/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtMultimedia module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of other Qt classes.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#ifndef QAUDIOINPUTWIN_H+
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#define QAUDIOINPUTWIN_H+
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+
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#include <windows.h>+
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#include <mmsystem.h>+
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+
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#include <QtCore/qfile.h>+
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#include <QtCore/qdebug.h>+
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#include <QtCore/qtimer.h>+
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#include <QtCore/qstring.h>+
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#include <QtCore/qstringlist.h>+
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#include <QtCore/qdatetime.h>+
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#include <QtCore/qmutex.h>+
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+
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#include <QtMultimedia/qaudio.h>+
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#include <QtMultimedia/qaudiodeviceinfo.h>+
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#include <QtMultimedia/qaudioengine.h>+
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+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QAudioInputPrivate : public QAbstractAudioInput+
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{+
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    Q_OBJECT+
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public:+
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    QAudioInputPrivate(const QByteArray &device, const QAudioFormat& audioFormat);+
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    ~QAudioInputPrivate();+
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+
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    qint64 read(char* data, qint64 len);+
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+
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    QAudioFormat format() const;+
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    QIODevice* start(QIODevice* device = 0);+
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    void stop();+
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    void reset();+
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    void suspend();+
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    void resume();+
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    int bytesReady() const;+
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    int periodSize() const;+
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    void setBufferSize(int value);+
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    int bufferSize() const;+
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    void setNotifyInterval(int milliSeconds);+
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    int notifyInterval() const;+
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    qint64 processedUSecs() const;+
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    qint64 elapsedUSecs() const;+
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    QAudio::Error error() const;+
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    QAudio::State state() const;+
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+
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    QIODevice* audioSource;+
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    QAudioFormat settings;+
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    QAudio::Error errorState;+
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    QAudio::State deviceState;+
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+
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private:+
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    qint32 buffer_size;+
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    qint32 period_size;+
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    qint32 header;+
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    QByteArray m_device;+
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    int bytesAvailable;+
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    int intervalTime;+
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    QTime timeStamp;+
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    qint64 elapsedTimeOffset;+
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    QTime timeStampOpened;+
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    qint64 totalTimeValue;+
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    bool pullMode;+
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    bool resuming;+
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    WAVEFORMATEX wfx;+
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    HWAVEIN hWaveIn;+
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    MMRESULT result;+
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    WAVEHDR* waveBlocks;+
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    volatile bool finished;+
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    volatile int waveFreeBlockCount;+
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    int waveCurrentBlock;+
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+
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    QMutex mutex;+
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    static void QT_WIN_CALLBACK waveInProc( HWAVEIN hWaveIn, UINT uMsg,+
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            DWORD dwInstance, DWORD dwParam1, DWORD dwParam2 );+
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+
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    WAVEHDR* allocateBlocks(int size, int count);+
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    void freeBlocks(WAVEHDR* blockArray);+
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    bool open();+
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    void close();+
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+
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private slots:+
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    void feedback();+
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    bool deviceReady();+
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+
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signals:+
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    void processMore();+
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};+
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+
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class InputPrivate : public QIODevice+
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{+
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    Q_OBJECT+
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public:+
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    InputPrivate(QAudioInputPrivate* audio);+
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    ~InputPrivate();+
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+
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    qint64 readData( char* data, qint64 len);+
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    qint64 writeData(const char* data, qint64 len);+
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+
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    void trigger();+
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private:+
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    QAudioInputPrivate *audioDevice;+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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