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qTox/src/video/videosurface.h

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/*
This file is part of qTox, a Qt-based graphical interface for Tox.
This program is libre 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 3 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 COPYING file for more details.
*/
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#ifndef SELFCAMVIEW_H
#define SELFCAMVIEW_H
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#include <QWidget>
#include <memory>
#include <atomic>
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#include "src/video/videosource.h"
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class VideoSurface : public QWidget
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{
Q_OBJECT
public:
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VideoSurface(QWidget* parent=0);
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VideoSurface(VideoSource* source, QWidget* parent=0);
~VideoSurface();
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void setSource(VideoSource* src); //NULL is a valid option
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protected:
void subscribe();
void unsubscribe();
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virtual void paintEvent(QPaintEvent * event) override;
private slots:
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void onNewFrameAvailable(std::shared_ptr<VideoFrame> newFrame);
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private:
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VideoSource* source;
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std::shared_ptr<VideoFrame> lastFrame;
std::atomic_bool frameLock; ///< Fast lock for lastFrame
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bool hasSubscribed;
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};
#endif // SELFCAMVIEW_H