| /***************************************************************************** |
| * macroblock.c: h264 encoder library |
| ***************************************************************************** |
| * Copyright (C) 2003-2008 x264 project |
| * |
| * Authors: Laurent Aimar <fenrir@via.ecp.fr> |
| * Loren Merritt <lorenm@u.washington.edu> |
| * Jason Garrett-Glaser <darkshikari@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| *****************************************************************************/ |
| |
| #include "common.h" |
| |
| void x264_mb_predict_mv( x264_t *h, int i_list, int idx, int i_width, int16_t 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 ) |
| { |
| *(uint32_t*)mvp = *(uint32_t*)mv_b; |
| return; |
| } |
| else if( idx != 0 && i_refa == i_ref ) |
| { |
| *(uint32_t*)mvp = *(uint32_t*)mv_a; |
| return; |
| } |
| } |
| else if( h->mb.i_partition == D_8x16 ) |
| { |
| if( idx == 0 && i_refa == i_ref ) |
| { |
| *(uint32_t*)mvp = *(uint32_t*)mv_a; |
| return; |
| } |
| else if( idx != 0 && i_refc == i_ref ) |
| { |
| *(uint32_t*)mvp = *(uint32_t*)mv_c; |
| 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 ) |
| x264_median_mv( mvp, mv_a, mv_b, mv_c ); |
| else if( i_count == 1 ) |
| { |
| if( i_refa == i_ref ) |
| *(uint32_t*)mvp = *(uint32_t*)mv_a; |
| else if( i_refb == i_ref ) |
| *(uint32_t*)mvp = *(uint32_t*)mv_b; |
| else |
| *(uint32_t*)mvp = *(uint32_t*)mv_c; |
| } |
| else if( i_refb == -2 && i_refc == -2 && i_refa != -2 ) |
| *(uint32_t*)mvp = *(uint32_t*)mv_a; |
| else |
| x264_median_mv( mvp, mv_a, mv_b, mv_c ); |
| } |
| |
| void x264_mb_predict_mv_16x16( x264_t *h, int i_list, int i_ref, int16_t 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 ) |
| x264_median_mv( mvp, mv_a, mv_b, mv_c ); |
| else if( i_count == 1 ) |
| { |
| if( i_refa == i_ref ) |
| *(uint32_t*)mvp = *(uint32_t*)mv_a; |
| else if( i_refb == i_ref ) |
| *(uint32_t*)mvp = *(uint32_t*)mv_b; |
| else |
| *(uint32_t*)mvp = *(uint32_t*)mv_c; |
| } |
| else if( i_refb == -2 && i_refc == -2 && i_refa != -2 ) |
| *(uint32_t*)mvp = *(uint32_t*)mv_a; |
| else |
| x264_median_mv( mvp, mv_a, mv_b, mv_c ); |
| } |
| |
| |
| void x264_mb_predict_mv_pskip( x264_t *h, int16_t 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 && *(uint32_t*)mv_a == 0 ) || |
| ( i_refb == 0 && *(uint32_t*)mv_b == 0 ) ) |
| { |
| *(uint32_t*)mv = 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 ); |
| x264_macroblock_cache_mv( h, 0, 0, 4, 4, 1, 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]; |
| const int l0x = ( dist_scale_factor * mv_col[0] + 128 ) >> 8; |
| const int l0y = ( dist_scale_factor * mv_col[1] + 128 ) >> 8; |
| x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, pack16to32_mask(l0x, l0y) ); |
| x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, pack16to32_mask(l0x-mv_col[0], l0y-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 ]; |
| const int l0x = ( dist_scale_factor * mv_col[0] + 128 ) >> 8; |
| const int l0y = ( dist_scale_factor * mv_col[1] + 128 ) >> 8; |
| x264_macroblock_cache_mv( h, x4, y4, 1, 1, 0, pack16to32_mask(l0x, l0y) ); |
| x264_macroblock_cache_mv( h, x4, y4, 1, 1, 1, pack16to32_mask(l0x-mv_col[0], l0y-mv_col[1]) ); |
| } |
| } |
| } |
| else |
| { |
| /* the collocated 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; |
| } |
| } |
| |
| if( h->param.i_threads > 1 ) |
| { |
| int di = b8x8 ? 4 : 1; |
| for( i4=0; i4<16; i4+=di ) |
| { |
| if( h->mb.cache.mv[0][x264_scan8[i4]][1] > h->mb.mv_max_spel[1] |
| || h->mb.cache.mv[1][x264_scan8[i4]][1] > h->mb.mv_max_spel[1] ) |
| { |
| #if 0 |
