Change-Id: I08fe8f7e75bdbf2c4975863642072061741b5bc6 Reviewed-by: Filipe Azevedo <filipe.azevedo@kdab.com> Reviewed-by: Sean Harmer <sean.harmer@kdab.com> Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
125 lines
3.8 KiB
Objective-C
125 lines
3.8 KiB
Objective-C
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef AVFCAMERASESSION_H
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#define AVFCAMERASESSION_H
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#include <QtCore/qmutex.h>
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#include <QtMultimedia/qcamera.h>
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#include <QVideoFrame>
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#import <AVFoundation/AVFoundation.h>
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@class AVFCameraSessionObserver;
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QT_BEGIN_NAMESPACE
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class AVFCameraControl;
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class AVFCameraService;
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class AVFCameraRendererControl;
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class AVFMediaVideoProbeControl;
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struct AVFCameraInfo
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{
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AVFCameraInfo() : position(QCamera::UnspecifiedPosition), orientation(0)
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{ }
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QString description;
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QCamera::Position position;
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int orientation;
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};
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class AVFCameraSession : public QObject
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{
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Q_OBJECT
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public:
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AVFCameraSession(AVFCameraService *service, QObject *parent = 0);
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~AVFCameraSession();
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static const QByteArray &defaultCameraDevice();
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static const QList<QByteArray> &availableCameraDevices();
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static AVFCameraInfo cameraDeviceInfo(const QByteArray &device);
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void setVideoOutput(AVFCameraRendererControl *output);
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AVCaptureSession *captureSession() const { return m_captureSession; }
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AVCaptureDevice *videoCaptureDevice() const;
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QCamera::State state() const;
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QCamera::State requestedState() const { return m_state; }
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bool isActive() const { return m_active; }
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void addProbe(AVFMediaVideoProbeControl *probe);
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void removeProbe(AVFMediaVideoProbeControl *probe);
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public Q_SLOTS:
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void setState(QCamera::State state);
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void processRuntimeError();
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void processSessionStarted();
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void processSessionStopped();
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void onCameraFrameFetched(const QVideoFrame &frame);
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Q_SIGNALS:
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void readyToConfigureConnections();
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void stateChanged(QCamera::State newState);
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void activeChanged(bool);
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void error(int error, const QString &errorString);
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private:
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static void updateCameraDevices();
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void attachInputDevices();
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static QByteArray m_defaultCameraDevice;
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static QList<QByteArray> m_cameraDevices;
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static QMap<QByteArray, AVFCameraInfo> m_cameraInfo;
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AVFCameraService *m_service;
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AVFCameraRendererControl *m_videoOutput;
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QCamera::State m_state;
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bool m_active;
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AVCaptureSession *m_captureSession;
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AVCaptureDeviceInput *m_videoInput;
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AVCaptureDeviceInput *m_audioInput;
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AVFCameraSessionObserver *m_observer;
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QSet<AVFMediaVideoProbeControl *> m_videoProbes;
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QMutex m_videoProbesMutex;
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};
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QT_END_NAMESPACE
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#endif
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