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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 <qgstreameraudiooutput_p.h>
#include <qgstreameraudiodevice_p.h>
#include <qaudiodevice.h>
#include <qaudiooutput.h>
#include <QtCore/qloggingcategory.h>
#include <QtNetwork/qnetworkaccessmanager.h>
#include <QtNetwork/qnetworkreply.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
Q_LOGGING_CATEGORY(qLcMediaAudioOutput, "qt.multimedia.audiooutput")
QT_BEGIN_NAMESPACE
QGstreamerAudioOutput::QGstreamerAudioOutput(QAudioOutput *parent)
: QObject(parent),
QPlatformAudioOutput(parent),
gstAudioOutput("audioOutput")
{
audioQueue = QGstElement("queue", "audioQueue");
audioConvert = QGstElement("audioconvert", "audioConvert");
audioResample = QGstElement("audioresample", "audioResample");
audioVolume = QGstElement("volume", "volume");
audioSink = QGstElement("autoaudiosink", "autoAudioSink");
gstAudioOutput.add(audioQueue, audioConvert, audioResample, audioVolume, audioSink);
audioQueue.link(audioConvert, audioResample, audioVolume, audioSink);
gstAudioOutput.addGhostPad(audioQueue, "sink");
}
QGstreamerAudioOutput::~QGstreamerAudioOutput()
{
gstAudioOutput.setStateSync(GST_STATE_NULL);
}
void QGstreamerAudioOutput::setVolume(float vol)
{
audioVolume.set("volume", vol);
}
void QGstreamerAudioOutput::setMuted(bool muted)
{
audioVolume.set("mute", muted);
}
void QGstreamerAudioOutput::setPipeline(const QGstPipeline &pipeline)
{
gstPipeline = pipeline;
}
void QGstreamerAudioOutput::setAudioDevice(const QAudioDevice &info)
{
if (info == m_audioOutput)
return;
qCDebug(qLcMediaAudioOutput) << "setAudioOutput" << info.description() << info.isNull();
m_audioOutput = info;
QGstElement newSink;
#if QT_CONFIG(pulseaudio)
auto id = m_audioOutput.id();
newSink = QGstElement("pulsesink", "audiosink");
if (!newSink.isNull())
newSink.set("device", id.constData());
else
qCWarning(qLcMediaAudioOutput) << "Invalid audio device";
#else
auto *deviceInfo = static_cast<const QGStreamerAudioDeviceInfo *>(m_audioOutput.handle());
if (deviceInfo && deviceInfo->gstDevice)
newSink = gst_device_create_element(deviceInfo->gstDevice , "audiosink");
else
qCWarning(qLcMediaAudioOutput) << "Invalid audio device";
#endif
if (newSink.isNull()) {
qCWarning(qLcMediaAudioOutput) << "Failed to create a gst element for the audio device, using a default audio sink";
newSink = QGstElement("autoaudiosink", "audiosink");
}
audioVolume.staticPad("src").doInIdleProbe([&](){
audioVolume.unlink(audioSink);
gstAudioOutput.remove(audioSink);
gstAudioOutput.add(newSink);
newSink.syncStateWithParent();
audioVolume.link(newSink);
});
audioSink.setStateSync(GST_STATE_NULL);
audioSink = newSink;
}
QT_END_NAMESPACE
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