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/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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_QT7_MEDIAOBJECTAUDIONODE_H
#define Phonon_QT7_MEDIAOBJECTAUDIONODE_H
#include <QtCore/qnamespace.h>
#include "audionode.h"
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace QT7
{
class QuickTimeAudioPlayer;
class AudioMixerAudioNode;
class AudioConnection;
class MediaObjectAudioNode : public AudioNode
{
public:
MediaObjectAudioNode(QuickTimeAudioPlayer *player1, QuickTimeAudioPlayer *player2);
~MediaObjectAudioNode();
// Overridden section from AudioNode:
void createAndConnectAUNodes();
void createAudioUnits();
void setGraph(AudioGraph *audioGraph);
AUNode getOutputAUNode();
bool fillInStreamSpecification(AudioConnection *connection, ConnectionSide side);
bool setStreamSpecification(AudioConnection *connection, ConnectionSide side);
void startCrossFade(qint64 duration);
void updateCrossFade(qint64 currentTime);
void cancelCrossFade();
void setMute(bool mute);
bool isCrossFading();
QuickTimeAudioPlayer *m_player1;
QuickTimeAudioPlayer *m_player2;
AudioMixerAudioNode *m_mixer;
AudioConnection *m_connection1;
AudioConnection *m_connection2;
float m_fadeDuration;
float m_volume1;
float m_volume2;
float m_mute;
float applyCurve(float volume);
void updateVolume();
void mediaNodeEvent(const MediaNodeEvent *event);
};
}} //namespace Phonon::QT7
QT_END_NAMESPACE
#endif // Phonon_QT7_MEDIAOBJECTAUDIONODE_H
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