gstreamer/subprojects/gstreamer-sharp/sources/custom/Application.cs

100 lines
3.9 KiB
C#

// 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 Application
{
// Because of: https://bugzilla.gnome.org/show_bug.cgi?id=743062#c30
private static uint MIN_GSTREAMER_MINOR = 14;
static Application () {
GLib.GType.Register (List.GType, typeof(List));
GLib.GType.Register (Fraction.GType, typeof(Fraction));
GLib.GType.Register (DoubleRange.GType, typeof(DoubleRange));
GLib.GType.Register (IntRange.GType, typeof(IntRange));
GLib.GType.Register (FractionRange.GType, typeof(FractionRange));
GLib.GType.Register (DateTime.GType, typeof(DateTime));
GLib.GType.Register (Gst.Array.GType, typeof(Gst.Array));
GLib.GType.Register(Promise.GType, typeof(Promise));
GLib.GType.Register(Gst.WebRTC.WebRTCSessionDescription.GType, typeof(Gst.WebRTC.WebRTCSessionDescription));
}
[DllImport("gstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gst_init(ref int argc, ref IntPtr[] argv);
[DllImport("gstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gst_init(IntPtr argc, IntPtr argv);
private static void CheckVersion() {
if (Gst.Version.Minor < MIN_GSTREAMER_MINOR)
throw new Exception(Gst.Version.Description + " found but GStreamer 1." +
MIN_GSTREAMER_MINOR + " required.");
}
public static void Init() {
gst_init (IntPtr.Zero, IntPtr.Zero);
CheckVersion();
}
public static void Init(ref string[] argv) {
int cnt_argv = argv == null ? 0 : argv.Length;
System.Collections.Generic.List<IntPtr> native_arg_list = new System.Collections.Generic.List<IntPtr>();
for (int i = 0; i < cnt_argv; i++)
native_arg_list.Add (GLib.Marshaller.StringToPtrGStrdup(argv[i]));
IntPtr[] native_argv = native_arg_list.ToArray();
gst_init(ref cnt_argv, ref native_argv);
foreach (var native_arg in native_arg_list)
GLib.Marshaller.Free (native_arg);
CheckVersion();
}
[DllImport("gstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern bool gst_init_check(ref int argc, ref IntPtr[] argv, out IntPtr error);
[DllImport("gstreamer-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern bool gst_init_check(IntPtr argc, IntPtr argv, out IntPtr error);
public static bool InitCheck() {
IntPtr error = IntPtr.Zero;
bool ret = gst_init_check (IntPtr.Zero, IntPtr.Zero, out error);
CheckVersion();
if (error != IntPtr.Zero) throw new GLib.GException (error);
return ret;
}
public static bool InitCheck(ref string[] argv) {
int cnt_argv = argv == null ? 0 : argv.Length;
System.Collections.Generic.List<IntPtr> native_arg_list = new System.Collections.Generic.List<IntPtr>();
for (int i = 0; i < cnt_argv; i++)
native_arg_list.Add (GLib.Marshaller.StringToPtrGStrdup(argv[i]));
IntPtr[] native_argv = native_arg_list.ToArray();
IntPtr error = IntPtr.Zero;
bool ret = gst_init_check(ref cnt_argv, ref native_argv, out error);
foreach (var native_arg in native_arg_list)
GLib.Marshaller.Free (native_arg);
if (error != IntPtr.Zero) throw new GLib.GException (error);
CheckVersion();
return ret;
}
}
}