Add Windows Media Foundation backend for QMediaPlayer
Task-number:QTMOBILITY-1606 Reviewed-by: Michael Goddard (cherry picked from commit bdf3a9b39661cfb836245139d02e95e854646a7e) (cherry picked from commit 8d2370953eb32bf44a037244e0d9f9b484875f7a) Change-Id: I07790b8c540a04e4e19a3d018a4884a773e980bf Reviewed-on: http://codereview.qt.nokia.com/2086 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Ling Hu <ling.hu@nokia.com>
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Michael Goddard
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Qt by Nokia
Qt by Nokia
parent
e45902822c
commit
1e4dda9710
351
src/plugins/wmf/player/evr9videowindowcontrol.cpp
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351
src/plugins/wmf/player/evr9videowindowcontrol.cpp
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "evr9videowindowcontrol.h"
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#include <QtCore/qdebug.h>
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#include <QtCore/qglobal.h>
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Evr9VideoWindowControl::Evr9VideoWindowControl(QObject *parent)
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: QVideoWindowControl(parent)
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, m_windowId(0)
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, m_dirtyValues(0)
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, m_aspectRatioMode(Qt::KeepAspectRatio)
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, m_brightness(0)
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, m_contrast(0)
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, m_hue(0)
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, m_saturation(0)
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, m_fullScreen(false)
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, m_currentActivate(0)
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, m_evrSink(0)
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, m_displayControl(0)
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{
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if (FAILED(MFCreateVideoRendererActivate(0, &m_currentActivate))) {
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qWarning() << "Failed to create evr video renderer activate!";
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return;
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}
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if (FAILED(m_currentActivate->ActivateObject(IID_IMFMediaSink, (LPVOID*)(&m_evrSink)))) {
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qWarning() << "Failed to activate evr media sink!";
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return;
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}
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if (FAILED(MFGetService(m_evrSink, MR_VIDEO_RENDER_SERVICE, IID_PPV_ARGS(&m_displayControl)))) {
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qWarning() << "Failed to get display control from evr media sink!";
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return;
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}
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if (FAILED(MFGetService(m_evrSink, MR_VIDEO_MIXER_SERVICE, IID_PPV_ARGS(&m_processor)))) {
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qWarning() << "Failed to get video processor from evr media sink!";
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return;
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}
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}
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Evr9VideoWindowControl::~Evr9VideoWindowControl()
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{
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if (m_processor)
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m_processor->Release();
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if (m_displayControl)
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m_displayControl->Release();
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if (m_evrSink)
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m_evrSink->Release();
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if (m_currentActivate) {
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m_currentActivate->ShutdownObject();
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m_currentActivate->Release();
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}
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}
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WId Evr9VideoWindowControl::winId() const
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{
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return m_windowId;
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}
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void Evr9VideoWindowControl::setWinId(WId id)
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{
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m_windowId = id;
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if (QWidget *widget = QWidget::find(m_windowId)) {
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const QColor color = widget->palette().color(QPalette::Window);
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m_windowColor = RGB(color.red(), color.green(), color.blue());
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}
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if (m_displayControl) {
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m_displayControl->SetVideoWindow(m_windowId);
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}
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}
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QRect Evr9VideoWindowControl::displayRect() const
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{
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return m_displayRect;
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}
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void Evr9VideoWindowControl::setDisplayRect(const QRect &rect)
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{
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m_displayRect = rect;
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if (m_displayControl) {
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RECT displayRect = { rect.left(), rect.top(), rect.right() + 1, rect.bottom() + 1 };
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QSize sourceSize = nativeSize();
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RECT sourceRect = { 0, 0, sourceSize.width(), sourceSize.height() };
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if (m_aspectRatioMode == Qt::KeepAspectRatioByExpanding) {
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QSize clippedSize = rect.size();
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clippedSize.scale(sourceRect.right, sourceRect.bottom, Qt::KeepAspectRatio);
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sourceRect.left = (sourceRect.right - clippedSize.width()) / 2;
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sourceRect.top = (sourceRect.bottom - clippedSize.height()) / 2;
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sourceRect.right = sourceRect.left + clippedSize.width();
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sourceRect.bottom = sourceRect.top + clippedSize.height();
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}
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if (sourceSize.width() > 0 && sourceSize.height() > 0) {
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MFVideoNormalizedRect sourceNormRect;
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sourceNormRect.left = float(sourceRect.left) / float(sourceRect.right);
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sourceNormRect.top = float(sourceRect.top) / float(sourceRect.bottom);
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sourceNormRect.right = float(sourceRect.right) / float(sourceRect.right);
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sourceNormRect.bottom = float(sourceRect.bottom) / float(sourceRect.bottom);
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m_displayControl->SetVideoPosition(&sourceNormRect, &displayRect);
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} else {
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m_displayControl->SetVideoPosition(NULL, &displayRect);
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}
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}
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}
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bool Evr9VideoWindowControl::isFullScreen() const
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{
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return m_fullScreen;
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}
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void Evr9VideoWindowControl::setFullScreen(bool fullScreen)
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{
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if (m_fullScreen == fullScreen)
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return;
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emit fullScreenChanged(m_fullScreen = fullScreen);
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}
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void Evr9VideoWindowControl::repaint()
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{
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QSize size = nativeSize();
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if (size.width() > 0 && size.height() > 0
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&& m_displayControl
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&& SUCCEEDED(m_displayControl->RepaintVideo())) {
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return;
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}
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PAINTSTRUCT paint;
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if (HDC dc = ::BeginPaint(m_windowId, &paint)) {
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HPEN pen = ::CreatePen(PS_SOLID, 1, m_windowColor);
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HBRUSH brush = ::CreateSolidBrush(m_windowColor);
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::SelectObject(dc, pen);
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::SelectObject(dc, brush);
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::Rectangle(
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dc,
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m_displayRect.left(),
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m_displayRect.top(),
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m_displayRect.right() + 1,
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m_displayRect.bottom() + 1);
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::DeleteObject(pen);
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::DeleteObject(brush);
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::EndPaint(m_windowId, &paint);
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}
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}
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QSize Evr9VideoWindowControl::nativeSize() const
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{
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QSize size;
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if (m_displayControl) {
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SIZE sourceSize;
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if (SUCCEEDED(m_displayControl->GetNativeVideoSize(&sourceSize, 0)))
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size = QSize(sourceSize.cx, sourceSize.cy);
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}
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return size;
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}
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Qt::AspectRatioMode Evr9VideoWindowControl::aspectRatioMode() const
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{
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return m_aspectRatioMode;
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}
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void Evr9VideoWindowControl::setAspectRatioMode(Qt::AspectRatioMode mode)
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{
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m_aspectRatioMode = mode;
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if (m_displayControl) {
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switch (mode) {
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case Qt::IgnoreAspectRatio:
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//comment from MSDN: Do not maintain the aspect ratio of the video. Stretch the video to fit the output rectangle.
