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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 <QtMultimedia/private/qtmultimediaglobal_p.h>
#include "qgstreameraudioinputselector_p.h"
#include <QtCore/QDir>
#include <QtCore/QDebug>
#include <gst/gst.h>
#if QT_CONFIG(alsa)
#include <alsa/asoundlib.h>
#endif
QGstreamerAudioInputSelector::QGstreamerAudioInputSelector(QObject *parent)
:QAudioInputSelectorControl(parent)
{
update();
}
QGstreamerAudioInputSelector::~QGstreamerAudioInputSelector()
{
}
QList<QString> QGstreamerAudioInputSelector::availableInputs() const
{
return m_names;
}
QString QGstreamerAudioInputSelector::inputDescription(const QString& name) const
{
QString desc;
for (int i = 0; i < m_names.size(); i++) {
if (m_names.at(i).compare(name) == 0) {
desc = m_descriptions.at(i);
break;
}
}
return desc;
}
QString QGstreamerAudioInputSelector::defaultInput() const
{
if (m_names.size() > 0)
return m_names.at(0);
return QString();
}
QString QGstreamerAudioInputSelector::activeInput() const
{
return m_audioInput;
}
void QGstreamerAudioInputSelector::setActiveInput(const QString& name)
{
if (m_audioInput.compare(name) != 0) {
m_audioInput = name;
emit activeInputChanged(name);
}
}
void QGstreamerAudioInputSelector::update()
{
m_names.clear();
m_descriptions.clear();
//use autoaudiosrc as the first default device
m_names.append(QLatin1String("default:"));
m_descriptions.append(tr("System default device"));
updatePulseDevices();
updateAlsaDevices();
updateOssDevices();
if (m_names.size() > 0)
m_audioInput = m_names.at(0);
}
void QGstreamerAudioInputSelector::updateAlsaDevices()
{
#if QT_CONFIG(alsa)
void **hints, **n;
if (snd_device_name_hint(-1, "pcm", &hints) < 0) {
qWarning()<<"no alsa devices available";
return;
}
n = hints;
while (*n != NULL) {
char *name = snd_device_name_get_hint(*n, "NAME");
char *descr = snd_device_name_get_hint(*n, "DESC");
char *io = snd_device_name_get_hint(*n, "IOID");
if ((name != NULL) && (descr != NULL)) {
if ( io == NULL || qstrcmp(io,"Input") == 0 ) {
m_names.append(QLatin1String("alsa:")+QString::fromUtf8(name));
m_descriptions.append(QString::fromUtf8(descr));
}
}
if (name != NULL)
free(name);
if (descr != NULL)
free(descr);
if (io != NULL)
free(io);
n++;
}
snd_device_name_free_hint(hints);
#endif
}
void QGstreamerAudioInputSelector::updateOssDevices()
{
QDir devDir(QStringLiteral("/dev"));
devDir.setFilter(QDir::System);
const QFileInfoList entries = devDir.entryInfoList(QStringList() << QLatin1String("dsp*"));
for (const QFileInfo& entryInfo : entries) {
m_names.append(QLatin1String("oss:")+entryInfo.filePath());
m_descriptions.append(QString::fromLatin1("OSS device %1").arg(entryInfo.fileName()));
}
}
void QGstreamerAudioInputSelector::updatePulseDevices()
{
GstElementFactory *factory = gst_element_factory_find("pulsesrc");
if (factory) {
m_names.append(QLatin1String("pulseaudio:"));
m_descriptions.append(QLatin1String("PulseAudio device."));
gst_object_unref(GST_OBJECT(factory));
}
}
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