gstreamer/subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.CapsMapFuncNative.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 bool CapsMapFuncNative(IntPtr features, IntPtr structure, IntPtr user_data);
internal class CapsMapFuncInvoker {
CapsMapFuncNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~CapsMapFuncInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal CapsMapFuncInvoker (CapsMapFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal CapsMapFuncInvoker (CapsMapFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal CapsMapFuncInvoker (CapsMapFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.CapsMapFunc Handler {
get {
return new Gst.CapsMapFunc(InvokeNative);
}
}
bool InvokeNative (Gst.CapsFeatures features, Gst.Structure structure)
{
IntPtr native_features = GLib.Marshaller.StructureToPtrAlloc (features);
bool __result = native_cb (native_features, structure == null ? IntPtr.Zero : structure.Handle, __data);
Marshal.FreeHGlobal (native_features);
return __result;
}
}
internal class CapsMapFuncWrapper {
public bool NativeCallback (IntPtr features, IntPtr structure, IntPtr user_data)
{
try {
bool __ret = managed (Gst.CapsFeatures.New (features), structure == IntPtr.Zero ? null : (Gst.Structure) GLib.Opaque.GetOpaque (structure, typeof (Gst.Structure), false));
if (release_on_call)
gch.Free ();
return __ret;
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
return false;
}
}
bool release_on_call = false;
GCHandle gch;
public void PersistUntilCalled ()
{
release_on_call = true;
gch = GCHandle.Alloc (this);
}
internal CapsMapFuncNative NativeDelegate;
Gst.CapsMapFunc managed;
public CapsMapFuncWrapper (Gst.CapsMapFunc managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new CapsMapFuncNative (NativeCallback);
}
public static Gst.CapsMapFunc GetManagedDelegate (CapsMapFuncNative native)
{
if (native == null)
return null;
CapsMapFuncWrapper wrapper = (CapsMapFuncWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}