/***************************************************************************** * deblock.c: deblocking ***************************************************************************** * Copyright (C) 2003-2022 x264 project * * Authors: Laurent Aimar * Loren Merritt * Fiona Glaser * Henrik Gramner * * 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. * * This program is also available under a commercial proprietary license. * For more information, contact us at licensing@x264.com. *****************************************************************************/ #include "common.h" /* Deblocking filter */ static const uint8_t i_alpha_table[52+12*3] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 17, 20, 22, 25, 28, 32, 36, 40, 45, 50, 56, 63, 71, 80, 90,101,113,127,144,162,182,203,226, 255,255, 255,255,255,255,255,255,255,255,255,255,255,255, }; static const uint8_t i_beta_table[52+12*3] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, }; static const int8_t i_tc0_table[52+12*3][4] = { {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 }, {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 }, {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 }, {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, }; #define alpha_table(x) i_alpha_table[(x)+24] #define beta_table(x) i_beta_table[(x)+24] #define tc0_table(x) i_tc0_table[(x)+24] /* From ffmpeg */ static ALWAYS_INLINE void deblock_edge_luma_c( pixel *pix, intptr_t xstride, int alpha, int beta, int8_t tc0 ) { int p2 = pix[-3*xstride]; int p1 = pix[-2*xstride]; int p0 = pix[-1*xstride]; int q0 = pix[ 0*xstride]; int q1 = pix[ 1*xstride]; int q2 = pix[ 2*xstride]; if( abs( p0 - q0 ) < alpha && abs( p1 - p0 ) < beta && abs( q1 - q0 ) < beta ) { int tc = tc0; int delta; if( abs( p2 - p0 ) < beta ) { if( tc0 ) pix[-2*xstride] = p1 + x264_clip3( (( p2 + ((p0 + q0 + 1) >> 1)) >> 1) - p1, -tc0, tc0 ); tc++; } if( abs( q2 - q0 ) < beta ) { if( tc0 ) pix[ 1*xstride] = q1 + x264_clip3( (( q2 + ((p0 + q0 + 1) >> 1)) >> 1) - q1, -tc0, tc0 ); tc++; } delta = x264_clip3( (((q0 - p0 ) * 4) + (p1 - q1) + 4) >> 3, -tc, tc ); pix[-1*xstride] = x264_clip_pixel( p0 + delta ); /* p0' */ pix[ 0*xstride] = x264_clip_pixel( q0 - delta ); /* q0' */ } } static inline void deblock_luma_c( pixel *pix, intptr_t xstride, intptr_t ystride, int alpha, int beta, int8_t *tc0 ) { for( int i = 0; i < 4; i++ ) { if( tc0[i] < 0 ) { pix += 4*ystride; continue; } for( int d = 0; d < 4; d++, pix += ystride ) deblock_edge_luma_c( pix, xstride, alpha, beta, tc0[i] ); } } static void deblock_h_luma_mbaff_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { for( int d = 0; d < 8; d++, pix += stride ) deblock_edge_luma_c( pix, 1, alpha, beta, tc0[d>>1] ); } static void deblock_v_luma_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { deblock_luma_c( pix, stride, 1, alpha, beta, tc0 ); } static void deblock_h_luma_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { deblock_luma_c( pix, 1, stride, alpha, beta, tc0 ); } static ALWAYS_INLINE void deblock_edge_chroma_c( pixel *pix, intptr_t xstride, int alpha, int beta, int8_t tc ) { int p1 = pix[-2*xstride]; int