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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_noinline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {

  103.     const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset;

  104.     const int alpha = alpha_table[index_a];

  105.     const int beta  = (beta_table+52)[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_noinline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {

  120.     const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset;

  121.     const int alpha = alpha_table[index_a];

  122.     const int beta  = (beta_table+52)[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.     for( i = 0; i < 8; i++, pix += stride) {

  140.         int index_a;

  141.         int alpha;

  142.         int beta;

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

  144. 

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

  146.             continue;

  147.         }

  148. 

  149.         index_a = qp + h->slice_alpha_c0_offset;

  150.         alpha = (alpha_table+52)[index_a];

  151.         beta  = (beta_table+52)[qp + h->slice_beta_offset];

  152. 

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

  154.             const int tc0 = (tc0_table+52)[index_a][bS[bS_index]];

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

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

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

  158.             const int q0 = pix[0];

  159.             const int q1 = pix[1];

  160.             const int q2 = pix[2];

  161. 

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

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

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

  165.                 int tc = tc0;

  166.                 int i_delta;

  167. 

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

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

  170.                     tc++;

  171.                 }

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

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

  174.                     tc++;

  175.                 }

  176. 

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

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

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

  180.                 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);

  181.             }

  182.         }else{

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

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

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

  186. 

  187.             const int q0 = pix[0];

  188.             const int q1 = pix[1];

  189.             const int q2 = pix[2];

  190. 

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

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

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

  194. 

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

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

  197.                     {

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

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

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

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

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

  203.                     } else {

  204.                         /* p0' */

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

  206.                     }

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

  208.                     {

  209.                         const int q3 = pix[3];

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

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

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

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

  214.                     } else {

  215.                         /* q0' */

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

  217.                     }

  218.                 }else{

  219.                     /* p0', q0' */

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

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

  222.                 }

  223.                 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]);

  224.             }

  225.         }

  226.     }

  227. }

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

  229.     int i;

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

  231.         int index_a;

  232.         int alpha;

  233.         int beta;

  234.         const int bS_index = i*bsi;

  235. 

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

  237.             continue;

  238.         }

  239. 

  240.         index_a = qp + h->slice_alpha_c0_offset;

  241.         alpha = (alpha_table+52)[index_a];

  242.         beta  = (beta_table+52)[qp + h->slice_beta_offset];

  243. 

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

  245.             const int tc = (tc0_table+52)[index_a][bS[bS_index]] + 1;

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

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

  248.             const int q0 = pix[0];

  249.             const int q1 = pix[1];

  250. 

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

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

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

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

  255. 

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

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

  258.                 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);

  259.             }

  260.         }else{

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

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

  263.             const int q0 = pix[0];

  264.             const int q1 = pix[1];

  265. 

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

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

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

  269. 

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

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

  272.                 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]);

  273.             }

  274.         }

  275.     }

  276. }

  277. 

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

  279.     const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset;

  280.     const int alpha = alpha_table[index_a];

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

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

  283. 

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

  285.         int8_t tc[4];

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

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

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

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

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

  291.     } else {

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

  293.     }

  294. }

  295. 

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

  297.     const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset;

  298.     const int alpha = alpha_table[index_a];

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

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

  301. 

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

  303.         int8_t tc[4];

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

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

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

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

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

  309.     } else {

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

  311.     }

  312. }

  313. 

  314. 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) {

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

  316.     int mb_y_firstrow = s->picture_structure == PICT_BOTTOM_FIELD;

  317.     int mb_xy, mb_type;

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

  319. 

  320.     mb_xy = h->mb_xy;

  321. 

  322.     if(mb_x==0 || mb_y==mb_y_firstrow || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff ||

  323.        (h->deblocking_filter == 2 && (h->slice_num != h->slice_table[h->top_mb_xy] ||

  324.                                       h->slice_num != h->slice_table[mb_xy - 1]))) {

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

  326.         return;

  327.     }

  328.     assert(!FRAME_MBAFF);

  329. 

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

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

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

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

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

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

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

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

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

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

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

  341.     qp_thresh = 15 - h->slice_alpha_c0_offset;

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

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

  344.         return;

  345. 

