analyse.c
资源名称:X264CODEC.rar [点击查看]
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上传日期:2022-06-04
资源大小:8887k
文件大小:119k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*****************************************************************************
- * analyse.c: h264 encoder library
- *****************************************************************************
- * Copyright (C) 2003-2008 x264 project
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Loren Merritt <lorenm@u.washington.edu>
- * Jason Garrett-Glaser <darkshikari@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- *****************************************************************************/
- #define _ISOC99_SOURCE
- #include <math.h>
- //配置MS VC环境 --@lia
- #ifndef _MSC_VER
- #include <unistd.h>
- #endif
- #include "common/common.h"
- #include "common/cpu.h"
- #include "macroblock.h"
- #include "me.h"
- #include "ratecontrol.h"
- #include "analyse.h"
- #include "rdo.c"
- //配置MS VC环境 --@lia
- #ifdef _MSC_VER
- #define log2f(x) ((float)log((double)(x)))/(log((double)2))
- #endif
- typedef struct
- {
- /* 16x16 */
- int i_ref;
- int i_rd16x16;
- x264_me_t me16x16;
- /* 8x8 */
- int i_cost8x8;
- /* [ref][0] is 16x16 mv, [ref][1..4] are 8x8 mv from partition [0..3] */
- ALIGNED_4( int16_t mvc[32][5][2] );
- x264_me_t me8x8[4];
- /* Sub 4x4 */
- int i_cost4x4[4]; /* cost per 8x8 partition */
- x264_me_t me4x4[4][4];
- /* Sub 8x4 */
- int i_cost8x4[4]; /* cost per 8x8 partition */
- x264_me_t me8x4[4][2];
- /* Sub 4x8 */
- int i_cost4x8[4]; /* cost per 8x8 partition */
- x264_me_t me4x8[4][2];
- /* 16x8 */
- int i_cost16x8;
- x264_me_t me16x8[2];
- /* 8x16 */
- int i_cost8x16;
- x264_me_t me8x16[2];
- } x264_mb_analysis_list_t;
- typedef struct
- {
- /* conduct the analysis using this lamda and QP */
- int i_lambda;
- int i_lambda2;
- int i_qp;
- uint16_t *p_cost_mv;
- uint16_t *p_cost_ref0;
- uint16_t *p_cost_ref1;
- int i_mbrd;
- /* I: Intra part */
- /* Take some shortcuts in intra search if intra is deemed unlikely */
- int b_fast_intra;
- int b_try_pskip;
- /* Luma part */
- int i_satd_i16x16;
- int i_satd_i16x16_dir[7];
- int i_predict16x16;
- int i_satd_i8x8;
- int i_cbp_i8x8_luma;
- int i_satd_i8x8_dir[12][4];
- int i_predict8x8[4];
- int i_satd_i4x4;
- int i_predict4x4[16];
- int i_satd_pcm;
- /* Chroma part */
- int i_satd_i8x8chroma;
- int i_satd_i8x8chroma_dir[4];
- int i_predict8x8chroma;
- /* II: Inter part P/B frame */
- x264_mb_analysis_list_t l0;
- x264_mb_analysis_list_t l1;
- int i_cost16x16bi; /* used the same ref and mv as l0 and l1 (at least for now) */
- int i_cost16x16direct;
- int i_cost8x8bi;
- int i_cost8x8direct[4];
- int i_cost16x8bi;
- int i_cost8x16bi;
- int i_rd16x16bi;
- int i_rd16x16direct;
- int i_rd16x8bi;
- int i_rd8x16bi;
- int i_rd8x8bi;
- int i_mb_partition16x8[2]; /* mb_partition_e */
- int i_mb_partition8x16[2];
- int i_mb_type16x8; /* mb_class_e */
- int i_mb_type8x16;
- int b_direct_available;
- } x264_mb_analysis_t;
- /* lambda = pow(2,qp/6-2) */
- const int x264_lambda_tab[52] = {
- 1, 1, 1, 1, 1, 1, 1, 1, /* 0-7 */
- 1, 1, 1, 1, /* 8-11 */
- 1, 1, 1, 1, 2, 2, 2, 2, /* 12-19 */
- 3, 3, 3, 4, 4, 4, 5, 6, /* 20-27 */
- 6, 7, 8, 9,10,11,13,14, /* 28-35 */
- 16,18,20,23,25,29,32,36, /* 36-43 */
- 40,45,51,57,64,72,81,91 /* 44-51 */
- };
- /* lambda2 = pow(lambda,2) * .9 * 256 */
- const int x264_lambda2_tab[52] = {
- 14, 18, 22, 28, 36, 45, 57, 72, /* 0 - 7 */
- 91, 115, 145, 182, 230, 290, 365, 460, /* 8 - 15 */
- 580, 731, 921, 1161, 1462, 1843, 2322, 2925, /* 16 - 23 */
- 3686, 4644, 5851, 7372, 9289, 11703, 14745, 18578, /* 24 - 31 */
- 23407, 29491, 37156, 46814, 58982, 74313, 93628, 117964, /* 32 - 39 */
- 148626, 187257, 235929, 297252, 374514, 471859, 594505, 749029, /* 40 - 47 */
- 943718, 1189010, 1498059, 1887436 /* 48 - 51 */
- };
- const uint8_t x264_exp2_lut[64] = {
- 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 44, 47,
- 50, 53, 57, 60, 64, 67, 71, 74, 78, 81, 85, 89, 93, 96, 100, 104,
- 108, 112, 116, 120, 124, 128, 132, 137, 141, 145, 150, 154, 159, 163, 168, 172,
- 177, 182, 186, 191, 196, 201, 206, 211, 216, 221, 226, 232, 237, 242, 248, 253,
- };
- const float x264_log2_lut[128] = {
- 0.00000, 0.01123, 0.02237, 0.03342, 0.04439, 0.05528, 0.06609, 0.07682,
- 0.08746, 0.09803, 0.10852, 0.11894, 0.12928, 0.13955, 0.14975, 0.15987,
- 0.16993, 0.17991, 0.18982, 0.19967, 0.20945, 0.21917, 0.22882, 0.23840,
- 0.24793, 0.25739, 0.26679, 0.27612, 0.28540, 0.29462, 0.30378, 0.31288,
- 0.32193, 0.33092, 0.33985, 0.34873, 0.35755, 0.36632, 0.37504, 0.38370,
- 0.39232, 0.40088, 0.40939, 0.41785, 0.42626, 0.43463, 0.44294, 0.45121,
- 0.45943, 0.46761, 0.47573, 0.48382, 0.49185, 0.49985, 0.50779, 0.51570,
- 0.52356, 0.53138, 0.53916, 0.54689, 0.55459, 0.56224, 0.56986, 0.57743,
- 0.58496, 0.59246, 0.59991, 0.60733, 0.61471, 0.62205, 0.62936, 0.63662,
- 0.64386, 0.65105, 0.65821, 0.66534, 0.67243, 0.67948, 0.68650, 0.69349,
- 0.70044, 0.70736, 0.71425, 0.72110, 0.72792, 0.73471, 0.74147, 0.74819,
- 0.75489, 0.76155, 0.76818, 0.77479, 0.78136, 0.78790, 0.79442, 0.80090,
- 0.80735, 0.81378, 0.82018, 0.82655, 0.83289, 0.83920, 0.84549, 0.85175,
- 0.85798, 0.86419, 0.87036, 0.87652, 0.88264, 0.88874, 0.89482, 0.90087,
- 0.90689, 0.91289, 0.91886, 0.92481, 0.93074, 0.93664, 0.94251, 0.94837,
- 0.95420, 0.96000, 0.96578, 0.97154, 0.97728, 0.98299, 0.98868, 0.99435,
- };
- /* Avoid an int/float conversion. */
- const float x264_log2_lz_lut[32] = {
- 31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
- };
- // should the intra and inter lambdas be different?
- // I'm just matching the behaviour of deadzone quant.
- static const int x264_trellis_lambda2_tab[2][52] = {
- // inter lambda = .85 * .85 * 2**(qp/3. + 10 - LAMBDA_BITS)
- { 46, 58, 73, 92, 117, 147,
- 185, 233, 294, 370, 466, 587,
- 740, 932, 1174, 1480, 1864, 2349,
- 2959, 3728, 4697, 5918, 7457, 9395,
- 11837, 14914, 18790, 23674, 29828, 37581,
- 47349, 59656, 75163, 94699, 119313, 150326,
- 189399, 238627, 300652, 378798, 477255, 601304,
- 757596, 954511, 1202608, 1515192, 1909022, 2405217,
- 3030384, 3818045, 4810435, 6060769 },
- // intra lambda = .65 * .65 * 2**(qp/3. + 10 - LAMBDA_BITS)
- { 27, 34, 43, 54, 68, 86,
- 108, 136, 172, 216, 273, 343,
- 433, 545, 687, 865, 1090, 1374,
- 1731, 2180, 2747, 3461, 4361, 5494,
- 6922, 8721, 10988, 13844, 17442, 21976,
- 27688, 34885, 43953, 55377, 69771, 87906,
- 110755, 139543, 175813, 221511, 279087, 351627,
- 443023, 558174, 703255, 886046, 1116348, 1406511,
- 1772093, 2232697, 2813022, 3544186 }
- };
- static const uint16_t x264_chroma_lambda2_offset_tab[] = {
- 16, 20, 25, 32, 40, 50,
- 64, 80, 101, 128, 161, 203,
- 256, 322, 406, 512, 645, 812,
- 1024, 1290, 1625, 2048, 2580, 3250,
- 4096, 5160, 6501, 8192, 10321, 13003,
- 16384, 20642, 26007, 32768, 41285, 52015,
- 65535
- };
- /* TODO: calculate CABAC costs */
- static const int i_mb_b_cost_table[X264_MBTYPE_MAX] = {
- 9, 9, 9, 9, 0, 0, 0, 1, 3, 7, 7, 7, 3, 7, 7, 7, 5, 9, 0
- };
- static const int i_mb_b16x8_cost_table[17] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 5, 7, 7, 7, 5, 7, 9, 9, 9
- };
- static const int i_sub_mb_b_cost_table[13] = {
- 7, 5, 5, 3, 7, 5, 7, 3, 7, 7, 7, 5, 1
- };
- static const int i_sub_mb_p_cost_table[4] = {
- 5, 3, 3, 1
- };
- static void x264_analyse_update_cache( x264_t *h, x264_mb_analysis_t *a );
- static uint16_t x264_cost_ref[92][3][33];
- static x264_pthread_mutex_t cost_ref_mutex = X264_PTHREAD_MUTEX_INITIALIZER;
- int x264_analyse_init_costs( x264_t *h, int qp )
- {
- int i, j;
- int lambda = x264_lambda_tab[qp];
- if( h->cost_mv[lambda] )
- return 0;
- /* factor of 4 from qpel, 2 from sign, and 2 because mv can be opposite from mvp */
- CHECKED_MALLOC( h->cost_mv[lambda], (4*4*2048 + 1) * sizeof(uint16_t) );
- h->cost_mv[lambda] += 2*4*2048;
- for( i = 0; i <= 2*4*2048; i++ )
- {
- h->cost_mv[lambda][-i] =
- h->cost_mv[lambda][i] = lambda * (log2f(i+1)*2 + 0.718f + !!i) + .5f;
- }
- x264_pthread_mutex_lock( &cost_ref_mutex );
- for( i = 0; i < 3; i++ )
- for( j = 0; j < 33; j++ )
- x264_cost_ref[lambda][i][j] = i ? lambda * bs_size_te( i, j ) : 0;
- x264_pthread_mutex_unlock( &cost_ref_mutex );
- if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->cost_mv_fpel[lambda][0] )
- {
- for( j=0; j<4; j++ )
- {
- CHECKED_MALLOC( h->cost_mv_fpel[lambda][j], (4*2048 + 1) * sizeof(uint16_t) );
- h->cost_mv_fpel[lambda][j] += 2*2048;
- for( i = -2*2048; i < 2*2048; i++ )
- h->cost_mv_fpel[lambda][j][i] = h->cost_mv[lambda][i*4+j];
- }
- }
- return 0;
- fail:
- return -1;
- }
- void x264_analyse_free_costs( x264_t *h )
- {
- int i, j;
- for( i = 0; i < 92; i++ )
- {
- if( h->cost_mv[i] )
- x264_free( h->cost_mv[i] - 2*4*2048 );
- if( h->cost_mv_fpel[i][0] )
- for( j = 0; j < 4; j++ )
- x264_free( h->cost_mv_fpel[i][j] - 2*2048 );
- }
- }
- /* initialize an array of lambda*nbits for all possible mvs */
- static void x264_mb_analyse_load_costs( x264_t *h, x264_mb_analysis_t *a )
- {
- a->p_cost_mv = h->cost_mv[a->i_lambda];
- a->p_cost_ref0 = x264_cost_ref[a->i_lambda][x264_clip3(h->sh.i_num_ref_idx_l0_active-1,0,2)];
- a->p_cost_ref1 = x264_cost_ref[a->i_lambda][x264_clip3(h->sh.i_num_ref_idx_l1_active-1,0,2)];
- }
- static void x264_mb_analyse_init( x264_t *h, x264_mb_analysis_t *a, int i_qp )
- {
- int i = h->param.analyse.i_subpel_refine - (h->sh.i_type == SLICE_TYPE_B);
- /* mbrd == 1 -> RD mode decision */
- /* mbrd == 2 -> RD refinement */
- /* mbrd == 3 -> QPRD */
- a->i_mbrd = (i>=6) + (i>=8) + (h->param.analyse.i_subpel_refine>=10);
- /* conduct the analysis using this lamda and QP */
- a->i_qp = h->mb.i_qp = i_qp;
- h->mb.i_chroma_qp = h->chroma_qp_table[i_qp];
- a->i_lambda = x264_lambda_tab[i_qp];
- a->i_lambda2 = x264_lambda2_tab[i_qp];
- h->mb.b_trellis = h->param.analyse.i_trellis > 1 && a->i_mbrd;
- if( h->param.analyse.i_trellis )
- {
- h->mb.i_trellis_lambda2[0][0] = x264_trellis_lambda2_tab[0][h->mb.i_qp];
- h->mb.i_trellis_lambda2[0][1] = x264_trellis_lambda2_tab[1][h->mb.i_qp];
- h->mb.i_trellis_lambda2[1][0] = x264_trellis_lambda2_tab[0][h->mb.i_chroma_qp];
- h->mb.i_trellis_lambda2[1][1] = x264_trellis_lambda2_tab[1][h->mb.i_chroma_qp];
- }
- h->mb.i_psy_rd_lambda = a->i_lambda;
- /* Adjusting chroma lambda based on QP offset hurts PSNR but improves visual quality. */
- h->mb.i_chroma_lambda2_offset = h->param.analyse.b_psy ? x264_chroma_lambda2_offset_tab[h->mb.i_qp-h->mb.i_chroma_qp+12] : 256;
- h->mb.i_me_method = h->param.analyse.i_me_method;
- h->mb.i_subpel_refine = h->param.analyse.i_subpel_refine;
- h->mb.b_chroma_me = h->param.analyse.b_chroma_me && h->sh.i_type == SLICE_TYPE_P
- && h->mb.i_subpel_refine >= 5;
- h->mb.b_transform_8x8 = 0;
- h->mb.b_noise_reduction = 0;
- /* I: Intra part */
- a->i_satd_i16x16 =
- a->i_satd_i8x8 =
- a->i_satd_i4x4 =
- a->i_satd_i8x8chroma = COST_MAX;
- /* non-RD PCM decision is inaccurate (as is psy-rd), so don't do it */
- a->i_satd_pcm = !h->mb.i_psy_rd && a->i_mbrd ? ((uint64_t)X264_PCM_COST*a->i_lambda2 + 128) >> 8 : COST_MAX;
- a->b_fast_intra = 0;
- h->mb.i_skip_intra =
- h->mb.b_lossless ? 0 :
- a->i_mbrd ? 2 :
- !h->param.analyse.i_trellis && !h->param.analyse.i_noise_reduction;
- /* II: Inter part P/B frame */
- if( h->sh.i_type != SLICE_TYPE_I )
- {
- int i, j;
- int i_fmv_range = 4 * h->param.analyse.i_mv_range;
- // limit motion search to a slightly smaller range than the theoretical limit,
- // since the search may go a few iterations past its given range
- int i_fpel_border = 6; // umh: 1 for diamond, 2 for octagon, 2 for hpel
- /* Calculate max allowed MV range */
- #define CLIP_FMV(mv) x264_clip3( mv, -i_fmv_range, i_fmv_range-1 )
