--- /dev/null
+/*****************************************************************************
+ * deblock.c: h264 encoder library
+ *****************************************************************************
+ * Copyright (C) 2003-2008 x264 project
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Loren Merritt <lorenm@u.washington.edu>
+ * Fiona Glaser <fiona@x264.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"
+
+/* cavlc + 8x8 transform stores nnz per 16 coeffs for the purpose of
+ * entropy coding, but per 64 coeffs for the purpose of deblocking */
+static void munge_cavlc_nnz_row( x264_t *h, int mb_y, uint8_t (*buf)[16] )
+{
+ uint32_t (*src)[6] = (uint32_t(*)[6])h->mb.non_zero_count + mb_y * h->sps->i_mb_width;
+ int8_t *transform = h->mb.mb_transform_size + mb_y * h->sps->i_mb_width;
+ for( int x = 0; x<h->sps->i_mb_width; x++ )
+ {
+ memcpy( buf+x, src+x, 16 );
+ if( transform[x] )
+ {
+ int nnz = src[x][0] | src[x][1];
+ src[x][0] = src[x][1] = ((uint16_t)nnz ? 0x0101 : 0) + (nnz>>16 ? 0x01010000 : 0);
+ nnz = src[x][2] | src[x][3];
+ src[x][2] = src[x][3] = ((uint16_t)nnz ? 0x0101 : 0) + (nnz>>16 ? 0x01010000 : 0);
+ }
+ }
+}
+
+static void restore_cavlc_nnz_row( x264_t *h, int mb_y, uint8_t (*buf)[16] )
+{
+ uint8_t (*dst)[24] = h->mb.non_zero_count + mb_y * h->sps->i_mb_width;
+ for( int x = 0; x < h->sps->i_mb_width; x++ )
+ memcpy( dst+x, buf+x, 16 );
+}
+
+static void munge_cavlc_nnz( x264_t *h, int mb_y, uint8_t (*buf)[16], void (*func)(x264_t*, int, uint8_t (*)[16]) )
+{
+ func( h, mb_y, buf );
+ if( mb_y > 0 )
+ func( h, mb_y-1, buf + h->sps->i_mb_width );
+ if( h->sh.b_mbaff )
+ {
+ func( h, mb_y+1, buf + h->sps->i_mb_width * 2 );
+ if( mb_y > 0 )
+ func( h, mb_y-2, buf + h->sps->i_mb_width * 3 );
+ }
+}
+
+
+/* Deblocking filter */
+static const uint8_t i_alpha_table[52+12*2] =
+{
+ 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*2] =
+{
+ 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*2][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, 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)+12]
+#define beta_table(x) i_beta_table[(x)+12]
+#define tc0_table(x) i_tc0_table[(x)+12]
+
+/* From ffmpeg */
+static inline void deblock_luma_c( uint8_t *pix, int xstride, int 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++ )
+ {
+ 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[i];
+ int delta;
+ if( abs( p2 - p0 ) < beta )
+ {
+ if( tc0[i] )
+ pix[-2*xstride] = p1 + x264_clip3( (( p2 + ((p0 + q0 + 1) >> 1)) >> 1) - p1, -tc0[i], tc0[i] );
+ tc++;
+ }
+ if( abs( q2 - q0 ) < beta )
+ {
+ if( tc0[i] )
+ pix[ 1*xstride] = q1 + x264_clip3( (( q2 + ((p0 + q0 + 1) >> 1)) >> 1) - q1, -tc0[i], tc0[i] );
+ tc++;
+ }
+
+ delta = x264_clip3( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
+ pix[-1*xstride] = x264_clip_uint8( p0 + delta ); /* p0' */
+ pix[ 0*xstride] = x264_clip_uint8( q0 - delta ); /* q0' */
+ }
+ pix += ystride;
+ }
+ }
+}
+static void deblock_v_luma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
