init_rl(&h261_rl_tcoeff);
init_rl(&h261_rl_tcoeff, 1);
void ff_h261_encode_init(MpegEncContext *s){    static int done = 0;        if (!done) {        done = 1;        init_rl(&h261_rl_tcoeff);    }    s->min_qcoeff= -127;    s->max_qcoeff=  127;    s->y_dc_scale_table=    s->c_dc_scale_table= ff_mpeg1_dc_scale_table;}