macroblock.c
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上传日期:2021-12-09
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Audio
开发平台:
Visual C++
- /*****************************************************************************
- * macroblock.c: h264 encoder library
- *****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: macroblock.c,v 1.1 2004/06/03 19:27:06 fenrir Exp $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include <stdio.h>
- #include <string.h>
- #include "common.h"
- static const int dequant_mf[6][4][4] =
- {
- { {10, 13, 10, 13}, {13, 16, 13, 16}, {10, 13, 10, 13}, {13, 16, 13, 16} },
- { {11, 14, 11, 14}, {14, 18, 14, 18}, {11, 14, 11, 14}, {14, 18, 14, 18} },
- { {13, 16, 13, 16}, {16, 20, 16, 20}, {13, 16, 13, 16}, {16, 20, 16, 20} },
- { {14, 18, 14, 18}, {18, 23, 18, 23}, {14, 18, 14, 18}, {18, 23, 18, 23} },
- { {16, 20, 16, 20}, {20, 25, 20, 25}, {16, 20, 16, 20}, {20, 25, 20, 25} },
- { {18, 23, 18, 23}, {23, 29, 23, 29}, {18, 23, 18, 23}, {23, 29, 23, 29} }
- };
- int x264_mb_predict_intra4x4_mode( x264_t *h, int idx )
- {
- const int ma = h->mb.cache.intra4x4_pred_mode[x264_scan8[idx] - 1];
- const int mb = h->mb.cache.intra4x4_pred_mode[x264_scan8[idx] - 8];
- const int m = X264_MIN( x264_mb_pred_mode4x4_fix(ma),
- x264_mb_pred_mode4x4_fix(mb) );
- if( m < 0 )
- return I_PRED_4x4_DC;
- return m;
- }
- int x264_mb_predict_non_zero_code( x264_t *h, int idx )
- {
- const int za = h->mb.cache.non_zero_count[x264_scan8[idx] - 1];
- const int zb = h->mb.cache.non_zero_count[x264_scan8[idx] - 8];
- int i_ret = za + zb;
- if( i_ret < 0x80 )
- {
- i_ret = ( i_ret + 1 ) >> 1;
- }
- return i_ret & 0x7f;
- }
- int x264_mb_transform_8x8_allowed( x264_t *h )
- {
- if( IS_SKIP( h->mb.i_type ) )
- return 0;
- if( h->mb.i_type == P_8x8 || h->mb.i_type == B_8x8 )
- {
- int i;
- for( i = 0; i < 4; i++ )
- if( !IS_SUB8x8(h->mb.i_sub_partition[i])
- || ( h->mb.i_sub_partition[i] == D_DIRECT_8x8 && !h->sps->b_direct8x8_inference ) )
- {
- return 0;
- }
- }
- if( h->mb.i_type == B_DIRECT && !h->sps->b_direct8x8_inference )
- return 0;
- return 1;
- }
- void x264_mb_predict_mv( x264_t *h, int i_list, int idx, int i_width, int mvp[2] )
- {
- const int i8 = x264_scan8[idx];
- const int i_ref= h->mb.cache.ref[i_list][i8];
- int i_refa = h->mb.cache.ref[i_list][i8 - 1];
- int16_t *mv_a = h->mb.cache.mv[i_list][i8 - 1];
- int i_refb = h->mb.cache.ref[i_list][i8 - 8];
- int16_t *mv_b = h->mb.cache.mv[i_list][i8 - 8];
- int i_refc = h->mb.cache.ref[i_list][i8 - 8 + i_width ];
- int16_t *mv_c = h->mb.cache.mv[i_list][i8 - 8 + i_width];
- int i_count;
- if( (idx&0x03) == 3 || ( i_width == 2 && (idx&0x3) == 2 )|| i_refc == -2 )
- {
- i_refc = h->mb.cache.ref[i_list][i8 - 8 - 1];
- mv_c = h->mb.cache.mv[i_list][i8 - 8 - 1];
- }
- if( h->mb.i_partition == D_16x8 )
- {
- if( idx == 0 && i_refb == i_ref )
- {
- mvp[0] = mv_b[0];
- mvp[1] = mv_b[1];
- return;
- }
- else if( idx != 0 && i_refa == i_ref )
- {
- mvp[0] = mv_a[0];
- mvp[1] = mv_a[1];
- return;
- }
- }
- else if( h->mb.i_partition == D_8x16 )
- {
- if( idx == 0 && i_refa == i_ref )
- {
- mvp[0] = mv_a[0];
- mvp[1] = mv_a[1];
- return;
- }
- else if( idx != 0 && i_refc == i_ref )
- {
- mvp[0] = mv_c[0];
- mvp[1] = mv_c[1];
- return;
- }
- }
- i_count = 0;
- if( i_refa == i_ref ) i_count++;
- if( i_refb == i_ref ) i_count++;
- if( i_refc == i_ref ) i_count++;
- if( i_count > 1 )
- {
- mvp[0] = x264_median( mv_a[0], mv_b[0], mv_c[0] );
- mvp[1] = x264_median( mv_a[1], mv_b[1], mv_c[1] );
- }
- else if( i_count == 1 )
- {
- if( i_refa == i_ref )
- {
- mvp[0] = mv_a[0];
- mvp[1] = mv_a[1];
- }
- else if( i_refb == i_ref )
- {
- mvp[0] = mv_b[0];
- mvp[1] = mv_b[1];
- }
- else
- {
- mvp[0] = mv_c[0];
- mvp[1] = mv_c[1];
- }
- }
- else if( i_refb == -2 && i_refc == -2 && i_refa != -2 )
- {
- mvp[0] = mv_a[0];
- mvp[1] = mv_a[1];
- }
- else
- {
- mvp[0] = x264_median( mv_a[0], mv_b[0], mv_c[0] );
- mvp[1] = x264_median( mv_a[1], mv_b[1], mv_c[1] );
- }
- }
- void x264_mb_predict_mv_16x16( x264_t *h, int i_list, int i_ref, int mvp[2] )
- {
- int i_refa = h->mb.cache.ref[i_list][X264_SCAN8_0 - 1];
- int16_t *mv_a = h->mb.cache.mv[i_list][X264_SCAN8_0 - 1];
- int i_refb = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8];
- int16_t *mv_b = h->mb.cache.mv[i_list][X264_SCAN8_0 - 8];
- int i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 + 4];
- int16_t *mv_c = h->mb.cache.mv[i_list][X264_SCAN8_0 - 8 + 4];
- int i_count;
- if( i_refc == -2 )
- {
- i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 - 1];
- mv_c = h->mb.cache.mv[i_list][X264_SCAN8_0 - 8 - 1];
- }
- i_count = 0;
- if( i_refa == i_ref ) i_count++;
- if( i_refb == i_ref ) i_count++;
- if( i_refc == i_ref ) i_count++;
- if( i_count > 1 )
- {
- mvp[0] = x264_median( mv_a[0], mv_b[0], mv_c[0] );
- mvp[1] = x264_median( mv_a[1], mv_b[1], mv_c[1] );
- }
- else if( i_count == 1 )
- {
- if( i_refa == i_ref )
- {
- mvp[0] = mv_a[0];
- mvp[1] = mv_a[1];
- }
- else if( i_refb == i_ref )
- {
- mvp[0] = mv_b[0];
- mvp[1] = mv_b[1];
- }
- else
- {
- mvp[0] = mv_c[0];
- mvp[1] = mv_c[1];
- }
- }
- else if( i_refb == -2 && i_refc == -2 && i_refa != -2 )
- {
- mvp[0] = mv_a[0];
- mvp[1] = mv_a[1];
- }
- else
- {
- mvp[0] = x264_median( mv_a[0], mv_b[0], mv_c[0] );
- mvp[1] = x264_median( mv_a[1], mv_b[1], mv_c[1] );
- }
- }
- void x264_mb_predict_mv_pskip( x264_t *h, int mv[2] )
- {
- int i_refa = h->mb.cache.ref[0][X264_SCAN8_0 - 1];
- int i_refb = h->mb.cache.ref[0][X264_SCAN8_0 - 8];
- int16_t *mv_a = h->mb.cache.mv[0][X264_SCAN8_0 - 1];
- int16_t *mv_b = h->mb.cache.mv[0][X264_SCAN8_0 - 8];
