Initial implementation of Mac camera backend

Based on AVFoundation framework Change-Id: If4cfd105a592f50b42606624548b9ffc870e3e47 Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>
2012-08-17 13:44:14 +10:00
parent 09a7fda971
commit 37b872da9e
27 changed files with 3009 additions and 0 deletions
--- a/src/plugins/avfoundation/camera/avfcamerasession.h
+++ b/src/plugins/avfoundation/camera/avfcamerasession.h
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef AVFCAMERASESSION_H
+#define AVFCAMERASESSION_H
+
+#include <QtCore/qmutex.h>
+#include <QtMultimedia/qcamera.h>
+
+#import <AVFoundation/AVFoundation.h>
+
+QT_BEGIN_NAMESPACE
+
+class AVFCameraControl;
+class AVFCameraService;
+class AVFVideoRendererControl;
+@class AVFCameraSessionObserver;
+
+class AVFCameraSession : public QObject
+{
+    Q_OBJECT
+public:
+    AVFCameraSession(AVFCameraService *service, QObject *parent = 0);
+    ~AVFCameraSession();
+
+    void setVideoOutput(AVFVideoRendererControl *output);
+    AVCaptureSession *captureSession() const { return m_captureSession; }
+
+    QCamera::State state() const;
+    QCamera::State requestedState() const { return m_state; }
+    bool isActive() const { return m_active; }
+
+public Q_SLOTS:
+    void setState(QCamera::State state);
+
+    void processRuntimeError();
+    void processSessionStarted();
+    void processSessionStopped();
+
+Q_SIGNALS:
+    void readyToConfigureConnections();
+    void stateChanged(QCamera::State newState);
+    void activeChanged(bool);
+    void error(int error, const QString &errorString);
+
+private:
+    void attachInputDevices();
+
+    AVFCameraService *m_service;
+    AVFVideoRendererControl *m_videoOutput;
+
+    QCamera::State m_state;
+    bool m_active;
+
+    AVCaptureSession *m_captureSession;
+    AVCaptureDeviceInput *m_videoInput;
+    AVCaptureDeviceInput *m_audioInput;
+    AVFCameraSessionObserver *m_observer;
+};
+
+QT_END_NAMESPACE
+
+#endif