/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtMultimedia module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** 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. | |
** | |
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** $QT_END_LICENSE$ | |
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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 QAUDIOINPUT_MAC_P_H | |
#define QAUDIOINPUT_MAC_P_H | |
#include <CoreServices/CoreServices.h> | |
#include <CoreAudio/CoreAudio.h> | |
#include <AudioUnit/AudioUnit.h> | |
#include <AudioToolbox/AudioToolbox.h> | |
#include <QtCore/qobject.h> | |
#include <QtCore/qmutex.h> | |
#include <QtCore/qwaitcondition.h> | |
#include <QtCore/qatomic.h> | |
#include <QtMultimedia/qaudio.h> | |
#include <QtMultimedia/qaudioformat.h> | |
#include <QtMultimedia/qaudioengine.h> | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
class QTimer; | |
class QIODevice; | |
class QAbstractAudioDeviceInfo; | |
namespace QtMultimediaInternal | |
{ | |
class QAudioInputBuffer; | |
} | |
class QAudioInputPrivate : public QAbstractAudioInput | |
{ | |
Q_OBJECT | |
public: | |
bool isOpen; | |
int periodSizeBytes; | |
int internalBufferSize; | |
qint64 totalFrames; | |
QAudioFormat audioFormat; | |
QIODevice* audioIO; | |
AudioUnit audioUnit; | |
AudioDeviceID audioDeviceId; | |
Float64 clockFrequency; | |
UInt64 startTime; | |
QAudio::Error errorCode; | |
QAudio::State stateCode; | |
QtMultimediaInternal::QAudioInputBuffer* audioBuffer; | |
QMutex mutex; | |
QWaitCondition threadFinished; | |
QAtomicInt audioThreadState; | |
QTimer* intervalTimer; | |
AudioStreamBasicDescription streamFormat; | |
AudioStreamBasicDescription deviceFormat; | |
QAbstractAudioDeviceInfo *audioDeviceInfo; | |
QAudioInputPrivate(const QByteArray& device, QAudioFormat const& format); | |
~QAudioInputPrivate(); | |
bool open(); | |
void close(); | |
QAudioFormat format() const; | |
QIODevice* start(QIODevice* device); | |
void stop(); | |
void reset(); | |
void suspend(); | |
void resume(); | |
void idle(); | |
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; | |
void audioThreadStart(); | |
void audioThreadStop(); | |
void audioDeviceStop(); | |
void audioDeviceFull(); | |
void audioDeviceError(); | |
void startTimers(); | |
void stopTimers(); | |
private slots: | |
void deviceStopped(); | |
private: | |
enum { Running, Stopped }; | |
// Input callback | |
static OSStatus inputCallback(void* inRefCon, | |
AudioUnitRenderActionFlags* ioActionFlags, | |
const AudioTimeStamp* inTimeStamp, | |
UInt32 inBusNumber, | |
UInt32 inNumberFrames, | |
AudioBufferList* ioData); | |
}; | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif // QAUDIOINPUT_MAC_P_H |