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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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98 lines
2.5 KiB
C#
98 lines
2.5 KiB
C#
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// This file was generated by the Gtk# code generator.
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// Any changes made will be lost if regenerated.
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namespace GstSharp {
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using System;
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using System.Runtime.InteropServices;
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#region Autogenerated code
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[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
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internal delegate bool StructureMapFuncNative(uint field_id, IntPtr value, IntPtr user_data);
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internal class StructureMapFuncInvoker {
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StructureMapFuncNative native_cb;
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IntPtr __data;
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GLib.DestroyNotify __notify;
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~StructureMapFuncInvoker ()
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{
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if (__notify == null)
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return;
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__notify (__data);
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}
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internal StructureMapFuncInvoker (StructureMapFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
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internal StructureMapFuncInvoker (StructureMapFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
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internal StructureMapFuncInvoker (StructureMapFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
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{
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this.native_cb = native_cb;
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__data = data;
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__notify = notify;
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}
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internal Gst.StructureMapFunc Handler {
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get {
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return new Gst.StructureMapFunc(InvokeNative);
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}
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}
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bool InvokeNative (uint field_id, GLib.Value value)
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{
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IntPtr native_value = GLib.Marshaller.StructureToPtrAlloc (value);
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bool __result = native_cb (field_id, native_value, __data);
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Marshal.FreeHGlobal (native_value);
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return __result;
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}
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}
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internal class StructureMapFuncWrapper {
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public bool NativeCallback (uint field_id, IntPtr value, IntPtr user_data)
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{
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try {
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bool __ret = managed (field_id, (GLib.Value) Marshal.PtrToStructure (value, typeof (GLib.Value)));
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if (release_on_call)
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gch.Free ();
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return __ret;
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} catch (Exception e) {
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GLib.ExceptionManager.RaiseUnhandledException (e, false);
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return false;
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}
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}
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bool release_on_call = false;
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GCHandle gch;
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public void PersistUntilCalled ()
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{
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release_on_call = true;
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gch = GCHandle.Alloc (this);
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}
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internal StructureMapFuncNative NativeDelegate;
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Gst.StructureMapFunc managed;
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public StructureMapFuncWrapper (Gst.StructureMapFunc managed)
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{
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this.managed = managed;
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if (managed != null)
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NativeDelegate = new StructureMapFuncNative (NativeCallback);
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}
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public static Gst.StructureMapFunc GetManagedDelegate (StructureMapFuncNative native)
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{
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if (native == null)
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return null;
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StructureMapFuncWrapper wrapper = (StructureMapFuncWrapper) native.Target;
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if (wrapper == null)
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return null;
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return wrapper.managed;
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}
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}
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#endregion
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}
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