static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {

    const int index_a = qp + h->slice_alpha_c0_offset;

    const int alpha = (alpha_table+52)[index_a];

    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];

    if (alpha ==0 || beta == 0) return;



    if( bS[0] < 4 ) {

        int8_t tc[4];

        tc[0] = (tc0_table+52)[index_a][bS[0]]+1;

        tc[1] = (tc0_table+52)[index_a][bS[1]]+1;

        tc[2] = (tc0_table+52)[index_a][bS[2]]+1;

        tc[3] = (tc0_table+52)[index_a][bS[3]]+1;

        h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);

    } else {

        h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);

    }

}