- if( i_refa == -2 || i_refb == -2 ||
- ( i_refa == 0 && mv_a[0] == 0 && mv_a[1] == 0 ) ||
- ( i_refb == 0 && mv_b[0] == 0 && mv_b[1] == 0 ) )
- {
- mv[0] = mv[1] = 0;
- }
- else
- {
- x264_mb_predict_mv_16x16( h, 0, 0, mv );
- }
- }
- static int x264_mb_predict_mv_direct16x16_temporal( x264_t *h )
- {
- int i_mb_4x4 = 16 * h->mb.i_mb_stride * h->mb.i_mb_y + 4 * h->mb.i_mb_x;
- int i_mb_8x8 = 4 * h->mb.i_mb_stride * h->mb.i_mb_y + 2 * h->mb.i_mb_x;
- int i8, i4;
- int b8x8;
- const int type_col = h->fref1[0]->mb_type[ h->mb.i_mb_xy ];
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, 0 );
- if( IS_INTRA( type_col ) )
- {
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, 0 );
- x264_macroblock_cache_mv( h, 0, 0, 4, 4, 0, 0, 0 );
- x264_macroblock_cache_mv( h, 0, 0, 4, 4, 1, 0, 0 );
- return 1;
- }
- b8x8 = h->sps->b_direct8x8_inference ||
- (type_col != P_8x8 && type_col != B_SKIP && type_col != B_DIRECT && type_col != B_8x8);
- for( i8 = 0; i8 < 4; i8++ )
- {
- const int x8 = i8%2;
- const int y8 = i8/2;
- const int i_part_8x8 = i_mb_8x8 + x8 + y8 * h->mb.i_b8_stride;
- const int i_ref = h->mb.map_col_to_list0[ h->fref1[0]->ref[0][ i_part_8x8 ] ];
- if( i_ref >= 0 )
- {
- const int dist_scale_factor = h->mb.dist_scale_factor[i_ref][0];
- x264_macroblock_cache_ref( h, 2*x8, 2*y8, 2, 2, 0, i_ref );
- if( b8x8 )
- {
- const int16_t *mv_col = h->fref1[0]->mv[0][ i_mb_4x4 + 3*x8 + 3*y8 * h->mb.i_b4_stride];
- int mv_l0[2];
- mv_l0[0] = ( dist_scale_factor * mv_col[0] + 128 ) >> 8;
- mv_l0[1] = ( dist_scale_factor * mv_col[1] + 128 ) >> 8;
- x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, mv_l0[0], mv_l0[1] );
- x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, mv_l0[0] - mv_col[0], mv_l0[1] - mv_col[1] );
- }
- else
- {
- for( i4 = 0; i4 < 4; i4++ )
- {
- const int x4 = i4%2 + 2*x8;
- const int y4 = i4/2 + 2*y8;
- const int16_t *mv_col = h->fref1[0]->mv[0][ i_mb_4x4 + x4 + y4 * h->mb.i_b4_stride ];
- int mv_l0[2];
- mv_l0[0] = ( dist_scale_factor * mv_col[0] + 128 ) >> 8;
- mv_l0[1] = ( dist_scale_factor * mv_col[1] + 128 ) >> 8;
- x264_macroblock_cache_mv( h, x4, y4, 1, 1, 0, mv_l0[0], mv_l0[1] );
- x264_macroblock_cache_mv( h, x4, y4, 1, 1, 1, mv_l0[0] - mv_col[0], mv_l0[1] - mv_col[1] );
- }
- }
- }
- else
- {
- /* the colocated ref isn't in the current list0 */
- /* FIXME: we might still be able to use direct_8x8 on some partitions */
- /* FIXME: with B-pyramid + extensive ref list reordering
- * (not currently used), we would also have to check
- * l1mv1 like in spatial mode */
- return 0;
- }
- }
- return 1;
- }
- static int x264_mb_predict_mv_direct16x16_spatial( x264_t *h )
- {
- int ref[2];
- int mv[2][2];
- int i_list;
- int i8, i4;
- int b8x8;
- const int8_t *l1ref0 = &h->fref1[0]->ref[0][ h->mb.i_b8_xy ];
- const int8_t *l1ref1 = &h->fref1[0]->ref[1][ h->mb.i_b8_xy ];
- const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->fref1[0]->mv[0][ h->mb.i_b4_xy ];
- const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->fref1[0]->mv[1][ h->mb.i_b4_xy ];
- const int type_col = h->fref1[0]->mb_type[ h->mb.i_mb_xy ];
- for( i_list=0; i_list<2; i_list++ )
- {
- int i_refa = h->mb.cache.ref[i_list][X264_SCAN8_0 - 1];
- int i_refb = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8];
- int i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 + 4];
- if( i_refc == -2 )
- i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 - 1];
- ref[i_list] = i_refa;
- if( ref[i_list] < 0 || ( i_refb < ref[i_list] && i_refb >= 0 ))
- ref[i_list] = i_refb;
- if( ref[i_list] < 0 || ( i_refc < ref[i_list] && i_refc >= 0 ))
- ref[i_list] = i_refc;
- if( ref[i_list] < 0 )
- ref[i_list] = -1;
- }
- if( ref[0] < 0 && ref[1] < 0 )
- {
- ref[0] =
- ref[1] = 0;
- mv[0][0] =
- mv[0][1] =
- mv[1][0] =
- mv[1][1] = 0;
- }
- else
- {
- for( i_list=0; i_list<2; i_list++ )
- {
- if( ref[i_list] >= 0 )
- x264_mb_predict_mv_16x16( h, i_list, ref[i_list], mv[i_list] );
- else
- mv[i_list][0] = mv[i_list][1] = 0;
- }
- }
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, ref[0] );
- x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, ref[1] );
- x264_macroblock_cache_mv( h, 0, 0, 4, 4, 0, mv[0][0], mv[0][1] );
- x264_macroblock_cache_mv( h, 0, 0, 4, 4, 1, mv[1][0], mv[1][1] );
- if( IS_INTRA( type_col ) )
- return 1;
- b8x8 = h->sps->b_direct8x8_inference ||
- (type_col != P_8x8 && type_col != B_SKIP && type_col != B_DIRECT && type_col != B_8x8);
- /* col_zero_flag */
- for( i8=0; i8<4; i8++ )
- {
- const int x8 = i8%2;
- const int y8 = i8/2;
- const int o8 = x8 + y8 * h->mb.i_b8_stride;
- if( l1ref0[o8] == 0 || ( l1ref0[o8] < 0 && l1ref1[o8] == 0 ) )
- {
- const int16_t (*l1mv)[2] = (l1ref0[o8] == 0) ? l1mv0 : l1mv1;
- if( b8x8 )
- {
- const int16_t *mvcol = l1mv[3*x8 + 3*y8 * h->mb.i_b4_stride];
- if( abs( mvcol[0] ) <= 1 && abs( mvcol[1] ) <= 1 )
- {
- if( ref[0] == 0 )
- x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, 0, 0 );
- if( ref[1] == 0 )
- x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, 0, 0 );
- }
- }
- else
- {
- for( i4=0; i4<4; i4++ )
- {
- const int x4 = i4%2 + 2*x8;
- const int y4 = i4/2 + 2*y8;
- const int16_t *mvcol = l1mv[x4 + y4 * h->mb.i_b4_stride];
- if( abs( mvcol[0] ) <= 1 && abs( mvcol[1] ) <= 1 )
- {
- if( ref[0] == 0 )
- x264_macroblock_cache_mv( h, x4, y4, 1, 1, 0, 0, 0 );
- if( ref[1] == 0 )
- x264_macroblock_cache_mv( h, x4, y4, 1, 1, 1, 0, 0 );
- }
- }
- }
- }
- }
- return 1;
- }
- int x264_mb_predict_mv_direct16x16( x264_t *h, int *b_changed )
- {
- int b_available;
- if( h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_NONE )
