gstreamer/sources/custom/Message.cs

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// Copyright (C) 2013 Stephan Sundermann <stephansundermann@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301 USA
namespace Gst {
using System;
using System.Runtime.InteropServices;
partial class Message
{
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[DllImport ("libgstreamer-1.0-0.dll") ]
static extern void gst_message_parse_error (IntPtr msg, out IntPtr err, out IntPtr debug);
public void ParseError (out GLib.GException error, out string debug) {
if (Type != MessageType.Error)
throw new ArgumentException ();
IntPtr err;
IntPtr dbg;
gst_message_parse_error (Handle, out err, out dbg);
if (dbg != IntPtr.Zero)
debug = GLib.Marshaller.Utf8PtrToString (dbg);
else
debug = null;
if (err == IntPtr.Zero)
throw new Exception ();
error = new GLib.GException (err);
}
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[DllImport("libgstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gst_message_get_stream_status_object(IntPtr raw);
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[DllImport("libgstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gst_message_set_stream_status_object(IntPtr raw, IntPtr value);
public GLib.Value StreamStatusObject {
get {
if(Type != MessageType.StreamStatus)
throw new ArgumentException ();
IntPtr raw_ret = gst_message_get_stream_status_object(Handle);
GLib.Value ret = (GLib.Value) Marshal.PtrToStructure (raw_ret, typeof (GLib.Value));
return ret;
}
set {
if(Type != MessageType.StreamStatus)
throw new ArgumentException ();
IntPtr native_value = GLib.Marshaller.StructureToPtrAlloc (value);
gst_message_set_stream_status_object(Handle, native_value);
value = (GLib.Value) Marshal.PtrToStructure (native_value, typeof (GLib.Value));
Marshal.FreeHGlobal (native_value);
}
}
}
}