| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 Research In Motion |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| #include "mmrenderervideowindowcontrol.h" |
| #include "mmrendererutil.h" |
| #include <QtCore/qdebug.h> |
| #include <QtGui/qguiapplication.h> |
| #include <QtGui/qpa/qplatformnativeinterface.h> |
| #include <QtGui/qscreen.h> |
| #include <QtGui/qwindow.h> |
| #include <mm/renderer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| static int winIdCounter = 0; |
| |
| MmRendererVideoWindowControl::MmRendererVideoWindowControl(QObject *parent) |
| : QVideoWindowControl(parent), |
| m_videoId(-1), |
| m_winId(0), |
| m_context(0), |
| m_fullscreen(false), |
| m_aspectRatioMode(Qt::IgnoreAspectRatio), |
| m_window(0), |
| m_hue(0), |
| m_brightness(0), |
| m_contrast(0), |
| m_saturation(0) |
| { |
| } |
| |
| MmRendererVideoWindowControl::~MmRendererVideoWindowControl() |
| { |
| } |
| |
| WId MmRendererVideoWindowControl::winId() const |
| { |
| return m_winId; |
| } |
| |
| void MmRendererVideoWindowControl::setWinId(WId id) |
| { |
| m_winId = id; |
| } |
| |
| QRect MmRendererVideoWindowControl::displayRect() const |
| { |
| return m_displayRect ; |
| } |
| |
| void MmRendererVideoWindowControl::setDisplayRect(const QRect &rect) |
| { |
| if (m_displayRect != rect) { |
| m_displayRect = rect; |
| updateVideoPosition(); |
| } |
| } |
| |
| bool MmRendererVideoWindowControl::isFullScreen() const |
| { |
| return m_fullscreen; |
| } |
| |
| void MmRendererVideoWindowControl::setFullScreen(bool fullScreen) |
| { |
| if (m_fullscreen != fullScreen) { |
| m_fullscreen = fullScreen; |
| updateVideoPosition(); |
| emit fullScreenChanged(m_fullscreen); |
| } |
| } |
| |
| void MmRendererVideoWindowControl::repaint() |
| { |
| // Nothing we can or should do here |
| } |
| |
| QSize MmRendererVideoWindowControl::nativeSize() const |
| { |
| return QSize(m_metaData.width(), m_metaData.height()); |
| } |
| |
| Qt::AspectRatioMode MmRendererVideoWindowControl::aspectRatioMode() const |
| { |
| return m_aspectRatioMode; |
| } |
| |
| void MmRendererVideoWindowControl::setAspectRatioMode(Qt::AspectRatioMode mode) |
| { |
| m_aspectRatioMode = mode; |
| } |
| |
| int MmRendererVideoWindowControl::brightness() const |
| { |
| return m_brightness; |
| } |
| |
| void MmRendererVideoWindowControl::setBrightness(int brightness) |
| { |
| if (m_brightness != brightness) { |
| m_brightness = brightness; |
| updateBrightness(); |
| emit brightnessChanged(m_brightness); |
| } |
| } |
| |
| int MmRendererVideoWindowControl::contrast() const |
| { |
| return m_contrast; |
| } |
| |
| void MmRendererVideoWindowControl::setContrast(int contrast) |
| { |
| if (m_contrast != contrast) { |
| m_contrast = contrast; |
| updateContrast(); |
| emit contrastChanged(m_contrast); |
| } |
| } |
| |
| int MmRendererVideoWindowControl::hue() const |
| { |
| return m_hue; |
| } |
| |
| void MmRendererVideoWindowControl::setHue(int hue) |
| { |
| if (m_hue != hue) { |
| m_hue = hue; |
| updateHue(); |
| emit hueChanged(m_hue); |
| } |
| } |
| |
| int MmRendererVideoWindowControl::saturation() const |
| { |
| return m_saturation; |
| } |
| |
| void MmRendererVideoWindowControl::setSaturation(int saturation) |
| { |
| if (m_saturation != saturation) { |
| m_saturation = saturation; |
| updateSaturation(); |
| emit saturationChanged(m_saturation); |
| } |
| } |
| |
| void MmRendererVideoWindowControl::attachDisplay(mmr_context_t *context) |
| { |
| if (m_videoId != -1) { |
| qDebug() << "MmRendererVideoWindowControl: Video output already attached!"; |
| return; |
| } |
| |
