From 6d7acd200d0d801ea6e36f9147d9570e7572e91b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 20 Dec 2017 18:10:50 +0200
Subject: [PATCH] Element::set_bus() allows None for the bus parameter

---
 gir-files/Gst-1.0.gir         | 5 ++++-
 gstreamer/src/auto/element.rs | 8 +++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/gir-files/Gst-1.0.gir b/gir-files/Gst-1.0.gir
index 207d0b51a..eac4e89ec 100644
--- a/gir-files/Gst-1.0.gir
+++ b/gir-files/Gst-1.0.gir
@@ -14151,7 +14151,10 @@ MT safe.</doc>
             <doc xml:space="preserve">a #GstElement to set the bus of.</doc>
             <type name="Element" c:type="GstElement*"/>
           </instance-parameter>
-          <parameter name="bus" transfer-ownership="none">
+          <parameter name="bus"
+                     transfer-ownership="none"
+                     nullable="1"
+                     allow-none="1">
             <doc xml:space="preserve">the #GstBus to set.</doc>
             <type name="Bus" c:type="GstBus*"/>
           </parameter>
diff --git a/gstreamer/src/auto/element.rs b/gstreamer/src/auto/element.rs
index e03b876f8..ee5f81e53 100644
--- a/gstreamer/src/auto/element.rs
+++ b/gstreamer/src/auto/element.rs
@@ -144,7 +144,7 @@ pub trait ElementExt {
 
     fn set_base_time(&self, time: ClockTime);
 
-    fn set_bus(&self, bus: &Bus);
+    fn set_bus<'a, P: Into<Option<&'a Bus>>>(&self, bus: P);
 
     fn set_clock<P: IsA<Clock>>(&self, clock: &P) -> Result<(), glib::error::BoolError>;
 
@@ -413,9 +413,11 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
         }
     }
 
-    fn set_bus(&self, bus: &Bus) {
+    fn set_bus<'a, P: Into<Option<&'a Bus>>>(&self, bus: P) {
+        let bus = bus.into();
+        let bus = bus.to_glib_none();
         unsafe {
-            ffi::gst_element_set_bus(self.to_glib_none().0, bus.to_glib_none().0);
+            ffi::gst_element_set_bus(self.to_glib_none().0, bus.0);
         }
     }