gstreamer/sources/generated/Gst/GstSharp.PadChainFunctionNative.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 PadChainFunctionNative(IntPtr pad, IntPtr parent, IntPtr buffer);
internal class PadChainFunctionInvoker {
PadChainFunctionNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~PadChainFunctionInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal PadChainFunctionInvoker (PadChainFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal PadChainFunctionInvoker (PadChainFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal PadChainFunctionInvoker (PadChainFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.PadChainFunction Handler {
get {
return new Gst.PadChainFunction(InvokeNative);
}
}
Gst.FlowReturn InvokeNative (Gst.Pad pad, Gst.Object parent, Gst.Buffer buffer)
{
buffer.Owned = false;
Gst.FlowReturn __result = (Gst.FlowReturn) native_cb (pad == null ? IntPtr.Zero : pad.Handle, parent == null ? IntPtr.Zero : parent.Handle, buffer == null ? IntPtr.Zero : buffer.Handle);
return __result;
}
}
internal class PadChainFunctionWrapper {
public int NativeCallback (IntPtr pad, IntPtr parent, IntPtr buffer)
{
try {
Gst.FlowReturn __ret = managed (GLib.Object.GetObject(pad) as Gst.Pad, GLib.Object.GetObject(parent) as Gst.Object, buffer == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (buffer, typeof (Gst.Buffer), true));
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 PadChainFunctionNative NativeDelegate;
Gst.PadChainFunction managed;
public PadChainFunctionWrapper (Gst.PadChainFunction managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new PadChainFunctionNative (NativeCallback);
}
public static Gst.PadChainFunction GetManagedDelegate (PadChainFunctionNative native)
{
if (native == null)
return null;
PadChainFunctionWrapper wrapper = (PadChainFunctionWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}