- h->mb.mv_min[0] = 4*( -16*h->mb.i_mb_x - 24 );
- h->mb.mv_max[0] = 4*( 16*( h->sps->i_mb_width - h->mb.i_mb_x - 1 ) + 24 );
- h->mb.mv_min_spel[0] = CLIP_FMV( h->mb.mv_min[0] );
- h->mb.mv_max_spel[0] = CLIP_FMV( h->mb.mv_max[0] );
- h->mb.mv_min_fpel[0] = (h->mb.mv_min_spel[0]>>2) + i_fpel_border;
- h->mb.mv_max_fpel[0] = (h->mb.mv_max_spel[0]>>2) - i_fpel_border;
- if( h->mb.i_mb_x == 0)
- {
- int mb_y = h->mb.i_mb_y >> h->sh.b_mbaff;
- int mb_height = h->sps->i_mb_height >> h->sh.b_mbaff;
- int thread_mvy_range = i_fmv_range;
- if( h->param.i_threads > 1 )
- {
- int pix_y = (h->mb.i_mb_y | h->mb.b_interlaced) * 16;
- int thresh = pix_y + h->param.analyse.i_mv_range_thread;
- for( i = (h->sh.i_type == SLICE_TYPE_B); i >= 0; i-- )
- {
- x264_frame_t **fref = i ? h->fref1 : h->fref0;
- int i_ref = i ? h->i_ref1 : h->i_ref0;
- for( j=0; j<i_ref; j++ )
- {
- x264_frame_cond_wait( fref[j], thresh );
- thread_mvy_range = X264_MIN( thread_mvy_range, fref[j]->i_lines_completed - pix_y );
- }
- }
- if( h->param.b_deterministic )
- thread_mvy_range = h->param.analyse.i_mv_range_thread;
- if( h->mb.b_interlaced )
- thread_mvy_range >>= 1;
- }
- h->mb.mv_min[1] = 4*( -16*mb_y - 24 );
- h->mb.mv_max[1] = 4*( 16*( mb_height - mb_y - 1 ) + 24 );
- h->mb.mv_min_spel[1] = x264_clip3( h->mb.mv_min[1], -i_fmv_range, i_fmv_range );
- h->mb.mv_max_spel[1] = CLIP_FMV( h->mb.mv_max[1] );
- h->mb.mv_max_spel[1] = X264_MIN( h->mb.mv_max_spel[1], thread_mvy_range*4 );
- h->mb.mv_min_fpel[1] = (h->mb.mv_min_spel[1]>>2) + i_fpel_border;
- h->mb.mv_max_fpel[1] = (h->mb.mv_max_spel[1]>>2) - i_fpel_border;
- }
- #undef CLIP_FMV
- a->l0.me16x16.cost =
- a->l0.i_rd16x16 =
- a->l0.i_cost8x8 = COST_MAX;
- for( i = 0; i < 4; i++ )
- {
- a->l0.i_cost4x4[i] =
- a->l0.i_cost8x4[i] =
- a->l0.i_cost4x8[i] = COST_MAX;
- }
- a->l0.i_cost16x8 =
- a->l0.i_cost8x16 = COST_MAX;
- if( h->sh.i_type == SLICE_TYPE_B )
- {
- a->l1.me16x16.cost =
- a->l1.i_rd16x16 =
- a->l1.i_cost8x8 = COST_MAX;
- for( i = 0; i < 4; i++ )
- {
- a->l1.i_cost4x4[i] =
- a->l1.i_cost8x4[i] =
- a->l1.i_cost4x8[i] =
- a->i_cost8x8direct[i] = COST_MAX;
- }
- a->l1.i_cost16x8 =
- a->l1.i_cost8x16 =
- a->i_rd16x16bi =
- a->i_rd16x16direct =
- a->i_rd8x8bi =
- a->i_rd16x8bi =
- a->i_rd8x16bi =
- a->i_cost16x16bi =
- a->i_cost16x16direct =
- a->i_cost8x8bi =
- a->i_cost16x8bi =
- a->i_cost8x16bi = COST_MAX;
- }
- /* Fast intra decision */
- if( h->mb.i_mb_xy - h->sh.i_first_mb > 4 )
- {
- if( IS_INTRA( h->mb.i_mb_type_left )
- || IS_INTRA( h->mb.i_mb_type_top )
- || IS_INTRA( h->mb.i_mb_type_topleft )
- || IS_INTRA( h->mb.i_mb_type_topright )
- || (h->sh.i_type == SLICE_TYPE_P && IS_INTRA( h->fref0[0]->mb_type[h->mb.i_mb_xy] ))
- || (h->mb.i_mb_xy - h->sh.i_first_mb < 3*(h->stat.frame.i_mb_count[I_4x4] + h->stat.frame.i_mb_count[I_8x8] + h->stat.frame.i_mb_count[I_16x16])) )
- { /* intra is likely */ }
- else
- {
- a->b_fast_intra = 1;
- }
- }
- h->mb.b_skip_mc = 0;
- }
- }
- /*
- * Handle intra mb
- */
- /* Max = 4 */
- static void predict_16x16_mode_available( unsigned int i_neighbour, int *mode, int *pi_count )
- {
- int b_top = i_neighbour & MB_TOP;
- int b_left = i_neighbour & MB_LEFT;
- if( b_top && b_left )
- {
- /* top and left available */
- *mode++ = I_PRED_16x16_V;
- *mode++ = I_PRED_16x16_H;
- *mode++ = I_PRED_16x16_DC;
- *pi_count = 3;
- if( i_neighbour & MB_TOPLEFT )
- {
- /* top left available*/
- *mode++ = I_PRED_16x16_P;
- *pi_count = 4;
- }
- }
- else if( b_left )
- {
- /* left available*/
- *mode++ = I_PRED_16x16_DC_LEFT;
- *mode++ = I_PRED_16x16_H;
- *pi_count = 2;
- }
- else if( b_top )
- {
- /* top available*/
- *mode++ = I_PRED_16x16_DC_TOP;
- *mode++ = I_PRED_16x16_V;
- *pi_count = 2;
- }
- else
- {
- /* none available */
- *mode = I_PRED_16x16_DC_128;
- *pi_count = 1;
- }
- }
- /* Max = 4 */
- static void predict_8x8chroma_mode_available( unsigned int i_neighbour, int *mode, int *pi_count )
- {
- int b_top = i_neighbour & MB_TOP;
- int b_left = i_neighbour & MB_LEFT;
- if( b_top && b_left )
- {
- /* top and left available */
- *mode++ = I_PRED_CHROMA_V;
- *mode++ = I_PRED_CHROMA_H;
- *mode++ = I_PRED_CHROMA_DC;
- *pi_count = 3;
- if( i_neighbour & MB_TOPLEFT )
- {
- /* top left available */
- *mode++ = I_PRED_CHROMA_P;
- *pi_count = 4;
- }
- }
- else if( b_left )
- {
- /* left available*/
- *mode++ = I_PRED_CHROMA_DC_LEFT;
- *mode++ = I_PRED_CHROMA_H;
- *pi_count = 2;
- }
- else if( b_top )
- {
- /* top available*/
- *mode++ = I_PRED_CHROMA_DC_TOP;
- *mode++ = I_PRED_CHROMA_V;
- *pi_count = 2;
- }
- else
- {
- /* none available */
- *mode = I_PRED_CHROMA_DC_128;
- *pi_count = 1;
- }
- }
- /* MAX = 9 */
- static void predict_4x4_mode_available( unsigned int i_neighbour,
- int *mode, int *pi_count )
- {
- int b_top = i_neighbour & MB_TOP;
- int b_left = i_neighbour & MB_LEFT;
- if( b_top && b_left )
- {
- *pi_count = 6;
- *mode++ = I_PRED_4x4_DC;
- *mode++ = I_PRED_4x4_H;
- *mode++ = I_PRED_4x4_V;
- *mode++ = I_PRED_4x4_DDL;
- if( i_neighbour & MB_TOPLEFT )
- {
- *mode++ = I_PRED_4x4_DDR;
- *mode++ = I_PRED_4x4_VR;
- *mode++ = I_PRED_4x4_HD;
- *pi_count += 3;
- }
- *mode++ = I_PRED_4x4_VL;
- *mode++ = I_PRED_4x4_HU;
- }
- else if( b_left )
- {
- *mode++ = I_PRED_4x4_DC_LEFT;
- *mode++ = I_PRED_4x4_H;
- *mode++ = I_PRED_4x4_HU;
- *pi_count = 3;
- }
- else if( b_top )
- {
- *mode++ = I_PRED_4x4_DC_TOP;
- *mode++ = I_PRED_4x4_V;
- *mode++ = I_PRED_4x4_DDL;
- *mode++ = I_PRED_4x4_VL;
- *pi_count = 4;
- }
- else
- {
- *mode++ = I_PRED_4x4_DC_128;
- *pi_count = 1;
- }
- }
- /* For trellis=2, we need to do this for both sizes of DCT, for trellis=1 we only need to use it on the chosen mode. */
- static void inline x264_psy_trellis_init( x264_t *h, int do_both_dct )
- {
- ALIGNED_ARRAY_16( int16_t, dct8x8,[4],[8][8] );
- ALIGNED_ARRAY_16( int16_t, dct4x4,[16],[4][4] );
- ALIGNED_16( static uint8_t zero[16*FDEC_STRIDE] ) = {0};
- int i;
- if( do_both_dct || h->mb.b_transform_8x8 )
- {
- h->dctf.sub16x16_dct8( dct8x8, h->mb.pic.p_fenc[0], zero );
- for( i = 0; i < 4; i++ )
- h->zigzagf.scan_8x8( h->mb.pic.fenc_dct8[i], dct8x8[i] );
- }
- if( do_both_dct || !h->mb.b_transform_8x8 )
- {
- h->dctf.sub16x16_dct( dct4x4, h->mb.pic.p_fenc[0], zero );
- for( i = 0; i < 16; i++ )
- h->zigzagf.scan_4x4( h->mb.pic.fenc_dct4[i], dct4x4[i] );
- }
- }
- /* Pre-calculate fenc satd scores for psy RD, minus DC coefficients */
- static inline void x264_mb_cache_fenc_satd( x264_t *h )
- {
- ALIGNED_16( static uint8_t zero[16] ) = {0};
- uint8_t *fenc;
- int x, y, satd_sum = 0, sa8d_sum = 0;
- if( h->param.analyse.i_trellis == 2 && h->mb.i_psy_trellis )
- x264_psy_trellis_init( h, h->param.analyse.b_transform_8x8 );
- if( !h->mb.i_psy_rd )
- return;
- for( y = 0; y < 4; y++ )
- for( x = 0; x < 4; x++ )
- {
- fenc = h->mb.pic.p_fenc[0]+x*4+y*4*FENC_STRIDE;
- h->mb.pic.fenc_satd[y][x] = h->pixf.satd[PIXEL_4x4]( zero, 0, fenc, FENC_STRIDE )
- - (h->pixf.sad[PIXEL_4x4]( zero, 0, fenc, FENC_STRIDE )>>1);
- satd_sum += h->mb.pic.fenc_satd[y][x];
- }
- for( y = 0; y < 2; y++ )
- for( x = 0; x < 2; x++ )
- {
- fenc = h->mb.pic.p_fenc[0]+x*8+y*8*FENC_STRIDE;
- h->mb.pic.fenc_sa8d[y][x] = h->pixf.sa8d[PIXEL_8x8]( zero, 0, fenc, FENC_STRIDE )
- - (h->pixf.sad[PIXEL_8x8]( zero, 0, fenc, FENC_STRIDE )>>2);
- sa8d_sum += h->mb.pic.fenc_sa8d[y][x];
- }
- h->mb.pic.fenc_satd_sum = satd_sum;
- h->mb.pic.fenc_sa8d_sum = sa8d_sum;
- }
- static void x264_mb_analyse_intra_chroma( x264_t *h, x264_mb_analysis_t *a )
- {
- int i;
- int i_max;
- int predict_mode[4];
- int b_merged_satd = !!h->pixf.intra_mbcmp_x3_8x8c && !h->mb.b_lossless;
- uint8_t *p_dstc[2], *p_srcc[2];
- if( a->i_satd_i8x8chroma < COST_MAX )
- return;
- /* 8x8 prediction selection for chroma */
- p_dstc[0] = h->mb.pic.p_fdec[1];
- p_dstc[1] = h->mb.pic.p_fdec[2];
- p_srcc[0] = h->mb.pic.p_fenc[1];
- p_srcc[1] = h->mb.pic.p_fenc[2];
- predict_8x8chroma_mode_available( h->mb.i_neighbour_intra, predict_mode, &i_max );
- a->i_satd_i8x8chroma = COST_MAX;
- if( i_max == 4 && b_merged_satd )
- {
- int satdu[4], satdv[4];
- h->pixf.intra_mbcmp_x3_8x8c( p_srcc[0], p_dstc[0], satdu );
- h->pixf.intra_mbcmp_x3_8x8c( p_srcc[1], p_dstc[1], satdv );
- h->predict_8x8c[I_PRED_CHROMA_P]( p_dstc[0] );
- h->predict_8x8c[I_PRED_CHROMA_P]( p_dstc[1] );
- satdu[I_PRED_CHROMA_P] =
- h->pixf.mbcmp[PIXEL_8x8]( p_dstc[0], FDEC_STRIDE, p_srcc[0], FENC_STRIDE );
- satdv[I_PRED_CHROMA_P] =
- h->pixf.mbcmp[PIXEL_8x8]( p_dstc[1], FDEC_STRIDE, p_srcc[1], FENC_STRIDE );
- for( i=0; i<i_max; i++ )
- {
- int i_mode = predict_mode[i];
- int i_satd = satdu[i_mode] + satdv[i_mode]
- + a->i_lambda * bs_size_ue(i_mode);
- a->i_satd_i8x8chroma_dir[i] = i_satd;
- COPY2_IF_LT( a->i_satd_i8x8chroma, i_satd, a->i_predict8x8chroma, i_mode );
- }
- }
- else
- {
- for( i=0; i<i_max; i++ )
- {
- int i_satd;
- int i_mode = predict_mode[i];
- /* we do the prediction */
- if( h->mb.b_lossless )
- x264_predict_lossless_8x8_chroma( h, i_mode );
- else
- {
- h->predict_8x8c[i_mode]( p_dstc[0] );
- h->predict_8x8c[i_mode]( p_dstc[1] );
- }
- /* we calculate the cost */
- i_satd = h->pixf.mbcmp[PIXEL_8x8]( p_dstc[0], FDEC_STRIDE,
- p_srcc[0], FENC_STRIDE ) +
- h->pixf.mbcmp[PIXEL_8x8]( p_dstc[1], FDEC_STRIDE,
- p_srcc[1], FENC_STRIDE ) +
- a->i_lambda * bs_size_ue( x264_mb_pred_mode8x8c_fix[i_mode] );
- a->i_satd_i8x8chroma_dir[i] = i_satd;
- COPY2_IF_LT( a->i_satd_i8x8chroma, i_satd, a->i_predict8x8chroma, i_mode );
- }
- }
- h->mb.i_chroma_pred_mode = a->i_predict8x8chroma;
- }
- static void x264_mb_analyse_intra( x264_t *h, x264_mb_analysis_t *a, int i_satd_inter )
- {
- const unsigned int flags = h->sh.i_type == SLICE_TYPE_I ? h->param.analyse.intra : h->param.analyse.inter;
- uint8_t *p_src = h->mb.pic.p_fenc[0];
- uint8_t *p_dst = h->mb.pic.p_fdec[0];
- int i, idx;
- int i_max;
- int predict_mode[9];
- int b_merged_satd = !!h->pixf.intra_mbcmp_x3_16x16 && !h->mb.b_lossless;
- /*---------------- Try all mode and calculate their score ---------------*/
- /* 16x16 prediction selection */
- predict_16x16_mode_available( h->mb.i_neighbour_intra, predict_mode, &i_max );
- if( b_merged_satd && i_max == 4 )
- {
- h->pixf.intra_mbcmp_x3_16x16( p_src, p_dst, a->i_satd_i16x16_dir );
- h->predict_16x16[I_PRED_16x16_P]( p_dst );
- a->i_satd_i16x16_dir[I_PRED_16x16_P] =
- h->pixf.mbcmp[PIXEL_16x16]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE );
- for( i=0; i<4; i++ )
- {
- int cost = a->i_satd_i16x16_dir[i] += a->i_lambda * bs_size_ue(i);
- COPY2_IF_LT( a->i_satd_i16x16, cost, a->i_predict16x16, i );
- }
- }
- else
- {
- for( i = 0; i < i_max; i++ )
- {
- int i_satd;
- int i_mode = predict_mode[i];
- if( h->mb.b_lossless )
- x264_predict_lossless_16x16( h, i_mode );
- else
- h->predict_16x16[i_mode]( p_dst );
- i_satd = h->pixf.mbcmp[PIXEL_16x16]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE ) +
- a->i_lambda * bs_size_ue( x264_mb_pred_mode16x16_fix[i_mode] );
- COPY2_IF_LT( a->i_satd_i16x16, i_satd, a->i_predict16x16, i_mode );
- a->i_satd_i16x16_dir[i_mode] = i_satd;
- }
- }
- if( h->sh.i_type == SLICE_TYPE_B )
- /* cavlc mb type prefix */
- a->i_satd_i16x16 += a->i_lambda * i_mb_b_cost_table[I_16x16];
- if( a->b_fast_intra && a->i_satd_i16x16 > 2*i_satd_inter )
- return;
- /* 8x8 prediction selection */
- if( flags & X264_ANALYSE_I8x8 )
- {
- ALIGNED_ARRAY_16( uint8_t, edge,[33] );
- x264_pixel_cmp_t sa8d = (h->pixf.mbcmp[0] == h->pixf.satd[0]) ? h->pixf.sa8d[PIXEL_8x8] : h->pixf.mbcmp[PIXEL_8x8];
- int i_satd_thresh = a->i_mbrd ? COST_MAX : X264_MIN( i_satd_inter, a->i_satd_i16x16 );
- int i_cost = 0;
- h->mb.i_cbp_luma = 0;
- b_merged_satd = h->pixf.intra_mbcmp_x3_8x8 && !h->mb.b_lossless;
- // FIXME some bias like in i4x4?
