gstreamer/subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.ControlBindingConvertNative.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 void ControlBindingConvertNative(IntPtr binding, double src_value, IntPtr dest_value);
internal class ControlBindingConvertInvoker {
ControlBindingConvertNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~ControlBindingConvertInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal ControlBindingConvertInvoker (ControlBindingConvertNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal ControlBindingConvertInvoker (ControlBindingConvertNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal ControlBindingConvertInvoker (ControlBindingConvertNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.ControlBindingConvert Handler {
get {
return new Gst.ControlBindingConvert(InvokeNative);
}
}
void InvokeNative (Gst.ControlBinding binding, double src_value, GLib.Value dest_value)
{
IntPtr native_dest_value = GLib.Marshaller.StructureToPtrAlloc (dest_value);
native_cb (binding == null ? IntPtr.Zero : binding.Handle, src_value, native_dest_value);
Marshal.FreeHGlobal (native_dest_value);
}
}
internal class ControlBindingConvertWrapper {
public void NativeCallback (IntPtr binding, double src_value, IntPtr dest_value)
{
try {
managed (GLib.Object.GetObject(binding) as Gst.ControlBinding, src_value, (GLib.Value) Marshal.PtrToStructure (dest_value, typeof (GLib.Value)));
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 ControlBindingConvertNative NativeDelegate;
Gst.ControlBindingConvert managed;
public ControlBindingConvertWrapper (Gst.ControlBindingConvert managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new ControlBindingConvertNative (NativeCallback);
}
public static Gst.ControlBindingConvert GetManagedDelegate (ControlBindingConvertNative native)
{
if (native == null)
return null;
ControlBindingConvertWrapper wrapper = (ControlBindingConvertWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}