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JD2022-TU1/main/extern/Camcam/LIBS/X264 - Lib/encoder/analyse.c

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/*****************************************************************************
* analyse.c: h264 encoder library
*****************************************************************************
* Copyright (C) 2003 x264 project
* $Id: analyse.c,v 1.1 2004/06/03 19:27:08 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
*
* This program is CC_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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <limits.h>
#include "common/common.h"
#include "macroblock.h"
#include "me.h"
#include "ratecontrol.h"
#include "analyse.h"
#include "rdo.c"
typedef struct
{
/* 16x16 */
int i_ref;
int i_rd16x16;
x264_me_t me16x16;
/* 8x8 */
int i_cost8x8;
int mvc[16][5][2]; /* [ref][0] is 16x16 mv,
[ref][1..4] are 8x8 mv from partition [0..3] */
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;
int16_t *p_cost_mv;
int b_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_satd_i8x8_dir[12][4];
int i_predict8x8[4];
int i_satd_i4x4;
int i_predict4x4[16];
/* Chroma part */
int i_satd_i8x8chroma;
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) */
static const int i_qp0_cost_table[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 */
};
/* pow(lambda,2) * .9 */
static const int i_qp0_cost2_table[52] = {
1, 1, 1, 1, 1, 1, /* 0-5 */
1, 1, 1, 1, 1, 1, /* 6-11 */
1, 1, 1, 2, 2, 3, /* 12-17 */
4, 5, 6, 7, 9, 11, /* 18-23 */
14, 18, 23, 29, 36, 46, /* 24-29 */
58, 73, 91, 115, 145, 183, /* 30-35 */
230, 290, 366, 461, 581, 731, /* 36-41 */
922,1161,1463,1843,2322,2926, /* 42-47 */
3686,4645,5852,7373
};
/* 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 int16_t *p_cost_mv[52];
/* 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 )
{
if( !p_cost_mv[a->i_qp] )
{
/* could be faster, but isn't called many times */
/* factor of 4 from qpel, 2 from sign, and 2 because mv can be opposite from mvp */
int i;
p_cost_mv[a->i_qp] = x264_malloc( (4*4*2048 + 1) * sizeof(int16_t) );
p_cost_mv[a->i_qp] += 2*4*2048;
for( i = 0; i <= 2*4*2048; i++ )
{
p_cost_mv[a->i_qp][-i] =
p_cost_mv[a->i_qp][i] = a->i_lambda * bs_size_se( i );
}
}
a->p_cost_mv = p_cost_mv[a->i_qp];
}
void x264_mb_analyse_open()
{
memset( p_cost_mv, 0, sizeof (p_cost_mv) );
}
void x264_mb_analyse_end()
{
int i;
for ( i = 0; i < 52; i++)
{
if (p_cost_mv[ i ] )
x264_free( p_cost_mv[ i ] - 2*4*2048 );
p_cost_mv[ i ] = 0;
}
}
static void x264_mb_analyse_init( x264_t *h, x264_mb_analysis_t *a, int i_qp )
{
memset( a, 0, sizeof( x264_mb_analysis_t ) );
/* conduct the analysis using this lamda and QP */
a->i_qp = h->mb.i_qp = i_qp;
a->i_lambda = i_qp0_cost_table[i_qp];
a->i_lambda2 = i_qp0_cost2_table[i_qp];
a->b_mbrd = h->param.analyse.i_subpel_refine >= 6 &&
( h->sh.i_type != SLICE_TYPE_B || h->param.analyse.b_bframe_rdo );
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_trellis = h->param.analyse.i_trellis > 1 && a->b_mbrd;
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;
a->b_fast_intra = 0;
/* II: Inter part P/B frame */
if( h->sh.i_type != SLICE_TYPE_I )
{
int i;
int i_fmv_range = h->param.analyse.i_mv_range - 16;
/* Calculate max allowed MV range */
#define CLIP_FMV(mv) x264_clip3( mv, -i_fmv_range, i_fmv_range )
