diff options
Diffstat (limited to 'src/plugins/mediaservices/gstreamer/qgstreamervideowidget.cpp')
| -rw-r--r-- | src/plugins/mediaservices/gstreamer/qgstreamervideowidget.cpp | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/src/plugins/mediaservices/gstreamer/qgstreamervideowidget.cpp b/src/plugins/mediaservices/gstreamer/qgstreamervideowidget.cpp deleted file mode 100644 index 763f7f1..0000000 --- a/src/plugins/mediaservices/gstreamer/qgstreamervideowidget.cpp +++ /dev/null @@ -1,340 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgstreamervideowidget.h" - -#include <QtCore/qcoreevent.h> -#include <QtCore/qdebug.h> -#include <QtGui/qapplication.h> -#include <QtGui/qpainter.h> - -#include <X11/Xlib.h> -#include <gst/gst.h> -#include <gst/interfaces/xoverlay.h> -#include <gst/interfaces/propertyprobe.h> - - -QT_BEGIN_NAMESPACE - -class QGstreamerVideoWidget : public QWidget -{ -public: - QGstreamerVideoWidget(QWidget *parent = 0) - :QWidget(parent) - { - setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); - QPalette palette; - palette.setColor(QPalette::Background, Qt::black); - setPalette(palette); - } - - virtual ~QGstreamerVideoWidget() {} - - QSize sizeHint() const - { - return m_nativeSize; - } - - void setNativeSize( const QSize &size) - { - if (size != m_nativeSize) { - m_nativeSize = size; - if (size.isEmpty()) - setMinimumSize(0,0); - else - setMinimumSize(160,120); - - updateGeometry(); - } - } - -protected: - void paintEvent(QPaintEvent *) - { - QPainter painter(this); - painter.fillRect(rect(), palette().background()); - } - - QSize m_nativeSize; -}; - -QGstreamerVideoWidgetControl::QGstreamerVideoWidgetControl(QObject *parent) - : QVideoWidgetControl(parent) - , m_videoSink(0) - , m_widget(0) - , m_fullScreen(false) -{ -} - -QGstreamerVideoWidgetControl::~QGstreamerVideoWidgetControl() -{ - if (m_videoSink) - gst_object_unref(GST_OBJECT(m_videoSink)); - - delete m_widget; -} - -void QGstreamerVideoWidgetControl::createVideoWidget() -{ - if (m_widget) - return; - - m_widget = new QGstreamerVideoWidget; - - m_widget->installEventFilter(this); - m_windowId = m_widget->winId(); - - m_videoSink = gst_element_factory_make ("xvimagesink", NULL); - if (m_videoSink) { - // Check if the xv sink is usable - if (gst_element_set_state(m_videoSink, GST_STATE_READY) != GST_STATE_CHANGE_SUCCESS) { - gst_object_unref(GST_OBJECT(m_videoSink)); - m_videoSink = 0; - } else { - gst_element_set_state(m_videoSink, GST_STATE_NULL); - - g_object_set(G_OBJECT(m_videoSink), "force-aspect-ratio", 1, (const char*)NULL); - } - } - - if (!m_videoSink) - m_videoSink = gst_element_factory_make ("ximagesink", NULL); - - gst_object_ref (GST_OBJECT (m_videoSink)); //Take ownership - gst_object_sink (GST_OBJECT (m_videoSink)); -} - -GstElement *QGstreamerVideoWidgetControl::videoSink() -{ - createVideoWidget(); - return m_videoSink; -} - -bool QGstreamerVideoWidgetControl::eventFilter(QObject *object, QEvent *e) -{ - if (m_widget && object == m_widget) { - if (e->type() == QEvent::ParentChange || e->type() == QEvent::Show) { - WId newWId = m_widget->winId(); - if (newWId != m_windowId) { - m_windowId = newWId; - // Even if we have created a winId at this point, other X applications - // need to be aware of it. - QApplication::syncX(); - setOverlay(); - } - } - - if (e->type() == QEvent::Show) { - // Setting these values ensures smooth resizing since it - // will prevent the system from clearing the background - m_widget->setAttribute(Qt::WA_NoSystemBackground, true); - m_widget->setAttribute(Qt::WA_PaintOnScreen, true); - } else if (e->type() == QEvent::Resize) { - // This is a workaround for missing background repaints - // when reducing window size - windowExposed(); - } - } - - return false; -} - -void QGstreamerVideoWidgetControl::precessNewStream() -{ - setOverlay(); - QMetaObject::invokeMethod(this, "updateNativeVideoSize", Qt::QueuedConnection); -} - -void