+{
+ deblock_luma_c( pix, stride, 1, alpha, beta, tc0 );
+}
+static void deblock_h_luma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
+{
+ deblock_luma_c( pix, 1, stride, alpha, beta, tc0 );
+}
+
+static inline void deblock_chroma_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0 )
+{
+ for( int i = 0; i < 4; i++ )
+ {
+ int tc = tc0[i];
+ if( tc <= 0 )
+ {
+ pix += 2*ystride;
+ continue;
+ }
+ for( int d = 0; d < 2; d++ )
+ {
+ 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 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
+ pix[-1*xstride] = x264_clip_uint8( p0 + delta ); /* p0' */
+ pix[ 0*xstride] = x264_clip_uint8( q0 - delta ); /* q0' */
+ }
+ pix += ystride;
+ }
+ }
+}
+static void deblock_v_chroma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
+{
+ deblock_chroma_c( pix, stride, 1, alpha, beta, tc0 );
+}
+static void deblock_h_chroma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
+{
+ deblock_chroma_c( pix, 1, stride, alpha, beta, tc0 );
+}
+
+static inline void deblock_luma_intra_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta )
+{
+ for( int d = 0; d < 16; d++ )
+ {
+ 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;
+ }
+ }
+ pix += ystride;
+ }
+}
+static void deblock_v_luma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
+{
+ deblock_luma_intra_c( pix, stride, 1, alpha, beta );
+}
+static void deblock_h_luma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
+{
+ deblock_luma_intra_c( pix, 1, stride, alpha, beta );
+}
+
+static inline void deblock_chroma_intra_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta )
+{
+ for( int d = 0; d < 8; d++ )
+ {
+ 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' */
+ }
+ pix += ystride;
+ }
+}
+static void deblock_v_chroma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
+{
+ deblock_chroma_intra_c( pix, stride, 1, alpha, beta );
+}
+static void deblock_h_chroma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
+{
+ deblock_chroma_intra_c( pix, 1, stride, alpha, beta );
+}
+
+static inline void deblock_edge( x264_t *h, uint8_t *pix1, uint8_t *pix2, int i_stride, uint8_t bS[4], int i_qp, int b_chroma, x264_deblock_inter_t pf_inter )
+{
+ int index_a = i_qp + h->sh.i_alpha_c0_offset;
+ int alpha = alpha_table(index_a);
+ int beta = beta_table(i_qp + h->sh.i_beta_offset);
+ int8_t tc[4];
+
+ if( !alpha || !beta )
+ return;
+
+ tc[0] = tc0_table(index_a)[bS[0]] + b_chroma;
+ tc[1] = tc0_table(index_a)[bS[1]] + b_chroma;
+ tc[2] = tc0_table(index_a)[bS[2]] + b_chroma;
+ tc[3] = tc0_table(index_a)[bS[3]] + b_chroma;
+
+ pf_inter( pix1, i_stride, alpha, beta, tc );
+ if( b_chroma )
+ pf_inter( pix2, i_stride, alpha, beta, tc );
+}
+
+static inline void deblock_edge_intra( x264_t *h, uint8_t *pix1, uint8_t *pix2, int i_stride, uint8_t bS[4], int i_qp, int b_chroma, x264_deblock_intra_t pf_intra )
+{
+ int alpha = alpha_table(i_qp + h->sh.i_alpha_c0_offset);
+ int beta = beta_table(i_qp + h->sh.i_beta_offset);
+
