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FFmpeg/libavcodec/h264_loopfilter.c

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  1. /*

  2.  * H.26L/H.264/AVC/JVT/14496-10/... loop filter

  3.  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23.  * @file libavcodec/h264_loopfilter.c

  24.  * H.264 / AVC / MPEG4 part10 loop filter.

  25.  * @author Michael Niedermayer <michaelni@gmx.at>

  26.  */

  27. 

  28. #include "internal.h"

  29. #include "dsputil.h"

  30. #include "avcodec.h"

  31. #include "mpegvideo.h"

  32. #include "h264.h"

  33. #include "mathops.h"

  34. #include "rectangle.h"

  35. 

  36. //#undef NDEBUG

  37. #include <assert.h>

  38. 

  39. /* Deblocking filter (p153) */

  40. static const uint8_t alpha_table[52*3] = {

  41.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  42.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  43.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  44.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  45.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  46.      0,  0,  0,  0,  0,  0,  4,  4,  5,  6,

  47.      7,  8,  9, 10, 12, 13, 15, 17, 20, 22,

  48.     25, 28, 32, 36, 40, 45, 50, 56, 63, 71,

  49.     80, 90,101,113,127,144,162,182,203,226,

  50.    255,255,

  51.    255,255,255,255,255,255,255,255,255,255,255,255,255,

  52.    255,255,255,255,255,255,255,255,255,255,255,255,255,

  53.    255,255,255,255,255,255,255,255,255,255,255,255,255,

  54.    255,255,255,255,255,255,255,255,255,255,255,255,255,

  55. };

  56. static const uint8_t beta_table[52*3] = {

  57.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  58.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  59.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  60.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  61.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  62.      0,  0,  0,  0,  0,  0,  2,  2,  2,  3,

  63.      3,  3,  3,  4,  4,  4,  6,  6,  7,  7,

  64.      8,  8,  9,  9, 10, 10, 11, 11, 12, 12,

  65.     13, 13, 14, 14, 15, 15, 16, 16, 17, 17,

  66.     18, 18,

  67.     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,

  68.     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,

  69.     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,

  70.     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,

  71. };

  72. static const uint8_t tc0_table[52*3][4] = {

  73.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  74.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  75.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  76.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  77.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  78.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  79.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  80.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  81.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  82.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  83.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },

  84.     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 },

  85.     {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },

  86.     {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },

  87.     {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },

  88.     {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },

  89.     {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },

  90.     {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },

  91.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  92.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  93.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  94.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  95.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  96.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  97.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  98.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  99.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  100. };

  101. 

  102. static void av_always_inline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {

  103.     const unsigned int index_a = qp + h->slice_alpha_c0_offset;

  104.     const int alpha = alpha_table[index_a];

  105.     const int beta  = beta_table[qp + h->slice_beta_offset];

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

  107. 

  108.     if( bS[0] < 4 ) {

  109.         int8_t tc[4];

  110.         tc[0] = tc0_table[index_a][bS[0]];

  111.         tc[1] = tc0_table[index_a][bS[1]];

  112.         tc[2] = tc0_table[index_a][bS[2]];

  113.         tc[3] = tc0_table[index_a][bS[3]];

  114.         h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);

  115.     } else {

  116.         h->s.dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);

  117.     }

  118. }

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

  120.     const unsigned int index_a = qp + h->slice_alpha_c0_offset;

  121.     const int alpha = alpha_table[index_a];

  122.     const int beta  = beta_table[qp + h->slice_beta_offset];

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

  124. 

  125.     if( bS[0] < 4 ) {

  126.         int8_t tc[4];

  127.         tc[0] = tc0_table[index_a][bS[0]]+1;

  128.         tc[1] = tc0_table[index_a][bS[1]]+1;

  129.         tc[2] = tc0_table[index_a][bS[2]]+1;

  130.         tc[3] = tc0_table[index_a][bS[3]]+1;

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

  132.     } else {

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

  134.     }

  135. }

  136. 

  137. static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {

  138.     int i;

  139.     int index_a = qp + h->slice_alpha_c0_offset;

  140.     int alpha = alpha_table[index_a];

  141.     int beta  = beta_table[qp + h->slice_beta_offset];

  142.     for( i = 0; i < 8; i++, pix += stride) {

  143.         const int bS_index = (i >> 1) * bsi;

  144. 

  145.         if( bS[bS_index] == 0 ) {

  146.             continue;

  147.         }

  148. 