- if( h->sh.i_type == SLICE_TYPE_B )
- i_cost += a->i_lambda * i_mb_b_cost_table[I_8x8];
- for( idx = 0;; idx++ )
- {
- int x = idx&1;
- int y = idx>>1;
- uint8_t *p_src_by = p_src + 8*x + 8*y*FENC_STRIDE;
- uint8_t *p_dst_by = p_dst + 8*x + 8*y*FDEC_STRIDE;
- int i_best = COST_MAX;
- int i_pred_mode = x264_mb_predict_intra4x4_mode( h, 4*idx );
- predict_4x4_mode_available( h->mb.i_neighbour8[idx], predict_mode, &i_max );
- h->predict_8x8_filter( p_dst_by, edge, h->mb.i_neighbour8[idx], ALL_NEIGHBORS );
- if( b_merged_satd && i_max == 9 )
- {
- int satd[9];
- h->pixf.intra_mbcmp_x3_8x8( p_src_by, edge, satd );
- satd[i_pred_mode] -= 3 * a->i_lambda;
- for( i=2; i>=0; i-- )
- {
- int cost = a->i_satd_i8x8_dir[i][idx] = satd[i] + 4 * a->i_lambda;
- COPY2_IF_LT( i_best, cost, a->i_predict8x8[idx], i );
- }
- i = 3;
- }
- else
- i = 0;
- for( ; i<i_max; i++ )
- {
- int i_satd;
- int i_mode = predict_mode[i];
- if( h->mb.b_lossless )
- x264_predict_lossless_8x8( h, p_dst_by, idx, i_mode, edge );
- else
- h->predict_8x8[i_mode]( p_dst_by, edge );
- i_satd = sa8d( p_dst_by, FDEC_STRIDE, p_src_by, FENC_STRIDE )
- + a->i_lambda * (i_pred_mode == x264_mb_pred_mode4x4_fix(i_mode) ? 1 : 4);
- COPY2_IF_LT( i_best, i_satd, a->i_predict8x8[idx], i_mode );
- a->i_satd_i8x8_dir[i_mode][idx] = i_satd;
- }
- i_cost += i_best;
- if( idx == 3 || i_cost > i_satd_thresh )
- break;
- /* we need to encode this block now (for next ones) */
- h->predict_8x8[a->i_predict8x8[idx]]( p_dst_by, edge );
- x264_mb_encode_i8x8( h, idx, a->i_qp );
- x264_macroblock_cache_intra8x8_pred( h, 2*x, 2*y, a->i_predict8x8[idx] );
- }
- if( idx == 3 )
- {
- a->i_satd_i8x8 = i_cost;
- if( h->mb.i_skip_intra )
- {
- h->mc.copy[PIXEL_16x16]( h->mb.pic.i8x8_fdec_buf, 16, p_dst, FDEC_STRIDE, 16 );
- h->mb.pic.i8x8_nnz_buf[0] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]];
- h->mb.pic.i8x8_nnz_buf[1] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]];
- h->mb.pic.i8x8_nnz_buf[2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]];
- h->mb.pic.i8x8_nnz_buf[3] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]];
- h->mb.pic.i8x8_cbp = h->mb.i_cbp_luma;
- if( h->mb.i_skip_intra == 2 )
- h->mc.memcpy_aligned( h->mb.pic.i8x8_dct_buf, h->dct.luma8x8, sizeof(h->mb.pic.i8x8_dct_buf) );
- }
- }
- else
- {
- static const uint16_t cost_div_fix8[3] = {1024,512,341};
- a->i_satd_i8x8 = COST_MAX;
- i_cost = (i_cost * cost_div_fix8[idx]) >> 8;
- }
- if( X264_MIN(i_cost, a->i_satd_i16x16) > i_satd_inter*(5+!!a->i_mbrd)/4 )
- return;
- }
- /* 4x4 prediction selection */
- if( flags & X264_ANALYSE_I4x4 )
- {
- int i_cost;
- int i_satd_thresh = X264_MIN3( i_satd_inter, a->i_satd_i16x16, a->i_satd_i8x8 );
- h->mb.i_cbp_luma = 0;
- b_merged_satd = h->pixf.intra_mbcmp_x3_4x4 && !h->mb.b_lossless;
- if( a->i_mbrd )
- i_satd_thresh = i_satd_thresh * (10-a->b_fast_intra)/8;
- i_cost = a->i_lambda * 24; /* from JVT (SATD0) */
- if( h->sh.i_type == SLICE_TYPE_B )
- i_cost += a->i_lambda * i_mb_b_cost_table[I_4x4];
- for( idx = 0;; idx++ )
- {
- uint8_t *p_src_by = p_src + block_idx_xy_fenc[idx];
- uint8_t *p_dst_by = p_dst + block_idx_xy_fdec[idx];
- int i_best = COST_MAX;
- int i_pred_mode = x264_mb_predict_intra4x4_mode( h, idx );
- predict_4x4_mode_available( h->mb.i_neighbour4[idx], predict_mode, &i_max );
- if( (h->mb.i_neighbour4[idx] & (MB_TOPRIGHT|MB_TOP)) == MB_TOP )
- /* emulate missing topright samples */
- *(uint32_t*) &p_dst_by[4 - FDEC_STRIDE] = p_dst_by[3 - FDEC_STRIDE] * 0x01010101U;
- if( b_merged_satd && i_max >= 6 )
- {
- int satd[9];
- h->pixf.intra_mbcmp_x3_4x4( p_src_by, p_dst_by, satd );
- satd[i_pred_mode] -= 3 * a->i_lambda;
- for( i=2; i>=0; i-- )
- COPY2_IF_LT( i_best, satd[i] + 4 * a->i_lambda,
- a->i_predict4x4[idx], i );
- i = 3;
- }
- else
- i = 0;
- for( ; i<i_max; i++ )
- {
- int i_satd;
- int i_mode = predict_mode[i];
- if( h->mb.b_lossless )
- x264_predict_lossless_4x4( h, p_dst_by, idx, i_mode );
- else
- h->predict_4x4[i_mode]( p_dst_by );
- i_satd = h->pixf.mbcmp[PIXEL_4x4]( p_dst_by, FDEC_STRIDE,
- p_src_by, FENC_STRIDE )
- + a->i_lambda * (i_pred_mode == x264_mb_pred_mode4x4_fix(i_mode) ? 1 : 4);
- COPY2_IF_LT( i_best, i_satd, a->i_predict4x4[idx], i_mode );
- }
- i_cost += i_best;
- if( i_cost > i_satd_thresh || idx == 15 )
- break;
- /* we need to encode this block now (for next ones) */
- h->predict_4x4[a->i_predict4x4[idx]]( p_dst_by );
- x264_mb_encode_i4x4( h, idx, a->i_qp );
- h->mb.cache.intra4x4_pred_mode[x264_scan8[idx]] = a->i_predict4x4[idx];
- }
- if( idx == 15 )
- {
- a->i_satd_i4x4 = i_cost;
- if( h->mb.i_skip_intra )
- {
- h->mc.copy[PIXEL_16x16]( h->mb.pic.i4x4_fdec_buf, 16, p_dst, FDEC_STRIDE, 16 );
- h->mb.pic.i4x4_nnz_buf[0] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]];
- h->mb.pic.i4x4_nnz_buf[1] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]];
- h->mb.pic.i4x4_nnz_buf[2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]];
- h->mb.pic.i4x4_nnz_buf[3] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]];
- h->mb.pic.i4x4_cbp = h->mb.i_cbp_luma;
- if( h->mb.i_skip_intra == 2 )
- h->mc.memcpy_aligned( h->mb.pic.i4x4_dct_buf, h->dct.luma4x4, sizeof(h->mb.pic.i4x4_dct_buf) );
- }
- }
- else
- a->i_satd_i4x4 = COST_MAX;
- }
- }
- static void x264_intra_rd( x264_t *h, x264_mb_analysis_t *a, int i_satd_thresh )
- {
- if( a->i_satd_i16x16 <= i_satd_thresh )
- {
- h->mb.i_type = I_16x16;
- x264_analyse_update_cache( h, a );
- a->i_satd_i16x16 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- else
- a->i_satd_i16x16 = COST_MAX;
- if( a->i_satd_i4x4 <= i_satd_thresh && a->i_satd_i4x4 < COST_MAX )
- {
- h->mb.i_type = I_4x4;
- x264_analyse_update_cache( h, a );
- a->i_satd_i4x4 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- else
- a->i_satd_i4x4 = COST_MAX;
- if( a->i_satd_i8x8 <= i_satd_thresh && a->i_satd_i8x8 < COST_MAX )
- {
- h->mb.i_type = I_8x8;
- x264_analyse_update_cache( h, a );
- a->i_satd_i8x8 = x264_rd_cost_mb( h, a->i_lambda2 );
- a->i_cbp_i8x8_luma = h->mb.i_cbp_luma;
- }
- else
- a->i_satd_i8x8 = COST_MAX;
- }
- static void x264_intra_rd_refine( x264_t *h, x264_mb_analysis_t *a )
- {
- uint8_t *p_dst = h->mb.pic.p_fdec[0];
- int i, j, idx, x, y;
- int i_max, i_mode, i_thresh;
- uint64_t i_satd, i_best;
- int predict_mode[9];
- h->mb.i_skip_intra = 0;
- if( h->mb.i_type == I_16x16 )
- {
- int old_pred_mode = a->i_predict16x16;
- i_thresh = a->i_satd_i16x16_dir[old_pred_mode] * 9/8;
- i_best = a->i_satd_i16x16;
- predict_16x16_mode_available( h->mb.i_neighbour_intra, predict_mode, &i_max );
- for( i = 0; i < i_max; i++ )
- {
- int i_mode = predict_mode[i];
- if( i_mode == old_pred_mode || a->i_satd_i16x16_dir[i_mode] > i_thresh )
- continue;
- h->mb.i_intra16x16_pred_mode = i_mode;
- i_satd = x264_rd_cost_mb( h, a->i_lambda2 );
- COPY2_IF_LT( i_best, i_satd, a->i_predict16x16, i_mode );
- }
- }
- /* RD selection for chroma prediction */
- predict_8x8chroma_mode_available( h->mb.i_neighbour_intra, predict_mode, &i_max );
- if( i_max > 1 )
- {
- i_thresh = a->i_satd_i8x8chroma * 5/4;
- for( i = j = 0; i < i_max; i++ )
- if( a->i_satd_i8x8chroma_dir[i] < i_thresh &&
- predict_mode[i] != a->i_predict8x8chroma )
- {
- predict_mode[j++] = predict_mode[i];
- }
- i_max = j;
- if( i_max > 0 )
- {
- int i_cbp_chroma_best = h->mb.i_cbp_chroma;
- int i_chroma_lambda = x264_lambda2_tab[h->mb.i_chroma_qp];
- /* the previous thing encoded was x264_intra_rd(), so the pixels and
- * coefs for the current chroma mode are still around, so we only
- * have to recount the bits. */
- i_best = x264_rd_cost_i8x8_chroma( h, i_chroma_lambda, a->i_predict8x8chroma, 0 );
- for( i = 0; i < i_max; i++ )
- {
- i_mode = predict_mode[i];
- if( h->mb.b_lossless )
- x264_predict_lossless_8x8_chroma( h, i_mode );
- else
- {
- h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[1] );
- h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[2] );
- }
- /* if we've already found a mode that needs no residual, then
- * probably any mode with a residual will be worse.
- * so avoid dct on the remaining modes to improve speed. */
- i_satd = x264_rd_cost_i8x8_chroma( h, i_chroma_lambda, i_mode, h->mb.i_cbp_chroma != 0x00 );
- COPY3_IF_LT( i_best, i_satd, a->i_predict8x8chroma, i_mode, i_cbp_chroma_best, h->mb.i_cbp_chroma );
- }
- h->mb.i_chroma_pred_mode = a->i_predict8x8chroma;
- h->mb.i_cbp_chroma = i_cbp_chroma_best;
- }
- }
- if( h->mb.i_type == I_4x4 )
- {
- uint32_t pels[4] = {0}; // doesn't need initting, just shuts up a gcc warning
- int i_nnz = 0;
- for( idx = 0; idx < 16; idx++ )
- {
- uint8_t *p_dst_by = p_dst + block_idx_xy_fdec[idx];
- i_best = COST_MAX64;
- predict_4x4_mode_available( h->mb.i_neighbour4[idx], predict_mode, &i_max );
- if( (h->mb.i_neighbour4[idx] & (MB_TOPRIGHT|MB_TOP)) == MB_TOP )
- /* emulate missing topright samples */
- *(uint32_t*) &p_dst_by[4 - FDEC_STRIDE] = p_dst_by[3 - FDEC_STRIDE] * 0x01010101U;
- for( i = 0; i < i_max; i++ )
- {
- i_mode = predict_mode[i];
- if( h->mb.b_lossless )
- x264_predict_lossless_4x4( h, p_dst_by, idx, i_mode );
- else
- h->predict_4x4[i_mode]( p_dst_by );
- i_satd = x264_rd_cost_i4x4( h, a->i_lambda2, idx, i_mode );
- if( i_best > i_satd )
- {
- a->i_predict4x4[idx] = i_mode;
- i_best = i_satd;
- pels[0] = *(uint32_t*)(p_dst_by+0*FDEC_STRIDE);
- pels[1] = *(uint32_t*)(p_dst_by+1*FDEC_STRIDE);
- pels[2] = *(uint32_t*)(p_dst_by+2*FDEC_STRIDE);
- pels[3] = *(uint32_t*)(p_dst_by+3*FDEC_STRIDE);
- i_nnz = h->mb.cache.non_zero_count[x264_scan8[idx]];
- }
- }
- *(uint32_t*)(p_dst_by+0*FDEC_STRIDE) = pels[0];
- *(uint32_t*)(p_dst_by+1*FDEC_STRIDE) = pels[1];
- *(uint32_t*)(p_dst_by+2*FDEC_STRIDE) = pels[2];
- *(uint32_t*)(p_dst_by+3*FDEC_STRIDE) = pels[3];
- h->mb.cache.non_zero_count[x264_scan8[idx]] = i_nnz;
- h->mb.cache.intra4x4_pred_mode[x264_scan8[idx]] = a->i_predict4x4[idx];
- }
- }
- else if( h->mb.i_type == I_8x8 )
- {
- ALIGNED_ARRAY_16( uint8_t, edge,[33] );
- for( idx = 0; idx < 4; idx++ )
- {
- uint64_t pels_h = 0;
- uint8_t pels_v[7];
- uint16_t i_nnz[2];
- uint8_t *p_dst_by;
- int j;
- int cbp_luma_new = 0;
- i_thresh = a->i_satd_i8x8_dir[a->i_predict8x8[idx]][idx] * 11/8;
- i_best = COST_MAX64;
- x = idx&1;
- y = idx>>1;
- p_dst_by = p_dst + 8*x + 8*y*FDEC_STRIDE;
- predict_4x4_mode_available( h->mb.i_neighbour8[idx], predict_mode, &i_max );
- h->predict_8x8_filter( p_dst_by, edge, h->mb.i_neighbour8[idx], ALL_NEIGHBORS );
- for( i = 0; i < i_max; i++ )
- {
- i_mode = predict_mode[i];
- if( a->i_satd_i8x8_dir[i_mode][idx] > i_thresh )
- continue;
- if( h->mb.b_lossless )
- x264_predict_lossless_8x8( h, p_dst_by, idx, i_mode, edge );
- else
- h->predict_8x8[i_mode]( p_dst_by, edge );
- h->mb.i_cbp_luma = a->i_cbp_i8x8_luma;
- i_satd = x264_rd_cost_i8x8( h, a->i_lambda2, idx, i_mode );
- if( i_best > i_satd )
- {
- a->i_predict8x8[idx] = i_mode;
- cbp_luma_new = h->mb.i_cbp_luma;
- i_best = i_satd;
- pels_h = *(uint64_t*)(p_dst_by+7*FDEC_STRIDE);
- if( !(idx&1) )
- for( j=0; j<7; j++ )
- pels_v[j] = p_dst_by[7+j*FDEC_STRIDE];
- i_nnz[0] = *(uint16_t*)&h->mb.cache.non_zero_count[x264_scan8[4*idx+0]];
- i_nnz[1] = *(uint16_t*)&h->mb.cache.non_zero_count[x264_scan8[4*idx+2]];
- }
- }
- a->i_cbp_i8x8_luma = cbp_luma_new;
- *(uint64_t*)(p_dst_by+7*FDEC_STRIDE) = pels_h;
- if( !(idx&1) )
- for( j=0; j<7; j++ )
- p_dst_by[7+j*FDEC_STRIDE] = pels_v[j];
- *(uint16_t*)&h->mb.cache.non_zero_count[x264_scan8[4*idx+0]] = i_nnz[0];
- *(uint16_t*)&h->mb.cache.non_zero_count[x264_scan8[4*idx+2]] = i_nnz[1];
- x264_macroblock_cache_intra8x8_pred( h, 2*x, 2*y, a->i_predict8x8[idx] );
- }
- }
- }
- #define LOAD_FENC( m, src, xoff, yoff)
- (m)->i_stride[0] = h->mb.pic.i_stride[0];
- (m)->i_stride[1] = h->mb.pic.i_stride[1];
- (m)->p_fenc[0] = &(src)[0][(xoff)+(yoff)*FENC_STRIDE];
- (m)->p_fenc[1] = &(src)[1][((xoff)>>1)+((yoff)>>1)*FENC_STRIDE];
- (m)->p_fenc[2] = &(src)[2][((xoff)>>1)+((yoff)>>1)*FENC_STRIDE];
- #define LOAD_HPELS(m, src, list, ref, xoff, yoff)
- (m)->p_fref[0] = &(src)[0][(xoff)+(yoff)*(m)->i_stride[0]];
