static int decode_residual_block(AVSContext *h, GetBitContext *gb,

                                 const struct dec_2dvlc *r, int esc_golomb_order,

                                 int qp, uint8_t *dst, int stride) {

    int i, level_code, esc_code, level, run, mask;

    DCTELEM level_buf[65];

    uint8_t run_buf[65];

    DCTELEM *block = h->block;



    for(i=0;i<65;i++) {

        level_code = get_ue_code(gb,r->golomb_order);

        if(level_code >= ESCAPE_CODE) {

            run = ((level_code - ESCAPE_CODE) >> 1) + 1;

            esc_code = get_ue_code(gb,esc_golomb_order);

            level = esc_code + (run > r->max_run ? 1 : r->level_add[run]);

            while(level > r->inc_limit)

                r++;

            mask = -(level_code & 1);

            level = (level^mask) - mask;

        } else {

            level = r->rltab[level_code][0];

            if(!level) 

                break;

            run   = r->rltab[level_code][1];

            r += r->rltab[level_code][2];

        }

        level_buf[i] = level;

        run_buf[i] = run;

    }

    if(dequant(h,level_buf, run_buf, block, ff_cavs_dequant_mul[qp],

               ff_cavs_dequant_shift[qp], i))

        return -1;

    h->cdsp.cavs_idct8_add(dst,block,stride);

    h->s.dsp.clear_block(block);

    return 0;

}