  149.         if( bS[bS_index] < 4 ) {

  150.             const int tc0 = tc0_table[index_a][bS[bS_index]];

  151.             const int p0 = pix[-1];

  152.             const int p1 = pix[-2];

  153.             const int p2 = pix[-3];

  154.             const int q0 = pix[0];

  155.             const int q1 = pix[1];

  156.             const int q2 = pix[2];

  157. 

  158.             if( FFABS( p0 - q0 ) < alpha &&

  159.                 FFABS( p1 - p0 ) < beta &&

  160.                 FFABS( q1 - q0 ) < beta ) {

  161.                 int tc = tc0;

  162.                 int i_delta;

  163. 

  164.                 if( FFABS( p2 - p0 ) < beta ) {

  165.                     if(tc0)

  166.                     pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );

  167.                     tc++;

  168.                 }

  169.                 if( FFABS( q2 - q0 ) < beta ) {

  170.                     if(tc0)

  171.                     pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );

  172.                     tc++;

  173.                 }

  174. 

  175.                 i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );

  176.                 pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */

  177.                 pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */

  178.                 tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);

  179.             }

  180.         }else{

  181.             const int p0 = pix[-1];

  182.             const int p1 = pix[-2];

  183.             const int p2 = pix[-3];

  184. 

  185.             const int q0 = pix[0];

  186.             const int q1 = pix[1];

  187.             const int q2 = pix[2];

  188. 

  189.             if( FFABS( p0 - q0 ) < alpha &&

  190.                 FFABS( p1 - p0 ) < beta &&

  191.                 FFABS( q1 - q0 ) < beta ) {

  192. 

  193.                 if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){

  194.                     if( FFABS( p2 - p0 ) < beta)

  195.                     {

  196.                         const int p3 = pix[-4];

  197.                         /* p0', p1', p2' */

  198.                         pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;

  199.                         pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;

  200.                         pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;

  201.                     } else {

  202.                         /* p0' */

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

  204.                     }

  205.                     if( FFABS( q2 - q0 ) < beta)

  206.                     {

  207.                         const int q3 = pix[3];

  208.                         /* q0', q1', q2' */

  209.                         pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;

  210.                         pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;

  211.                         pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;

  212.                     } else {

  213.                         /* q0' */

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

  215.                     }

  216.                 }else{

  217.                     /* p0', q0' */

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

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

  220.                 }

  221.                 tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);

  222.             }

  223.         }

  224.     }

  225. }

  226. static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {

  227.     int i;

  228.     int index_a = qp + h->slice_alpha_c0_offset;

  229.     int alpha = alpha_table[index_a];

  230.     int beta  = beta_table[qp + h->slice_beta_offset];

  231.     for( i = 0; i < 4; i++, pix += stride) {

  232.         const int bS_index = i*bsi;

  233. 

  234.         if( bS[bS_index] == 0 ) {

  235.             continue;

  236.         }

  237. 

  238.         if( bS[bS_index] < 4 ) {

  239.             const int tc = tc0_table[index_a][bS[bS_index]] + 1;

  240.             const int p0 = pix[-1];

  241.             const int p1 = pix[-2];

  242.             const int q0 = pix[0];

  243.             const int q1 = pix[1];

  244. 

  245.             if( FFABS( p0 - q0 ) < alpha &&

  246.                 FFABS( p1 - p0 ) < beta &&

  247.                 FFABS( q1 - q0 ) < beta ) {

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

  249. 

  250.                 pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */

  251.                 pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */

  252.                 tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);

  253.             }

  254.         }else{

  255.             const int p0 = pix[-1];

  256.             const int p1 = pix[-2];

  257.             const int q0 = pix[0];

  258.             const int q1 = pix[1];

  259. 

  260.             if( FFABS( p0 - q0 ) < alpha &&

  261.                 FFABS( p1 - p0 ) < beta &&

  262.                 FFABS( q1 - q0 ) < beta ) {

  263. 

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

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

  266.                 tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);

  267.             }

  268.         }

  269.     }

  270. }

  271. 

  272. static void av_always_inline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {

  273.     const unsigned int index_a = qp + h->slice_alpha_c0_offset;

  274.     const int alpha = alpha_table[index_a];

  275.     const int beta  = beta_table[qp + h->slice_beta_offset];

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

  277. 

