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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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93 lines
2.6 KiB
C#
93 lines
2.6 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 Gst.VideoSharp {
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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 void VideoConvertSampleCallbackNative(IntPtr sample, IntPtr error, IntPtr user_data);
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internal class VideoConvertSampleCallbackInvoker {
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VideoConvertSampleCallbackNative native_cb;
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IntPtr __data;
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GLib.DestroyNotify __notify;
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~VideoConvertSampleCallbackInvoker ()
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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 VideoConvertSampleCallbackInvoker (VideoConvertSampleCallbackNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
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internal VideoConvertSampleCallbackInvoker (VideoConvertSampleCallbackNative native_cb, IntPtr data) : this (native_cb, data, null) {}
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internal VideoConvertSampleCallbackInvoker (VideoConvertSampleCallbackNative 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.Video.VideoConvertSampleCallback Handler {
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get {
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return new Gst.Video.VideoConvertSampleCallback(InvokeNative);
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}
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}
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void InvokeNative (Gst.Sample sample, IntPtr error)
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{
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native_cb (sample == null ? IntPtr.Zero : sample.Handle, error, __data);
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}
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}
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internal class VideoConvertSampleCallbackWrapper {
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public void NativeCallback (IntPtr sample, IntPtr error, IntPtr user_data)
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{
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try {
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managed (sample == IntPtr.Zero ? null : (Gst.Sample) GLib.Opaque.GetOpaque (sample, typeof (Gst.Sample), false), error);
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if (release_on_call)
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gch.Free ();
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} catch (Exception e) {
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GLib.ExceptionManager.RaiseUnhandledException (e, 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 VideoConvertSampleCallbackNative NativeDelegate;
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Gst.Video.VideoConvertSampleCallback managed;
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public VideoConvertSampleCallbackWrapper (Gst.Video.VideoConvertSampleCallback 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 VideoConvertSampleCallbackNative (NativeCallback);
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}
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public static Gst.Video.VideoConvertSampleCallback GetManagedDelegate (VideoConvertSampleCallbackNative native)
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{
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if (native == null)
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return null;
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VideoConvertSampleCallbackWrapper wrapper = (VideoConvertSampleCallbackWrapper) 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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