  346.     if( IS_INTRA(mb_type) ) {

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

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

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

  350.         if( IS_8x8DCT(mb_type) ) {

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

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

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

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

  355.         } else {

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

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

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

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

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

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

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

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

  364.         }

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

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

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

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

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

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

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

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

  373.         return;

  374.     } else {

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

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

  377.         int edges;

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

  379.             edges = 4;

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

  381.         } else {

  382.             int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :

  383.                              (mb_type & MB_TYPE_16x8) ? 1 : 0;

  384.             int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))

  385.                              && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))

  386.                              ? 3 : 0;

  387.             int step = IS_8x8DCT(mb_type) ? 2 : 1;

  388.             edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;

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

  390.                                               (h->slice_type_nos == FF_B_TYPE), edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);

  391.         }

  392.         if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )

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

  394.         if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )

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

  396. 

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

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

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

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

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

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

  403.             }\

  404.         }

  405.         if( edges == 1 ) {

  406.             FILTER(v,0,0);

  407.             FILTER(h,1,0);

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

  409.             FILTER(v,0,0);

  410.             FILTER(v,0,2);

  411.             FILTER(h,1,0);

  412.             FILTER(h,1,2);

  413.         } else {

  414.             FILTER(v,0,0);

  415.             FILTER(v,0,1);

  416.             FILTER(v,0,2);

  417.             FILTER(v,0,3);

  418.             FILTER(h,1,0);

  419.             FILTER(h,1,1);

  420.             FILTER(h,1,2);

  421.             FILTER(h,1,3);

  422.         }

  423. #undef FILTER

  424.     }

  425. }

  426. 

  427. 

  428. 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) {

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

  430.     int edge;

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

  432.     const int mbm_type = s->current_picture.mb_type[mbm_xy];

  433. 

  434.     const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))

  435.                               == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;

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

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

  438.                                               {0,3,1,1,3,3,3,3}};

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

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

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

  442.     int start =   h->slice_table[mbm_xy] == 0xFFFF

  443.                || first_vertical_edge_done

  444.                || (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_num);

  445. 

  446. 

  447.     if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0

  448.         && IS_INTERLACED(mbm_type&~mb_type)

  449.         ) {

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

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

  452.         // frame macroblock.

  453.         //

  454.         unsigned int tmp_linesize   = 2 *   linesize;

  455.         unsigned int tmp_uvlinesize = 2 * uvlinesize;

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

  457.         int j;

  458. 

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

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

  461.             int qp;

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

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

  464.             } else {

  465.                 const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;

  466.                 int i;

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

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

  469.                 }

  470.             }

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

  472.             // value in IPCM macroblocks.

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

  474.             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);

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

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

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

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

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

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

  481.         }

  482. 

  483.         start = 1;

  484.     }

  485. 

  486.     /* Calculate bS */

  487.     for( edge = start; edge < edges; edge++ ) {

  488.         /* mbn_xy: neighbor macroblock */

  489.         const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;

  490.         const int mbn_type = s->current_picture.mb_type[mbn_xy];

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

  492.         int qp;

  493. 

  494.         if( (edge&1) && IS_8x8DCT(mb_type) )

  495.             continue;

  496. 

  497.         if( IS_INTRA(mb_type|mbn_type)) {

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

  499.             if (edge == 0) {

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

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

  502.                 )

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

  504.             }

  505.         } else {

  506.             int i, l;

  507.             int mv_done;

  508. 

  509.             if( edge & mask_edge ) {

  510.                 *(uint64_t*)bS= 0;

  511.                 mv_done = 1;

  512.             }

  513.             else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {

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

  515.                 mv_done = 1;

  516.             }

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

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

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

  520.                 int v = 0;

  521. 

  522.                 for( l = 0; !v && l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {

  523.                     v |= h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |

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

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

  526.                 }

  527. 