  278.     if( bS[0] < 4 ) {

  279.         int8_t tc[4];

  280.         tc[0] = tc0_table[index_a][bS[0]];

  281.         tc[1] = tc0_table[index_a][bS[1]];

  282.         tc[2] = tc0_table[index_a][bS[2]];

  283.         tc[3] = tc0_table[index_a][bS[3]];

  284.         h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);

  285.     } else {

  286.         h->s.dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);

  287.     }

  288. }

  289. 

  290. static void av_always_inline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {

  291.     const unsigned int index_a = qp + h->slice_alpha_c0_offset;

  292.     const int alpha = alpha_table[index_a];

  293.     const int beta  = beta_table[qp + h->slice_beta_offset];

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

  295. 

  296.     if( bS[0] < 4 ) {

  297.         int8_t tc[4];

  298.         tc[0] = tc0_table[index_a][bS[0]]+1;

  299.         tc[1] = tc0_table[index_a][bS[1]]+1;

  300.         tc[2] = tc0_table[index_a][bS[2]]+1;

  301.         tc[3] = tc0_table[index_a][bS[3]]+1;

  302.         h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);

  303.     } else {

  304.         h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);

  305.     }

  306. }

  307. 

  308. 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) {

  309.     MpegEncContext * const s = &h->s;

  310.     int mb_xy;

  311.     int mb_type, left_type;

  312.     int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;

  313. 

  314.     mb_xy = h->mb_xy;

  315. 

  316.     if(!h->top_type || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {

  317.         ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);

  318.         return;

  319.     }

  320.     assert(!FRAME_MBAFF);

  321.     left_type= h->left_type[0];

  322. 

  323.     mb_type = s->current_picture.mb_type[mb_xy];

  324.     qp = s->current_picture.qscale_table[mb_xy];

  325.     qp0 = s->current_picture.qscale_table[mb_xy-1];

  326.     qp1 = s->current_picture.qscale_table[h->top_mb_xy];

  327.     qpc = get_chroma_qp( h, 0, qp );

  328.     qpc0 = get_chroma_qp( h, 0, qp0 );

  329.     qpc1 = get_chroma_qp( h, 0, qp1 );

  330.     qp0 = (qp + qp0 + 1) >> 1;

  331.     qp1 = (qp + qp1 + 1) >> 1;

  332.     qpc0 = (qpc + qpc0 + 1) >> 1;

  333.     qpc1 = (qpc + qpc1 + 1) >> 1;

  334.     qp_thresh = 15+52 - h->slice_alpha_c0_offset;

  335.     if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&

  336.        qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)

  337.         return;

  338. 

  339.     if( IS_INTRA(mb_type) ) {

  340.         int16_t bS4[4] = {4,4,4,4};

  341.         int16_t bS3[4] = {3,3,3,3};

  342.         int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;

  343.         if(left_type)

  344.             filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);

  345.         if( IS_8x8DCT(mb_type) ) {

  346.             filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);

  347.             filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);

  348.             filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);

  349.         } else {

  350.             filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);

  351.             filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);

  352.             filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);

  353.             filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);

  354.             filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, h);

  355.             filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);

  356.             filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, h);

  357.         }

  358.         if(left_type){

  359.             filter_mb_edgecv( &img_cb[2*0], uvlinesize, bS4, qpc0, h);

  360.             filter_mb_edgecv( &img_cr[2*0], uvlinesize, bS4, qpc0, h);

  361.         }

  362.         filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, h);

  363.         filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, h);

  364.         filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);

  365.         filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, h);

  366.         filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);

  367.         filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h);

  368.         return;

  369.     } else {

  370.         DECLARE_ALIGNED_8(int16_t, bS)[2][4][4];

  371.         uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;

  372.         int edges;

  373.         if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {

  374.             edges = 4;

  375.             bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;

  376.         } else {

  377.             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;

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

  379.             int step =  1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;

  380.             edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;

  381.             s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,

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

  383.         }

  384.         if( IS_INTRA(left_type) )

  385.             bSv[0][0] = 0x0004000400040004ULL;

  386.         if( IS_INTRA(h->top_type) )

  387.             bSv[1][0] = FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL;

  388. 

