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64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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Copyright © 2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef COREVIDEOSOURCE_H
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#define COREVIDEOSOURCE_H
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#include <vpx/vpx_image.h>
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#include <atomic>
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#include "videosource.h"
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#include <QMutex>
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/// A VideoSource that emits frames received by Core
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class CoreVideoSource : public VideoSource
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{
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Q_OBJECT
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public:
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// VideoSource interface
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virtual bool subscribe() override;
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virtual void unsubscribe() override;
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private:
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// Only CoreAV should create a CoreVideoSource since
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// only CoreAV can push images to it
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CoreVideoSource();
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/// Makes a copy of the vpx_image_t and emits it as a new VideoFrame
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void pushFrame(const vpx_image_t *frame);
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/// If true, self-delete after the last suscriber is gone
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void setDeleteOnClose(bool newstate);
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/// Stopping the source will block any pushFrame calls from doing anything
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/// See the callers in CoreAV for the rationale
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void stopSource();
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void restartSource();
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private:
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std::atomic_int subscribers; ///< Number of suscribers
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std::atomic_bool deleteOnClose; ///< If true, self-delete after the last suscriber is gone
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QMutex biglock;
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std::atomic_bool stopped;
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friend class CoreAV;
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friend struct ToxFriendCall;
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};
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#endif // COREVIDEOSOURCE_H
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