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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QMOCKSURFACECAPTURE_H
#define QMOCKSURFACECAPTURE_H
#include "private/qplatformsurfacecapture_p.h"
#include "qmockvideobuffer.h"
#include "qthread.h"
QT_BEGIN_NAMESPACE
class QMockSurfaceCapture : public QPlatformSurfaceCapture
{
class Grabber : public QThread
{
public:
Grabber(QMockSurfaceCapture &capture) : QThread(&capture), m_capture(capture) { }
void run() override
{
for (int i = 0; !isInterruptionRequested(); ++i) {
QImage image(m_capture.m_imageSize, QImage::Format_ARGB32);
image.fill(i % 2 ? Qt::red : Qt::blue);
QVideoFrame frame(new QMockVideoBuffer(image),
QVideoFrameFormat(m_capture.m_imageSize,
QVideoFrameFormat::pixelFormatFromImageFormat(
m_capture.m_imageFormat)));
emit m_capture.newVideoFrame(frame);
}
}
private:
QMockSurfaceCapture &m_capture;
};
public:
using QPlatformSurfaceCapture::QPlatformSurfaceCapture;
~QMockSurfaceCapture() { resetGrabber(); }
bool setActiveInternal(bool active) override
{
if (active) {
m_grabber = std::make_unique<Grabber>(*this);
m_grabber->start();
} else {
resetGrabber();
}
return true;
}
bool isActive() const override { return bool(m_grabber); }
QVideoFrameFormat frameFormat() const override
{
return m_grabber ? QVideoFrameFormat(
m_imageSize, QVideoFrameFormat::pixelFormatFromImageFormat(m_imageFormat))
: QVideoFrameFormat{};
}
private:
void resetGrabber()
{
if (m_grabber) {
m_grabber->requestInterruption();
m_grabber->quit();
m_grabber->wait();
m_grabber.reset();
}
}
private:
std::unique_ptr<Grabber> m_grabber;
const QImage::Format m_imageFormat = QImage::Format_ARGB32;
const QSize m_imageSize = QSize(2, 3);
};
QT_END_NAMESPACE
#endif // QMOCKSURFACECAPTURE_H
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