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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef AVFCAMERASESSION_H
-#define AVFCAMERASESSION_H
-
-#include <QtCore/qmutex.h>
-#include <QtMultimedia/qcamera.h>
-#include <QVideoFrame>
-
-#import <AVFoundation/AVFoundation.h>
-
-@class AVFCameraSessionObserver;
-
-QT_BEGIN_NAMESPACE
-
-class AVFCameraControl;
-class AVFCameraService;
-class AVFCameraRendererControl;
-class AVFMediaVideoProbeControl;
-class AVFCameraWindowControl;
-
-struct AVFCameraInfo
-{
- AVFCameraInfo() : position(QCamera::UnspecifiedPosition), orientation(0)
- { }
-
- QByteArray deviceId;
- QString description;
- QCamera::Position position;
- int orientation;
-};
-
-class AVFCameraSession : public QObject
-{
- Q_OBJECT
-public:
- AVFCameraSession(AVFCameraService *service, QObject *parent = nullptr);
- ~AVFCameraSession();
-
- static int defaultCameraIndex();
- static const QList<AVFCameraInfo> &availableCameraDevices();
- static AVFCameraInfo cameraDeviceInfo(const QByteArray &device);
- AVFCameraInfo activeCameraInfo() const { return m_activeCameraInfo; }
-
- void setVideoOutput(AVFCameraRendererControl *output);
- void setCapturePreviewOutput(AVFCameraWindowControl *output);
- AVCaptureSession *captureSession() const { return m_captureSession; }
- AVCaptureDevice *videoCaptureDevice() const;
-
- QCamera::State state() const;
- QCamera::State requestedState() const { return m_state; }
- bool isActive() const { return m_active; }
-
- void addProbe(AVFMediaVideoProbeControl *probe);
- void removeProbe(AVFMediaVideoProbeControl *probe);
- FourCharCode defaultCodec();
-
- AVCaptureDeviceInput *videoInput() const {return m_videoInput;}
-
-public Q_SLOTS:
- void setState(QCamera::State state);
-
- void processRuntimeError();
- void processSessionStarted();
- void processSessionStopped();
-
- void onCaptureModeChanged(QCamera::CaptureModes mode);
-
- void onCameraFrameFetched(const QVideoFrame &frame);
-
-Q_SIGNALS:
- void readyToConfigureConnections();
- void stateChanged(QCamera::State newState);
- void activeChanged(bool);
- void newViewfinderFrame(const QVideoFrame &frame);
- void error(int error, const QString &errorString);
-
-private:
- static void updateCameraDevices();
- void attachVideoInputDevice();
- bool applyImageEncoderSettings();
- bool applyViewfinderSettings();
-
- static int m_defaultCameraIndex;
- static QList<AVFCameraInfo> m_cameraDevices;
- AVFCameraInfo m_activeCameraInfo;
-
- AVFCameraService *m_service;
- AVFCameraRendererControl *m_videoOutput;
- AVFCameraWindowControl *m_capturePreviewWindowOutput;
-
- QCamera::State m_state;
- bool m_active;
-
- AVCaptureSession *m_captureSession;
- AVCaptureDeviceInput *m_videoInput;
- AVFCameraSessionObserver *m_observer;
-
- QSet<AVFMediaVideoProbeControl *> m_videoProbes;
- QMutex m_videoProbesMutex;
-
- FourCharCode m_defaultCodec;
-};
-
-QT_END_NAMESPACE
-
-#endif