Bool gf_filter_is_instance_of(GF_Filter *filter, const GF_FilterRegister *freg)
{
	if (filter && freg && (filter->freg==freg))
		return GF_TRUE;
	return GF_FALSE;
}
Bool gf_filter_is_instance_of(GF_Filter *filter, const GF_FilterRegister *freg)
{
	if (filter && freg && (filter->freg==freg))
		return GF_TRUE;
	return GF_FALSE;
}