if (o->format->data && packet->type == o->format->df_type)
o->format->data(o, filter_out, filter_out_len,
&output_buf, &output_len);
if (o->format->data && packet->type == o->format->df_type)
o->format->data(o, filter_out, filter_out_len,
&output_buf, &output_len);