- (m)->p_fref[1] = &(src)[1][(xoff)+(yoff)*(m)->i_stride[0]];
- (m)->p_fref[2] = &(src)[2][(xoff)+(yoff)*(m)->i_stride[0]];
- (m)->p_fref[3] = &(src)[3][(xoff)+(yoff)*(m)->i_stride[0]];
- (m)->p_fref[4] = &(src)[4][((xoff)>>1)+((yoff)>>1)*(m)->i_stride[1]];
- (m)->p_fref[5] = &(src)[5][((xoff)>>1)+((yoff)>>1)*(m)->i_stride[1]];
- (m)->integral = &h->mb.pic.p_integral[list][ref][(xoff)+(yoff)*(m)->i_stride[0]];
- #define REF_COST(list, ref)
- (a->p_cost_ref##list[ref])
- static void x264_mb_analyse_inter_p16x16( x264_t *h, x264_mb_analysis_t *a )
- {
- x264_me_t m;
- int i_ref, i_mvc;
- ALIGNED_4( int16_t mvc[8][2] );
- int i_halfpel_thresh = INT_MAX;
- int *p_halfpel_thresh = h->mb.pic.i_fref[0]>1 ? &i_halfpel_thresh : NULL;
- /* 16x16 Search on all ref frame */
- m.i_pixel = PIXEL_16x16;
- m.p_cost_mv = a->p_cost_mv;
- LOAD_FENC( &m, h->mb.pic.p_fenc, 0, 0 );
- a->l0.me16x16.cost = INT_MAX;
- for( i_ref = 0; i_ref < h->mb.pic.i_fref[0]; i_ref++ )
- {
- const int i_ref_cost = REF_COST( 0, i_ref );
- i_halfpel_thresh -= i_ref_cost;
- m.i_ref_cost = i_ref_cost;
- m.i_ref = i_ref;
- /* search with ref */
- LOAD_HPELS( &m, h->mb.pic.p_fref[0][i_ref], 0, i_ref, 0, 0 );
- x264_mb_predict_mv_16x16( h, 0, i_ref, m.mvp );
- x264_mb_predict_mv_ref16x16( h, 0, i_ref, mvc, &i_mvc );
- x264_me_search_ref( h, &m, mvc, i_mvc, p_halfpel_thresh );
- /* early termination
- * SSD threshold would probably be better than SATD */
- if( i_ref == 0
- && a->b_try_pskip
- && m.cost-m.cost_mv < 300*a->i_lambda
- && abs(m.mv[0]-h->mb.cache.pskip_mv[0])
- + abs(m.mv[1]-h->mb.cache.pskip_mv[1]) <= 1
- && x264_macroblock_probe_pskip( h ) )
- {
- h->mb.i_type = P_SKIP;
- x264_analyse_update_cache( h, a );
- assert( h->mb.cache.pskip_mv[1] <= h->mb.mv_max_spel[1] || h->param.i_threads == 1 );
- return;
- }
- m.cost += i_ref_cost;
- i_halfpel_thresh += i_ref_cost;
- if( m.cost < a->l0.me16x16.cost )
- h->mc.memcpy_aligned( &a->l0.me16x16, &m, sizeof(x264_me_t) );
- /* save mv for predicting neighbors */
- *(uint32_t*)a->l0.mvc[i_ref][0] =
- *(uint32_t*)h->mb.mvr[0][i_ref][h->mb.i_mb_xy] = *(uint32_t*)m.mv;
- }
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.me16x16.i_ref );
- assert( a->l0.me16x16.mv[1] <= h->mb.mv_max_spel[1] || h->param.i_threads == 1 );
- h->mb.i_type = P_L0;
- if( a->i_mbrd )
- {
- x264_mb_cache_fenc_satd( h );
- if( a->l0.me16x16.i_ref == 0 && *(uint32_t*)a->l0.me16x16.mv == *(uint32_t*)h->mb.cache.pskip_mv )
- {
- h->mb.i_partition = D_16x16;
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv );
- a->l0.i_rd16x16 = x264_rd_cost_mb( h, a->i_lambda2 );
- if( !(h->mb.i_cbp_luma|h->mb.i_cbp_chroma) )
- h->mb.i_type = P_SKIP;
- }
- }
- }
- static void x264_mb_analyse_inter_p8x8_mixed_ref( x264_t *h, x264_mb_analysis_t *a )
- {
- x264_me_t m;
- int i_ref;
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- int i_halfpel_thresh = INT_MAX;
- int *p_halfpel_thresh = /*h->mb.pic.i_fref[0]>1 ? &i_halfpel_thresh : */NULL;
- int i;
- int i_maxref = h->mb.pic.i_fref[0]-1;
- h->mb.i_partition = D_8x8;
- /* early termination: if 16x16 chose ref 0, then evalute no refs older
- * than those used by the neighbors */
- if( i_maxref > 0 && a->l0.me16x16.i_ref == 0 &&
- h->mb.i_mb_type_top && h->mb.i_mb_type_left )
- {
- i_maxref = 0;
- i_maxref = X264_MAX( i_maxref, h->mb.cache.ref[0][ X264_SCAN8_0 - 8 - 1 ] );
- i_maxref = X264_MAX( i_maxref, h->mb.cache.ref[0][ X264_SCAN8_0 - 8 + 0 ] );
- i_maxref = X264_MAX( i_maxref, h->mb.cache.ref[0][ X264_SCAN8_0 - 8 + 2 ] );
- i_maxref = X264_MAX( i_maxref, h->mb.cache.ref[0][ X264_SCAN8_0 - 8 + 4 ] );
- i_maxref = X264_MAX( i_maxref, h->mb.cache.ref[0][ X264_SCAN8_0 + 0 - 1 ] );
- i_maxref = X264_MAX( i_maxref, h->mb.cache.ref[0][ X264_SCAN8_0 + 2*8 - 1 ] );
- }
- for( i_ref = 0; i_ref <= i_maxref; i_ref++ )
- *(uint32_t*)a->l0.mvc[i_ref][0] = *(uint32_t*)h->mb.mvr[0][i_ref][h->mb.i_mb_xy];
- for( i = 0; i < 4; i++ )
- {
- x264_me_t *l0m = &a->l0.me8x8[i];
- const int x8 = i%2;
- const int y8 = i/2;
- m.i_pixel = PIXEL_8x8;
- m.p_cost_mv = a->p_cost_mv;
- LOAD_FENC( &m, p_fenc, 8*x8, 8*y8 );
- l0m->cost = INT_MAX;
- for( i_ref = 0; i_ref <= i_maxref; i_ref++ )
- {
- const int i_ref_cost = REF_COST( 0, i_ref );
- i_halfpel_thresh -= i_ref_cost;
- m.i_ref_cost = i_ref_cost;
- m.i_ref = i_ref;
- LOAD_HPELS( &m, h->mb.pic.p_fref[0][i_ref], 0, i_ref, 8*x8, 8*y8 );
- x264_macroblock_cache_ref( h, 2*x8, 2*y8, 2, 2, 0, i_ref );
- x264_mb_predict_mv( h, 0, 4*i, 2, m.mvp );
- x264_me_search_ref( h, &m, a->l0.mvc[i_ref], i+1, p_halfpel_thresh );
- m.cost += i_ref_cost;
- i_halfpel_thresh += i_ref_cost;
- *(uint32_t*)a->l0.mvc[i_ref][i+1] = *(uint32_t*)m.mv;
- if( m.cost < l0m->cost )
- h->mc.memcpy_aligned( l0m, &m, sizeof(x264_me_t) );
- }
- x264_macroblock_cache_mv_ptr( h, 2*x8, 2*y8, 2, 2, 0, l0m->mv );
- x264_macroblock_cache_ref( h, 2*x8, 2*y8, 2, 2, 0, l0m->i_ref );
- /* If CABAC is on and we're not doing sub-8x8 analysis, the costs
- are effectively zero. */
- if( !h->param.b_cabac || (h->param.analyse.inter & X264_ANALYSE_PSUB8x8) )
- l0m->cost += a->i_lambda * i_sub_mb_p_cost_table[D_L0_8x8];
- }
- a->l0.i_cost8x8 = a->l0.me8x8[0].cost + a->l0.me8x8[1].cost +
- a->l0.me8x8[2].cost + a->l0.me8x8[3].cost;
- /* P_8x8 ref0 has no ref cost */
- if( !h->param.b_cabac && !(a->l0.me8x8[0].i_ref | a->l0.me8x8[1].i_ref |
- a->l0.me8x8[2].i_ref | a->l0.me8x8[3].i_ref) )
- a->l0.i_cost8x8 -= REF_COST( 0, 0 ) * 4;
- h->mb.i_sub_partition[0] = h->mb.i_sub_partition[1] =
- h->mb.i_sub_partition[2] = h->mb.i_sub_partition[3] = D_L0_8x8;
- }
- static void x264_mb_analyse_inter_p8x8( x264_t *h, x264_mb_analysis_t *a )
- {
- const int i_ref = a->l0.me16x16.i_ref;
- const int i_ref_cost = h->param.b_cabac || i_ref ? REF_COST( 0, i_ref ) : 0;
- uint8_t **p_fref = h->mb.pic.p_fref[0][i_ref];
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- int i_mvc;
- int16_t (*mvc)[2] = a->l0.mvc[i_ref];
- int i;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_8x8;
- i_mvc = 1;
- *(uint32_t*)mvc[0] = *(uint32_t*)a->l0.me16x16.mv;
- for( i = 0; i < 4; i++ )
- {
- x264_me_t *m = &a->l0.me8x8[i];
- const int x8 = i%2;
- const int y8 = i/2;
- m->i_pixel = PIXEL_8x8;
- m->p_cost_mv = a->p_cost_mv;
- m->i_ref_cost = i_ref_cost;
- m->i_ref = i_ref;
- LOAD_FENC( m, p_fenc, 8*x8, 8*y8 );
- LOAD_HPELS( m, p_fref, 0, i_ref, 8*x8, 8*y8 );
- x264_mb_predict_mv( h, 0, 4*i, 2, m->mvp );
- x264_me_search( h, m, mvc, i_mvc );
- x264_macroblock_cache_mv_ptr( h, 2*x8, 2*y8, 2, 2, 0, m->mv );
- *(uint32_t*)mvc[i_mvc] = *(uint32_t*)m->mv;
- i_mvc++;
- /* mb type cost */
- m->cost += i_ref_cost;
- if( !h->param.b_cabac || (h->param.analyse.inter & X264_ANALYSE_PSUB8x8) )
- m->cost += a->i_lambda * i_sub_mb_p_cost_table[D_L0_8x8];
- }
- a->l0.i_cost8x8 = a->l0.me8x8[0].cost + a->l0.me8x8[1].cost +
- a->l0.me8x8[2].cost + a->l0.me8x8[3].cost;
- /* theoretically this should include 4*ref_cost,
- * but 3 seems a better approximation of cabac. */
- if( h->param.b_cabac )
- a->l0.i_cost8x8 -= i_ref_cost;
- h->mb.i_sub_partition[0] = h->mb.i_sub_partition[1] =
- h->mb.i_sub_partition[2] = h->mb.i_sub_partition[3] = D_L0_8x8;
- }
- static void x264_mb_analyse_inter_p16x8( x264_t *h, x264_mb_analysis_t *a )
- {
- x264_me_t m;
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- ALIGNED_4( int16_t mvc[3][2] );
- int i, j;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_16x8;
- for( i = 0; i < 2; i++ )
- {
- x264_me_t *l0m = &a->l0.me16x8[i];
- const int ref8[2] = { a->l0.me8x8[2*i].i_ref, a->l0.me8x8[2*i+1].i_ref };
- const int i_ref8s = ( ref8[0] == ref8[1] ) ? 1 : 2;
- m.i_pixel = PIXEL_16x8;
- m.p_cost_mv = a->p_cost_mv;
- LOAD_FENC( &m, p_fenc, 0, 8*i );
- l0m->cost = INT_MAX;
- for( j = 0; j < i_ref8s; j++ )
- {
- const int i_ref = ref8[j];
- const int i_ref_cost = REF_COST( 0, i_ref );
- m.i_ref_cost = i_ref_cost;
- m.i_ref = i_ref;
- /* if we skipped the 16x16 predictor, we wouldn't have to copy anything... */
- *(uint32_t*)mvc[0] = *(uint32_t*)a->l0.mvc[i_ref][0];
- *(uint32_t*)mvc[1] = *(uint32_t*)a->l0.mvc[i_ref][2*i+1];
- *(uint32_t*)mvc[2] = *(uint32_t*)a->l0.mvc[i_ref][2*i+2];
- LOAD_HPELS( &m, h->mb.pic.p_fref[0][i_ref], 0, i_ref, 0, 8*i );
- x264_macroblock_cache_ref( h, 0, 2*i, 4, 2, 0, i_ref );
- x264_mb_predict_mv( h, 0, 8*i, 4, m.mvp );
- x264_me_search( h, &m, mvc, 3 );
- m.cost += i_ref_cost;
- if( m.cost < l0m->cost )
- h->mc.memcpy_aligned( l0m, &m, sizeof(x264_me_t) );
- }
- x264_macroblock_cache_mv_ptr( h, 0, 2*i, 4, 2, 0, l0m->mv );
- x264_macroblock_cache_ref( h, 0, 2*i, 4, 2, 0, l0m->i_ref );
- }
- a->l0.i_cost16x8 = a->l0.me16x8[0].cost + a->l0.me16x8[1].cost;
- }
- static void x264_mb_analyse_inter_p8x16( x264_t *h, x264_mb_analysis_t *a )
- {
- x264_me_t m;
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- ALIGNED_4( int16_t mvc[3][2] );
- int i, j;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_8x16;
- for( i = 0; i < 2; i++ )
- {
- x264_me_t *l0m = &a->l0.me8x16[i];
- const int ref8[2] = { a->l0.me8x8[i].i_ref, a->l0.me8x8[i+2].i_ref };
- const int i_ref8s = ( ref8[0] == ref8[1] ) ? 1 : 2;
- m.i_pixel = PIXEL_8x16;
- m.p_cost_mv = a->p_cost_mv;
- LOAD_FENC( &m, p_fenc, 8*i, 0 );
- l0m->cost = INT_MAX;
- for( j = 0; j < i_ref8s; j++ )
- {
- const int i_ref = ref8[j];
- const int i_ref_cost = REF_COST( 0, i_ref );
- m.i_ref_cost = i_ref_cost;
- m.i_ref = i_ref;
- *(uint32_t*)mvc[0] = *(uint32_t*)a->l0.mvc[i_ref][0];
- *(uint32_t*)mvc[1] = *(uint32_t*)a->l0.mvc[i_ref][i+1];
- *(uint32_t*)mvc[2] = *(uint32_t*)a->l0.mvc[i_ref][i+3];
- LOAD_HPELS( &m, h->mb.pic.p_fref[0][i_ref], 0, i_ref, 8*i, 0 );
- x264_macroblock_cache_ref( h, 2*i, 0, 2, 4, 0, i_ref );
- x264_mb_predict_mv( h, 0, 4*i, 2, m.mvp );
- x264_me_search( h, &m, mvc, 3 );
- m.cost += i_ref_cost;
- if( m.cost < l0m->cost )
- h->mc.memcpy_aligned( l0m, &m, sizeof(x264_me_t) );
- }
- x264_macroblock_cache_mv_ptr( h, 2*i, 0, 2, 4, 0, l0m->mv );
- x264_macroblock_cache_ref( h, 2*i, 0, 2, 4, 0, l0m->i_ref );
- }
- a->l0.i_cost8x16 = a->l0.me8x16[0].cost + a->l0.me8x16[1].cost;
- }
- static int x264_mb_analyse_inter_p4x4_chroma( x264_t *h, x264_mb_analysis_t *a, uint8_t **p_fref, int i8x8, int pixel )
- {
- ALIGNED_8( uint8_t pix1[16*8] );
- uint8_t *pix2 = pix1+8;
- const int i_stride = h->mb.pic.i_stride[1];
- const int or = 4*(i8x8&1) + 2*(i8x8&2)*i_stride;
- const int oe = 4*(i8x8&1) + 2*(i8x8&2)*FENC_STRIDE;
- #define CHROMA4x4MC( width, height, me, x, y )
- h->mc.mc_chroma( &pix1[x+y*16], 16, &p_fref[4][or+x+y*i_stride], i_stride, (me).mv[0], (me).mv[1], width, height );
- h->mc.mc_chroma( &pix2[x+y*16], 16, &p_fref[5][or+x+y*i_stride], i_stride, (me).mv[0], (me).mv[1], width, height );
- if( pixel == PIXEL_4x4 )
- {
- CHROMA4x4MC( 2,2, a->l0.me4x4[i8x8][0], 0,0 );
- CHROMA4x4MC( 2,2, a->l0.me4x4[i8x8][1], 2,0 );
- CHROMA4x4MC( 2,2, a->l0.me4x4[i8x8][2], 0,2 );
- CHROMA4x4MC( 2,2, a->l0.me4x4[i8x8][3], 2,2 );
- }
- else if( pixel == PIXEL_8x4 )
- {
- CHROMA4x4MC( 4,2, a->l0.me8x4[i8x8][0], 0,0 );
- CHROMA4x4MC( 4,2, a->l0.me8x4[i8x8][1], 0,2 );
- }
- else
- {
- CHROMA4x4MC( 2,4, a->l0.me4x8[i8x8][0], 0,0 );
- CHROMA4x4MC( 2,4, a->l0.me4x8[i8x8][1], 2,0 );
- }
- return h->pixf.mbcmp[PIXEL_4x4]( &h->mb.pic.p_fenc[1][oe], FENC_STRIDE, pix1, 16 )
- + h->pixf.mbcmp[PIXEL_4x4]( &h->mb.pic.p_fenc[2][oe], FENC_STRIDE, pix2, 16 );
- }
- static void x264_mb_analyse_inter_p4x4( x264_t *h, x264_mb_analysis_t *a, int i8x8 )
- {
- uint8_t **p_fref = h->mb.pic.p_fref[0][a->l0.me8x8[i8x8].i_ref];
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- const int i_ref = a->l0.me8x8[i8x8].i_ref;
- int i4x4;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_8x8;
- for( i4x4 = 0; i4x4 < 4; i4x4++ )
- {
- const int idx = 4*i8x8 + i4x4;
- const int x4 = block_idx_x[idx];
- const int y4 = block_idx_y[idx];
- const int i_mvc = (i4x4 == 0);
- x264_me_t *m = &a->l0.me4x4[i8x8][i4x4];
- m->i_pixel = PIXEL_4x4;
- m->p_cost_mv = a->p_cost_mv;
- LOAD_FENC( m, p_fenc, 4*x4, 4*y4 );
- LOAD_HPELS( m, p_fref, 0, i_ref, 4*x4, 4*y4 );
