diff --git a/gir-files/Gst-1.0.gir b/gir-files/Gst-1.0.gir
index 8274ed311..c1d9bc2e7 100644
--- a/gir-files/Gst-1.0.gir
+++ b/gir-files/Gst-1.0.gir
@@ -786,7 +786,7 @@ the bin does not want to accept the element.</doc>
             <doc xml:space="preserve">a #GstBin</doc>
             <type name="Bin" c:type="GstBin*"/>
           </instance-parameter>
-          <parameter name="element" transfer-ownership="full">
+          <parameter name="element" transfer-ownership="none">
             <doc xml:space="preserve">the #GstElement to add</doc>
             <type name="Element" c:type="GstElement*"/>
           </parameter>
@@ -806,11 +806,11 @@ value of each gst_bin_add() is ignored.</doc>
             <doc xml:space="preserve">a #GstBin</doc>
             <type name="Bin" c:type="GstBin*"/>
           </instance-parameter>
-          <parameter name="element_1" transfer-ownership="full">
+          <parameter name="element_1" transfer-ownership="none">
             <doc xml:space="preserve">the #GstElement element to add to the bin</doc>
             <type name="Element" c:type="GstElement*"/>
           </parameter>
-          <parameter name="..." transfer-ownership="full">
+          <parameter name="..." transfer-ownership="none">
             <doc xml:space="preserve">additional elements to add to the bin</doc>
             <varargs/>
           </parameter>
@@ -3380,7 +3380,7 @@ Use gst_object_unref() to release the reference to a bufferpool. If the
 refcount of the pool reaches 0, the pool will be freed.</doc>
       <constructor name="new" c:identifier="gst_buffer_pool_new">
         <doc xml:space="preserve">Creates a new #GstBufferPool instance.</doc>
-        <return-value transfer-ownership="none">
+        <return-value transfer-ownership="full">
           <doc xml:space="preserve">a new #GstBufferPool instance</doc>
           <type name="BufferPool" c:type="GstBufferPool*"/>
         </return-value>
@@ -11271,7 +11271,7 @@ This is for use by subclasses.</doc>
             <doc xml:space="preserve">a #GstDeviceProvider</doc>
             <type name="DeviceProvider" c:type="GstDeviceProvider*"/>
           </instance-parameter>
-          <parameter name="device" transfer-ownership="full">
+          <parameter name="device" transfer-ownership="none">
             <doc xml:space="preserve">a #GstDevice that has been added</doc>
             <type name="Device" c:type="GstDevice*"/>
           </parameter>
@@ -12796,7 +12796,7 @@ MT safe.</doc>
             <doc xml:space="preserve">a #GstElement to add the pad to.</doc>
             <type name="Element" c:type="GstElement*"/>
           </instance-parameter>
-          <parameter name="pad" transfer-ownership="full">
+          <parameter name="pad" transfer-ownership="none">
             <doc xml:space="preserve">the #GstPad to add to the element.</doc>
             <type name="Pad" c:type="GstPad*"/>
           </parameter>
@@ -14919,7 +14919,7 @@ existing one is added the old one is replaced by the new one.</doc>
             <doc xml:space="preserve">the #GstElementClass to add the pad template to.</doc>
             <type name="ElementClass" c:type="GstElementClass*"/>
           </instance-parameter>
-          <parameter name="templ" transfer-ownership="full">
+          <parameter name="templ" transfer-ownership="none">
             <doc xml:space="preserve">a #GstPadTemplate to add to the element class.</doc>
             <type name="PadTemplate" c:type="GstPadTemplate*"/>
           </parameter>
@@ -17800,7 +17800,7 @@ case of an error.</doc>
 from the target pad. The template used on the ghostpad will be @template.
 
 Will ref the target.</doc>
-        <return-value transfer-ownership="full" nullable="1">
+        <return-value transfer-ownership="none" nullable="1">
           <doc xml:space="preserve">a new #GstPad, or %NULL in
 case of an error.</doc>
           <type name="Pad" c:type="GstPad*"/>
@@ -17830,7 +17830,7 @@ A target can be set on the ghostpad later with the
 gst_ghost_pad_set_target() function.
 
 The created ghostpad will not have a padtemplate.</doc>
-        <return-value transfer-ownership="full" nullable="1">
+        <return-value transfer-ownership="none" nullable="1">
           <doc xml:space="preserve">a new #GstPad, or %NULL in
 case of an error.</doc>
           <type name="Pad" c:type="GstPad*"/>
@@ -17853,7 +17853,7 @@ case of an error.</doc>
                    c:identifier="gst_ghost_pad_new_no_target_from_template">
         <doc xml:space="preserve">Create a new ghostpad based on @templ, without setting a target. The
 direction will be taken from the @templ.</doc>
-        <return-value transfer-ownership="full" nullable="1">
+        <return-value transfer-ownership="none" nullable="1">
           <doc xml:space="preserve">a new #GstPad, or %NULL in
 case of an error.</doc>
           <type name="Pad" c:type="GstPad*"/>
@@ -23742,7 +23742,7 @@ has been setup for a non suitable property, %TRUE otherwise.</doc>
             <doc xml:space="preserve">the controller object</doc>
             <type name="Object" c:type="GstObject*"/>
           </instance-parameter>
-          <parameter name="binding" transfer-ownership="full">
+          <parameter name="binding" transfer-ownership="none">
             <doc xml:space="preserve">the #GstControlBinding that should be used</doc>
             <type name="ControlBinding" c:type="GstControlBinding*"/>
           </parameter>
@@ -23852,7 +23852,9 @@ curve or apply a control curve sample by sample.</doc>
           </parameter>
           <parameter name="values" transfer-ownership="none">
             <doc xml:space="preserve">array to put control-values in</doc>
-            <type name="GObject.Value" c:type="GValue*"/>
+            <array length="3" zero-terminated="0" c:type="GValue*">
+              <type name="GObject.Value" c:type="GValue"/>
+            </array>
           </parameter>
         </parameters>
       </method>
@@ -23936,7 +23938,9 @@ or %NULL if the property isn't controlled.</doc>
           </parameter>
         </parameters>
       </method>
-      <method name="get_value_array" c:identifier="gst_object_get_value_array">
+      <method name="get_value_array"
+              c:identifier="gst_object_get_value_array"
+              introspectable="0">
         <doc xml:space="preserve">Gets a number of values for the given controlled property starting at the
 requested time. The array @values need to hold enough space for @n_values of
 the same type as the objects property's type.
@@ -28357,6 +28361,19 @@ Free-function: gst_parse_context_free</doc>
           <type name="ParseContext" c:type="GstParseContext*"/>
         </return-value>
       </constructor>
+      <method name="copy" c:identifier="gst_parse_context_copy">
+        <doc xml:space="preserve">Copies the @context.</doc>
+        <return-value transfer-ownership="full">
+          <doc xml:space="preserve">A copied #GstParseContext</doc>
+          <type name="ParseContext" c:type="GstParseContext*"/>
+        </return-value>
+        <parameters>
+          <instance-parameter name="context" transfer-ownership="none">
+            <doc xml:space="preserve">a #GstParseContext</doc>
+            <type name="ParseContext" c:type="const GstParseContext*"/>
+          </instance-parameter>
+        </parameters>
+      </method>
       <method name="free" c:identifier="gst_parse_context_free">
         <doc xml:space="preserve">Frees a parse context previously allocated with gst_parse_context_new().</doc>
         <return-value transfer-ownership="none">
@@ -33498,7 +33515,7 @@ MT safe.</doc>
             <doc xml:space="preserve">the registry to add the plugin to</doc>
             <type name="Registry" c:type="GstRegistry*"/>
           </instance-parameter>
-          <parameter name="feature" transfer-ownership="full">
+          <parameter name="feature" transfer-ownership="none">
             <doc xml:space="preserve">the feature to add</doc>
             <type name="PluginFeature" c:type="GstPluginFeature*"/>
           </parameter>
@@ -33518,7 +33535,7 @@ MT safe.</doc>
             <doc xml:space="preserve">the registry to add the plugin to</doc>
             <type name="Registry" c:type="GstRegistry*"/>
           </instance-parameter>
-          <parameter name="plugin" transfer-ownership="full">
+          <parameter name="plugin" transfer-ownership="none">
             <doc xml:space="preserve">the plugin to add</doc>
             <type name="Plugin" c:type="GstPlugin*"/>
           </parameter>
@@ -35361,7 +35378,7 @@ instantiate a #GstCaps.</doc>
       </field>
       <method name="get" c:identifier="gst_static_pad_template_get">
         <doc xml:space="preserve">Converts a #GstStaticPadTemplate into a #GstPadTemplate.</doc>
-        <return-value transfer-ownership="full">
+        <return-value transfer-ownership="none">
           <doc xml:space="preserve">a new #GstPadTemplate.</doc>
           <type name="PadTemplate" c:type="GstPadTemplate*"/>
         </return-value>
@@ -35411,7 +35428,7 @@ pertinent to streams of data).</doc>
       <constructor name="new" c:identifier="gst_stream_new" version="1.10">
         <doc xml:space="preserve">Create a new #GstStream for the given @stream_id, @caps, @type
 and @flags</doc>
-        <return-value transfer-ownership="none">
+        <return-value transfer-ownership="full">
           <doc xml:space="preserve">The new #GstStream</doc>
           <type name="Stream" c:type="GstStream*"/>
         </return-value>
@@ -35682,7 +35699,7 @@ Applications can activate streams from a collection by using the
                    c:identifier="gst_stream_collection_new"
                    version="1.10">
         <doc xml:space="preserve">Create a new #GstStreamCollection.</doc>
-        <return-value transfer-ownership="none">
+        <return-value transfer-ownership="full">
           <doc xml:space="preserve">The new #GstStreamCollection.</doc>
           <type name="StreamCollection" c:type="GstStreamCollection*"/>
         </return-value>
@@ -43728,7 +43745,7 @@ determine a order for the two provided values.</doc>
       <doc xml:space="preserve">The major version of GStreamer at compile time:</doc>
       <type name="gint" c:type="gint"/>
     </constant>
-    <constant name="VERSION_MICRO" value="0" c:type="GST_VERSION_MICRO">
+    <constant name="VERSION_MICRO" value="1" c:type="GST_VERSION_MICRO">
       <doc xml:space="preserve">The micro version of GStreamer at compile time:</doc>
       <type name="gint" c:type="gint"/>
     </constant>
diff --git a/gir-files/GstBase-1.0.gir b/gir-files/GstBase-1.0.gir
index 5c49a74cb..50824ab31 100644
--- a/gir-files/GstBase-1.0.gir
+++ b/gir-files/GstBase-1.0.gir
@@ -1974,6 +1974,16 @@ then use gst_base_parse_frame_init() to initialise it.</doc>
           </parameter>
         </parameters>
       </constructor>
+      <method name="copy" c:identifier="gst_base_parse_frame_copy">
+        <return-value transfer-ownership="full">
+          <type name="BaseParseFrame" c:type="GstBaseParseFrame*"/>
+        </return-value>
+        <parameters>
+          <instance-parameter name="frame" transfer-ownership="none">
+            <type name="BaseParseFrame" c:type="GstBaseParseFrame*"/>
+          </instance-parameter>
+        </parameters>
+      </method>
       <method name="free" c:identifier="gst_base_parse_frame_free">
         <return-value transfer-ownership="none">
           <type name="none" c:type="void"/>
@@ -10211,6 +10221,16 @@ returned immediatelly from the gst_flow_combiner_update_flow() function.</doc>
           </instance-parameter>
         </parameters>
       </method>
+      <method name="ref" c:identifier="gst_flow_combiner_ref">
+        <return-value transfer-ownership="full">
+          <type name="FlowCombiner" c:type="GstFlowCombiner*"/>
+        </return-value>
+        <parameters>
+          <instance-parameter name="combiner" transfer-ownership="none">
+            <type name="FlowCombiner" c:type="GstFlowCombiner*"/>
+          </instance-parameter>
+        </parameters>
+      </method>
       <method name="remove_pad"
               c:identifier="gst_flow_combiner_remove_pad"
               version="1.4">
@@ -10243,6 +10263,16 @@ returned immediatelly from the gst_flow_combiner_update_flow() function.</doc>
           </instance-parameter>
         </parameters>
       </method>
+      <method name="unref" c:identifier="gst_flow_combiner_unref">
+        <return-value transfer-ownership="none">
+          <type name="none" c:type="void"/>
+        </return-value>
+        <parameters>
+          <instance-parameter name="combiner" transfer-ownership="none">
+            <type name="FlowCombiner" c:type="GstFlowCombiner*"/>
+          </instance-parameter>
+        </parameters>
+      </method>
       <method name="update_flow"
               c:identifier="gst_flow_combiner_update_flow"
               version="1.4">
diff --git a/gir-files/GstPbutils-1.0.gir b/gir-files/GstPbutils-1.0.gir
index 9148395ad..8ce604dd7 100644
--- a/gir-files/GstPbutils-1.0.gir
+++ b/gir-files/GstPbutils-1.0.gir
@@ -2407,6 +2407,18 @@ gst_install_plugins_context_free() when no longer needed</doc>
                 c:type="GstInstallPluginsContext*"/>
         </return-value>
       </constructor>
+      <method name="copy" c:identifier="gst_install_plugins_context_copy">
+        <return-value transfer-ownership="full">
+          <type name="InstallPluginsContext"
+                c:type="GstInstallPluginsContext*"/>
+        </return-value>
+        <parameters>
+          <instance-parameter name="ctx" transfer-ownership="none">
+            <type name="InstallPluginsContext"
+                  c:type="GstInstallPluginsContext*"/>
+          </instance-parameter>
+        </parameters>
+      </method>
       <method name="free" c:identifier="gst_install_plugins_context_free">
         <doc xml:space="preserve">Frees a #GstInstallPluginsContext.</doc>
         <return-value transfer-ownership="none">
@@ -2683,7 +2695,7 @@ in debugging.</doc>
       <type name="gint" c:type="gint"/>
     </constant>
     <constant name="PLUGINS_BASE_VERSION_MICRO"
-              value="0"
+              value="1"
               c:type="GST_PLUGINS_BASE_VERSION_MICRO">
       <doc xml:space="preserve">The micro version of GStreamer's gst-plugins-base libraries at compile time.</doc>
       <type name="gint" c:type="gint"/>
diff --git a/gir-files/GstVideo-1.0.gir b/gir-files/GstVideo-1.0.gir
index 451da39cd..5031bc62a 100644
--- a/gir-files/GstVideo-1.0.gir
+++ b/gir-files/GstVideo-1.0.gir
@@ -601,9 +601,14 @@ associated command.</doc>
             <doc xml:space="preserve">A #GstEvent to inspect.</doc>
             <type name="Gst.Event" c:type="GstEvent*"/>
           </parameter>
-          <parameter name="command" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to GstNavigationCommand to receive the type of the
-navigation event.</doc>
+          <parameter name="command"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to GstNavigationCommand to receive the
+    type of the navigation event.</doc>
             <type name="NavigationCommand" c:type="GstNavigationCommand*"/>
           </parameter>
         </parameters>
@@ -618,10 +623,15 @@ navigation event.</doc>
             <doc xml:space="preserve">A #GstEvent to inspect.</doc>
             <type name="Gst.Event" c:type="GstEvent*"/>
           </parameter>
-          <parameter name="key" transfer-ownership="none">
-            <doc xml:space="preserve">A pointer to a location to receive the string identifying the key
-press. The returned string is owned by the event, and valid only until the
-event is unreffed.</doc>
+          <parameter name="key"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="none"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">A pointer to a location to receive
+    the string identifying the key press. The returned string is owned by the
+    event, and valid only until the event is unreffed.</doc>
             <type name="utf8" c:type="const gchar**"/>
           </parameter>
         </parameters>
@@ -641,19 +651,34 @@ gst_navigation_event_get_type() to retrieve the #GstNavigationEventType.</doc>
             <doc xml:space="preserve">A #GstEvent to inspect.</doc>
             <type name="Gst.Event" c:type="GstEvent*"/>
           </parameter>
-          <parameter name="button" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a gint that will receive the button number associated
-with the event.</doc>
+          <parameter name="button"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a gint that will receive the button
+    number associated with the event.</doc>
             <type name="gint" c:type="gint*"/>
           </parameter>
-          <parameter name="x" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the mouse button
-event.</doc>
+          <parameter name="x"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the
+    mouse button event.</doc>
             <type name="gdouble" c:type="gdouble*"/>
           </parameter>
-          <parameter name="y" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the mouse button
-event.</doc>
+          <parameter name="y"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the
+    mouse button event.</doc>
             <type name="gdouble" c:type="gdouble*"/>
           </parameter>
         </parameters>
@@ -671,12 +696,24 @@ of the event.</doc>
             <doc xml:space="preserve">A #GstEvent to inspect.</doc>
             <type name="Gst.Event" c:type="GstEvent*"/>
           </parameter>
-          <parameter name="x" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the mouse movement.</doc>
+          <parameter name="x"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the
+    mouse movement.</doc>
             <type name="gdouble" c:type="gdouble*"/>
           </parameter>
-          <parameter name="y" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the mouse movement.</doc>
+          <parameter name="y"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the
+    mouse movement.</doc>
             <type name="gdouble" c:type="gdouble*"/>
           </parameter>
         </parameters>
@@ -792,13 +829,24 @@ and extract the @cur_angle and @n_angles parameters.</doc>
             <doc xml:space="preserve">A #GstMessage to inspect.</doc>
             <type name="Gst.Message" c:type="GstMessage*"/>
           </parameter>
-          <parameter name="cur_angle" transfer-ownership="none">
-            <doc xml:space="preserve">A pointer to a #guint to receive the new current angle number,
-or NULL</doc>
+          <parameter name="cur_angle"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">A pointer to a #guint to receive the new
+    current angle number, or NULL</doc>
             <type name="guint" c:type="guint*"/>
           </parameter>
-          <parameter name="n_angles" transfer-ownership="none">
-            <doc xml:space="preserve">A pointer to a #guint to receive the new angle count, or NULL.</doc>
+          <parameter name="n_angles"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">A pointer to a #guint to receive the new angle
+    count, or NULL.</doc>
             <type name="guint" c:type="guint*"/>
           </parameter>
         </parameters>
@@ -821,9 +869,11 @@ with it.</doc>
           <parameter name="event"
                      direction="out"
                      caller-allocates="0"
-                     transfer-ownership="full">
-            <doc xml:space="preserve">a pointer to a #GstEvent to receive the
-    contained navigation event.</doc>
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">a pointer to a #GstEvent to receive
+    the contained navigation event.</doc>
             <type name="Gst.Event" c:type="GstEvent**"/>
           </parameter>
         </parameters>
@@ -842,9 +892,14 @@ active, it indicates that the mouse is over a clickable area.</doc>
             <doc xml:space="preserve">A #GstMessage to inspect.</doc>
             <type name="Gst.Message" c:type="GstMessage*"/>
           </parameter>
-          <parameter name="active" transfer-ownership="none">
-            <doc xml:space="preserve">A pointer to a gboolean to receive the active/inactive state,
-or NULL.</doc>
+          <parameter name="active"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">A pointer to a gboolean to receive the
+    active/inactive state, or NULL.</doc>
             <type name="gboolean" c:type="gboolean*"/>
           </parameter>
         </parameters>
@@ -898,14 +953,24 @@ angles into the #guint pointed to by the @n_angles variable.</doc>
             <doc xml:space="preserve">a #GstQuery</doc>
             <type name="Gst.Query" c:type="GstQuery*"/>
           </parameter>
-          <parameter name="cur_angle" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a #guint into which to store the currently selected
-angle value from the query, or NULL</doc>
+          <parameter name="cur_angle"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a #guint into which to store the
+    currently selected angle value from the query, or NULL</doc>
             <type name="guint" c:type="guint*"/>
           </parameter>
-          <parameter name="n_angles" transfer-ownership="none">
-            <doc xml:space="preserve">Pointer to a #guint into which to store the number of angles
-value from the query, or NULL</doc>
+          <parameter name="n_angles"
+                     direction="out"
+                     caller-allocates="0"
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
+            <doc xml:space="preserve">Pointer to a #guint into which to store the
+    number of angles value from the query, or NULL</doc>
             <type name="guint" c:type="guint*"/>
           </parameter>
         </parameters>
@@ -925,7 +990,9 @@ value from the query, or NULL</doc>
           <parameter name="n_cmds"
                      direction="out"
                      caller-allocates="0"
-                     transfer-ownership="full">
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
             <doc xml:space="preserve">the number of commands in this query.</doc>
             <type name="guint" c:type="guint*"/>
           </parameter>
@@ -952,7 +1019,9 @@ set to #GST_NAVIGATION_COMMAND_INVALID.</doc>
           <parameter name="cmd"
                      direction="out"
                      caller-allocates="0"
-                     transfer-ownership="full">
+                     transfer-ownership="full"
+                     optional="1"
+                     allow-none="1">
             <doc xml:space="preserve">a pointer to store the nth command into.</doc>
             <type name="NavigationCommand" c:type="GstNavigationCommand*"/>
           </parameter>
@@ -1019,8 +1088,13 @@ of commands passed must be equal to @n_commands.</doc>
             <type name="gint" c:type="gint"/>
           </parameter>
           <parameter name="cmds" transfer-ownership="none">
-            <doc xml:space="preserve">An array containing @n_cmds @GstNavigationCommand values.</doc>
-            <type name="NavigationCommand" c:type="GstNavigationCommand*"/>
+            <doc xml:space="preserve">An array containing @n_cmds
+    @GstNavigationCommand values.</doc>
+            <array length="1"
+                   zero-terminated="0"
+                   c:type="GstNavigationCommand*">
+              <type name="NavigationCommand" c:type="GstNavigationCommand"/>
+            </array>
           </parameter>
         </parameters>
       </function>
@@ -11562,9 +11636,14 @@ associated command.</doc>
           <doc xml:space="preserve">A #GstEvent to inspect.</doc>
           <type name="Gst.Event" c:type="GstEvent*"/>
         </parameter>
-        <parameter name="command" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to GstNavigationCommand to receive the type of the
-navigation event.</doc>
+        <parameter name="command"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to GstNavigationCommand to receive the
+    type of the navigation event.</doc>
           <type name="NavigationCommand" c:type="GstNavigationCommand*"/>
         </parameter>
       </parameters>
@@ -11580,10 +11659,15 @@ navigation event.</doc>
           <doc xml:space="preserve">A #GstEvent to inspect.</doc>
           <type name="Gst.Event" c:type="GstEvent*"/>
         </parameter>
-        <parameter name="key" transfer-ownership="none">
-          <doc xml:space="preserve">A pointer to a location to receive the string identifying the key
-press. The returned string is owned by the event, and valid only until the
-event is unreffed.</doc>
+        <parameter name="key"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="none"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">A pointer to a location to receive
+    the string identifying the key press. The returned string is owned by the
+    event, and valid only until the event is unreffed.</doc>
           <type name="utf8" c:type="const gchar**"/>
         </parameter>
       </parameters>
@@ -11604,19 +11688,34 @@ gst_navigation_event_get_type() to retrieve the #GstNavigationEventType.</doc>
           <doc xml:space="preserve">A #GstEvent to inspect.</doc>
           <type name="Gst.Event" c:type="GstEvent*"/>
         </parameter>
-        <parameter name="button" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a gint that will receive the button number associated
-with the event.</doc>
+        <parameter name="button"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a gint that will receive the button
+    number associated with the event.</doc>
           <type name="gint" c:type="gint*"/>
         </parameter>
-        <parameter name="x" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the mouse button
-event.</doc>
+        <parameter name="x"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the
+    mouse button event.</doc>
           <type name="gdouble" c:type="gdouble*"/>
         </parameter>
-        <parameter name="y" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the mouse button
-event.</doc>
+        <parameter name="y"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the
+    mouse button event.</doc>
           <type name="gdouble" c:type="gdouble*"/>
         </parameter>
       </parameters>
@@ -11635,12 +11734,24 @@ of the event.</doc>
           <doc xml:space="preserve">A #GstEvent to inspect.</doc>
           <type name="Gst.Event" c:type="GstEvent*"/>
         </parameter>
-        <parameter name="x" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the mouse movement.</doc>
+        <parameter name="x"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a gdouble to receive the x coordinate of the
+    mouse movement.</doc>
           <type name="gdouble" c:type="gdouble*"/>
         </parameter>
-        <parameter name="y" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the mouse movement.</doc>
+        <parameter name="y"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a gdouble to receive the y coordinate of the
+    mouse movement.</doc>
           <type name="gdouble" c:type="gdouble*"/>
         </parameter>
       </parameters>
@@ -11761,13 +11872,24 @@ and extract the @cur_angle and @n_angles parameters.</doc>
           <doc xml:space="preserve">A #GstMessage to inspect.</doc>
           <type name="Gst.Message" c:type="GstMessage*"/>
         </parameter>
-        <parameter name="cur_angle" transfer-ownership="none">
-          <doc xml:space="preserve">A pointer to a #guint to receive the new current angle number,
-or NULL</doc>
+        <parameter name="cur_angle"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">A pointer to a #guint to receive the new
+    current angle number, or NULL</doc>
           <type name="guint" c:type="guint*"/>
         </parameter>
-        <parameter name="n_angles" transfer-ownership="none">
-          <doc xml:space="preserve">A pointer to a #guint to receive the new angle count, or NULL.</doc>
+        <parameter name="n_angles"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">A pointer to a #guint to receive the new angle
+    count, or NULL.</doc>
           <type name="guint" c:type="guint*"/>
         </parameter>
       </parameters>
@@ -11791,9 +11913,11 @@ with it.</doc>
         <parameter name="event"
                    direction="out"
                    caller-allocates="0"
-                   transfer-ownership="full">
-          <doc xml:space="preserve">a pointer to a #GstEvent to receive the
-    contained navigation event.</doc>
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">a pointer to a #GstEvent to receive
+    the contained navigation event.</doc>
           <type name="Gst.Event" c:type="GstEvent**"/>
         </parameter>
       </parameters>
@@ -11813,9 +11937,14 @@ active, it indicates that the mouse is over a clickable area.</doc>
           <doc xml:space="preserve">A #GstMessage to inspect.</doc>
           <type name="Gst.Message" c:type="GstMessage*"/>
         </parameter>
-        <parameter name="active" transfer-ownership="none">
-          <doc xml:space="preserve">A pointer to a gboolean to receive the active/inactive state,
-or NULL.</doc>
+        <parameter name="active"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">A pointer to a gboolean to receive the
+    active/inactive state, or NULL.</doc>
           <type name="gboolean" c:type="gboolean*"/>
         </parameter>
       </parameters>
@@ -11873,14 +12002,24 @@ angles into the #guint pointed to by the @n_angles variable.</doc>
           <doc xml:space="preserve">a #GstQuery</doc>
           <type name="Gst.Query" c:type="GstQuery*"/>
         </parameter>
-        <parameter name="cur_angle" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a #guint into which to store the currently selected
-angle value from the query, or NULL</doc>
+        <parameter name="cur_angle"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a #guint into which to store the
+    currently selected angle value from the query, or NULL</doc>
           <type name="guint" c:type="guint*"/>
         </parameter>
-        <parameter name="n_angles" transfer-ownership="none">
-          <doc xml:space="preserve">Pointer to a #guint into which to store the number of angles
-value from the query, or NULL</doc>
+        <parameter name="n_angles"
+                   direction="out"
+                   caller-allocates="0"
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
+          <doc xml:space="preserve">Pointer to a #guint into which to store the
+    number of angles value from the query, or NULL</doc>
           <type name="guint" c:type="guint*"/>
         </parameter>
       </parameters>
@@ -11901,7 +12040,9 @@ value from the query, or NULL</doc>
         <parameter name="n_cmds"
                    direction="out"
                    caller-allocates="0"
-                   transfer-ownership="full">
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
           <doc xml:space="preserve">the number of commands in this query.</doc>
           <type name="guint" c:type="guint*"/>
         </parameter>
@@ -11929,7 +12070,9 @@ set to #GST_NAVIGATION_COMMAND_INVALID.</doc>
         <parameter name="cmd"
                    direction="out"
                    caller-allocates="0"
-                   transfer-ownership="full">
+                   transfer-ownership="full"
+                   optional="1"
+                   allow-none="1">
           <doc xml:space="preserve">a pointer to store the nth command into.</doc>
           <type name="NavigationCommand" c:type="GstNavigationCommand*"/>
         </parameter>
@@ -11975,8 +12118,11 @@ of commands passed must be equal to @n_commands.</doc>
           <type name="gint" c:type="gint"/>
         </parameter>
         <parameter name="cmds" transfer-ownership="none">
-          <doc xml:space="preserve">An array containing @n_cmds @GstNavigationCommand values.</doc>
-          <type name="NavigationCommand" c:type="GstNavigationCommand*"/>
+          <doc xml:space="preserve">An array containing @n_cmds
+    @GstNavigationCommand values.</doc>
+          <array length="1" zero-terminated="0" c:type="GstNavigationCommand*">
+            <type name="NavigationCommand" c:type="GstNavigationCommand"/>
+          </array>
         </parameter>
       </parameters>
     </function>