| if (!context) { |
| qDebug() << "MmRendererVideoWindowControl: No media player context!"; |
| return; |
| } |
| |
| QWindow *window = findWindow(m_winId); |
| if (!window) { |
| qDebug() << "MmRendererVideoWindowControl: No video window!"; |
| return; |
| } |
| |
| QPlatformNativeInterface * const nativeInterface = QGuiApplication::platformNativeInterface(); |
| if (!nativeInterface) { |
| qDebug() << "MmRendererVideoWindowControl: Unable to get platform native interface"; |
| return; |
| } |
| |
| const char * const groupNameData = static_cast<const char *>( |
| nativeInterface->nativeResourceForWindow("windowGroup", window)); |
| if (!groupNameData) { |
| qDebug() << "MmRendererVideoWindowControl: Unable to find window group for window" |
| << window; |
| return; |
| } |
| |
| const QString groupName = QString::fromLatin1(groupNameData); |
| m_windowName = QString("MmRendererVideoWindowControl_%1_%2").arg(winIdCounter++) |
| .arg(QCoreApplication::applicationPid()); |
| |
| nativeInterface->setWindowProperty(window->handle(), |
| QStringLiteral("mmRendererWindowName"), m_windowName); |
| |
| // Start with an invisible window. If it would be visible right away, it would be at the wrong |
| // position, and we can only change the position once we get the window handle. |
| const QString videoDeviceUrl = |
| QString("screen:?winid=%1&wingrp=%2&initflags=invisible&nodstviewport=1").arg(m_windowName).arg(groupName); |
| |
| m_videoId = mmr_output_attach(context, videoDeviceUrl.toLatin1(), "video"); |
| if (m_videoId == -1) { |
| qDebug() << mmErrorMessage("mmr_output_attach() for video failed", context); |
| return; |
| } |
| |
| m_context = context; |
| updateVideoPosition(); |
| updateHue(); |
| updateContrast(); |
| updateBrightness(); |
| updateSaturation(); |
| } |
| |
| void MmRendererVideoWindowControl::updateVideoPosition() |
| { |
| QWindow * const window = findWindow(m_winId); |
| if (m_context && m_videoId != -1 && window) { |
| QPoint topLeft = m_displayRect.topLeft(); |
| |
| QScreen * const screen = window->screen(); |
| int width = m_fullscreen ? |
| screen->size().width() : |
| m_displayRect.width(); |
| int height = m_fullscreen ? |
| screen->size().height() : |
| m_displayRect.height(); |
| |
| if (m_metaData.hasVideo() && m_metaData.width() > 0 && m_metaData.height() > 0) { |
| // We need the source size to do aspect ratio scaling |
| const qreal sourceRatio = m_metaData.width() / static_cast<float>(m_metaData.height()); |
| const qreal targetRatio = width / static_cast<float>(height); |
| |
| if (m_aspectRatioMode == Qt::KeepAspectRatio) { |
| if (targetRatio < sourceRatio) { |
| // Need to make height smaller |
| const int newHeight = width / sourceRatio; |
| const int heightDiff = height - newHeight; |
| topLeft.ry() += heightDiff / 2; |
| height = newHeight; |
| } else { |
| // Need to make width smaller |
| const int newWidth = sourceRatio * height; |
| const int widthDiff = width - newWidth; |
| topLeft.rx() += widthDiff / 2; |
| width = newWidth; |
| } |
| |
| } else if (m_aspectRatioMode == Qt::KeepAspectRatioByExpanding) { |
| if (targetRatio < sourceRatio) { |
| // Need to make width larger |
| const int newWidth = sourceRatio * height; |
| const int widthDiff = newWidth - width; |
| topLeft.rx() -= widthDiff / 2; |
| width = newWidth; |
| } else { |
| // Need to make height larger |
| const int newHeight = width / sourceRatio; |
| const int heightDiff = newHeight - height; |
| topLeft.ry() -= heightDiff / 2; |
| height = newHeight; |
| } |
| } |
| } |
| |
| if (m_window != 0) { |
| const int position[2] = { topLeft.x(), topLeft.y() }; |
