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Diffstat (limited to 'src/multimedia/platform/qplatformsurfacecapture_p.h')
-rw-r--r-- | src/multimedia/platform/qplatformsurfacecapture_p.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/multimedia/platform/qplatformsurfacecapture_p.h b/src/multimedia/platform/qplatformsurfacecapture_p.h new file mode 100644 index 000000000..e4c59c6f4 --- /dev/null +++ b/src/multimedia/platform/qplatformsurfacecapture_p.h @@ -0,0 +1,87 @@ +// 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 QPLATFORMSURFACECAPTURE_H +#define QPLATFORMSURFACECAPTURE_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 "qplatformvideosource_p.h" +#include "qscreen.h" +#include "qcapturablewindow.h" +#include "qpointer.h" +#include "private/qerrorinfo_p.h" + +#include <optional> +#include <variant> + +QT_BEGIN_NAMESPACE + +class QVideoFrame; + +class Q_MULTIMEDIA_EXPORT QPlatformSurfaceCapture : public QPlatformVideoSource +{ + Q_OBJECT + +public: + enum Error { + NoError = 0, + InternalError = 1, + CapturingNotSupported = 2, + CaptureFailed = 4, + NotFound = 5, + }; + + using ScreenSource = QPointer<QScreen>; + using WindowSource = QCapturableWindow; + + using Source = std::variant<ScreenSource, WindowSource>; + + explicit QPlatformSurfaceCapture(Source initialSource); + + void setActive(bool active) override; + bool isActive() const override; + + void setSource(Source source); + + template<typename Type> + Type source() const { + return *q_check_ptr(std::get_if<Type>(&m_source)); + } + + Source source() const { return m_source; } + + Error error() const; + QString errorString() const final; + +protected: + virtual bool setActiveInternal(bool) = 0; + + bool checkScreenWithError(ScreenSource &screen); + +public Q_SLOTS: + void updateError(Error error, const QString &errorString); + +Q_SIGNALS: + void sourceChanged(WindowSource); + void sourceChanged(ScreenSource); + void errorOccurred(Error error, QString errorString); + +private: + QErrorInfo<Error> m_error; + Source m_source; + bool m_active = false; +}; + +QT_END_NAMESPACE + +#endif // QPLATFORMSURFACECAPTURE_H |