gstreamer/sources/generated/Gst/GstSharp.PadProbeCallbackNative.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 int PadProbeCallbackNative(IntPtr pad, IntPtr info, IntPtr user_data);
internal class PadProbeCallbackInvoker {
PadProbeCallbackNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~PadProbeCallbackInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal PadProbeCallbackInvoker (PadProbeCallbackNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal PadProbeCallbackInvoker (PadProbeCallbackNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal PadProbeCallbackInvoker (PadProbeCallbackNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.PadProbeCallback Handler {
get {
return new Gst.PadProbeCallback(InvokeNative);
}
}
Gst.PadProbeReturn InvokeNative (Gst.Pad pad, Gst.PadProbeInfo info)
{
IntPtr native_info = GLib.Marshaller.StructureToPtrAlloc (info);
Gst.PadProbeReturn __result = (Gst.PadProbeReturn) native_cb (pad == null ? IntPtr.Zero : pad.Handle, native_info, __data);
Marshal.FreeHGlobal (native_info);
return __result;
}
}
internal class PadProbeCallbackWrapper {
public int NativeCallback (IntPtr pad, IntPtr info, IntPtr user_data)
{
try {
Gst.PadProbeReturn __ret = managed (GLib.Object.GetObject(pad) as Gst.Pad, Gst.PadProbeInfo.New (info));
if (release_on_call)
gch.Free ();
return (int) __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 PadProbeCallbackNative NativeDelegate;
Gst.PadProbeCallback managed;
public PadProbeCallbackWrapper (Gst.PadProbeCallback managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new PadProbeCallbackNative (NativeCallback);
}
public static Gst.PadProbeCallback GetManagedDelegate (PadProbeCallbackNative native)
{
if (native == null)
return null;
PadProbeCallbackWrapper wrapper = (PadProbeCallbackWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}