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authorJustin McPherson <justin.mcpherson@nokia.com>2009-08-05 04:26:56 (GMT)
committerJustin McPherson <justin.mcpherson@nokia.com>2009-08-05 04:26:56 (GMT)
commite7052de274f6a201be628441d144dbbef5868948 (patch)
tree2456ce91e33a13d49666213e722a12f32d196e0a /src/multimedia/audio/qaudioinput_mac_p.h
parentbd51c3010e78925a2074122b281de53f01be9ef9 (diff)
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Merge AudioServices into mainline.
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtMultimedia module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// 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_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;
+
+namespace
+{
+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;
+ QAudioInputBuffer* audioBuffer;
+ QMutex mutex;
+ QWaitCondition threadFinished;
+ QAtomicInt audioThreadState;
+ QTimer* intervalTimer;
+ AudioStreamBasicDescription streamFormat;
+ AudioStreamBasicDescription deviceFormat;
+
+ 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 totalTime() const;
+ qint64 clock() const;
+
+ QAudio::Error error() const;
+ QAudio::State state() const;
+
+ void audioThreadStart();
+ void audioThreadStop();
+
+ void audioDeviceStop();
+ void audioDeviceFull();
+ void audioDeviceError();
+
+ void startTimers();
+ void stopTimers();
+
+signals:
+ void stateChanged(QAudio::State);
+ void notify();
+
+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