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qtmobility/plugins/multimedia/gstreamer/qgstreamervideowidget.cpp
changeset 14 6fbed849b4f4
parent 11 06b8e2af4411
equal deleted inserted replaced
11:06b8e2af4411 14:6fbed849b4f4 
    94 };
 
    94 };
 
    95 
    95 
    96 QGstreamerVideoWidgetControl::QGstreamerVideoWidgetControl(QObject *parent)
 
    96 QGstreamerVideoWidgetControl::QGstreamerVideoWidgetControl(QObject *parent)
 
    97     : QVideoWidgetControl(parent)
 
    97     : QVideoWidgetControl(parent)
 
    98     , m_videoSink(0)
 
    98     , m_videoSink(0)
 
    99     , m_widget(new QGstreamerVideoWidget)
 
    99     , m_widget(0)
 
   100     , m_fullScreen(false)
 
   100     , m_fullScreen(false)
 
   101 {
 
   101 {    
       
   102 }
 
       
   103 
       
   104 QGstreamerVideoWidgetControl::~QGstreamerVideoWidgetControl()
 
       
   105 {
 
       
   106     if (m_videoSink)
 
       
   107         gst_object_unref(GST_OBJECT(m_videoSink));
 
       
   108 
       
   109     delete m_widget;
 
       
   110 }
 
       
   111 
       
   112 void QGstreamerVideoWidgetControl::createVideoWidget()
 
       
   113 {
 
       
   114     if (m_widget)
 
       
   115         return;
 
       
   116 
       
   117     m_widget = new QGstreamerVideoWidget;
 
       
   118 
   102     m_widget->installEventFilter(this);
 
   119     m_widget->installEventFilter(this);
 
   103     m_windowId = m_widget->winId();
 
   120     m_windowId = m_widget->winId();
 
   104 
   121 
   105     m_videoSink = gst_element_factory_make ("xvimagesink", NULL);
 
   122     m_videoSink = gst_element_factory_make ("xvimagesink", NULL);
 
   106     if (m_videoSink) {
 
   123     if (m_videoSink) {
 
   127     gst_object_sink (GST_OBJECT (m_videoSink));
 
   144     gst_object_sink (GST_OBJECT (m_videoSink));
 
   128 
   145 
   129 
   146 
   130 }
 
   147 }
 
   131 
   148 
   132 QGstreamerVideoWidgetControl::~QGstreamerVideoWidgetControl()
 
       
   133 {
 
       
   134     if (m_videoSink)
 
       
   135         gst_object_unref(GST_OBJECT(m_videoSink));
 
       
   136 
       
   137     delete m_widget;
 
       
   138 }
 
       
   139 
       
   140 GstElement *QGstreamerVideoWidgetControl::videoSink()
 
   149 GstElement *QGstreamerVideoWidgetControl::videoSink()
 
   141 {
 
   150 {
 
       
   151     createVideoWidget();
 
   142     return m_videoSink;
 
   152     return m_videoSink;
 
   143 }
 
   153 }
 
   144 
   154 
   145 bool QGstreamerVideoWidgetControl::eventFilter(QObject *object, QEvent *e)
 
   155 bool QGstreamerVideoWidgetControl::eventFilter(QObject *object, QEvent *e)
 
   146 {
 
   156 {
 
   147     if (object == m_widget) {
 
   157     if (m_widget && object == m_widget) {
 
   148         if (e->type() == QEvent::ParentChange || e->type() == QEvent::Show) {
 
   158         if (e->type() == QEvent::ParentChange || e->type() == QEvent::Show) {
 
   149             WId newWId = m_widget->winId();
 
   159             WId newWId = m_widget->winId();
 
   150             if (newWId != m_windowId) {
 
   160             if (newWId != m_windowId) {
 
   151                 m_windowId = newWId;
 
   161                 m_windowId = newWId;
 
   152                 // Even if we have created a winId at this point, other X applications
 
   162                 // Even if we have created a winId at this point, other X applications
 
   207                 }
 
   217                 }
 
   208             }
 
   218             }
 
   209             gst_caps_unref(caps);
 
   219             gst_caps_unref(caps);
 
   210         }
 
   220         }
 
   211     } else {
 
   221     } else {
 
   212         m_widget->setNativeSize(QSize());
 
   222         if (m_widget)
 
       
   223             m_widget->setNativeSize(QSize());
 
   213     }
 
   224     }
 
   214 }
 
   225 }
 
   215 
   226 
   216 
   227 
   217 void QGstreamerVideoWidgetControl::windowExposed()
 
   228 void QGstreamerVideoWidgetControl::windowExposed()
 
   220         gst_x_overlay_expose(GST_X_OVERLAY(m_videoSink));
 
   231         gst_x_overlay_expose(GST_X_OVERLAY(m_videoSink));
 
   221 }
 
   232 }
 
   222 
   233 
   223 QWidget *QGstreamerVideoWidgetControl::videoWidget()
 
   234 QWidget *QGstreamerVideoWidgetControl::videoWidget()
 
   224 {
 
   235 {
 
       
   236     createVideoWidget();
 
   225     return m_widget;
 
   237     return m_widget;
 
   226 }
 
   238 }
 
   227 
   239 
   228 Qt::AspectRatioMode QGstreamerVideoWidgetControl::aspectRatioMode() const
 
