/* * CameraPreview.hpp * Copyright (C) 2017 Belledonne Communications, Grenoble, France * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Created on: April 19, 2017 * Author: Ronan Abhamon */ #ifndef CAMERA_PREVIEW_H_ #define CAMERA_PREVIEW_H_ #include <QMutex> #include <QQuickFramebufferObject> // ============================================================================= class CameraPreview; struct ContextInfo; class CameraPreviewRenderer : public QQuickFramebufferObject::Renderer { friend class CameraPreview; public: CameraPreviewRenderer (); ~CameraPreviewRenderer (); protected: QOpenGLFramebufferObject *createFramebufferObject (const QSize &size) override; void render () override; void synchronize (QQuickFramebufferObject *item) override; private: void updateWindowId (); ContextInfo *mContextInfo; bool mUpdateContextInfo = false; QQuickWindow *mWindow = nullptr; }; // ----------------------------------------------------------------------------- class CameraPreview : public QQuickFramebufferObject { friend class CameraPreviewRenderer; Q_OBJECT; public: CameraPreview (QQuickItem *parent = Q_NULLPTR); ~CameraPreview (); QQuickFramebufferObject::Renderer *createRenderer () const override; private: QTimer *mRefreshTimer = nullptr; static QMutex mCounterMutex; static int mCounter; }; #endif // CAMERA_PREVIEW_H_