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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 Libav.

  6.  *

  7.  * Libav 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.  * Libav 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 Libav; 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

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

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

  26.  */

  27. 

  28. #include "libavutil/intreadwrite.h"

  29. #include "internal.h"

  30. #include "dsputil.h"

  31. #include "avcodec.h"

  32. #include "mpegvideo.h"

  33. #include "h264.h"

  34. #include "mathops.h"

  35. #include "rectangle.h"

  36. 

  37. //#undef NDEBUG

  38. #include <assert.h>

  39. 

  40. /* Deblocking filter (p153) */

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

  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,  0,  0,  0,

  46.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  47.      0,  0,  0,  0,  0,  0,  4,  4,  5,  6,

  48.      7,  8,  9, 10, 12, 13, 15, 17, 20, 22,

  49.     25, 28, 32, 36, 40, 45, 50, 56, 63, 71,

  50.     80, 90,101,113,127,144,162,182,203,226,

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

  56. };

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

  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,  0,  0,  0,

  62.      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,

  63.      0,  0,  0,  0,  0,  0,  2,  2,  2,  3,

  64.      3,  3,  3,  4,  4,  4,  6,  6,  7,  7,

  65.      8,  8,  9,  9, 10, 10, 11, 11, 12, 12,

  66.     13, 13, 14, 14, 15, 15, 16, 16, 17, 17,

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

  72. };

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

  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 }, {-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 },

  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, 0 },

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

  86.     {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },

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

  88.     {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },

  89.     {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },

  90.     {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },

  91.     {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-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 }, {-1,13,17,25 }, {-1,13,17,25 },

  100.     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },

  101. };

  102. 

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

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

  105.     const unsigned int index_a = qp + a;

  106.     const int alpha = alpha_table[index_a];

  107.     const int beta  = beta_table[qp + b];

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

  109. 

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

  111.         int8_t tc[4];

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

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

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

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

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

  117.     } else {

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

  119.     }

  120. }

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

  122.     const unsigned int index_a = qp + a;

  123.     const int alpha = alpha_table[index_a];

  124.     const int beta  = beta_table[qp + b];

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

  126. 

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

  128.         int8_t tc[4];

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

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

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

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

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

  134.     } else {

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

  136.     }

  137. }

  138. 

  139. static void av_always_inline 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 ) {

  140.     const unsigned int index_a = qp + a;

  141.     const int alpha = alpha_table[index_a];

  142.     const int beta  = beta_table[qp + b];

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

  144. 

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

  146.         int8_t tc[4];

  147.         tc[0] = tc0_table[index_a][bS[0*bsi]];

  148.         tc[1] = tc0_table[index_a][bS[1*bsi]];

  149.         tc[2] = tc0_table[index_a][bS[2*bsi]];

  150.         tc[3] = tc0_table[index_a][bS[3*bsi]];

  151.         h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);

  152.     } else {

  153.         h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);

  154.     }

  155. }

  156. static void av_always_inline 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 ) {

  157.     const unsigned int index_a = qp + a;

  158.     const int alpha = alpha_table[index_a];

  159.     const int beta  = beta_table[qp + b];

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

  161. 

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

  163.         int8_t tc[4];

  164.         tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;

  165.         tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;

  166.         tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;

  167.         tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;

  168.         h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);

  169.     } else {

  170.         h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);

  171.     }

  172. }

  173. 

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

  175.     const unsigned int index_a = qp + a;

  176.     const int alpha = alpha_table[index_a];

  177.     const int beta  = beta_table[qp + b];

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

  179. 

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

  181.         int8_t tc[4];

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

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

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

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

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

  187.     } else {

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

  189.     }

  190. }

  191. 

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

  193.     const unsigned int index_a = qp + a;

  194.     const int alpha = alpha_table[index_a];

  195.     const int beta  = beta_table[qp + b];

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

  197. 

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

  199.         int8_t tc[4];

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

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

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

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

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

  205.     } else {

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

  207.     }

  208. }

  209. 

  210. static void av_always_inline 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,

  211.                                                            unsigned int linesize, unsigned int uvlinesize, int pixel_shift) {

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

  213.     int chroma = !(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY));

  214.     int chroma444 = CHROMA444;

  215. 