QGstreamerVideoWidgetControl::setOverlay() -{ - if (m_videoSink && GST_IS_X_OVERLAY(m_videoSink)) { - gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(m_videoSink), m_windowId); - } -} - -void QGstreamerVideoWidgetControl::updateNativeVideoSize() -{ - if (m_videoSink) { - //find video native size to update video widget size hint - GstPad *pad = gst_element_get_static_pad(m_videoSink,"sink"); - GstCaps *caps = gst_pad_get_negotiated_caps(pad); - - if (caps) { - GstStructure *str; - gint width, height; - - if ((str = gst_caps_get_structure (caps, 0))) { - if (gst_structure_get_int (str, "width", &width) && gst_structure_get_int (str, "height", &height)) { - gint aspectNum = 0; - gint aspectDenum = 0; - if (gst_structure_get_fraction(str, "pixel-aspect-ratio", &aspectNum, &aspectDenum)) { - if (aspectDenum > 0) - width = width*aspectNum/aspectDenum; - } - m_widget->setNativeSize(QSize(width, height)); - } - } - gst_caps_unref(caps); - } - } else { - if (m_widget) - m_widget->setNativeSize(QSize()); - } -} - - -void QGstreamerVideoWidgetControl::windowExposed() -{ - if (m_videoSink && GST_IS_X_OVERLAY(m_videoSink)) - gst_x_overlay_expose(GST_X_OVERLAY(m_videoSink)); -} - -QWidget *QGstreamerVideoWidgetControl::videoWidget() -{ - createVideoWidget(); - return m_widget; -} - -Qt::AspectRatioMode QGstreamerVideoWidgetControl::aspectRatioMode() const -{ - return m_aspectRatioMode; -} - -void QGstreamerVideoWidgetControl::setAspectRatioMode(Qt::AspectRatioMode mode) -{ - if (m_videoSink) { - g_object_set(G_OBJECT(m_videoSink), - "force-aspect-ratio", - (mode == Qt::KeepAspectRatio), - (const char*)NULL); - } - - m_aspectRatioMode = mode; -} - -bool QGstreamerVideoWidgetControl::isFullScreen() const -{ - return m_fullScreen; -} - -void QGstreamerVideoWidgetControl::setFullScreen(bool fullScreen) -{ - emit fullScreenChanged(m_fullScreen = fullScreen); -} - -int QGstreamerVideoWidgetControl::brightness() const -{ - int brightness = 0; - - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "brightness")) - g_object_get(G_OBJECT(m_videoSink), "brightness", &brightness, NULL); - - return brightness / 10; -} - -void QGstreamerVideoWidgetControl::setBrightness(int brightness) -{ - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "brightness")) { - g_object_set(G_OBJECT(m_videoSink), "brightness", brightness * 10, NULL); - - emit brightnessChanged(brightness); - } -} - -int QGstreamerVideoWidgetControl::contrast() const -{ - int contrast = 0; - - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "contrast")) - g_object_get(G_OBJECT(m_videoSink), "contrast", &contrast, NULL); - - return contrast / 10; -} - -void QGstreamerVideoWidgetControl::setContrast(int contrast) -{ - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "contrast")) { - g_object_set(G_OBJECT(m_videoSink), "contrast", contrast * 10, NULL); - - emit contrastChanged(contrast); - } -} - -int QGstreamerVideoWidgetControl::hue() const -{ - int hue = 0; - - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue")) - g_object_get(G_OBJECT(m_videoSink), "hue", &hue, NULL); - - return hue / 10; -} - -void QGstreamerVideoWidgetControl::setHue(int hue) -{ - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue")) { - g_object_set(G_OBJECT(m_videoSink), "hue", hue * 10, NULL); - - emit hueChanged(hue); - } -} - -int QGstreamerVideoWidgetControl::saturation() const -{ - int saturation = 0; - - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation")) - g_object_get(G_OBJECT(m_videoSink), "saturation", &saturation, NULL); - - return saturation / 10; -} - -void QGstreamerVideoWidgetControl::setSaturation(int saturation) -{ - if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation")) { - g_object_set(G_OBJECT(m_videoSink), "saturation", saturation * 10, NULL); - - emit saturationChanged(saturation); - } -} - -QT_END_NAMESPACE - |