5e801e2793
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I20e5215108c6ebd5f8474fed5c3665118e4791e6 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
352 lines
10 KiB
C++
352 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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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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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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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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