+ if( !alpha || !beta )
+ return;
+
+ pf_intra( pix1, i_stride, alpha, beta );
+ if( b_chroma )
+ pf_intra( pix2, i_stride, alpha, beta );
+}
+
+void x264_frame_deblock_row( x264_t *h, int mb_y )
+{
+ int s8x8 = 2 * h->mb.i_mb_stride;
+ int s4x4 = 4 * h->mb.i_mb_stride;
+ int b_interlaced = h->sh.b_mbaff;
+ int mvy_limit = 4 >> b_interlaced;
+ int qp_thresh = 15 - X264_MIN(h->sh.i_alpha_c0_offset, h->sh.i_beta_offset) - X264_MAX(0, h->param.analyse.i_chroma_qp_offset);
+ int no_sub8x8 = !(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
+ int mb_x;
+ int stridey = h->fdec->i_stride[0];
+ int stride2y = stridey << b_interlaced;
+ int strideuv = h->fdec->i_stride[1];
+ int stride2uv = strideuv << b_interlaced;
+ int deblock_on_slice_edges = h->sh.i_disable_deblocking_filter_idc != 2;
+ int ref_table[32+2];
+ #define ref_table(x) ref_table[x+2]
+ uint8_t (*nnz_backup)[16] = h->scratch_buffer;
+
+ ref_table(-2) = -2;
+ ref_table(-1) = -1;
+ for( int i = 0; i < (h->i_ref0 << h->sh.b_mbaff); i++ )
+ {
+ if( !h->mb.b_interlaced )
+ ref_table(i) = h->fref0[i]->i_poc;
+ else
+ ref_table(i) = h->fref0[i>>1]->i_poc + (i&1);
+ }
+
+ if( !h->pps->b_cabac && h->pps->b_transform_8x8_mode )
+ munge_cavlc_nnz( h, mb_y, nnz_backup, munge_cavlc_nnz_row );
+
+ for( mb_x = 0; mb_x < h->sps->i_mb_width; mb_x += (~b_interlaced | mb_y)&1, mb_y ^= b_interlaced )
+ {
+ int mb_xy = mb_y * h->mb.i_mb_stride + mb_x;
+ int mb_8x8 = 2 * s8x8 * mb_y + 2 * mb_x;
+ int mb_4x4 = 4 * s4x4 * mb_y + 4 * mb_x;
+ int b_8x8_transform = h->mb.mb_transform_size[mb_xy];
+ int i_qp = h->mb.qp[mb_xy];
+ int i_edge_end = (h->mb.type[mb_xy] == P_SKIP) ? 1 : 4;
+ uint8_t *pixy = h->fdec->plane[0] + 16*mb_y*stridey + 16*mb_x;
+ uint8_t *pixu = h->fdec->plane[1] + 8*mb_y*strideuv + 8*mb_x;
+ uint8_t *pixv = h->fdec->plane[2] + 8*mb_y*strideuv + 8*mb_x;
+ if( b_interlaced && (mb_y&1) )
+ {
+ pixy -= 15*stridey;
+ pixu -= 7*strideuv;
+ pixv -= 7*strideuv;
+ }
+
+ x264_prefetch_fenc( h, h->fdec, mb_x, mb_y );
+
+ if( i_qp <= qp_thresh )
+ i_edge_end = 1;
+
+ #define FILTER_DIR(intra, i_dir)\
+ {\
+ /* Y plane */\
+ i_qpn= h->mb.qp[mbn_xy];\
+ if( i_dir == 0 )\
+ {\
+ /* vertical edge */\
+ deblock_edge##intra( h, pixy + 4*i_edge, NULL,\
+ stride2y, bS, (i_qp+i_qpn+1) >> 1, 0,\
+ h->loopf.deblock_h_luma##intra );\
+ if( !(i_edge & 1) )\
+ {\
+ /* U/V planes */\
+ int i_qpc = (h->chroma_qp_table[i_qp] + h->chroma_qp_table[i_qpn] + 1) >> 1;\
+ deblock_edge##intra( h, pixu + 2*i_edge, pixv + 2*i_edge,\
+ stride2uv, bS, i_qpc, 1,\
+ h->loopf.deblock_h_chroma##intra );\
+ }\
+ }\
+ else\
+ {\
+ /* horizontal edge */\
+ deblock_edge##intra( h, pixy + 4*i_edge*stride2y, NULL,\
+ stride2y, bS, (i_qp+i_qpn+1) >> 1, 0,\
+ h->loopf.deblock_v_luma##intra );\
+ /* U/V planes */\
+ if( !(i_edge & 1) )\
+ {\
+ int i_qpc = (h->chroma_qp_table[i_qp] + h->chroma_qp_table[i_qpn] + 1) >> 1;\
+ deblock_edge##intra( h, pixu + 2*i_edge*stride2uv, pixv + 2*i_edge*stride2uv,\
+ stride2uv, bS, i_qpc, 1,\
+ h->loopf.deblock_v_chroma##intra );\
