qpipewire_screencapture.cpp

Go to the documentation of this file.

// 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, std::shared_ptr<QPipeWireInstance> instance)
    : QPlatformSurfaceCapture(std::move(initialSource)), m_instance(std::move(instance))
{
    Q_ASSERT(m_instance);
}
 
QPipeWireCapture::~QPipeWireCapture() = default;
 
std::unique_ptr<QPipeWireCapture> QPipeWireCapture::create(Source initialSource)
{
    auto instance = QPipeWireInstance::instance();
    if (!instance)
        return nullptr;
 
    if (!instance->hasScreenCastPortal())
        return nullptr;
 
    return std::make_unique<QPipeWireCapture>(std::move(initialSource), std::move(instance));
}
 
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, m_instance);
 
    Q_ASSERT(m_instance->hasScreenCastPortal());
 
    m_helper->setFrameRate(frameRate().value_or(DefaultCaptureFrameRate));
 
    if (active)
        m_helper->start();
    else
        m_helper->stop();
 
    return true;
}
 
} // namespace QtPipeWire
 
QT_END_NAMESPACE