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

    int i, d;

    const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );

    const int alpha = alpha_table[index_a];

    const int beta  = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];



    for( i = 0; i < 4; i++ ) {

        if( bS[i] == 0 ) {

            pix += 2 * stride;

            continue;

        }



        /* 2px edge length (because we use same bS than the one for luma) */

        for( d = 0; d < 2; d++ )

        {

            const uint8_t p0 = pix[-1];

            const uint8_t p1 = pix[-2];

            const uint8_t q0 = pix[0];

            const uint8_t q1 = pix[1];



            if( abs( p0 - q0 ) >= alpha ||

                abs( p1 - p0 ) >= beta ||

                abs( q1 - q0 ) >= beta ) {

                pix += stride;

                continue;

            }



            if( bS[i] < 4 ) {

                const int tc = tc0_table[index_a][bS[i] - 1] + 1;

                const int i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );



                pix[-1] = clip( p0 + i_delta, 0, 255 );    /* p0' */

                pix[0]  = clip( q0 - i_delta, 0, 255 );    /* q0' */

            } else {

                pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */

                pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */

            }

            pix += stride;

        }

    }

}

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

    int i, d;

    const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );

    const int alpha = alpha_table[index_a];

    const int beta  = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];



    for( i = 0; i < 4; i++ ) {

        if( bS[i] == 0 ) {

            pix += 2 * stride;

            continue;

        }



        

        for( d = 0; d < 2; d++ )

        {

            const uint8_t p0 = pix[-1];

            const uint8_t p1 = pix[-2];

            const uint8_t q0 = pix[0];

            const uint8_t q1 = pix[1];



            if( abs( p0 - q0 ) >= alpha ||

                abs( p1 - p0 ) >= beta ||

                abs( q1 - q0 ) >= beta ) {

                pix += stride;

                continue;

            }



            if( bS[i] < 4 ) {

                const int tc = tc0_table[index_a][bS[i] - 1] + 1;

                const int i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );



                pix[-1] = clip( p0 + i_delta, 0, 255 );    

                pix[0]  = clip( q0 - i_delta, 0, 255 );    

            } else {

                pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   

                pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   

            }

            pix += stride;

        }

    }

}

static void FUNC_0( H264Context *VAR_0, uint8_t *VAR_1, int VAR_2, int VAR_3[4], int VAR_4 ) {

    int VAR_5, VAR_6;

    const int VAR_7 = clip( VAR_4 + VAR_0->slice_alpha_c0_offset, 0, 51 );

    const int VAR_8 = alpha_table[VAR_7];

    const int VAR_9  = beta_table[clip( VAR_4 + VAR_0->slice_beta_offset, 0, 51 )];



    for( VAR_5 = 0; VAR_5 < 4; VAR_5++ ) {

        if( VAR_3[VAR_5] == 0 ) {

            VAR_1 += 2 * VAR_2;

            continue;

        }



        

        for( VAR_6 = 0; VAR_6 < 2; VAR_6++ )

        {

            const uint8_t VAR_10 = VAR_1[-1];

            const uint8_t VAR_11 = VAR_1[-2];

            const uint8_t VAR_12 = VAR_1[0];

            const uint8_t VAR_13 = VAR_1[1];



            if( abs( VAR_10 - VAR_12 ) >= VAR_8 ||

                abs( VAR_11 - VAR_10 ) >= VAR_9 ||

                abs( VAR_13 - VAR_12 ) >= VAR_9 ) {

                VAR_1 += VAR_2;

                continue;

            }



            if( VAR_3[VAR_5] < 4 ) {

                const int VAR_14 = tc0_table[VAR_7][VAR_3[VAR_5] - 1] + 1;

                const int VAR_15 = clip( (((VAR_12 - VAR_10 ) << 2) + (VAR_11 - VAR_13) + 4) >> 3, -VAR_14, VAR_14 );



                VAR_1[-1] = clip( VAR_10 + VAR_15, 0, 255 );    

                VAR_1[0]  = clip( VAR_12 - VAR_15, 0, 255 );    

            } else {

                VAR_1[-1] = ( 2*VAR_11 + VAR_10 + VAR_13 + 2 ) >> 2;   

                VAR_1[0]  = ( 2*VAR_13 + VAR_12 + VAR_11 + 2 ) >> 2;   

            }

            VAR_1 += VAR_2;

        }

    }

}

static void FUNC_0( H264Context *VAR_0, uint8_t *VAR_1, int VAR_2, int VAR_3[4], int VAR_4 ) { int VAR_5, VAR_6; const int VAR_7 = clip( VAR_4 + VAR_0->slice_alpha_c0_offset, 0, 51 ); const int VAR_8 = alpha_table[VAR_7]; const int VAR_9  = beta_table[clip( VAR_4 + VAR_0->slice_beta_offset, 0, 51 )]; for( VAR_5 = 0; VAR_5 < 4; VAR_5++ ) { if( VAR_3[VAR_5] == 0 ) { VAR_1 += 2 * VAR_2; continue; } for( VAR_6 = 0; VAR_6 < 2; VAR_6++ ) { const uint8_t VAR_10 = VAR_1[-1]; const uint8_t VAR_11 = VAR_1[-2]; const uint8_t VAR_12 = VAR_1[0]; const uint8_t VAR_13 = VAR_1[1]; if( abs( VAR_10 - VAR_12 ) >= VAR_8 ||
abs( VAR_11 - VAR_10 ) >= VAR_9 ||
abs( VAR_13 - VAR_12 ) >= VAR_9 ) { VAR_1 += VAR_2; continue; } if( VAR_3[VAR_5] < 4 ) { const int VAR_14 = tc0_table[VAR_7][VAR_3[VAR_5] - 1] + 1; const int VAR_15 = clip( (((VAR_12 - VAR_10 ) << 2) + (VAR_11 - VAR_13) + 4) >> 3, -VAR_14, VAR_14 ); VAR_1[-1] = clip( VAR_10 + VAR_15, 0, 255 ); VAR_1[0]  = clip( VAR_12 - VAR_15, 0, 255 ); } else { VAR_1[-1] = ( 2*VAR_11 + VAR_10 + VAR_13 + 2 ) >> 2; VAR_1[0]  = ( 2*VAR_13 + VAR_12 + VAR_11 + 2 ) >> 2; } VAR_1 += VAR_2; } } }