p0 = pix[-1*xstride]; int q0 = pix[ 0*xstride]; int q1 = pix[ 1*xstride]; if( abs( p0 - q0 ) < alpha && abs( p1 - p0 ) < beta && abs( q1 - q0 ) < beta ) { int delta = x264_clip3( (((q0 - p0 ) * 4) + (p1 - q1) + 4) >> 3, -tc, tc ); pix[-1*xstride] = x264_clip_pixel( p0 + delta ); /* p0' */ pix[ 0*xstride] = x264_clip_pixel( q0 - delta ); /* q0' */ } } static ALWAYS_INLINE void deblock_chroma_c( pixel *pix, int height, intptr_t xstride, intptr_t ystride, int alpha, int beta, int8_t *tc0 ) { for( int i = 0; i < 4; i++ ) { int tc = tc0[i]; if( tc <= 0 ) { pix += height*ystride; continue; } for( int d = 0; d < height; d++, pix += ystride-2 ) for( int e = 0; e < 2; e++, pix++ ) deblock_edge_chroma_c( pix, xstride, alpha, beta, tc0[i] ); } } static void deblock_h_chroma_mbaff_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { deblock_chroma_c( pix, 1, 2, stride, alpha, beta, tc0 ); } static void deblock_v_chroma_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { deblock_chroma_c( pix, 2, stride, 2, alpha, beta, tc0 ); } static void deblock_h_chroma_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { deblock_chroma_c( pix, 2, 2, stride, alpha, beta, tc0 ); } static void deblock_h_chroma_422_c( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 ) { deblock_chroma_c( pix, 4, 2, stride, alpha, beta, tc0 ); } static ALWAYS_INLINE void deblock_edge_luma_intra_c( pixel *pix, intptr_t xstride, int alpha, int beta ) { int p2 = pix[-3*xstride]; int p1 = pix[-2*xstride]; int p0 = pix[-1*xstride]; int q0 = pix[ 0*xstride]; int q1 = pix[ 1*xstride]; int q2 = pix[ 2*xstride]; if( abs( p0 - q0 ) < alpha && abs( p1 - p0 ) < beta && abs( q1 - q0 ) < beta ) { if( abs( p0 - q0 ) < ((alpha >> 2) + 2) ) { if( abs( p2 - p0 ) < beta ) /* p0', p1', p2' */ { const int p3 = pix[-4*xstride]; pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3; pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2; pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3; } else /* p0' */ pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; if( abs( q2 - q0 ) < beta ) /* q0', q1', q2' */ { const int q3 = pix[3*xstride]; pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3; pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2; pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3; } else /* q0' */ pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; } else /* p0', q0' */ { pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; } } } static inline void deblock_luma_intra_c( pixel *pix, intptr_t xstride, intptr_t ystride, int alpha, int beta ) { for( int d = 0; d < 16; d++, pix += ystride ) deblock_edge_luma_intra_c( pix, xstride, alpha, beta ); } static void deblock_h_luma_intra_mbaff_c( pixel *pix, intptr_t ystride, int alpha, int beta ) { for( int d = 0; d < 8; d++, pix += ystride ) deblock_edge_luma_intra_c( pix, 1, alpha, beta ); } static void deblock_v_luma_intra_c( pixel *pix, intptr_t stride, int alpha, int beta ) { deblock_luma_intra_c( pix, stride, 1, alpha, beta ); } static void deblock_h_luma_intra_c( pixel *pix, intptr_t stride, int alpha, int beta ) { deblock_luma_intra_c( pix, 