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qTox/src/video/cameradevice.h
2016-07-27 01:23:27 +03:00

72 lines
2.0 KiB
C++

/*
Copyright © 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 CAMERADEVICE_H
#define CAMERADEVICE_H
#include <QHash>
#include <QString>
#include <QMutex>
#include <QVector>
#include <atomic>
#include "videomode.h"
struct AVFormatContext;
struct AVInputFormat;
struct AVDeviceInfoList;
struct AVDictionary;
class CameraDevice
{
public:
static CameraDevice* open(QString devName, VideoMode mode = VideoMode());
void open();
bool close();
static QVector<QPair<QString, QString>> getDeviceList();
static QVector<VideoMode> getVideoModes(QString devName);
static QString getPixelFormatString(uint32_t pixel_format);
static bool betterPixelFormat(uint32_t a, uint32_t b);
static QString getDefaultDeviceName();
static bool isScreen(const QString &devName);
private:
CameraDevice(const QString &devName, AVFormatContext *context);
static CameraDevice* open(QString devName, AVDictionary** options);
static bool getDefaultInputFormat();
static QVector<QPair<QString, QString> > getRawDeviceListGeneric();
static QVector<VideoMode> getScreenModes();
public:
const QString devName;
AVFormatContext* context;
private:
std::atomic_int refcount;
static QHash<QString, CameraDevice*> openDevices;
static QMutex openDeviceLock, iformatLock;
static AVInputFormat* iformat, *idesktopFormat;
};
#endif // CAMERADEVICE_H