| fprintf(stderr, "direct_temporal: (%d,%d) (%d,%d) > %d \n", |
| h->mb.cache.mv[0][x264_scan8[i4]][0], |
| h->mb.cache.mv[0][x264_scan8[i4]][1], |
| h->mb.cache.mv[1][x264_scan8[i4]][0], |
| h->mb.cache.mv[1][x264_scan8[i4]][1], |
| h->mb.mv_max_spel[1]); |
| #endif |
| return 0; |
| } |
| } |
| } |
| |
| return 1; |
| } |
| |
| static int x264_mb_predict_mv_direct16x16_spatial( x264_t *h ) |
| { |
| int ref[2]; |
| DECLARE_ALIGNED_8( int16_t 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; |
| *(uint64_t*)mv[0] = 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 |
| *(uint32_t*)mv[i_list] = 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_ptr( h, 0, 0, 4, 4, 0, mv[0] ); |
| x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 1, mv[1] ); |
| |
| if( IS_INTRA( type_col ) ) |
| return 1; |
| |
| if( h->param.i_threads > 1 |
| && ( mv[0][1] > h->mb.mv_max_spel[1] |
| || mv[1][1] > h->mb.mv_max_spel[1] ) ) |
| { |
| #if 0 |
| fprintf(stderr, "direct_spatial: (%d,%d) (%d,%d) > %d \n", |
| mv[0][0], mv[0][1], mv[1][0], mv[1][1], |
| h->mb.mv_max_spel[1]); |
| #endif |
| return 0; |
| } |
| |
| 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 ); |
| if( ref[1] == 0 ) |
| x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, 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 ); |
| if( ref[1] == 0 ) |
| x264_macroblock_cache_mv( h, x4, y4, 1, 1, 1, 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]]; |
| h->mc.memcpy_aligned(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); |
| 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] ); |
| *(uint64_t*)h->mb.cache.mv[0][x264_scan8[idx*4]] = |
| *(uint64_t*)h->mb.cache.direct_mv[0][x264_scan8[idx*4]]; |
| *(uint64_t*)h->mb.cache.mv[0][x264_scan8[idx*4]+8] = |
| *(uint64_t*)h->mb.cache.direct_mv[0][x264_scan8[idx*4]+8]; |
| *(uint64_t*)h->mb.cache.mv[1][x264_scan8[idx*4]] = |
| *(uint64_t*)h->mb.cache.direct_mv[1][x264_scan8[idx*4]]; |
| *(uint64_t*)h->mb.cache.mv[1][x264_scan8[idx*4]+8] = |
| *(uint64_t*)h->mb.cache.direct_mv[1][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, int16_t mvc[9][2], int *i_mvc ) |
| { |
| int16_t (*mvr)[2] = h->mb.mvr[i_list][i_ref]; |
| int i = 0; |
| |
| #define SET_MVP(mvp) { \ |
| *(uint32_t*)mvc[i] = *(uint32_t*)mvp; \ |
| 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]] ); |
| } |
| |
| if( i_ref == 0 && h->frames.b_have_lowres ) |
| { |
| int16_t (*lowres_mv)[2] = i_list ? h->fenc->lowres_mvs[1][h->fref1[0]->i_frame-h->fenc->i_frame-1] |
| : h->fenc->lowres_mvs[0][h->fenc->i_frame-h->fref0[0]->i_frame-1]; |
| if( lowres_mv[0][0] != 0x7fff ) *(uint32_t*)mvc[i++] = (*(uint32_t*)lowres_mv[h->mb.i_mb_xy]*2)&0xfffeffff; |
| } |
| |
| /* 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_top_xy; |
| 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 */ |
| /* FIXME temporal scaling w/ interlace */ |
| if( h->fref0[0]->i_ref[0] > 0 && !h->sh.b_mbaff ) |
| { |
| x264_frame_t *l0 = h->fref0[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; \ |
| int ref_col = l0->ref[0][i_b8]; \ |
| if( ref_col >= 0 ) \ |
| { \ |
| int scale = (h->fdec->i_poc - h->fdec->ref_poc[0][i_ref]) * l0->inv_ref_poc[ref_col];\ |
| mvc[i][0] = (l0->mv[0][i_b4][0]*scale + 128) >> 8;\ |
| mvc[i][1] = (l0->mv[0][i_b4][1]*scale + 128) >> 8;\ |
| i++; \ |
| } \ |
| } |
| |
| 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; |
| } |
| |
| /* Set up a lookup table for delta pocs to reduce an IDIV to an IMUL */ |
| static void setup_inverse_delta_pocs( x264_t *h ) |
| { |
| int i; |
| for( i = 0; i < h->i_ref0; i++ ) |
| { |
| int delta = h->fdec->i_poc - h->fref0[i]->i_poc; |
