2732e23887
- Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 & LICENSE.GPLv2 - Removed LICENSE.GPL Change-Id: Ied06887225df341064c12bcc14c259ae74116f2e Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
325 lines
9.3 KiB
C++
325 lines
9.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "vmr9videowindowcontrol.h"
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#include "directshowglobal.h"
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#include <QtGui/QPalette>
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#include <QtWidgets/QWidget>
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Vmr9VideoWindowControl::Vmr9VideoWindowControl(QObject *parent)
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: QVideoWindowControl(parent)
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, m_filter(com_new<IBaseFilter>(CLSID_VideoMixingRenderer9, IID_IBaseFilter))
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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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{
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if (IVMRFilterConfig9 *config = com_cast<IVMRFilterConfig9>(m_filter, IID_IVMRFilterConfig9)) {
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config->SetRenderingMode(VMR9Mode_Windowless);
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config->SetNumberOfStreams(1);
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config->Release();
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}
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}
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Vmr9VideoWindowControl::~Vmr9VideoWindowControl()
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{
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if (m_filter)
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m_filter->Release();
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}
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WId Vmr9VideoWindowControl::winId() const
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{
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return m_windowId;
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}
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void Vmr9VideoWindowControl::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 (IVMRWindowlessControl9 *control = com_cast<IVMRWindowlessControl9>(
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m_filter, IID_IVMRWindowlessControl9)) {
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control->SetVideoClippingWindow(reinterpret_cast<HWND>(m_windowId));
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control->SetBorderColor(m_windowColor);
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control->Release();
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}
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}
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QRect Vmr9VideoWindowControl::displayRect() const
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{
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return m_displayRect;
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}
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void Vmr9VideoWindowControl::setDisplayRect(const QRect &rect)
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{
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m_displayRect = rect;
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if (IVMRWindowlessControl9 *control = com_cast<IVMRWindowlessControl9>(
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m_filter, IID_IVMRWindowlessControl9)) {
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RECT sourceRect = { 0, 0, 0, 0 };
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RECT displayRect = { rect.left(), rect.top(), rect.right() + 1, rect.bottom() + 1 };
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control->GetNativeVideoSize(&sourceRect.right, &sourceRect.bottom, 0, 0);
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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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control->SetVideoPosition(&sourceRect, &displayRect);
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control->Release();
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}
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}
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bool Vmr9VideoWindowControl::isFullScreen() const
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{
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return m_fullScreen;
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}
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void Vmr9VideoWindowControl::setFullScreen(bool fullScreen)
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{
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emit fullScreenChanged(m_fullScreen = fullScreen);
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}
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void Vmr9VideoWindowControl::repaint()
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{
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PAINTSTRUCT paint;
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if (HDC dc = ::BeginPaint(reinterpret_cast<HWND>(m_windowId), &paint)) {
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HRESULT hr = E_FAIL;
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if (IVMRWindowlessControl9 *control = com_cast<IVMRWindowlessControl9>(
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m_filter, IID_IVMRWindowlessControl9)) {
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hr = control->RepaintVideo(reinterpret_cast<HWND>(m_windowId), dc);
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control->Release();
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}
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if (!SUCCEEDED(hr)) {
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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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}
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::EndPaint(reinterpret_cast<HWND>(m_windowId), &paint);
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}
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}
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QSize Vmr9VideoWindowControl::nativeSize() const
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{
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QSize size;
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if (IVMRWindowlessControl9 *control = com_cast<IVMRWindowlessControl9>(
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m_filter, IID_IVMRWindowlessControl9)) {
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LONG width;
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LONG height;
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if (control->GetNativeVideoSize(&width, &height, 0, 0) == S_OK)
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size = QSize(width, height);
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control->Release();
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}
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return size;
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}
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Qt::AspectRatioMode Vmr9VideoWindowControl::aspectRatioMode() const
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{
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return m_aspectRatioMode;
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}
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void Vmr9VideoWindowControl::setAspectRatioMode(Qt::AspectRatioMode mode)
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{
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m_aspectRatioMode = mode;
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if (IVMRWindowlessControl9 *control = com_cast<IVMRWindowlessControl9>(
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m_filter, IID_IVMRWindowlessControl9)) {
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switch (mode) {
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case Qt::IgnoreAspectRatio:
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control->SetAspectRatioMode(VMR9ARMode_None);
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break;
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case Qt::KeepAspectRatio:
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control->SetAspectRatioMode(VMR9ARMode_LetterBox);
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break;
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case Qt::KeepAspectRatioByExpanding:
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control->SetAspectRatioMode(VMR9ARMode_LetterBox);
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setDisplayRect(m_displayRect);
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break;
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default:
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break;
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}
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control->Release();
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}
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}
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int Vmr9VideoWindowControl::brightness() const
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{
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return m_brightness;
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}
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void Vmr9VideoWindowControl::setBrightness(int brightness)
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{
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m_brightness = brightness;
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m_dirtyValues |= ProcAmpControl9_Brightness;
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setProcAmpValues();
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emit brightnessChanged(brightness);
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}
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int Vmr9VideoWindowControl::contrast() const
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{
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return m_contrast;
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}
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void Vmr9VideoWindowControl::setContrast(int contrast)
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{
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m_contrast = contrast;
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m_dirtyValues |= ProcAmpControl9_Contrast;
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setProcAmpValues();
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emit contrastChanged(contrast);
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}
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int Vmr9VideoWindowControl::hue() const
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{
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return m_hue;
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}
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void Vmr9VideoWindowControl::setHue(int hue)
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{
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m_hue = hue;
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m_dirtyValues |= ProcAmpControl9_Hue;
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setProcAmpValues();
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emit hueChanged(hue);
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}
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int Vmr9VideoWindowControl::saturation() const
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{
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return m_saturation;
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}
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void Vmr9VideoWindowControl::setSaturation(int saturation)
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{
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m_saturation = saturation;
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m_dirtyValues |= ProcAmpControl9_Saturation;
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setProcAmpValues();
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emit saturationChanged(saturation);
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}
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void Vmr9VideoWindowControl::setProcAmpValues()
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{
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if (IVMRMixerControl9 *control = com_cast<IVMRMixerControl9>(m_filter, IID_IVMRMixerControl9)) {
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VMR9ProcAmpControl procAmp;
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procAmp.dwSize = sizeof(VMR9ProcAmpControl);
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procAmp.dwFlags = m_dirtyValues;
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if (m_dirtyValues & ProcAmpControl9_Brightness) {
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procAmp.Brightness = scaleProcAmpValue(
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control, ProcAmpControl9_Brightness, m_brightness);
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}
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if (m_dirtyValues & ProcAmpControl9_Contrast) {
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procAmp.Contrast = scaleProcAmpValue(
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control, ProcAmpControl9_Contrast, m_contrast);
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}
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if (m_dirtyValues & ProcAmpControl9_Hue) {
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procAmp.Hue = scaleProcAmpValue(
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control, ProcAmpControl9_Hue, m_hue);
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}
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if (m_dirtyValues & ProcAmpControl9_Saturation) {
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procAmp.Saturation = scaleProcAmpValue(
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control, ProcAmpControl9_Saturation, m_saturation);
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}
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if (SUCCEEDED(control->SetProcAmpControl(0, &procAmp))) {
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m_dirtyValues = 0;
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}
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control->Release();
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}
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}
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float Vmr9VideoWindowControl::scaleProcAmpValue(
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IVMRMixerControl9 *control, VMR9ProcAmpControlFlags property, int value) const
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{
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float scaledValue = 0.0;
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VMR9ProcAmpControlRange range;
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range.dwSize = sizeof(VMR9ProcAmpControlRange);
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range.dwProperty = property;
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if (SUCCEEDED(control->GetProcAmpControlRange(0, &range))) {
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scaledValue = range.DefaultValue;
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if (value > 0)
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scaledValue += float(value) * (range.MaxValue - range.DefaultValue) / 100;
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else if (value < 0)
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scaledValue -= float(value) * (range.MinValue - range.DefaultValue) / 100;
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}
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return scaledValue;
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}
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