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// 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 MetaInitFunctionNative(IntPtr meta, IntPtr parms, IntPtr buffer);
internal class MetaInitFunctionInvoker {
MetaInitFunctionNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~MetaInitFunctionInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal MetaInitFunctionInvoker (MetaInitFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal MetaInitFunctionInvoker (MetaInitFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal MetaInitFunctionInvoker (MetaInitFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.MetaInitFunction Handler {
get {
return new Gst.MetaInitFunction(InvokeNative);
}
}
bool InvokeNative (Gst.Meta meta, IntPtr parms, Gst.Buffer buffer)
{
IntPtr native_meta = GLib.Marshaller.StructureToPtrAlloc (meta);
bool __result = native_cb (native_meta, parms, buffer == null ? IntPtr.Zero : buffer.Handle);
Marshal.FreeHGlobal (native_meta);
return __result;
}
}
internal class MetaInitFunctionWrapper {
public bool NativeCallback (IntPtr meta, IntPtr parms, IntPtr buffer)
{
try {
bool __ret = managed (Gst.Meta.New (meta), parms, buffer == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (buffer, typeof (Gst.Buffer), 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 MetaInitFunctionNative NativeDelegate;
Gst.MetaInitFunction managed;
public MetaInitFunctionWrapper (Gst.MetaInitFunction managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new MetaInitFunctionNative (NativeCallback);
}
public static Gst.MetaInitFunction GetManagedDelegate (MetaInitFunctionNative native)
{
if (native == null)
return null;
MetaInitFunctionWrapper wrapper = (MetaInitFunctionWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}
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