v->pquantizer = get_bits(&v->gb, 1);
v->pquantizer = get_bits(gb, 1);
static int decode_bi_picture_header(VC9Context *v){    /* Very particular case:       - for S/M Profiles, decode_b_picture_header reads BF,         bfraction then determine if this is a BI frame, calling         this function afterwards       - for A Profile, PTYPE already tells so and we can go         directly there    */    int pqindex;    /* Read the quantization stuff */    pqindex = get_bits(&v->gb, 5);    if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)        v->pq = pquant_table[0][pqindex];    else    {        v->pq = pquant_table[v->quantizer_mode-1][pqindex];    }    if (pqindex < 9) v->halfpq = get_bits(&v->gb, 1);    if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)        v->pquantizer = get_bits(&v->gb, 1);    /* Read the MV type/mode */    if (v->extended_mv == 1)        v->mvrange = get_prefix(&v->gb, 0, 3);    /* FIXME: what table are used in that case ? */    v->mv_diff_vlc = &vc9_mv_diff_vlc[0];    v->cbpcy_vlc = &vc9_cbpcy_i_vlc;    av_log(v->avctx, AV_LOG_DEBUG, "B frame, QP=%i\n", v->pq);    av_log(v->avctx, AV_LOG_ERROR, "BI_TYPE not supported yet\n");    /* Epilog should be done in caller */    return -1;}