| /**************************************************************************** |
| ** |
| ** 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; |
| |
| 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); |
| 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; |
| |
| 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 |