  528.                 if(h->slice_type_nos == FF_B_TYPE && v){

  529.                     v=0;

  530.                     for( l = 0; !v && l < 2; l++ ) {

  531.                         int ln= 1-l;

  532.                         v |= h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |

  533.                             h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |

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

  535.                     }

  536.                 }

  537. 

  538.                 bS[0] = bS[1] = bS[2] = bS[3] = v;

  539.                 mv_done = 1;

  540.             }

  541.             else

  542.                 mv_done = 0;

  543. 

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

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

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

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

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

  549. 

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

  551.                     h->non_zero_count_cache[bn_idx] ) {

  552.                     bS[i] = 2;

  553.                 }

  554.                 else if(!mv_done)

  555.                 {

  556.                     bS[i] = 0;

  557.                     for( l = 0; l < 1 + (h->slice_type_nos == FF_B_TYPE); l++ ) {

  558.                         if( h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |

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

  560.                             FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {

  561.                             bS[i] = 1;

  562.                             break;

  563.                         }

  564.                     }

  565. 

  566.                     if(h->slice_type_nos == FF_B_TYPE && bS[i]){

  567.                         bS[i] = 0;

  568.                         for( l = 0; l < 2; l++ ) {

  569.                             int ln= 1-l;

  570.                             if( h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |

  571.                                 h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |

  572.                                 FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {

  573.                                 bS[i] = 1;

  574.                                 break;

  575.                             }

  576.                         }

  577.                     }

  578.                 }

  579.             }

  580. 

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

  582.                 continue;

  583.         }

  584. 

  585.         /* Filter edge */

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

  587.         // value in IPCM macroblocks.

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

  589.         //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]);

  590.         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);

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

  592.         if( dir == 0 ) {

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

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

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

  596.                 filter_mb_edgecv( &img_cb[2*edge], uvlinesize, bS, qp, h);

  597.                 if(h->pps.chroma_qp_diff)

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

  599.                 filter_mb_edgecv( &img_cr[2*edge], uvlinesize, bS, qp, h);

  600.             }

  601.         } else {

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

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

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

  605.                 filter_mb_edgech( &img_cb[2*edge*uvlinesize], uvlinesize, bS, qp, h);

  606.                 if(h->pps.chroma_qp_diff)

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

  608.                 filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, qp, h);

  609.             }

  610.         }

  611.     }

  612. }

  613. 

  614. 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) {

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

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

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

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

  619.     int first_vertical_edge_done = 0;

  620.     av_unused int dir;

  621.     int list;

  622. 

  623.     if (FRAME_MBAFF

  624.             // left mb is in picture

  625.             && h->slice_table[mb_xy-1] != 0xFFFF

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

  627.             && IS_INTERLACED(mb_type^s->current_picture.mb_type[mb_xy-1])

  628.             // and left mb is in the same slice if deblocking_filter == 2

  629.             && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_num)) {

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

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

  632.          */

  633.         const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;

  634.         const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };

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

  636.         int qp[2];

  637.         int bqp[2];

  638.         int rqp[2];

  639.         int mb_qp, mbn0_qp, mbn1_qp;

  640.         int i;

  641.         first_vertical_edge_done = 1;

  642. 

  643.         if( IS_INTRA(mb_type) )

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

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

  646.         else {

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

  648.                 int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];

  649. 

  650.                 if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )

  651.                     bS[i] = 4;

  652.                 else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||

  653.                          ((!h->pps.cabac && IS_8x8DCT(s->current_picture.mb_type[mbn_xy])) ?

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

  655.                                                                        :

  656.                             h->non_zero_count[mbn_xy][7+(MB_FIELD ? (i&3) : (i>>2)+(mb_y&1)*2)*8]))

  657.                     bS[i] = 2;

  658.                 else

  659.                     bS[i] = 1;

  660.             }

  661.         }

  662. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  676. 

  677.         /* Filter edge */

  678.         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);

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

  680.         if(MB_FIELD){

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

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

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

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

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

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

  687.         }else{

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

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

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

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

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

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

  694.         }

  695.     }

  696. 

  697. #if CONFIG_SMALL

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

  699.         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);

  700. #else

  701.     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);

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

  703. #endif

  704. }