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_fpel[0] = CLIP_FMV( -16*h->mb.i_mb_x - 8 );
h->mb.mv_max_fpel[0] = CLIP_FMV( 16*( h->sps->i_mb_width - h->mb.i_mb_x - 1 ) + 8 );
h->mb.mv_min_spel[0] = 4*( h->mb.mv_min_fpel[0] - 16 );
h->mb.mv_max_spel[0] = 4*( h->mb.mv_max_fpel[0] + 16 );
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;
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_fpel[1] = CLIP_FMV( -16*mb_y - 8 );
h->mb.mv_max_fpel[1] = CLIP_FMV( 16*( mb_height - mb_y - 1 ) + 8 );
h->mb.mv_min_spel[1] = 4*( h->mb.mv_min_fpel[1] - 16 );
h->mb.mv_max_spel[1] = 4*( h->mb.mv_max_fpel[1] + 16 );
}
#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;
}
}
}
}
/*
* Handle intra mb
*/
/* Max = 4 */
static void predict_16x16_mode_available( unsigned int i_neighbour, int *mode, int *pi_count )
{
if( i_neighbour & MB_TOPLEFT )
{
/* top and left available */
*mode++ = I_PRED_16x16_V;
*mode++ = I_PRED_16x16_H;
*mode++ = I_PRED_16x16_DC;
*mode++ = I_PRED_16x16_P;
*pi_count = 4;
}
else if( i_neighbour & MB_LEFT )
{
/* left available*/
*mode++ = I_PRED_16x16_DC_LEFT;
*mode++ = I_PRED_16x16_H;
*pi_count = 2;
}
else if( i_neighbour & MB_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 )
{
if( i_neighbour & MB_TOPLEFT )
{
/* top and left available */
*mode++ = I_PRED_CHROMA_V;
*mode++ = I_PRED_CHROMA_H;
*mode++ = I_PRED_CHROMA_DC;
*mode++ = I_PRED_CHROMA_P;
*pi_count = 4;
}
else if( i_neighbour & MB_LEFT )
{
/* left available*/
*mode++ = I_PRED_CHROMA_DC_LEFT;
*mode++ = I_PRED_CHROMA_H;
*pi_count = 2;
}
else if( i_neighbour & MB_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_l = i_neighbour & MB_LEFT;
int b_t = i_neighbour & MB_TOP;
if( b_l && b_t )
{
*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_l )
{
*mode++ = I_PRED_4x4_DC_LEFT;
*mode++ = I_PRED_4x4_H;
*mode++ = I_PRED_4x4_HU;
*pi_count = 3;
}
else if( b_t )
{
*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;
}
}
static void x264_mb_analyse_intra_chroma( x264_t *h, x264_mb_analysis_t *a )
{
int i;
int i_max;
int predict_mode[4];
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, predict_mode, &i_max );
a->i_satd_i8x8chroma = COST_MAX;
if( i_max == 4 && h->pixf.intra_satd_x3_8x8c && h->pixf.mbcmp[0] == h->pixf.satd[0] )
{
int satdu[4], satdv[4];
h->pixf.intra_satd_x3_8x8c( p_srcc[0], p_dstc[0], satdu );
h->pixf.intra_satd_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);
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 */
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] );
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_satd_x3_16x16 && h->pixf.mbcmp[0] == h->pixf.satd[0];
/*---------------- Try all mode and calculate their score ---------------*/
/* 16x16 prediction selection */
predict_16x16_mode_available( h->mb.i_neighbour, predict_mode, &i_max );
if( b_merged_satd && i_max == 4 )
{
h->pixf.intra_satd_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];
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 )
{
DECLARE_ALIGNED( uint8_t, edge[33], 8 );
x264_pixel_cmp_t sa8d = (*h->pixf.mbcmp == *h->pixf.sad) ? h->pixf.sad[PIXEL_8x8] : h->pixf.sa8d[PIXEL_8x8];
int i_satd_thresh = a->b_mbrd ? COST_MAX : X264_MIN( i_satd_inter, a->i_satd_i16x16 );
int i_cost = 0;
b_merged_satd = h->pixf.intra_sa8d_x3_8x8 && h->pixf.mbcmp[0] == h->pixf.satd[0];
// 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 );
x264_predict_8x8_filter( p_dst_by, edge, h->mb.i_neighbour8[idx], ALL_NEIGHBORS );