- return 0;
- else if( h->sh.b_direct_spatial_mv_pred )
- b_available = x264_mb_predict_mv_direct16x16_spatial( h );
- else
- b_available = x264_mb_predict_mv_direct16x16_temporal( h );
- if( b_changed != NULL && b_available )
- {
- int type_col = h->fref1[0]->mb_type[ h->mb.i_mb_xy ];
- if( IS_INTRA(type_col) || type_col == P_SKIP )
- {
- *b_changed = h->mb.cache.direct_ref[0][0] != h->mb.cache.ref[0][X264_SCAN8_0]
- || h->mb.cache.direct_ref[1][0] != h->mb.cache.ref[1][X264_SCAN8_0]
- || *(uint32_t*)h->mb.cache.direct_mv[0][X264_SCAN8_0] != *(uint32_t*)h->mb.cache.mv[0][X264_SCAN8_0]
- || *(uint32_t*)h->mb.cache.direct_mv[1][X264_SCAN8_0] != *(uint32_t*)h->mb.cache.mv[1][X264_SCAN8_0];
- }
- else
- {
- int i, l;
- *b_changed = 0;
- for( l = 0; l < 2; l++ )
- for( i = 0; i < 4; i++ )
- *b_changed |= h->mb.cache.direct_ref[l][i] != h->mb.cache.ref[l][x264_scan8[i*4]];
- *b_changed = *b_changed || memcmp(h->mb.cache.direct_mv, h->mb.cache.mv, sizeof(h->mb.cache.mv));
- }
- if( !*b_changed )
- return b_available;
- }
- /* cache ref & mv */
- if( b_available )
- {
- int i, l;
- for( l = 0; l < 2; l++ )
- for( i = 0; i < 4; i++ )
- h->mb.cache.direct_ref[l][i] = h->mb.cache.ref[l][x264_scan8[i*4]];
- memcpy(h->mb.cache.direct_mv, h->mb.cache.mv, sizeof(h->mb.cache.mv));
- }
- return b_available;
- }
- void x264_mb_load_mv_direct8x8( x264_t *h, int idx )
- {
- const int x = 2*(idx%2);
- const int y = 2*(idx/2);
- int l;
- x264_macroblock_cache_ref( h, x, y, 2, 2, 0, h->mb.cache.direct_ref[0][idx] );
- x264_macroblock_cache_ref( h, x, y, 2, 2, 1, h->mb.cache.direct_ref[1][idx] );
- for( l = 0; l < 2; l++ )
- {
- *(uint64_t*)h->mb.cache.mv[l][x264_scan8[idx*4]] =
- *(uint64_t*)h->mb.cache.direct_mv[l][x264_scan8[idx*4]];
- *(uint64_t*)h->mb.cache.mv[l][x264_scan8[idx*4]+8] =
- *(uint64_t*)h->mb.cache.direct_mv[l][x264_scan8[idx*4]+8];
- }
- }
- /* This just improves encoder performance, it's not part of the spec */
- void x264_mb_predict_mv_ref16x16( x264_t *h, int i_list, int i_ref, int mvc[8][2], int *i_mvc )
- {
- int16_t (*mvr)[2] = h->mb.mvr[i_list][i_ref];
- int i = 0;
- #define SET_MVP(mvp) {
- mvc[i][0] = mvp[0];
- mvc[i][1] = mvp[1];
- i++;
- }
- /* b_direct */
- if( h->sh.i_type == SLICE_TYPE_B
- && h->mb.cache.ref[i_list][x264_scan8[12]] == i_ref )
- {
- SET_MVP( h->mb.cache.mv[i_list][x264_scan8[12]] );
- }
- /* spatial predictors */
- if( h->mb.i_neighbour & MB_LEFT )
- {
- int i_mb_l = h->mb.i_mb_xy - 1;
- /* skip MBs didn't go through the whole search process, so mvr is undefined */
- if( !IS_SKIP( h->mb.type[i_mb_l] ) )
- SET_MVP( mvr[i_mb_l] );
- }
- if( h->mb.i_neighbour & MB_TOP )
- {
- int i_mb_t = h->mb.i_mb_xy - h->mb.i_mb_stride;
- if( !IS_SKIP( h->mb.type[i_mb_t] ) )
- SET_MVP( mvr[i_mb_t] );
- if( h->mb.i_neighbour & MB_TOPLEFT && !IS_SKIP( h->mb.type[i_mb_t - 1] ) )
- SET_MVP( mvr[i_mb_t-1] );
- if( h->mb.i_mb_x < h->mb.i_mb_stride - 1 && !IS_SKIP( h->mb.type[i_mb_t + 1] ) )
- SET_MVP( mvr[i_mb_t+1] );
- }
- #undef SET_MVP
- /* temporal predictors */
- if( h->fref0[0]->i_ref[0] > 0 )
- {
- x264_frame_t *l0 = h->fref0[0];
- int ref_col_cur, ref_col_prev = -1;
- int scale = 0;
- #define SET_TMVP(dx, dy) {
- int i_b4 = h->mb.i_b4_xy + dx*4 + dy*4*h->mb.i_b4_stride;
- int i_b8 = h->mb.i_b8_xy + dx*2 + dy*2*h->mb.i_b8_stride;
- ref_col_cur = l0->ref[0][i_b8];
- if( ref_col_cur >= 0 )
- {
- /* TODO: calc once per frame and tablize? */
- if( ref_col_cur != ref_col_prev )
- scale = 256 * (h->fenc->i_poc - h->fref0[i_ref]->i_poc)
- / (l0->i_poc - l0->ref_poc[0][ref_col_cur]);
- mvc[i][0] = l0->mv[0][i_b4][0] * scale / 256;
- mvc[i][1] = l0->mv[0][i_b4][1] * scale / 256;
- i++;
- ref_col_prev = ref_col_cur;
- }
- }
- SET_TMVP(0,0);
- if( h->mb.i_mb_x < h->sps->i_mb_width-1 )
- SET_TMVP(1,0);
- if( h->mb.i_mb_y < h->sps->i_mb_height-1 )
- SET_TMVP(0,1);
- #undef SET_TMVP
- }
- *i_mvc = i;
- }
- static inline void x264_mb_mc_0xywh( x264_t *h, int x, int y, int width, int height )
- {
- const int i8 = x264_scan8[0]+x+8*y;
- const int i_ref = h->mb.cache.ref[0][i8];
- const int mvx = x264_clip3( h->mb.cache.mv[0][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
- const int mvy = x264_clip3( h->mb.cache.mv[0][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
- h->mc.mc_luma( h->mb.pic.p_fref[0][i_ref], h->mb.pic.i_stride[0],
- &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE,
- mvx + 4*4*x, mvy + 4*4*y, 4*width, 4*height );
- h->mc.mc_chroma( &h->mb.pic.p_fref[0][i_ref][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
- &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
- mvx, mvy, 2*width, 2*height );
- h->mc.mc_chroma( &h->mb.pic.p_fref[0][i_ref][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
- &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
- mvx, mvy, 2*width, 2*height );
- }
- static inline void x264_mb_mc_1xywh( x264_t *h, int x, int y, int width, int height )
- {
- const int i8 = x264_scan8[0]+x+8*y;
- const int i_ref = h->mb.cache.ref[1][i8];
- const int mvx = x264_clip3( h->mb.cache.mv[1][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
- const int mvy = x264_clip3( h->mb.cache.mv[1][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
- h->mc.mc_luma( h->mb.pic.p_fref[1][i_ref], h->mb.pic.i_stride[0],
- &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE,
- mvx + 4*4*x, mvy + 4*4*y, 4*width, 4*height );
- h->mc.mc_chroma( &h->mb.pic.p_fref[1][i_ref][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
- &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
- mvx, mvy, 2*width, 2*height );