- x264_mb_predict_mv( h, 0, idx, 1, m->mvp );
- x264_me_search( h, m, &a->l0.me8x8[i8x8].mv, i_mvc );
- x264_macroblock_cache_mv_ptr( h, x4, y4, 1, 1, 0, m->mv );
- }
- a->l0.i_cost4x4[i8x8] = a->l0.me4x4[i8x8][0].cost +
- a->l0.me4x4[i8x8][1].cost +
- a->l0.me4x4[i8x8][2].cost +
- a->l0.me4x4[i8x8][3].cost +
- REF_COST( 0, i_ref ) +
- a->i_lambda * i_sub_mb_p_cost_table[D_L0_4x4];
- if( h->mb.b_chroma_me )
- a->l0.i_cost4x4[i8x8] += x264_mb_analyse_inter_p4x4_chroma( h, a, p_fref, i8x8, PIXEL_4x4 );
- }
- static void x264_mb_analyse_inter_p8x4( x264_t *h, x264_mb_analysis_t *a, int i8x8 )
- {
- uint8_t **p_fref = h->mb.pic.p_fref[0][a->l0.me8x8[i8x8].i_ref];
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- const int i_ref = a->l0.me8x8[i8x8].i_ref;
- int i8x4;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_8x8;
- for( i8x4 = 0; i8x4 < 2; i8x4++ )
- {
- const int idx = 4*i8x8 + 2*i8x4;
- const int x4 = block_idx_x[idx];
- const int y4 = block_idx_y[idx];
- const int i_mvc = (i8x4 == 0);
- x264_me_t *m = &a->l0.me8x4[i8x8][i8x4];
- m->i_pixel = PIXEL_8x4;
- m->p_cost_mv = a->p_cost_mv;
- LOAD_FENC( m, p_fenc, 4*x4, 4*y4 );
- LOAD_HPELS( m, p_fref, 0, i_ref, 4*x4, 4*y4 );
- x264_mb_predict_mv( h, 0, idx, 2, m->mvp );
- x264_me_search( h, m, &a->l0.me4x4[i8x8][0].mv, i_mvc );
- x264_macroblock_cache_mv_ptr( h, x4, y4, 2, 1, 0, m->mv );
- }
- a->l0.i_cost8x4[i8x8] = a->l0.me8x4[i8x8][0].cost + a->l0.me8x4[i8x8][1].cost +
- REF_COST( 0, i_ref ) +
- a->i_lambda * i_sub_mb_p_cost_table[D_L0_8x4];
- if( h->mb.b_chroma_me )
- a->l0.i_cost8x4[i8x8] += x264_mb_analyse_inter_p4x4_chroma( h, a, p_fref, i8x8, PIXEL_8x4 );
- }
- static void x264_mb_analyse_inter_p4x8( x264_t *h, x264_mb_analysis_t *a, int i8x8 )
- {
- uint8_t **p_fref = h->mb.pic.p_fref[0][a->l0.me8x8[i8x8].i_ref];
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- const int i_ref = a->l0.me8x8[i8x8].i_ref;
- int i4x8;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_8x8;
- for( i4x8 = 0; i4x8 < 2; i4x8++ )
- {
- const int idx = 4*i8x8 + i4x8;
- const int x4 = block_idx_x[idx];
- const int y4 = block_idx_y[idx];
- const int i_mvc = (i4x8 == 0);
- x264_me_t *m = &a->l0.me4x8[i8x8][i4x8];
- m->i_pixel = PIXEL_4x8;
- m->p_cost_mv = a->p_cost_mv;
- LOAD_FENC( m, p_fenc, 4*x4, 4*y4 );
- LOAD_HPELS( m, p_fref, 0, i_ref, 4*x4, 4*y4 );
- x264_mb_predict_mv( h, 0, idx, 1, m->mvp );
- x264_me_search( h, m, &a->l0.me4x4[i8x8][0].mv, i_mvc );
- x264_macroblock_cache_mv_ptr( h, x4, y4, 1, 2, 0, m->mv );
- }
- a->l0.i_cost4x8[i8x8] = a->l0.me4x8[i8x8][0].cost + a->l0.me4x8[i8x8][1].cost +
- REF_COST( 0, i_ref ) +
- a->i_lambda * i_sub_mb_p_cost_table[D_L0_4x8];
- if( h->mb.b_chroma_me )
- a->l0.i_cost4x8[i8x8] += x264_mb_analyse_inter_p4x4_chroma( h, a, p_fref, i8x8, PIXEL_4x8 );
- }
- static void x264_mb_analyse_inter_direct( x264_t *h, x264_mb_analysis_t *a )
- {
- /* Assumes that fdec still contains the results of
- * x264_mb_predict_mv_direct16x16 and x264_mb_mc */
- uint8_t **p_fenc = h->mb.pic.p_fenc;
- uint8_t **p_fdec = h->mb.pic.p_fdec;
- int i;
- a->i_cost16x16direct = a->i_lambda * i_mb_b_cost_table[B_DIRECT];
- for( i = 0; i < 4; i++ )
- {
- const int x = (i&1)*8;
- const int y = (i>>1)*8;
- a->i_cost16x16direct +=
- a->i_cost8x8direct[i] =
- h->pixf.mbcmp[PIXEL_8x8]( &p_fenc[0][x+y*FENC_STRIDE], FENC_STRIDE, &p_fdec[0][x+y*FDEC_STRIDE], FDEC_STRIDE );
- /* mb type cost */
- a->i_cost8x8direct[i] += a->i_lambda * i_sub_mb_b_cost_table[D_DIRECT_8x8];
- }
- }
- #define WEIGHTED_AVG( size, pix, stride, src1, stride1, src2, stride2 )
- {
- h->mc.avg[size]( pix, stride, src1, stride1, src2, stride2, h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref] );
- }
- static void x264_mb_analyse_inter_b16x16( x264_t *h, x264_mb_analysis_t *a )
- {
- ALIGNED_ARRAY_16( uint8_t, pix0,[16*16] );
- ALIGNED_ARRAY_16( uint8_t, pix1,[16*16] );
- uint8_t *src0, *src1;
- int stride0 = 16, stride1 = 16;
- x264_me_t m;
- int i_ref, i_mvc;
- ALIGNED_4( int16_t mvc[9][2] );
- int i_halfpel_thresh = INT_MAX;
- int *p_halfpel_thresh = h->mb.pic.i_fref[0]>1 ? &i_halfpel_thresh : NULL;
- /* 16x16 Search on all ref frame */
- m.i_pixel = PIXEL_16x16;
- m.p_cost_mv = a->p_cost_mv;
- LOAD_FENC( &m, h->mb.pic.p_fenc, 0, 0 );
- /* ME for List 0 */
- a->l0.me16x16.cost = INT_MAX;
- for( i_ref = 0; i_ref < h->mb.pic.i_fref[0]; i_ref++ )
- {
- /* search with ref */
- LOAD_HPELS( &m, h->mb.pic.p_fref[0][i_ref], 0, i_ref, 0, 0 );
- x264_mb_predict_mv_16x16( h, 0, i_ref, m.mvp );
- x264_mb_predict_mv_ref16x16( h, 0, i_ref, mvc, &i_mvc );
- x264_me_search_ref( h, &m, mvc, i_mvc, p_halfpel_thresh );
- /* add ref cost */
- m.cost += REF_COST( 0, i_ref );
- if( m.cost < a->l0.me16x16.cost )
- {
- a->l0.i_ref = i_ref;
- h->mc.memcpy_aligned( &a->l0.me16x16, &m, sizeof(x264_me_t) );
- }
- /* save mv for predicting neighbors */
- *(uint32_t*)h->mb.mvr[0][i_ref][h->mb.i_mb_xy] = *(uint32_t*)m.mv;
- }
- /* subtract ref cost, so we don't have to add it for the other MB types */
- a->l0.me16x16.cost -= REF_COST( 0, a->l0.i_ref );
- /* ME for list 1 */
- i_halfpel_thresh = INT_MAX;
- p_halfpel_thresh = h->mb.pic.i_fref[1]>1 ? &i_halfpel_thresh : NULL;
- a->l1.me16x16.cost = INT_MAX;
- for( i_ref = 0; i_ref < h->mb.pic.i_fref[1]; i_ref++ )
- {
- /* search with ref */
- LOAD_HPELS( &m, h->mb.pic.p_fref[1][i_ref], 1, i_ref, 0, 0 );
- x264_mb_predict_mv_16x16( h, 1, i_ref, m.mvp );
- x264_mb_predict_mv_ref16x16( h, 1, i_ref, mvc, &i_mvc );
- x264_me_search_ref( h, &m, mvc, i_mvc, p_halfpel_thresh );
- /* add ref cost */
- m.cost += REF_COST( 1, i_ref );
- if( m.cost < a->l1.me16x16.cost )
- {
- a->l1.i_ref = i_ref;
- h->mc.memcpy_aligned( &a->l1.me16x16, &m, sizeof(x264_me_t) );
- }
- /* save mv for predicting neighbors */
- *(uint32_t*)h->mb.mvr[1][i_ref][h->mb.i_mb_xy] = *(uint32_t*)m.mv;
- }
- /* subtract ref cost, so we don't have to add it for the other MB types */
- a->l1.me16x16.cost -= REF_COST( 1, a->l1.i_ref );
- /* Set global ref, needed for other modes? */
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.i_ref );
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, a->l1.i_ref );
- /* get cost of BI mode */
- src0 = h->mc.get_ref( pix0, &stride0,
- h->mb.pic.p_fref[0][a->l0.i_ref], h->mb.pic.i_stride[0],
- a->l0.me16x16.mv[0], a->l0.me16x16.mv[1], 16, 16 );
- src1 = h->mc.get_ref( pix1, &stride1,
- h->mb.pic.p_fref[1][a->l1.i_ref], h->mb.pic.i_stride[0],
- a->l1.me16x16.mv[0], a->l1.me16x16.mv[1], 16, 16 );
- h->mc.avg[PIXEL_16x16]( pix0, 16, src0, stride0, src1, stride1, h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref] );
- a->i_cost16x16bi = h->pixf.mbcmp[PIXEL_16x16]( h->mb.pic.p_fenc[0], FENC_STRIDE, pix0, 16 )
- + REF_COST( 0, a->l0.i_ref )
- + REF_COST( 1, a->l1.i_ref )
- + a->l0.me16x16.cost_mv
- + a->l1.me16x16.cost_mv;
- /* mb type cost */
- a->i_cost16x16bi += a->i_lambda * i_mb_b_cost_table[B_BI_BI];
- a->l0.me16x16.cost += a->i_lambda * i_mb_b_cost_table[B_L0_L0];
- a->l1.me16x16.cost += a->i_lambda * i_mb_b_cost_table[B_L1_L1];
- }
- static inline void x264_mb_cache_mv_p8x8( x264_t *h, x264_mb_analysis_t *a, int i )
- {
- const int x = 2*(i%2);
- const int y = 2*(i/2);
- switch( h->mb.i_sub_partition[i] )
- {
- case D_L0_8x8:
- x264_macroblock_cache_mv_ptr( h, x, y, 2, 2, 0, a->l0.me8x8[i].mv );
- break;
- case D_L0_8x4:
- x264_macroblock_cache_mv_ptr( h, x, y+0, 2, 1, 0, a->l0.me8x4[i][0].mv );
- x264_macroblock_cache_mv_ptr( h, x, y+1, 2, 1, 0, a->l0.me8x4[i][1].mv );
- break;
- case D_L0_4x8:
- x264_macroblock_cache_mv_ptr( h, x+0, y, 1, 2, 0, a->l0.me4x8[i][0].mv );
- x264_macroblock_cache_mv_ptr( h, x+1, y, 1, 2, 0, a->l0.me4x8[i][1].mv );
- break;
- case D_L0_4x4:
- x264_macroblock_cache_mv_ptr( h, x+0, y+0, 1, 1, 0, a->l0.me4x4[i][0].mv );
- x264_macroblock_cache_mv_ptr( h, x+1, y+0, 1, 1, 0, a->l0.me4x4[i][1].mv );
- x264_macroblock_cache_mv_ptr( h, x+0, y+1, 1, 1, 0, a->l0.me4x4[i][2].mv );
- x264_macroblock_cache_mv_ptr( h, x+1, y+1, 1, 1, 0, a->l0.me4x4[i][3].mv );
- break;
- default:
- x264_log( h, X264_LOG_ERROR, "internal errorn" );
- break;
- }
- }
- #define CACHE_MV_BI(x,y,dx,dy,me0,me1,part)
- if( x264_mb_partition_listX_table[0][part] )
- {
- x264_macroblock_cache_ref( h, x,y,dx,dy, 0, a->l0.i_ref );
- x264_macroblock_cache_mv_ptr( h, x,y,dx,dy, 0, me0.mv );
- }
- else
- {
- x264_macroblock_cache_ref( h, x,y,dx,dy, 0, -1 );
- x264_macroblock_cache_mv( h, x,y,dx,dy, 0, 0 );
- if( b_mvd )
- x264_macroblock_cache_mvd( h, x,y,dx,dy, 0, 0 );
- }
- if( x264_mb_partition_listX_table[1][part] )
- {
- x264_macroblock_cache_ref( h, x,y,dx,dy, 1, a->l1.i_ref );
- x264_macroblock_cache_mv_ptr( h, x,y,dx,dy, 1, me1.mv );
- }
- else
- {
- x264_macroblock_cache_ref( h, x,y,dx,dy, 1, -1 );
- x264_macroblock_cache_mv( h, x,y,dx,dy, 1, 0 );
- if( b_mvd )
- x264_macroblock_cache_mvd( h, x,y,dx,dy, 1, 0 );
- }
- static inline void x264_mb_cache_mv_b8x8( x264_t *h, x264_mb_analysis_t *a, int i, int b_mvd )
- {
- int x = (i%2)*2;
- int y = (i/2)*2;
- if( h->mb.i_sub_partition[i] == D_DIRECT_8x8 )
- {
- x264_mb_load_mv_direct8x8( h, i );
- if( b_mvd )
- {
- x264_macroblock_cache_mvd( h, x, y, 2, 2, 0, 0 );
- x264_macroblock_cache_mvd( h, x, y, 2, 2, 1, 0 );
- x264_macroblock_cache_skip( h, x, y, 2, 2, 1 );
- }
- }
- else
- {
- CACHE_MV_BI( x, y, 2, 2, a->l0.me8x8[i], a->l1.me8x8[i], h->mb.i_sub_partition[i] );
- }
- }
- static inline void x264_mb_cache_mv_b16x8( x264_t *h, x264_mb_analysis_t *a, int i, int b_mvd )
- {
- CACHE_MV_BI( 0, 2*i, 4, 2, a->l0.me16x8[i], a->l1.me16x8[i], a->i_mb_partition16x8[i] );
- }
- static inline void x264_mb_cache_mv_b8x16( x264_t *h, x264_mb_analysis_t *a, int i, int b_mvd )
- {
- CACHE_MV_BI( 2*i, 0, 2, 4, a->l0.me8x16[i], a->l1.me8x16[i], a->i_mb_partition8x16[i] );
- }
- #undef CACHE_MV_BI
- static void x264_mb_analyse_inter_b8x8( x264_t *h, x264_mb_analysis_t *a )
- {
- uint8_t **p_fref[2] =
- { h->mb.pic.p_fref[0][a->l0.i_ref],
- h->mb.pic.p_fref[1][a->l1.i_ref] };
- ALIGNED_8( uint8_t pix[2][8*8] );
- int i, l;
- /* XXX Needed for x264_mb_predict_mv */
- h->mb.i_partition = D_8x8;
- a->i_cost8x8bi = 0;
- for( i = 0; i < 4; i++ )
- {
- const int x8 = i%2;
- const int y8 = i/2;
- int i_part_cost;
- int i_part_cost_bi = 0;
- int stride[2] = {8,8};
- uint8_t *src[2];
- for( l = 0; l < 2; l++ )
- {
- x264_mb_analysis_list_t *lX = l ? &a->l1 : &a->l0;
- x264_me_t *m = &lX->me8x8[i];
- m->i_pixel = PIXEL_8x8;
- m->p_cost_mv = a->p_cost_mv;
- LOAD_FENC( m, h->mb.pic.p_fenc, 8*x8, 8*y8 );
- LOAD_HPELS( m, p_fref[l], l, lX->i_ref, 8*x8, 8*y8 );
- x264_mb_predict_mv( h, l, 4*i, 2, m->mvp );
- x264_me_search( h, m, &lX->me16x16.mv, 1 );
- x264_macroblock_cache_mv_ptr( h, 2*x8, 2*y8, 2, 2, l, m->mv );
- /* BI mode */
- src[l] = h->mc.get_ref( pix[l], &stride[l], m->p_fref, m->i_stride[0],
- m->mv[0], m->mv[1], 8, 8 );
- i_part_cost_bi += m->cost_mv;
- /* FIXME: ref cost */
- }
- h->mc.avg[PIXEL_8x8]( pix[0], 8, src[0], stride[0], src[1], stride[1], h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref] );
- i_part_cost_bi += h->pixf.mbcmp[PIXEL_8x8]( a->l0.me8x8[i].p_fenc[0], FENC_STRIDE, pix[0], 8 )
- + a->i_lambda * i_sub_mb_b_cost_table[D_BI_8x8];
- a->l0.me8x8[i].cost += a->i_lambda * i_sub_mb_b_cost_table[D_L0_8x8];
- a->l1.me8x8[i].cost += a->i_lambda * i_sub_mb_b_cost_table[D_L1_8x8];
- i_part_cost = a->l0.me8x8[i].cost;
- h->mb.i_sub_partition[i] = D_L0_8x8;
- COPY2_IF_LT( i_part_cost, a->l1.me8x8[i].cost, h->mb.i_sub_partition[i], D_L1_8x8 );
- COPY2_IF_LT( i_part_cost, i_part_cost_bi, h->mb.i_sub_partition[i], D_BI_8x8 );
- COPY2_IF_LT( i_part_cost, a->i_cost8x8direct[i], h->mb.i_sub_partition[i], D_DIRECT_8x8 );
- a->i_cost8x8bi += i_part_cost;
- /* XXX Needed for x264_mb_predict_mv */
- x264_mb_cache_mv_b8x8( h, a, i, 0 );
- }
- /* mb type cost */
- a->i_cost8x8bi += a->i_lambda * i_mb_b_cost_table[B_8x8];
- }
- static void x264_mb_analyse_inter_b16x8( x264_t *h, x264_mb_analysis_t *a )
- {
- uint8_t **p_fref[2] =
- { h->mb.pic.p_fref[0][a->l0.i_ref],
- h->mb.pic.p_fref[1][a->l1.i_ref] };
