static void OverrideGetSinkCaps(GLib.GType gtype, GetSinkCapsNativeDelegate callback)
{
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("get_sink_caps"));
*raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback);
}
}
private Gst.Caps InternalGetSinkCaps(Gst.Caps filter)
{
GetSinkCapsNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("get_sink_caps"));
unmanaged = (GetSinkCapsNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(GetSinkCapsNativeDelegate));
}
if (unmanaged == null)
{
return(null);
}
IntPtr __result = unmanaged(this.Handle, filter == null ? IntPtr.Zero : filter.Handle);
return(__result == IntPtr.Zero ? null : (Gst.Caps)GLib.Opaque.GetOpaque(__result, typeof(Gst.Caps), true));
}