  216.     int mb_xy = h->mb_xy;

  217.     int left_type= h->left_type[LTOP];

  218.     int top_type= h->top_type;

  219. 

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

  221.     int a = h->slice_alpha_c0_offset - qp_bd_offset;

  222.     int b = h->slice_beta_offset - qp_bd_offset;

  223. 

  224.     int mb_type = s->current_picture.f.mb_type[mb_xy];

  225.     int qp      = s->current_picture.f.qscale_table[mb_xy];

  226.     int qp0     = s->current_picture.f.qscale_table[mb_xy - 1];

  227.     int qp1     = s->current_picture.f.qscale_table[h->top_mb_xy];

  228.     int qpc = get_chroma_qp( h, 0, qp );

  229.     int qpc0 = get_chroma_qp( h, 0, qp0 );

  230.     int qpc1 = get_chroma_qp( h, 0, qp1 );

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

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

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

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

  235. 

  236.     if( IS_INTRA(mb_type) ) {

  237.         static const int16_t bS4[4] = {4,4,4,4};

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

  239.         const int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;

  240.         if(left_type)

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

  242.         if( IS_8x8DCT(mb_type) ) {

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

  244.             if(top_type){

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

  246.             }

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

  248.         } else {

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

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

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

  252.             if(top_type){

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

  254.             }

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

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

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

  258.         }

  259.         if(chroma){

  260.             if(chroma444){

  261.                 if(left_type){

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

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

  264.                 }

  265.                 if( IS_8x8DCT(mb_type) ) {

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

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

  268.                     if(top_type){

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

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

  271.                     }

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

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

  274.                 } else {

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

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

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

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

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

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

  281.                     if(top_type){

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

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

  284.                     }

  285.                     filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);

  286.                     filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);

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

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

  289.                     filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);

  290.                     filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);

  291.                 }

  292.             }else{

  293.                 if(left_type){

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

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

  296.                 }

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

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

  299.                 if(top_type){

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

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

  302.                 }

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

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

  305.             }

  306.         }

  307.         return;

  308.     } else {

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

  310.         int edges;

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

  312.             edges = 4;

  313.             AV_WN64A(bS[0][0], 0x0002000200020002ULL);

  314.             AV_WN64A(bS[0][2], 0x0002000200020002ULL);

  315.             AV_WN64A(bS[1][0], 0x0002000200020002ULL);

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

  317.         } else {

  318.             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;

  319.             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;

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

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

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

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

  324.         }

  325.         if( IS_INTRA(left_type) )

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

  327.         if( IS_INTRA(top_type) )

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

  329. 

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

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

  332.             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 );\

  333.             if(chroma){\

  334.                 if(chroma444){\

  335.                     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 );\

  336.                     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 );\

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

  338.                     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 );\

  339.                     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 );\

  340.                 }\

  341.             }\

  342.         }

  343.         if(left_type)

  344.             FILTER(v,0,0,1);

  345.         if( edges == 1 ) {

  346.             if(top_type)

  347.                 FILTER(h,1,0,1);

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

  349.             FILTER(v,0,2,0);

  350.             if(top_type)

  351.                 FILTER(h,1,0,1);

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

  353.         } else {

  354.             FILTER(v,0,1,0);

  355.             FILTER(v,0,2,0);

  356.             FILTER(v,0,3,0);

  357.             if(top_type)

  358.                 FILTER(h,1,0,1);

  359.             FILTER(h,1,1,0);

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

  361.             FILTER(h,1,3,0);

  362.         }

  363. #undef FILTER

  364.     }

  365. }

  366. 

  367. 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) {

  368.     assert(!FRAME_MBAFF);

  369.     if(!h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {

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

  371.         return;

  372.     }

  373. 

  374. #if CONFIG_SMALL

  375.     h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, h->pixel_shift);

  376. #else

  377.     if(h->pixel_shift){

  378.         h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 1);

  379.     }else{

  380.         h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 0);

  381.     }

  382. #endif

  383. }

  384. 

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

  386.     int v;

  387. 

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

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

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

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

  392. 

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

  394.         if(!v)

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

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

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

  398. 

  399.         if(v){

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

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

  402.                 return 1;

  403.             return

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

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

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

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

  408.         }

  409.     }

  410. 

