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//

//  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 QAUDIOINPUTWIN_H

#define QAUDIOINPUTWIN_H

#include <windows.h>

#include <mmsystem.h>

#include <QtCore/qfile.h>

#include <QtCore/qdebug.h>

#include <QtCore/qtimer.h>

#include <QtCore/qstring.h>

#include <QtCore/qstringlist.h>

#include <QtCore/qdatetime.h>

#include <QtCore/qmutex.h>

#include <qaudio.h>

#include <qaudiodeviceinfo.h>

#include <qaudiosystem.h>

QT_BEGIN_NAMESPACE

// For compat with 4.6

#if !defined(QT_WIN_CALLBACK)

#  if defined(Q_CC_MINGW)

#    define QT_WIN_CALLBACK CALLBACK __attribute__ ((force_align_arg_pointer))

#  else

#    define QT_WIN_CALLBACK CALLBACK

#  endif

#endif

class QAudioInputPrivate : public QAbstractAudioInput

{

    Q_OBJECT

public:

    QAudioInputPrivate(const QByteArray &device);

    ~QAudioInputPrivate();

    qint64 read(char* data, qint64 len);

    void setFormat(const QAudioFormat& fmt);

    QAudioFormat format() const;

    QIODevice* start();

    void start(QIODevice* device);

    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;

    QIODevice* audioSource;

    QAudioFormat settings;

    QAudio::Error errorState;

    QAudio::State deviceState;

private:

    qint32 buffer_size;

    qint32 period_size;

    qint32 header;

    QByteArray m_device;

    int bytesAvailable;

    int intervalTime;

    QTime timeStamp;

    qint64 elapsedTimeOffset;

    QTime timeStampOpened;

    qint64 totalTimeValue;

    bool pullMode;

    bool resuming;

    WAVEFORMATEX wfx;

    HWAVEIN hWaveIn;

    MMRESULT result;

    WAVEHDR* waveBlocks;

    volatile bool finished;

    volatile int waveFreeBlockCount;

    int waveCurrentBlock;

    QMutex mutex;

    static void QT_WIN_CALLBACK waveInProc( HWAVEIN hWaveIn, UINT uMsg,

            DWORD dwInstance, DWORD dwParam1, DWORD dwParam2 );

    WAVEHDR* allocateBlocks(int size, int count);

    void freeBlocks(WAVEHDR* blockArray);

    bool open();

    void close();

private slots:

    void feedback();

    bool deviceReady();

signals:

    void processMore();

};

class InputPrivate : public QIODevice

{

    Q_OBJECT

public:

    InputPrivate(QAudioInputPrivate* audio);

    ~InputPrivate();

    qint64 readData( char* data, qint64 len);

    qint64 writeData(const char* data, qint64 len);

    void trigger();

private:

    QAudioInputPrivate *audioDevice;

};

QT_END_NAMESPACE

#endif