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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdarwinaudiodevice_p.h"
#include "qcoreaudioutils_p.h"
#include <private/qcore_mac_p.h>
#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)
# include "qcoreaudiosessionmanager_p.h"
#endif
#include <QtCore/QDataStream>
#include <QtCore/QDebug>
#include <QtCore/QSet>
#include <QIODevice>
QT_BEGIN_NAMESPACE
#if defined(Q_OS_MACOS)
QCoreAudioDeviceInfo::QCoreAudioDeviceInfo(AudioDeviceID id, const QByteArray &device, QAudioDevice::Mode mode)
: QAudioDevicePrivate(device, mode),
m_deviceId(id)
#else
QCoreAudioDeviceInfo::QCoreAudioDeviceInfo(const QByteArray &device, QAudioDevice::Mode mode)
: QAudioDevicePrivate(device, mode)
#endif
{
preferredFormat = determinePreferredFormat();
description = getDescription();
minimumSampleRate = 1;
maximumSampleRate = 96000;
minimumChannelCount = 1;
maximumChannelCount = 16;
supportedSampleFormats << QAudioFormat::UInt8 << QAudioFormat::Int16 << QAudioFormat::Int32 << QAudioFormat::Float;
}
QAudioFormat QCoreAudioDeviceInfo::determinePreferredFormat() const
{
QAudioFormat format;
#if defined(Q_OS_MACOS)
UInt32 propSize = 0;
AudioObjectPropertyScope audioDevicePropertyScope = mode == QAudioDevice::Input ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
AudioObjectPropertyAddress audioDevicePropertyStreamsAddress = { kAudioDevicePropertyStreams,
audioDevicePropertyScope,
kAudioObjectPropertyElementMaster };
if (AudioObjectGetPropertyDataSize(m_deviceId, &audioDevicePropertyStreamsAddress, 0, NULL, &propSize) == noErr) {
const int sc = propSize / sizeof(AudioStreamID);
if (sc > 0) {
AudioStreamID* streams = new AudioStreamID[sc];
if (AudioObjectGetPropertyData(m_deviceId, &audioDevicePropertyStreamsAddress, 0, NULL, &propSize, streams) == noErr) {
AudioObjectPropertyAddress audioDevicePhysicalFormatPropertyAddress = { kAudioStreamPropertyPhysicalFormat,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster };
for (int i = 0; i < sc; ++i) {
if (AudioObjectGetPropertyDataSize(streams[i], &audioDevicePhysicalFormatPropertyAddress, 0, NULL, &propSize) == noErr) {
AudioStreamBasicDescription sf;
if (AudioObjectGetPropertyData(streams[i], &audioDevicePhysicalFormatPropertyAddress, 0, NULL, &propSize, &sf) == noErr) {
format = CoreAudioUtils::toQAudioFormat(sf);
break;
} else {
qWarning() << "QAudioDevice: Unable to find perferedFormat for stream";
}
} else {
qWarning() << "QAudioDevice: Unable to find size of perferedFormat for stream";
}
}
}
delete[] streams;
}
}
if (!format.isValid())
#endif
{
format.setSampleRate(44100);
format.setSampleFormat(QAudioFormat::Int16);
format.setChannelCount(mode == QAudioDevice::Input ? 1 : 2);
}
return format;
}
QString QCoreAudioDeviceInfo::getDescription() const
{
#ifdef Q_OS_MACOS
CFStringRef name;
UInt32 size = sizeof(CFStringRef);
AudioObjectPropertyScope audioPropertyScope = mode == QAudioDevice::Input ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
AudioObjectPropertyAddress audioDeviceNamePropertyAddress = { kAudioObjectPropertyName,
audioPropertyScope,
kAudioObjectPropertyElementMaster };
if (AudioObjectGetPropertyData(m_deviceId, &audioDeviceNamePropertyAddress, 0, NULL, &size, &name) != noErr) {
qWarning() << "QAudioDevice: Unable to find device description";
return QString();
}
QString s = QString::fromCFString(name);
CFRelease(name);
return s;
#else
return QString::fromUtf8(id);
#endif
}
QT_END_NAMESPACE
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