- h->mc.mc_chroma( &h->mb.pic.p_fref[1][i_ref][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
- &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
- mvx, mvy, 2*width, 2*height );
- }
- static inline void x264_mb_mc_01xywh( x264_t *h, int x, int y, int width, int height )
- {
- const int i8 = x264_scan8[0]+x+8*y;
- const int i_ref1 = h->mb.cache.ref[1][i8];
- const int mvx1 = x264_clip3( h->mb.cache.mv[1][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
- const int mvy1 = x264_clip3( h->mb.cache.mv[1][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
- DECLARE_ALIGNED( uint8_t, tmp[16*16], 16 );
- int i_mode = x264_size2pixel[height][width];
- x264_mb_mc_0xywh( h, x, y, width, height );
- h->mc.mc_luma( h->mb.pic.p_fref[1][i_ref1], h->mb.pic.i_stride[0],
- tmp, 16, mvx1 + 4*4*x, mvy1 + 4*4*y, 4*width, 4*height );
- if( h->param.analyse.b_weighted_bipred )
- {
- const int i_ref0 = h->mb.cache.ref[0][i8];
- const int weight = h->mb.bipred_weight[i_ref0][i_ref1];
- h->mc.avg_weight[i_mode]( &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE, tmp, 16, weight );
- h->mc.mc_chroma( &h->mb.pic.p_fref[1][i_ref1][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
- tmp, 16, mvx1, mvy1, 2*width, 2*height );
- h->mc.avg_weight[i_mode+3]( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, tmp, 16, weight );
- h->mc.mc_chroma( &h->mb.pic.p_fref[1][i_ref1][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
- tmp, 16, mvx1, mvy1, 2*width, 2*height );
- h->mc.avg_weight[i_mode+3]( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, tmp, 16, weight );
- }
- else
- {
- h->mc.avg[i_mode]( &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE, tmp, 16 );
- h->mc.mc_chroma( &h->mb.pic.p_fref[1][i_ref1][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
- tmp, 16, mvx1, mvy1, 2*width, 2*height );
- h->mc.avg[i_mode+3]( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, tmp, 16 );
- h->mc.mc_chroma( &h->mb.pic.p_fref[1][i_ref1][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
- tmp, 16, mvx1, mvy1, 2*width, 2*height );
- h->mc.avg[i_mode+3]( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, tmp, 16 );
- }
- }
- static void x264_mb_mc_direct8x8( x264_t *h, int x, int y )
- {
- const int i8 = x264_scan8[0] + x + 8*y;
- /* FIXME: optimize based on current block size, not global settings? */
- if( h->sps->b_direct8x8_inference )
- {
- if( h->mb.cache.ref[0][i8] >= 0 )
- if( h->mb.cache.ref[1][i8] >= 0 )
- x264_mb_mc_01xywh( h, x, y, 2, 2 );
- else
- x264_mb_mc_0xywh( h, x, y, 2, 2 );
- else
- x264_mb_mc_1xywh( h, x, y, 2, 2 );
- }
- else
- {
- if( h->mb.cache.ref[0][i8] >= 0 )
- {
- if( h->mb.cache.ref[1][i8] >= 0 )
- {
- x264_mb_mc_01xywh( h, x+0, y+0, 1, 1 );
- x264_mb_mc_01xywh( h, x+1, y+0, 1, 1 );
- x264_mb_mc_01xywh( h, x+0, y+1, 1, 1 );
- x264_mb_mc_01xywh( h, x+1, y+1, 1, 1 );
- }
- else
- {
- x264_mb_mc_0xywh( h, x+0, y+0, 1, 1 );
- x264_mb_mc_0xywh( h, x+1, y+0, 1, 1 );
- x264_mb_mc_0xywh( h, x+0, y+1, 1, 1 );
- x264_mb_mc_0xywh( h, x+1, y+1, 1, 1 );
- }
- }
- else
- {
- x264_mb_mc_1xywh( h, x+0, y+0, 1, 1 );
- x264_mb_mc_1xywh( h, x+1, y+0, 1, 1 );
- x264_mb_mc_1xywh( h, x+0, y+1, 1, 1 );
- x264_mb_mc_1xywh( h, x+1, y+1, 1, 1 );
- }
- }
- }
- void x264_mb_mc( x264_t *h )
- {
- if( h->mb.i_type == P_L0 )
- {
- if( h->mb.i_partition == D_16x16 )
- {
- x264_mb_mc_0xywh( h, 0, 0, 4, 4 );
- }
- else if( h->mb.i_partition == D_16x8 )
- {
- x264_mb_mc_0xywh( h, 0, 0, 4, 2 );
- x264_mb_mc_0xywh( h, 0, 2, 4, 2 );
- }
- else if( h->mb.i_partition == D_8x16 )
- {
- x264_mb_mc_0xywh( h, 0, 0, 2, 4 );
- x264_mb_mc_0xywh( h, 2, 0, 2, 4 );
- }
- }
- else if( h->mb.i_type == P_8x8 || h->mb.i_type == B_8x8 )
- {
- int i;
- for( i = 0; i < 4; 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_mb_mc_0xywh( h, x, y, 2, 2 );
- break;
- case D_L0_8x4:
- x264_mb_mc_0xywh( h, x, y+0, 2, 1 );
- x264_mb_mc_0xywh( h, x, y+1, 2, 1 );
- break;
- case D_L0_4x8:
- x264_mb_mc_0xywh( h, x+0, y, 1, 2 );
- x264_mb_mc_0xywh( h, x+1, y, 1, 2 );
- break;
- case D_L0_4x4:
- x264_mb_mc_0xywh( h, x+0, y+0, 1, 1 );
- x264_mb_mc_0xywh( h, x+1, y+0, 1, 1 );
- x264_mb_mc_0xywh( h, x+0, y+1, 1, 1 );
- x264_mb_mc_0xywh( h, x+1, y+1, 1, 1 );
- break;
- case D_L1_8x8:
- x264_mb_mc_1xywh( h, x, y, 2, 2 );
- break;
- case D_L1_8x4:
- x264_mb_mc_1xywh( h, x, y+0, 2, 1 );
- x264_mb_mc_1xywh( h, x, y+1, 2, 1 );
- break;
- case D_L1_4x8:
- x264_mb_mc_1xywh( h, x+0, y, 1, 2 );
- x264_mb_mc_1xywh( h, x+1, y, 1, 2 );
- break;
- case D_L1_4x4:
- x264_mb_mc_1xywh( h, x+0, y+0, 1, 1 );
- x264_mb_mc_1xywh( h, x+1, y+0, 1, 1 );
- x264_mb_mc_1xywh( h, x+0, y+1, 1, 1 );
- x264_mb_mc_1xywh( h, x+1, y+1, 1, 1 );
- break;
- case D_BI_8x8:
- x264_mb_mc_01xywh( h, x, y, 2, 2 );
- break;
- case D_BI_8x4:
- x264_mb_mc_01xywh( h, x, y+0, 2, 1 );
- x264_mb_mc_01xywh( h, x, y+1, 2, 1 );
- break;
- case D_BI_4x8:
- x264_mb_mc_01xywh( h, x+0, y, 1, 2 );
- x264_mb_mc_01xywh( h, x+1, y, 1, 2 );
- break;
- case D_BI_4x4:
- x264_mb_mc_01xywh( h, x+0, y+0, 1, 1 );
- x264_mb_mc_01xywh( h, x+1, y+0, 1, 1 );
- x264_mb_mc_01xywh( h, x+0, y+1, 1, 1 );
- x264_mb_mc_01xywh( h, x+1, y+1, 1, 1 );
- break;
- case D_DIRECT_8x8:
- x264_mb_mc_direct8x8( h, x, y );
- break;
- }
- }
- }
- else if( h->mb.i_type == B_SKIP || h->mb.i_type == B_DIRECT )
- {
- x264_mb_mc_direct8x8( h, 0, 0 );
- x264_mb_mc_direct8x8( h, 2, 0 );
- x264_mb_mc_direct8x8( h, 0, 2 );
- x264_mb_mc_direct8x8( h, 2, 2 );
- }
- else /* B_*x* */
- {
- int b_list0[2];
- int b_list1[2];
- int i;
- /* init ref list utilisations */
- for( i = 0; i < 2; i++ )
- {
- b_list0[i] = x264_mb_type_list0_table[h->mb.i_type][i];
