/*
  * H.26L/H.264/AVC/JVT/14496-10/... loop filter
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**

  * @file

  * H.264 / AVC / MPEG4 part10 loop filter.
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 

 #include "libavutil/internal.h"

 #include "libavutil/intreadwrite.h"

 #include "internal.h"
 #include "avcodec.h"
 #include "h264.h"
 #include "mathops.h"

 #include "mpegutils.h"

 #include "rectangle.h"
 
 /* Deblocking filter (p153) */
 static const uint8_t alpha_table[52*3] = {
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  4,  4,  5,  6,
      7,  8,  9, 10, 12, 13, 15, 17, 20, 22,
     25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
     80, 90,101,113,127,144,162,182,203,226,
    255,255,
    255,255,255,255,255,255,255,255,255,255,255,255,255,
    255,255,255,255,255,255,255,255,255,255,255,255,255,
    255,255,255,255,255,255,255,255,255,255,255,255,255,
    255,255,255,255,255,255,255,255,255,255,255,255,255,
 };
 static const uint8_t beta_table[52*3] = {
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
      0,  0,  0,  0,  0,  0,  2,  2,  2,  3,
      3,  3,  3,  4,  4,  4,  6,  6,  7,  7,
      8,  8,  9,  9, 10, 10, 11, 11, 12, 12,
     13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
     18, 18,
     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
 };
 static const uint8_t tc0_table[52*3][4] = {
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 },
     {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
     {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
     {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
     {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
     {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
     {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
 };
 

 /* intra: 0 if this loopfilter call is guaranteed to be inter (bS < 4), 1 if it might be intra (bS == 4) */

 static av_always_inline void filter_mb_edgev(uint8_t *pix, int stride,
                                              const int16_t bS[4],
                                              unsigned int qp, int a, int b,
                                              H264Context *h, int intra)
 {

     const unsigned int index_a = qp + a;

     const int alpha = alpha_table[index_a];

     const int beta  = beta_table[qp + b];

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

     if( bS[0] < 4 || !intra ) {

         int8_t tc[4];

         tc[0] = tc0_table[index_a][bS[0]];
         tc[1] = tc0_table[index_a][bS[1]];
         tc[2] = tc0_table[index_a][bS[2]];
         tc[3] = tc0_table[index_a][bS[3]];

         h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);

     } else {

         h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);

     }
 }

 
 static av_always_inline void filter_mb_edgecv(uint8_t *pix, int stride,
                                               const int16_t bS[4],
                                               unsigned int qp, int a, int b,
                                               H264Context *h, int intra)
 {

     const unsigned int index_a = qp + a;

     const int alpha = alpha_table[index_a];

     const int beta  = beta_table[qp + b];

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

     if( bS[0] < 4 || !intra ) {

         int8_t tc[4];

         tc[0] = tc0_table[index_a][bS[0]]+1;
         tc[1] = tc0_table[index_a][bS[1]]+1;
         tc[2] = tc0_table[index_a][bS[2]]+1;
         tc[3] = tc0_table[index_a][bS[3]]+1;

         h->h264dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);

     } else {

         h->h264dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);

     }
 }
 

 static av_always_inline void filter_mb_mbaff_edgev(H264Context *h, uint8_t *pix,
                                                    int stride,
                                                    const int16_t bS[7], int bsi,
                                                    int qp, int a, int b,
                                                    int intra)
 {

     const unsigned int index_a = qp + a;
     const int alpha = alpha_table[index_a];
     const int beta  = beta_table[qp + b];

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

     if( bS[0] < 4 || !intra ) {

         int8_t tc[4];
         tc[0] = tc0_table[index_a][bS[0*bsi]];
         tc[1] = tc0_table[index_a][bS[1*bsi]];
         tc[2] = tc0_table[index_a][bS[2*bsi]];
         tc[3] = tc0_table[index_a][bS[3*bsi]];
         h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
     } else {
         h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);

     }
 }

 
 static av_always_inline void filter_mb_mbaff_edgecv(H264Context *h,
                                                     uint8_t *pix, int stride,
                                                     const int16_t bS[7],
                                                     int bsi, int qp, int a,
                                                     int b, int intra)
 {

     const unsigned int index_a = qp + a;
     const int alpha = alpha_table[index_a];
     const int beta  = beta_table[qp + b];