| h->fdec->inv_ref_poc[i] = (256 + delta/2) / delta; |
| } |
| } |
| |
| 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] ); |
| 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_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE, |
| h->mb.pic.p_fref[0][i_ref], h->mb.pic.i_stride[0], |
| mvx + 4*4*x, mvy + 4*4*y, 4*width, 4*height ); |
| |
| // chroma is offset if MCing from a field of opposite parity |
| if( h->mb.b_interlaced & i_ref ) |
| mvy += (h->mb.i_mb_y & 1)*4 - 2; |
| |
| h->mc.mc_chroma( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, |
| &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], |
| mvx, mvy, 2*width, 2*height ); |
| |
| h->mc.mc_chroma( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, |
| &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], |
| 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] ); |
| 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_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE, |
| h->mb.pic.p_fref[1][i_ref], h->mb.pic.i_stride[0], |
| mvx + 4*4*x, mvy + 4*4*y, 4*width, 4*height ); |
| |
| if( h->mb.b_interlaced & i_ref ) |
| mvy += (h->mb.i_mb_y & 1)*4 - 2; |
| |
| h->mc.mc_chroma( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, |
| &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], |
| mvx, mvy, 2*width, 2*height ); |
| |
| h->mc.mc_chroma( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, |
| &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], |
| 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_ref0 = h->mb.cache.ref[0][i8]; |
| const int i_ref1 = h->mb.cache.ref[1][i8]; |
| const int weight = h->mb.bipred_weight[i_ref0][i_ref1]; |
| const int mvx0 = x264_clip3( h->mb.cache.mv[0][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] ); |
| const int mvx1 = x264_clip3( h->mb.cache.mv[1][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] ); |
| int mvy0 = x264_clip3( h->mb.cache.mv[0][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] ); |
| int mvy1 = x264_clip3( h->mb.cache.mv[1][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] ); |
| int i_mode = x264_size2pixel[height][width]; |
| int i_stride0 = 16, i_stride1 = 16; |
| DECLARE_ALIGNED_16( uint8_t tmp0[16*16] ); |
| DECLARE_ALIGNED_16( uint8_t tmp1[16*16] ); |
| uint8_t *src0, *src1; |
| |
| src0 = h->mc.get_ref( tmp0, &i_stride0, h->mb.pic.p_fref[0][i_ref0], h->mb.pic.i_stride[0], |
| mvx0 + 4*4*x, mvy0 + 4*4*y, 4*width, 4*height ); |
| src1 = h->mc.get_ref( tmp1, &i_stride1, h->mb.pic.p_fref[1][i_ref1], h->mb.pic.i_stride[0], |
| mvx1 + 4*4*x, mvy1 + 4*4*y, 4*width, 4*height ); |
| h->mc.avg[i_mode]( &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE, |
| src0, i_stride0, src1, i_stride1, weight ); |
| |
| if( h->mb.b_interlaced & i_ref0 ) |
| mvy0 += (h->mb.i_mb_y & 1)*4 - 2; |
| if( h->mb.b_interlaced & i_ref1 ) |
| mvy1 += (h->mb.i_mb_y & 1)*4 - 2; |
| |
| h->mc.mc_chroma( tmp0, 16, &h->mb.pic.p_fref[0][i_ref0][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1], |
| mvx0, mvy0, 2*width, 2*height ); |
| h->mc.mc_chroma( tmp1, 16, &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], |
| 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, tmp0, 16, tmp1, 16, weight ); |
| h->mc.mc_chroma( tmp0, 16, &h->mb.pic.p_fref[0][i_ref0][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2], |
| mvx0, mvy0, 2*width, 2*height ); |
| h->mc.mc_chroma( tmp1, 16, &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], |
| 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, tmp0, 16, tmp1, 16, weight ); |
| } |
| |
| 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_8x8( x264_t *h, int i8 ) |
