gstreamer/sources/generated/Gst.PbUtils/Gst.PbUtilsSharp.AudioVisualizerShaderFuncNative.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 Gst.PbUtilsSharp {
using System;
using System.Runtime.InteropServices;
#region Autogenerated code
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
internal delegate void AudioVisualizerShaderFuncNative(IntPtr scope, IntPtr s, IntPtr d);
internal class AudioVisualizerShaderFuncInvoker {
AudioVisualizerShaderFuncNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~AudioVisualizerShaderFuncInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal AudioVisualizerShaderFuncInvoker (AudioVisualizerShaderFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal AudioVisualizerShaderFuncInvoker (AudioVisualizerShaderFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal AudioVisualizerShaderFuncInvoker (AudioVisualizerShaderFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.PbUtils.AudioVisualizerShaderFunc Handler {
get {
return new Gst.PbUtils.AudioVisualizerShaderFunc(InvokeNative);
}
}
void InvokeNative (Gst.PbUtils.AudioVisualizer scope, Gst.Video.VideoFrame s, Gst.Video.VideoFrame d)
{
IntPtr native_s = GLib.Marshaller.StructureToPtrAlloc (s);
IntPtr native_d = GLib.Marshaller.StructureToPtrAlloc (d);
native_cb (scope == null ? IntPtr.Zero : scope.Handle, native_s, native_d);
Marshal.FreeHGlobal (native_s);
Marshal.FreeHGlobal (native_d);
}
}
internal class AudioVisualizerShaderFuncWrapper {
public void NativeCallback (IntPtr scope, IntPtr s, IntPtr d)
{
try {
managed (GLib.Object.GetObject(scope) as Gst.PbUtils.AudioVisualizer, Gst.Video.VideoFrame.New (s), Gst.Video.VideoFrame.New (d));
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 AudioVisualizerShaderFuncNative NativeDelegate;
Gst.PbUtils.AudioVisualizerShaderFunc managed;
public AudioVisualizerShaderFuncWrapper (Gst.PbUtils.AudioVisualizerShaderFunc managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new AudioVisualizerShaderFuncNative (NativeCallback);
}
public static Gst.PbUtils.AudioVisualizerShaderFunc GetManagedDelegate (AudioVisualizerShaderFuncNative native)
{
if (native == null)
return null;
AudioVisualizerShaderFuncWrapper wrapper = (AudioVisualizerShaderFuncWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}