Adapter: Add some manually bound methods

sources/custom/Adapter.cs

@@ -0,0 +1,50 @@
+// Copyright (C) 2013  Stephan Sundermann <stephansundermann@gmail.com>
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace Gst.Base	 {
+	using System;
+	using System.Runtime.InteropServices;
+
+	partial class Adapter 
+	{
+		[DllImport("libgstbase-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
+		static extern void gst_adapter_copy(IntPtr raw, out IntPtr dest, int offset, int size);
+
+		public byte[] Copy(int offset, int size) {
+
+			IntPtr mem = Marshal.AllocHGlobal (size);
+
+			gst_adapter_copy(Handle, out mem, offset, size);
+
+			byte[] bytes = new byte[size];
+			Marshal.Copy (mem, bytes, 0, size);
+
+			return bytes;
+		}
+
+		[DllImport("libgstbase-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
+		static extern IntPtr gst_adapter_map(IntPtr raw, out int size);
+
+		public byte[] Map() {
+			int size;
+
+			IntPtr mem = gst_adapter_map (Handle, out size);
+			byte[] ret = new byte[size];
+			Marshal.Copy (mem, ret , 0, size);
+
+			return ret;
+		}
+	}
+}