- ALIGNED_ARRAY_16( uint8_t, pix,[2],[16*8] );
- ALIGNED_4( int16_t mvc[2][2] );
- int i, l;
- h->mb.i_partition = D_16x8;
- a->i_cost16x8bi = 0;
- for( i = 0; i < 2; i++ )
- {
- int i_part_cost;
- int i_part_cost_bi = 0;
- int stride[2] = {16,16};
- uint8_t *src[2];
- /* TODO: check only the list(s) that were used in b8x8? */
- for( l = 0; l < 2; l++ )
- {
- x264_mb_analysis_list_t *lX = l ? &a->l1 : &a->l0;
- x264_me_t *m = &lX->me16x8[i];
- m->i_pixel = PIXEL_16x8;
- m->p_cost_mv = a->p_cost_mv;
- LOAD_FENC( m, h->mb.pic.p_fenc, 0, 8*i );
- LOAD_HPELS( m, p_fref[l], l, lX->i_ref, 0, 8*i );
- *(uint32_t*)mvc[0] = *(uint32_t*)lX->me8x8[2*i].mv;
- *(uint32_t*)mvc[1] = *(uint32_t*)lX->me8x8[2*i+1].mv;
- x264_mb_predict_mv( h, l, 8*i, 2, m->mvp );
- x264_me_search( h, m, mvc, 2 );
- /* BI mode */
- src[l] = h->mc.get_ref( pix[l], &stride[l], m->p_fref, m->i_stride[0],
- m->mv[0], m->mv[1], 16, 8 );
- /* FIXME: ref cost */
- i_part_cost_bi += m->cost_mv;
- }
- h->mc.avg[PIXEL_16x8]( pix[0], 16, src[0], stride[0], src[1], stride[1], h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref] );
- i_part_cost_bi += h->pixf.mbcmp[PIXEL_16x8]( a->l0.me16x8[i].p_fenc[0], FENC_STRIDE, pix[0], 16 );
- i_part_cost = a->l0.me16x8[i].cost;
- a->i_mb_partition16x8[i] = D_L0_8x8; /* not actually 8x8, only the L0 matters */
- if( a->l1.me16x8[i].cost < i_part_cost )
- {
- i_part_cost = a->l1.me16x8[i].cost;
- a->i_mb_partition16x8[i] = D_L1_8x8;
- }
- if( i_part_cost_bi + a->i_lambda * 1 < i_part_cost )
- {
- i_part_cost = i_part_cost_bi;
- a->i_mb_partition16x8[i] = D_BI_8x8;
- }
- a->i_cost16x8bi += i_part_cost;
- x264_mb_cache_mv_b16x8( h, a, i, 0 );
- }
- /* mb type cost */
- a->i_mb_type16x8 = B_L0_L0
- + (a->i_mb_partition16x8[0]>>2) * 3
- + (a->i_mb_partition16x8[1]>>2);
- a->i_cost16x8bi += a->i_lambda * i_mb_b16x8_cost_table[a->i_mb_type16x8];
- }
- static void x264_mb_analyse_inter_b8x16( x264_t *h, x264_mb_analysis_t *a )
- {
- uint8_t **p_fref[2] =
- { h->mb.pic.p_fref[0][a->l0.i_ref],
- h->mb.pic.p_fref[1][a->l1.i_ref] };
- ALIGNED_8( uint8_t pix[2][8*16] );
- ALIGNED_4( int16_t mvc[2][2] );
- int i, l;
- h->mb.i_partition = D_8x16;
- a->i_cost8x16bi = 0;
- for( i = 0; i < 2; i++ )
- {
- int i_part_cost;
- int i_part_cost_bi = 0;
- int stride[2] = {8,8};
- uint8_t *src[2];
- for( l = 0; l < 2; l++ )
- {
- x264_mb_analysis_list_t *lX = l ? &a->l1 : &a->l0;
- x264_me_t *m = &lX->me8x16[i];
- m->i_pixel = PIXEL_8x16;
- m->p_cost_mv = a->p_cost_mv;
- LOAD_FENC( m, h->mb.pic.p_fenc, 8*i, 0 );
- LOAD_HPELS( m, p_fref[l], l, lX->i_ref, 8*i, 0 );
- *(uint32_t*)mvc[0] = *(uint32_t*)lX->me8x8[i].mv;
- *(uint32_t*)mvc[1] = *(uint32_t*)lX->me8x8[i+2].mv;
- x264_mb_predict_mv( h, l, 4*i, 2, m->mvp );
- x264_me_search( h, m, mvc, 2 );
- /* BI mode */
- src[l] = h->mc.get_ref( pix[l], &stride[l], m->p_fref, m->i_stride[0],
- m->mv[0], m->mv[1], 8, 16 );
- /* FIXME: ref cost */
- i_part_cost_bi += m->cost_mv;
- }
- h->mc.avg[PIXEL_8x16]( pix[0], 8, src[0], stride[0], src[1], stride[1], h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref] );
- i_part_cost_bi += h->pixf.mbcmp[PIXEL_8x16]( a->l0.me8x16[i].p_fenc[0], FENC_STRIDE, pix[0], 8 );
- i_part_cost = a->l0.me8x16[i].cost;
- a->i_mb_partition8x16[i] = D_L0_8x8;
- if( a->l1.me8x16[i].cost < i_part_cost )
- {
- i_part_cost = a->l1.me8x16[i].cost;
- a->i_mb_partition8x16[i] = D_L1_8x8;
- }
- if( i_part_cost_bi + a->i_lambda * 1 < i_part_cost )
- {
- i_part_cost = i_part_cost_bi;
- a->i_mb_partition8x16[i] = D_BI_8x8;
- }
- a->i_cost8x16bi += i_part_cost;
- x264_mb_cache_mv_b8x16( h, a, i, 0 );
- }
- /* mb type cost */
- a->i_mb_type8x16 = B_L0_L0
- + (a->i_mb_partition8x16[0]>>2) * 3
- + (a->i_mb_partition8x16[1]>>2);
- a->i_cost8x16bi += a->i_lambda * i_mb_b16x8_cost_table[a->i_mb_type8x16];
- }
- static void x264_mb_analyse_p_rd( x264_t *h, x264_mb_analysis_t *a, int i_satd )
- {
- int thresh = i_satd * 5/4;
- h->mb.i_type = P_L0;
- if( a->l0.i_rd16x16 == COST_MAX && a->l0.me16x16.cost <= i_satd * 3/2 )
- {
- h->mb.i_partition = D_16x16;
- x264_analyse_update_cache( h, a );
- a->l0.i_rd16x16 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- if( a->l0.i_cost16x8 <= thresh )
- {
- h->mb.i_partition = D_16x8;
- x264_analyse_update_cache( h, a );
- a->l0.i_cost16x8 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- else
- a->l0.i_cost16x8 = COST_MAX;
- if( a->l0.i_cost8x16 <= thresh )
- {
- h->mb.i_partition = D_8x16;
- x264_analyse_update_cache( h, a );
- a->l0.i_cost8x16 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- else
- a->l0.i_cost8x16 = COST_MAX;
- if( a->l0.i_cost8x8 <= thresh )
- {
- h->mb.i_type = P_8x8;
- h->mb.i_partition = D_8x8;
- if( h->param.analyse.inter & X264_ANALYSE_PSUB8x8 )
- {
- int i;
- x264_macroblock_cache_ref( h, 0, 0, 2, 2, 0, a->l0.me8x8[0].i_ref );
- x264_macroblock_cache_ref( h, 2, 0, 2, 2, 0, a->l0.me8x8[1].i_ref );
- x264_macroblock_cache_ref( h, 0, 2, 2, 2, 0, a->l0.me8x8[2].i_ref );
- x264_macroblock_cache_ref( h, 2, 2, 2, 2, 0, a->l0.me8x8[3].i_ref );
- /* FIXME: In the 8x8 blocks where RDO isn't run, the NNZ values used for context selection
- * for future blocks are those left over from previous RDO calls. */
- for( i = 0; i < 4; i++ )
- {
- int costs[4] = {a->l0.i_cost4x4[i], a->l0.i_cost8x4[i], a->l0.i_cost4x8[i], a->l0.me8x8[i].cost};
- int thresh = X264_MIN4( costs[0], costs[1], costs[2], costs[3] ) * 5 / 4;
- int subtype, btype = D_L0_8x8;
- uint64_t bcost = COST_MAX64;
- for( subtype = D_L0_4x4; subtype <= D_L0_8x8; subtype++ )
- {
- uint64_t cost;
- if( costs[subtype] > thresh || (subtype == D_L0_8x8 && bcost == COST_MAX64) )
- continue;
- h->mb.i_sub_partition[i] = subtype;
- x264_mb_cache_mv_p8x8( h, a, i );
- cost = x264_rd_cost_part( h, a->i_lambda2, i<<2, PIXEL_8x8 );
- COPY2_IF_LT( bcost, cost, btype, subtype );
- }
- h->mb.i_sub_partition[i] = btype;
- x264_mb_cache_mv_p8x8( h, a, i );
- }
- }
- else
- x264_analyse_update_cache( h, a );
- a->l0.i_cost8x8 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- else
- a->l0.i_cost8x8 = COST_MAX;
- }
- static void x264_mb_analyse_b_rd( x264_t *h, x264_mb_analysis_t *a, int i_satd_inter )
- {
- int thresh = i_satd_inter * (17 + (!!h->mb.i_psy_rd))/16;
- if( a->b_direct_available && a->i_rd16x16direct == COST_MAX )
- {
- h->mb.i_type = B_DIRECT;
- /* Assumes direct/skip MC is still in fdec */
- /* Requires b-rdo to be done before intra analysis */
- h->mb.b_skip_mc = 1;
- x264_analyse_update_cache( h, a );
- a->i_rd16x16direct = x264_rd_cost_mb( h, a->i_lambda2 );
- h->mb.b_skip_mc = 0;
- }
- //FIXME not all the update_cache calls are needed
- h->mb.i_partition = D_16x16;
- /* L0 */
- if( a->l0.me16x16.cost <= thresh && a->l0.i_rd16x16 == COST_MAX )
- {
- h->mb.i_type = B_L0_L0;
- x264_analyse_update_cache( h, a );
- a->l0.i_rd16x16 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- /* L1 */
- if( a->l1.me16x16.cost <= thresh && a->l1.i_rd16x16 == COST_MAX )
- {
- h->mb.i_type = B_L1_L1;
- x264_analyse_update_cache( h, a );
- a->l1.i_rd16x16 = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- /* BI */
- if( a->i_cost16x16bi <= thresh && a->i_rd16x16bi == COST_MAX )
- {
- h->mb.i_type = B_BI_BI;
- x264_analyse_update_cache( h, a );
- a->i_rd16x16bi = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- /* 8x8 */
- if( a->i_cost8x8bi <= thresh && a->i_rd8x8bi == COST_MAX )
- {
- h->mb.i_type = B_8x8;
- h->mb.i_partition = D_8x8;
- x264_analyse_update_cache( h, a );
- a->i_rd8x8bi = x264_rd_cost_mb( h, a->i_lambda2 );
- x264_macroblock_cache_skip( h, 0, 0, 4, 4, 0 );
- }
- /* 16x8 */
- if( a->i_cost16x8bi <= thresh && a->i_rd16x8bi == COST_MAX )
- {
- h->mb.i_type = a->i_mb_type16x8;
- h->mb.i_partition = D_16x8;
- x264_analyse_update_cache( h, a );
- a->i_rd16x8bi = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- /* 8x16 */
- if( a->i_cost8x16bi <= thresh && a->i_rd8x16bi == COST_MAX )
- {
- h->mb.i_type = a->i_mb_type8x16;
- h->mb.i_partition = D_8x16;
- x264_analyse_update_cache( h, a );
- a->i_rd8x16bi = x264_rd_cost_mb( h, a->i_lambda2 );
- }
- }
- static void x264_refine_bidir( x264_t *h, x264_mb_analysis_t *a )
- {
- const int i_biweight = h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref];
- int i;
- if( IS_INTRA(h->mb.i_type) )
- return;
- switch( h->mb.i_partition )
- {
- case D_16x16:
- if( h->mb.i_type == B_BI_BI )
- x264_me_refine_bidir_satd( h, &a->l0.me16x16, &a->l1.me16x16, i_biweight );
- break;
- case D_16x8:
- for( i=0; i<2; i++ )
- if( a->i_mb_partition16x8[i] == D_BI_8x8 )
- x264_me_refine_bidir_satd( h, &a->l0.me16x8[i], &a->l1.me16x8[i], i_biweight );
- break;
- case D_8x16:
- for( i=0; i<2; i++ )
- if( a->i_mb_partition8x16[i] == D_BI_8x8 )
- x264_me_refine_bidir_satd( h, &a->l0.me8x16[i], &a->l1.me8x16[i], i_biweight );
- break;
- case D_8x8:
- for( i=0; i<4; i++ )
- if( h->mb.i_sub_partition[i] == D_BI_8x8 )
- x264_me_refine_bidir_satd( h, &a->l0.me8x8[i], &a->l1.me8x8[i], i_biweight );
- break;
- }
- }
- static inline void x264_mb_analyse_transform( x264_t *h )
- {
- if( x264_mb_transform_8x8_allowed( h ) && h->param.analyse.b_transform_8x8 && !h->mb.b_lossless )
- {
- int i_cost4, i_cost8;
- /* Only luma MC is really needed, but the full MC is re-used in macroblock_encode. */
- x264_mb_mc( h );
- i_cost8 = h->pixf.sa8d[PIXEL_16x16]( h->mb.pic.p_fenc[0], FENC_STRIDE,
- h->mb.pic.p_fdec[0], FDEC_STRIDE );
- i_cost4 = h->pixf.satd[PIXEL_16x16]( h->mb.pic.p_fenc[0], FENC_STRIDE,
- h->mb.pic.p_fdec[0], FDEC_STRIDE );
- h->mb.b_transform_8x8 = i_cost8 < i_cost4;
- h->mb.b_skip_mc = 1;
- }
- }
- static inline void x264_mb_analyse_transform_rd( x264_t *h, x264_mb_analysis_t *a, int *i_satd, int *i_rd )
- {
- if( x264_mb_transform_8x8_allowed( h ) && h->param.analyse.b_transform_8x8 )
- {
- int i_rd8;
- x264_analyse_update_cache( h, a );
- h->mb.b_transform_8x8 ^= 1;
- /* FIXME only luma is needed, but the score for comparison already includes chroma */
- i_rd8 = x264_rd_cost_mb( h, a->i_lambda2 );
- if( *i_rd >= i_rd8 )
- {
- if( *i_rd > 0 )
- *i_satd = (int64_t)(*i_satd) * i_rd8 / *i_rd;
- *i_rd = i_rd8;
- }
- else
- h->mb.b_transform_8x8 ^= 1;
- }
- }
- /* Rate-distortion optimal QP selection.
- * FIXME: More than half of the benefit of this function seems to be
- * in the way it improves the coding of chroma DC (by decimating or
- * finding a better way to code a single DC coefficient.)
- * There must be a more efficient way to get that portion of the benefit
- * without doing full QP-RD, but RD-decimation doesn't seem to do the
- * trick. */
- static inline void x264_mb_analyse_qp_rd( x264_t *h, x264_mb_analysis_t *a )
- {
- int bcost, cost, direction, failures, prevcost, origcost;
- int orig_qp = h->mb.i_qp, bqp = h->mb.i_qp;
- int last_qp_tried = 0;
- origcost = bcost = x264_rd_cost_mb( h, a->i_lambda2 );
- /* If CBP is already zero, don't raise the quantizer any higher. */
- for( direction = h->mb.cbp[h->mb.i_mb_xy] ? 1 : -1; direction >= -1; direction-=2 )
- {
- /* Without psy-RD, require monotonicity when moving quant away from previous
- * macroblock's quant; allow 1 failure when moving quant towards previous quant.
- * With psy-RD, allow 1 failure when moving quant away from previous quant,
- * allow 2 failures when moving quant towards previous quant.
- * Psy-RD generally seems to result in more chaotic RD score-vs-quantizer curves. */
- int threshold = (!!h->mb.i_psy_rd);
- /* Raise the threshold for failures if we're moving towards the last QP. */
- if( ( h->mb.i_last_qp < orig_qp && direction == -1 ) ||
- ( h->mb.i_last_qp > orig_qp && direction == 1 ) )
- threshold++;
- h->mb.i_qp = orig_qp;
- failures = 0;
- prevcost = origcost;
- h->mb.i_qp += direction;
- while( h->mb.i_qp >= h->param.rc.i_qp_min && h->mb.i_qp <= h->param.rc.i_qp_max )
- {
- if( h->mb.i_last_qp == h->mb.i_qp )
- last_qp_tried = 1;
- h->mb.i_chroma_qp = h->chroma_qp_table[h->mb.i_qp];
- cost = x264_rd_cost_mb( h, a->i_lambda2 );
- COPY2_IF_LT( bcost, cost, bqp, h->mb.i_qp );
- /* We can't assume that the costs are monotonic over QPs.