1, stride, alpha, beta ); } static ALWAYS_INLINE void deblock_edge_chroma_intra_c( pixel *pix, intptr_t xstride, int alpha, int beta ) { int p1 = pix[-2*xstride]; int p0 = pix[-1*xstride]; int q0 = pix[ 0*xstride]; int q1 = pix[ 1*xstride]; if( abs( p0 - q0 ) < alpha && abs( p1 - p0 ) < beta && abs( q1 - q0 ) < beta ) { pix[-1*xstride] = (2*p1 + p0 + q1 + 2) >> 2; /* p0' */ pix[ 0*xstride] = (2*q1 + q0 + p1 + 2) >> 2; /* q0' */ } } static ALWAYS_INLINE void deblock_chroma_intra_c( pixel *pix, int width, int height, intptr_t xstride, intptr_t ystride, int alpha, int beta ) { for( int d = 0; d < height; d++, pix += ystride-2 ) for( int e = 0; e < width; e++, pix++ ) deblock_edge_chroma_intra_c( pix, xstride, alpha, beta ); } static void deblock_h_chroma_intra_mbaff_c( pixel *pix, intptr_t stride, int alpha, int beta ) { deblock_chroma_intra_c( pix, 2, 4, 2, stride, alpha, beta ); } static void deblock_v_chroma_intra_c( pixel *pix, intptr_t stride, int alpha, int beta ) { deblock_chroma_intra_c( pix, 1, 16, stride, 2, alpha, beta ); } static void deblock_h_chroma_intra_c( pixel *pix, intptr_t stride, int alpha, int beta ) { deblock_chroma_intra_c( pix, 2, 8, 2, stride, alpha, beta ); } static void deblock_h_chroma_422_intra_c( pixel *pix, intptr_t stride, int alpha, int beta ) { deblock_chroma_intra_c( pix, 2, 16, 2, stride, alpha, beta ); } static void deblock_strength_c( uint8_t nnz[X264_SCAN8_SIZE], int8_t ref[2][X264_SCAN8_LUMA_SIZE], int16_t mv[2][X264_SCAN8_LUMA_SIZE][2], uint8_t bs[2][8][4], int mvy_limit, int bframe ) { for( int dir = 0; dir < 2; dir++ ) { int s1 = dir ? 1 : 8; int s2 = dir ? 8 : 1; for( int edge = 0; edge < 4; edge++ ) for( int i = 0, loc = X264_SCAN8_0+edge*s2; i < 4; i++, loc += s1 ) { int locn = loc - s2; if( nnz[loc] || nnz[locn] ) bs[dir][edge][i] = 2; else if( ref[0][loc] != ref[0][locn] || abs( mv[0][loc][0] - mv[0][locn][0] ) >= 4 || abs( mv[0][loc][1] - mv[0][locn][1] ) >= mvy_limit || (bframe && (ref[1][loc] != ref[1][locn] || abs( mv[1][loc][0] - mv[1][locn][0] ) >= 4 || abs( mv[1][loc][1] - mv[1][locn][1] ) >= mvy_limit ))) { bs[dir][edge][i] = 1; } else bs[dir][edge][i] = 0; } } } static ALWAYS_INLINE void deblock_edge( x264_t *h, pixel *pix, intptr_t i_stride, uint8_t bS[4], int i_qp, int a, int b, int b_chroma, x264_deblock_inter_t pf_inter ) { int index_a = i_qp + a; int index_b = i_qp + b; int alpha = alpha_table(index_a) << (BIT_DEPTH-8); int beta = beta_table(index_b) << (BIT_DEPTH-8); int8_t tc[4]; if( !M32(bS) || !alpha || !beta ) return; tc[0] = (tc0_table(index_a)[bS[0]] * (1 << (BIT_DEPTH-8))) + b_chroma; tc[1] = (tc0_table(index_a)[bS[1]] * (1 << (BIT_DEPTH-8))) + b_chroma; tc[2] = (tc0_table(index_a)[bS[2]] * (1 << (BIT_DEPTH-8))) + b_chroma; tc[3] = (tc0_table(index_a)[bS[3]] * (1 << (BIT_DEPTH-8))) + b_chroma; pf_inter( pix, i_stride, alpha, beta, tc ); } static ALWAYS_INLINE void deblock_edge_intra( x264_t *h, pixel *pix, intptr_t i_stride, uint8_t bS[4], int i_qp, int a, int b, int b_chroma, x264_deblock_intra_t pf_intra ) { int index_a = i_qp + a; int index_b = i_qp + b; int alpha = alpha_table(index_a) << (BIT_DEPTH-8); int beta = beta_table(index_b) << (BIT_DEPTH-8); if( !alpha || !beta ) return; pf_intra( pix, i_stride, alpha, beta ); } static ALWAYS_INLINE void macroblock_cache_load_neighbours_deblock( x264_t *h, int mb_x, int mb_y ) { int deblock_on_slice_edges = h->sh.i_disable_deblocking_filter_idc != 2; h->mb.i_neighbour = 0; h->mb.i_mb_xy = mb_y * h->mb.i_mb_stride + mb_x; h->mb.b_interlaced = PARAM_INTERLACED && h->mb.field[h->mb.i_mb_xy]; h->mb.i_mb_top_y = mb_y - (1 << MB_INTERLACED); h->mb.i_mb_top_xy = mb_x + h->mb.i_mb_stride*h->mb.i_mb_top_y; h->mb.i_mb_left_xy[1] = h->mb.i_mb_left_xy[0] = h->mb.i_mb_xy - 1; if( SLICE_MBAFF ) { if( mb_y&1 ) { if( mb_x && h->mb.field[h->mb.i_mb_xy - 1] != MB_INTERLACED ) h->mb.i_mb_left_xy[0] -= h->mb.i_mb_stride; } else { if( h->mb.i_mb_top_xy >= 0 && MB_INTERLACED && !h->mb.field[h->mb.i_mb_top_xy] ) { h->mb.i_mb_top_xy += h->mb.i_mb_stride; h->mb.i_mb_top_y++; } if( mb_x && h->mb.field[h->mb.i_mb_xy - 1] != MB_INTERLACED ) h->mb.i_mb_left_xy[1] += h->mb.i_mb_stride; } } if( mb_x > 0 && (deblock_on_slice_edges || h->mb.slice_table[h->mb.i_mb_left_xy[0]] == h->mb.slice_table[h->mb.i_mb_xy]) ) h->mb.i_neighbour |= MB_LEFT; if( mb_y > MB_INTERLACED && (deblock_on_slice_edges || h->mb.slice_table[h->mb.i_mb_top_xy] == h->mb.slice_table[h->mb.i_mb_xy]) ) h->mb.i_neighbour |= MB_TOP; } void x264_frame_deblock_row( x264_t *h, int mb_y ) { int b_interlaced = SLICE_MBAFF; int a = h->sh.i_alpha_c0_offset - QP_BD_OFFSET; int b = h->sh.i_beta_offset - QP_BD_OFFSET; int qp_thresh = 15 - X264_MIN( a, b ) - X264_MAX( 0, h->pps->i_chroma_qp_index_offset ); int stridey = h->fdec->i_stride[0]; int strideuv = h->fdec->i_stride[1]; int chroma_format = CHROMA_FORMAT; int chroma444 = CHROMA444; int chroma_height = 16 >> CHROMA_V_SHIFT; intptr_t uvdiff = chroma444 ? h->fdec->plane[2] - h->fdec->plane[1] : 1; for( int mb_x = 0; mb_x < h->mb.i_mb_width; mb_x += (~b_interlaced | mb_y)&1, mb_y ^= b_interlaced ) { x264_prefetch_fenc( h, h->fdec, mb_x, mb_y ); macroblock_cache_load_neighbours_deblock( h, mb_x, mb_y ); int mb_xy = h->mb.i_mb_xy; int transform_8x8 = h->mb.mb_transform_size[mb_xy]; int intra_cur = IS_INTRA( h->mb.type[mb_xy] ); uint8_t (*bs)[8][4] = h->deblock_strength[mb_y&1][h->param.b_sliced_threads?mb_xy:mb_x]; pixel *pixy = h->fdec->plane[0] + 16*mb_y*stridey + 16*mb_x; pixel *pixuv = CHROMA_FORMAT ? h->fdec->plane[1] + chroma_height*mb_y*strideuv + 16*mb_x : NULL; if( mb_y & MB_INTERLACED ) { pixy -= 15*stridey; if( CHROMA_FORMAT ) pixuv -= (chroma_height-1)*strideuv; } int stride2y = stridey << MB_INTERLACED; int stride2uv = strideuv << MB_INTERLACED; int qp = h->mb.qp[mb_xy]; int qpc = h->chroma_qp_table[qp]; int first_edge_only = (h->mb.partition[mb_xy] == D_16x16 && !h->mb.cbp[mb_xy] && !intra_cur) || qp <= qp_thresh; #define FILTER( intra, dir, edge, qp, chroma_qp )\ do\ {\ if( !(edge & 1) || !transform_8x8 )\ {\ deblock_edge##intra( h, pixy + 4*edge*(dir?stride2y:1),\ stride2y, bs[dir][edge], qp, a, b, 0,\ h->loopf.deblock_luma##intra[dir] );\ if( chroma_format == CHROMA_444 )\ {\ deblock_edge##intra( h, pixuv + 4*edge*(dir?stride2uv:1),\ stride2uv, bs[dir][edge], chroma_qp, a, b, 0,\ h->loopf.deblock_luma##intra[dir] );\ deblock_edge##intra( h, pixuv + uvdiff + 4*edge*(dir?stride2uv:1),\ stride2uv, bs[dir][edge], chroma_qp, a, b, 0,\ h->loopf.deblock_luma##intra[dir] );\ }\ else if( chroma_format == CHROMA_420 && !