- b_list1[i] = x264_mb_type_list1_table[h->mb.i_type][i];
- }
- if( h->mb.i_partition == D_16x16 )
- {
- if( b_list0[0] && b_list1[0] ) x264_mb_mc_01xywh( h, 0, 0, 4, 4 );
- else if( b_list0[0] ) x264_mb_mc_0xywh ( h, 0, 0, 4, 4 );
- else if( b_list1[0] ) x264_mb_mc_1xywh ( h, 0, 0, 4, 4 );
- }
- else if( h->mb.i_partition == D_16x8 )
- {
- if( b_list0[0] && b_list1[0] ) x264_mb_mc_01xywh( h, 0, 0, 4, 2 );
- else if( b_list0[0] ) x264_mb_mc_0xywh ( h, 0, 0, 4, 2 );
- else if( b_list1[0] ) x264_mb_mc_1xywh ( h, 0, 0, 4, 2 );
- if( b_list0[1] && b_list1[1] ) x264_mb_mc_01xywh( h, 0, 2, 4, 2 );
- else if( b_list0[1] ) x264_mb_mc_0xywh ( h, 0, 2, 4, 2 );
- else if( b_list1[1] ) x264_mb_mc_1xywh ( h, 0, 2, 4, 2 );
- }
- else if( h->mb.i_partition == D_8x16 )
- {
- if( b_list0[0] && b_list1[0] ) x264_mb_mc_01xywh( h, 0, 0, 2, 4 );
- else if( b_list0[0] ) x264_mb_mc_0xywh ( h, 0, 0, 2, 4 );
- else if( b_list1[0] ) x264_mb_mc_1xywh ( h, 0, 0, 2, 4 );
- if( b_list0[1] && b_list1[1] ) x264_mb_mc_01xywh( h, 2, 0, 2, 4 );
- else if( b_list0[1] ) x264_mb_mc_0xywh ( h, 2, 0, 2, 4 );
- else if( b_list1[1] ) x264_mb_mc_1xywh ( h, 2, 0, 2, 4 );
- }
- }
- }
- void x264_macroblock_cache_init( x264_t *h )
- {
- int i, j;
- int i_mb_count = h->mb.i_mb_count;
- h->mb.i_mb_stride = h->sps->i_mb_width;
- h->mb.i_b8_stride = h->sps->i_mb_width * 2;
- h->mb.i_b4_stride = h->sps->i_mb_width * 4;
- h->mb.qp = x264_malloc( i_mb_count * sizeof(int8_t) );
- h->mb.cbp = x264_malloc( i_mb_count * sizeof(int16_t) );
- h->mb.skipbp = x264_malloc( i_mb_count * sizeof(int8_t) );
- h->mb.mb_transform_size = x264_malloc( i_mb_count * sizeof(int8_t) );
- /* 0 -> 3 top(4), 4 -> 6 : left(3) */
- h->mb.intra4x4_pred_mode = x264_malloc( i_mb_count * 7 * sizeof( int8_t ) );
- /* all coeffs */
- h->mb.non_zero_count = x264_malloc( i_mb_count * 24 * sizeof( uint8_t ) );
- if( h->param.b_cabac )
- {
- h->mb.chroma_pred_mode = x264_malloc( i_mb_count * sizeof( int8_t) );
- h->mb.mvd[0] = x264_malloc( 2*16 * i_mb_count * sizeof( int16_t ) );
- h->mb.mvd[1] = x264_malloc( 2*16 * i_mb_count * sizeof( int16_t ) );
- }
- for( i=0; i<2; i++ )
- {
- int i_refs = (i ? 1 : h->param.i_frame_reference) + h->param.b_bframe_pyramid;
- for( j=0; j < i_refs && j < 16; j++ )
- h->mb.mvr[i][j] = x264_malloc( 2 * i_mb_count * sizeof( int16_t ) );
- }
- /* init with not avaiable (for top right idx=7,15) */
- memset( h->mb.cache.ref[0], -2, X264_SCAN8_SIZE * sizeof( int8_t ) );
- memset( h->mb.cache.ref[1], -2, X264_SCAN8_SIZE * sizeof( int8_t ) );
- }
- void x264_macroblock_cache_end( x264_t *h )
- {
- int i, j;
- for( i=0; i<2; i++ )
- {
- int i_refs = i ? 1 + h->param.b_bframe_pyramid : h->param.i_frame_reference;
- for( j=0; j < i_refs; j++ )
- x264_free( h->mb.mvr[i][j] );
- }
- if( h->param.b_cabac )
- {
- x264_free( h->mb.chroma_pred_mode );
- x264_free( h->mb.mvd[0] );
- x264_free( h->mb.mvd[1] );
- }
- x264_free( h->mb.intra4x4_pred_mode );
- x264_free( h->mb.non_zero_count );
- x264_free( h->mb.mb_transform_size );
- x264_free( h->mb.skipbp );
- x264_free( h->mb.cbp );
- x264_free( h->mb.qp );
- }
- void x264_macroblock_slice_init( x264_t *h )
- {
- int i, j;
- h->mb.mv[0] = h->fdec->mv[0];
- h->mb.mv[1] = h->fdec->mv[1];
- h->mb.ref[0] = h->fdec->ref[0];
- h->mb.ref[1] = h->fdec->ref[1];
- h->mb.type = h->fdec->mb_type;
- h->fdec->i_ref[0] = h->i_ref0;
- h->fdec->i_ref[1] = h->i_ref1;
- for( i = 0; i < h->i_ref0; i++ )
- h->fdec->ref_poc[0][i] = h->fref0[i]->i_poc;
- if( h->sh.i_type == SLICE_TYPE_B )
- {
- for( i = 0; i < h->i_ref1; i++ )
- h->fdec->ref_poc[1][i] = h->fref1[i]->i_poc;
- h->mb.map_col_to_list0[-1] = -1;
- h->mb.map_col_to_list0[-2] = -2;
- for( i = 0; i < h->fref1[0]->i_ref[0]; i++ )
- {
- int poc = h->fref1[0]->ref_poc[0][i];
- h->mb.map_col_to_list0[i] = -2;
- for( j = 0; j < h->i_ref0; j++ )
- if( h->fref0[j]->i_poc == poc )
- {
- h->mb.map_col_to_list0[i] = j;
- break;
- }
- }
- }
- if( h->sh.i_type == SLICE_TYPE_P )
- memset( h->mb.cache.skip, 0, X264_SCAN8_SIZE * sizeof( int8_t ) );
- }
- void x264_macroblock_cache_load( x264_t *h, int i_mb_x, int i_mb_y )
- {
- const int i_mb_4x4 = 4*(i_mb_y * h->mb.i_b4_stride + i_mb_x);
- const int i_mb_8x8 = 2*(i_mb_y * h->mb.i_b8_stride + i_mb_x);
- int i_mb_xy = i_mb_y * h->mb.i_mb_stride + i_mb_x;
- int i_top_xy = i_mb_xy - h->mb.i_mb_stride;
- int i_left_xy = -1;
- int i_top_type = -1; /* gcc warn */
- int i_left_type= -1;
- int i;
- /* init index */
- h->mb.i_mb_x = i_mb_x;
- h->mb.i_mb_y = i_mb_y;
- h->mb.i_mb_xy = i_mb_xy;
- h->mb.i_b8_xy = i_mb_8x8;
- h->mb.i_b4_xy = i_mb_4x4;
- h->mb.i_neighbour = 0;
- /* fdec: fenc:
- * yyyyyyy
- * yYYYY YYYY
- * yYYYY YYYY
- * yYYYY YYYY
- * yYYYY YYYY
- * uuu vvv UUVV
- * uUU vVV UUVV
- * uUU vVV
- */
- h->mb.pic.p_fenc[0] = h->mb.pic.fenc_buf;
- h->mb.pic.p_fenc[1] = h->mb.pic.fenc_buf + 16*FENC_STRIDE;
- h->mb.pic.p_fenc[2] = h->mb.pic.fenc_buf + 16*FENC_STRIDE + 8;
- h->mb.pic.p_fdec[0] = h->mb.pic.fdec_buf + 2*FDEC_STRIDE;
- h->mb.pic.p_fdec[1] = h->mb.pic.fdec_buf + 19*FDEC_STRIDE;
- h->mb.pic.p_fdec[2] = h->mb.pic.fdec_buf + 19*FDEC_STRIDE + 16;
- /* load picture pointers */
- for( i = 0; i < 3; i++ )
- {
- const int w = (i == 0 ? 16 : 8);
- const int i_stride = h->fdec->i_stride[i];
- const uint8_t *plane_fdec = &h->fdec->plane[i][ w * (i_mb_x + i_mb_y * i_stride) ];
- int j;
- h->mb.pic.i_stride[i] = i_stride;
- h->mc.copy[i?PIXEL_8x8:PIXEL_16x16]( h->mb.pic.p_fenc[i], FENC_STRIDE,
- &h->fenc->plane[i][ w * (i_mb_x + i_mb_y * i_stride) ], i_stride, w );
- memcpy( &h->mb.pic.p_fdec[i][-1-FDEC_STRIDE], &plane_fdec[-1-i_stride], w*3/2+1 );
