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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MFAUDIODECODERCONTROL_H
#define MFAUDIODECODERCONTROL_H
#include "qaudiodecodercontrol.h"
#include "mfdecodersourcereader.h"
#include "sourceresolver.h"
QT_USE_NAMESPACE
class MFAudioDecoderControl : public QAudioDecoderControl
{
Q_OBJECT
public:
MFAudioDecoderControl(QObject *parent = 0);
~MFAudioDecoderControl();
QAudioDecoder::State state() const;
QString sourceFilename() const;
void setSourceFilename(const QString &fileName);
QIODevice* sourceDevice() const;
void setSourceDevice(QIODevice *device);
void start();
void stop();
QAudioFormat audioFormat() const;
void setAudioFormat(const QAudioFormat &format);
QAudioBuffer read();
bool bufferAvailable() const;
qint64 position() const;
qint64 duration() const;
private Q_SLOTS:
void handleMediaSourceReady();
void handleMediaSourceError(long hr);
void handleSampleAdded();
void handleSourceFinished();
private:
void updateResamplerOutputType();
void activatePipeline();
void onSourceCleared();
MFDecoderSourceReader *m_decoderSourceReader;
SourceResolver *m_sourceResolver;
IMFTransform *m_resampler;
QAudioDecoder::State m_state;
QString m_sourceFilename;
QIODevice *m_device;
QAudioFormat m_audioFormat;
DWORD m_mfInputStreamID;
DWORD m_mfOutputStreamID;
bool m_bufferReady;
QAudioBuffer m_cachedAudioBuffer;
qint64 m_duration;
qint64 m_position;
bool m_loadingSource;
IMFMediaType *m_mfOutputType;
IMFSample *m_convertSample;
QAudioFormat m_sourceOutputFormat;
bool m_sourceReady;
bool m_resamplerDirty;
};
#endif//MFAUDIODECODERCONTROL_H
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