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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 BufferListFuncNative(out IntPtr buffer, uint idx, IntPtr user_data);
internal class BufferListFuncInvoker {
BufferListFuncNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~BufferListFuncInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal BufferListFuncInvoker (BufferListFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal BufferListFuncInvoker (BufferListFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal BufferListFuncInvoker (BufferListFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.BufferListFunc Handler {
get {
return new Gst.BufferListFunc(InvokeNative);
}
}
bool InvokeNative (out Gst.Buffer buffer, uint idx)
{
IntPtr native_buffer;
bool __result = native_cb (out native_buffer, idx, __data);
buffer = native_buffer == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (native_buffer, typeof (Gst.Buffer), true);
return __result;
}
}
internal class BufferListFuncWrapper {
public bool NativeCallback (out IntPtr buffer, uint idx, IntPtr user_data)
{
try {
Gst.Buffer mybuffer;
bool __ret = managed (out mybuffer, idx);
buffer = mybuffer == null ? IntPtr.Zero : mybuffer.Handle;
if (release_on_call)
gch.Free ();
return __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 BufferListFuncNative NativeDelegate;
Gst.BufferListFunc managed;
public BufferListFuncWrapper (Gst.BufferListFunc managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new BufferListFuncNative (NativeCallback);
}
public static Gst.BufferListFunc GetManagedDelegate (BufferListFuncNative native)
{
if (native == null)
return null;
BufferListFuncWrapper wrapper = (BufferListFuncWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}
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