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-rw-r--r--src/plugins/wmf/player/mfactivate.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/plugins/wmf/player/mfactivate.cpp b/src/plugins/wmf/player/mfactivate.cpp
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+++ b/src/plugins/wmf/player/mfactivate.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "mfactivate.h"
+
+#include <mfapi.h>
+
+MFAbstractActivate::MFAbstractActivate()
+ : m_attributes(0)
+ , m_cRef(1)
+{
+ MFCreateAttributes(&m_attributes, 0);
+}
+
+MFAbstractActivate::~MFAbstractActivate()
+{
+ if (m_attributes)
+ m_attributes->Release();
+}
+
+
+HRESULT MFAbstractActivate::QueryInterface(REFIID riid, LPVOID *ppvObject)
+{
+ if (!ppvObject)
+ return E_POINTER;
+ if (riid == IID_IMFActivate) {
+ *ppvObject = static_cast<IMFActivate*>(this);
+ } else if (riid == IID_IMFAttributes) {
+ *ppvObject = static_cast<IMFAttributes*>(this);
+ } else if (riid == IID_IUnknown) {
+ *ppvObject = static_cast<IUnknown*>(static_cast<IMFActivate*>(this));
+ } else {
+ *ppvObject = NULL;
+ return E_NOINTERFACE;
+ }
+ AddRef();
+ return S_OK;
+}
+
+ULONG MFAbstractActivate::AddRef(void)
+{
+ return InterlockedIncrement(&m_cRef);
+}
+
+ULONG MFAbstractActivate::Release(void)
+{
+ ULONG cRef = InterlockedDecrement(&m_cRef);
+ if (cRef == 0)
+ delete this;
+ return cRef;
+}