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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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99 lines
2.7 KiB
C#
99 lines
2.7 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 int IteratorItemFunctionNative(IntPtr it, IntPtr item);
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internal class IteratorItemFunctionInvoker {
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IteratorItemFunctionNative native_cb;
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IntPtr __data;
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GLib.DestroyNotify __notify;
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~IteratorItemFunctionInvoker ()
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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 IteratorItemFunctionInvoker (IteratorItemFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
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internal IteratorItemFunctionInvoker (IteratorItemFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
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internal IteratorItemFunctionInvoker (IteratorItemFunctionNative 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.IteratorItemFunction Handler {
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get {
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return new Gst.IteratorItemFunction(InvokeNative);
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}
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}
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Gst.IteratorItem InvokeNative (Gst.Iterator it, GLib.Value item)
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{
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IntPtr native_item = GLib.Marshaller.StructureToPtrAlloc (item);
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Gst.IteratorItem __result = (Gst.IteratorItem) native_cb (it == null ? IntPtr.Zero : it.Handle, native_item);
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Marshal.FreeHGlobal (native_item);
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return __result;
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}
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}
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internal class IteratorItemFunctionWrapper {
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public int NativeCallback (IntPtr it, IntPtr item)
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{
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try {
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Gst.IteratorItem __ret = managed (it == IntPtr.Zero ? null : (Gst.Iterator) GLib.Opaque.GetOpaque (it, typeof (Gst.Iterator), false), (GLib.Value) Marshal.PtrToStructure (item, typeof (GLib.Value)));
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if (release_on_call)
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gch.Free ();
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return (int) __ret;
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} catch (Exception e) {
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GLib.ExceptionManager.RaiseUnhandledException (e, true);
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// NOTREACHED: Above call does not return.
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throw e;
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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 IteratorItemFunctionNative NativeDelegate;
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Gst.IteratorItemFunction managed;
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public IteratorItemFunctionWrapper (Gst.IteratorItemFunction 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 IteratorItemFunctionNative (NativeCallback);
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}
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public static Gst.IteratorItemFunction GetManagedDelegate (IteratorItemFunctionNative native)
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{
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if (native == null)
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return null;
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IteratorItemFunctionWrapper wrapper = (IteratorItemFunctionWrapper) 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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