[gst-cvs] gstreamer-sharp: Also use the copy-on-unref workaround for the message-owned Structure here instead of always copying

[Sebastian Dröge]

Module: gstreamer-sharp
Branch: master
Commit: 02e2d6e3fc4ca8a06b0cf0cb6f09aab9206888d9
URL:    http://cgit.freedesktop.org/gstreamer/gstreamer-sharp/commit/?id=02e2d6e3fc4ca8a06b0cf0cb6f09aab9206888d9

Author: Sebastian Dröge <sebastian.droege at collabora.co.uk>
Date:   Wed Apr 22 11:54:49 2009 +0200

Also use the copy-on-unref workaround for the message-owned Structure here instead of always copying

---

 gstreamer-sharp/Message.custom |   16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/gstreamer-sharp/Message.custom b/gstreamer-sharp/Message.custom
index 8aec26a..2877c0a 100644
--- a/gstreamer-sharp/Message.custom
+++ b/gstreamer-sharp/Message.custom
@@ -67,17 +67,29 @@ public uint Seqnum {
 }
 
 
+private Gst.Structure cached_structure = null;
+
 [DllImport ("gstreamer-0.10.dll") ]
 static extern IntPtr gst_message_get_structure (IntPtr raw);
 
 public Gst.Structure Structure {
   get  {
-    IntPtr raw_ret = gst_structure_copy (gst_message_get_structure (Handle));
-    Gst.Structure ret = raw_ret == IntPtr.Zero ? null : (Gst.Structure) GLib.Opaque.GetOpaque (raw_ret, typeof (Gst.Structure), false);
+    if (cached_structure != null)
+      return cached_structure;
+
+    IntPtr raw_ret = gst_message_get_structure (Handle);
+    Gst.Structure ret = raw_ret == IntPtr.Zero ? null : (Gst.Structure) GLib.Opaque.GetOpaque (raw_ret, typeof (Gst.Structure), true);
+    ret.FreeNative = false;
+    cached_structure = ret;
     return ret;
   }
 }
 
+~Message () {
+  cached_structure.CreateNativeCopy ();
+  cached_structure = null;
+}
+
 [DllImport ("gstreamer-0.10.dll") ]
 static extern IntPtr gst_message_new_eos (IntPtr src);