public static Gst.MetaInfo MetaRegisterCustom(string name, string[] tags, Gst.CustomMetaTransformFunction transform_func)
{
IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup(name);
int cnt_tags = tags == null ? 0 : tags.Length;
IntPtr[] native_tags = new IntPtr [cnt_tags + 1];
for (int i = 0; i < cnt_tags; i++)
{
native_tags [i] = GLib.Marshaller.StringToPtrGStrdup(tags[i]);
}
native_tags [cnt_tags] = IntPtr.Zero;
GstSharp.CustomMetaTransformFunctionWrapper transform_func_wrapper = new GstSharp.CustomMetaTransformFunctionWrapper(transform_func);
IntPtr user_data;
GLib.DestroyNotify destroy_data;
if (transform_func == null)
{
user_data = IntPtr.Zero;
destroy_data = null;
}
else
{
user_data = (IntPtr)GCHandle.Alloc(transform_func_wrapper);
destroy_data = GLib.DestroyHelper.NotifyHandler;
}
IntPtr raw_ret = gst_meta_register_custom(native_name, native_tags, transform_func_wrapper.NativeDelegate, user_data, destroy_data);
Gst.MetaInfo ret = Gst.MetaInfo.New(raw_ret);
GLib.Marshaller.Free(native_name);
return(ret);
}
public CustomMetaTransformFunctionWrapper(Gst.CustomMetaTransformFunction managed)
{
this.managed = managed;
if (managed != null)
{
NativeDelegate = new CustomMetaTransformFunctionNative(NativeCallback);
}
}