gstreamer/sources/generated/Gst/GstSharp.ValueSerializeFuncNative.cs

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2018-01-29 18:56:49 +00:00
// 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 IntPtr ValueSerializeFuncNative(IntPtr value1);
internal class ValueSerializeFuncInvoker {
ValueSerializeFuncNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~ValueSerializeFuncInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal ValueSerializeFuncInvoker (ValueSerializeFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal ValueSerializeFuncInvoker (ValueSerializeFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal ValueSerializeFuncInvoker (ValueSerializeFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.ValueSerializeFunc Handler {
get {
return new Gst.ValueSerializeFunc(InvokeNative);
}
}
string InvokeNative (GLib.Value value1)
{
IntPtr native_value1 = GLib.Marshaller.StructureToPtrAlloc (value1);
string __result = GLib.Marshaller.PtrToStringGFree(native_cb (native_value1));
Marshal.FreeHGlobal (native_value1);
return __result;
}
}
internal class ValueSerializeFuncWrapper {
public IntPtr NativeCallback (IntPtr value1)
{
try {
string __ret = managed ((GLib.Value) Marshal.PtrToStructure (value1, typeof (GLib.Value)));
if (release_on_call)
gch.Free ();
return GLib.Marshaller.StringToPtrGStrdup(__ret);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, true);
// NOTREACHED: Above call does not return.
throw e;
}
}
bool release_on_call = false;
GCHandle gch;
public void PersistUntilCalled ()
{
release_on_call = true;
gch = GCHandle.Alloc (this);
}
internal ValueSerializeFuncNative NativeDelegate;
Gst.ValueSerializeFunc managed;
public ValueSerializeFuncWrapper (Gst.ValueSerializeFunc managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new ValueSerializeFuncNative (NativeCallback);
}
public static Gst.ValueSerializeFunc GetManagedDelegate (ValueSerializeFuncNative native)
{
if (native == null)
return null;
ValueSerializeFuncWrapper wrapper = (ValueSerializeFuncWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}