X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lib%2Fqtcamgraphicsviewfinder.cpp;h=342255a9174f36059acf11ca7a1c769ee42cc499;hb=54fb1613f72fc8765aaffb6d7e816ea3567b6ded;hp=76ccad12fd8f5cd8bb2e0a3da780d73ba66da449;hpb=ddd8b7037bf34c35800f2a8cec0af45fcbd72a68;p=harmattan%2Fcameraplus

diff --git a/lib/qtcamgraphicsviewfinder.cpp b/lib/qtcamgraphicsviewfinder.cpp
index 76ccad1..342255a 100644
--- a/lib/qtcamgraphicsviewfinder.cpp
+++ b/lib/qtcamgraphicsviewfinder.cpp
@@ -11,6 +11,11 @@ public:
   void ensureBackend() {
     if (!renderer) {
       renderer = QtCamViewfinderRenderer::create(conf, q_ptr);
+      if (!renderer) {
+	qCritical() << "Failed to create a viewfinder renderer";
+	return;
+      }
+
       renderer->resize(q_ptr->size());
       QObject::connect(renderer, SIGNAL(updateRequested()), q_ptr, SLOT(updateRequested()));
     }
@@ -43,6 +48,10 @@ QtCamGraphicsViewfinder::~QtCamGraphicsViewfinder() {
 GstElement *QtCamGraphicsViewfinder::sinkElement() {
   d_ptr->ensureBackend();
 
+  if (!d_ptr->renderer) {
+    return 0;
+  }
+
   return d_ptr->renderer->sinkElement();
 }