gstreamer/sources/generated/Gst/GstSharp.MemoryCopyFunctionNative.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 IntPtr MemoryCopyFunctionNative(IntPtr mem, IntPtr offset, IntPtr size);
internal class MemoryCopyFunctionInvoker {
MemoryCopyFunctionNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~MemoryCopyFunctionInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal MemoryCopyFunctionInvoker (MemoryCopyFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal MemoryCopyFunctionInvoker (MemoryCopyFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal MemoryCopyFunctionInvoker (MemoryCopyFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.MemoryCopyFunction Handler {
get {
return new Gst.MemoryCopyFunction(InvokeNative);
}
}
Gst.Memory InvokeNative (Gst.Memory mem, long offset, long size)
{
Gst.Memory __result = native_cb (mem == null ? IntPtr.Zero : mem.Handle, new IntPtr (offset), new IntPtr (size)) == IntPtr.Zero ? null : (Gst.Memory) GLib.Opaque.GetOpaque (native_cb (mem == null ? IntPtr.Zero : mem.Handle, new IntPtr (offset), new IntPtr (size)), typeof (Gst.Memory), true);
return __result;
}
}
internal class MemoryCopyFunctionWrapper {
public IntPtr NativeCallback (IntPtr mem, IntPtr offset, IntPtr size)
{
try {
Gst.Memory __ret = managed (mem == IntPtr.Zero ? null : (Gst.Memory) GLib.Opaque.GetOpaque (mem, typeof (Gst.Memory), false), (long) offset, (long) size);
if (release_on_call)
gch.Free ();
return __ret == null ? IntPtr.Zero : __ret.OwnedCopy;
} 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 MemoryCopyFunctionNative NativeDelegate;
Gst.MemoryCopyFunction managed;
public MemoryCopyFunctionWrapper (Gst.MemoryCopyFunction managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new MemoryCopyFunctionNative (NativeCallback);
}
public static Gst.MemoryCopyFunction GetManagedDelegate (MemoryCopyFunctionNative native)
{
if (native == null)
return null;
MemoryCopyFunctionWrapper wrapper = (MemoryCopyFunctionWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}