| { |
| const int x = 2*(i8&1); |
| const int y = 2*(i8>>1); |
| switch( h->mb.i_sub_partition[i8] ) |
| { |
| 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; |
| } |
| } |
| |
| 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++ ) |
| x264_mb_mc_8x8( h, i ); |
| } |
| 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 ); |
| } |
| } |
| } |
| |
| int 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.b_interlaced = h->param.b_interlaced; |
| |
| CHECKED_MALLOC( h->mb.qp, i_mb_count * sizeof(int8_t) ); |
| CHECKED_MALLOC( h->mb.cbp, i_mb_count * sizeof(int16_t) ); |
| CHECKED_MALLOC( h->mb.skipbp, i_mb_count * sizeof(int8_t) ); |
| CHECKED_MALLOC( h->mb.mb_transform_size, i_mb_count * sizeof(int8_t) ); |
| |
| /* 0 -> 3 top(4), 4 -> 6 : left(3) */ |
| CHECKED_MALLOC( h->mb.intra4x4_pred_mode, i_mb_count * 8 * sizeof(int8_t) ); |
| |
| /* all coeffs */ |
| CHECKED_MALLOC( h->mb.non_zero_count, i_mb_count * 24 * sizeof(uint8_t) ); |
| CHECKED_MALLOC( h->mb.nnz_backup, h->sps->i_mb_width * 4 * 16 * sizeof(uint8_t) ); |
| |
| if( h->param.b_cabac ) |
| { |
| CHECKED_MALLOC( h->mb.chroma_pred_mode, i_mb_count * sizeof(int8_t) ); |
| CHECKED_MALLOC( h->mb.mvd[0], 2*16 * i_mb_count * sizeof(int16_t) ); |
| CHECKED_MALLOC( h->mb.mvd[1], 2*16 * i_mb_count * sizeof(int16_t) ); |
| } |
| |
| for( i=0; i<2; i++ ) |
| { |
| int i_refs = X264_MIN(16, (i ? 1 : h->param.i_frame_reference) + h->param.b_bframe_pyramid) << h->param.b_interlaced; |
| for( j=0; j < i_refs; j++ ) |
| CHECKED_MALLOC( h->mb.mvr[i][j], 2 * i_mb_count * sizeof(int16_t) ); |
| } |
| |
| for( i=0; i<=h->param.b_interlaced; i++ ) |
| for( j=0; j<3; j++ ) |
| { |
| CHECKED_MALLOC( h->mb.intra_border_backup[i][j], h->fdec->i_stride[j] ); |
| h->mb.intra_border_backup[i][j] += 8; |
| } |
| |
| /* init with not available (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 ) ); |
| |
| /* 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; |
| |
| 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; |
| 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; |
| |
| return 0; |
| fail: return -1; |
| } |
| void x264_macroblock_cache_end( x264_t *h ) |
| { |
| int i, j; |
| for( i=0; i<=h->param.b_interlaced; i++ ) |
| for( j=0; j<3; j++ ) |
| x264_free( h->mb.intra_border_backup[i][j] - 8 ); |
| for( i=0; i<2; i++ ) |
| for( j=0; j<32; 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.nnz_backup ); |
| 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 ) ); |
| |
| setup_inverse_delta_pocs( h ); |
| } |
| |
| void x264_prefetch_fenc( x264_t *h, x264_frame_t *fenc, int i_mb_x, int i_mb_y ) |
| { |
| int stride_y = fenc->i_stride[0]; |
| int stride_uv = fenc->i_stride[1]; |
| int off_y = 16 * (i_mb_x + i_mb_y * stride_y); |
| int off_uv = 8 * (i_mb_x + i_mb_y * stride_uv); |
| h->mc.prefetch_fenc( fenc->plane[0]+off_y, stride_y, |
| fenc->plane[1+(i_mb_x&1)]+off_uv, stride_uv, i_mb_x ); |
| } |
| |
| static NOINLINE void copy_column8( uint8_t *dst, uint8_t *src ) |
| { |
| int i; |
| for(i=0; i<8; i++) |
| dst[i*FDEC_STRIDE] = src[i*FDEC_STRIDE]; |
| } |
| |
| static void ALWAYS_INLINE x264_macroblock_load_pic_pointers( x264_t *h, int i_mb_x, int i_mb_y, int i) |
| { |
| const int w = (i == 0 ? 16 : 8); |
| const int i_stride = h->fdec->i_stride[i]; |
| const int i_stride2 = i_stride << h->mb.b_interlaced; |
| const int i_pix_offset = h->mb.b_interlaced |
| ? w * (i_mb_x + (i_mb_y&~1) * i_stride) + (i_mb_y&1) * i_stride |
| : w * (i_mb_x + i_mb_y * i_stride); |
| int ref_pix_offset[2] = { i_pix_offset, i_pix_offset }; |