  389. #define FILTER(hv,dir,edge)\

  390.         if(bSv[dir][edge]) {\

  391.             filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, h );\

  392.             if(!(edge&1)) {\

  393.                 filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\

  394.                 filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\

  395.             }\

  396.         }

  397.         if(left_type)

  398.             FILTER(v,0,0);

  399.         if( edges == 1 ) {

  400.             FILTER(h,1,0);

  401.         } else if( IS_8x8DCT(mb_type) ) {

  402.             FILTER(v,0,2);

  403.             FILTER(h,1,0);

  404.             FILTER(h,1,2);

  405.         } else {

  406.             FILTER(v,0,1);

  407.             FILTER(v,0,2);

  408.             FILTER(v,0,3);

  409.             FILTER(h,1,0);

  410.             FILTER(h,1,1);

  411.             FILTER(h,1,2);

  412.             FILTER(h,1,3);

  413.         }

  414. #undef FILTER

  415.     }

  416. }

  417. 

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

  419.     int v;

  420. 

  421.     v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];

  422.     if(!v && h->ref_cache[0][b_idx]!=-1)

  423.         v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |

  424.            FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;

  425. 

  426.     if(h->list_count==2){

  427.         if(!v)

  428.             v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |

  429.                 h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |

  430.                 FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;

  431. 

  432.         if(v){

  433.             if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |

  434.                h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])

  435.                 return 1;

  436.             return

  437.                 h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |

  438.                 FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |

  439.                 h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |

  440.                 FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;

  441.         }

  442.     }

  443. 

  444.     return v;

  445. }

  446. 

  447. 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 dir) {

  448.     MpegEncContext * const s = &h->s;

  449.     int edge;

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

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

  452. 

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

  454.     static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},

  455.                                               {0,3,1,1,3,3,3,3}};

  456.     const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];

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

  458. 

  459.     // how often to recheck mv-based bS when iterating along each edge

  460.     const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));

  461. 

  462.     if(mbm_type && !first_vertical_edge_done){

  463. 

  464.         if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0)

  465.             && IS_INTERLACED(mbm_type&~mb_type)

  466.             ) {

  467.             // This is a special case in the norm where the filtering must

  468.             // be done twice (one each of the field) even if we are in a

  469.             // frame macroblock.

  470.             //

  471.             unsigned int tmp_linesize   = 2 *   linesize;

  472.             unsigned int tmp_uvlinesize = 2 * uvlinesize;

  473.             int mbn_xy = mb_xy - 2 * s->mb_stride;

  474.             int j;

  475. 

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

  477.                 DECLARE_ALIGNED_8(int16_t, bS)[4];

  478.                 int qp;

  479.                 if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {

  480.                     *(uint64_t*)bS= 0x0003000300030003ULL;

  481.                 } else {

  482.                     const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8; //FIXME  8x8dct?

  483.                     int i;

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

  485.                         bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);

  486.                     }

  487.                 }

  488.                 // Do not use s->qscale as luma quantizer because it has not the same

  489.                 // value in IPCM macroblocks.

  490.                 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;

  491.                 tprintf(s->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);

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

  493.                 filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, h );

  494.                 filter_mb_edgech( &img_cb[j*uvlinesize], tmp_uvlinesize, bS,

  495.                                 ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);

  496.                 filter_mb_edgech( &img_cr[j*uvlinesize], tmp_uvlinesize, bS,

  497.                                 ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);

  498.             }

  499.         }else{

  500.             DECLARE_ALIGNED_8(int16_t, bS)[4];

  501.             int qp;

  502. 

  503.             if( IS_INTRA(mb_type|mbm_type)) {

  504.                 *(uint64_t*)bS= 0x0003000300030003ULL;

  505.                 if (   (!IS_INTERLACED(mb_type|mbm_type))

  506.                     || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))

  507.                 )

  508.                     *(uint64_t*)bS= 0x0004000400040004ULL;

  509.             } else {

  510.                 int i, l;

  511.                 int mv_done;

  512. 

  513.                 if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbm_type)) { //FIXME not posible left

  514.                     *(uint64_t*)bS= 0x0001000100010001ULL;

  515.                     mv_done = 1;

  516.                 }

  517.                 else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {

  518.                     int b_idx= 8 + 4;

  519.                     int bn_idx= b_idx - (dir ? 8:1);

  520. 

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

  522.                     mv_done = 1;

  523.                 }

  524.                 else

  525.                     mv_done = 0;

  526. 

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

  528.                     int x = dir == 0 ? 0 : i;

  529.                     int y = dir == 0 ? i    : 0;

  530.                     int b_idx= 8 + 4 + x + 8*y;

  531.                     int bn_idx= b_idx - (dir ? 8:1);

  532. 

