corevideosource.h

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/*
    Copyright © 2015-2019 by The qTox Project Contributors
 
    This file is part of qTox, a Qt-based graphical interface for Tox.
 
    qTox 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.
 
    qTox 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 qTox.  If not, see <http://www.gnu.org/licenses/>.
*/
 
 
#pragma once
 
#include "videosource.h"
#include <QMutex>
#include <atomic>
#include <vpx/vpx_image.h>
 
class CoreVideoSource : public VideoSource
{
    Q_OBJECT
public:
    // VideoSource interface
    void subscribe() override;
    void unsubscribe() override;
 
private:
    CoreVideoSource();
 
    void pushFrame(const vpx_image_t* frame);
    void setDeleteOnClose(bool newstate);
 
    void stopSource();
    void restartSource();
 
private:
    std::atomic_int subscribers;
    std::atomic_bool deleteOnClose;
    QMutex biglock;
    std::atomic_bool stopped;
 
    friend class CoreAV;
    friend class ToxFriendCall;
};