--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/wmp/qevrvideooverlay.cpp	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,305 @@
+/****************************************************************************
+**
+** 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 Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "qevrvideooverlay.h"
+
+#include <d3d9.h>
+
+QEvrVideoOverlay::QEvrVideoOverlay(HINSTANCE evrHwnd)
+    : m_ref(1)
+    , m_evrHwnd(evrHwnd)
+    , ptrMFCreateVideoPresenter(0)
+    , m_presenter(0)
+    , m_displayControl(0)
+    , m_aspectRatioMode(QVideoWidget::KeepAspectRatio)
+    , m_winId(0)
+    , m_fullScreen(0)
+{
+    ptrMFCreateVideoPresenter = reinterpret_cast<PtrMFCreateVideoPresenter>(
+            GetProcAddress(m_evrHwnd, "MFCreateVideoPresenter"));
+}
+
+QEvrVideoOverlay::~QEvrVideoOverlay()
+{
+    FreeLibrary(m_evrHwnd);
+}
+
+WId QEvrVideoOverlay::winId() const
+{
+    return m_winId;
+}
+
+void QEvrVideoOverlay::setWinId(WId id)
+{
+    if (m_displayControl) {
+        m_displayControl->SetVideoWindow(id);
+
+        QRect rect = m_displayRect;
+
+        RECT displayRect = { rect.left(), rect.top(), rect.right(), rect.bottom() };
+
+        m_displayControl->SetVideoPosition(0, &displayRect);
+    }
+
+    m_winId = id;
+}
+
+QRect QEvrVideoOverlay::displayRect() const
+{
+    return m_displayRect;
+}
+
+void QEvrVideoOverlay::setDisplayRect(const QRect &rect)
+{
+    if (m_displayControl) {
+        RECT displayRect = { rect.left(), rect.top(), rect.right(), rect.bottom() };
+
+        m_displayControl->SetVideoPosition(0, &displayRect);
+    }
+
+    m_displayRect = rect;
+}
+
+bool QEvrVideoOverlay::isFullScreen() const
+{
+    return m_fullScreen;
+}
+
+void QEvrVideoOverlay::setFullScreen(bool fullScreen)
+{
+    emit fullScreenChanged(m_fullScreen = fullScreen);
+}
+
+QSize QEvrVideoOverlay::nativeSize() const
+{
+    SIZE size;
+
+    if (m_displayControl && m_displayControl->GetNativeVideoSize(&size, 0) == S_OK) {
+        return QSize(size.cx, size.cy);
+    } else {
+        return QSize();
+    }
+}
+
+QVideoWidget::AspectRatioMode QEvrVideoOverlay::aspectRatioMode() const
+{
+    return m_aspectRatioMode;
+}
+
+void QEvrVideoOverlay::setAspectRatioMode(QVideoWidget::AspectRatioMode mode)
+{
+    switch (mode) {
+    case QVideoWidget::KeepAspectRatio:
+        if (m_displayControl)
+                m_displayControl->SetAspectRatioMode(MFVideoARMode_PreservePicture);
+
+        m_aspectRatioMode = mode;
+        break;
+    case QVideoWidget::IgnoreAspectRatio:
+        if (m_displayControl)
+                m_displayControl->SetAspectRatioMode(MFVideoARMode_None);
+
+        m_aspectRatioMode = mode;
+        break;
+    default:
+        break;
+    }
+}
+
+void QEvrVideoOverlay::repaint()
+{
+    if (m_displayControl)
+        m_displayControl->RepaintVideo();
+}
+
+int QEvrVideoOverlay::brightness() const
+{
+    return 0;
+}
+
+void QEvrVideoOverlay::setBrightness(int)
+{
+}
+
+int QEvrVideoOverlay::contrast() const
+{
+    return 0;
+}
+
+void QEvrVideoOverlay::setContrast(int)
+{
+}
+
+int QEvrVideoOverlay::hue() const
+{
+    return 0;
+}
+