  533.                     if( h->non_zero_count_cache[b_idx] |

  534.                         h->non_zero_count_cache[bn_idx] ) {

  535.                         bS[i] = 2;

  536.                     }

  537.                     else if(!mv_done)

  538.                     {

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

  540.                     }

  541.                 }

  542.             }

  543. 

  544.             /* Filter edge */

  545.             // Do not use s->qscale as luma quantizer because it has not the same

  546.             // value in IPCM macroblocks.

  547.             if(bS[0]+bS[1]+bS[2]+bS[3]){

  548.                 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbm_xy] + 1 ) >> 1;

  549.                 //tprintf(s->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], s->current_picture.qscale_table[mbn_xy]);

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

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

  552.                 if( dir == 0 ) {

  553.                     filter_mb_edgev( &img_y[0], linesize, bS, qp, h );

  554.                     {

  555.                         int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;

  556.                         filter_mb_edgecv( &img_cb[0], uvlinesize, bS, qp, h);

  557.                         if(h->pps.chroma_qp_diff)

  558.                             qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;

  559.                         filter_mb_edgecv( &img_cr[0], uvlinesize, bS, qp, h);

  560.                     }

  561.                 } else {

  562.                     filter_mb_edgeh( &img_y[0], linesize, bS, qp, h );

  563.                     {

  564.                         int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;

  565.                         filter_mb_edgech( &img_cb[0], uvlinesize, bS, qp, h);

  566.                         if(h->pps.chroma_qp_diff)

  567.                             qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;

  568.                         filter_mb_edgech( &img_cr[0], uvlinesize, bS, qp, h);

  569.                     }

  570.                 }

  571.             }

  572.         }

  573.     }

  574. 

  575.     /* Calculate bS */

  576.     for( edge = 1; edge < edges; edge++ ) {

  577.         DECLARE_ALIGNED_8(int16_t, bS)[4];

  578.         int qp;

  579. 

  580.         if( IS_8x8DCT(mb_type & (edge<<24)) ) // (edge&1) && IS_8x8DCT(mb_type)

  581.             continue;

  582. 

  583.         if( IS_INTRA(mb_type)) {

  584.             *(uint64_t*)bS= 0x0003000300030003ULL;

  585.         } else {

  586.             int i, l;

  587.             int mv_done;

  588. 

  589.             if( edge & mask_edge ) {

  590.                 *(uint64_t*)bS= 0;

  591.                 mv_done = 1;

  592.             }

  593.             else if( mask_par0 ) {

  594.                 int b_idx= 8 + 4 + edge * (dir ? 8:1);

  595.                 int bn_idx= b_idx - (dir ? 8:1);

  596. 

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

  598.                 mv_done = 1;

  599.             }

  600.             else

  601.                 mv_done = 0;

  602. 

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

  604.                 int x = dir == 0 ? edge : i;

  605.                 int y = dir == 0 ? i    : edge;

  606.                 int b_idx= 8 + 4 + x + 8*y;

  607.                 int bn_idx= b_idx - (dir ? 8:1);

  608. 

  609.                 if( h->non_zero_count_cache[b_idx] |

  610.                     h->non_zero_count_cache[bn_idx] ) {

  611.                     bS[i] = 2;

  612.                 }

  613.                 else if(!mv_done)

  614.                 {

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

  616.                 }

  617.             }

  618. 

  619.             if(bS[0]+bS[1]+bS[2]+bS[3] == 0)

  620.                 continue;

  621.         }

  622. 

  623.         /* Filter edge */

  624.         // Do not use s->qscale as luma quantizer because it has not the same

  625.         // value in IPCM macroblocks.

  626.         qp = s->current_picture.qscale_table[mb_xy];

  627.         //tprintf(s->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], s->current_picture.qscale_table[mbn_xy]);

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

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

  630.         if( dir == 0 ) {

  631.             filter_mb_edgev( &img_y[4*edge], linesize, bS, qp, h );

  632.             if( (edge&1) == 0 ) {

  633.                 filter_mb_edgecv( &img_cb[2*edge], uvlinesize, bS, h->chroma_qp[0], h);

  634.                 filter_mb_edgecv( &img_cr[2*edge], uvlinesize, bS, h->chroma_qp[1], h);

  635.             }

  636.         } else {

  637.             filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, h );

  638.             if( (edge&1) == 0 ) {

  639.                 filter_mb_edgech( &img_cb[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], h);

  640.                 filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], h);

  641.             }

  642.         }

  643.     }

  644. }

  645. 