(edge & 1) )\ {\ deblock_edge##intra( h, pixuv + edge*(dir?2*stride2uv:4),\ stride2uv, bs[dir][edge], chroma_qp, a, b, 1,\ h->loopf.deblock_chroma##intra[dir] );\ }\ }\ if( chroma_format == CHROMA_422 && (dir || !(edge & 1)) )\ {\ deblock_edge##intra( h, pixuv + edge*(dir?4*stride2uv:4),\ stride2uv, bs[dir][edge], chroma_qp, a, b, 1,\ h->loopf.deblock_chroma##intra[dir] );\ }\ } while( 0 ) if( h->mb.i_neighbour & MB_LEFT ) { if( b_interlaced && h->mb.field[h->mb.i_mb_left_xy[0]] != MB_INTERLACED ) { int luma_qp[2]; int chroma_qp[2]; int left_qp[2]; x264_deblock_inter_t luma_deblock = h->loopf.deblock_luma_mbaff; x264_deblock_inter_t chroma_deblock = h->loopf.deblock_chroma_mbaff; x264_deblock_intra_t luma_intra_deblock = h->loopf.deblock_luma_intra_mbaff; x264_deblock_intra_t chroma_intra_deblock = h->loopf.deblock_chroma_intra_mbaff; int c = chroma444 ? 0 : 1; left_qp[0] = h->mb.qp[h->mb.i_mb_left_xy[0]]; luma_qp[0] = (qp + left_qp[0] + 1) >> 1; chroma_qp[0] = (qpc + h->chroma_qp_table[left_qp[0]] + 1) >> 1; if( intra_cur || IS_INTRA( h->mb.type[h->mb.i_mb_left_xy[0]] ) ) { deblock_edge_intra( h, pixy, 2*stridey, bs[0][0], luma_qp[0], a, b, 0, luma_intra_deblock ); if( chroma_format ) { deblock_edge_intra( h, pixuv, 2*strideuv, bs[0][0], chroma_qp[0], a, b, c, chroma_intra_deblock ); if( chroma444 ) deblock_edge_intra( h, pixuv + uvdiff, 2*strideuv, bs[0][0], chroma_qp[0], a, b, c, chroma_intra_deblock ); } } else { deblock_edge( h, pixy, 2*stridey, bs[0][0], luma_qp[0], a, b, 0, luma_deblock ); if( chroma_format ) { deblock_edge( h, pixuv, 2*strideuv, bs[0][0], chroma_qp[0], a, b, c, chroma_deblock ); if( chroma444 ) deblock_edge( h, pixuv + uvdiff, 2*strideuv, bs[0][0], chroma_qp[0], a, b, c, chroma_deblock ); } } int offy = MB_INTERLACED ? 4 : 0; int offuv = MB_INTERLACED ? 4-CHROMA_V_SHIFT : 0; left_qp[1] = h->mb.qp[h->mb.i_mb_left_xy[1]]; luma_qp[1] = (qp + left_qp[1] + 1) >> 1; chroma_qp[1] = (qpc + h->chroma_qp_table[left_qp[1]] + 1) >> 1; if( intra_cur || IS_INTRA( h->mb.type[h->mb.i_mb_left_xy[1]] ) ) { deblock_edge_intra( h, pixy + (stridey<mb.qp[h->mb.i_mb_xy-1]; int qp_left = (qp + qpl + 1) >> 1; int qpc_left = (qpc + h->chroma_qp_table[qpl] + 1) >> 1; int intra_left = IS_INTRA( h->mb.type[h->mb.i_mb_xy-1] ); int intra_deblock = intra_cur || intra_left; /* Any MB that was coded, or that analysis decided to skip, has quality commensurate with its QP. * But if deblocking affects neighboring MBs that were force-skipped, blur might accumulate there. * So reset their effective QP to max, to indicate that lack of guarantee. */ if( h->fdec->mb_info && M32( bs[0][0] ) ) { #define RESET_EFFECTIVE_QP(xy) h->fdec->effective_qp[xy] |= 0xff * !!