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

     if( bS[0] < 4 || !intra ) {

         int8_t tc[4];
         tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;
         tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;
         tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;
         tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;
         h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);
     } else {
         h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);

     }
 }
 

 static av_always_inline void filter_mb_edgeh(uint8_t *pix, int stride,
                                              const int16_t bS[4],
                                              unsigned int qp, int a, int b,
                                              H264Context *h, int intra)
 {

     const unsigned int index_a = qp + a;

     const int alpha = alpha_table[index_a];

     const int beta  = beta_table[qp + b];

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

     if( bS[0] < 4 || !intra ) {

         int8_t tc[4];

         tc[0] = tc0_table[index_a][bS[0]];
         tc[1] = tc0_table[index_a][bS[1]];
         tc[2] = tc0_table[index_a][bS[2]];
         tc[3] = tc0_table[index_a][bS[3]];

         h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);

     } else {

         h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);

     }
 }
 

 static av_always_inline void filter_mb_edgech(uint8_t *pix, int stride,
                                               const int16_t bS[4],
                                               unsigned int qp, int a, int b,
                                               H264Context *h, int intra)
 {

     const unsigned int index_a = qp + a;

     const int alpha = alpha_table[index_a];

     const int beta  = beta_table[qp + b];

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

     if( bS[0] < 4 || !intra ) {

         int8_t tc[4];

         tc[0] = tc0_table[index_a][bS[0]]+1;
         tc[1] = tc0_table[index_a][bS[1]]+1;
         tc[2] = tc0_table[index_a][bS[2]]+1;
         tc[3] = tc0_table[index_a][bS[3]]+1;

         h->h264dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);

     } else {

         h->h264dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);

     }
 }
 

 static av_always_inline void h264_filter_mb_fast_internal(H264Context *h,
                                                           int mb_x, int mb_y,
                                                           uint8_t *img_y,
                                                           uint8_t *img_cb,
                                                           uint8_t *img_cr,
                                                           unsigned int linesize,
                                                           unsigned int uvlinesize,
                                                           int pixel_shift)
 {

     int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));

     int chroma444 = CHROMA444(h);

     int chroma422 = CHROMA422(h);

     int mb_xy = h->mb_xy;
     int left_type= h->left_type[LTOP];
     int top_type= h->top_type;

     int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);

     int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
     int b = 52 + h->slice_beta_offset - qp_bd_offset;

     int mb_type = h->cur_pic.mb_type[mb_xy];
     int qp      = h->cur_pic.qscale_table[mb_xy];
     int qp0     = h->cur_pic.qscale_table[mb_xy - 1];
     int qp1     = h->cur_pic.qscale_table[h->top_mb_xy];

     int qpc = get_chroma_qp( h, 0, qp );
     int qpc0 = get_chroma_qp( h, 0, qp0 );
     int qpc1 = get_chroma_qp( h, 0, qp1 );

     qp0 = (qp + qp0 + 1) >> 1;
     qp1 = (qp + qp1 + 1) >> 1;
     qpc0 = (qpc + qpc0 + 1) >> 1;
     qpc1 = (qpc + qpc1 + 1) >> 1;
 
     if( IS_INTRA(mb_type) ) {

         static const int16_t bS4[4] = {4,4,4,4};
         static const int16_t bS3[4] = {3,3,3,3};

         const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4;

         if(left_type)

             filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);

         if( IS_8x8DCT(mb_type) ) {

             filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);

             if(top_type){

                 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);

             }

             filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);

         } else {

             filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
             filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
             filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);

             if(top_type){

                 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);

             }

             filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0);
             filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
             filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0);

         }

         if(chroma){

             if(chroma444){
                 if(left_type){

                     filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
                     filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);

                 }
                 if( IS_8x8DCT(mb_type) ) {

                     filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);

                     if(top_type){

                         filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
                         filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );

                     }

                     filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);

                 } else {

                     filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);

                     if(top_type){

                         filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
                         filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);

                     }

                     filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
                     filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);