| const uint8_t *intra_fdec = &h->mb.intra_border_backup[i_mb_y & h->sh.b_mbaff][i][i_mb_x*16>>!!i]; |
| x264_frame_t **fref[2] = { h->fref0, h->fref1 }; |
| int j, k; |
| if( h->mb.b_interlaced ) |
| ref_pix_offset[1] += (1-2*(i_mb_y&1)) * i_stride; |
| h->mb.pic.i_stride[i] = i_stride2; |
| h->mb.pic.p_fenc_plane[i] = &h->fenc->plane[i][i_pix_offset]; |
| h->mc.copy[i?PIXEL_8x8:PIXEL_16x16]( h->mb.pic.p_fenc[i], FENC_STRIDE, |
| h->mb.pic.p_fenc_plane[i], i_stride2, w ); |
| memcpy( &h->mb.pic.p_fdec[i][-1-FDEC_STRIDE], intra_fdec-1, w*3/2+1 ); |
| if( h->mb.b_interlaced ) |
| { |
| const uint8_t *plane_fdec = &h->fdec->plane[i][i_pix_offset]; |
| for( j = 0; j < w; j++ ) |
| h->mb.pic.p_fdec[i][-1+j*FDEC_STRIDE] = plane_fdec[-1+j*i_stride2]; |
| } |
| for( j = 0; j < h->mb.pic.i_fref[0]; j++ ) |
| { |
| h->mb.pic.p_fref[0][j][i==0 ? 0:i+3] = &fref[0][j >> h->mb.b_interlaced]->plane[i][ref_pix_offset[j&1]]; |
| if( i == 0 ) |
| for( k = 1; k < 4; k++ ) |
| h->mb.pic.p_fref[0][j][k] = &fref[0][j >> h->mb.b_interlaced]->filtered[k][ref_pix_offset[j&1]]; |
| } |
| if( h->sh.i_type == SLICE_TYPE_B ) |
| for( j = 0; j < h->mb.pic.i_fref[1]; j++ ) |
| { |
| h->mb.pic.p_fref[1][j][i==0 ? 0:i+3] = &fref[1][j >> h->mb.b_interlaced]->plane[i][ref_pix_offset[j&1]]; |
| if( i == 0 ) |
| for( k = 1; k < 4; k++ ) |
| h->mb.pic.p_fref[1][j][k] = &fref[1][j >> h->mb.b_interlaced]->filtered[k][ref_pix_offset[j&1]]; |
| } |
| } |
| |
| void x264_macroblock_cache_load( x264_t *h, int i_mb_x, int i_mb_y ) |
| { |
| int i_mb_xy = i_mb_y * h->mb.i_mb_stride + i_mb_x; |
| int i_mb_4x4 = 4*(i_mb_y * h->mb.i_b4_stride + i_mb_x); |
| int i_mb_8x8 = 2*(i_mb_y * h->mb.i_b8_stride + i_mb_x); |
| int i_top_y = i_mb_y - (1 << h->mb.b_interlaced); |
| int i_top_xy = i_top_y * h->mb.i_mb_stride + i_mb_x; |
| int i_top_4x4 = (4*i_top_y+3) * h->mb.i_b4_stride + 4*i_mb_x; |
| int i_top_8x8 = (2*i_top_y+1) * h->mb.i_b8_stride + 2*i_mb_x; |
| int i_left_xy = -1; |
| int i_top_type = -1; /* gcc warn */ |
| int i_left_type= -1; |
| |
| int i; |
| |
| assert( h->mb.i_b8_stride == 2*h->mb.i_mb_stride ); |
| assert( h->mb.i_b4_stride == 4*h->mb.i_mb_stride ); |
| |
| /* 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_mb_top_xy = i_top_xy; |
| h->mb.i_neighbour = 0; |
| |
| /* load cache */ |
| if( i_top_xy >= h->sh.i_first_mb ) |
| { |
| h->mb.i_mb_type_top = |
| i_top_type= h->mb.type[i_top_xy]; |
| |
| h->mb.i_neighbour |= MB_TOP; |
| |
| /* load intra4x4 */ |
| *(uint32_t*)&h->mb.cache.intra4x4_pred_mode[x264_scan8[0] - 8] = *(uint32_t*)&h->mb.intra4x4_pred_mode[i_top_xy][0]; |
| |
| /* load non_zero_count */ |
| *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0] - 8] = *(uint32_t*)&h->mb.non_zero_count[i_top_xy][12]; |
| /* shift because x264_scan8[16] is misaligned */ |
| *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16] - 9] = *(uint16_t*)&h->mb.non_zero_count[i_top_xy][18] << 8; |
| *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+4] - 9] = *(uint16_t*)&h->mb.non_zero_count[i_top_xy][22] << 8; |
| } |
| 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][3]; |
| 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][11]; |
| 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->pps->b_transform_8x8_mode ) |
| { |
| 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] ); |
| } |
| |
| if( h->sh.b_mbaff ) |
| { |
| h->mb.pic.i_fref[0] = h->i_ref0 << h->mb.b_interlaced; |
| h->mb.pic.i_fref[1] = h->i_ref1 << h->mb.b_interlaced; |
| h->mb.cache.i_neighbour_interlaced = |
| !!(h->mb.i_neighbour & MB_LEFT) |
| + !!(h->mb.i_neighbour & MB_TOP); |
| } |
| |
| if( !h->mb.b_interlaced ) |
| { |
