow.h:67: error: expected ';' before '*' token
> mainwindow.h:68: error: 'Phonon' has not been declared
> mainwindow.h:68: error: ISO C++ forbids declaration of 'VolumeSlider' with no type
> mainwindow.h:68: error: expected ';' before '*' token
> mainwindow.h:69: error: 'Phonon' was not declared in this scope
> mainwindow.h:69: error: template argument 1 is invalid
> make: *** [main.o] Error 1
>
> regards,
> Avishek
>
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-- 
Luc Devallonné
Cell: +41 78 751 32 15
Skype: luc.devallonne