                 }

             }else if(chroma422){
                 if(left_type){
                     filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
                     filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
                 }
                 filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
                 if(top_type){
                     filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
                     filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
                 }
                 filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);

             }else{
                 if(left_type){

                     filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
                     filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);

                 }

                 filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);

                 if(top_type){

                     filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
                     filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);

                 }

                 filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
                 filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);

             }

         }

         return;
     } else {

         LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);

         int edges;

         if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 && !chroma444 ) {

             edges = 4;

             AV_WN64A(bS[0][0], 0x0002000200020002ULL);
             AV_WN64A(bS[0][2], 0x0002000200020002ULL);
             AV_WN64A(bS[1][0], 0x0002000200020002ULL);
             AV_WN64A(bS[1][2], 0x0002000200020002ULL);

         } else {

             int mask_edge1 = (3*(((5*mb_type)>>5)&1)) | (mb_type>>4); //(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : (mb_type & MB_TYPE_16x8) ? 1 : 0;

             int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[LTOP] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0;

             int step =  1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
             edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;

             h->h264dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,

                                               h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h));

         }

         if( IS_INTRA(left_type) )

             AV_WN64A(bS[0][0], 0x0004000400040004ULL);

         if( IS_INTRA(top_type) )

             AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL);

 #define FILTER(hv,dir,edge,intra)\

         if(AV_RN64A(bS[dir][edge])) {                                   \

             filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\

             if(chroma){\
                 if(chroma444){\

                     filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
                     filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\

                 } else if(!(edge&1)) {\

                     filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
                     filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\

                 }\

             }\
         }

         if(left_type)

             FILTER(v,0,0,1);

         if( edges == 1 ) {

             if(top_type)

                 FILTER(h,1,0,1);

         } else if( IS_8x8DCT(mb_type) ) {

             FILTER(v,0,2,0);

             if(top_type)

                 FILTER(h,1,0,1);
             FILTER(h,1,2,0);

         } else {

             FILTER(v,0,1,0);
             FILTER(v,0,2,0);
             FILTER(v,0,3,0);

             if(top_type)

                 FILTER(h,1,0,1);
             FILTER(h,1,1,0);
             FILTER(h,1,2,0);
             FILTER(h,1,3,0);

         }
 #undef FILTER
     }
 }
 

 void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {

     av_assert2(!FRAME_MBAFF(h));

     if(!h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
         ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
         return;
     }
 
 #if CONFIG_SMALL
     h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, h->pixel_shift);
 #else
     if(h->pixel_shift){
         h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 1);
     }else{
         h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 0);
     }
 #endif
 }
 

 static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){

     int v;

     v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];
     if(!v && h->ref_cache[0][b_idx]!=-1)
         v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
            FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;

 
     if(h->list_count==2){
         if(!v)

             v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
                 h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
                 FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
 
         if(v){
             if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
                h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
                 return 1;
             return
                 h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
                 FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |
                 h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
                 FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
         }

     }

 
     return v;
 }

 static av_always_inline void filter_mb_dir(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int mb_xy, int mb_type, int mvy_limit, int first_vertical_edge_done, int a, int b, int chroma, int dir) {

     int edge;

     int chroma_qp_avg[2];

     int chroma444 = CHROMA444(h);

     int chroma422 = CHROMA422(h);

     const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;

     const int mbm_type = dir == 0 ? h->left_type[LTOP] : h->top_type;

 
     // how often to recheck mv-based bS when iterating between edges

     static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
                                               {0,3,1,1,3,3,3,3}};
     const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];

     const int edges = mask_edge== 3 && !(h->cbp&15) ? 1 : 4;
 

     // how often to recheck mv-based bS when iterating along each edge
     const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
 

     if(mbm_type && !first_vertical_edge_done){

         if (FRAME_MBAFF(h) && (dir == 1) && ((mb_y&1) == 0)

             && IS_INTERLACED(mbm_type&~mb_type)
             ) {
             // This is a special case in the norm where the filtering must
             // be done twice (one each of the field) even if we are in a
             // frame macroblock.
             //
             unsigned int tmp_linesize   = 2 *   linesize;
             unsigned int tmp_uvlinesize = 2 * uvlinesize;

             int mbn_xy = mb_xy - 2 * h->mb_stride;

             int j;
 

             for(j=0; j<2; j++, mbn_xy += h->mb_stride){

                 DECLARE_ALIGNED(8, int16_t, bS)[4];

                 int qp;

                 if (IS_INTRA(mb_type | h->cur_pic.mb_type[mbn_xy])) {

                     AV_WN64A(bS, 0x0003000300030003ULL);

