gst: add some GIR array annotations
diff --git a/gst/gstmeta.c b/gst/gstmeta.c
index 84d9838..89ebd9d 100644
--- a/gst/gstmeta.c
+++ b/gst/gstmeta.c
@@ -70,7 +70,7 @@
/**
* gst_meta_api_type_register:
* @api: an API to register
- * @tags: tags for @api
+ * @tags: (array zero-terminated=1): tags for @api
*
* Register and return a GType for the @api and associate it with
* @tags.
diff --git a/gst/gstprotection.c b/gst/gstprotection.c
index e6aed07..3da4013 100644
--- a/gst/gstprotection.c
+++ b/gst/gstprotection.c
@@ -196,14 +196,15 @@
/**
* gst_protection_filter_systems_by_available_decryptors:
- * @system_identifiers: (transfer none): A null terminated array of strings
- * that contains the UUID values of each protection system that is to be
- * checked.
+ * @system_identifiers: (transfer none) (array zero-terminated=1):
+ * A null terminated array of strings that contains the UUID values of each
+ * protection system that is to be checked.
*
* Iterates the supplied list of UUIDs and checks the GstRegistry for
* all the decryptors supporting one of the supplied UUIDs.
*
- * Returns: (transfer full) (nullable): A null terminated array containing all
+ * Returns: (transfer full) (array zero-terminated=1) (nullable):
+ * A null terminated array containing all
* the @system_identifiers supported by the set of available decryptors, or
* %NULL if no matches were found.
*
