Support the Expanding aspect ratio mode in the gstreamer window control.

Reviewed-by: Dmytro Poplavskiy
Task-number: QTBUG-9118

3 files changed, 30 insertions, 2 deletions

diff --git a/src/plugins/mediaservices/gstreamer/qgstreamervideooverlay.cpp b/src/plugins/mediaservices/gstreamer/qgstreamervideooverlay.cpp
index 427d514..f381f7f 100644
--- a/src/plugins/mediaservices/gstreamer/qgstreamervideooverlay.cpp
+++ b/src/plugins/mediaservices/gstreamer/qgstreamervideooverlay.cpp
@@ -192,21 +192,36 @@ void QGstreamerVideoOverlay::surfaceFormatChanged()
 
 void QGstreamerVideoOverlay::setScaledDisplayRect()
 {
+    QRect formatViewport = m_surface->surfaceFormat().viewport();
+
     switch (m_aspectRatioMode) {
     case Qt::KeepAspectRatio:
         {
-            QSize size = m_surface->surfaceFormat().viewport().size();
-
+            QSize size = m_surface->surfaceFormat().sizeHint();
             size.scale(m_displayRect.size(), Qt::KeepAspectRatio);
 
             QRect rect(QPoint(0, 0), size);
             rect.moveCenter(m_displayRect.center());
 
             m_surface->setDisplayRect(rect);
+            m_surface->setViewport(formatViewport);
         }
         break;
     case Qt::IgnoreAspectRatio:
         m_surface->setDisplayRect(m_displayRect);
+        m_surface->setViewport(formatViewport);
+        break;
+    case Qt::KeepAspectRatioByExpanding:
+        {
+            QSize size = m_displayRect.size();
+            size.scale(m_surface->surfaceFormat().sizeHint(), Qt::KeepAspectRatio);
+
+            QRect viewport(QPoint(0, 0), size);
+            viewport.moveCenter(formatViewport.center());
+
+            m_surface->setDisplayRect(m_displayRect);
+            m_surface->setViewport(viewport);
+        }
         break;
     };
 }
diff --git a/src/plugins/mediaservices/gstreamer/qx11videosurface.cpp b/src/plugins/mediaservices/gstreamer/qx11videosurface.cpp
index cbd5a76..70b8527 100644
--- a/src/plugins/mediaservices/gstreamer/qx11videosurface.cpp
+++ b/src/plugins/mediaservices/gstreamer/qx11videosurface.cpp
@@ -213,6 +213,16 @@ void QX11VideoSurface::setDisplayRect(const QRect &rect)
     m_displayRect = rect;
 }
 
+QRect QX11VideoSurface::viewport() const
+{
+    return m_viewport;
+}
+
+void QX11VideoSurface::setViewport(const QRect &rect)
+{
+    m_viewport = rect;
+}
+
 int QX11VideoSurface::brightness() const
 {
     return getAttribute("XV_BRIGHTNESS", m_brightnessRange.first, m_brightnessRange.second);
diff --git a/src/plugins/mediaservices/gstreamer/qx11videosurface.h b/src/plugins/mediaservices/gstreamer/qx11videosurface.h
index 1be963e..10f79a6 100644
--- a/src/plugins/mediaservices/gstreamer/qx11videosurface.h
+++ b/src/plugins/mediaservices/gstreamer/qx11videosurface.h
@@ -67,6 +67,9 @@ public:
     QRect displayRect() const;
     void setDisplayRect(const QRect &rect);
 
+    QRect viewport() const;
+    void setViewport(const QRect &rect);
+
     int brightness() const;
     void setBrightness(int brightness);