                 } else {

                     if (!CABAC(h) && IS_8x8DCT(h->cur_pic.mb_type[mbn_xy])) {

                         bS[0]= 1+((h->cbp_table[mbn_xy] & 0x4000)||h->non_zero_count_cache[scan8[0]+0]);
                         bS[1]= 1+((h->cbp_table[mbn_xy] & 0x4000)||h->non_zero_count_cache[scan8[0]+1]);
                         bS[2]= 1+((h->cbp_table[mbn_xy] & 0x8000)||h->non_zero_count_cache[scan8[0]+2]);
                         bS[3]= 1+((h->cbp_table[mbn_xy] & 0x8000)||h->non_zero_count_cache[scan8[0]+3]);

                     }else{

                     const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 3*4;

                     int i;
                     for( i = 0; i < 4; i++ ) {
                         bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
                     }

                     }

                 }

                 // Do not use s->qscale as luma quantizer because it has not the same
                 // value in IPCM macroblocks.

                 qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbn_xy] + 1) >> 1;

                 tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
                 { int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }

                 filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, a, b, h, 0 );

                 chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
                 chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;

                 if (chroma) {
                     if (chroma444) {

                         filter_mb_edgeh (&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
                         filter_mb_edgeh (&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);

                     } else {

                         filter_mb_edgech(&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
                         filter_mb_edgech(&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);

                     }

                 }

             }

         }else{

             DECLARE_ALIGNED(8, int16_t, bS)[4];

             int qp;

             if( IS_INTRA(mb_type|mbm_type)) {

                 AV_WN64A(bS, 0x0003000300030003ULL);

                 if (   (!IS_INTERLACED(mb_type|mbm_type))

                     || ((FRAME_MBAFF(h) || (h->picture_structure != PICT_FRAME)) && (dir == 0))

                 )

                     AV_WN64A(bS, 0x0004000400040004ULL);

             } else {

                 int i;

                 int mv_done;

                 if( dir && FRAME_MBAFF(h) && IS_INTERLACED(mb_type ^ mbm_type)) {

                     AV_WN64A(bS, 0x0001000100010001ULL);

                     mv_done = 1;

                 }

                 else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
                     int b_idx= 8 + 4;
                     int bn_idx= b_idx - (dir ? 8:1);

                     bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, 8 + 4, bn_idx, mvy_limit);

                     mv_done = 1;
                 }
                 else
                     mv_done = 0;
 
                 for( i = 0; i < 4; i++ ) {
                     int x = dir == 0 ? 0 : i;
                     int y = dir == 0 ? i    : 0;
                     int b_idx= 8 + 4 + x + 8*y;
                     int bn_idx= b_idx - (dir ? 8:1);
 
                     if( h->non_zero_count_cache[b_idx] |
                         h->non_zero_count_cache[bn_idx] ) {
                         bS[i] = 2;
                     }
                     else if(!mv_done)
                     {

                         bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);

                     }
                 }
             }
 

             /* Filter edge */
             // Do not use s->qscale as luma quantizer because it has not the same
             // value in IPCM macroblocks.
             if(bS[0]+bS[1]+bS[2]+bS[3]){

                 qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbm_xy] + 1) >> 1;

                 //tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], h->cur_pic.qscale_table[mbn_xy]);

                 tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);

                 //{ int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }

                 chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
                 chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;

                 if( dir == 0 ) {

                     filter_mb_edgev( &img_y[0], linesize, bS, qp, a, b, h, 1 );

                     if (chroma) {

                         if (chroma444) {

                             filter_mb_edgev ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
                             filter_mb_edgev ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);

                         } else {

                             filter_mb_edgecv( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
                             filter_mb_edgecv( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);

                         }

                     }
                 } else {

                     filter_mb_edgeh( &img_y[0], linesize, bS, qp, a, b, h, 1 );

                     if (chroma) {

                         if (chroma444) {

                             filter_mb_edgeh ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
                             filter_mb_edgeh ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);

