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qTox/src/video/videosource.h
Zetok Zalbavar 67e9aeec63
Fix incorrect copyright headers
The qTox Project is not associated with the Tox Project in any way, with the
exception of "qTox" using the Tox Projet's "toxcore" collection of libraries.
In particular, the Tox Projet does not own copyright over the qTox Project's
"qTox" collection of software, source code, and assets.
The qTox Project's assets are under the sole copyright of the qTox
contributors, and no partiular rights are granted to the Tox Project.
2015-06-06 14:51:28 +01:00

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1.4 KiB
C++

/*
Copyright © 2014-2015 by The qTox Project
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/>.
*/
#ifndef VIDEOSOURCE_H
#define VIDEOSOURCE_H
#include <QObject>
#include <memory>
class VideoFrame;
/// An abstract source of video frames
/// When it has at least one subscriber the source will emit new video frames
/// Subscribing is recursive, multiple users can subscribe to the same VideoSource
class VideoSource : public QObject
{
Q_OBJECT
public:
/// If subscribe sucessfully opens the source, it will start emitting frameAvailable signals
virtual bool subscribe() = 0;
/// Stop emitting frameAvailable signals, and free associated resources if necessary
virtual void unsubscribe() = 0;
signals:
void frameAvailable(std::shared_ptr<VideoFrame> frame);
};
#endif // VIDEOSOURCE_H