author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 15:51:22 +0300 | |
changeset 1 | 2b40d63a9c3d |
child 11 | 06b8e2af4411 |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the Qt Mobility Components. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#ifndef QGSTXVIMAGEBUFFER_H |
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#define QGSTXVIMAGEBUFFER_H |
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#include <QtMultimedia/qabstractvideobuffer.h> |
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#include <QtMultimedia/qvideosurfaceformat.h> |
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#include <QtCore/qmutex.h> |
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#include <QtCore/qwaitcondition.h> |
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#include <QtCore/qqueue.h> |
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#include <X11/Xlib.h> |
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#include <sys/ipc.h> |
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#include <sys/shm.h> |
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#include <X11/extensions/XShm.h> |
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#include <X11/Xlib.h> |
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#include <X11/extensions/Xv.h> |
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#include <X11/extensions/Xvlib.h> |
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#include <gst/gst.h> |
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class QGstXvImageBufferPool; |
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struct QGstXvImageBuffer { |
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GstBuffer buffer; |
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QGstXvImageBufferPool *pool; |
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XvImage *xvImage; |
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XShmSegmentInfo shmInfo; |
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bool markedForDeletion; |
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static GType get_type(void); |
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static void class_init(gpointer g_class, gpointer class_data); |
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static void buffer_init(QGstXvImageBuffer *xvimage, gpointer g_class); |
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static void buffer_finalize(QGstXvImageBuffer * xvimage); |
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static GstBufferClass *parent_class; |
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}; |
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const QAbstractVideoBuffer::HandleType XvHandleType = QAbstractVideoBuffer::HandleType(4); |
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Q_DECLARE_METATYPE(XvImage*) |
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class QGstXvImageBufferPool : public QObject { |
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Q_OBJECT |
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friend class QGstXvImageBuffer; |
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public: |
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QGstXvImageBufferPool(QObject *parent = 0); |
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virtual ~QGstXvImageBufferPool(); |
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bool isFormatSupported(const QVideoSurfaceFormat &format); |
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QGstXvImageBuffer *takeBuffer(const QVideoSurfaceFormat &format, GstCaps *caps); |
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void clear(); |
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private slots: |
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void queuedAlloc(); |
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void queuedDestroy(); |
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void doClear(); |
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void recycleBuffer(QGstXvImageBuffer *); |
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void destroyBuffer(QGstXvImageBuffer *); |
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102 |
|
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103 |
private: |
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struct XvShmImage { |
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XvImage *xvImage; |
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XShmSegmentInfo shmInfo; |
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}; |
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108 |
|
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QMutex m_poolMutex; |
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QMutex m_allocMutex; |
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QWaitCondition m_allocWaitCondition; |
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QMutex m_destroyMutex; |
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QVideoSurfaceFormat m_format; |
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GstCaps *m_caps; |
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QList<QGstXvImageBuffer*> m_pool; |
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QList<QGstXvImageBuffer*> m_allBuffers; |
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QList<XvShmImage> m_imagesToDestroy; |
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}; |
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119 |
|
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#endif |