| copy_column8( h->mb.pic.p_fdec[0]-1, h->mb.pic.p_fdec[0]+15 ); |
| copy_column8( h->mb.pic.p_fdec[0]-1+8*FDEC_STRIDE, h->mb.pic.p_fdec[0]+15+8*FDEC_STRIDE ); |
| copy_column8( h->mb.pic.p_fdec[1]-1, h->mb.pic.p_fdec[1]+7 ); |
| copy_column8( h->mb.pic.p_fdec[2]-1, h->mb.pic.p_fdec[2]+7 ); |
| } |
| |
| /* load picture pointers */ |
| x264_macroblock_load_pic_pointers( h, i_mb_x, i_mb_y, 0 ); |
| x264_macroblock_load_pic_pointers( h, i_mb_x, i_mb_y, 1 ); |
| x264_macroblock_load_pic_pointers( h, i_mb_x, i_mb_y, 2 ); |
| |
| if( h->fdec->integral ) |
| { |
| assert( !h->mb.b_interlaced ); |
| for( i = 0; i < h->mb.pic.i_fref[0]; 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->mb.pic.i_fref[1]; i++ ) |
| h->mb.pic.p_integral[1][i] = &h->fref1[i]->integral[ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )]; |
| } |
| |
| x264_prefetch_fenc( h, h->fenc, i_mb_x, i_mb_y ); |
| |
| /* 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_top_8x8 - 1; |
| const int iv = i_top_4x4 - 1; |
| h->mb.cache.ref[i_list][i8] = h->mb.ref[i_list][ir]; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8] = *(uint32_t*)h->mb.mv[i_list][iv]; |
| } |
| else |
| { |
| const int i8 = x264_scan8[0] - 1 - 1*8; |
| h->mb.cache.ref[i_list][i8] = -2; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8] = 0; |
| } |
| |
| if( h->mb.i_neighbour & MB_TOP ) |
| { |
| const int i8 = x264_scan8[0] - 8; |
| const int ir = i_top_8x8; |
| const int iv = i_top_4x4; |
| 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]; |
| *(uint64_t*)h->mb.cache.mv[i_list][i8+0] = *(uint64_t*)h->mb.mv[i_list][iv+0]; |
| *(uint64_t*)h->mb.cache.mv[i_list][i8+2] = *(uint64_t*)h->mb.mv[i_list][iv+2]; |
| } |
| else |
| { |
| const int i8 = x264_scan8[0] - 8; |
| *(uint64_t*)h->mb.cache.mv[i_list][i8+0] = 0; |
| *(uint64_t*)h->mb.cache.mv[i_list][i8+2] = 0; |
| *(uint32_t*)&h->mb.cache.ref[i_list][i8] = (uint8_t)(-2) * 0x01010101U; |
| } |
| |
| if( h->mb.i_neighbour & MB_TOPRIGHT ) |
| { |
| const int i8 = x264_scan8[0] + 4 - 1*8; |
| const int ir = i_top_8x8 + 2; |
| const int iv = i_top_4x4 + 4; |
| h->mb.cache.ref[i_list][i8] = h->mb.ref[i_list][ir]; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8] = *(uint32_t*)h->mb.mv[i_list][iv]; |
| } |
| else |
| { |
| const int i8 = x264_scan8[0] + 4 - 1*8; |
| h->mb.cache.ref[i_list][i8] = -2; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8] = 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]; |
| |
| *(uint32_t*)h->mb.cache.mv[i_list][i8+0*8] = *(uint32_t*)h->mb.mv[i_list][iv + 0*s4x4]; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8+1*8] = *(uint32_t*)h->mb.mv[i_list][iv + 1*s4x4]; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8+2*8] = *(uint32_t*)h->mb.mv[i_list][iv + 2*s4x4]; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8+3*8] = *(uint32_t*)h->mb.mv[i_list][iv + 3*s4x4]; |
| } |
| else |
| { |
| const int i8 = x264_scan8[0] - 1; |
| for( i = 0; i < 4; i++ ) |
| { |
| h->mb.cache.ref[i_list][i8+i*8] = -2; |
| *(uint32_t*)h->mb.cache.mv[i_list][i8+i*8] = 0; |
| } |
| } |
| |
| if( h->param.b_cabac ) |
| { |
| if( i_top_type >= 0 ) |
| { |
| const int i8 = x264_scan8[0] - 8; |
| const int iv = i_top_4x4; |
| *(uint64_t*)h->mb.cache.mvd[i_list][i8+0] = *(uint64_t*)h->mb.mvd[i_list][iv+0]; |
| *(uint64_t*)h->mb.cache.mvd[i_list][i8+2] = *(uint64_t*)h->mb.mvd[i_list][iv+2]; |
| } |
| else |
| { |
| const int i8 = x264_scan8[0] - 8; |
| *(uint64_t*)h->mb.cache.mvd[i_list][i8+0] = |
| *(uint64_t*)h->mb.cache.mvd[i_list][i8+2] = 0; |
| } |
| |
| if( i_left_type >= 0 ) |
| { |
| const int i8 = x264_scan8[0] - 1; |
| const int iv = i_mb_4x4 - 1; |