                         } else {

                             filter_mb_edgech( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
                             filter_mb_edgech( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);

                         }

                     }
                 }

             }
         }

     }
 

     /* Calculate bS */
     for( edge = 1; edge < edges; edge++ ) {

         DECLARE_ALIGNED(8, int16_t, bS)[4];

         int qp;

         const int deblock_edge = !IS_8x8DCT(mb_type & (edge<<24)); // (edge&1) && IS_8x8DCT(mb_type)

         if (!deblock_edge && (!chroma422 || dir == 0))

             continue;
 

         if( IS_INTRA(mb_type)) {

             AV_WN64A(bS, 0x0003000300030003ULL);

         } else {

             int i;

             int mv_done;
 
             if( edge & mask_edge ) {

                 AV_ZERO64(bS);

                 mv_done = 1;
             }

             else if( mask_par0 ) {

                 int b_idx= 8 + 4 + edge * (dir ? 8:1);
                 int bn_idx= b_idx - (dir ? 8:1);
 

                 bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, b_idx, bn_idx, mvy_limit);

                 mv_done = 1;
             }
             else
                 mv_done = 0;
 
             for( i = 0; i < 4; i++ ) {
                 int x = dir == 0 ? edge : i;
                 int y = dir == 0 ? i    : edge;
                 int b_idx= 8 + 4 + x + 8*y;
                 int bn_idx= b_idx - (dir ? 8:1);
 
                 if( h->non_zero_count_cache[b_idx] |
                     h->non_zero_count_cache[bn_idx] ) {
                     bS[i] = 2;
                 }
                 else if(!mv_done)
                 {

                     bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);

                 }
             }
 
             if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
                 continue;
         }
 
         /* Filter edge */
         // Do not use s->qscale as luma quantizer because it has not the same
         // value in IPCM macroblocks.

         qp = h->cur_pic.qscale_table[mb_xy];

         //tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], h->cur_pic.qscale_table[mbn_xy]);

         tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);

         //{ int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }

         if( dir == 0 ) {

             filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, a, b, h, 0 );

             if (chroma) {
                 if (chroma444) {

                     filter_mb_edgev ( &img_cb[4*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
                     filter_mb_edgev ( &img_cr[4*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);

                 } else if( (edge&1) == 0 ) {

                     filter_mb_edgecv( &img_cb[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
                     filter_mb_edgecv( &img_cr[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);

                 }

             }
         } else {

             if (chroma422) {
                 if (deblock_edge)
                     filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
                 if (chroma) {
                     filter_mb_edgech(&img_cb[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
                     filter_mb_edgech(&img_cr[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
                 }
             } else {
                 filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
                 if (chroma) {
                     if (chroma444) {
                         filter_mb_edgeh (&img_cb[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
                         filter_mb_edgeh (&img_cr[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
                     } else if ((edge&1) == 0) {
                         filter_mb_edgech(&img_cb[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
                         filter_mb_edgech(&img_cr[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
                     }

                 }

             }
         }
     }
 }
 
 void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {

     const int mb_xy= mb_x + mb_y*h->mb_stride;

     const int mb_type = h->cur_pic.mb_type[mb_xy];

     const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
     int first_vertical_edge_done = 0;

     int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));

     int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);

     int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
     int b = 52 + h->slice_beta_offset - qp_bd_offset;

     if (FRAME_MBAFF(h)

             // and current and left pair do not have the same interlaced type

             && IS_INTERLACED(mb_type^h->left_type[LTOP])

             // and left mb is in available to us

             && h->left_type[LTOP]) {

         /* First vertical edge is different in MBAFF frames
          * There are 8 different bS to compute and 2 different Qp
          */

         DECLARE_ALIGNED(8, int16_t, bS)[8];

         int qp[2];
         int bqp[2];
         int rqp[2];
         int mb_qp, mbn0_qp, mbn1_qp;
         int i;
         first_vertical_edge_done = 1;
 

         if( IS_INTRA(mb_type) ) {
             AV_WN64A(&bS[0], 0x0004000400040004ULL);
             AV_WN64A(&bS[4], 0x0004000400040004ULL);
         } else {

             static const uint8_t offset[2][2][8]={
                 {

                     {3+4*0, 3+4*0, 3+4*0, 3+4*0, 3+4*1, 3+4*1, 3+4*1, 3+4*1},
                     {3+4*2, 3+4*2, 3+4*2, 3+4*2, 3+4*3, 3+4*3, 3+4*3, 3+4*3},

