1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QMEDIASERVICEPROVIDER_H 41 #define QMEDIASERVICEPROVIDER_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtCore/qobject.h> 55 #include <QtCore/qshareddata.h> 56 #include <qtmultimediaglobal.h> 57 #include "qmultimedia.h" 58 #include "qmediaserviceproviderplugin.h" 59 60 QT_BEGIN_NAMESPACE 61 62 63 class QMediaService; 64 65 class Q_MULTIMEDIA_EXPORT QMediaServiceProvider : public QObject 66 { 67 Q_OBJECT 68 69 public: 70 virtual QMediaService* requestService(const QByteArray &type, const QMediaServiceProviderHint &hint = QMediaServiceProviderHint()) = 0; 71 virtual void releaseService(QMediaService *service) = 0; 72 73 virtual QMediaServiceProviderHint::Features supportedFeatures(const QMediaService *service) const; 74 75 virtual QMultimedia::SupportEstimate hasSupport(const QByteArray &serviceType, 76 const QString &mimeType, 77 const QStringList& codecs, 78 int flags = 0) const; 79 virtual QStringList supportedMimeTypes(const QByteArray &serviceType, int flags = 0) const; 80 81 virtual QByteArray defaultDevice(const QByteArray &serviceType) const; 82 virtual QList<QByteArray> devices(const QByteArray &serviceType) const; 83 virtual QString deviceDescription(const QByteArray &serviceType, const QByteArray &device); 84 85 virtual QCamera::Position cameraPosition(const QByteArray &device) const; 86 virtual int cameraOrientation(const QByteArray &device) const; 87 88 static QMediaServiceProvider* defaultServiceProvider(); 89 static void setDefaultServiceProvider(QMediaServiceProvider *provider); 90 }; 91 92 QT_END_NAMESPACE 93 94 95 #endif // QMEDIASERVICEPROVIDER_H 96