| *(uint32_t*)h->mb.cache.mvd[i_list][i8+0*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 0*s4x4]; |
| *(uint32_t*)h->mb.cache.mvd[i_list][i8+1*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 1*s4x4]; |
| *(uint32_t*)h->mb.cache.mvd[i_list][i8+2*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 2*s4x4]; |
| *(uint32_t*)h->mb.cache.mvd[i_list][i8+3*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 3*s4x4]; |
| } |
| else |
| { |
| const int i8 = x264_scan8[0] - 1; |
| for( i = 0; i < 4; i++ ) |
| *(uint32_t*)h->mb.cache.mvd[i_list][i8+i*8] = 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 ) |
| { |
| uint8_t skipbp = h->mb.skipbp[i_left_xy]; |
| h->mb.cache.skip[x264_scan8[0] - 1] = skipbp & 0x2; |
| h->mb.cache.skip[x264_scan8[8] - 1] = skipbp & 0x8; |
| } |
| if( i_top_type >= 0 ) |
| { |
| uint8_t skipbp = h->mb.skipbp[i_top_xy]; |
| h->mb.cache.skip[x264_scan8[0] - 8] = skipbp & 0x4; |
| h->mb.cache.skip[x264_scan8[4] - 8] = skipbp & 0x8; |
| } |
| } |
| |
| if( h->sh.i_type == SLICE_TYPE_P ) |
| x264_mb_predict_mv_pskip( h, h->mb.cache.pskip_mv ); |
| } |
| |
| 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[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); |
| } |
| |
| static void ALWAYS_INLINE x264_macroblock_store_pic( x264_t *h, int i) |
| { |
| int w = i ? 8 : 16; |
| int i_stride = h->fdec->i_stride[i]; |
| int i_stride2 = i_stride << h->mb.b_interlaced; |
| int i_pix_offset = h->mb.b_interlaced |
| ? w * (h->mb.i_mb_x + (h->mb.i_mb_y&~1) * i_stride) + (h->mb.i_mb_y&1) * i_stride |
| : w * (h->mb.i_mb_x + h->mb.i_mb_y * i_stride); |
| h->mc.copy[i?PIXEL_8x8:PIXEL_16x16]( |
| &h->fdec->plane[i][i_pix_offset], i_stride2, |
| h->mb.pic.p_fdec[i], FDEC_STRIDE, w ); |
| } |
| |
| 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; |
| |
| /* GCC pessimizes direct stores to heap-allocated 8-bit arrays due to aliasing.*/ |
| /* By only dereferencing them once, we avoid this issue. */ |
| int8_t *intra4x4_pred_mode = h->mb.intra4x4_pred_mode[i_mb_xy]; |
| uint8_t *non_zero_count = h->mb.non_zero_count[i_mb_xy]; |
| |
| int i, y; |
| |
| x264_macroblock_store_pic( h, 0 ); |
| x264_macroblock_store_pic( h, 1 ); |
| x264_macroblock_store_pic( h, 2 ); |
| |
| x264_prefetch_fenc( h, h->fdec, h->mb.i_mb_x, h->mb.i_mb_y ); |
| |
| h->mb.type[i_mb_xy] = i_mb_type; |
| h->mb.i_mb_prev_xy = i_mb_xy; |
| |
| /* save intra4x4 */ |
| if( i_mb_type == I_4x4 ) |
| { |
| *(uint32_t*)&intra4x4_pred_mode[0] = *(uint32_t*)&h->mb.cache.intra4x4_pred_mode[x264_scan8[10] ]; |
| *(uint32_t*)&intra4x4_pred_mode[4] = pack8to32(h->mb.cache.intra4x4_pred_mode[x264_scan8[5] ], |
| h->mb.cache.intra4x4_pred_mode[x264_scan8[7] ], |
| h->mb.cache.intra4x4_pred_mode[x264_scan8[13] ], 0); |
| } |
| else |
| *(uint64_t*)intra4x4_pred_mode = I_PRED_4x4_DC * 0x0101010101010101ULL; |
| |
| if( i_mb_type == I_PCM ) |
| { |
| h->mb.qp[i_mb_xy] = 0; |
| h->mb.i_last_dqp = 0; |
| h->mb.i_cbp_chroma = 2; |
| h->mb.i_cbp_luma = 0xf; |
| h->mb.cbp[i_mb_xy] = 0x72f; /* all set */ |
| h->mb.b_transform_8x8 = 0; |
| for( i = 0; i < 16 + 2*4; i++ ) |
| non_zero_count[i] = 16; |
| } |
| else |
| { |
| /* save non zero count */ |
| *(uint32_t*)&non_zero_count[0*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+0*8]; |
| *(uint32_t*)&non_zero_count[1*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+1*8]; |
| *(uint32_t*)&non_zero_count[2*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+2*8]; |
| *(uint32_t*)&non_zero_count[3*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+3*8]; |
| *(uint16_t*)&non_zero_count[16+0*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+0*2]-1] >> 8; |