+ }\
+ }\
+ }
+
+ #define DEBLOCK_STRENGTH(i_dir)\
+ {\
+ /* *** Get bS for each 4px for the current edge *** */\
+ if( IS_INTRA( h->mb.type[mb_xy] ) || IS_INTRA( h->mb.type[mbn_xy]) )\
+ M32( bS ) = 0x03030303;\
+ else\
+ {\
+ M32( bS ) = 0x00000000;\
+ for( int i = 0; i < 4; i++ )\
+ {\
+ int x = i_dir == 0 ? i_edge : i;\
+ int y = i_dir == 0 ? i : i_edge;\
+ int xn = i_dir == 0 ? (x - 1)&0x03 : x;\
+ int yn = i_dir == 0 ? y : (y - 1)&0x03;\
+ if( h->mb.non_zero_count[mb_xy][x+y*4] != 0 ||\
+ h->mb.non_zero_count[mbn_xy][xn+yn*4] != 0 )\
+ bS[i] = 2;\
+ else if(!(i_edge&no_sub8x8))\
+ {\
+ if((i&no_sub8x8) && bS[i-1] != 2)\
+ bS[i] = bS[i-1];\
+ else\
+ {\
+ int i8p= mb_8x8+(x>>1)+(y>>1)*s8x8;\
+ int i8q= mbn_8x8+(xn>>1)+(yn>>1)*s8x8;\
+ int i4p= mb_4x4+x+y*s4x4;\
+ int i4q= mbn_4x4+xn+yn*s4x4;\
+ if((!(ref_table(h->mb.ref[0][i8p]) == ref_table(h->mb.ref[0][i8q])) ||\
+ abs( h->mb.mv[0][i4p][0] - h->mb.mv[0][i4q][0] ) >= 4 ||\
+ abs( h->mb.mv[0][i4p][1] - h->mb.mv[0][i4q][1] ) >= mvy_limit ) ||\
+ (h->sh.i_type == SLICE_TYPE_B &&\
+ (h->mb.ref[1][i8p] != h->mb.ref[1][i8q] ||\
+ abs( h->mb.mv[1][i4p][0] - h->mb.mv[1][i4q][0] ) >= 4 ||\
+ abs( h->mb.mv[1][i4p][1] - h->mb.mv[1][i4q][1] ) >= mvy_limit )))\
+ {\
+ bS[i] = 1;\
+ }\
+ }\
+ }\
+ }\
+ }\
+ }
+
+ /* i_dir == 0 -> vertical edge
+ * i_dir == 1 -> horizontal edge */
+ #define DEBLOCK_DIR(i_dir)\
+ {\
+ int i_edge = 0;\
+ int i_qpn, mbn_xy, mbn_8x8, mbn_4x4;\
+ ALIGNED_4( uint8_t bS[4] ); /* filtering strength */\
+ /* We don't have to consider the MBAFF case of a slice breaking in the middle\
+ * of a row because x264 doesn't support that case. If we add support for that,\
+ * this will have to become significantly more complex. */\
+ if( i_dir == 0 && (mb_x == 0 || (!deblock_on_slice_edges &&\
+ h->mb.slice_table[mb_xy] != h->mb.slice_table[mb_xy-1])) )\
+ i_edge++;\
+ if( i_dir == 1 && (mb_y <= b_interlaced || (!deblock_on_slice_edges &&\
+ h->mb.slice_table[mb_xy] != h->mb.slice_table[mb_xy-(h->mb.i_mb_stride<<b_interlaced)])) )\
+ i_edge++;\
+ if( i_edge )\
+ i_edge+= b_8x8_transform;\
+ else\
+ {\
+ mbn_xy = i_dir == 0 ? mb_xy - 1 : mb_xy - h->mb.i_mb_stride;\
+ mbn_8x8 = i_dir == 0 ? mb_8x8 - 2 : mb_8x8 - 2 * s8x8;\
+ mbn_4x4 = i_dir == 0 ? mb_4x4 - 4 : mb_4x4 - 4 * s4x4;\
+ if( b_interlaced && i_dir == 1 )\
+ {\
+ mbn_xy -= h->mb.i_mb_stride;\
+ mbn_8x8 -= 2 * s8x8;\
+ mbn_4x4 -= 4 * s4x4;\
+ }\
+ else if( IS_INTRA( h->mb.type[mb_xy] ) || IS_INTRA( h->mb.type[mbn_xy]) )\
+ {\
+ FILTER_DIR( _intra, i_dir );\
+ goto end##i_dir;\
+ }\
+ DEBLOCK_STRENGTH(i_dir);\
+ if( M32( bS ) )\
+ FILTER_DIR( , i_dir);\
+ end##i_dir:\
+ i_edge += b_8x8_transform+1;\
+ }\
+ mbn_xy = mb_xy;\
+ mbn_8x8 = mb_8x8;\
+ mbn_4x4 = mb_4x4;\
+ for( ; i_edge < i_edge_end; i_edge+=b_8x8_transform+1 )\
+ {\
+ DEBLOCK_STRENGTH(i_dir);\
+ if( M32( bS ) )\
+ FILTER_DIR( , i_dir);\
+ }\
+ }
+
+ DEBLOCK_DIR(0);
+ DEBLOCK_DIR(1);
+ }
+
+ if( !h->pps->b_cabac && h->pps->b_transform_8x8_mode )