(h->fdec->mb_info[xy] & X264_MBINFO_CONSTANT); RESET_EFFECTIVE_QP(mb_xy); RESET_EFFECTIVE_QP(h->mb.i_mb_left_xy[0]); } if( intra_deblock ) FILTER( _intra, 0, 0, qp_left, qpc_left ); else FILTER( , 0, 0, qp_left, qpc_left ); } } if( !first_edge_only ) { FILTER( , 0, 1, qp, qpc ); FILTER( , 0, 2, qp, qpc ); FILTER( , 0, 3, qp, qpc ); } if( h->mb.i_neighbour & MB_TOP ) { if( b_interlaced && !(mb_y&1) && !MB_INTERLACED && h->mb.field[h->mb.i_mb_top_xy] ) { int mbn_xy = mb_xy - 2 * h->mb.i_mb_stride; for( int j = 0; j < 2; j++, mbn_xy += h->mb.i_mb_stride ) { int qpt = h->mb.qp[mbn_xy]; int qp_top = (qp + qpt + 1) >> 1; int qpc_top = (qpc + h->chroma_qp_table[qpt] + 1) >> 1; int intra_top = IS_INTRA( h->mb.type[mbn_xy] ); if( intra_cur || intra_top ) M32( bs[1][4*j] ) = 0x03030303; // deblock the first horizontal edge of the even rows, then the first horizontal edge of the odd rows deblock_edge( h, pixy + j*stridey, 2* stridey, bs[1][4*j], qp_top, a, b, 0, h->loopf.deblock_luma[1] ); if( chroma444 ) { deblock_edge( h, pixuv + j*strideuv, 2*strideuv, bs[1][4*j], qpc_top, a, b, 0, h->loopf.deblock_luma[1] ); deblock_edge( h, pixuv + uvdiff + j*strideuv, 2*strideuv, bs[1][4*j], qpc_top, a, b, 0, h->loopf.deblock_luma[1] ); } else if( chroma_format ) deblock_edge( h, pixuv + j*strideuv, 2*strideuv, bs[1][4*j], qpc_top, a, b, 1, h->loopf.deblock_chroma[1] ); } } else { int qpt = h->mb.qp[h->mb.i_mb_top_xy]; int qp_top = (qp + qpt + 1) >> 1; int qpc_top = (qpc + h->chroma_qp_table[qpt] + 1) >> 1; int intra_top = IS_INTRA( h->mb.type[h->mb.i_mb_top_xy] ); int intra_deblock = intra_cur || intra_top; /* This edge has been modified, reset effective qp to max. */ if( h->fdec->mb_info && M32( bs[1][0] ) ) { RESET_EFFECTIVE_QP(mb_xy); RESET_EFFECTIVE_QP(h->mb.i_mb_top_xy); } if( (!b_interlaced || (!MB_INTERLACED && !h->mb.field[h->mb.i_mb_top_xy])) && intra_deblock ) { FILTER( _intra, 1, 0, qp_top, qpc_top ); } else { if( intra_deblock ) M32( bs[1][0] ) = 0x03030303; FILTER( , 1, 0, qp_top, qpc_top ); } } } if( !first_edge_only ) { FILTER( , 1, 1, qp, qpc ); FILTER( , 1, 2, qp, qpc ); FILTER( , 1, 3, qp, qpc ); } #undef FILTER } } /* For deblock-aware RD. * TODO: * deblock macroblock edges * support analysis partitions smaller than 16x16 * deblock chroma for 4:2:0/4:2:2 * handle duplicate refs correctly */ void x264_macroblock_deblock( x264_t *h ) { int a = h->sh.i_alpha_c0_offset - QP_BD_OFFSET; int b = h->sh.i_beta_offset - QP_BD_OFFSET; int qp_thresh = 15 - X264_MIN( a, b ) - X264_MAX( 0, h->pps->i_chroma_qp_index_offset ); int intra_cur = IS_INTRA( h->mb.i_type ); int qp = h->mb.i_qp; int qpc = h->mb.i_chroma_qp; if( (h->mb.i_partition == D_16x16 && !h->mb.i_cbp_luma && !intra_cur) || qp <= qp_thresh ) return; uint8_t (*bs)[8][4] = h->mb.cache.deblock_strength; if( intra_cur ) { M32( bs[0][1] ) = 0x03030303; M64( bs[0][2] ) = 0x0303030303030303ULL; M32( bs[1][1] ) = 0x03030303; M64( bs[1][2] ) = 0x0303030303030303ULL; } else h->loopf.deblock_strength( h->mb.cache.non_zero_count, h->mb.cache.ref, h->mb.cache.mv, bs, 4 >> MB_INTERLACED, h->sh.i_type == SLICE_TYPE_B ); int transform_8x8 = h->mb.b_transform_8x8; #define FILTER( dir, edge )\ do\ {\ deblock_edge( h, h->mb.pic.p_fdec[0] + 4*edge*(dir?FDEC_STRIDE:1),\ FDEC_STRIDE, bs[dir][edge], qp, a, b, 0,\ h->loopf.deblock_luma[dir] );\ if( CHROMA444 )\ {\ deblock_edge( h, h->mb.pic.p_fdec[1] + 4*edge*(dir?FDEC_STRIDE:1),\ FDEC_STRIDE, bs[dir][edge], qpc, a, b, 0,\ h->loopf.deblock_luma[dir] );\ deblock_edge( h, h->mb.pic.p_fdec[2] + 4*edge*(dir?FDEC_STRIDE:1),\ FDEC_STRIDE, bs[dir][edge], qpc, a, b, 0,\ h->loopf.deblock_luma[dir] );\ }\ } while( 0 ) if( !transform_8x8 ) FILTER( 0, 1 ); FILTER( 0, 2 ); if( !transform_8x8 ) FILTER( 0, 3 ); if( !transform_8x8 ) FILTER( 1, 1 ); FILTER( 1, 2 ); if( !transform_8x8 ) FILTER( 1, 3 ); #undef FILTER } #if HAVE_MMX #include "x86/deblock.h" #endif #if HAVE_ALTIVEC #include "ppc/deblock.h" #endif #if HAVE_ARMV6 #include "arm/deblock.h" #endif #if HAVE_AARCH64 #include "aarch64/deblock.h" #endif #if HAVE_MSA #include "mips/deblock.h" #endif void x264_deblock_init( uint32_t cpu, x264_deblock_function_t *pf, int b_mbaff ) { pf->deblock_luma[1] = deblock_v_luma_c; pf->deblock_luma[0] = deblock_h_luma_c; pf->deblock_chroma[1] = deblock_v_chroma_c; pf->deblock_h_chroma_420 = deblock_h_chroma_c; pf->deblock_h_chroma_422 = deblock_h_chroma_422_c; pf->deblock_luma_intra[1] = deblock_v_luma_intra_c; pf->deblock_luma_intra[0] = deblock_h_luma_intra_c; pf->deblock_chroma_intra[1] = deblock_v_chroma_intra_c; pf->deblock_h_chroma_420_intra = deblock_h_chroma_intra_c; pf->deblock_h_chroma_422_intra = deblock_h_chroma_422_intra_c; pf->deblock_luma_mbaff = deblock_h_luma_mbaff_c; pf->deblock_chroma_420_mbaff = deblock_h_chroma_mbaff_c; pf->deblock_luma_intra_mbaff = deblock_h_luma_intra_mbaff_c; pf->deblock_chroma_420_intra_mbaff = deblock_h_chroma_intra_mbaff_c; pf->deblock_strength = deblock_strength_c; #if HAVE_MMX if( cpu&X264_CPU_MMX2 ) { #if ARCH_X86 pf->deblock_luma[1] = x264_deblock_v_luma_mmx2; pf->deblock_luma[0] = x264_deblock_h_luma_mmx2; pf->deblock_chroma[1] = x264_deblock_v_chroma_mmx2; pf->deblock_h_chroma_420 = x264_deblock_h_chroma_mmx2; pf->deblock_chroma_420_mbaff = x264_deblock_h_chroma_mbaff_mmx2; pf->deblock_h_chroma_422 = x264_deblock_h_chroma_422_mmx2; pf->deblock_h_chroma_422_intra = x264_deblock_h_chroma_422_intra_mmx2; pf->deblock_luma_intra[1] = x264_deblock_v_luma_intra_mmx2; pf->deblock_luma_intra[0] = x264_deblock_h_luma_intra_mmx2; pf->deblock_chroma_intra[1] = x264_deblock_v_chroma_intra_mmx2; pf->deblock_h_chroma_420_intra = x264_deblock_h_chroma_intra_mmx2; pf->deblock_chroma_420_intra_mbaff = x264_deblock_h_chroma_intra_mbaff_mmx2; #endif #if !HIGH_BIT_DEPTH pf->deblock_chroma_420_intra_mbaff = x264_deblock_h_chroma_intra_mbaff_mmx2; #endif if( cpu&X264_CPU_SSE2 ) { pf->deblock_strength = x264_deblock_strength_sse2; pf->deblock_h_chroma_420 = x264_deblock_h_chroma_sse2; pf->deblock_h_chroma_422 = x264_deblock_h_chroma_422_sse2; pf->deblock_h_chroma_422_intra = x264_deblock_h_chroma_422_intra_sse2; pf->deblock_chroma_420_mbaff = x264_deblock_h_chroma_mbaff_sse2; pf->deblock_luma[1] = x264_deblock_v_luma_sse2; pf->deblock_luma[0] = x264_deblock_h_luma_sse2; pf->deblock_luma_intra[1] = x264_deblock_v_luma_intra_sse2; pf->deblock_luma_intra[0] = x264_deblock_h_luma_intra_sse2; if( !