- for( j = 0; j < w; j++ )
- h->mb.pic.p_fdec[i][-1+j*FDEC_STRIDE] = plane_fdec[-1+j*i_stride];
- for( j = 0; j < h->i_ref0; j++ )
- {
- h->mb.pic.p_fref[0][j][i==0 ? 0:i+3] = &h->fref0[j]->plane[i][ w * ( i_mb_x + i_mb_y * i_stride )];
- h->mb.pic.p_fref[0][j][i+1] = &h->fref0[j]->filtered[i+1][ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )];
- }
- for( j = 0; j < h->i_ref1; j++ )
- {
- h->mb.pic.p_fref[1][j][i==0 ? 0:i+3] = &h->fref1[j]->plane[i][ w * ( i_mb_x + i_mb_y * i_stride )];
- h->mb.pic.p_fref[1][j][i+1] = &h->fref1[j]->filtered[i+1][ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )];
- }
- }
- if( h->fdec->integral )
- {
- for( i = 0; i < h->i_ref0; i++ )
- h->mb.pic.p_integral[0][i] = &h->fref0[i]->integral[ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )];
- for( i = 0; i < h->i_ref1; i++ )
- h->mb.pic.p_integral[1][i] = &h->fref1[i]->integral[ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )];
- }
- /* load cache */
- if( i_mb_xy >= h->sh.i_first_mb + h->mb.i_mb_stride )
- {
- h->mb.i_mb_type_top =
- i_top_type= h->mb.type[i_top_xy];
- h->mb.i_neighbour |= MB_TOP;
- /* load intra4x4 */
- h->mb.cache.intra4x4_pred_mode[x264_scan8[0] - 8] = h->mb.intra4x4_pred_mode[i_top_xy][0];
- h->mb.cache.intra4x4_pred_mode[x264_scan8[1] - 8] = h->mb.intra4x4_pred_mode[i_top_xy][1];
- h->mb.cache.intra4x4_pred_mode[x264_scan8[4] - 8] = h->mb.intra4x4_pred_mode[i_top_xy][2];
- h->mb.cache.intra4x4_pred_mode[x264_scan8[5] - 8] = h->mb.intra4x4_pred_mode[i_top_xy][3];
- /* load non_zero_count */
- h->mb.cache.non_zero_count[x264_scan8[0] - 8] = h->mb.non_zero_count[i_top_xy][10];
- h->mb.cache.non_zero_count[x264_scan8[1] - 8] = h->mb.non_zero_count[i_top_xy][11];
- h->mb.cache.non_zero_count[x264_scan8[4] - 8] = h->mb.non_zero_count[i_top_xy][14];
- h->mb.cache.non_zero_count[x264_scan8[5] - 8] = h->mb.non_zero_count[i_top_xy][15];
- h->mb.cache.non_zero_count[x264_scan8[16+0] - 8] = h->mb.non_zero_count[i_top_xy][16+2];
- h->mb.cache.non_zero_count[x264_scan8[16+1] - 8] = h->mb.non_zero_count[i_top_xy][16+3];
- h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 8] = h->mb.non_zero_count[i_top_xy][16+4+2];
- h->mb.cache.non_zero_count[x264_scan8[16+4+1] - 8] = h->mb.non_zero_count[i_top_xy][16+4+3];
- }
- else
- {
- h->mb.i_mb_type_top = -1;
- /* load intra4x4 */
- h->mb.cache.intra4x4_pred_mode[x264_scan8[0] - 8] =
- h->mb.cache.intra4x4_pred_mode[x264_scan8[1] - 8] =
- h->mb.cache.intra4x4_pred_mode[x264_scan8[4] - 8] =
- h->mb.cache.intra4x4_pred_mode[x264_scan8[5] - 8] = -1;
- /* load non_zero_count */
- h->mb.cache.non_zero_count[x264_scan8[0] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[1] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[4] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[5] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[16+0] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[16+1] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 8] =
- h->mb.cache.non_zero_count[x264_scan8[16+4+1] - 8] = 0x80;
- }
- if( i_mb_x > 0 && i_mb_xy > h->sh.i_first_mb )
- {
- i_left_xy = i_mb_xy - 1;
- h->mb.i_mb_type_left =
- i_left_type = h->mb.type[i_left_xy];
- h->mb.i_neighbour |= MB_LEFT;
- /* load intra4x4 */
- h->mb.cache.intra4x4_pred_mode[x264_scan8[0 ] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][4];
- h->mb.cache.intra4x4_pred_mode[x264_scan8[2 ] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][5];
- h->mb.cache.intra4x4_pred_mode[x264_scan8[8 ] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][6];
- h->mb.cache.intra4x4_pred_mode[x264_scan8[10] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][3];
- /* load non_zero_count */
- h->mb.cache.non_zero_count[x264_scan8[0 ] - 1] = h->mb.non_zero_count[i_left_xy][5];
- h->mb.cache.non_zero_count[x264_scan8[2 ] - 1] = h->mb.non_zero_count[i_left_xy][7];
- h->mb.cache.non_zero_count[x264_scan8[8 ] - 1] = h->mb.non_zero_count[i_left_xy][13];
- h->mb.cache.non_zero_count[x264_scan8[10] - 1] = h->mb.non_zero_count[i_left_xy][15];
- h->mb.cache.non_zero_count[x264_scan8[16+0] - 1] = h->mb.non_zero_count[i_left_xy][16+1];
- h->mb.cache.non_zero_count[x264_scan8[16+2] - 1] = h->mb.non_zero_count[i_left_xy][16+3];
- h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 1] = h->mb.non_zero_count[i_left_xy][16+4+1];
- h->mb.cache.non_zero_count[x264_scan8[16+4+2] - 1] = h->mb.non_zero_count[i_left_xy][16+4+3];
- }
- else
- {
- h->mb.i_mb_type_left = -1;
- h->mb.cache.intra4x4_pred_mode[x264_scan8[0 ] - 1] =
- h->mb.cache.intra4x4_pred_mode[x264_scan8[2 ] - 1] =
- h->mb.cache.intra4x4_pred_mode[x264_scan8[8 ] - 1] =
- h->mb.cache.intra4x4_pred_mode[x264_scan8[10] - 1] = -1;
- /* load non_zero_count */
- h->mb.cache.non_zero_count[x264_scan8[0 ] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[2 ] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[8 ] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[10] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[16+0] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[16+2] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 1] =
- h->mb.cache.non_zero_count[x264_scan8[16+4+2] - 1] = 0x80;
- }
- if( i_mb_x < h->sps->i_mb_width - 1 && i_top_xy + 1 >= h->sh.i_first_mb )
- {
- h->mb.i_neighbour |= MB_TOPRIGHT;
- h->mb.i_mb_type_topright = h->mb.type[ i_top_xy + 1 ];
- }
- else
- h->mb.i_mb_type_topright = -1;
- if( i_mb_x > 0 && i_top_xy - 1 >= h->sh.i_first_mb )
- {
- h->mb.i_neighbour |= MB_TOPLEFT;
- h->mb.i_mb_type_topleft = h->mb.type[ i_top_xy - 1 ];
- }
- else
- h->mb.i_mb_type_topleft = -1;