if( b_merged_satd && i_max == 9 )
{
int satd[3];
h->pixf.intra_sa8d_x3_8x8( p_src_by, edge, satd );
if( i_pred_mode < 3 )
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];
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;
else
{
a->i_satd_i8x8 = COST_MAX;
i_cost = i_cost * 4/(idx+1);
}
if( X264_MIN(i_cost, a->i_satd_i16x16) > i_satd_inter*(5+a->b_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 );
b_merged_satd = h->pixf.intra_satd_x3_4x4 && h->pixf.mbcmp[0] == h->pixf.satd[0];
if( a->b_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++ )
{
int x = block_idx_x[idx];
int y = block_idx_y[idx];
uint8_t *p_src_by = p_src + 4*x + 4*y*FENC_STRIDE;
uint8_t *p_dst_by = p_dst + 4*x + 4*y*FDEC_STRIDE;
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[3];
h->pixf.intra_satd_x3_4x4( p_src_by, p_dst_by, satd );
if( i_pred_mode < 3 )
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];
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;
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 );
}
else
a->i_satd_i8x8 = COST_MAX;
}
static void x264_intra_rd_refine( x264_t *h, x264_mb_analysis_t *a )
{
uint8_t *p_src = h->mb.pic.p_fenc[0];
uint8_t *p_dst = h->mb.pic.p_fdec[0];
int i, idx, x, y;
int i_max, i_satd, i_best, i_mode;
int i_pred_mode;
int predict_mode[9];
if( h->mb.i_type == I_16x16 )
{
int old_pred_mode = a->i_predict16x16;
int 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, 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 );
}
}
else 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_src_by;
uint8_t *p_dst_by;
i_best = COST_MAX;
i_pred_mode = x264_mb_predict_intra4x4_mode( h, idx );
x = block_idx_x[idx];
y = block_idx_y[idx];
p_src_by = p_src + 4*x + 4*y*FENC_STRIDE;
p_dst_by = p_dst + 4*x + 4*y*FDEC_STRIDE;
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];
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 )
{
DECLARE_ALIGNED( uint8_t, edge[33], 8 );
for( idx = 0; idx < 4; idx++ )
{
uint64_t pels_h = 0;
uint8_t pels_v[7];
int i_nnz[3];
uint8_t *p_src_by;
uint8_t *p_dst_by;
int j;
int i_thresh = a->i_satd_i8x8_dir[a->i_predict8x8[idx]][idx] * 11/8;
i_best = COST_MAX;
i_pred_mode = x264_mb_predict_intra4x4_mode( h, 4*idx );
x = idx&1;
y = idx>>1;
p_src_by = p_src + 8*x + 8*y*FENC_STRIDE;
p_dst_by = p_dst + 8*x + 8*y*FDEC_STRIDE;
predict_4x4_mode_available( h->mb.i_neighbour8[idx], predict_mode, &i_max );
x264_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;
h->predict_8x8[i_mode]( p_dst_by, edge );
i_satd = x264_rd_cost_i8x8( h, a->i_lambda2, idx, i_mode );
if( i_best > i_satd )
{
a->i_predict8x8[idx] = i_mode;
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];
for( j=0; j<3; j++ )
i_nnz[j] = h->mb.cache.non_zero_count[x264_scan8[4*idx+j+1]];
}
}
*(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];
for( j=0; j<3; j++ )
h->mb.cache.non_zero_count[x264_scan8[4*idx+j+1]] = i_nnz[j];
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->i_lambda * bs_size_te( h->sh.i_num_ref_idx_l##list##_active - 1, ref ))
static void x264_mb_analyse_inter_p16x16( x264_t *h, x264_mb_analysis_t *a )
{
x264_me_t m;
int i_ref;
int mvc[7][2], i_mvc;
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 );
return;
}
m.cost += i_ref_cost;
i_halfpel_thresh += i_ref_cost;
if( m.cost < a->l0.me16x16.cost )
a->l0.me16x16 = m;
/* save mv for predicting neighbors */
