From 2099af9b0939b17722480d06568a783dd50e57cb Mon Sep 17 00:00:00 2001
From: Stephan Sundermann <stephansundermann@gmail.com>
Date: Mon, 21 Oct 2013 12:49:17 +0200
Subject: [PATCH] TagList: Port custom code to 1.0

---
 sources/custom/TagList.cs | 77 ++-------------------------------------
 1 file changed, 4 insertions(+), 73 deletions(-)

diff --git a/sources/custom/TagList.cs b/sources/custom/TagList.cs
index e3cc2ec1a1..6003b574b8 100644
--- a/sources/custom/TagList.cs
+++ b/sources/custom/TagList.cs
@@ -20,43 +20,16 @@ namespace Gst
 
 	public partial class TagList
 	{
-		[DllImport("libgstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
-		static extern int gst_structure_n_fields (IntPtr raw);
-
-		public int Size {
-			get {
-				int raw_ret = gst_structure_n_fields (Handle);
-				int ret = raw_ret;
-				return ret;
-			}
-		}
-
-		[DllImport("libgstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
-		static extern bool gst_tag_list_copy_value (ref GLib.Value dest, IntPtr list, IntPtr tag);
-
 		public object this [string tag, uint index] {
-			get {
-				IntPtr raw_string = GLib.Marshaller.StringToPtrGStrdup (tag);
-				IntPtr raw_ret = gst_tag_list_get_value_index (Handle, raw_string, index);
-				GLib.Marshaller.Free (raw_string);
-
-				if (raw_ret == IntPtr.Zero)
-					return null;
-
-				GLib.Value v = (GLib.Value)Marshal.PtrToStructure (raw_ret, typeof(GLib.Value));
-
-				return (object)v.Val;
-			}
+		 	get { return GetValueIndex (tag, index).Val; }
 		}
 
 		public object this [string tag] {
 			get {
-				GLib.Value v = GLib.Value.Empty;
+				GLib.Value v;
 				bool success;
 
-				IntPtr raw_string = GLib.Marshaller.StringToPtrGStrdup (tag);
-				success = gst_tag_list_copy_value (ref v, Handle, raw_string);
-				GLib.Marshaller.Free (raw_string);
+				success = CopyValue (out v, this, tag);
 
 				if (!success)
 					return null;
@@ -74,51 +47,9 @@ namespace Gst
 				throw new ArgumentException (String.Format ("Invalid tag name '{0}'", tag));
 
 			GLib.Value v = new GLib.Value (value);
-			IntPtr raw_v = GLib.Marshaller.StructureToPtrAlloc (v);
 
-			IntPtr raw_string = GLib.Marshaller.StringToPtrGStrdup (tag);
-			gst_tag_list_add_value (Handle, (int)mode, raw_string, raw_v);
-			Marshal.FreeHGlobal (raw_v);
+			AddValue (mode, tag, v);
 			v.Dispose ();
-			GLib.Marshaller.Free (raw_string);
-		}
-
-		[DllImport("libgstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
-		static extern IntPtr gst_structure_nth_field_name (IntPtr raw, uint index);
-
-		private string NthFieldName (uint index)
-		{
-			IntPtr raw_ret = gst_structure_nth_field_name (Handle, index);
-			string ret = GLib.Marshaller.Utf8PtrToString (raw_ret);
-			return ret;
-		}
-
-		public string[] Tags {
-			get {
-				string[] tags = new string[Size];
-				for (uint i = 0; i < Size; i++)
-					tags [i] = NthFieldName (i);
-
-				return tags;
-			}
-		}
-
-		[DllImport("libgstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
-		static extern IntPtr gst_structure_get_value (IntPtr raw, IntPtr fieldname);
-
-		public GLib.List GetTag (string tag)
-		{
-			IntPtr raw_string = GLib.Marshaller.StringToPtrGStrdup (tag);
-			IntPtr raw_ret = gst_structure_get_value (Handle, raw_string);
-			GLib.Marshaller.Free (raw_string);
-			GLib.Value ret = (GLib.Value)Marshal.PtrToStructure (raw_ret, typeof(GLib.Value));
-
-			object o = ret.Val;
-
-			if (o.GetType () == typeof(GLib.List))
-				return (GLib.List)o;
-
-			return new GLib.List (new object[] { o }, o.GetType(), true, true);
 		}
 	}
 }
\ No newline at end of file