- if( h->param.analyse.b_transform_8x8 )
- {
- h->mb.cache.i_neighbour_transform_size =
- ( i_left_type >= 0 && h->mb.mb_transform_size[i_left_xy] )
- + ( i_top_type >= 0 && h->mb.mb_transform_size[i_top_xy] );
- }
- /* load ref/mv/mvd */
- if( h->sh.i_type != SLICE_TYPE_I )
- {
- const int s8x8 = h->mb.i_b8_stride;
- const int s4x4 = h->mb.i_b4_stride;
- int i_list;
- for( i_list = 0; i_list < (h->sh.i_type == SLICE_TYPE_B ? 2 : 1 ); i_list++ )
- {
- /*
- h->mb.cache.ref[i_list][x264_scan8[5 ]+1] =
- h->mb.cache.ref[i_list][x264_scan8[7 ]+1] =
- h->mb.cache.ref[i_list][x264_scan8[13]+1] = -2;
- */
- if( h->mb.i_neighbour & MB_TOPLEFT )
- {
- const int i8 = x264_scan8[0] - 1 - 1*8;
- const int ir = i_mb_8x8 - s8x8 - 1;
- const int iv = i_mb_4x4 - s4x4 - 1;
- h->mb.cache.ref[i_list][i8] = h->mb.ref[i_list][ir];
- h->mb.cache.mv[i_list][i8][0] = h->mb.mv[i_list][iv][0];
- h->mb.cache.mv[i_list][i8][1] = h->mb.mv[i_list][iv][1];
- }
- else
- {
- const int i8 = x264_scan8[0] - 1 - 1*8;
- h->mb.cache.ref[i_list][i8] = -2;
- h->mb.cache.mv[i_list][i8][0] = 0;
- h->mb.cache.mv[i_list][i8][1] = 0;
- }
- if( h->mb.i_neighbour & MB_TOP )
- {
- const int i8 = x264_scan8[0] - 8;
- const int ir = i_mb_8x8 - s8x8;
- const int iv = i_mb_4x4 - s4x4;
- h->mb.cache.ref[i_list][i8+0] =
- h->mb.cache.ref[i_list][i8+1] = h->mb.ref[i_list][ir + 0];
- h->mb.cache.ref[i_list][i8+2] =
- h->mb.cache.ref[i_list][i8+3] = h->mb.ref[i_list][ir + 1];
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.mv[i_list][i8+i][0] = h->mb.mv[i_list][iv + i][0];
- h->mb.cache.mv[i_list][i8+i][1] = h->mb.mv[i_list][iv + i][1];
- }
- }
- else
- {
- const int i8 = x264_scan8[0] - 8;
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.ref[i_list][i8+i] = -2;
- h->mb.cache.mv[i_list][i8+i][0] =
- h->mb.cache.mv[i_list][i8+i][1] = 0;
- }
- }
- if( h->mb.i_neighbour & MB_TOPRIGHT )
- {
- const int i8 = x264_scan8[0] + 4 - 1*8;
- const int ir = i_mb_8x8 - s8x8 + 2;
- const int iv = i_mb_4x4 - s4x4 + 4;
- h->mb.cache.ref[i_list][i8] = h->mb.ref[i_list][ir];
- h->mb.cache.mv[i_list][i8][0] = h->mb.mv[i_list][iv][0];
- h->mb.cache.mv[i_list][i8][1] = h->mb.mv[i_list][iv][1];
- }
- else
- {
- const int i8 = x264_scan8[0] + 4 - 1*8;
- h->mb.cache.ref[i_list][i8] = -2;
- h->mb.cache.mv[i_list][i8][0] = 0;
- h->mb.cache.mv[i_list][i8][1] = 0;
- }
- if( h->mb.i_neighbour & MB_LEFT )
- {
- const int i8 = x264_scan8[0] - 1;
- const int ir = i_mb_8x8 - 1;
- const int iv = i_mb_4x4 - 1;
- h->mb.cache.ref[i_list][i8+0*8] =
- h->mb.cache.ref[i_list][i8+1*8] = h->mb.ref[i_list][ir + 0*s8x8];
- h->mb.cache.ref[i_list][i8+2*8] =
- h->mb.cache.ref[i_list][i8+3*8] = h->mb.ref[i_list][ir + 1*s8x8];
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.mv[i_list][i8+i*8][0] = h->mb.mv[i_list][iv + i*s4x4][0];
- h->mb.cache.mv[i_list][i8+i*8][1] = h->mb.mv[i_list][iv + i*s4x4][1];
- }
- }
- else
- {
- const int i8 = x264_scan8[0] - 1;
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.ref[i_list][i8+i*8] = -2;
- h->mb.cache.mv[i_list][i8+i*8][0] =
- h->mb.cache.mv[i_list][i8+i*8][1] = 0;
- }
- }
- if( h->param.b_cabac )
- {
- if( i_top_type >= 0 )
- {
- const int i8 = x264_scan8[0] - 8;
- const int iv = i_mb_4x4 - s4x4;
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.mvd[i_list][i8+i][0] = h->mb.mvd[i_list][iv + i][0];
- h->mb.cache.mvd[i_list][i8+i][1] = h->mb.mvd[i_list][iv + i][1];
- }
- }
- else
- {
- const int i8 = x264_scan8[0] - 8;
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.mvd[i_list][i8+i][0] =
- h->mb.cache.mvd[i_list][i8+i][1] = 0;
- }
- }
- if( i_left_type >= 0 )
- {
- const int i8 = x264_scan8[0] - 1;
- const int iv = i_mb_4x4 - 1;
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.mvd[i_list][i8+i*8][0] = h->mb.mvd[i_list][iv + i*s4x4][0];
- h->mb.cache.mvd[i_list][i8+i*8][1] = h->mb.mvd[i_list][iv + i*s4x4][1];
- }
- }
- else
- {
- const int i8 = x264_scan8[0] - 1;
- for( i = 0; i < 4; i++ )
- {
- h->mb.cache.mvd[i_list][i8+i*8][0] =
- h->mb.cache.mvd[i_list][i8+i*8][1] = 0;
- }
- }
- }
- }
- /* load skip */
- if( h->sh.i_type == SLICE_TYPE_B && h->param.b_cabac )
- {
- memset( h->mb.cache.skip, 0, X264_SCAN8_SIZE * sizeof( int8_t ) );
- if( i_left_type >= 0 )
- {
- h->mb.cache.skip[x264_scan8[0] - 1] = h->mb.skipbp[i_left_xy] & 0x2;
- h->mb.cache.skip[x264_scan8[8] - 1] = h->mb.skipbp[i_left_xy] & 0x8;
- }
- if( i_top_type >= 0 )
- {
- h->mb.cache.skip[x264_scan8[0] - 8] = h->mb.skipbp[i_top_xy] & 0x4;
- h->mb.cache.skip[x264_scan8[4] - 8] = h->mb.skipbp[i_top_xy] & 0x8;
- }
- }
- }
- h->mb.i_neighbour4[0] =
- h->mb.i_neighbour8[0] = (h->mb.i_neighbour & (MB_TOP|MB_LEFT|MB_TOPLEFT))
- | ((h->mb.i_neighbour & MB_TOP) ? MB_TOPRIGHT : 0);
- h->mb.i_neighbour4[4] =
- h->mb.i_neighbour4[1] = MB_LEFT | ((h->mb.i_neighbour & MB_TOP) ? (MB_TOP|MB_TOPLEFT|MB_TOPRIGHT) : 0);
- h->mb.i_neighbour4[2] =
- h->mb.i_neighbour4[8] =
- h->mb.i_neighbour4[10] =
- h->mb.i_neighbour8[2] = MB_TOP|MB_TOPRIGHT | ((h->mb.i_neighbour & MB_LEFT) ? (MB_LEFT|MB_TOPLEFT) : 0);
- h->mb.i_neighbour4[3] =
- h->mb.i_neighbour4[7] =
- h->mb.i_neighbour4[11] =
- h->mb.i_neighbour4[13] =
- h->mb.i_neighbour4[15] =
- h->mb.i_neighbour8[3] = MB_LEFT|MB_TOP|MB_TOPLEFT;
- h->mb.i_neighbour4[5] =
- h->mb.i_neighbour8[1] = MB_LEFT | (h->mb.i_neighbour & MB_TOPRIGHT)
- | ((h->mb.i_neighbour & MB_TOP) ? MB_TOP|MB_TOPLEFT : 0);
- h->mb.i_neighbour4[6] =
- h->mb.i_neighbour4[9] =
- h->mb.i_neighbour4[12] =
- h->mb.i_neighbour4[14] = MB_LEFT|MB_TOP|MB_TOPLEFT|MB_TOPRIGHT;
- }
- void x264_macroblock_cache_save( x264_t *h )
- {
- const int i_mb_xy = h->mb.i_mb_xy;
