private void InternalCreateConversionInfo(Gst.Video.VideoAggregator agg, Gst.Video.VideoInfo conversion_info) { CreateConversionInfoNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("create_conversion_info")); unmanaged = (CreateConversionInfoNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(CreateConversionInfoNativeDelegate)); } if (unmanaged == null) { return; } unmanaged(this.Handle, agg == null ? IntPtr.Zero : agg.Handle, conversion_info == null ? IntPtr.Zero : conversion_info.Handle); }
private void InternalCleanFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Video.VideoFrame prepared_frame) { CleanFrameNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("clean_frame")); unmanaged = (CleanFrameNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(CleanFrameNativeDelegate)); } if (unmanaged == null) { return; } IntPtr native_prepared_frame = GLib.Marshaller.StructureToPtrAlloc(prepared_frame); unmanaged(this.Handle, videoaggregator == null ? IntPtr.Zero : videoaggregator.Handle, native_prepared_frame); Marshal.FreeHGlobal(native_prepared_frame); }
private bool InternalPrepareFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Buffer buffer, Gst.Video.VideoFrame prepared_frame) { PrepareFrameNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("prepare_frame")); unmanaged = (PrepareFrameNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(PrepareFrameNativeDelegate)); } if (unmanaged == null) { return(false); } IntPtr native_prepared_frame = GLib.Marshaller.StructureToPtrAlloc(prepared_frame); bool __result = unmanaged(this.Handle, videoaggregator == null ? IntPtr.Zero : videoaggregator.Handle, buffer == null ? IntPtr.Zero : buffer.Handle, native_prepared_frame); Marshal.FreeHGlobal(native_prepared_frame); return(__result); }
protected virtual void OnCreateConversionInfo(Gst.Video.VideoAggregator agg, Gst.Video.VideoInfo conversion_info) { InternalCreateConversionInfo(agg, conversion_info); }
protected virtual void OnCleanFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Video.VideoFrame prepared_frame) { InternalCleanFrame(videoaggregator, prepared_frame); }
protected virtual bool OnPrepareFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Buffer buffer, Gst.Video.VideoFrame prepared_frame) { return(InternalPrepareFrame(videoaggregator, buffer, prepared_frame)); }