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>

1 files changed, 110 insertions, 0 deletions

diff --git a/src/plugins/wmf/decoder/mfaudiodecodercontrol.h b/src/plugins/wmf/decoder/mfaudiodecodercontrol.h
new file mode 100644
index 000000000..2a4dbbed1
--- /dev/null
+++ b/src/plugins/wmf/decoder/mfaudiodecodercontrol.h
@@ -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:
+** 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