From 5d2f36fac3f331916fa158afb2fe3a49d079c63c Mon Sep 17 00:00:00 2001
From: Philippe Renon <philippe_renon@yahoo.fr>
Date: Mon, 16 May 2022 00:45:34 +0200
Subject: [PATCH] gstreamer: implement FromGlibPtrBorrow trait for
 gst::Structure

needed for callbacks that pass GstStructure by reference
for example: the PlaySignalAdapter error and warning signals

needed by https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1036
---
 gstreamer/src/structure.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gstreamer/src/structure.rs b/gstreamer/src/structure.rs
index e2063cee5..4914ebf24 100644
--- a/gstreamer/src/structure.rs
+++ b/gstreamer/src/structure.rs
@@ -281,6 +281,18 @@ impl FromGlibPtrFull<*mut ffi::GstStructure> for Structure {
     }
 }
 
+impl FromGlibPtrBorrow<*const ffi::GstStructure> for Structure {
+    unsafe fn from_glib_borrow(ptr: *const ffi::GstStructure) -> Borrowed<Self> {
+        Borrowed::new(from_glib_full(ptr))
+    }
+}
+
+impl FromGlibPtrBorrow<*mut ffi::GstStructure> for Structure {
+    unsafe fn from_glib_borrow(ptr: *mut ffi::GstStructure) -> Borrowed<Self> {
+        Borrowed::new(from_glib_full(ptr))
+    }
+}
+
 impl glib::value::ValueType for Structure {
     type Type = Self;
 }