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/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
Copyright (C) 2008 Matthias Kretz <kretz@kde.org>
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef Phonon_GSTREAMER_AUDIOOUTPUT_H
#define Phonon_GSTREAMER_AUDIOOUTPUT_H
#include "common.h"
#include "medianode.h"
#include <phonon/audiooutputinterface.h>
#include <phonon/phononnamespace.h>
#include <QtCore/QFile>
#include <gst/gst.h>
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace Gstreamer
{
class AudioOutput : public QObject, public AudioOutputInterface, public MediaNode
{
Q_OBJECT
Q_INTERFACES(Phonon::AudioOutputInterface Phonon::Gstreamer::MediaNode)
public:
AudioOutput(Backend *backend, QObject *parent);
~AudioOutput();
qreal volume() const;
int outputDevice() const;
void setVolume(qreal newVolume);
bool setOutputDevice(int newDevice);
#if (PHONON_VERSION >= PHONON_VERSION_CHECK(4, 2, 0))
bool setOutputDevice(const AudioOutputDevice &newDevice);
#endif
public:
GstElement *audioElement()
{
Q_ASSERT(m_audioBin);
return m_audioBin;
}
void mediaNodeEvent(const MediaNodeEvent *event);
Q_SIGNALS:
void volumeChanged(qreal newVolume);
void audioDeviceFailed();
private:
qreal m_volumeLevel;
int m_device;
GstElement *m_volumeElement;
GstElement *m_audioBin;
GstElement *m_audioSink;
GstElement *m_conv;
};
}
} //namespace Phonon::Gstreamer
QT_END_NAMESPACE
#endif // Phonon_GSTREAMER_AUDIOOUTPUT_H
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