Fix sizeHint() of QVideoWidget/QVideoGraphicsItem

Doesn't yet fix all test failures, but it's an
improvement.

Change-Id: I775857f1fb580b78ae137dc71ee445a15eafd0a7
Reviewed-by: Doris Verria <doris.verria@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 6 insertions, 4 deletions

diff --git a/src/multimediawidgets/qvideowidget.cpp b/src/multimediawidgets/qvideowidget.cpp
index eebda495b..ff7b488d6 100644
--- a/src/multimediawidgets/qvideowidget.cpp
+++ b/src/multimediawidgets/qvideowidget.cpp
@@ -308,11 +308,13 @@ void QVideoWidget::setSaturation(float saturation)
  */
 QSize QVideoWidget::sizeHint() const
 {
-//    Q_D(const QVideoWidget);
+    Q_D(const QVideoWidget);
 
-// #####
-//    if (d->video)
-//        return d->backend->sizeHint();
+    if (d->videoSink) {
+        auto size = d->videoSink->videoSize();
+        if (size.isValid())
+            return size;
+    }
 
     return QWidget::sizeHint();
 }