| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
|---|
| 3 | |
|---|
| 4 | #ifndef QPLATFORMSURFACECAPTURE_H |
|---|
| 5 | #define QPLATFORMSURFACECAPTURE_H |
|---|
| 6 | |
|---|
| 7 | // |
|---|
| 8 | // W A R N I N G |
|---|
| 9 | // ------------- |
|---|
| 10 | // |
|---|
| 11 | // This file is not part of the Qt API. It exists purely as an |
|---|
| 12 | // implementation detail. This header file may change from version to |
|---|
| 13 | // version without notice, or even be removed. |
|---|
| 14 | // |
|---|
| 15 | // We mean it. |
|---|
| 16 | // |
|---|
| 17 | |
|---|
| 18 | #include "qplatformvideosource_p.h" |
|---|
| 19 | #include "qscreen.h" |
|---|
| 20 | #include "qcapturablewindow.h" |
|---|
| 21 | #include "qpointer.h" |
|---|
| 22 | #include "private/qerrorinfo_p.h" |
|---|
| 23 | |
|---|
| 24 | #include <optional> |
|---|
| 25 | #include <variant> |
|---|
| 26 | |
|---|
| 27 | QT_BEGIN_NAMESPACE |
|---|
| 28 | |
|---|
| 29 | class QVideoFrame; |
|---|
| 30 | |
|---|
| 31 | class Q_MULTIMEDIA_EXPORT QPlatformSurfaceCapture : public QPlatformVideoSource |
|---|
| 32 | { |
|---|
| 33 | Q_OBJECT |
|---|
| 34 | |
|---|
| 35 | public: |
|---|
| 36 | enum Error { |
|---|
| 37 | NoError = 0, |
|---|
| 38 | InternalError = 1, |
|---|
| 39 | CapturingNotSupported = 2, |
|---|
| 40 | CaptureFailed = 4, |
|---|
| 41 | NotFound = 5, |
|---|
| 42 | }; |
|---|
| 43 | |
|---|
| 44 | using ScreenSource = QPointer<QScreen>; |
|---|
| 45 | using WindowSource = QCapturableWindow; |
|---|
| 46 | |
|---|
| 47 | using Source = std::variant<ScreenSource, WindowSource>; |
|---|
| 48 | |
|---|
| 49 | explicit QPlatformSurfaceCapture(Source initialSource); |
|---|
| 50 | |
|---|
| 51 | void setActive(bool active) override; |
|---|
| 52 | bool isActive() const override; |
|---|
| 53 | |
|---|
| 54 | void setSource(Source source); |
|---|
| 55 | |
|---|
| 56 | template<typename Type> |
|---|
| 57 | Type source() const { |
|---|
| 58 | return *q_check_ptr(std::get_if<Type>(&m_source)); |
|---|
| 59 | } |
|---|
| 60 | |
|---|
| 61 | Source source() const { return m_source; } |
|---|
| 62 | |
|---|
| 63 | Error error() const; |
|---|
| 64 | QString errorString() const final; |
|---|
| 65 | |
|---|
| 66 | protected: |
|---|
| 67 | virtual bool setActiveInternal(bool) = 0; |
|---|
| 68 | |
|---|
| 69 | bool checkScreenWithError(ScreenSource &screen); |
|---|
| 70 | |
|---|
| 71 | public Q_SLOTS: |
|---|
| 72 | void updateError(Error error, const QString &errorString); |
|---|
| 73 | |
|---|
| 74 | Q_SIGNALS: |
|---|
| 75 | void sourceChanged(WindowSource); |
|---|
| 76 | void sourceChanged(ScreenSource); |
|---|
| 77 | void errorOccurred(Error error, QString errorString); |
|---|
| 78 | |
|---|
| 79 | private: |
|---|
| 80 | QErrorInfo<Error> m_error; |
|---|
| 81 | Source m_source; |
|---|
| 82 | bool m_active = false; |
|---|
| 83 | }; |
|---|
| 84 | |
|---|
| 85 | QT_END_NAMESPACE |
|---|
| 86 | |
|---|
| 87 | #endif // QPLATFORMSURFACECAPTURE_H |
|---|
| 88 | |
|---|