                 },{

                     {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
                     {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},

                 }
             };

             const uint8_t *off= offset[MB_FIELD(h)][mb_y&1];

             for( i = 0; i < 8; i++ ) {

                 int j= MB_FIELD(h) ? i>>2 : i&1;

                 int mbn_xy = h->left_mb_xy[LEFT(j)];
                 int mbn_type= h->left_type[LEFT(j)];

                 if( IS_INTRA( mbn_type ) )

                     bS[i] = 4;

                 else{
                     bS[i] = 1 + !!(h->non_zero_count_cache[12+8*(i>>1)] |
                          ((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?

                             (h->cbp_table[mbn_xy] & (((MB_FIELD(h) ? (i&2) : (mb_y&1)) ? 8 : 2) << 12))

                                                                        :

                             h->non_zero_count[mbn_xy][ off[i] ]));

                 }

             }
         }
 

         mb_qp   = h->cur_pic.qscale_table[mb_xy];
         mbn0_qp = h->cur_pic.qscale_table[h->left_mb_xy[0]];
         mbn1_qp = h->cur_pic.qscale_table[h->left_mb_xy[1]];

         qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
         bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
                    get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
         rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
                    get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
         qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
         bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
                    get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
         rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
                    get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
 
         /* Filter edge */

         tprintf(h->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPb:%d/%d QPr:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], bqp[0], bqp[1], rqp[0], rqp[1], linesize, uvlinesize);
         { int i; for (i = 0; i < 8; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }

         if (MB_FIELD(h)) {

             filter_mb_mbaff_edgev ( h, img_y                ,   linesize, bS  , 1, qp [0], a, b, 1 );
             filter_mb_mbaff_edgev ( h, img_y  + 8*  linesize,   linesize, bS+4, 1, qp [1], a, b, 1 );

             if (chroma){

                 if (CHROMA444(h)) {

                     filter_mb_mbaff_edgev ( h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1 );
                     filter_mb_mbaff_edgev ( h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
                     filter_mb_mbaff_edgev ( h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1 );
                     filter_mb_mbaff_edgev ( h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );

                 } else if (CHROMA422(h)) {

                     filter_mb_mbaff_edgecv(h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1);
                     filter_mb_mbaff_edgecv(h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1);
                     filter_mb_mbaff_edgecv(h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1);
                     filter_mb_mbaff_edgecv(h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1);

                 }else{

                     filter_mb_mbaff_edgecv( h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1 );
                     filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
                     filter_mb_mbaff_edgecv( h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1 );
                     filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );

                 }

             }

         }else{

             filter_mb_mbaff_edgev ( h, img_y              , 2*  linesize, bS  , 2, qp [0], a, b, 1 );
             filter_mb_mbaff_edgev ( h, img_y  +   linesize, 2*  linesize, bS+1, 2, qp [1], a, b, 1 );

             if (chroma){

                 if (CHROMA444(h)) {

                     filter_mb_mbaff_edgev ( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0], a, b, 1 );
                     filter_mb_mbaff_edgev ( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
                     filter_mb_mbaff_edgev ( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0], a, b, 1 );
                     filter_mb_mbaff_edgev ( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );

                 }else{

                     filter_mb_mbaff_edgecv( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0], a, b, 1 );
                     filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
                     filter_mb_mbaff_edgecv( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0], a, b, 1 );
                     filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );

                 }

             }

         }

     }
 
 #if CONFIG_SMALL

     {
         int dir;
         for (dir = 0; dir < 2; dir++)
             filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize,
                           uvlinesize, mb_xy, mb_type, mvy_limit,
                           dir ? 0 : first_vertical_edge_done, a, b,
                           chroma, dir);
     }

 #else

     filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, a, b, chroma, 0);
     filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0,                        a, b, chroma, 1);

 #endif
 }