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m_displayControl->SetAspectRatioMode(MFVideoARMode_None);
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break;
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case Qt::KeepAspectRatio:
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//comment from MSDN: Preserve the aspect ratio of the video by letterboxing or within the output rectangle.
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m_displayControl->SetAspectRatioMode(MFVideoARMode_PreservePicture);
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break;
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case Qt::KeepAspectRatioByExpanding:
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//for this mode, more adjustment will be done in setDisplayRect
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m_displayControl->SetAspectRatioMode(MFVideoARMode_PreservePicture);
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break;
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default:
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break;
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}
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setDisplayRect(m_displayRect);
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}
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}
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int Evr9VideoWindowControl::brightness() const
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{
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return m_brightness;
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}
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void Evr9VideoWindowControl::setBrightness(int brightness)
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{
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if (m_brightness == brightness)
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return;
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m_brightness = brightness;
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m_dirtyValues |= DXVA2_ProcAmp_Brightness;
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setProcAmpValues();
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emit brightnessChanged(brightness);
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}
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int Evr9VideoWindowControl::contrast() const
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{
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return m_contrast;
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}
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void Evr9VideoWindowControl::setContrast(int contrast)
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{
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if (m_contrast == contrast)
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return;
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m_contrast = contrast;
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m_dirtyValues |= DXVA2_ProcAmp_Contrast;
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setProcAmpValues();
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emit contrastChanged(contrast);
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}
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int Evr9VideoWindowControl::hue() const
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{
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return m_hue;
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}
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void Evr9VideoWindowControl::setHue(int hue)
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{
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if (m_hue == hue)
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return;
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m_hue = hue;
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m_dirtyValues |= DXVA2_ProcAmp_Hue;
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setProcAmpValues();
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emit hueChanged(hue);
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}
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int Evr9VideoWindowControl::saturation() const
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{
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return m_saturation;
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}
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void Evr9VideoWindowControl::setSaturation(int saturation)
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{
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if (m_saturation == saturation)
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return;
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m_saturation = saturation;
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m_dirtyValues |= DXVA2_ProcAmp_Saturation;
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setProcAmpValues();
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emit saturationChanged(saturation);
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}
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IMFActivate* Evr9VideoWindowControl::currentActivate() const
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{
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return m_currentActivate;
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}
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void Evr9VideoWindowControl::setProcAmpValues()
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{
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if (m_processor) {
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DXVA2_ProcAmpValues values;
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if (m_dirtyValues & DXVA2_ProcAmp_Brightness) {
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values.Brightness = scaleProcAmpValue(DXVA2_ProcAmp_Brightness, m_brightness);
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}
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if (m_dirtyValues & DXVA2_ProcAmp_Contrast) {
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values.Contrast = scaleProcAmpValue(DXVA2_ProcAmp_Contrast, m_contrast);
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}
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if (m_dirtyValues & DXVA2_ProcAmp_Hue) {
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values.Hue = scaleProcAmpValue(DXVA2_ProcAmp_Hue, m_hue);
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}
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if (m_dirtyValues & DXVA2_ProcAmp_Saturation) {
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values.Saturation = scaleProcAmpValue(DXVA2_ProcAmp_Saturation, m_saturation);
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}
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if (SUCCEEDED(m_processor->SetProcAmpValues(0, &values))) {
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m_dirtyValues = 0;
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}
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}
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}
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DXVA2_Fixed32 Evr9VideoWindowControl::scaleProcAmpValue(DWORD prop, int value) const
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{
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float scaledValue = 0.0;
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DXVA2_ValueRange range;
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if (SUCCEEDED(m_processor->GetProcAmpRange(prop, &range))) {
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scaledValue = DXVA2FixedToFloat(range.DefaultValue);
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if (value > 0)
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scaledValue += float(value) * (DXVA2FixedToFloat(range.MaxValue) - DXVA2FixedToFloat(range.DefaultValue)) / 100;
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else if (value < 0)
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scaledValue -= float(value) * (DXVA2FixedToFloat(range.MinValue) - DXVA2FixedToFloat(range.DefaultValue)) / 100;
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}
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return DXVA2FloatToFixed(scaledValue);
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}
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