9d429a4416
Change-Id: I699e7f81abb73e75eca2ddda22c7e5f2e852fcd5 Reviewed-by: Sean Harmer <sean.harmer@kdab.com> Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
413 lines
12 KiB
C++
413 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Research In Motion
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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 Toolkit.
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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 "bbvideowindowcontrol.h"
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#include "bbutil.h"
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#include <QtCore/qdebug.h>
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#include <QtGui/qguiapplication.h>
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#include <QtGui/qpa/qplatformnativeinterface.h>
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#include <QtGui/qscreen.h>
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#include <QtGui/qwindow.h>
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#include <mm/renderer.h>
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#include <bps/screen.h>
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QT_BEGIN_NAMESPACE
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static int winIdCounter = 0;
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BbVideoWindowControl::BbVideoWindowControl(QObject *parent)
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: QVideoWindowControl(parent),
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m_videoId(-1),
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m_winId(0),
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m_context(0),
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m_fullscreen(false),
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m_aspectRatioMode(Qt::IgnoreAspectRatio),
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m_window(0),
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m_hue(0),
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m_brightness(0),
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m_contrast(0),
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m_saturation(0)
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{
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}
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BbVideoWindowControl::~BbVideoWindowControl()
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{
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}
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WId BbVideoWindowControl::winId() const
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{
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return m_winId;
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}
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void BbVideoWindowControl::setWinId(WId id)
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{
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m_winId = id;
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}
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QRect BbVideoWindowControl::displayRect() const
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{
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return m_displayRect ;
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}
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void BbVideoWindowControl::setDisplayRect(const QRect &rect)
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{
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if (m_displayRect != rect) {
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m_displayRect = rect;
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updateVideoPosition();
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}
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}
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bool BbVideoWindowControl::isFullScreen() const
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{
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return m_fullscreen;
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}
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void BbVideoWindowControl::setFullScreen(bool fullScreen)
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{
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if (m_fullscreen != fullScreen) {
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m_fullscreen = fullScreen;
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updateVideoPosition();
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emit fullScreenChanged(m_fullscreen);
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}
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}
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void BbVideoWindowControl::repaint()
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{
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// Nothing we can or should do here
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}
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QSize BbVideoWindowControl::nativeSize() const
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{
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return QSize(m_metaData.width(), m_metaData.height());
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}
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Qt::AspectRatioMode BbVideoWindowControl::aspectRatioMode() const
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{
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return m_aspectRatioMode;
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}
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void BbVideoWindowControl::setAspectRatioMode(Qt::AspectRatioMode mode)
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{
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m_aspectRatioMode = mode;
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}
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int BbVideoWindowControl::brightness() const
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{
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return m_brightness;
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}
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void BbVideoWindowControl::setBrightness(int brightness)
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{
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if (m_brightness != brightness) {
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m_brightness = brightness;
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updateBrightness();
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emit brightnessChanged(m_brightness);
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}
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}
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int BbVideoWindowControl::contrast() const
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{
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return m_contrast;
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}
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void BbVideoWindowControl::setContrast(int contrast)
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{
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if (m_contrast != contrast) {
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m_contrast = contrast;
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updateContrast();
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emit contrastChanged(m_contrast);
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}
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}
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int BbVideoWindowControl::hue() const
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{
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return m_hue;
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}
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void BbVideoWindowControl::setHue(int hue)
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{
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if (m_hue != hue) {
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m_hue = hue;
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updateHue();
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emit hueChanged(m_hue);
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}
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}
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int BbVideoWindowControl::saturation() const
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{
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return m_saturation;
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}
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void BbVideoWindowControl::setSaturation(int saturation)
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{
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if (m_saturation != saturation) {
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m_saturation = saturation;
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updateSaturation();
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emit saturationChanged(m_saturation);
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}
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}
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void BbVideoWindowControl::attachDisplay(mmr_context_t *context)
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{
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if (m_videoId != -1) {
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qDebug() << "BbVideoWindowControl: Video output already attached!";
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return;
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}
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if (!context) {
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qDebug() << "BbVideoWindowControl: No media player context!";
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return;
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}
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QWindow * const window = findWindow(m_winId);
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if (!window) {
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qDebug() << "BbVideoWindowControl: No video window!";
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return;
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}
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QPlatformNativeInterface * const nativeInterface = QGuiApplication::platformNativeInterface();
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if (!nativeInterface) {
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qDebug() << "BbVideoWindowControl: Unable to get platform native interface. Qt too old?";
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return;
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}
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const char * const groupNameData = static_cast<const char *>(
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nativeInterface->nativeResourceForWindow("windowGroup", window));
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if (!groupNameData) {
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qDebug() << "BbVideoWindowControl: Unable to find window group for window" << window;
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return;
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}
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const QString groupName = QString::fromLatin1(groupNameData);
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m_windowName = QString("BbVideoWindowControl_%1_%2").arg(winIdCounter++)
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.arg(QCoreApplication::applicationPid());
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// Start with an invisible window. If it would be visible right away, it would be at the wrong
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// position, and we can only change the position once we get the window handle.
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const QString videoDeviceUrl =
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QString("screen:?winid=%1&wingrp=%2&initflags=invisible&nodstviewport=1").arg(m_windowName).arg(groupName);
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m_videoId = mmr_output_attach(context, videoDeviceUrl.toLatin1(), "video");
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if (m_videoId == -1) {
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qDebug() << mmErrorMessage("mmr_output_attach() for video failed", context);
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return;
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}
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m_context = context;
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updateVideoPosition();
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updateHue();
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updateContrast();
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updateBrightness();
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updateSaturation();
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}
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void BbVideoWindowControl::updateVideoPosition()
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{
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QWindow * const window = findWindow(m_winId);
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if (m_context && m_videoId != -1 && window) {
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QPoint topLeft = m_fullscreen ?
