subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.MemoryShareFunctionNative.cs

   1 // This file was generated by the Gtk# code generator.
   2 // Any changes made will be lost if regenerated.
   3
   4 namespace GstSharp {
   5
   6         using System;
   7         using System.Runtime.InteropServices;
   8
   9 #region Autogenerated code
  10         [UnmanagedFunctionPointer (CallingConvention.Cdecl)]
  11         internal delegate IntPtr MemoryShareFunctionNative(IntPtr mem, IntPtr offset, IntPtr size);
  12
  13         internal class MemoryShareFunctionInvoker {
  14
  15                 MemoryShareFunctionNative native_cb;
  16                 IntPtr __data;
  17                 GLib.DestroyNotify __notify;
  18
  19                 ~MemoryShareFunctionInvoker ()
  20                 {
  21                         if (__notify == null)
  22                                 return;
  23                         __notify (__data);
  24                 }
  25
  26                 internal MemoryShareFunctionInvoker (MemoryShareFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
  27
  28                 internal MemoryShareFunctionInvoker (MemoryShareFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
  29
  30                 internal MemoryShareFunctionInvoker (MemoryShareFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
  31                 {
  32                         this.native_cb = native_cb;
  33                         __data = data;
  34                         __notify = notify;
  35                 }
  36
  37                 internal Gst.MemoryShareFunction Handler {
  38                         get {
  39                                 return new Gst.MemoryShareFunction(InvokeNative);
  40                         }
  41                 }
  42
  43                 Gst.Memory InvokeNative (Gst.Memory mem, long offset, long size)
  44                 {
  45                         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);
  46                         return __result;
  47                 }
  48         }
  49
  50         internal class MemoryShareFunctionWrapper {
  51
  52                 public IntPtr NativeCallback (IntPtr mem, IntPtr offset, IntPtr size)
  53                 {
  54                         try {
  55                                 Gst.Memory __ret = managed (mem == IntPtr.Zero ? null : (Gst.Memory) GLib.Opaque.GetOpaque (mem, typeof (Gst.Memory), false), (long) offset, (long) size);
  56                                 if (release_on_call)
  57                                         gch.Free ();
  58                                 return __ret == null ? IntPtr.Zero : __ret.OwnedCopy;
  59                         } catch (Exception e) {
  60                                 GLib.ExceptionManager.RaiseUnhandledException (e, true);
  61                                 // NOTREACHED: Above call does not return.
  62                                 throw e;
  63                         }
  64                 }
  65
  66                 bool release_on_call = false;
  67                 GCHandle gch;
  68
  69                 public void PersistUntilCalled ()
  70                 {
  71                         release_on_call = true;
  72                         gch = GCHandle.Alloc (this);
  73                 }
  74
  75                 internal MemoryShareFunctionNative NativeDelegate;
  76                 Gst.MemoryShareFunction managed;
  77
  78                 public MemoryShareFunctionWrapper (Gst.MemoryShareFunction managed)
  79                 {
  80                         this.managed = managed;
  81                         if (managed != null)
  82                                 NativeDelegate = new MemoryShareFunctionNative (NativeCallback);
  83                 }
  84
  85                 public static Gst.MemoryShareFunction GetManagedDelegate (MemoryShareFunctionNative native)
  86                 {
  87                         if (native == null)
  88                                 return null;
  89                         MemoryShareFunctionWrapper wrapper = (MemoryShareFunctionWrapper) native.Target;
  90                         if (wrapper == null)
  91                                 return null;
  92                         return wrapper.managed;
  93                 }
  94         }
  95 #endregion
  96 }