+void QEvrVideoOverlay::setHue(int)
+{
+}
+
+int QEvrVideoOverlay::saturation() const
+{
+    return 0;
+}
+
+void QEvrVideoOverlay::setSaturation(int)
+{
+}
+
+void QEvrVideoOverlay::setDisplayControl(IMFVideoDisplayControl *control)
+{
+    if (m_displayControl)
+        m_displayControl->Release();
+
+    m_displayControl = control;
+
+    if (m_displayControl) {
+        QRect rect = displayRect();
+        RECT displayRect = { rect.left(), rect.top(), rect.right(), rect.bottom() };
+
+        m_displayControl->AddRef();
+        m_displayControl->SetVideoWindow(winId());
+        m_displayControl->SetVideoPosition(0, &displayRect);
+    }
+}
+
+// IUnknown
+HRESULT QEvrVideoOverlay::QueryInterface(REFIID riid, void **object)
+{
+    if (!object) {
+        return E_POINTER;
+    } else if (riid == __uuidof(IUnknown)
+            || riid == __uuidof(IMFAttributes)
+            || riid == __uuidof(IMFActivate)) {
+        *object = static_cast<IMFActivate *>(this);
+    } else {
+        return E_NOINTERFACE;
+    }
+
+    AddRef();
+
+    return S_OK;
+}
+
+ULONG QEvrVideoOverlay::AddRef()
+{
+    return InterlockedIncrement(&m_ref);
+}
+
+ULONG QEvrVideoOverlay::Release()
+{
+    ULONG ref = InterlockedDecrement(&m_ref);
+
+    Q_ASSERT(ref != 0);
+
+    return ref;
+}
+
+// IMFActivate
+HRESULT QEvrVideoOverlay::ActivateObject(REFIID riid, void **ppv)
+{
+    if (riid != __uuidof(IMFVideoPresenter)) {
+        return E_NOINTERFACE;
+    } else if (!ptrMFCreateVideoPresenter) {
+        return E_NOINTERFACE;
+    } else if (m_presenter) {
+        *ppv = m_presenter;
+
+        return S_OK;
+    } else {
+        IMFVideoDisplayControl *displayControl = 0;
+
+        IMFGetService *service;
+        HRESULT hr;
+        if ((hr = (*ptrMFCreateVideoPresenter)(
+                0,
+                __uuidof(IDirect3DDevice9),
+                __uuidof(IMFVideoPresenter),
+                reinterpret_cast<void **>(&m_presenter))) != S_OK) {
+            qWarning("failed to create video presenter");
+        } else if ((hr = m_presenter->QueryInterface(
+                __uuidof(IMFGetService), reinterpret_cast<void **>(&service))) != S_OK) {
+            qWarning("failed to query IMFGetService interface");
+        } else {
+            if ((hr = service->GetService(
+                    MR_VIDEO_RENDER_SERVICE,
+                    __uuidof(IMFVideoDisplayControl),
+                    reinterpret_cast<void **>(&displayControl))) != S_OK) {
+                qWarning("failed to get IMFVideoDisplayControl service");
+            }
+            service->Release();
+        }
+
+        setDisplayControl(displayControl);
+
+        if (m_presenter && hr != S_OK) {
+            m_presenter->Release();
+            m_presenter = 0;
+        }
+
+        *ppv = m_presenter;
+
+        return hr;
+    }
+}
+
+HRESULT QEvrVideoOverlay::ShutdownObject()
+{
+    setDisplayControl(0);
+
+    if (m_presenter) {
+        m_presenter->Release();
+        m_presenter = 0;
+    }
+    return S_OK;
+}
+
+HRESULT QEvrVideoOverlay::DetachObject()
+{
+    if (m_presenter) {
+        m_presenter->Release();
+        m_presenter = 0;
+    }
+
+    return S_OK;
+}