+ munge_cavlc_nnz( h, mb_y, nnz_backup, restore_cavlc_nnz_row );
+}
+
+void x264_frame_deblock( x264_t *h )
+{
+ for( int mb_y = 0; mb_y < h->sps->i_mb_height; mb_y += 1 + h->sh.b_mbaff )
+ x264_frame_deblock_row( h, mb_y );
+}
+
+#ifdef HAVE_MMX
+void x264_deblock_v_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_h_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_v_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
+void x264_deblock_h_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
+
+void x264_deblock_v_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_h_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_v_luma_intra_sse2( uint8_t *pix, int stride, int alpha, int beta );
+void x264_deblock_h_luma_intra_sse2( uint8_t *pix, int stride, int alpha, int beta );
+#ifdef ARCH_X86
+void x264_deblock_h_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_v8_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_h_luma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
+void x264_deblock_v8_luma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
+
+static void x264_deblock_v_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
+{
+ x264_deblock_v8_luma_mmxext( pix, stride, alpha, beta, tc0 );
+ x264_deblock_v8_luma_mmxext( pix+8, stride, alpha, beta, tc0+2 );
+}
+static void x264_deblock_v_luma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta )
+{
+ x264_deblock_v8_luma_intra_mmxext( pix, stride, alpha, beta );
+ x264_deblock_v8_luma_intra_mmxext( pix+8, stride, alpha, beta );
+}
+#endif
+#endif
+
+#ifdef ARCH_PPC
+void x264_deblock_v_luma_altivec( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+void x264_deblock_h_luma_altivec( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
+#endif // ARCH_PPC
+
+#ifdef HAVE_ARMV6
+void x264_deblock_v_luma_neon( uint8_t *, int, int, int, int8_t * );
+void x264_deblock_h_luma_neon( uint8_t *, int, int, int, int8_t * );
+void x264_deblock_v_chroma_neon( uint8_t *, int, int, int, int8_t * );
+void x264_deblock_h_chroma_neon( uint8_t *, int, int, int, int8_t * );
+#endif
+
+void x264_deblock_init( int cpu, x264_deblock_function_t *pf )
+{
+ pf->deblock_v_luma = deblock_v_luma_c;
+ pf->deblock_h_luma = deblock_h_luma_c;
+ pf->deblock_v_chroma = deblock_v_chroma_c;
+ pf->deblock_h_chroma = deblock_h_chroma_c;
+ pf->deblock_v_luma_intra = deblock_v_luma_intra_c;
+ pf->deblock_h_luma_intra = deblock_h_luma_intra_c;
+ pf->deblock_v_chroma_intra = deblock_v_chroma_intra_c;
+ pf->deblock_h_chroma_intra = deblock_h_chroma_intra_c;
+
+#ifdef HAVE_MMX
+ if( cpu&X264_CPU_MMXEXT )
+ {
+ pf->deblock_v_chroma = x264_deblock_v_chroma_mmxext;
+ pf->deblock_h_chroma = x264_deblock_h_chroma_mmxext;
+ pf->deblock_v_chroma_intra = x264_deblock_v_chroma_intra_mmxext;
+ pf->deblock_h_chroma_intra = x264_deblock_h_chroma_intra_mmxext;
+#ifdef ARCH_X86
+ pf->deblock_v_luma = x264_deblock_v_luma_mmxext;
+ pf->deblock_h_luma = x264_deblock_h_luma_mmxext;
+ pf->deblock_v_luma_intra = x264_deblock_v_luma_intra_mmxext;
