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Diffstat (limited to 'src/plugins/gstreamer/qabstractgstbufferpool.h')
-rw-r--r-- | src/plugins/gstreamer/qabstractgstbufferpool.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/qabstractgstbufferpool.h b/src/plugins/gstreamer/qabstractgstbufferpool.h new file mode 100644 index 000000000..8681dac71 --- /dev/null +++ b/src/plugins/gstreamer/qabstractgstbufferpool.h @@ -0,0 +1,75 @@ +/**************************************************************************** +** +** 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 Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGSTBUFFERPOOL_H +#define QGSTBUFFERPOOL_H + +#include <qabstractvideobuffer.h> +#include <qvideosurfaceformat.h> + +#include <gst/gst.h> + +/*! + Abstract interface for video buffers allocation. +*/ +class QAbstractGstBufferPool +{ +public: + virtual ~QAbstractGstBufferPool() {} + + virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const = 0; + + virtual GType bufferType() const = 0; + virtual GstBuffer *takeBuffer(const QVideoSurfaceFormat &format, GstCaps *caps) = 0; + virtual void clear() = 0; + + virtual QAbstractVideoBuffer::HandleType handleType() const = 0; + + /*! + Build an QAbstractVideoBuffer instance from compatible (mathcing gst buffer type) + GstBuffer. + + This method is called from gstreamer video sink thread. + */ + virtual QAbstractVideoBuffer *prepareVideoBuffer(GstBuffer *buffer, int bytesPerLine) = 0; +}; + +#endif |