[gstreamermm] taglist - Glib::Value destructo assume they are always initialized

[Marcin Kolny <mkolny src gnome org>]

commit b0a34b05eb2b6aa39f804e23aa30a3d95888ce9f
Author: Tomasz Lakota <tomasz lakota flytronic pl>
Date:   Thu Mar 27 21:23:02 2014 +0100

    taglist - Glib::Value destructo assume they are always initialized
    
    Conflicts:
        gstreamer/gstreamermm/taglist.cc
        gstreamer/gstreamermm/taglist.h

 gstreamer/src/taglist.ccg |   13 ++++++++++---
 gstreamer/src/taglist.hg  |    5 +++++
 2 files changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/gstreamer/src/taglist.ccg b/gstreamer/src/taglist.ccg
index 90164c6..8c29f1d 100644
--- a/gstreamer/src/taglist.ccg
+++ b/gstreamer/src/taglist.ccg
@@ -164,8 +164,14 @@ bool TagList::get_value(Tag tag, Glib::ValueBase& dest) const
 
 bool TagList::get_value(const Glib::ustring& tag, Glib::ValueBase& dest) const
 {
-  return gst_tag_list_copy_value(dest.gobj(), const_cast<GstTagList*>(gobj()),
-    tag.c_str());
+  GValue gst_value = {0};
+  if(gst_tag_list_copy_value(&gst_value, const_cast<GstTagList*>(gobj()), tag.c_str()))
+  {
+    g_value_copy(&gst_value, dest.gobj());
+    g_value_unset(&gst_value);
+    return true;
+  }
+  return false;
 }
 
 bool TagList::get_value(Tag tag, guint index, Glib::ValueBase& value) const
@@ -178,9 +184,10 @@ bool TagList::get_value(const Glib::ustring& tag, guint index, Glib::ValueBase&
   const GValue* gst_value =
     gst_tag_list_get_value_index(const_cast<GstTagList*>(gobj()),
     tag.c_str(), index);
+
   if(gst_value)
   {
-    value.init(gst_value);
+    g_value_copy(gst_value, value.gobj());
     return true;
   }
 
diff --git a/gstreamer/src/taglist.hg b/gstreamer/src/taglist.hg
index 3b202a3..c8795f7 100644
--- a/gstreamer/src/taglist.hg
+++ b/gstreamer/src/taglist.hg
@@ -601,6 +601,7 @@ template<class DataType>
 bool TagList::get(Tag tag, DataType& data) const
 {
   Glib::Value<DataType> value;
+  value.init(value.value_type());
   const bool result = this->get_value(tag, value);
 
   if(result)
@@ -613,6 +614,7 @@ template<class DataType>
 bool TagList::get(const Glib::ustring& tag, DataType& data) const
 {
   Glib::Value<DataType> value;
+  value.init(value.value_type());
   const bool result = this->get_value(tag, value);
 
   if(result)
@@ -625,6 +627,7 @@ template<class DataType>
 bool TagList::get(Tag tag, guint index, DataType& data) const
 {
   Glib::Value<DataType> value;
+  value.init(value.value_type());
   bool result = this->get_value(tag, index, value);
 
   if(result)
@@ -637,6 +640,7 @@ template<class DataType>
 bool TagList::get(const Glib::ustring& tag, guint index, DataType& data) const
 {
   Glib::Value<DataType> value;
+  value.init(value.value_type());
   bool result = this->get_value(tag, index, value);
 
   if(result)
@@ -645,6 +649,7 @@ bool TagList::get(const Glib::ustring& tag, guint index, DataType& data) const
   return result;
 }
 
+
 #endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
 } //namespace Gst