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Diffstat (limited to 'src/multimedia/audio/qaudio_mac.cpp')
-rw-r--r-- | src/multimedia/audio/qaudio_mac.cpp | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/src/multimedia/audio/qaudio_mac.cpp b/src/multimedia/audio/qaudio_mac.cpp deleted file mode 100644 index 4615083..0000000 --- a/src/multimedia/audio/qaudio_mac.cpp +++ /dev/null @@ -1,145 +0,0 @@ -/**************************************************************************** -** -** 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 - - |