--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/wmp/qevrvideooverlay.cpp Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,327 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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>
+#include <wmp.h>
+
+QEvrVideoOverlay::QEvrVideoOverlay(HINSTANCE evrHwnd)
+ : m_ref(1)
+ , m_evrHwnd(evrHwnd)
+ , ptrMFCreateVideoPresenter(0)
+ , m_presenter(0)
+ , m_displayControl(0)
+ , m_aspectRatioMode(Qt::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)
+{
+ m_winId = id;
+
+ if (m_displayControl) {
+ m_displayControl->SetVideoWindow(id);
+ m_displayControl->SetAspectRatioMode(m_aspectRatioMode == Qt::KeepAspectRatio
+ ? MFVideoARMode_PreservePicture
+ : MFVideoARMode_None);
+
+ setDisplayRect(m_displayRect);
+ }
+}
+
+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() };
+
+ if (m_aspectRatioMode == Qt::KeepAspectRatioByExpanding) {
+ SIZE size;
+ m_displayControl->GetNativeVideoSize(&size, 0);
+
+ QSize clippedSize = rect.size();
+ clippedSize.scale(size.cx, size.cy, Qt::KeepAspectRatio);
+
+ long x = (size.cx - clippedSize.width()) / 2;
+ long y = (size.cy - clippedSize.height()) / 2;
+
+ MFVideoNormalizedRect sourceRect =
+ {
+ float(x) / size.cx,
+ float(y) / size.cy,
+ float(x + clippedSize.width()) / size.cx,
+ float(y + clippedSize.height()) / size.cy
+ };
+ m_displayControl->SetVideoPosition(&sourceRect, &displayRect);
+ } else {
+ 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();
+ }
+}
+
+Qt::AspectRatioMode QEvrVideoOverlay::aspectRatioMode() const
+{
+ return m_aspectRatioMode;
+}
+
+void QEvrVideoOverlay::setAspectRatioMode(Qt::AspectRatioMode mode)
+{
+ m_aspectRatioMode = mode;
+
+ if (m_displayControl) {
+ m_displayControl->SetAspectRatioMode(mode == Qt::KeepAspectRatio
+ ? MFVideoARMode_PreservePicture
+ : MFVideoARMode_None);
+ setDisplayRect(m_displayRect);
+ }
+}
+
+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) {
+ m_displayControl->AddRef();
+ m_displayControl->SetVideoWindow(m_winId);
+ m_displayControl->SetAspectRatioMode(m_aspectRatioMode == Qt::KeepAspectRatio
+ ? MFVideoARMode_PreservePicture
+ : MFVideoARMode_None);
+
+ setDisplayRect(m_displayRect);
+ }
+}
+
+void QEvrVideoOverlay::openStateChanged(long state)
+{
+ if (state == wmposMediaOpen) {
+ setDisplayRect(m_displayRect);
+
+ emit nativeSizeChanged();
+ }
+};
+
+// 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;
+}