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QPoint(0,0) :
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window->mapToGlobal(m_displayRect.topLeft());
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QScreen * const screen = window->screen();
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int width = m_fullscreen ?
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screen->size().width() :
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m_displayRect.width();
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int height = m_fullscreen ?
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screen->size().height() :
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m_displayRect.height();
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if (m_metaData.hasVideo()) { // We need the source size to do aspect ratio scaling
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const qreal sourceRatio = m_metaData.width() / static_cast<float>(m_metaData.height());
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const qreal targetRatio = width / static_cast<float>(height);
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if (m_aspectRatioMode == Qt::KeepAspectRatio) {
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if (targetRatio < sourceRatio) {
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// Need to make height smaller
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const int newHeight = width / sourceRatio;
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const int heightDiff = height - newHeight;
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topLeft.ry() += heightDiff / 2;
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height = newHeight;
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} else {
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// Need to make width smaller
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const int newWidth = sourceRatio * height;
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const int widthDiff = width - newWidth;
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topLeft.rx() += widthDiff / 2;
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width = newWidth;
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}
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} else if (m_aspectRatioMode == Qt::KeepAspectRatioByExpanding) {
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if (targetRatio < sourceRatio) {
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// Need to make width larger
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const int newWidth = sourceRatio * height;
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const int widthDiff = newWidth - width;
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topLeft.rx() -= widthDiff / 2;
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width = newWidth;
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} else {
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// Need to make height larger
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const int newHeight = width / sourceRatio;
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const int heightDiff = newHeight - height;
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topLeft.ry() -= heightDiff / 2;
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height = newHeight;
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}
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}
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}
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if (m_window != 0) {
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const int position[2] = { topLeft.x(), topLeft.y() };
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const int size[2] = { width, height };
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_POSITION, position) != 0)
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perror("Setting video position failed");
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SIZE, size) != 0)
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perror("Setting video size failed");
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}
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}
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}
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void BbVideoWindowControl::updateBrightness()
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{
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if (m_window != 0) {
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const int backendValue = m_brightness * 2.55f;
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_BRIGHTNESS, &backendValue) != 0)
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perror("Setting brightness failed");
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}
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}
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void BbVideoWindowControl::updateContrast()
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{
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if (m_window != 0) {
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const int backendValue = m_contrast * 1.27f;
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_CONTRAST, &backendValue) != 0)
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perror("Setting contrast failed");
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}
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}
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void BbVideoWindowControl::updateHue()
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{
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if (m_window != 0) {
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const int backendValue = m_hue * 1.27f;
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_HUE, &backendValue) != 0)
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perror("Setting hue failed");
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}
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}
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void BbVideoWindowControl::updateSaturation()
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{
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if (m_window != 0) {
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const int backendValue = m_saturation * 1.27f;
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SATURATION, &backendValue) != 0)
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perror("Setting saturation failed");
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}
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}
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void BbVideoWindowControl::detachDisplay()
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{
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if (m_context && m_videoId != -1)
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mmr_output_detach(m_context, m_videoId);
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m_context = 0;
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m_videoId = -1;
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m_metaData.clear();
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m_windowName.clear();
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m_window = 0;
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m_hue = 0;
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m_brightness = 0;
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m_contrast = 0;
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m_saturation = 0;
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}
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void BbVideoWindowControl::setMetaData(const BbMetaData &metaData)
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{
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m_metaData = metaData;
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emit nativeSizeChanged();
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// To handle the updated source size data
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updateVideoPosition();
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}
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void BbVideoWindowControl::bpsEventHandler(bps_event_t *event)
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{
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if (event && bps_event_get_domain(event) == screen_get_domain()) {
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const screen_event_t screen_event = screen_event_get_event(event);
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int eventType;
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if (screen_get_event_property_iv(screen_event, SCREEN_PROPERTY_TYPE, &eventType) != 0) {
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perror("BbVideoWindowControl: Failed to query screen event type");
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return;
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}
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if (eventType != SCREEN_EVENT_CREATE)
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return;
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screen_window_t window = 0;
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if (screen_get_event_property_pv(screen_event, SCREEN_PROPERTY_WINDOW, (void**)&window) != 0) {
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perror("BbVideoWindowControl: Failed to query window property");
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return;
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}
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const int maxIdStrLength = 128;
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char idString[maxIdStrLength];
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if (screen_get_window_property_cv(window, SCREEN_PROPERTY_ID_STRING, maxIdStrLength, idString) != 0) {
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perror("BbVideoWindowControl: Failed to query window ID string");
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return;
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}
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if (m_windowName == idString) {
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m_window = window;
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updateVideoPosition();
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const int visibleFlag = 1;
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if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_VISIBLE, &visibleFlag) != 0) {
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perror("BbVideoWindowControl: Failed to make window visible");
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return;
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}
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}
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}
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}
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QWindow *BbVideoWindowControl::findWindow(WId id) const
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{
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Q_FOREACH (QWindow *window, QGuiApplication::allWindows())
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if (window->winId() == id)
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return window;
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return 0;
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}
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QT_END_NAMESPACE
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