- * Tie case-as-failure seems to give better results. */
- if( cost < prevcost )
- failures = 0;
- else
- failures++;
- prevcost = cost;
- if( failures > threshold )
- break;
- if( direction == 1 && !h->mb.cbp[h->mb.i_mb_xy] )
- break;
- h->mb.i_qp += direction;
- }
- }
- /* Always try the last block's QP. */
- if( !last_qp_tried )
- {
- h->mb.i_qp = h->mb.i_last_qp;
- h->mb.i_chroma_qp = h->chroma_qp_table[h->mb.i_qp];
- cost = x264_rd_cost_mb( h, a->i_lambda2 );
- COPY2_IF_LT( bcost, cost, bqp, h->mb.i_qp );
- }
- h->mb.i_qp = bqp;
- h->mb.i_chroma_qp = h->chroma_qp_table[h->mb.i_qp];
- /* Check transform again; decision from before may no longer be optimal. */
- if( h->mb.i_qp != orig_qp && h->param.analyse.b_transform_8x8 &&
- x264_mb_transform_8x8_allowed( h ) )
- {
- h->mb.b_transform_8x8 ^= 1;
- cost = x264_rd_cost_mb( h, a->i_lambda2 );
- if( cost > bcost )
- h->mb.b_transform_8x8 ^= 1;
- }
- }
- /*****************************************************************************
- * x264_macroblock_analyse:
- *****************************************************************************/
- void x264_macroblock_analyse( x264_t *h )
- {
- x264_mb_analysis_t analysis;
- int i_cost = COST_MAX;
- int i;
- h->mb.i_qp = x264_ratecontrol_qp( h );
- if( h->param.rc.i_aq_mode )
- {
- x264_adaptive_quant( h );
- /* If the QP of this MB is within 1 of the previous MB, code the same QP as the previous MB,
- * to lower the bit cost of the qp_delta. Don't do this if QPRD is enabled. */
- if( h->param.analyse.i_subpel_refine < 10 && abs(h->mb.i_qp - h->mb.i_last_qp) == 1 )
- h->mb.i_qp = h->mb.i_last_qp;
- }
- x264_mb_analyse_init( h, &analysis, h->mb.i_qp );
- /*--------------------------- Do the analysis ---------------------------*/
- if( h->sh.i_type == SLICE_TYPE_I )
- {
- if( analysis.i_mbrd )
- x264_mb_cache_fenc_satd( h );
- x264_mb_analyse_intra( h, &analysis, COST_MAX );
- if( analysis.i_mbrd )
- x264_intra_rd( h, &analysis, COST_MAX );
- i_cost = analysis.i_satd_i16x16;
- h->mb.i_type = I_16x16;
- COPY2_IF_LT( i_cost, analysis.i_satd_i4x4, h->mb.i_type, I_4x4 );
- COPY2_IF_LT( i_cost, analysis.i_satd_i8x8, h->mb.i_type, I_8x8 );
- if( analysis.i_satd_pcm < i_cost )
- h->mb.i_type = I_PCM;
- else if( analysis.i_mbrd >= 2 )
- x264_intra_rd_refine( h, &analysis );
- }
- else if( h->sh.i_type == SLICE_TYPE_P )
- {
- int b_skip = 0;
- h->mc.prefetch_ref( h->mb.pic.p_fref[0][0][h->mb.i_mb_x&3], h->mb.pic.i_stride[0], 0 );
- /* Fast P_SKIP detection */
- analysis.b_try_pskip = 0;
- if( h->param.analyse.b_fast_pskip )
- {
- if( h->param.i_threads > 1 && h->mb.cache.pskip_mv[1] > h->mb.mv_max_spel[1] )
- // FIXME don't need to check this if the reference frame is done
- {}
- else if( h->param.analyse.i_subpel_refine >= 3 )
- analysis.b_try_pskip = 1;
- else if( h->mb.i_mb_type_left == P_SKIP ||
- h->mb.i_mb_type_top == P_SKIP ||
- h->mb.i_mb_type_topleft == P_SKIP ||
- h->mb.i_mb_type_topright == P_SKIP )
- b_skip = x264_macroblock_probe_pskip( h );
- }
- h->mc.prefetch_ref( h->mb.pic.p_fref[0][0][h->mb.i_mb_x&3], h->mb.pic.i_stride[0], 1 );
- if( b_skip )
- {
- h->mb.i_type = P_SKIP;
- h->mb.i_partition = D_16x16;
- assert( h->mb.cache.pskip_mv[1] <= h->mb.mv_max_spel[1] || h->param.i_threads == 1 );
- }
- else
- {
- const unsigned int flags = h->param.analyse.inter;
- int i_type;
- int i_partition;
- int i_thresh16x8;
- int i_satd_inter, i_satd_intra;
- x264_mb_analyse_load_costs( h, &analysis );
- x264_mb_analyse_inter_p16x16( h, &analysis );
- if( h->mb.i_type == P_SKIP )
- return;
- if( flags & X264_ANALYSE_PSUB16x16 )
- {
- if( h->param.analyse.b_mixed_references )
- x264_mb_analyse_inter_p8x8_mixed_ref( h, &analysis );
- else
- x264_mb_analyse_inter_p8x8( h, &analysis );
- }
- /* Select best inter mode */
- i_type = P_L0;
- i_partition = D_16x16;
- i_cost = analysis.l0.me16x16.cost;
- if( ( flags & X264_ANALYSE_PSUB16x16 ) &&
- analysis.l0.i_cost8x8 < analysis.l0.me16x16.cost )
- {
- i_type = P_8x8;
- i_partition = D_8x8;
- i_cost = analysis.l0.i_cost8x8;
- /* Do sub 8x8 */
- if( flags & X264_ANALYSE_PSUB8x8 )
- {
- for( i = 0; i < 4; i++ )
- {
- x264_mb_analyse_inter_p4x4( h, &analysis, i );
- if( analysis.l0.i_cost4x4[i] < analysis.l0.me8x8[i].cost )
- {
- int i_cost8x8 = analysis.l0.i_cost4x4[i];
- h->mb.i_sub_partition[i] = D_L0_4x4;
- x264_mb_analyse_inter_p8x4( h, &analysis, i );
- COPY2_IF_LT( i_cost8x8, analysis.l0.i_cost8x4[i],
- h->mb.i_sub_partition[i], D_L0_8x4 );
- x264_mb_analyse_inter_p4x8( h, &analysis, i );
- COPY2_IF_LT( i_cost8x8, analysis.l0.i_cost4x8[i],
- h->mb.i_sub_partition[i], D_L0_4x8 );
- i_cost += i_cost8x8 - analysis.l0.me8x8[i].cost;
- }
- x264_mb_cache_mv_p8x8( h, &analysis, i );
- }
- analysis.l0.i_cost8x8 = i_cost;
- }
- }
- /* Now do 16x8/8x16 */
- i_thresh16x8 = analysis.l0.me8x8[1].cost_mv + analysis.l0.me8x8[2].cost_mv;
- if( ( flags & X264_ANALYSE_PSUB16x16 ) &&
- analysis.l0.i_cost8x8 < analysis.l0.me16x16.cost + i_thresh16x8 )
- {
- x264_mb_analyse_inter_p16x8( h, &analysis );
- COPY3_IF_LT( i_cost, analysis.l0.i_cost16x8, i_type, P_L0, i_partition, D_16x8 );
- x264_mb_analyse_inter_p8x16( h, &analysis );
- COPY3_IF_LT( i_cost, analysis.l0.i_cost8x16, i_type, P_L0, i_partition, D_8x16 );
- }
- h->mb.i_partition = i_partition;
- /* refine qpel */
- //FIXME mb_type costs?
- if( analysis.i_mbrd )
- {
- /* refine later */
- }
- else if( i_partition == D_16x16 )
- {
- x264_me_refine_qpel( h, &analysis.l0.me16x16 );
- i_cost = analysis.l0.me16x16.cost;
- }
- else if( i_partition == D_16x8 )
- {
- x264_me_refine_qpel( h, &analysis.l0.me16x8[0] );
- x264_me_refine_qpel( h, &analysis.l0.me16x8[1] );
- i_cost = analysis.l0.me16x8[0].cost + analysis.l0.me16x8[1].cost;
- }
- else if( i_partition == D_8x16 )
- {
- x264_me_refine_qpel( h, &analysis.l0.me8x16[0] );
- x264_me_refine_qpel( h, &analysis.l0.me8x16[1] );
- i_cost = analysis.l0.me8x16[0].cost + analysis.l0.me8x16[1].cost;
- }
- else if( i_partition == D_8x8 )
- {
- int i8x8;
- i_cost = 0;
- for( i8x8 = 0; i8x8 < 4; i8x8++ )
- {
- switch( h->mb.i_sub_partition[i8x8] )
- {
- case D_L0_8x8:
- x264_me_refine_qpel( h, &analysis.l0.me8x8[i8x8] );
- i_cost += analysis.l0.me8x8[i8x8].cost;
- break;
- case D_L0_8x4:
- x264_me_refine_qpel( h, &analysis.l0.me8x4[i8x8][0] );
- x264_me_refine_qpel( h, &analysis.l0.me8x4[i8x8][1] );
- i_cost += analysis.l0.me8x4[i8x8][0].cost +
- analysis.l0.me8x4[i8x8][1].cost;
- break;
- case D_L0_4x8:
- x264_me_refine_qpel( h, &analysis.l0.me4x8[i8x8][0] );
- x264_me_refine_qpel( h, &analysis.l0.me4x8[i8x8][1] );
- i_cost += analysis.l0.me4x8[i8x8][0].cost +
- analysis.l0.me4x8[i8x8][1].cost;
- break;
- case D_L0_4x4:
- x264_me_refine_qpel( h, &analysis.l0.me4x4[i8x8][0] );
- x264_me_refine_qpel( h, &analysis.l0.me4x4[i8x8][1] );
- x264_me_refine_qpel( h, &analysis.l0.me4x4[i8x8][2] );
- x264_me_refine_qpel( h, &analysis.l0.me4x4[i8x8][3] );
- i_cost += analysis.l0.me4x4[i8x8][0].cost +
- analysis.l0.me4x4[i8x8][1].cost +
- analysis.l0.me4x4[i8x8][2].cost +
- analysis.l0.me4x4[i8x8][3].cost;
- break;
- default:
- x264_log( h, X264_LOG_ERROR, "internal error (!8x8 && !4x4)n" );
- break;
- }
- }
- }
- if( h->mb.b_chroma_me )
- {
- x264_mb_analyse_intra_chroma( h, &analysis );
- x264_mb_analyse_intra( h, &analysis, i_cost - analysis.i_satd_i8x8chroma );
- analysis.i_satd_i16x16 += analysis.i_satd_i8x8chroma;
- analysis.i_satd_i8x8 += analysis.i_satd_i8x8chroma;
- analysis.i_satd_i4x4 += analysis.i_satd_i8x8chroma;
- }
- else
- x264_mb_analyse_intra( h, &analysis, i_cost );
- i_satd_inter = i_cost;
- i_satd_intra = X264_MIN3( analysis.i_satd_i16x16,
- analysis.i_satd_i8x8,
- analysis.i_satd_i4x4 );
- if( analysis.i_mbrd )
- {
- x264_mb_analyse_p_rd( h, &analysis, X264_MIN(i_satd_inter, i_satd_intra) );
- i_type = P_L0;
- i_partition = D_16x16;
- i_cost = analysis.l0.i_rd16x16;
- COPY2_IF_LT( i_cost, analysis.l0.i_cost16x8, i_partition, D_16x8 );
- COPY2_IF_LT( i_cost, analysis.l0.i_cost8x16, i_partition, D_8x16 );
- COPY3_IF_LT( i_cost, analysis.l0.i_cost8x8, i_partition, D_8x8, i_type, P_8x8 );
- h->mb.i_type = i_type;
- h->mb.i_partition = i_partition;
- if( i_cost < COST_MAX )
- x264_mb_analyse_transform_rd( h, &analysis, &i_satd_inter, &i_cost );
- x264_intra_rd( h, &analysis, i_satd_inter * 5/4 );
- }
- COPY2_IF_LT( i_cost, analysis.i_satd_i16x16, i_type, I_16x16 );
- COPY2_IF_LT( i_cost, analysis.i_satd_i8x8, i_type, I_8x8 );
- COPY2_IF_LT( i_cost, analysis.i_satd_i4x4, i_type, I_4x4 );
- COPY2_IF_LT( i_cost, analysis.i_satd_pcm, i_type, I_PCM );
- h->mb.i_type = i_type;
- if( analysis.i_mbrd >= 2 && h->mb.i_type != I_PCM )
- {
- if( IS_INTRA( h->mb.i_type ) )
- {
- x264_intra_rd_refine( h, &analysis );
- }
- else if( i_partition == D_16x16 )
- {
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, analysis.l0.me16x16.i_ref );
- analysis.l0.me16x16.cost = i_cost;
- x264_me_refine_qpel_rd( h, &analysis.l0.me16x16, analysis.i_lambda2, 0, 0 );
- }
- else if( i_partition == D_16x8 )
- {
- h->mb.i_sub_partition[0] = h->mb.i_sub_partition[1] =
- h->mb.i_sub_partition[2] = h->mb.i_sub_partition[3] = D_L0_8x8;
- x264_macroblock_cache_ref( h, 0, 0, 4, 2, 0, analysis.l0.me16x8[0].i_ref );
- x264_macroblock_cache_ref( h, 0, 2, 4, 2, 0, analysis.l0.me16x8[1].i_ref );
- x264_me_refine_qpel_rd( h, &analysis.l0.me16x8[0], analysis.i_lambda2, 0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me16x8[1], analysis.i_lambda2, 8, 0 );
- }
- else if( i_partition == D_8x16 )
- {
- h->mb.i_sub_partition[0] = h->mb.i_sub_partition[1] =
- h->mb.i_sub_partition[2] = h->mb.i_sub_partition[3] = D_L0_8x8;
- x264_macroblock_cache_ref( h, 0, 0, 2, 4, 0, analysis.l0.me8x16[0].i_ref );
- x264_macroblock_cache_ref( h, 2, 0, 2, 4, 0, analysis.l0.me8x16[1].i_ref );
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x16[0], analysis.i_lambda2, 0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x16[1], analysis.i_lambda2, 4, 0 );
- }
- else if( i_partition == D_8x8 )
- {
- int i8x8;
- x264_analyse_update_cache( h, &analysis );
- for( i8x8 = 0; i8x8 < 4; i8x8++ )
- {
- if( h->mb.i_sub_partition[i8x8] == D_L0_8x8 )
- {
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x8[i8x8], analysis.i_lambda2, i8x8*4, 0 );
- }
- else if( h->mb.i_sub_partition[i8x8] == D_L0_8x4 )
- {
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x4[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x4[i8x8][1], analysis.i_lambda2, i8x8*4+2, 0 );
- }
- else if( h->mb.i_sub_partition[i8x8] == D_L0_4x8 )
- {
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x8[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x8[i8x8][1], analysis.i_lambda2, i8x8*4+1, 0 );
- }
- else if( h->mb.i_sub_partition[i8x8] == D_L0_4x4 )
- {
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][1], analysis.i_lambda2, i8x8*4+1, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][2], analysis.i_lambda2, i8x8*4+2, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][3], analysis.i_lambda2, i8x8*4+3, 0 );
- }
- }
- }
- }
- }
- }
- else if( h->sh.i_type == SLICE_TYPE_B )
- {
- int i_bskip_cost = COST_MAX;
- int b_skip = 0;
- if( analysis.i_mbrd )
- x264_mb_cache_fenc_satd( h );
- h->mb.i_type = B_SKIP;
- if( h->mb.b_direct_auto_write )
- {
- /* direct=auto heuristic: prefer whichever mode allows more Skip macroblocks */
- for( i = 0; i < 2; i++ )
- {
- int b_changed = 1;
- h->sh.b_direct_spatial_mv_pred ^= 1;
- analysis.b_direct_available = x264_mb_predict_mv_direct16x16( h, i && analysis.b_direct_available ? &b_changed : NULL );
- if( analysis.b_direct_available )
- {
- if( b_changed )
- {
- x264_mb_mc( h );
- b_skip = x264_macroblock_probe_bskip( h );
- }
- h->stat.frame.i_direct_score[ h->sh.b_direct_spatial_mv_pred ] += b_skip;
- }
- else
- b_skip = 0;
- }
- }
- else
- analysis.b_direct_available = x264_mb_predict_mv_direct16x16( h, NULL );
- if( analysis.b_direct_available )
- {
- if( !h->mb.b_direct_auto_write )
- x264_mb_mc( h );
- if( analysis.i_mbrd )
- {
- i_bskip_cost = ssd_mb( h );
- /* 6 = minimum cavlc cost of a non-skipped MB */
- b_skip = h->mb.b_skip_mc = i_bskip_cost <= ((6 * analysis.i_lambda2 + 128) >> 8);
- }
- else if( !h->mb.b_direct_auto_write )
- {
- /* Conditioning the probe on neighboring block types
- * doesn't seem to help speed or quality. */
- b_skip = x264_macroblock_probe_bskip( h );
- }
- }
- if( !b_skip )
- {
- const unsigned int flags = h->param.analyse.inter;
- int i_type;
- int i_partition;
- int i_satd_inter;
- h->mb.b_skip_mc = 0;
- x264_mb_analyse_load_costs( h, &analysis );
- /* select best inter mode */
- /* direct must be first */
- if( analysis.b_direct_available )
- x264_mb_analyse_inter_direct( h, &analysis );
- x264_mb_analyse_inter_b16x16( h, &analysis );
- i_type = B_L0_L0;
- i_partition = D_16x16;
- i_cost = analysis.l0.me16x16.cost;
- COPY2_IF_LT( i_cost, analysis.l1.me16x16.cost, i_type, B_L1_L1 );
- COPY2_IF_LT( i_cost, analysis.i_cost16x16bi, i_type, B_BI_BI );
- COPY2_IF_LT( i_cost, analysis.i_cost16x16direct, i_type, B_DIRECT );
- if( analysis.i_mbrd && analysis.i_cost16x16direct <= i_cost * 33/32 )
- {
- x264_mb_analyse_b_rd( h, &analysis, i_cost );
- if( i_bskip_cost < analysis.i_rd16x16direct &&
- i_bskip_cost < analysis.i_rd16x16bi &&
- i_bskip_cost < analysis.l0.i_rd16x16 &&
- i_bskip_cost < analysis.l1.i_rd16x16 )
- {
- h->mb.i_type = B_SKIP;
