Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2

src/multimediakit/audio/qaudioinput_symbian_p.h

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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QAUDIOINPUT_SYMBIAN_P_H
+#define QAUDIOINPUT_SYMBIAN_P_H
+
+#include <qaudiosystem.h>
+#include <QTime>
+#include <QTimer>
+#include "qaudio_symbian_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QAudioInputPrivate;
+
+class SymbianAudioInputPrivate : public QIODevice
+{
+    friend class QAudioInputPrivate;
+    Q_OBJECT
+public:
+    SymbianAudioInputPrivate(QAudioInputPrivate *audio);
+    ~SymbianAudioInputPrivate();
+
+    qint64 readData(char *data, qint64 len);
+    qint64 writeData(const char *data, qint64 len);
+
+    void dataReady();
+
+private:
+    QAudioInputPrivate *const m_audioDevice;
+};
+
+class QAudioInputPrivate
+    :   public QAbstractAudioInput
+{
+    friend class SymbianAudioInputPrivate;
+    Q_OBJECT
+public:
+    QAudioInputPrivate(const QByteArray &device);
+    ~QAudioInputPrivate();
+
+    // QAbstractAudioInput
+    void start(QIODevice *device);
+    QIODevice* start();
+    void stop();
+    void reset();
+    void suspend();
+    void resume();
+    int bytesReady() const;
+    int periodSize() const;
+    void setBufferSize(int value);
+    int bufferSize() const;
+    void setNotifyInterval(int milliSeconds);
+    int notifyInterval() const;
+    qint64 processedUSecs() const;
+    qint64 elapsedUSecs() const;
+    QAudio::Error error() const;
+    QAudio::State state() const;
+    QAudioFormat format() const;
+    void setFormat(const QAudioFormat& fmt);
+
+private slots:
+    void notifyTimerExpired();
+    void pullData();
+    void devsoundInitializeComplete(int err);
+    void devsoundBufferToBeEmptied(CMMFBuffer *);
+    void devsoundRecordError(int err);
+
+
+private:
+   void open();
+   void startRecording();
+   void startDataTransfer();
+   CMMFDataBuffer* currentBuffer() const;
+   void pushData();
+   qint64 read(char *data, qint64 len);
+   void bufferEmptied();
+   Q_INVOKABLE void close();
+
+   qint64 getSamplesRecorded() const;
+
+   void setError(QAudio::Error error);
+   void setState(SymbianAudio::State state);
+
+private:
+    const QByteArray m_device;
+    QAudioFormat m_format;
+
+    int m_clientBufferSize;
+    int m_notifyInterval;
+    QScopedPointer<QTimer> m_notifyTimer;
+    qint64 m_lastNotifyPosition;
+    QTime m_elapsed;
+    QAudio::Error m_error;
+
+    SymbianAudio::State m_internalState;
+    QAudio::State m_externalState;
+
+    bool m_pullMode;
+    QIODevice *m_sink;
+
+    QScopedPointer<QTimer> m_pullTimer;
+
+    SymbianAudio::DevSoundWrapper* m_devSound;
+
+    // Latest buffer provided by DevSound, to be empied of data.
+    CMMFDataBuffer *m_devSoundBuffer;
+
+    int m_devSoundBufferSize;
+
+    // Total amount of data in buffers provided by DevSound
+    int m_totalBytesReady;
+
+    // Queue of buffers returned after call to CMMFDevSound::Pause().
+    QList<CMMFDataBuffer *> m_devSoundBufferQ;
+
+    // Current read position within m_devSoundBuffer
+    qint64 m_devSoundBufferPos;
+
+    // Samples recorded up to the last call to suspend().  It is necessary
+    // to cache this because suspend() is implemented using
+    // CMMFDevSound::Stop(), which resets DevSound's SamplesRecorded() counter.
+    quint32 m_totalSamplesRecorded;
+
+};
+
+QT_END_NAMESPACE
+
+#endif