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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-NOGPL2$
** 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 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qambientsound.h"
#include "qaudioengine_p.h"
#include "resonance_audio.h"
#include <qaudiosink.h>
#include <qurl.h>
#include <qdebug.h>
#include <qaudiodecoder.h>
QT_BEGIN_NAMESPACE
/*!
\class QAmbientSound
\inmodule QtMultimedia
\ingroup spatialaudio
\brief A stereo overlay sound.
QAmbientSound represents a position and orientation independent sound.
It's commonly used for background sounds (e.g. music) that is supposed to be independent
of the listeners position and orientation.
*/
/*!
Creates a stereo sound source for \a engine.
*/
QAmbientSound::QAmbientSound(QAudioEngine *engine)
: d(new QAmbientSoundPrivate(this))
{
setEngine(engine);
}
QAmbientSound::~QAmbientSound()
{
setEngine(nullptr);
delete d;
}
/*!
\property QAmbientSound::volume
Defines the volume of the sound.
Values between 0 and 1 will attenuate the sound, while values above 1
provide an additional gain boost.
*/
void QAmbientSound::setVolume(float volume)
{
if (d->volume == volume)
return;
d->volume = volume;
auto *ep = QAudioEnginePrivate::get(d->engine);
if (ep)
ep->resonanceAudio->api->SetSourceVolume(d->sourceId, d->volume);
emit volumeChanged();
}
float QAmbientSound::volume() const
{
return d->volume;
}
void QAmbientSound::setSource(const QUrl &url)
{
if (d->url == url)
return;
d->url = url;
d->load();
emit sourceChanged();
}
/*!
\property QAmbientSound::source
The source file for the sound to be played.
*/
QUrl QAmbientSound::source() const
{
return d->url;
}
/*!
\property QAmbientSound::loops
Determines how many times the sound is played before the player stops.
Set to QAmbientSound::Infinite to play the current sound in
a loop forever.
The default value is \c 1.
*/
int QAmbientSound::loops() const
{
return d->m_loops.loadRelaxed();
}
void QAmbientSound::setLoops(int loops)
{
int oldLoops = d->m_loops.fetchAndStoreRelaxed(loops);
if (oldLoops != loops)
emit loopsChanged();
}
/*!
\property QAmbientSound::autoPlay
Determines whether the sound should automatically start playing when a source
gets specified.
The default value is \c true.
*/
bool QAmbientSound::autoPlay() const
{
return d->m_autoPlay.loadRelaxed();
}
void QAmbientSound::setAutoPlay(bool autoPlay)
{
bool old = d->m_autoPlay.fetchAndStoreRelaxed(autoPlay);
if (old != autoPlay)
emit autoPlayChanged();
}
/*!
Starts playing back the sound. Does nothing if the sound is already playing.
*/
void QAmbientSound::play()
{
d->play();
}
/*!
Pauses sound playback. Calling play() will continue playback.
*/
void QAmbientSound::pause()
{
d->pause();
}
/*!
Stops sound playback and resets the current position and current loop count to 0.
Calling play() will start playback at the beginning of the sound file.
*/
void QAmbientSound::stop()
{
d->stop();
}
/*!
\internal
*/
void QAmbientSound::setEngine(QAudioEngine *engine)
{
if (d->engine == engine)
return;
auto *ep = QAudioEnginePrivate::get(engine);
if (ep)
ep->removeStereoSound(this);
d->engine = engine;
ep = QAudioEnginePrivate::get(engine);
if (ep) {
ep->addStereoSound(this);
ep->resonanceAudio->api->SetSourceVolume(d->sourceId, d->volume);
}
}
/*!
Returns the engine associated with this sound.
*/
QAudioEngine *QAmbientSound::engine() const
{
return d->engine;
}
QT_END_NAMESPACE
#include "moc_qambientsound.cpp"
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