1 files changed, 91 insertions, 0 deletions
diff --git a/src/plugins/mediaservices/directshow/mediaplayer/mediasamplevideobuffer.cpp b/src/plugins/mediaservices/directshow/mediaplayer/mediasamplevideobuffer.cpp
new file mode 100644
index 0000000..7eff226
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+++ b/src/plugins/mediaservices/directshow/mediaplayer/mediasamplevideobuffer.cpp
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "mediasamplevideobuffer.h"
+
+
+QT_BEGIN_NAMESPACE
+
+MediaSampleVideoBuffer::MediaSampleVideoBuffer(IMediaSample *sample, int bytesPerLine)
+    : QAbstractVideoBuffer(NoHandle)
+    , m_sample(sample)
+    , m_bytesPerLine(m_bytesPerLine)
+    , m_mapMode(NotMapped)
+{
+    m_sample->AddRef();
+}
+
+MediaSampleVideoBuffer::~MediaSampleVideoBuffer()
+{
+    m_sample->Release();
+}
+
+uchar *MediaSampleVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine)
+{
+    if (m_mapMode == NotMapped && mode != NotMapped) {
+        if (numBytes)
+            *numBytes = m_sample->GetActualDataLength();
+
+        if (bytesPerLine)
+            *bytesPerLine = m_bytesPerLine;
+
+        BYTE *bytes = 0;
+
+        if (m_sample->GetPointer(&bytes) == S_OK) {
+            m_mapMode = mode;
+
+            return reinterpret_cast<uchar *>(bytes);
+        }
+    }
+    return 0;
+}
+
+void MediaSampleVideoBuffer::unmap()
+{
+    m_mapMode = NotMapped;
+}
+
+QAbstractVideoBuffer::MapMode MediaSampleVideoBuffer::mapMode() const
+{
+    return m_mapMode;
+}
+
+QT_END_NAMESPACE