[marble] [Bug 372843] New: Voice navigation improperly configured for audio output (Instructions passed to phonon instead of file URL)

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=372843

            Bug ID: 372843
           Summary: Voice navigation improperly configured for audio
                    output (Instructions passed to phonon instead of file
                    URL)
           Product: marble
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: marble-bugs at kde.org
          Reporter: rinaldorexg at gmail.com
  Target Milestone: ---

Overview: 

Instead of audio file url, the instruction is being passed to the phonon output
and this makes it not play the voice instructions. 

I think this is actually a feature bug which directly hinders the voice
navigation ability of marble. 

Build date: Today, on Linux. (Compiled from source in GitHub, KDE/marble -
master branch)

Bug location: 
For your notice, 

https://github.com/KDE/marble/blob/master/src/plugins/render/routing/AudioOutput.cpp 

This is the source file where the potential bug resides. In line 87 as of now.
For convenience, 

void AudioOutputPrivate::playInstructions()
{
    setupAudio();
    if ( m_output ) {
        m_output->enqueue( QUrl::fromLocalFile( m_voiceNavigation.instruction()
) );
        m_output->play();
    }
}

VoiceNavigation.cpp gives not the url, but the instruction as per the
definition in
https://github.com/KDE/marble/blob/master/src/lib/marble/routing/VoiceNavigationModel.cpp
- line 407 as of now. 

QString VoiceNavigationModel::instruction() const
{
    return d->m_announcementText;
}
Expected output: Audio instructions need to played as per directions. 
Current output: None. Audio doesn't play because audio file url is not
received. Only instruction is received as such.

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