a->l0.mvc[i_ref][0][0] =
h->mb.mvr[0][i_ref][h->mb.i_mb_xy][0] = m.mv[0];
a->l0.mvc[i_ref][0][1] =
h->mb.mvr[0][i_ref][h->mb.i_mb_xy][1] = m.mv[1];
}
x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.me16x16.i_ref );
h->mb.i_type = P_L0;
if( a->b_mbrd && a->l0.i_ref == 0
&& a->l0.me16x16.mv[0] == h->mb.cache.pskip_mv[0]
&& a->l0.me16x16.mv[1] == h->mb.cache.pskip_mv[1] )
{
h->mb.i_partition = D_16x16;
x264_macroblock_cache_mv( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv[0], a->l0.me16x16.mv[1] );
a->l0.i_rd16x16 = x264_rd_cost_mb( h, a->i_lambda2 );
}
}
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++ )
{
a->l0.mvc[i_ref][0][0] = h->mb.mvr[0][i_ref][h->mb.i_mb_xy][0];
a->l0.mvc[i_ref][0][1] = h->mb.mvr[0][i_ref][h->mb.i_mb_xy][1];
}
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;
*(uint64_t*)a->l0.mvc[i_ref][i+1] = *(uint64_t*)m.mv;
if( m.cost < l0m->cost )
*l0m = m;
}
x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, l0m->mv[0], l0m->mv[1] );
x264_macroblock_cache_ref( h, 2*x8, 2*y8, 2, 2, 0, l0m->i_ref );
/* mb type cost */
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;
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 = REF_COST( 0, i_ref );
uint8_t **p_fref = h->mb.pic.p_fref[0][i_ref];
uint8_t **p_fenc = h->mb.pic.p_fenc;
int i_mvc;
int (*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;
*(uint64_t*)mvc[0] = *(uint64_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( h, 2*x8, 2*y8, 2, 2, 0, m->mv[0], m->mv[1] );
*(uint64_t*)mvc[i_mvc] = *(uint64_t*)m->mv;
i_mvc++;
/* mb type cost */
m->cost += i_ref_cost;
m->cost += a->i_lambda * i_sub_mb_p_cost_table[D_L0_8x8];
}
/* theoretically this should include 4*ref_cost,
* but 3 seems a better approximation of cabac. */
a->l0.i_cost8x8 = a->l0.me8x8[0].cost + a->l0.me8x8[1].cost +
a->l0.me8x8[2].cost + a->l0.me8x8[3].cost -
REF_COST( 0, a->l0.me16x16.i_ref );
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;
int 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... */
*(uint64_t*)mvc[0] = *(uint64_t*)a->l0.mvc[i_ref][0];
*(uint64_t*)mvc[1] = *(uint64_t*)a->l0.mvc[i_ref][2*i+1];
*(uint64_t*)mvc[2] = *(uint64_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 )
*l0m = m;
}
x264_macroblock_cache_mv( h, 0, 2*i, 4, 2, 0, l0m->mv[0], l0m->mv[1] );
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;
int 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;
*(uint64_t*)mvc[0] = *(uint64_t*)a->l0.mvc[i_ref][0];
*(uint64_t*)mvc[1] = *(uint64_t*)a->l0.mvc[i_ref][i+1];
*(uint64_t*)mvc[2] = *(uint64_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 )
*l0m = m;
}
x264_macroblock_cache_mv( h, 2*i, 0, 2, 4, 0, l0m->mv[0], l0m->mv[1] );
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 )
{
DECLARE_ALIGNED( uint8_t, pix1[16*8], 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( &p_fref[4][or+x+y*i_stride], i_stride, &pix1[x+y*16], 16, (me).mv[0], (me).mv[1], width, height ); \
h->mc.mc_chroma( &p_fref[5][or+x+y*i_stride], i_stride, &pix2[x+y*16], 16, (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], 0,2 );
CHROMA4x4MC( 2,2, a->l0.me4x4[i8x8][2], 2,0 );
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( h, x4, y4, 1, 1, 0, m->mv[0], m->mv[1] );
}
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( h, x4, y4, 2, 1, 0, m->mv[0], m->mv[1] );
}
