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/****************************************************************************
**
** Copyright (C) 2016 Research In Motion
** Copyright (C) 2021 The Qt Company
** 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 "qqnxaudiodevice_p.h"
#include "qqnxaudioutils_p.h"
#include <array>
#include <sys/asoundlib.h>
using namespace QnxAudioUtils;
QT_BEGIN_NAMESPACE
QnxAudioDeviceInfo::QnxAudioDeviceInfo(const QByteArray &deviceName, QAudioDevice::Mode mode)
: QAudioDevicePrivate(deviceName, mode)
{
isDefault = id.contains("Preferred");
preferredFormat.setChannelCount(mode == QAudioDevice::Input ? 1 : 2);
description = QString::fromUtf8(id);
minimumChannelCount = 1;
maximumChannelCount = 2;
const std::optional<snd_pcm_channel_info_t> info = pcmChannelInfo(id, mode);
if (!info)
return;
minimumSampleRate = info->min_rate;
maximumSampleRate = info->max_rate;
constexpr std::array sampleRates { 48000, 44100, 22050, 16000, 11025, 8000 };
for (int rate : sampleRates) {
if (rate <= maximumSampleRate && rate >= minimumSampleRate) {
preferredFormat.setSampleRate(rate);
break;
}
}
if (info->formats & SND_PCM_FMT_U8) {
supportedSampleFormats << QAudioFormat::UInt8;
preferredFormat.setSampleFormat(QAudioFormat::UInt8);
}
if (info->formats & SND_PCM_FMT_S16) {
supportedSampleFormats << QAudioFormat::Int16;
preferredFormat.setSampleFormat(QAudioFormat::Int16);
}
if (info->formats & SND_PCM_FMT_S32)
supportedSampleFormats << QAudioFormat::Int32;
if (info->formats & SND_PCM_FMT_FLOAT)
supportedSampleFormats << QAudioFormat::Float;
}
QnxAudioDeviceInfo::~QnxAudioDeviceInfo()
{
}
bool QnxAudioDeviceInfo::isFormatSupported(const QAudioFormat &format) const
{
const HandleUniquePtr handle = openPcmDevice(id, mode);
if (!handle)
return false;
const std::optional<snd_pcm_channel_info_t> info = pcmChannelInfo(handle.get(), mode);
if (!info)
return false;
snd_pcm_channel_params_t params = formatToChannelParams(format, mode, info->max_fragment_size);
const int errorCode = snd_pcm_plugin_params(handle.get(), ¶ms);
return errorCode == 0;
}
QT_END_NAMESPACE
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