1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// This file was generated by the Gtk# code generator.
// Any changes made will be lost if regenerated.
namespace GstSharp {
using System;
using System.Runtime.InteropServices;
#region Autogenerated code
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
internal delegate void MetaFreeFunctionNative(IntPtr meta, IntPtr buffer);
internal class MetaFreeFunctionInvoker {
MetaFreeFunctionNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~MetaFreeFunctionInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal MetaFreeFunctionInvoker (MetaFreeFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal MetaFreeFunctionInvoker (MetaFreeFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal MetaFreeFunctionInvoker (MetaFreeFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.MetaFreeFunction Handler {
get {
return new Gst.MetaFreeFunction(InvokeNative);
}
}
void InvokeNative (Gst.Meta meta, Gst.Buffer buffer)
{
IntPtr native_meta = GLib.Marshaller.StructureToPtrAlloc (meta);
native_cb (native_meta, buffer == null ? IntPtr.Zero : buffer.Handle);
Marshal.FreeHGlobal (native_meta);
}
}
internal class MetaFreeFunctionWrapper {
public void NativeCallback (IntPtr meta, IntPtr buffer)
{
try {
managed (Gst.Meta.New (meta), buffer == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (buffer, typeof (Gst.Buffer), false));
if (release_on_call)
gch.Free ();
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
bool release_on_call = false;
GCHandle gch;
public void PersistUntilCalled ()
{
release_on_call = true;
gch = GCHandle.Alloc (this);
}
internal MetaFreeFunctionNative NativeDelegate;
Gst.MetaFreeFunction managed;
public MetaFreeFunctionWrapper (Gst.MetaFreeFunction managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new MetaFreeFunctionNative (NativeCallback);
}
public static Gst.MetaFreeFunction GetManagedDelegate (MetaFreeFunctionNative native)
{
if (native == null)
return null;
MetaFreeFunctionWrapper wrapper = (MetaFreeFunctionWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}
|