- x264_analyse_update_cache( h, &analysis );
- return;
- }
- }
- if( flags & X264_ANALYSE_BSUB16x16 )
- {
- x264_mb_analyse_inter_b8x8( h, &analysis );
- if( analysis.i_cost8x8bi < i_cost )
- {
- i_type = B_8x8;
- i_partition = D_8x8;
- i_cost = analysis.i_cost8x8bi;
- if( h->mb.i_sub_partition[0] == h->mb.i_sub_partition[1] ||
- h->mb.i_sub_partition[2] == h->mb.i_sub_partition[3] )
- {
- x264_mb_analyse_inter_b16x8( h, &analysis );
- COPY3_IF_LT( i_cost, analysis.i_cost16x8bi,
- i_type, analysis.i_mb_type16x8,
- i_partition, D_16x8 );
- }
- if( h->mb.i_sub_partition[0] == h->mb.i_sub_partition[2] ||
- h->mb.i_sub_partition[1] == h->mb.i_sub_partition[3] )
- {
- x264_mb_analyse_inter_b8x16( h, &analysis );
- COPY3_IF_LT( i_cost, analysis.i_cost8x16bi,
- i_type, analysis.i_mb_type8x16,
- i_partition, D_8x16 );
- }
- }
- }
- if( analysis.i_mbrd )
- {
- /* refine later */
- }
- /* refine qpel */
- else if( i_partition == D_16x16 )
- {
- analysis.l0.me16x16.cost -= analysis.i_lambda * i_mb_b_cost_table[B_L0_L0];
- analysis.l1.me16x16.cost -= analysis.i_lambda * i_mb_b_cost_table[B_L1_L1];
- if( i_type == B_L0_L0 )
- {
- x264_me_refine_qpel( h, &analysis.l0.me16x16 );
- i_cost = analysis.l0.me16x16.cost
- + analysis.i_lambda * i_mb_b_cost_table[B_L0_L0];
- }
- else if( i_type == B_L1_L1 )
- {
- x264_me_refine_qpel( h, &analysis.l1.me16x16 );
- i_cost = analysis.l1.me16x16.cost
- + analysis.i_lambda * i_mb_b_cost_table[B_L1_L1];
- }
- else if( i_type == B_BI_BI )
- {
- x264_me_refine_qpel( h, &analysis.l0.me16x16 );
- x264_me_refine_qpel( h, &analysis.l1.me16x16 );
- }
- }
- else if( i_partition == D_16x8 )
- {
- for( i=0; i<2; i++ )
- {
- if( analysis.i_mb_partition16x8[i] != D_L1_8x8 )
- x264_me_refine_qpel( h, &analysis.l0.me16x8[i] );
- if( analysis.i_mb_partition16x8[i] != D_L0_8x8 )
- x264_me_refine_qpel( h, &analysis.l1.me16x8[i] );
- }
- }
- else if( i_partition == D_8x16 )
- {
- for( i=0; i<2; i++ )
- {
- if( analysis.i_mb_partition8x16[i] != D_L1_8x8 )
- x264_me_refine_qpel( h, &analysis.l0.me8x16[i] );
- if( analysis.i_mb_partition8x16[i] != D_L0_8x8 )
- x264_me_refine_qpel( h, &analysis.l1.me8x16[i] );
- }
- }
- else if( i_partition == D_8x8 )
- {
- for( i=0; i<4; i++ )
- {
- x264_me_t *m;
- int i_part_cost_old;
- int i_type_cost;
- int i_part_type = h->mb.i_sub_partition[i];
- int b_bidir = (i_part_type == D_BI_8x8);
- if( i_part_type == D_DIRECT_8x8 )
- continue;
- if( x264_mb_partition_listX_table[0][i_part_type] )
- {
- m = &analysis.l0.me8x8[i];
- i_part_cost_old = m->cost;
- i_type_cost = analysis.i_lambda * i_sub_mb_b_cost_table[D_L0_8x8];
- m->cost -= i_type_cost;
- x264_me_refine_qpel( h, m );
- if( !b_bidir )
- analysis.i_cost8x8bi += m->cost + i_type_cost - i_part_cost_old;
- }
- if( x264_mb_partition_listX_table[1][i_part_type] )
- {
- m = &analysis.l1.me8x8[i];
- i_part_cost_old = m->cost;
- i_type_cost = analysis.i_lambda * i_sub_mb_b_cost_table[D_L1_8x8];
- m->cost -= i_type_cost;
- x264_me_refine_qpel( h, m );
- if( !b_bidir )
- analysis.i_cost8x8bi += m->cost + i_type_cost - i_part_cost_old;
- }
- /* TODO: update mvp? */
- }
- }
- i_satd_inter = i_cost;
- if( analysis.i_mbrd )
- {
- x264_mb_analyse_b_rd( h, &analysis, i_satd_inter );
- i_type = B_SKIP;
- i_cost = i_bskip_cost;
- i_partition = D_16x16;
- COPY2_IF_LT( i_cost, analysis.l0.i_rd16x16, i_type, B_L0_L0 );
- COPY2_IF_LT( i_cost, analysis.l1.i_rd16x16, i_type, B_L1_L1 );
- COPY2_IF_LT( i_cost, analysis.i_rd16x16bi, i_type, B_BI_BI );
- COPY2_IF_LT( i_cost, analysis.i_rd16x16direct, i_type, B_DIRECT );
- COPY3_IF_LT( i_cost, analysis.i_rd16x8bi, i_type, analysis.i_mb_type16x8, i_partition, D_16x8 );
- COPY3_IF_LT( i_cost, analysis.i_rd8x16bi, i_type, analysis.i_mb_type8x16, i_partition, D_8x16 );
- COPY3_IF_LT( i_cost, analysis.i_rd8x8bi, i_type, B_8x8, i_partition, D_8x8 );
- h->mb.i_type = i_type;
- h->mb.i_partition = i_partition;
- }
- x264_mb_analyse_intra( h, &analysis, i_satd_inter );
- if( analysis.i_mbrd )
- {
- x264_mb_analyse_transform_rd( h, &analysis, &i_satd_inter, &i_cost );
- x264_intra_rd( h, &analysis, i_satd_inter * 17/16 );
- }
- COPY2_IF_LT( i_cost, analysis.i_satd_i16x16, i_type, I_16x16 );
- COPY2_IF_LT( i_cost, analysis.i_satd_i8x8, i_type, I_8x8 );
- COPY2_IF_LT( i_cost, analysis.i_satd_i4x4, i_type, I_4x4 );
- COPY2_IF_LT( i_cost, analysis.i_satd_pcm, i_type, I_PCM );
- h->mb.i_type = i_type;
- h->mb.i_partition = i_partition;
- if( analysis.i_mbrd >= 2 && IS_INTRA( i_type ) && i_type != I_PCM )
- x264_intra_rd_refine( h, &analysis );
- if( h->mb.i_subpel_refine >= 5 )
- x264_refine_bidir( h, &analysis );
- if( analysis.i_mbrd >= 2 && i_type > B_DIRECT && i_type < B_SKIP )
- {
- const int i_biweight = h->mb.bipred_weight[analysis.l0.i_ref][analysis.l1.i_ref];
- x264_analyse_update_cache( h, &analysis );
- if( i_partition == D_16x16 )
- {
- if( i_type == B_L0_L0 )
- {
- analysis.l0.me16x16.cost = i_cost;
- x264_me_refine_qpel_rd( h, &analysis.l0.me16x16, analysis.i_lambda2, 0, 0 );
- }
- else if( i_type == B_L1_L1 )
- {
- analysis.l1.me16x16.cost = i_cost;
- x264_me_refine_qpel_rd( h, &analysis.l1.me16x16, analysis.i_lambda2, 0, 1 );
- }
- else if( i_type == B_BI_BI )
- x264_me_refine_bidir_rd( h, &analysis.l0.me16x16, &analysis.l1.me16x16, i_biweight, 0, analysis.i_lambda2 );
- }
- else if( i_partition == D_16x8 )
- {
- for( i = 0; i < 2; i++ )
- {
- h->mb.i_sub_partition[i*2] = h->mb.i_sub_partition[i*2+1] = analysis.i_mb_partition16x8[i];
- if( analysis.i_mb_partition16x8[i] == D_L0_8x8 )
- x264_me_refine_qpel_rd( h, &analysis.l0.me16x8[i], analysis.i_lambda2, i*8, 0 );
- else if( analysis.i_mb_partition16x8[i] == D_L1_8x8 )
- x264_me_refine_qpel_rd( h, &analysis.l1.me16x8[i], analysis.i_lambda2, i*8, 1 );
- else if( analysis.i_mb_partition16x8[i] == D_BI_8x8 )
- x264_me_refine_bidir_rd( h, &analysis.l0.me16x8[i], &analysis.l1.me16x8[i], i_biweight, i*2, analysis.i_lambda2 );
- }
- }
- else if( i_partition == D_8x16 )
- {
- for( i = 0; i < 2; i++ )
- {
- h->mb.i_sub_partition[i] = h->mb.i_sub_partition[i+2] = analysis.i_mb_partition8x16[i];
- if( analysis.i_mb_partition8x16[i] == D_L0_8x8 )
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x16[i], analysis.i_lambda2, i*4, 0 );
- else if( analysis.i_mb_partition8x16[i] == D_L1_8x8 )
- x264_me_refine_qpel_rd( h, &analysis.l1.me8x16[i], analysis.i_lambda2, i*4, 1 );
- else if( analysis.i_mb_partition8x16[i] == D_BI_8x8 )
- x264_me_refine_bidir_rd( h, &analysis.l0.me8x16[i], &analysis.l1.me8x16[i], i_biweight, i, analysis.i_lambda2 );
- }
- }
- else if( i_partition == D_8x8 )
- {
- for( i = 0; i < 4; i++ )
- {
- if( h->mb.i_sub_partition[i] == D_L0_8x8 )
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x8[i], analysis.i_lambda2, i*4, 0 );
- else if( h->mb.i_sub_partition[i] == D_L1_8x8 )
- x264_me_refine_qpel_rd( h, &analysis.l1.me8x8[i], analysis.i_lambda2, i*4, 1 );
- else if( h->mb.i_sub_partition[i] == D_BI_8x8 )
- x264_me_refine_bidir_rd( h, &analysis.l0.me8x8[i], &analysis.l1.me8x8[i], i_biweight, i, analysis.i_lambda2 );
- }
- }
- }
- }
- }
- x264_analyse_update_cache( h, &analysis );
- /* In rare cases we can end up qpel-RDing our way back to a larger partition size
- * without realizing it. Check for this and account for it if necessary. */
- if( analysis.i_mbrd >= 2 )
- {
- /* Don't bother with bipred or 8x8-and-below, the odds are incredibly low. */
- //C不支持这种数组赋值 --@lia
- static /*const*/ uint8_t check_mv_lists[X264_MBTYPE_MAX] = {0};//{[P_L0]=1, [B_L0_L0]=1, [B_L1_L1]=2};
- int list = check_mv_lists[h->mb.i_type] - 1;
- //C不支持这种数组赋值 --@lia
- check_mv_lists[4]=1;
- check_mv_lists[8]=1;
- check_mv_lists[12]=2;
- if( list >= 0 && h->mb.i_partition != D_16x16 &&
- *(uint32_t*)&h->mb.cache.mv[list][x264_scan8[0]] == *(uint32_t*)&h->mb.cache.mv[list][x264_scan8[12]] &&
- h->mb.cache.ref[list][x264_scan8[0]] == h->mb.cache.ref[list][x264_scan8[12]] )
- h->mb.i_partition = D_16x16;
- }
- if( !analysis.i_mbrd )
- x264_mb_analyse_transform( h );
- if( analysis.i_mbrd == 3 && !IS_SKIP(h->mb.i_type) )
- x264_mb_analyse_qp_rd( h, &analysis );
- h->mb.b_trellis = h->param.analyse.i_trellis;
- h->mb.b_noise_reduction = !!h->param.analyse.i_noise_reduction;
- if( !IS_SKIP(h->mb.i_type) && h->mb.i_psy_trellis && h->param.analyse.i_trellis == 1 )
- x264_psy_trellis_init( h, 0 );
- if( h->mb.b_trellis == 1 || h->mb.b_noise_reduction )
- h->mb.i_skip_intra = 0;
- }
- /*-------------------- Update MB from the analysis ----------------------*/
- static void x264_analyse_update_cache( x264_t *h, x264_mb_analysis_t *a )
- {
- int i;
- switch( h->mb.i_type )
- {
- case I_4x4:
- for( i = 0; i < 16; i++ )
- h->mb.cache.intra4x4_pred_mode[x264_scan8[i]] = a->i_predict4x4[i];
- x264_mb_analyse_intra_chroma( h, a );
- break;
- case I_8x8:
- for( i = 0; i < 4; i++ )
- x264_macroblock_cache_intra8x8_pred( h, 2*(i&1), 2*(i>>1), a->i_predict8x8[i] );
- x264_mb_analyse_intra_chroma( h, a );
- break;
- case I_16x16:
- h->mb.i_intra16x16_pred_mode = a->i_predict16x16;
- x264_mb_analyse_intra_chroma( h, a );
- break;
- case I_PCM:
- break;
- case P_L0:
- switch( h->mb.i_partition )
- {
- case D_16x16:
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.me16x16.i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv );
- break;
- case D_16x8:
- x264_macroblock_cache_ref( h, 0, 0, 4, 2, 0, a->l0.me16x8[0].i_ref );
- x264_macroblock_cache_ref( h, 0, 2, 4, 2, 0, a->l0.me16x8[1].i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 2, 0, a->l0.me16x8[0].mv );
- x264_macroblock_cache_mv_ptr( h, 0, 2, 4, 2, 0, a->l0.me16x8[1].mv );
- break;
- case D_8x16:
- x264_macroblock_cache_ref( h, 0, 0, 2, 4, 0, a->l0.me8x16[0].i_ref );
- x264_macroblock_cache_ref( h, 2, 0, 2, 4, 0, a->l0.me8x16[1].i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 2, 4, 0, a->l0.me8x16[0].mv );
- x264_macroblock_cache_mv_ptr( h, 2, 0, 2, 4, 0, a->l0.me8x16[1].mv );
- break;
- default:
- x264_log( h, X264_LOG_ERROR, "internal error P_L0 and partition=%dn", h->mb.i_partition );
- break;
- }
- break;
- case P_8x8:
- x264_macroblock_cache_ref( h, 0, 0, 2, 2, 0, a->l0.me8x8[0].i_ref );
- x264_macroblock_cache_ref( h, 2, 0, 2, 2, 0, a->l0.me8x8[1].i_ref );
- x264_macroblock_cache_ref( h, 0, 2, 2, 2, 0, a->l0.me8x8[2].i_ref );
- x264_macroblock_cache_ref( h, 2, 2, 2, 2, 0, a->l0.me8x8[3].i_ref );
- for( i = 0; i < 4; i++ )
- x264_mb_cache_mv_p8x8( h, a, i );
- break;
- case P_SKIP:
- {
- h->mb.i_partition = D_16x16;
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, 0 );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 0, h->mb.cache.pskip_mv );
- break;
- }
- case B_SKIP:
- case B_DIRECT:
- x264_mb_load_mv_direct8x8( h, 0 );
- x264_mb_load_mv_direct8x8( h, 1 );
- x264_mb_load_mv_direct8x8( h, 2 );
- x264_mb_load_mv_direct8x8( h, 3 );
- break;
- case B_8x8:
- /* optimize: cache might not need to be rewritten */
- for( i = 0; i < 4; i++ )
- x264_mb_cache_mv_b8x8( h, a, i, 1 );
- break;
- default: /* the rest of the B types */
- switch( h->mb.i_partition )
- {
- case D_16x16:
- switch( h->mb.i_type )
- {
- case B_L0_L0:
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv );
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, -1 );
- x264_macroblock_cache_mv ( h, 0, 0, 4, 4, 1, 0 );
- x264_macroblock_cache_mvd( h, 0, 0, 4, 4, 1, 0 );
- break;
- case B_L1_L1:
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, -1 );
- x264_macroblock_cache_mv ( h, 0, 0, 4, 4, 0, 0 );
- x264_macroblock_cache_mvd( h, 0, 0, 4, 4, 0, 0 );
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, a->l1.i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 1, a->l1.me16x16.mv );
- break;
- case B_BI_BI:
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv );
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, a->l1.i_ref );
- x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 1, a->l1.me16x16.mv );
- break;
- }
- break;
- case D_16x8:
- x264_mb_cache_mv_b16x8( h, a, 0, 1 );
- x264_mb_cache_mv_b16x8( h, a, 1, 1 );
- break;
- case D_8x16:
- x264_mb_cache_mv_b8x16( h, a, 0, 1 );
- x264_mb_cache_mv_b8x16( h, a, 1, 1 );
- break;
- default:
- x264_log( h, X264_LOG_ERROR, "internal error (invalid MB type)n" );
- break;
- }
- }
- #ifndef NDEBUG
- if( h->param.i_threads > 1 && !IS_INTRA(h->mb.i_type) )
- {
- int l;
- for( l=0; l <= (h->sh.i_type == SLICE_TYPE_B); l++ )
- {
- int completed;
- int ref = h->mb.cache.ref[l][x264_scan8[0]];
- if( ref < 0 )
- continue;
- completed = (l ? h->fref1 : h->fref0)[ ref >> h->mb.b_interlaced ]->i_lines_completed;
- if( (h->mb.cache.mv[l][x264_scan8[15]][1] >> (2 - h->mb.b_interlaced)) + h->mb.i_mb_y*16 > completed )
- {
- x264_log( h, X264_LOG_WARNING, "internal error (MV out of thread range)n");
- fprintf(stderr, "mb type: %d n", h->mb.i_type);
- fprintf(stderr, "mv: l%dr%d (%d,%d) n", l, ref,
- h->mb.cache.mv[l][x264_scan8[15]][0],
- h->mb.cache.mv[l][x264_scan8[15]][1] );
- fprintf(stderr, "limit: %d n", h->mb.mv_max_spel[1]);
- fprintf(stderr, "mb_xy: %d,%d n", h->mb.i_mb_x, h->mb.i_mb_y);
- fprintf(stderr, "completed: %d n", completed );
- x264_log( h, X264_LOG_WARNING, "recovering by using intra moden");
- x264_mb_analyse_intra( h, a, COST_MAX );
- h->mb.i_type = I_16x16;
- h->mb.i_intra16x16_pred_mode = a->i_predict16x16;
- x264_mb_analyse_intra_chroma( h, a );
- }
- }
- }
- #endif
- }
- #include "slicetype.c"