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( h, x4, y4, 1, 2, 0, m->mv[0], m->mv[1] );
}
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, pix1, stride1, src2, stride2 ) \
{ \
if( h->param.analyse.b_weighted_bipred ) \
h->mc.avg_weight[size]( pix1, stride1, src2, stride2, \
h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref] ); \
else \
h->mc.avg[size]( pix1, stride1, src2, stride2 ); \
}
static void x264_mb_analyse_inter_b16x16( x264_t *h, x264_mb_analysis_t *a )
{
uint8_t pix1[16*16], pix2[16*16];
uint8_t *src2;
int stride2 = 16;
int weight;
x264_me_t m;
int i_ref;
int mvc[8][2], i_mvc;
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;
a->l0.me16x16 = m;
}
/* save mv for predicting neighbors */
h->mb.mvr[0][i_ref][h->mb.i_mb_xy][0] = m.mv[0];
h->mb.mvr[0][i_ref][h->mb.i_mb_xy][1] = m.mv[1];
}
/* 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;
a->l1.me16x16 = m;
}
/* save mv for predicting neighbors */
h->mb.mvr[1][i_ref][h->mb.i_mb_xy][0] = m.mv[0];
h->mb.mvr[1][i_ref][h->mb.i_mb_xy][1] = m.mv[1];
}
/* 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 */
weight = h->mb.bipred_weight[a->l0.i_ref][a->l1.i_ref];
if ( ((a->l0.me16x16.mv[0] | a->l0.me16x16.mv[1]) & 1) == 0 )
{
/* l0 reference is halfpel, so get_ref on it will make it faster */
src2 = h->mc.get_ref( h->mb.pic.p_fref[0][a->l0.i_ref], h->mb.pic.i_stride[0],
pix2, &stride2,
a->l0.me16x16.mv[0], a->l0.me16x16.mv[1],
16, 16 );
h->mc.mc_luma( h->mb.pic.p_fref[1][a->l1.i_ref], h->mb.pic.i_stride[0],
pix1, 16,
a->l1.me16x16.mv[0], a->l1.me16x16.mv[1],
16, 16 );
weight = 64 - weight;
}
else
{
/* if l0 was qpel, we'll use get_ref on l1 instead */
h->mc.mc_luma( h->mb.pic.p_fref[0][a->l0.i_ref], h->mb.pic.i_stride[0],
pix1, 16,
a->l0.me16x16.mv[0], a->l0.me16x16.mv[1],
16, 16 );
src2 = h->mc.get_ref( h->mb.pic.p_fref[1][a->l1.i_ref], h->mb.pic.i_stride[0],
pix2, &stride2,
a->l1.me16x16.mv[0], a->l1.me16x16.mv[1],
16, 16 );
}
if( h->param.analyse.b_weighted_bipred )
h->mc.avg_weight[PIXEL_16x16]( pix1, 16, src2, stride2, weight );
else
h->mc.avg[PIXEL_16x16]( pix1, 16, src2, stride2 );
a->i_cost16x16bi = h->pixf.mbcmp[PIXEL_16x16]( h->mb.pic.p_fenc[0], FENC_STRIDE, pix1, 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( h, x, y, 2, 2, 0, a->l0.me8x8[i].mv[0], a->l0.me8x8[i].mv[1] );
break;
case D_L0_8x4:
x264_macroblock_cache_mv( h, x, y+0, 2, 1, 0, a->l0.me8x4[i][0].mv[0], a->l0.me8x4[i][0].mv[1] );
x264_macroblock_cache_mv( h, x, y+1, 2, 1, 0, a->l0.me8x4[i][1].mv[0], a->l0.me8x4[i][1].mv[1] );
break;
case D_L0_4x8:
x264_macroblock_cache_mv( h, x+0, y, 1, 2, 0, a->l0.me4x8[i][0].mv[0], a->l0.me4x8[i][0].mv[1] );
x264_macroblock_cache_mv( h, x+1, y, 1, 2, 0, a->l0.me4x8[i][1].mv[0], a->l0.me4x8[i][1].mv[1] );
break;
case D_L0_4x4:
x264_macroblock_cache_mv( h, x+0, y+0, 1, 1, 0, a->l0.me4x4[i][0].mv[0], a->l0.me4x4[i][0].mv[1] );
x264_macroblock_cache_mv( h, x+1, y+0, 1, 1, 0, a->l0.me4x4[i][1].mv[0], a->l0.me4x4[i][1].mv[1] );
x264_macroblock_cache_mv( h, x+0, y+1, 1, 1, 0, a->l0.me4x4[i][2].mv[0], a->l0.me4x4[i][2].mv[1] );
x264_macroblock_cache_mv( h, x+1, y+1, 1, 1, 0, a->l0.me4x4[i][3].mv[0], a->l0.me4x4[i][3].mv[1] );
break;
default:
x264_log( h, X264_LOG_ERROR, "internal error\n" );
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( h, x,y,dx,dy, 0, me0.mv[0], me0.mv[1] ); \
} \
else \
{ \
x264_macroblock_cache_ref( h, x,y,dx,dy, 0, -1 ); \
