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qTox/src/video/camerasource.h

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2.0 KiB
C++

/*
Copyright © 2015-2018 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/>.
*/
#ifndef CAMERA_H
#define CAMERA_H
#include "src/video/videomode.h"
#include "src/video/videosource.h"
#include <QFuture>
#include <QHash>
#include <QReadWriteLock>
#include <QString>
#include <QVector>
#include <atomic>
class CameraDevice;
struct AVCodecContext;
class CameraSource : public VideoSource
{
Q_OBJECT
public:
static CameraSource& getInstance();
static void destroyInstance();
void setupDefault();
bool isNone() const;
// VideoSource interface
virtual void subscribe() override;
virtual void unsubscribe() override;
public slots:
void setupDevice(const QString& deviceName, const VideoMode& mode);
signals:
void deviceOpened();
void openFailed();
private:
CameraSource();
~CameraSource();
void stream();
private slots:
void openDevice();
void closeDevice();
private:
QFuture<void> streamFuture;
QThread* deviceThread;
QString deviceName;
CameraDevice* device;
VideoMode mode;
AVCodecContext* cctx;
// TODO: Remove when ffmpeg version will be bumped to the 3.1.0
AVCodecContext* cctxOrig;
int videoStreamIndex;
QReadWriteLock deviceMutex;
QReadWriteLock streamMutex;
std::atomic_bool _isNone;
std::atomic_int subscriptions;
static CameraSource* instance;
};
#endif // CAMERA_H