qavfscreencapture_p.h

Go to the documentation of this file.

// Copyright (C) 2022 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
 
#ifndef QAVFSCREENCAPTURE_H
#define QAVFSCREENCAPTURE_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtMultimedia/private/qplatformsurfacecapture_p.h>
 
#include <QtCore/qmutex.h>
#include <QtCore/qwaitcondition.h>
 
QT_BEGIN_NAMESPACE
 
class QFFmpegVideoSink;
 
namespace QFFmpeg {
 
class QAVFScreenCapture : public QPlatformSurfaceCapture
{
    Q_OBJECT
 
    class Grabber;
 
public:
    explicit QAVFScreenCapture();
    ~QAVFScreenCapture() override;
 
    QVideoFrameFormat frameFormat() const override;
 
    std::optional<int> ffmpegHWPixelFormat() const override;
 
protected:
    bool setActiveInternal(bool active) override;
 
private:
    void onNewFrame(const QVideoFrame &frame);
 
    bool initScreenCapture(QScreen *screen);
 
    void resetCapture();
 
private:
    std::optional<QVideoFrameFormat> m_format;
    mutable QMutex m_formatMutex;
    mutable QWaitCondition m_waitForFormat;
 
    std::unique_ptr<Grabber> m_grabber;
};
 
} // namespace QFFmpeg
 
QT_END_NAMESPACE
 
#endif // QAVFSCREENCAPTURE_H