168 lines
4.5 KiB
C++
168 lines
4.5 KiB
C++
/****************************************************************************
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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 Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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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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// 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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#ifndef QAUDIOOUTPUTWIN_H
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#define QAUDIOOUTPUTWIN_H
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#include <windows.h>
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#include <mmsystem.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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#include <qaudio.h>
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#include <qaudiodeviceinfo.h>
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#include <qaudiosystem.h>
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// For compat with 4.6
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#if !defined(QT_WIN_CALLBACK)
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# if defined(Q_CC_MINGW)
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# define QT_WIN_CALLBACK CALLBACK __attribute__ ((force_align_arg_pointer))
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# else
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# define QT_WIN_CALLBACK CALLBACK
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# endif
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#endif
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QT_BEGIN_NAMESPACE
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class QAudioOutputPrivate : public QAbstractAudioOutput
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{
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Q_OBJECT
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public:
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QAudioOutputPrivate(const QByteArray &device);
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~QAudioOutputPrivate();
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qint64 write( const char *data, qint64 len );
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void setFormat(const QAudioFormat& fmt);
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QAudioFormat format() const;
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QIODevice* start();
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void start(QIODevice* device);
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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 bytesFree() 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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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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private slots:
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void feedback();
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bool deviceReady();
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private:
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QByteArray m_device;
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bool resuming;
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int bytesAvailable;
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QTime timeStamp;
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qint64 elapsedTimeOffset;
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QTime timeStampOpened;
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qint32 buffer_size;
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qint32 period_size;
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qint64 totalTimeValue;
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bool pullMode;
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int intervalTime;
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static void QT_WIN_CALLBACK waveOutProc( HWAVEOUT hWaveOut, UINT uMsg,
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DWORD dwInstance, DWORD dwParam1, DWORD dwParam2 );
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QMutex mutex;
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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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WAVEFORMATEX wfx;
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HWAVEOUT hWaveOut;
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MMRESULT result;
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WAVEHDR header;
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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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char* audioBuffer;
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};
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class OutputPrivate : public QIODevice
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{
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Q_OBJECT
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public:
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OutputPrivate(QAudioOutputPrivate* audio);
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~OutputPrivate();
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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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private:
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QAudioOutputPrivate *audioDevice;
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};
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QT_END_NAMESPACE
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#endif
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