+ pf->deblock_h_luma_intra = x264_deblock_h_luma_intra_mmxext;
+#endif
+ if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_STACK_MOD4) )
+ {
+ pf->deblock_v_luma = x264_deblock_v_luma_sse2;
+ pf->deblock_h_luma = x264_deblock_h_luma_sse2;
+ pf->deblock_v_luma_intra = x264_deblock_v_luma_intra_sse2;
+ pf->deblock_h_luma_intra = x264_deblock_h_luma_intra_sse2;
+ }
+ }
+#endif
+
+#ifdef HAVE_ALTIVEC
+ if( cpu&X264_CPU_ALTIVEC )
+ {
+ pf->deblock_v_luma = x264_deblock_v_luma_altivec;
+ pf->deblock_h_luma = x264_deblock_h_luma_altivec;
+ }
+#endif // HAVE_ALTIVEC
+
+#ifdef HAVE_ARMV6
+ if( cpu&X264_CPU_NEON )
+ {
+ pf->deblock_v_luma = x264_deblock_v_luma_neon;
+ pf->deblock_h_luma = x264_deblock_h_luma_neon;
+ pf->deblock_v_chroma = x264_deblock_v_chroma_neon;
+ pf->deblock_h_chroma = x264_deblock_h_chroma_neon;
+ }
+#endif
+}
}
}
-
-/* cavlc + 8x8 transform stores nnz per 16 coeffs for the purpose of
- * entropy coding, but per 64 coeffs for the purpose of deblocking */
-static void munge_cavlc_nnz_row( x264_t *h, int mb_y, uint8_t (*buf)[16] )
-{
- uint32_t (*src)[6] = (uint32_t(*)[6])h->mb.non_zero_count + mb_y * h->sps->i_mb_width;
- int8_t *transform = h->mb.mb_transform_size + mb_y * h->sps->i_mb_width;
- for( int x = 0; x<h->sps->i_mb_width; x++ )
- {
- memcpy( buf+x, src+x, 16 );
- if( transform[x] )
- {
- int nnz = src[x][0] | src[x][1];
- src[x][0] = src[x][1] = ((uint16_t)nnz ? 0x0101 : 0) + (nnz>>16 ? 0x01010000 : 0);
- nnz = src[x][2] | src[x][3];
- src[x][2] = src[x][3] = ((uint16_t)nnz ? 0x0101 : 0) + (nnz>>16 ? 0x01010000 : 0);
- }
- }
-}
-
-static void restore_cavlc_nnz_row( x264_t *h, int mb_y, uint8_t (*buf)[16] )
-{
- uint8_t (*dst)[24] = h->mb.non_zero_count + mb_y * h->sps->i_mb_width;
- for( int x = 0; x < h->sps->i_mb_width; x++ )
- memcpy( dst+x, buf+x, 16 );
-}
-
-static void munge_cavlc_nnz( x264_t *h, int mb_y, uint8_t (*buf)[16], void (*func)(x264_t*, int, uint8_t (*)[16]) )
-{
- func( h, mb_y, buf );
- if( mb_y > 0 )
- func( h, mb_y-1, buf + h->sps->i_mb_width );
- if( h->sh.b_mbaff )
- {
- func( h, mb_y+1, buf + h->sps->i_mb_width * 2 );
- if( mb_y > 0 )
- func( h, mb_y-2, buf + h->sps->i_mb_width * 3 );
- }
-}
-
-
-/* Deblocking filter */
-static const uint8_t i_alpha_table[52+12*2] =
-{
- 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*2] =
-{
- 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*2][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, 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)+12]
-#define beta_table(x) i_beta_table[(x)+12]
-#define tc0_table(x) i_tc0_table[(x)+12]
-
-/* From ffmpeg */
-static inline void deblock_luma_c( uint8_t *pix, int xstride, int 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++ )
- {
- 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[i];
- int delta;
- if( abs( p2 - p0 ) < beta )
- {
- if( tc0[i] )
- pix[-2*xstride] = p1 + x264_clip3( (( p2 + ((p0 + q0 + 1) >> 1)) >> 1) - p1, -tc0[i], tc0[i] );
- tc++;
- }
- if( abs( q2 - q0 ) < beta )
- {
- if( tc0[i] )