  646. 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) {

  647.     MpegEncContext * const s = &h->s;

  648.     const int mb_xy= mb_x + mb_y*s->mb_stride;

  649.     const int mb_type = s->current_picture.mb_type[mb_xy];

  650.     const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;

  651.     int first_vertical_edge_done = 0;

  652.     av_unused int dir;

  653.     int list;

  654. 

  655.     if (FRAME_MBAFF

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

  657.             && IS_INTERLACED(mb_type^h->left_type[0])

  658.             // and left mb is in available to us

  659.             && h->left_type[0]) {

  660.         /* First vertical edge is different in MBAFF frames

  661.          * There are 8 different bS to compute and 2 different Qp

  662.          */

  663.         DECLARE_ALIGNED_8(int16_t, bS)[8];

  664.         int qp[2];

  665.         int bqp[2];

  666.         int rqp[2];

  667.         int mb_qp, mbn0_qp, mbn1_qp;

  668.         int i;

  669.         first_vertical_edge_done = 1;

  670. 

  671.         if( IS_INTRA(mb_type) )

  672.             *(uint64_t*)&bS[0]=

  673.             *(uint64_t*)&bS[4]= 0x0004000400040004ULL;

  674.         else {

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

  676.                 {

  677.                     {7+8*0, 7+8*0, 7+8*0, 7+8*0, 7+8*1, 7+8*1, 7+8*1, 7+8*1},

  678.                     {7+8*2, 7+8*2, 7+8*2, 7+8*2, 7+8*3, 7+8*3, 7+8*3, 7+8*3},

  679.                 },{

  680.                     {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},

  681.                     {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},

  682.                 }

  683.             };

  684.             const uint8_t *off= offset[MB_FIELD][mb_y&1];

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

  686.                 int j= MB_FIELD ? i>>2 : i&1;

  687.                 int mbn_xy = h->left_mb_xy[j];

  688.                 int mbn_type= h->left_type[j];

  689. 

  690.                 if( IS_INTRA( mbn_type ) )

  691.                     bS[i] = 4;

  692.                 else{

  693.                     bS[i] = 1 + !!(h->non_zero_count_cache[12+8*(i>>1)] |

  694.                          ((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?

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

  696.                                                                        :

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

  698.                 }

  699.             }

  700.         }

  701. 

  702.         mb_qp = s->current_picture.qscale_table[mb_xy];

  703.         mbn0_qp = s->current_picture.qscale_table[h->left_mb_xy[0]];

  704.         mbn1_qp = s->current_picture.qscale_table[h->left_mb_xy[1]];

  705.         qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;

  706.         bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +

  707.                    get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;

  708.         rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +

  709.                    get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;

  710.         qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;

  711.         bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +

  712.                    get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;

  713.         rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +

  714.                    get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;

  715. 

  716.         /* Filter edge */

  717.         tprintf(s->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);

  718.         { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }

  719.         if(MB_FIELD){

  720.             filter_mb_mbaff_edgev ( h, img_y                ,   linesize, bS  , 1, qp [0] );

  721.             filter_mb_mbaff_edgev ( h, img_y  + 8*  linesize,   linesize, bS+4, 1, qp [1] );

  722.             filter_mb_mbaff_edgecv( h, img_cb,                uvlinesize, bS  , 1, bqp[0] );

  723.             filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1] );

  724.             filter_mb_mbaff_edgecv( h, img_cr,                uvlinesize, bS  , 1, rqp[0] );

  725.             filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1] );

  726.         }else{

  727.             filter_mb_mbaff_edgev ( h, img_y              , 2*  linesize, bS  , 2, qp [0] );

  728.             filter_mb_mbaff_edgev ( h, img_y  +   linesize, 2*  linesize, bS+1, 2, qp [1] );

  729.             filter_mb_mbaff_edgecv( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0] );

  730.             filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1] );

  731.             filter_mb_mbaff_edgecv( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0] );

  732.             filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1] );

  733.         }

  734.     }

  735. 

  736. #if CONFIG_SMALL

  737.     for( dir = 0; dir < 2; dir++ )

  738.         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, dir);

  739. #else

  740.     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, 0);

  741.     filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, 1);

  742. #endif

  743. }