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// Copyright (C) 2021 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 <qgstreameraudioinput_p.h>
#include <qgstreameraudiodevice_p.h>
#include <qaudiodevice.h>
#include <qaudioinput.h>
#include <QtCore/qloggingcategory.h>
#include <QtNetwork/qnetworkaccessmanager.h>
#include <QtNetwork/qnetworkreply.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <utility>
static Q_LOGGING_CATEGORY(qLcMediaAudioInput, "qt.multimedia.audioInput")
QT_BEGIN_NAMESPACE
QMaybe<QPlatformAudioInput *> QGstreamerAudioInput::create(QAudioInput *parent)
{
QGstElement autoaudiosrc = QGstElement::createFromFactory("autoaudiosrc", "autoaudiosrc");
if (!autoaudiosrc)
return errorMessageCannotFindElement("autoaudiosrc");
QGstElement volume = QGstElement::createFromFactory("volume", "volume");
if (!volume)
return errorMessageCannotFindElement("volume");
return new QGstreamerAudioInput(autoaudiosrc, volume, parent);
}
QGstreamerAudioInput::QGstreamerAudioInput(QGstElement autoaudiosrc, QGstElement volume,
QAudioInput *parent)
: QObject(parent),
QPlatformAudioInput(parent),
gstAudioInput(QGstBin::create("audioInput")),
audioSrc(std::move(autoaudiosrc)),
audioVolume(std::move(volume))
{
gstAudioInput.add(audioSrc, audioVolume);
qLinkGstElements(audioSrc, audioVolume);
gstAudioInput.addGhostPad(audioVolume, "src");
}
QGstreamerAudioInput::~QGstreamerAudioInput()
{
gstAudioInput.setStateSync(GST_STATE_NULL);
}
void QGstreamerAudioInput::setVolume(float volume)
{
audioVolume.set("volume", volume);
}
void QGstreamerAudioInput::setMuted(bool muted)
{
audioVolume.set("mute", muted);
}
void QGstreamerAudioInput::setAudioDevice(const QAudioDevice &device)
{
if (device == m_audioDevice)
return;
qCDebug(qLcMediaAudioInput) << "setAudioInput" << device.description() << device.isNull();
m_audioDevice = device;
QGstElement newSrc;
if constexpr (QT_CONFIG(pulseaudio)) {
auto id = m_audioDevice.id();
newSrc = QGstElement::createFromFactory("pulsesrc", "audiosrc");
if (!newSrc.isNull())
newSrc.set("device", id.constData());
else
qCWarning(qLcMediaAudioInput) << "Invalid audio device";
} else {
auto *deviceInfo = static_cast<const QGStreamerAudioDeviceInfo *>(m_audioDevice.handle());
if (deviceInfo && deviceInfo->gstDevice) {
newSrc = QGstElement{
gst_device_create_element(deviceInfo->gstDevice.get(), "audiosrc"),
QGstElement::HasRef,
};
} else {
qCWarning(qLcMediaAudioInput) << "Invalid audio device";
}
}
if (newSrc.isNull()) {
qCWarning(qLcMediaAudioInput) << "Failed to create a gst element for the audio device, using a default audio source";
newSrc = QGstElement::createFromFactory("autoaudiosrc", "audiosrc");
}
// FIXME: most probably source can be disconnected outside of idle probe
audioSrc.staticPad("src").doInIdleProbe([&]() { qUnlinkGstElements(audioSrc, audioVolume); });
gstAudioInput.stopAndRemoveElements(audioSrc);
audioSrc = newSrc;
gstAudioInput.add(audioSrc);
qLinkGstElements(audioSrc, audioVolume);
audioSrc.syncStateWithParent();
}
QAudioDevice QGstreamerAudioInput::audioInput() const
{
return m_audioDevice;
}
QT_END_NAMESPACE
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