| *(uint16_t*)&non_zero_count[16+1*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+1*2]-1] >> 8; |
| *(uint16_t*)&non_zero_count[16+2*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+2*2]-1] >> 8; |
| *(uint16_t*)&non_zero_count[16+3*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+3*2]-1] >> 8; |
| |
| 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; |
| } |
| |
| 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( h->sh.i_type != SLICE_TYPE_I ) |
| { |
| if( !IS_INTRA( i_mb_type ) ) |
| { |
| h->mb.ref[0][i_mb_8x8+0+0*s8x8] = h->mb.cache.ref[0][x264_scan8[0]]; |
| h->mb.ref[0][i_mb_8x8+1+0*s8x8] = h->mb.cache.ref[0][x264_scan8[4]]; |
| h->mb.ref[0][i_mb_8x8+0+1*s8x8] = h->mb.cache.ref[0][x264_scan8[8]]; |
| h->mb.ref[0][i_mb_8x8+1+1*s8x8] = h->mb.cache.ref[0][x264_scan8[12]]; |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mv[0][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mv[0][x264_scan8[0]+8*y+0]; |
| *(uint64_t*)h->mb.mv[0][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mv[0][x264_scan8[0]+8*y+2]; |
| } |
| if( h->sh.i_type == SLICE_TYPE_B ) |
| { |
| h->mb.ref[1][i_mb_8x8+0+0*s8x8] = h->mb.cache.ref[1][x264_scan8[0]]; |
| h->mb.ref[1][i_mb_8x8+1+0*s8x8] = h->mb.cache.ref[1][x264_scan8[4]]; |
| h->mb.ref[1][i_mb_8x8+0+1*s8x8] = h->mb.cache.ref[1][x264_scan8[8]]; |
| h->mb.ref[1][i_mb_8x8+1+1*s8x8] = h->mb.cache.ref[1][x264_scan8[12]]; |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mv[1][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mv[1][x264_scan8[0]+8*y+0]; |
| *(uint64_t*)h->mb.mv[1][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mv[1][x264_scan8[0]+8*y+2]; |
| } |
| } |
| } |
| else |
| { |
| int i_list; |
| for( i_list = 0; i_list < (h->sh.i_type == SLICE_TYPE_B ? 2 : 1 ); i_list++ ) |
| { |
| *(uint16_t*)&h->mb.ref[i_list][i_mb_8x8+0*s8x8] = (uint8_t)(-1) * 0x0101; |
| *(uint16_t*)&h->mb.ref[i_list][i_mb_8x8+1*s8x8] = (uint8_t)(-1) * 0x0101; |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mv[i_list][i_mb_4x4+y*s4x4+0] = 0; |
| *(uint64_t*)h->mb.mv[i_list][i_mb_4x4+y*s4x4+2] = 0; |
| } |
| } |
| } |
| } |
| |
| if( h->param.b_cabac ) |
| { |
| if( IS_INTRA(i_mb_type) && i_mb_type != I_PCM ) |
| 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 ) ) |
| { |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mvd[0][x264_scan8[0]+8*y+0]; |
| *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mvd[0][x264_scan8[0]+8*y+2]; |
| } |
| if( h->sh.i_type == SLICE_TYPE_B ) |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mvd[1][x264_scan8[0]+8*y+0]; |
| *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mvd[1][x264_scan8[0]+8*y+2]; |
| } |
| } |
| else |
| { |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+0] = 0; |
| *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+2] = 0; |
| } |
| if( h->sh.i_type == SLICE_TYPE_B ) |
| for( y = 0; y < 4; y++ ) |
| { |
| *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+0] = 0; |
| *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+2] = 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; |
| // ssse3 implementation of biweight doesn't support the extrema. |
| // if we ever generate them, we'll have to drop that optimization. |
| assert( dist_scale_factor >= -63 && dist_scale_factor <= 127 ); |
| } |
| else |
| h->mb.bipred_weight[i_ref0][i_ref1] = 32; |
| } |
| } |
| if( h->sh.b_mbaff ) |
| { |
| for( i_ref0 = 2*h->i_ref0-1; i_ref0 >= 0; i_ref0-- ) |
| for( i_ref1 = 2*h->i_ref1-1; i_ref1 >= 0; i_ref1-- ) |
| h->mb.bipred_weight[i_ref0][i_ref1] = h->mb.bipred_weight[i_ref0>>1][i_ref1>>1]; |
| } |
| } |
