179 lines
4.9 KiB
C++
179 lines
4.9 KiB
C++
/****************************************************************************
|
|
**
|
|
** 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
|