Add linphone_video_definition_clone().

coreapi/factory.c

@@ -206,7 +206,7 @@ LinphoneVideoDefinition * linphone_factory_find_supported_video_definition(const
 		LinphoneVideoDefinition *svdef = (LinphoneVideoDefinition *)bctbx_list_get_data(item);
 		if (linphone_video_definition_equals(svdef, searched_vdef)) {
 			linphone_video_definition_unref(searched_vdef);
-			return svdef;
+			return linphone_video_definition_clone(svdef);
 		}
 	}
 
@@ -220,7 +220,7 @@ LinphoneVideoDefinition * linphone_factory_find_supported_video_definition_by_na
 	for (item = supported; item != NULL; item = bctbx_list_next(item)) {
 		LinphoneVideoDefinition *svdef = (LinphoneVideoDefinition *)bctbx_list_get_data(item);
 		if (strcmp(linphone_video_definition_get_name(svdef), name) == 0) {
-			return svdef;
+			return linphone_video_definition_clone(svdef);
 		}
 	}
 	return NULL;

coreapi/video_definition.c

@@ -66,6 +66,9 @@ void linphone_video_definition_set_user_data(LinphoneVideoDefinition *vdef, void
 	vdef->user_data = ud;
 }
 
+LinphoneVideoDefinition * linphone_video_definition_clone(const LinphoneVideoDefinition *vdef) {
+	return linphone_video_definition_new(linphone_video_definition_get_width(vdef), linphone_video_definition_get_height(vdef), linphone_video_definition_get_name(vdef));
+}
 
 unsigned int linphone_video_definition_get_width(const LinphoneVideoDefinition *vdef) {
 	return vdef->width;

include/linphone/video_definition.h

@@ -61,6 +61,13 @@ LINPHONE_PUBLIC void *linphone_video_definition_get_user_data(const LinphoneVide
 **/
 LINPHONE_PUBLIC void linphone_video_definition_set_user_data(LinphoneVideoDefinition *vdef, void *ud);
 
+/**
+ * Clone a video definition.
+ * @param[in] vdef LinphoneVideoDefinition object to be cloned
+ * @return The new clone of the video definition
+ */
+LINPHONE_PUBLIC LinphoneVideoDefinition * linphone_video_definition_clone(const LinphoneVideoDefinition *vdef);
+
 /**
  * Get the width of the video definition.
  * @param[in] vdef LinphoneVideoDefinition object