Merge AudioServices into mainline.

1 files changed, 171 insertions, 0 deletions

diff --git a/src/multimedia/audio/qaudiooutput_mac_p.h b/src/multimedia/audio/qaudiooutput_mac_p.h
new file mode 100644
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+++ b/src/multimedia/audio/qaudiooutput_mac_p.h
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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 QAUDIOOUTPUT_MAC_P_H
+#define QAUDIOOUTPUT_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/qtimer.h>
+#include <QtCore/qatomic.h>
+
+#include <QtMultimedia/qaudio.h>
+#include <QtMultimedia/qaudioformat.h>
+#include <QtMultimedia/qaudioengine.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QIODevice;
+
+namespace
+{
+class QAudioOutputBuffer;
+}
+
+class QAudioOutputPrivate : public QAbstractAudioOutput
+{
+    Q_OBJECT
+
+public:
+    bool            isOpen;
+    int             internalBufferSize;
+    int             periodSizeBytes;
+    qint64          totalFrames;
+    QAudioFormat    audioFormat;
+    QIODevice*      audioIO;
+    AudioDeviceID   audioDeviceId;
+    AudioUnit       audioUnit;
+    Float64         clockFrequency;
+    UInt64          startTime;
+    AudioStreamBasicDescription deviceFormat;
+    AudioStreamBasicDescription streamFormat;
+    QAudioOutputBuffer*   audioBuffer;
+    QAtomicInt      audioThreadState;
+    QWaitCondition  threadFinished;
+    QMutex          mutex;
+    QTimer*         intervalTimer;
+
+    QAudio::Error    errorCode;
+    QAudio::State    stateCode;
+
+    QAudioOutputPrivate(const QByteArray& device, const QAudioFormat& format);
+    ~QAudioOutputPrivate();
+
+    bool open();
+    void close();
+
+    QAudioFormat format() const;
+
+    QIODevice* start(QIODevice* device);
+    void stop();
+    void reset();
+    void suspend();
+    void resume();
+
+    int bytesFree() 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 audioThreadDrain();
+
+    void audioDeviceStop();
+    void audioDeviceIdle();
+    void audioDeviceError();
+
+    void startTimers();
+    void stopTimers();
+
+signals:
+    void stateChanged(QAudio::State);
+    void notify();
+
+private slots:
+    void deviceStopped();
+    void inputReady();
+
+private:
+    enum { Running, Draining, Stopped };
+
+    static OSStatus renderCallback(void* inRefCon,
+                                    AudioUnitRenderActionFlags* ioActionFlags,
+                                    const AudioTimeStamp* inTimeStamp,
+                                    UInt32 inBusNumber,
+                                    UInt32 inNumberFrames,
+                                    AudioBufferList* ioData);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif