// This file was generated by the Gtk# code generator.
// Any changes made will be lost if regenerated.

namespace Gst.Video {

	using System;
	using System.Collections;
	using System.Collections.Generic;
	using System.Runtime.InteropServices;

#region Autogenerated code
	public partial class VideoSink : Gst.Base.BaseSink {

		public VideoSink (IntPtr raw) : base(raw) {}

		protected VideoSink() : base(IntPtr.Zero)
		{
			CreateNativeObject (new string [0], new GLib.Value [0]);
		}

		[GLib.Property ("show-preroll-frame")]
		public bool ShowPrerollFrame {
			get {
				GLib.Value val = GetProperty ("show-preroll-frame");
				bool ret = (bool) val;
				val.Dispose ();
				return ret;
			}
			set {
				GLib.Value val = new GLib.Value(value);
				SetProperty("show-preroll-frame", val);
				val.Dispose ();
			}
		}

		public int Width {
			get {
				unsafe {
					int* raw_ptr = (int*)(((byte*)Handle) + abi_info.GetFieldOffset("width"));
					return (*raw_ptr);
				}
			}
		}

		public int Height {
			get {
				unsafe {
					int* raw_ptr = (int*)(((byte*)Handle) + abi_info.GetFieldOffset("height"));
					return (*raw_ptr);
				}
			}
		}

		static ShowFrameNativeDelegate ShowFrame_cb_delegate;
		static ShowFrameNativeDelegate ShowFrameVMCallback {
			get {
				if (ShowFrame_cb_delegate == null)
					ShowFrame_cb_delegate = new ShowFrameNativeDelegate (ShowFrame_cb);
				return ShowFrame_cb_delegate;
			}
		}

		static void OverrideShowFrame (GLib.GType gtype)
		{
			OverrideShowFrame (gtype, ShowFrameVMCallback);
		}

		static void OverrideShowFrame (GLib.GType gtype, ShowFrameNativeDelegate callback)
		{
			unsafe {
				IntPtr* raw_ptr = (IntPtr*)(((long) gtype.GetClassPtr()) + (long) class_abi.GetFieldOffset("show_frame"));
				*raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate) callback);
			}
		}

		[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
		delegate int ShowFrameNativeDelegate (IntPtr inst, IntPtr buf);

		static int ShowFrame_cb (IntPtr inst, IntPtr buf)
		{
			try {
				VideoSink __obj = GLib.Object.GetObject (inst, false) as VideoSink;
				Gst.FlowReturn __result;
				__result = __obj.OnShowFrame (buf == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (buf, typeof (Gst.Buffer), false));
				return (int) __result;
			} catch (Exception e) {
				GLib.ExceptionManager.RaiseUnhandledException (e, true);
				// NOTREACHED: above call does not return.
				throw e;
			}
		}

		[GLib.DefaultSignalHandler(Type=typeof(Gst.Video.VideoSink), ConnectionMethod="OverrideShowFrame")]
		protected virtual Gst.FlowReturn OnShowFrame (Gst.Buffer buf)
		{
			return InternalShowFrame (buf);
		}

		private Gst.FlowReturn InternalShowFrame (Gst.Buffer buf)
		{
			ShowFrameNativeDelegate unmanaged = null;
			unsafe {
				IntPtr* raw_ptr = (IntPtr*)(((long) this.LookupGType().GetThresholdType().GetClassPtr()) + (long) class_abi.GetFieldOffset("show_frame"));
				unmanaged = (ShowFrameNativeDelegate) Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(ShowFrameNativeDelegate));
			}
			if (unmanaged == null) return (Gst.FlowReturn) 0;

			int __result = unmanaged (this.Handle, buf == null ? IntPtr.Zero : buf.Handle);
			return (Gst.FlowReturn) __result;
		}


		// Internal representation of the wrapped structure ABI.
		static GLib.AbiStruct _class_abi = null;
		static public new GLib.AbiStruct class_abi {
			get {
				if (_class_abi == null)
					_class_abi = new GLib.AbiStruct (new List<GLib.AbiField>{ 
						new GLib.AbiField("show_frame"
							, Gst.Base.BaseSink.class_abi.Fields
							, (uint) Marshal.SizeOf(typeof(IntPtr)) // show_frame
							, null
							, "_gst_reserved"
							, (uint) Marshal.SizeOf(typeof(IntPtr))
							, 0
							),
						new GLib.AbiField("_gst_reserved"
							, -1
							, (uint) Marshal.SizeOf(typeof(IntPtr)) * 4 // _gst_reserved
							, "show_frame"
							, null
							, (uint) Marshal.SizeOf(typeof(IntPtr))
							, 0
							),
					});

				return _class_abi;
			}
		}


		// End of the ABI representation.

		[DllImport("libgstvideo-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
		static extern IntPtr gst_video_sink_get_type();

		public static new GLib.GType GType { 
			get {
				IntPtr raw_ret = gst_video_sink_get_type();
				GLib.GType ret = new GLib.GType(raw_ret);
				return ret;
			}
		}

		[DllImport("libgstvideo-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
		static extern void gst_video_sink_center_rect(IntPtr src, IntPtr dst, IntPtr _result, bool scaling);

		public static void CenterRect(Gst.Video.VideoRectangle src, Gst.Video.VideoRectangle dst, Gst.Video.VideoRectangle _result, bool scaling) {
			IntPtr native_src = GLib.Marshaller.StructureToPtrAlloc (src);
			IntPtr native_dst = GLib.Marshaller.StructureToPtrAlloc (dst);
			IntPtr native__result = GLib.Marshaller.StructureToPtrAlloc (_result);
			gst_video_sink_center_rect(native_src, native_dst, native__result, scaling);
			Marshal.FreeHGlobal (native_src);
			Marshal.FreeHGlobal (native_dst);
			Marshal.FreeHGlobal (native__result);
		}


		static VideoSink ()
		{
			GtkSharp.GstreamerSharp.ObjectManager.Initialize ();
		}

		// Internal representation of the wrapped structure ABI.
		static GLib.AbiStruct _abi_info = null;
		static public new GLib.AbiStruct abi_info {
			get {
				if (_abi_info == null)
					_abi_info = new GLib.AbiStruct (new List<GLib.AbiField>{ 
						new GLib.AbiField("width"
							, Gst.Base.BaseSink.abi_info.Fields
							, (uint) Marshal.SizeOf(typeof(int)) // width
							, null
							, "height"
							, (long) Marshal.OffsetOf(typeof(GstVideoSink_widthAlign), "width")
							, 0
							),
						new GLib.AbiField("height"
							, -1
							, (uint) Marshal.SizeOf(typeof(int)) // height
							, "width"
							, "priv"
							, (long) Marshal.OffsetOf(typeof(GstVideoSink_heightAlign), "height")
							, 0
							),
						new GLib.AbiField("priv"
							, -1
							, (uint) Marshal.SizeOf(typeof(IntPtr)) // priv
							, "height"
							, "_gst_reserved"
							, (uint) Marshal.SizeOf(typeof(IntPtr))
							, 0
							),
						new GLib.AbiField("_gst_reserved"
							, -1
							, (uint) Marshal.SizeOf(typeof(IntPtr)) * 4 // _gst_reserved
							, "priv"
							, null
							, (uint) Marshal.SizeOf(typeof(IntPtr))
							, 0
							),
					});

				return _abi_info;
			}
		}

		[StructLayout(LayoutKind.Sequential)]
		public struct GstVideoSink_widthAlign
		{
			sbyte f1;
			private int width;
		}

		[StructLayout(LayoutKind.Sequential)]
		public struct GstVideoSink_heightAlign
		{
			sbyte f1;
			private int height;
		}


		// End of the ABI representation.

#endregion
	}
}
