1 files changed, 131 insertions, 0 deletions
diff --git a/src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.h b/src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.h
new file mode 100644
index 0000000..beeb01f
--- /dev/null
+++ b/src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.h
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 QGSTXVIMAGEBUFFER_H
+#define QGSTXVIMAGEBUFFER_H
+
+#include <QtMultimedia/qabstractvideobuffer.h>
+#include <QtMultimedia/qvideosurfaceformat.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qwaitcondition.h>
+#include <QtCore/qqueue.h>
+
+#include <X11/Xlib.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <X11/extensions/XShm.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/Xv.h>
+#include <X11/extensions/Xvlib.h>
+
+
+#include <gst/gst.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+
+class QGstXvImageBufferPool;
+
+struct QGstXvImageBuffer {
+    GstBuffer buffer;
+    QGstXvImageBufferPool *pool;
+    XvImage *xvImage;
+    XShmSegmentInfo shmInfo;
+    bool markedForDeletion;
+
+    static GType get_type(void);
+    static void class_init(gpointer g_class, gpointer class_data);
+    static void buffer_init(QGstXvImageBuffer *xvimage, gpointer g_class);
+    static void buffer_finalize(QGstXvImageBuffer * xvimage);
+    static GstBufferClass *parent_class;
+};
+
+const QAbstractVideoBuffer::HandleType XvHandleType = QAbstractVideoBuffer::HandleType(4);
+
+Q_DECLARE_METATYPE(XvImage*)
+
+
+class QGstXvImageBufferPool : public QObject {
+Q_OBJECT
+friend class QGstXvImageBuffer;
+public:
+    QGstXvImageBufferPool(QObject *parent = 0);
+    virtual ~QGstXvImageBufferPool();
+
+    bool isFormatSupported(const QVideoSurfaceFormat &format);
+
+    QGstXvImageBuffer *takeBuffer(const QVideoSurfaceFormat &format, GstCaps *caps);
+    void clear();
+
+private slots:
+    void queuedAlloc();
+    void queuedDestroy();
+
+    void doClear();
+
+    void recycleBuffer(QGstXvImageBuffer *);
+    void destroyBuffer(QGstXvImageBuffer *);
+
+private:
+    struct XvShmImage {
+        XvImage *xvImage;
+        XShmSegmentInfo shmInfo;
+    };
+
+    QMutex m_poolMutex;
+    QMutex m_allocMutex;
+    QWaitCondition m_allocWaitCondition;
+    QMutex m_destroyMutex;
+    QVideoSurfaceFormat m_format;
+    GstCaps *m_caps;
+    QList<QGstXvImageBuffer*> m_pool;
+    QList<QGstXvImageBuffer*> m_allBuffers;
+    QList<XvShmImage> m_imagesToDestroy;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+
+#endif