  411.     return v;

  412. }

  413. 

  414. 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 chroma444, int dir) {

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

  416.     int edge;

  417.     int chroma_qp_avg[2];

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

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

  420. 

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

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

  423.                                               {0,3,1,1,3,3,3,3}};

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

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

  426. 

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

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

  429. 

  430.     if(mbm_type && !first_vertical_edge_done){

  431. 

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

  433.             && IS_INTERLACED(mbm_type&~mb_type)

  434.             ) {

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

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

  437.             // frame macroblock.

  438.             //

  439.             unsigned int tmp_linesize   = 2 *   linesize;

  440.             unsigned int tmp_uvlinesize = 2 * uvlinesize;

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

  442.             int j;

  443. 

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

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

  446.                 int qp;

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

  448.                     AV_WN64A(bS, 0x0003000300030003ULL);

  449.                 } else {

  450.                     if (!CABAC && IS_8x8DCT(s->current_picture.f.mb_type[mbn_xy])) {

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

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

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

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

  455.                     }else{

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

  457.                     int i;

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

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

  460.                     }

  461.                     }

  462.                 }

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

  464.                 // value in IPCM macroblocks.

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

  466.                 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);

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

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

  469.                 chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, s->current_picture.f.qscale_table[mbn_xy]) + 1) >> 1;

  470.                 chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, s->current_picture.f.qscale_table[mbn_xy]) + 1) >> 1;

  471.                 if (chroma) {

  472.                     if (chroma444) {

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

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

  475.                     } else {

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

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

  478.                     }

  479.                 }

  480.             }

  481.         }else{

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

  483.             int qp;

  484. 

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

  486.                 AV_WN64A(bS, 0x0003000300030003ULL);

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

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

  489.                 )

  490.                     AV_WN64A(bS, 0x0004000400040004ULL);

  491.             } else {

  492.                 int i;

  493.                 int mv_done;

  494. 

  495.                 if( dir && FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbm_type)) {

  496.                     AV_WN64A(bS, 0x0001000100010001ULL);

  497.                     mv_done = 1;

  498.                 }

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

  500.                     int b_idx= 8 + 4;

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

  502. 

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

  504.                     mv_done = 1;

  505.                 }

  506.                 else

  507.                     mv_done = 0;

  508. 

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

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

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

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

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

  514. 

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

  516.                         h->non_zero_count_cache[bn_idx] ) {

  517.                         bS[i] = 2;

  518.                     }

  519.                     else if(!mv_done)

  520.                     {

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

  522.                     }

  523.                 }

  524.             }

  525. 

  526.             /* Filter edge */

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

  528.             // value in IPCM macroblocks.

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

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

  531.                 //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]);

  532.                 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);

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

  534.                 chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, s->current_picture.f.qscale_table[mbm_xy]) + 1) >> 1;

  535.                 chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, s->current_picture.f.qscale_table[mbm_xy]) + 1) >> 1;

  536.                 if( dir == 0 ) {

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

  538.                     if (chroma) {

  539.                         if (chroma444) {

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

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

  542.                         } else {

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

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

  545.                         }

  546.                     }

  547.                 } else {

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

  549.                     if (chroma) {

  550.                         if (chroma444) {

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

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

  553.                         } else {

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

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

  556.                         }

  557.                     }

  558.                 }

  559.             }

  560.         }

  561.     }

  562. 

  563.     /* Calculate bS */

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

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

  566.         int qp;

  567. 

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

  569.             continue;

  570. 

  571.         if( IS_INTRA(mb_type)) {

  572.             AV_WN64A(bS, 0x0003000300030003ULL);

  573.         } else {

  574.             int i;

  575.             int mv_done;

  576. 

  577.             if( edge & mask_edge ) {

  578.                 AV_ZERO64(bS);

  579.                 mv_done = 1;

  580.             }

  581.             else if( mask_par0 ) {

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

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

  584. 

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

  586.                 mv_done = 1;

  587.             }

  588.             else

  589.                 mv_done = 0;

  590. 

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

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

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

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

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

  596. 

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

  598.                     h->non_zero_count_cache[bn_idx] ) {

  599.                     bS[i] = 2;

  600.                 }

  601.                 else if(!mv_done)

  602.                 {

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

  604.                 }

  605.             }

  606. 