- const int i_mb_type = x264_mb_type_fix[h->mb.i_type];
- const int s8x8 = h->mb.i_b8_stride;
- const int s4x4 = h->mb.i_b4_stride;
- const int i_mb_4x4 = h->mb.i_b4_xy;
- const int i_mb_8x8 = h->mb.i_b8_xy;
- int i;
- for( i = 0; i < 3; i++ )
- {
- int w = i ? 8 : 16;
- h->mc.copy[i?PIXEL_8x8:PIXEL_16x16](
- &h->fdec->plane[i][ w * (h->mb.i_mb_x + h->mb.i_mb_y * h->fdec->i_stride[i]) ],
- h->fdec->i_stride[i],
- h->mb.pic.p_fdec[i], FDEC_STRIDE, w );
- }
- h->mb.type[i_mb_xy] = i_mb_type;
- if( h->mb.i_type != I_16x16 && h->mb.i_cbp_luma == 0 && h->mb.i_cbp_chroma == 0 )
- h->mb.i_qp = h->mb.i_last_qp;
- h->mb.qp[i_mb_xy] = h->mb.i_qp;
- h->mb.i_last_dqp = h->mb.i_qp - h->mb.i_last_qp;
- h->mb.i_last_qp = h->mb.i_qp;
- /* save intra4x4 */
- if( i_mb_type == I_4x4 )
- {
- h->mb.intra4x4_pred_mode[i_mb_xy][0] = h->mb.cache.intra4x4_pred_mode[x264_scan8[10] ];
- h->mb.intra4x4_pred_mode[i_mb_xy][1] = h->mb.cache.intra4x4_pred_mode[x264_scan8[11] ];
- h->mb.intra4x4_pred_mode[i_mb_xy][2] = h->mb.cache.intra4x4_pred_mode[x264_scan8[14] ];
- h->mb.intra4x4_pred_mode[i_mb_xy][3] = h->mb.cache.intra4x4_pred_mode[x264_scan8[15] ];
- h->mb.intra4x4_pred_mode[i_mb_xy][4] = h->mb.cache.intra4x4_pred_mode[x264_scan8[5] ];
- h->mb.intra4x4_pred_mode[i_mb_xy][5] = h->mb.cache.intra4x4_pred_mode[x264_scan8[7] ];
- h->mb.intra4x4_pred_mode[i_mb_xy][6] = h->mb.cache.intra4x4_pred_mode[x264_scan8[13] ];
- }
- else
- {
- h->mb.intra4x4_pred_mode[i_mb_xy][0] =
- h->mb.intra4x4_pred_mode[i_mb_xy][1] =
- h->mb.intra4x4_pred_mode[i_mb_xy][2] =
- h->mb.intra4x4_pred_mode[i_mb_xy][3] =
- h->mb.intra4x4_pred_mode[i_mb_xy][4] =
- h->mb.intra4x4_pred_mode[i_mb_xy][5] =
- h->mb.intra4x4_pred_mode[i_mb_xy][6] = I_PRED_4x4_DC;
- }
- if( i_mb_type == I_PCM )
- {
- h->mb.cbp[i_mb_xy] = 0x72f; /* all set */
- for( i = 0; i < 16 + 2*4; i++ )
- {
- h->mb.non_zero_count[i_mb_xy][i] = 16;
- }
- }
- else
- {
- /* save non zero count */
- for( i = 0; i < 16 + 2*4; i++ )
- {
- h->mb.non_zero_count[i_mb_xy][i] = h->mb.cache.non_zero_count[x264_scan8[i]];
- }
- }
- if( h->mb.i_cbp_luma == 0 && h->mb.i_type != I_8x8 )
- h->mb.b_transform_8x8 = 0;
- h->mb.mb_transform_size[i_mb_xy] = h->mb.b_transform_8x8;
- if( !IS_INTRA( i_mb_type ) )
- {
- int i_list;
- for( i_list = 0; i_list < (h->sh.i_type == SLICE_TYPE_B ? 2 : 1 ); i_list++ )
- {
- int y,x;
- h->mb.ref[i_list][i_mb_8x8+0+0*s8x8] = h->mb.cache.ref[i_list][x264_scan8[0]];
- h->mb.ref[i_list][i_mb_8x8+1+0*s8x8] = h->mb.cache.ref[i_list][x264_scan8[4]];
- h->mb.ref[i_list][i_mb_8x8+0+1*s8x8] = h->mb.cache.ref[i_list][x264_scan8[8]];
- h->mb.ref[i_list][i_mb_8x8+1+1*s8x8] = h->mb.cache.ref[i_list][x264_scan8[12]];
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
- h->mb.mv[i_list][i_mb_4x4+x+y*s4x4][0] = h->mb.cache.mv[i_list][x264_scan8[0]+x+8*y][0];
- h->mb.mv[i_list][i_mb_4x4+x+y*s4x4][1] = h->mb.cache.mv[i_list][x264_scan8[0]+x+8*y][1];
- }
- }
- }
- }
- else
- {
- int i_list;
- for( i_list = 0; i_list < (h->sh.i_type == SLICE_TYPE_B ? 2 : 1 ); i_list++ )
- {
- int y,x;
- h->mb.ref[i_list][i_mb_8x8+0+0*s8x8] =
- h->mb.ref[i_list][i_mb_8x8+1+0*s8x8] =
- h->mb.ref[i_list][i_mb_8x8+0+1*s8x8] =
- h->mb.ref[i_list][i_mb_8x8+1+1*s8x8] = -1;
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
- h->mb.mv[i_list][i_mb_4x4+x+y*s4x4][0] = 0;
- h->mb.mv[i_list][i_mb_4x4+x+y*s4x4][1] = 0;
- }
- }
- }
- }
- if( h->param.b_cabac )
- {
- if( i_mb_type == I_4x4 || i_mb_type == I_16x16 )
- h->mb.chroma_pred_mode[i_mb_xy] = x264_mb_pred_mode8x8c_fix[ h->mb.i_chroma_pred_mode ];
- else
- h->mb.chroma_pred_mode[i_mb_xy] = I_PRED_CHROMA_DC;
- if( !IS_INTRA( i_mb_type ) && !IS_SKIP( i_mb_type ) && !IS_DIRECT( i_mb_type ) )
- {
- int i_list;
- for( i_list = 0; i_list < 2; i_list++ )
- {
- const int s4x4 = 4 * h->mb.i_mb_stride;
- int y,x;
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
- h->mb.mvd[i_list][i_mb_4x4+x+y*s4x4][0] = h->mb.cache.mvd[i_list][x264_scan8[0]+x+8*y][0];
- h->mb.mvd[i_list][i_mb_4x4+x+y*s4x4][1] = h->mb.cache.mvd[i_list][x264_scan8[0]+x+8*y][1];
- }
- }
- }
- }
- else
- {
- int i_list;
- for( i_list = 0; i_list < 2; i_list++ )
- {
- const int s4x4 = 4 * h->mb.i_mb_stride;
- int y,x;
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
- h->mb.mvd[i_list][i_mb_4x4+x+y*s4x4][0] = 0;
- h->mb.mvd[i_list][i_mb_4x4+x+y*s4x4][1] = 0;
- }
- }
- }
- }
- if( h->sh.i_type == SLICE_TYPE_B )
- {
- if( i_mb_type == B_SKIP || i_mb_type == B_DIRECT )
- h->mb.skipbp[i_mb_xy] = 0xf;
- else if( i_mb_type == B_8x8 )
- {
- int skipbp = 0;
- for( i = 0; i < 4; i++ )
- skipbp |= ( h->mb.i_sub_partition[i] == D_DIRECT_8x8 ) << i;
- h->mb.skipbp[i_mb_xy] = skipbp;
- }
- else
- h->mb.skipbp[i_mb_xy] = 0;
- }
- }
- }
- void x264_macroblock_bipred_init( x264_t *h )
- {
- int i_ref0, i_ref1;
- for( i_ref0 = 0; i_ref0 < h->i_ref0; i_ref0++ )
- {
- int poc0 = h->fref0[i_ref0]->i_poc;
- for( i_ref1 = 0; i_ref1 < h->i_ref1; i_ref1++ )
- {
- int dist_scale_factor;
- int poc1 = h->fref1[i_ref1]->i_poc;
- int td = x264_clip3( poc1 - poc0, -128, 127 );
- if( td == 0 /* || pic0 is a long-term ref */ )
- dist_scale_factor = 256;
- else
- {
- int tb = x264_clip3( h->fdec->i_poc - poc0, -128, 127 );
- int tx = (16384 + (abs(td) >> 1)) / td;
- dist_scale_factor = x264_clip3( (tb * tx + 32) >> 6, -1024, 1023 );
- }
- h->mb.dist_scale_factor[i_ref0][i_ref1] = dist_scale_factor;
- dist_scale_factor >>= 2;
- if( h->param.analyse.b_weighted_bipred
- && dist_scale_factor >= -64
- && dist_scale_factor <= 128 )
- h->mb.bipred_weight[i_ref0][i_ref1] = 64 - dist_scale_factor;
- else
- h->mb.bipred_weight[i_ref0][i_ref1] = 32;
- }
- }
- }