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-rw-r--r--src/multimedia/audio/qaudio_mac.cpp145
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diff --git a/src/multimedia/audio/qaudio_mac.cpp b/src/multimedia/audio/qaudio_mac.cpp
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--- a/src/multimedia/audio/qaudio_mac.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part 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.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-
-#include "qaudio_mac_p.h"
-
-QT_BEGIN_NAMESPACE
-
-// Debugging
-QDebug operator<<(QDebug dbg, const QAudioFormat& audioFormat)
-{
- dbg.nospace() << "QAudioFormat(" <<
- audioFormat.frequency() << "," <<
- audioFormat.channels() << "," <<
- audioFormat.sampleSize()<< "," <<
- audioFormat.codec() << "," <<
- audioFormat.byteOrder() << "," <<
- audioFormat.sampleType() << ")";
-
- return dbg.space();
-}
-
-
-// Conversion
-QAudioFormat toQAudioFormat(AudioStreamBasicDescription const& sf)
-{
- QAudioFormat audioFormat;
-
- audioFormat.setFrequency(sf.mSampleRate);
- audioFormat.setChannels(sf.mChannelsPerFrame);
- audioFormat.setSampleSize(sf.mBitsPerChannel);
- audioFormat.setCodec(QString::fromLatin1("audio/pcm"));
- audioFormat.setByteOrder((sf.mFormatFlags & kAudioFormatFlagIsBigEndian) != 0 ? QAudioFormat::BigEndian : QAudioFormat::LittleEndian);
- QAudioFormat::SampleType type = QAudioFormat::UnSignedInt;
- if ((sf.mFormatFlags & kAudioFormatFlagIsSignedInteger) != 0)
- type = QAudioFormat::SignedInt;
- else if ((sf.mFormatFlags & kAudioFormatFlagIsFloat) != 0)
- type = QAudioFormat::Float;
- audioFormat.setSampleType(type);
-
- return audioFormat;
-}
-
-AudioStreamBasicDescription toAudioStreamBasicDescription(QAudioFormat const& audioFormat)
-{
- AudioStreamBasicDescription sf;
-
- sf.mFormatFlags = kAudioFormatFlagIsPacked;
- sf.mSampleRate = audioFormat.frequency();
- sf.mFramesPerPacket = 1;
- sf.mChannelsPerFrame = audioFormat.channels();
- sf.mBitsPerChannel = audioFormat.sampleSize();
- sf.mBytesPerFrame = sf.mChannelsPerFrame * (sf.mBitsPerChannel / 8);
- sf.mBytesPerPacket = sf.mFramesPerPacket * sf.mBytesPerFrame;
- sf.mFormatID = kAudioFormatLinearPCM;
-
- switch (audioFormat.sampleType()) {
- case QAudioFormat::SignedInt: sf.mFormatFlags |= kAudioFormatFlagIsSignedInteger; break;
- case QAudioFormat::UnSignedInt: /* default */ break;
- case QAudioFormat::Float: sf.mFormatFlags |= kAudioFormatFlagIsFloat; break;
- case QAudioFormat::Unknown: default: break;
- }
-
- if (audioFormat.byteOrder() == QAudioFormat::BigEndian)
- sf.mFormatFlags |= kAudioFormatFlagIsBigEndian;
-
- return sf;
-}
-
-// QAudioRingBuffer
-QAudioRingBuffer::QAudioRingBuffer(int bufferSize):
- m_bufferSize(bufferSize)
-{
- m_buffer = new char[m_bufferSize];
- reset();
-}
-
-QAudioRingBuffer::~QAudioRingBuffer()
-{
- delete m_buffer;
-}
-
-int QAudioRingBuffer::used() const
-{
- return m_bufferUsed;
-}
-
-int QAudioRingBuffer::free() const
-{
- return m_bufferSize - m_bufferUsed;
-}
-
-int QAudioRingBuffer::size() const
-{
- return m_bufferSize;
-}
-
-void QAudioRingBuffer::reset()
-{
- m_readPos = 0;
- m_writePos = 0;
- m_bufferUsed = 0;
-}
-
-QT_END_NAMESPACE
-
-