ges: Allow passing `NULL` as a value to ges_meta_container_set_meta

Fixes T7430

diff --git a/ges/ges-meta-container.c b/ges/ges-meta-container.c
index c9ae58b..2140cc7 100644 (file)
--- a/ges/ges-meta-container.c
+++ b/ges/ges-meta-container.c
@@ -402,7 +402,7 @@ CREATE_SETTER (string, const gchar *, G_TYPE_STRING, string)
  * ges_meta_container_set_meta:
  * @container: Target container
  * @meta_item: Name of the meta item to set
- * @value: Value to set
+ * @value: (allow-none): Value to set
  * Sets the value of a given meta item
  *
  * Return: %TRUE if the meta could be added, %FALSE otherwize
@@ -414,6 +414,13 @@ ges_meta_container_set_meta (GESMetaContainer * container,
   g_return_val_if_fail (GES_IS_META_CONTAINER (container), FALSE);
   g_return_val_if_fail (meta_item != NULL, FALSE);
 
+  if (value == NULL) {
+    GstStructure *structure = _meta_container_get_structure (container);
+    gst_structure_remove_field (structure, meta_item);
+
+    return TRUE;
+  }
+
   if (_can_write_value (container, meta_item, G_VALUE_TYPE (value)) == FALSE)
     return FALSE;