x264_macroblock_cache_mv( h, x,y,dx,dy, 0, 0, 0 ); \
if( b_mvd ) \
x264_macroblock_cache_mvd( h, x,y,dx,dy, 0, 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( h, x,y,dx,dy, 1, me1.mv[0], me1.mv[1] ); \
} \
else \
{ \
x264_macroblock_cache_ref( h, x,y,dx,dy, 1, -1 ); \
x264_macroblock_cache_mv( h, x,y,dx,dy, 1, 0, 0 ); \
if( b_mvd ) \
x264_macroblock_cache_mvd( h, x,y,dx,dy, 1, 0, 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, 0 );
x264_macroblock_cache_mvd( h, x, y, 2, 2, 1, 0, 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] };
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;
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( h, 2*x8, 2*y8, 2, 2, l, m->mv[0], m->mv[1] );
/* BI mode */
h->mc.mc_luma( m->p_fref, m->i_stride[0], pix[l], 8,
m->mv[0], m->mv[1], 8, 8 );
i_part_cost_bi += m->cost_mv;
/* FIXME: ref cost */
}
WEIGHTED_AVG( PIXEL_8x8, pix[0], 8, pix[1], 8 );
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] };
DECLARE_ALIGNED( uint8_t, pix[2][16*8], 16 );
int 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;
/* 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 );
mvc[0][0] = lX->me8x8[2*i].mv[0];
mvc[0][1] = lX->me8x8[2*i].mv[1];
mvc[1][0] = lX->me8x8[2*i+1].mv[0];
mvc[1][1] = lX->me8x8[2*i+1].mv[1];
x264_mb_predict_mv( h, 0, 8*i, 2, m->mvp );
x264_me_search( h, m, mvc, 2 );
/* BI mode */
h->mc.mc_luma( m->p_fref, m->i_stride[0], pix[l], 16,
m->mv[0], m->mv[1], 16, 8 );
/* FIXME: ref cost */
i_part_cost_bi += m->cost_mv;
}
WEIGHTED_AVG( PIXEL_16x8, pix[0], 16, pix[1], 16 );
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] };
uint8_t pix[2][8*16];
int 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;
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 );
mvc[0][0] = lX->me8x8[i].mv[0];
mvc[0][1] = lX->me8x8[i].mv[1];
mvc[1][0] = lX->me8x8[i+2].mv[0];
mvc[1][1] = lX->me8x8[i+2].mv[1];
x264_mb_predict_mv( h, 0, 4*i, 2, m->mvp );
x264_me_search( h, m, mvc, 2 );
/* BI mode */
h->mc.mc_luma( m->p_fref, m->i_stride[0], pix[l], 8,
m->mv[0], m->mv[1], 8, 16 );
/* FIXME: ref cost */
i_part_cost_bi += m->cost_mv;
}
WEIGHTED_AVG( PIXEL_8x16, pix[0], 8, pix[1], 8 );
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 );
}
a->l0.me16x16.cost = a->l0.i_rd16x16;
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;
x264_analyse_update_cache( h, a );
a->l0.i_cost8x8 = x264_rd_cost_mb( h, a->i_lambda2 );
if( h->param.analyse.inter & X264_ANALYSE_PSUB8x8 )
{
/* FIXME: RD per subpartition */
int part_bak[4];
int i, i_cost;
int b_sub8x8 = 0;
for( i=0; i<4; i++ )
{
part_bak[i] = h->mb.i_sub_partition[i];
b_sub8x8 |= (part_bak[i] != D_L0_8x8);
}
if( b_sub8x8 )
{
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;
i_cost = x264_rd_cost_mb( h, a->i_lambda2 );
if( a->l0.i_cost8x8 < i_cost )
{
for( i=0; i<4; i++ )
h->mb.i_sub_partition[i] = part_bak[i];
}
else
a->l0.i_cost8x8 = i_cost;
}
}
}
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 * 17/16;
if( a->b_direct_available && a->i_rd16x16direct == COST_MAX )
{
h->mb.i_type = B_DIRECT;
x264_analyse_update_cache( h, a );
a->i_rd16x16direct = x264_rd_cost_mb( h, a->i_lambda2 );
}
//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 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;
switch( h->mb.i_partition )
{
case D_16x16:
if( h->mb.i_type == B_BI_BI )
