QuickTime media backend: Render CIImage based video frames directly with

OpenGL paint engine.
This makes video rendering with QGraphicsVideoItem much faster on
64 bits systems.

Reviewed-by: Justin McPherson

1 files changed, 90 insertions, 0 deletions

diff --git a/src/plugins/mediaservices/qt7/qt7ciimagevideobuffer.h b/src/plugins/mediaservices/qt7/qt7ciimagevideobuffer.h
new file mode 100644
index 0000000..669724f
--- /dev/null
+++ b/src/plugins/mediaservices/qt7/qt7ciimagevideobuffer.h
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** 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 QT7CIIMAGEVIDEOBUFFER_H
+#define QT7CIIMAGEVIDEOBUFFER_H
+
+#include "qt7backend.h"
+#import <QTKit/QTKit.h>
+
+#include <QtCore/qvariant.h>
+#include <QtMultimedia/qabstractvideobuffer.h>
+
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QT7CIImageVideoBuffer : public QAbstractVideoBuffer
+{
+public:
+    QT7CIImageVideoBuffer(CIImage *image);
+
+    virtual ~QT7CIImageVideoBuffer();
+
+    MapMode mapMode() const;
+    uchar *map(MapMode mode, int *numBytes, int *bytesPerLine);
+    void unmap();
+    QVariant handle() const;
+
+private:
+    CIImage *m_image;
+    NSBitmapImageRep *m_buffer;
+    MapMode m_mode;
+};
+
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif