Use var_Set* when applicable.

src/audio_output/output.c

@@ -112,8 +112,7 @@ int aout_OutputNew( aout_instance_t * p_aout,
         {
             /* Go directly to the left channel. */
             p_aout->output.output.i_original_channels = AOUT_CHAN_LEFT;
-            val.i_int = AOUT_VAR_CHAN_LEFT;
-            var_Set( p_aout, "audio-channels", val );
+            var_SetInteger( p_aout, "audio-channels", AOUT_VAR_CHAN_LEFT );
         }
         var_AddCallback( p_aout, "audio-channels", aout_ChannelsRestart,
                          NULL );
@@ -150,14 +149,12 @@ int aout_OutputNew( aout_instance_t * p_aout,
         {
             /* Go directly to the left channel. */
             p_aout->output.output.i_original_channels = AOUT_CHAN_LEFT;
-            val.i_int = AOUT_VAR_CHAN_LEFT;
-            var_Set( p_aout, "audio-channels", val );
+            var_SetInteger( p_aout, "audio-channels", AOUT_VAR_CHAN_LEFT );
         }
         var_AddCallback( p_aout, "audio-channels", aout_ChannelsRestart,
                          NULL );
     }
-    val.b_bool = true;
-    var_Set( p_aout, "intf-change", val );
+    var_SetBool( p_aout, "intf-change", true );
 
     aout_FormatPrepare( &p_aout->output.output );
 

src/osd/osd.c

@@ -200,8 +200,7 @@ osd_menu_t *osd_MenuCreate( vlc_object_t *p_this, const char *psz_file )
         var_SetBool( p_osd, "osd-menu-update", false );
         var_SetBool( p_osd, "osd-menu-visible", false );
 
-        val.p_address = p_osd;
-        var_Set( p_this->p_libvlc, "osd-object", val );
+        var_SetAddress( p_this->p_libvlc, "osd-object", p_osd );
     }
     else
         p_osd = val.p_address;
@@ -227,13 +226,10 @@ void osd_MenuDelete( vlc_object_t *p_this, osd_menu_t *p_osd )
 
     if( vlc_internals( VLC_OBJECT(p_osd) )->i_refcount == 1 )
     {
-        vlc_value_t val;
-
         var_Destroy( p_osd, "osd-menu-visible" );
         var_Destroy( p_osd, "osd-menu-update" );
         osd_ParserUnload( p_osd );
-        val.p_address = NULL;
-        var_Set( p_this->p_libvlc, "osd-object", val );
+        var_SetAddress( p_this->p_libvlc, "osd-object", NULL );
     }
 
     vlc_object_release( p_osd );

src/playlist/item.c

@@ -714,10 +714,7 @@ void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
     add.i_item = i_item_id;
     add.i_node = i_node_id;
 
-    vlc_value_t val;
-    val.p_address = &add;
-
-    var_Set( p_playlist, "playlist-item-append", val );
+    var_SetAddress( p_playlist, "playlist-item-append", &add );
 }
 
 /***************************************************************************