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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qalsaaudiodevice_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ namespace {
++
++ QAudioDevicePrivate::AudioDeviceFormat
++ createAlsaAudioDeviceFormatFromDeviceName(const QByteArray &dev, QAudioDevice::Mode mode)
++ {
++ QAudioDevicePrivate::AudioDeviceFormat format;
++
++ // Check surround capabilities
++ bool surround40 = false;
++ bool surround51 = false;
++ bool surround71 = false;
++
++ if (mode == QAudioDevice::Output) {
++ if (dev.startsWith(QLatin1String("surround40")))
++ surround40 = true;
++ if (dev.startsWith(QLatin1String("surround51")))
++ surround51 = true;
++ if (dev.startsWith(QLatin1String("surround71")))
++ surround71 = true;
++ }
++
++ format.minimumChannelCount = 1;
++ format.maximumChannelCount = 2;
++ if (surround71)
++ format.maximumChannelCount = 8;
++ else if (surround40)
++ format.maximumChannelCount = 4;
++ else if (surround51)
++ format.maximumChannelCount = 6;
++
++ format.minimumSampleRate = 8000;
++ format.maximumSampleRate = 48000;
++
++ format.supportedSampleFormats = {
++ QAudioFormat::UInt8,
++ QAudioFormat::Int16,
++ QAudioFormat::Int32,
++ QAudioFormat::Float,
++ };
++
++ format.preferredFormat.setChannelCount(mode == QAudioDevice::Input ? 1 : 2);
++ format.preferredFormat.setSampleFormat(QAudioFormat::Float);
++ format.preferredFormat.setSampleRate(48000);
++
++ return format;
++ }
++
++ } // namespace
++
++ QAlsaAudioDeviceInfo::QAlsaAudioDeviceInfo(const QByteArray &dev, const QString &desc,
++ QAudioDevice::Mode mode)
++ : QAudioDevicePrivate(dev, mode, desc, false,
++ createAlsaAudioDeviceFormatFromDeviceName(dev, mode))
++ {
++ }
++
++ QAlsaAudioDeviceInfo::~QAlsaAudioDeviceInfo() = default;
++
++ QT_END_NAMESPACE