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

  608.                 continue;

  609.         }

  610. 

  611.         /* Filter edge */

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

  613.         // value in IPCM macroblocks.

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

  615.         //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]);

  616.         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);

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

  618.         if( dir == 0 ) {

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

  620.             if (chroma) {

  621.                 if (chroma444) {

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

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

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

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

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

  627.                 }

  628.             }

  629.         } else {

  630.             filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0 );

  631.             if (chroma) {

  632.                 if (chroma444) {

  633.                     filter_mb_edgeh ( &img_cb[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);

  634.                     filter_mb_edgeh ( &img_cr[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);

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

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

  637.                     filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);

  638.                 }

  639.             }

  640.         }

  641.     }

  642. }

  643. 

  644. 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) {

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

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

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

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

  649.     int first_vertical_edge_done = 0;

  650.     av_unused int dir;

  651.     int chroma = !(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY));

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

  653.     int a = h->slice_alpha_c0_offset - qp_bd_offset;

  654.     int b = h->slice_beta_offset - qp_bd_offset;

  655. 

  656.     if (FRAME_MBAFF

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

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

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

  660.             && h->left_type[LTOP]) {

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

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

  663.          */

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

  665.         int qp[2];

  666.         int bqp[2];

  667.         int rqp[2];

  668.         int mb_qp, mbn0_qp, mbn1_qp;

  669.         int i;

  670.         first_vertical_edge_done = 1;

  671. 

  672.         if( IS_INTRA(mb_type) ) {

  673.             AV_WN64A(&bS[0], 0x0004000400040004ULL);

  674.             AV_WN64A(&bS[4], 0x0004000400040004ULL);

  675.         } else {

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

  677.                 {

  678.                     {3+4*0, 3+4*0, 3+4*0, 3+4*0, 3+4*1, 3+4*1, 3+4*1, 3+4*1},

  679.                     {3+4*2, 3+4*2, 3+4*2, 3+4*2, 3+4*3, 3+4*3, 3+4*3, 3+4*3},

  680.                 },{

  681.                     {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},

  682.                     {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},

  683.                 }

  684.             };

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

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

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

  688.                 int mbn_xy = h->left_mb_xy[LEFT(j)];

  689.                 int mbn_type= h->left_type[LEFT(j)];

  690. 

  691.                 if( IS_INTRA( mbn_type ) )

  692.                     bS[i] = 4;

  693.                 else{

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

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

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

  697.                                                                        :

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

  699.                 }

  700.             }

  701.         }

  702. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  716. 

  717.         /* Filter edge */

  718.         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);

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

  720.         if(MB_FIELD){

  721.             filter_mb_mbaff_edgev ( h, img_y                ,   linesize, bS  , 1, qp [0], a, b, 1 );

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

  723.             if (chroma){

  724.                 if (CHROMA444) {

  725.                     filter_mb_mbaff_edgev ( h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1 );

  726.                     filter_mb_mbaff_edgev ( h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );

  727.                     filter_mb_mbaff_edgev ( h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1 );

  728.                     filter_mb_mbaff_edgev ( h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );

  729.                 }else{

  730.                     filter_mb_mbaff_edgecv( h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1 );

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

  732.                     filter_mb_mbaff_edgecv( h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1 );

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

  734.                 }

  735.             }

  736.         }else{

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

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

  739.             if (chroma){

  740.                 if (CHROMA444) {

  741.                     filter_mb_mbaff_edgev ( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0], a, b, 1 );

  742.                     filter_mb_mbaff_edgev ( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );

  743.                     filter_mb_mbaff_edgev ( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0], a, b, 1 );

  744.                     filter_mb_mbaff_edgev ( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );

  745.                 }else{

  746.                     filter_mb_mbaff_edgecv( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0], a, b, 1 );

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

  748.                     filter_mb_mbaff_edgecv( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0], a, b, 1 );

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

  750.                 }

  751.             }

  752.         }

  753.     }

  754. 

  755. #if CONFIG_SMALL

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

  757.         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, CHROMA444, dir);

  758. #else

  759.     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, CHROMA444, 0);

  760.     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, CHROMA444, 1);

  761. #endif

  762. }