x264_me_refine_bidir( 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( 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( 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( h, &a->l0.me8x8[i], &a->l1.me8x8[i], i_biweight );
break;
}
}
static inline void x264_mb_analyse_transform( x264_t *h )
{
h->mb.cache.b_transform_8x8_allowed =
h->pps->b_transform_8x8_mode
&& !IS_INTRA( h->mb.i_type ) && x264_mb_transform_8x8_allowed( h );
if( h->mb.cache.b_transform_8x8_allowed && h->param.analyse.b_transform_8x8 )
{
int i_cost4, i_cost8;
/* FIXME only luma mc is needed */
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;
}
}
static inline void x264_mb_analyse_transform_rd( x264_t *h, x264_mb_analysis_t *a, int *i_satd, int *i_rd )
{
h->mb.cache.b_transform_8x8_allowed =
h->pps->b_transform_8x8_mode && x264_mb_transform_8x8_allowed( h );
if( h->mb.cache.b_transform_8x8_allowed && h->param.analyse.b_transform_8x8 )
{
int i_rd8;
x264_analyse_update_cache( h, a );
h->mb.b_transform_8x8 = !h->mb.b_transform_8x8;
/* 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;
/* prevent a rare division by zero in estimated intra cost */
if( *i_satd == 0 )
*i_satd = 1;
*i_rd = i_rd8;
}
else
h->mb.b_transform_8x8 = !h->mb.b_transform_8x8;
}
}
/*****************************************************************************
* x264_macroblock_analyse:
*****************************************************************************/
void x264_macroblock_analyse( x264_t *h )
{
x264_mb_analysis_t analysis;
int i_cost = COST_MAX;
int i;
/* init analysis */
x264_mb_analyse_init( h, &analysis, x264_ratecontrol_qp( h ) );
/*--------------------------- Do the analysis ---------------------------*/
if( h->sh.i_type == SLICE_TYPE_I )
{
x264_mb_analyse_intra( h, &analysis, COST_MAX );
if( analysis.b_mbrd )
x264_intra_rd( h, &analysis, COST_MAX );
i_cost = analysis.i_satd_i16x16;
h->mb.i_type = I_16x16;
if( analysis.i_satd_i4x4 < i_cost )
{
i_cost = analysis.i_satd_i4x4;
h->mb.i_type = I_4x4;
}
if( analysis.i_satd_i8x8 < i_cost )
h->mb.i_type = I_8x8;
if( h->mb.i_subpel_refine >= 7 )
x264_intra_rd_refine( h, &analysis );
}
else if( h->sh.i_type == SLICE_TYPE_P )
{
int b_skip = 0;
int i_intra_cost, i_intra_type;
/* Fast P_SKIP detection */
analysis.b_try_pskip = 0;
if( h->param.analyse.b_fast_pskip )
{
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 );
}
if( b_skip )
{
h->mb.i_type = P_SKIP;
h->mb.i_partition = D_16x16;
}
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.b_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.b_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.me16x16.cost;
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 );
}
i_intra_type = I_16x16;
i_intra_cost = analysis.i_satd_i16x16;
COPY2_IF_LT( i_intra_cost, analysis.i_satd_i8x8, i_intra_type, I_8x8 );
COPY2_IF_LT( i_intra_cost, analysis.i_satd_i4x4, i_intra_type, I_4x4 );
COPY2_IF_LT( i_cost, i_intra_cost, i_type, i_intra_type );
if( i_intra_cost == COST_MAX )
i_intra_cost = i_cost * i_satd_intra / i_satd_inter + 1;
h->mb.i_type = i_type;
h->stat.frame.i_intra_cost += i_intra_cost;
h->stat.frame.i_inter_cost += i_cost;
if( h->mb.i_subpel_refine >= 7 )
{
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 );
x264_me_refine_qpel_rd( h, &analysis.l0.me16x16, analysis.i_lambda2, 0 );
}
else if( i_partition == D_16x8 )
{
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 );
x264_me_refine_qpel_rd( h, &analysis.l0.me16x8[1], analysis.i_lambda2, 2 );
