From 4dabd3bca408dc799d2f68fcf551a01bd2f55769 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 27 Aug 2025 12:39:46 +0300
Subject: [PATCH] miniobject: Add `downcast_ref()` / `downcast_mut()` variants
 on the non-ref type too

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1780>
---
 gstreamer/src/miniobject.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/gstreamer/src/miniobject.rs b/gstreamer/src/miniobject.rs
index 49dbad19d..1cb3a5477 100644
--- a/gstreamer/src/miniobject.rs
+++ b/gstreamer/src/miniobject.rs
@@ -647,6 +647,24 @@ impl MiniObject {
             Err(self)
         }
     }
+
+    #[inline]
+    pub fn downcast_ref<T: IsMiniObject + StaticType>(&self) -> Option<&T> {
+        if self.type_().is_a(T::static_type()) {
+            unsafe { Some(&*(self as *const Self as *const T)) }
+        } else {
+            None
+        }
+    }
+
+    #[inline]
+    pub fn downcast_mut<T: IsMiniObject + StaticType>(&mut self) -> Option<&mut T> {
+        if self.type_().is_a(T::static_type()) {
+            unsafe { Some(&mut *(self as *mut Self as *mut T)) }
+        } else {
+            None
+        }
+    }
 }
 
 impl fmt::Debug for MiniObject {