GStreamer: fix memory leaks.

Many GStreamer objects were not properly managed or never released.

Change-Id: I38b3854e8b9e2264b5b647f331d3bb16b886e2d6
Reviewed-by: Andrew den Exter <andrew.den.exter@qinetic.com.au>

2 files changed, 5 insertions, 1 deletions

diff --git a/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecoderserviceplugin.cpp b/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecoderserviceplugin.cpp
index d34c10e10..3085d1391 100644
--- a/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecoderserviceplugin.cpp
+++ b/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecoderserviceplugin.cpp
@@ -147,6 +147,7 @@ void QGstreamerAudioDecoderServicePlugin::updateSupportedMimeTypes() const
                                         }
                                     }
                                 }
+                                gst_caps_unref(caps);
                             }
                         }
                         gst_object_unref (factory);
diff --git a/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecodersession.cpp b/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecodersession.cpp
index 5bcf1aa54..9f1a765ec 100644
--- a/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecodersession.cpp
+++ b/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecodersession.cpp
@@ -158,6 +158,8 @@ void QGstreamerAudioDecoderSession::configureAppSrcElement(GObject* object, GObj
 
     if (!self->appsrc()->setup(appsrc))
         qWarning()<<"Could not setup appsrc element";
+
+    g_object_unref(G_OBJECT(appsrc));
 }
 #endif
 
@@ -372,7 +374,8 @@ void QGstreamerAudioDecoderSession::start()
         if (mFormat.isValid()) {
             setAudioFlags(false);
             GstCaps *caps = QGstUtils::capsForAudioFormat(mFormat);
-            gst_app_sink_set_caps(m_appSink, caps); // appsink unrefs caps
+            gst_app_sink_set_caps(m_appSink, caps);
+            gst_caps_unref(caps);
         } else {
             // We want whatever the native audio format is
             setAudioFlags(true);