Added wmf implementation for QAudioDecoderControl

Change-Id: Ib6d5c93577bd55995a9ae51e757156149890f15d
Reviewed-by: Jun Zhu <jun.5.zhu@nokia.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
This commit is contained in:
Ling Hu
2012-07-05 14:47:42 +10:00
committed by Qt by Nokia
parent 51d7737c19
commit 48c945bac3
14 changed files with 1040 additions and 12 deletions

View File

@@ -0,0 +1,110 @@
/****************************************************************************
**
** 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:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** 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
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****************************************************************************/
#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