GF_Err gf_filter_prevent_blocking(GF_Filter *filter, Bool prevent_blocking_enabled)
{
	if (!filter) return GF_BAD_PARAM;
	filter->prevent_blocking = prevent_blocking_enabled;
	return GF_OK;
}
GF_Err gf_filter_prevent_blocking(GF_Filter *filter, Bool prevent_blocking_enabled)
{
	if (!filter) return GF_BAD_PARAM;
	filter->prevent_blocking = prevent_blocking_enabled;
	return GF_OK;
}