gstreamer/sources/custom/Version.cs

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//
// Version.cs: Lightweight Version Object for GStreamer
//
// Authors:
// Aaron Bockover <abockover@novell.com>
// Stephan Sundermann <stephansundermann@gmail.com>
//
// Copyright (C) 2006 Novell, Inc.
//
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// 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
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using System;
using System.Runtime.InteropServices;
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namespace Gst
{
public static class Version
{
private static uint major;
private static uint minor;
private static uint micro;
private static uint nano;
private static string version_string;
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static Version ()
{
gst_version (out major, out minor, out micro, out nano);
}
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public static string Description {
get {
if (version_string == null) {
IntPtr version_string_ptr = gst_version_string ();
version_string = GLib.Marshaller.Utf8PtrToString (version_string_ptr);
}
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return version_string;
}
}
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public static uint Major {
get {
return major;
}
}
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public static uint Minor {
get {
return minor;
}
}
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public static uint Micro {
get {
return micro;
}
}
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public static uint Nano {
get {
return nano;
}
}
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[DllImport ("gstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void gst_version (out uint major, out uint minor, out uint micro, out uint nano);
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[DllImport ("gstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr gst_version_string ();
}
}