| const int size[2] = { width, height }; |
| const int visible = m_displayRect.isValid(); |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_POSITION, position) != 0) |
| perror("Setting video position failed"); |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SIZE, size) != 0) |
| perror("Setting video size failed"); |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_VISIBLE, &visible) != 0) |
| perror("Setting video visibility failed"); |
| } |
| } |
| } |
| |
| void MmRendererVideoWindowControl::updateBrightness() |
| { |
| if (m_window != 0) { |
| const int backendValue = m_brightness * 2.55f; |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_BRIGHTNESS, &backendValue) != 0) |
| perror("Setting brightness failed"); |
| } |
| } |
| |
| void MmRendererVideoWindowControl::updateContrast() |
| { |
| if (m_window != 0) { |
| const int backendValue = m_contrast * 1.27f; |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_CONTRAST, &backendValue) != 0) |
| perror("Setting contrast failed"); |
| } |
| } |
| |
| void MmRendererVideoWindowControl::updateHue() |
| { |
| if (m_window != 0) { |
| const int backendValue = m_hue * 1.27f; |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_HUE, &backendValue) != 0) |
| perror("Setting hue failed"); |
| } |
| } |
| |
| void MmRendererVideoWindowControl::updateSaturation() |
| { |
| if (m_window != 0) { |
| const int backendValue = m_saturation * 1.27f; |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_SATURATION, &backendValue) != 0) |
| perror("Setting saturation failed"); |
| } |
| } |
| |
| void MmRendererVideoWindowControl::detachDisplay() |
| { |
| if (m_context && m_videoId != -1) |
| mmr_output_detach(m_context, m_videoId); |
| |
| m_context = 0; |
| m_videoId = -1; |
| m_metaData.clear(); |
| m_windowName.clear(); |
| m_window = 0; |
| m_hue = 0; |
| m_brightness = 0; |
| m_contrast = 0; |
| m_saturation = 0; |
| } |
| |
| void MmRendererVideoWindowControl::setMetaData(const MmRendererMetaData &metaData) |
| { |
| m_metaData = metaData; |
| emit nativeSizeChanged(); |
| |
| // To handle the updated source size data |
| updateVideoPosition(); |
| } |
| |
| void MmRendererVideoWindowControl::screenEventHandler(const screen_event_t &screen_event) |
| { |
| int eventType; |
| if (screen_get_event_property_iv(screen_event, SCREEN_PROPERTY_TYPE, &eventType) != 0) { |
| perror("MmRendererVideoWindowControl: Failed to query screen event type"); |
| return; |
| } |
| |
| if (eventType != SCREEN_EVENT_CREATE) |
| return; |
| |
| screen_window_t window = 0; |
| if (screen_get_event_property_pv(screen_event, SCREEN_PROPERTY_WINDOW, (void**)&window) != 0) { |
| perror("MmRendererVideoWindowControl: Failed to query window property"); |
| return; |
| } |
| |
| const int maxIdStrLength = 128; |
| char idString[maxIdStrLength]; |
| if (screen_get_window_property_cv(window, SCREEN_PROPERTY_ID_STRING, maxIdStrLength, idString) != 0) { |
| perror("MmRendererVideoWindowControl: Failed to query window ID string"); |
| return; |
| } |
| |
| if (m_windowName == idString) { |
| m_window = window; |
| updateVideoPosition(); |
| |
| const int visibleFlag = 1; |
| if (screen_set_window_property_iv(m_window, SCREEN_PROPERTY_VISIBLE, &visibleFlag) != 0) { |
| perror("MmRendererVideoWindowControl: Failed to make window visible"); |
| return; |
| } |
| } |
| } |
| |
| QWindow *MmRendererVideoWindowControl::findWindow(WId id) const |
| { |
| const auto allWindows = QGuiApplication::allWindows(); |
| for (QWindow *window : allWindows) |
| if (window->winId() == id) |
| return window; |
| return 0; |
| } |
| |
| QT_END_NAMESPACE |