}
else if( i_partition == D_8x16 )
{
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 );
x264_me_refine_qpel_rd( h, &analysis.l0.me8x16[1], analysis.i_lambda2, 1 );
}
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 );
}
}
}
}
else if( h->sh.i_type == SLICE_TYPE_B )
{
int i_bskip_cost = COST_MAX;
int b_skip = 0;
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( h->mb.b_lossless )
{
/* chance of skip is too small to bother */
}
else if( analysis.b_mbrd )
{
i_bskip_cost = ssd_mb( h );
/* 6 = minimum cavlc cost of a non-skipped MB */
if( i_bskip_cost <= 6 * analysis.i_lambda2 )
{
h->mb.i_type = B_SKIP;
x264_analyse_update_cache( h, &analysis );
return;
}
}
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;
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.b_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.b_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? */
}
}
x264_mb_analyse_intra( h, &analysis, i_cost );
if( analysis.b_mbrd )
{
int i_satd_inter = i_cost;
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_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 );
h->mb.i_type = i_type;
h->mb.i_partition = i_partition;
if( h->param.analyse.b_bidir_me )
refine_bidir( h, &analysis );
}
}
x264_analyse_update_cache( h, &analysis );
if( !analysis.b_mbrd )
x264_mb_analyse_transform( h );
h->mb.b_trellis = h->param.analyse.i_trellis;
h->mb.b_noise_reduction = h->param.analyse.i_noise_reduction;
}
/*-------------------- 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 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 ( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv[0], a->l0.me16x16.mv[1] );
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 ( h, 0, 0, 4, 2, 0, a->l0.me16x8[0].mv[0], a->l0.me16x8[0].mv[1] );
x264_macroblock_cache_mv ( h, 0, 2, 4, 2, 0, a->l0.me16x8[1].mv[0], a->l0.me16x8[1].mv[1] );
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 ( h, 0, 0, 2, 4, 0, a->l0.me8x16[0].mv[0], a->l0.me8x16[0].mv[1] );
x264_macroblock_cache_mv ( h, 2, 0, 2, 4, 0, a->l0.me8x16[1].mv[0], a->l0.me8x16[1].mv[1] );
break;
default:
x264_log( h, X264_LOG_ERROR, "internal error P_L0 and partition=%d\n", 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 ( h, 0, 0, 4, 4, 0, h->mb.cache.pskip_mv[0],
h->mb.cache.pskip_mv[1] );
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 ( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv[0], a->l0.me16x16.mv[1] );
x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, -1 );
x264_macroblock_cache_mv ( h, 0, 0, 4, 4, 1, 0, 0 );
x264_macroblock_cache_mvd( h, 0, 0, 4, 4, 1, 0, 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, 0 );
x264_macroblock_cache_mvd( h, 0, 0, 4, 4, 0, 0, 0 );
x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, a->l1.i_ref );
x264_macroblock_cache_mv ( h, 0, 0, 4, 4, 1, a->l1.me16x16.mv[0], a->l1.me16x16.mv[1] );
break;
case B_BI_BI:
x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, a->l0.i_ref );
x264_macroblock_cache_mv ( h, 0, 0, 4, 4, 0, a->l0.me16x16.mv[0], a->l0.me16x16.mv[1] );
x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, a->l1.i_ref );
x264_macroblock_cache_mv ( h, 0, 0, 4, 4, 1, a->l1.me16x16.mv[0], a->l1.me16x16.mv[1] );
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;
}
}
}
#include "slicetype_decision.c"
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