   240 Qt::AspectRatioMode QGstreamerVideoWidgetControl::aspectRatioMode() const
 
   229 {
 
   241 {
 
   254 
   266 
   255 int QGstreamerVideoWidgetControl::brightness() const
 
   267 int QGstreamerVideoWidgetControl::brightness() const
 
   256 {
 
   268 {
 
   257     int brightness = 0;
 
   269     int brightness = 0;
 
   258 
   270 
   259     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "brightness"))
 
   271     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "brightness"))
 
   260         g_object_get(G_OBJECT(m_videoSink), "brightness", &brightness, NULL);
 
   272         g_object_get(G_OBJECT(m_videoSink), "brightness", &brightness, NULL);
 
   261 
   273 
   262     return brightness / 10;
 
   274     return brightness / 10;
 
   263 }
 
   275 }
 
   264 
   276 
   265 void QGstreamerVideoWidgetControl::setBrightness(int brightness)
 
   277 void QGstreamerVideoWidgetControl::setBrightness(int brightness)
 
   266 {
 
   278 {
 
   267     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "brightness")) {
 
   279     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "brightness")) {
 
   268         g_object_set(G_OBJECT(m_videoSink), "brightness", brightness * 10, NULL);
 
   280         g_object_set(G_OBJECT(m_videoSink), "brightness", brightness * 10, NULL);
 
   269 
   281 
   270         emit brightnessChanged(brightness);
 
   282         emit brightnessChanged(brightness);
 
   271     }
 
   283     }
 
   272 }
 
   284 }
 
   273 
   285 
   274 int QGstreamerVideoWidgetControl::contrast() const
 
   286 int QGstreamerVideoWidgetControl::contrast() const
 
   275 {
 
   287 {
 
   276     int contrast = 0;
 
   288     int contrast = 0;
 
   277 
   289 
   278     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "contrast"))
 
   290     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "contrast"))
 
   279     g_object_get(G_OBJECT(m_videoSink), "contrast", &contrast, NULL);
 
   291         g_object_get(G_OBJECT(m_videoSink), "contrast", &contrast, NULL);
 
   280 
   292 
   281     return contrast / 10;
 
   293     return contrast / 10;
 
   282 }
 
   294 }
 
   283 
   295 
   284 void QGstreamerVideoWidgetControl::setContrast(int contrast)
 
   296 void QGstreamerVideoWidgetControl::setContrast(int contrast)
 
   285 {
 
   297 {
 
   286     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "contrast")) {
 
   298     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "contrast")) {
 
   287         g_object_set(G_OBJECT(m_videoSink), "contrast", contrast * 10, NULL);
 
   299         g_object_set(G_OBJECT(m_videoSink), "contrast", contrast * 10, NULL);
 
   288 
   300 
   289         emit contrastChanged(contrast);
 
   301         emit contrastChanged(contrast);
 
   290     }
 
   302     }
 
   291 }
 
   303 }
 
   292 
   304 
   293 int QGstreamerVideoWidgetControl::hue() const
 
   305 int QGstreamerVideoWidgetControl::hue() const
 
   294 {
 
   306 {
 
   295     int hue = 0;
 
   307     int hue = 0;
 
   296 
   308 
   297     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue"))
 
   309     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue"))
 
   298         g_object_get(G_OBJECT(m_videoSink), "hue", &hue, NULL);
 
   310         g_object_get(G_OBJECT(m_videoSink), "hue", &hue, NULL);
 
   299 
   311 
   300     return hue / 10;
 
   312     return hue / 10;
 
   301 }
 
   313 }
 
   302 
   314 
   303 void QGstreamerVideoWidgetControl::setHue(int hue)
 
   315 void QGstreamerVideoWidgetControl::setHue(int hue)
 
   304 {
 
   316 {
 
   305     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue")) {
 
   317     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue")) {
 
   306         g_object_set(G_OBJECT(m_videoSink), "hue", hue * 10, NULL);
 
   318         g_object_set(G_OBJECT(m_videoSink), "hue", hue * 10, NULL);
 
   307 
   319 
   308         emit hueChanged(hue);
 
   320         emit hueChanged(hue);
 
   309     }
 
   321     }
 
   310 }
 
   322 }
 
   311 
   323 
   312 int QGstreamerVideoWidgetControl::saturation() const
 
   324 int QGstreamerVideoWidgetControl::saturation() const
 
   313 {
 
   325 {
 
   314     int saturation = 0;
 
   326     int saturation = 0;
 
   315 
   327 
   316     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation"))
 
   328     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation"))
 
   317         g_object_get(G_OBJECT(m_videoSink), "saturation", &saturation, NULL);
 
   329         g_object_get(G_OBJECT(m_videoSink), "saturation", &saturation, NULL);
 
   318 
   330 
   319     return saturation / 10;
 
   331     return saturation / 10;
 
   320 }
 
   332 }
 
   321 
   333 
   322 void QGstreamerVideoWidgetControl::setSaturation(int saturation)
 
   334 void QGstreamerVideoWidgetControl::setSaturation(int saturation)
 
   323 {
 
   335 {
 
   324     if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation")) {
 
   336     if (m_videoSink && g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation")) {
 
   325         g_object_set(G_OBJECT(m_videoSink), "saturation", saturation * 10, NULL);
 
   337         g_object_set(G_OBJECT(m_videoSink), "saturation", saturation * 10, NULL);
 
   326 
   338 
   327         emit saturationChanged(saturation);
 
   339         emit saturationChanged(saturation);
 
   328     }
 
   340     }
 
   329 }
 
   341 }
FCL/sf/mw/qtextensions