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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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103 lines
2.5 KiB
C#
103 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 BufferListFuncNative(out IntPtr buffer, uint idx, IntPtr user_data);
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internal class BufferListFuncInvoker {
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BufferListFuncNative native_cb;
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IntPtr __data;
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GLib.DestroyNotify __notify;
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~BufferListFuncInvoker ()
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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 BufferListFuncInvoker (BufferListFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
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internal BufferListFuncInvoker (BufferListFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
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internal BufferListFuncInvoker (BufferListFuncNative 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.BufferListFunc Handler {
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get {
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return new Gst.BufferListFunc(InvokeNative);
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}
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}
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bool InvokeNative (out Gst.Buffer buffer, uint idx)
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{
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IntPtr native_buffer;
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bool __result = native_cb (out native_buffer, idx, __data);
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buffer = native_buffer == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (native_buffer, typeof (Gst.Buffer), true);
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return __result;
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}
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}
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internal class BufferListFuncWrapper {
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public bool NativeCallback (out IntPtr buffer, uint idx, IntPtr user_data)
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{
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try {
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Gst.Buffer mybuffer;
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bool __ret = managed (out mybuffer, idx);
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buffer = mybuffer == null ? IntPtr.Zero : mybuffer.Handle;
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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, 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 BufferListFuncNative NativeDelegate;
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Gst.BufferListFunc managed;
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public BufferListFuncWrapper (Gst.BufferListFunc 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 BufferListFuncNative (NativeCallback);
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}
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public static Gst.BufferListFunc GetManagedDelegate (BufferListFuncNative native)
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{
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if (native == null)
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return null;
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BufferListFuncWrapper wrapper = (BufferListFuncWrapper) 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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