(cpu&X264_CPU_STACK_MOD4) ) { pf->deblock_chroma[1] = x264_deblock_v_chroma_sse2; pf->deblock_chroma_intra[1] = x264_deblock_v_chroma_intra_sse2; pf->deblock_h_chroma_420_intra = x264_deblock_h_chroma_intra_sse2; #if HIGH_BIT_DEPTH pf->deblock_chroma_420_intra_mbaff= x264_deblock_h_chroma_intra_mbaff_sse2; #endif } } if( cpu&X264_CPU_SSSE3 ) pf->deblock_strength = x264_deblock_strength_ssse3; if( cpu&X264_CPU_AVX ) { pf->deblock_strength = x264_deblock_strength_avx; pf->deblock_h_chroma_420 = x264_deblock_h_chroma_avx; pf->deblock_h_chroma_422 = x264_deblock_h_chroma_422_avx; pf->deblock_h_chroma_422_intra = x264_deblock_h_chroma_422_intra_avx; pf->deblock_luma[1] = x264_deblock_v_luma_avx; pf->deblock_luma[0] = x264_deblock_h_luma_avx; pf->deblock_luma_intra[1] = x264_deblock_v_luma_intra_avx; pf->deblock_luma_intra[0] = x264_deblock_h_luma_intra_avx; if( !(cpu&X264_CPU_STACK_MOD4) ) { pf->deblock_chroma[1] = x264_deblock_v_chroma_avx; pf->deblock_chroma_intra[1] = x264_deblock_v_chroma_intra_avx; pf->deblock_h_chroma_420_intra = x264_deblock_h_chroma_intra_avx; #if HIGH_BIT_DEPTH pf->deblock_chroma_420_mbaff = x264_deblock_h_chroma_mbaff_avx; pf->deblock_chroma_420_intra_mbaff = x264_deblock_h_chroma_intra_mbaff_avx; #endif } } if( cpu&X264_CPU_AVX2 ) { pf->deblock_strength = x264_deblock_strength_avx2; } if( cpu&X264_CPU_AVX512 ) { pf->deblock_strength = x264_deblock_strength_avx512; } } #endif #if !HIGH_BIT_DEPTH #if HAVE_ALTIVEC if( cpu&X264_CPU_ALTIVEC ) { pf->deblock_luma[1] = x264_deblock_v_luma_altivec; pf->deblock_luma[0] = x264_deblock_h_luma_altivec; } #endif // HAVE_ALTIVEC #if HAVE_ARMV6 || HAVE_AARCH64 if( cpu&X264_CPU_NEON ) { pf->deblock_luma[1] = x264_deblock_v_luma_neon; pf->deblock_luma[0] = x264_deblock_h_luma_neon; pf->deblock_chroma[1] = x264_deblock_v_chroma_neon; pf->deblock_h_chroma_420 = x264_deblock_h_chroma_neon; pf->deblock_h_chroma_422 = x264_deblock_h_chroma_422_neon; pf->deblock_chroma_420_mbaff = x264_deblock_h_chroma_mbaff_neon; pf->deblock_chroma_420_intra_mbaff = x264_deblock_h_chroma_intra_mbaff_neon; pf->deblock_h_chroma_420_intra = x264_deblock_h_chroma_intra_neon; pf->deblock_h_chroma_422_intra = x264_deblock_h_chroma_422_intra_neon; pf->deblock_chroma_intra[1] = x264_deblock_v_chroma_intra_neon; pf->deblock_luma_intra[0] = x264_deblock_h_luma_intra_neon; pf->deblock_luma_intra[1] = x264_deblock_v_luma_intra_neon; pf->deblock_strength = x264_deblock_strength_neon; } #endif #if HAVE_MSA if( cpu&X264_CPU_MSA ) { pf->deblock_luma[1] = x264_deblock_v_luma_msa; pf->deblock_luma[0] = x264_deblock_h_luma_msa; pf->deblock_chroma[1] = x264_deblock_v_chroma_msa; pf->deblock_h_chroma_420 = x264_deblock_h_chroma_msa; pf->deblock_luma_intra[1] = x264_deblock_v_luma_intra_msa; pf->deblock_luma_intra[0] = x264_deblock_h_luma_intra_msa; pf->deblock_chroma_intra[1] = x264_deblock_v_chroma_intra_msa; pf->deblock_h_chroma_420_intra = x264_deblock_h_chroma_intra_msa; pf->deblock_strength = x264_deblock_strength_msa; } #endif #endif // !HIGH_BIT_DEPTH /* These functions are equivalent, so don't duplicate them. */ pf->deblock_chroma_422_mbaff = pf->deblock_h_chroma_420; pf->deblock_chroma_422_intra_mbaff = pf->deblock_h_chroma_420_intra; }