/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtMultimedia module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** GNU Lesser General Public License Usage ** Alternatively, 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. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QABSTRACTVIDEOSURFACE_H #define QABSTRACTVIDEOSURFACE_H #include #include QT_BEGIN_HEADER QT_BEGIN_NAMESPACE QT_MODULE(Multimedia) class QRectF; class QVideoSurfaceFormat; class QAbstractVideoSurfacePrivate; class Q_MULTIMEDIA_EXPORT QAbstractVideoSurface : public QObject { Q_OBJECT public: enum Error { NoError, UnsupportedFormatError, IncorrectFormatError, StoppedError, ResourceError }; explicit QAbstractVideoSurface(QObject *parent = 0); ~QAbstractVideoSurface(); virtual QList supportedPixelFormats( QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const = 0; virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const; virtual QVideoSurfaceFormat nearestFormat(const QVideoSurfaceFormat &format) const; QVideoSurfaceFormat surfaceFormat() const; virtual bool start(const QVideoSurfaceFormat &format); virtual void stop(); bool isActive() const; virtual bool present(const QVideoFrame &frame) = 0; Error error() const; Q_SIGNALS: void activeChanged(bool active); void surfaceFormatChanged(const QVideoSurfaceFormat &format); void supportedFormatsChanged(); protected: QAbstractVideoSurface(QAbstractVideoSurfacePrivate &dd, QObject *parent); void setError(Error error); private: Q_DECLARE_PRIVATE(QAbstractVideoSurface) }; QT_END_NAMESPACE QT_END_HEADER #endif