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Diffstat (limited to 'src/multimedia/video/qabstractvideosurface.h')
-rw-r--r-- | src/multimedia/video/qabstractvideosurface.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/multimedia/video/qabstractvideosurface.h b/src/multimedia/video/qabstractvideosurface.h new file mode 100644 index 000000000..37c4d385f --- /dev/null +++ b/src/multimedia/video/qabstractvideosurface.h @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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 QABSTRACTVIDEOSURFACE_H +#define QABSTRACTVIDEOSURFACE_H + +#include <QtCore/qobject.h> +#include <qvideoframe.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + + +class QRectF; +class QVideoSurfaceFormat; + +class QAbstractVideoSurfacePrivate; + +class Q_MULTIMEDIA_EXPORT QAbstractVideoSurface : public QObject +{ + Q_OBJECT + Q_PROPERTY(QSize nativeResolution READ nativeResolution NOTIFY nativeResolutionChanged) +public: + enum Error + { + NoError, + UnsupportedFormatError, + IncorrectFormatError, + StoppedError, + ResourceError + }; + + explicit QAbstractVideoSurface(QObject *parent = 0); + ~QAbstractVideoSurface(); + + virtual QList<QVideoFrame::PixelFormat> 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; + + QSize nativeResolution() 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(); + void nativeResolutionChanged(const QSize &); + +protected: + QAbstractVideoSurface(QAbstractVideoSurfacePrivate &dd, QObject *parent); + + void setError(Error error); + void setNativeResolution(const QSize &resolution); + +private: + Q_DECLARE_PRIVATE(QAbstractVideoSurface) +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |