qpipewire_screencapture.cpp

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// Copyright (C) 2024 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 "qpipewire_screencapture_p.h"
 
#include <QtMultimedia/private/qpipewire_screencapturehelper_p.h>
#include <QtMultimedia/private/qpipewire_instance_p.h>
 
#include <utility>
 
QT_BEGIN_NAMESPACE
 
using namespace Qt::StringLiterals;
 
namespace QtPipeWire {
 
QPipeWireCapture::QPipeWireCapture(Source initialSource)
    : QPlatformSurfaceCapture(std::move(initialSource))
{
}
 
QPipeWireCapture::~QPipeWireCapture() = default;
 
bool QPipeWireCapture::isSupported()
{
    if (!QPipeWireInstance::isLoaded())
        return false;
 
    return QPipeWireCaptureHelper::isSupported();
}
 
QVideoFrameFormat QPipeWireCapture::frameFormat() const
{
    if (m_helper)
        return m_helper->frameFormat();
 
    return QVideoFrameFormat();
}
 
bool QPipeWireCapture::setActiveInternal(bool active)
{
    // Initialize helper, keep alive between captures
    if (!m_helper)
        m_helper = std::make_unique<QPipeWireCaptureHelper>(*this);
 
    if (!QPipeWireCaptureHelper::isSupported()) {
        updateError(QPlatformSurfaceCapture::Error::InternalError,
                    u"There is no ScreenCast service available in org.freedesktop.portal!"_s);
        return false;
    }
 
    m_helper->setFrameRate(frameRate().value_or(DefaultCaptureFrameRate));
 
    if (active)
        m_helper->start();
    else
        m_helper->stop();
 
    return true;
}
 
} // namespace QtPipeWire
 
QT_END_NAMESPACE