Merge remote-tracking branch 'origin/5.8' into dev

Conflicts:
	.qmake.conf
	examples/multimediawidgets/videographicsitem/videoplayer.h
	src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp

Change-Id: Id5ce05ffe2cd25657232157b162680b2e24a35ba

2 files changed, 11 insertions, 2 deletions

diff --git a/src/plugins/winrt/qwinrtabstractvideorenderercontrol.cpp b/src/plugins/winrt/qwinrtabstractvideorenderercontrol.cpp
index 561d9e03c..b3fd11111 100644
--- a/src/plugins/winrt/qwinrtabstractvideorenderercontrol.cpp
+++ b/src/plugins/winrt/qwinrtabstractvideorenderercontrol.cpp
@@ -356,6 +356,13 @@ void QWinRTAbstractVideoRendererControl::setActive(bool active)
         if (!d->surface)
             return;
 
+        // This only happens for quick restart scenarios, for instance
+        // when switching cameras.
+        if (d->renderThread.isRunning() && d->renderThread.isInterruptionRequested()) {
+            CriticalSectionLocker lock(&d->mutex);
+            d->renderThread.wait();
+        }
+
         if (!d->surface->isActive())
             d->surface->start(d->format);
 
@@ -363,7 +370,8 @@ void QWinRTAbstractVideoRendererControl::setActive(bool active)
         return;
     }
 
-    shutdown();
+    d->renderThread.requestInterruption();
+
     if (d->surface && d->surface->isActive())
         d->surface->stop();
 }
diff --git a/src/plugins/winrt/qwinrtmediaplayercontrol.cpp b/src/plugins/winrt/qwinrtmediaplayercontrol.cpp
index 5720488f2..a4df6306f 100644
--- a/src/plugins/winrt/qwinrtmediaplayercontrol.cpp
+++ b/src/plugins/winrt/qwinrtmediaplayercontrol.cpp
@@ -267,7 +267,8 @@ public:
         }
 
         if (d->videoRenderer)
-            d->videoRenderer->setActive(d->state == QMediaPlayer::PlayingState);
+            d->videoRenderer->setActive(d->state == QMediaPlayer::PlayingState &&
+                                        d->videoRenderer->size().isValid());
 
         const QMediaPlayer::MediaStatus oldMediaStatus = d->mediaStatus;
         const QMediaPlayer::State oldState = d->state;