From 2a442f6ec18504a7ee2790e9db288b7ec78a2bf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 11 Sep 2019 23:00:04 +0300
Subject: [PATCH] gstreamer/element: Add support for
 ElementClass::add_metadata()

---
 gstreamer/src/subclass/element.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gstreamer/src/subclass/element.rs b/gstreamer/src/subclass/element.rs
index e61ef407c..100ad981d 100644
--- a/gstreamer/src/subclass/element.rs
+++ b/gstreamer/src/subclass/element.rs
@@ -305,6 +305,16 @@ pub unsafe trait ElementClassSubclassExt: Sized + 'static {
             );
         }
     }
+
+    fn add_metadata(&mut self, key: &str, value: &str) {
+        unsafe {
+            gst_sys::gst_element_class_add_metadata(
+                self as *mut Self as *mut gst_sys::GstElementClass,
+                key.to_glib_none().0,
+                value.to_glib_none().0,
+            );
+        }
+    }
 }
 
 unsafe impl ElementClassSubclassExt for ElementClass {}