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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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