- pix[ 1*xstride] = q1 + x264_clip3( (( q2 + ((p0 + q0 + 1) >> 1)) >> 1) - q1, -tc0[i], tc0[i] );
- tc++;
- }
-
- delta = x264_clip3( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
- pix[-1*xstride] = x264_clip_uint8( p0 + delta ); /* p0' */
- pix[ 0*xstride] = x264_clip_uint8( q0 - delta ); /* q0' */
- }
- pix += ystride;
- }
- }
-}
-static void deblock_v_luma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
-{
- deblock_luma_c( pix, stride, 1, alpha, beta, tc0 );
-}
-static void deblock_h_luma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
-{
- deblock_luma_c( pix, 1, stride, alpha, beta, tc0 );
-}
-
-static inline void deblock_chroma_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0 )
-{
- for( int i = 0; i < 4; i++ )
- {
- int tc = tc0[i];
- if( tc <= 0 )
- {
- pix += 2*ystride;
- continue;
- }
- for( int d = 0; d < 2; d++ )
- {
- 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 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
- pix[-1*xstride] = x264_clip_uint8( p0 + delta ); /* p0' */
- pix[ 0*xstride] = x264_clip_uint8( q0 - delta ); /* q0' */
- }
- pix += ystride;
- }
- }
-}
-static void deblock_v_chroma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
-{
- deblock_chroma_c( pix, stride, 1, alpha, beta, tc0 );
-}
-static void deblock_h_chroma_c( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
-{
- deblock_chroma_c( pix, 1, stride, alpha, beta, tc0 );
-}
-
-static inline void deblock_luma_intra_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta )
-{
- for( int d = 0; d < 16; d++ )
- {
- 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;
- }
- }
- pix += ystride;
- }
-}
-static void deblock_v_luma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
-{
- deblock_luma_intra_c( pix, stride, 1, alpha, beta );
-}
-static void deblock_h_luma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
-{
- deblock_luma_intra_c( pix, 1, stride, alpha, beta );
-}
-
-static inline void deblock_chroma_intra_c( uint8_t *pix, int xstride, int ystride, int alpha, int beta )
-{
- for( int d = 0; d < 8; d++ )
- {
- 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' */
- }
- pix += ystride;
- }
-}
-static void deblock_v_chroma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
-{
- deblock_chroma_intra_c( pix, stride, 1, alpha, beta );
-}
-static void deblock_h_chroma_intra_c( uint8_t *pix, int stride, int alpha, int beta )
-{
- deblock_chroma_intra_c( pix, 1, stride, alpha, beta );
-}
-
-static inline void deblock_edge( x264_t *h, uint8_t *pix1, uint8_t *pix2, int i_stride, uint8_t bS[4], int i_qp, int b_chroma, x264_deblock_inter_t pf_inter )
-{
- int index_a = i_qp + h->sh.i_alpha_c0_offset;
- int alpha = alpha_table(index_a);
- int beta = beta_table(i_qp + h->sh.i_beta_offset);
- int8_t tc[4];
-
- if( !alpha || !beta )
- return;
-
- tc[0] = tc0_table(index_a)[bS[0]] + b_chroma;
- tc[1] = tc0_table(index_a)[bS[1]] + b_chroma;
- tc[2] = tc0_table(index_a)[bS[2]] + b_chroma;
- tc[3] = tc0_table(index_a)[bS[3]] + b_chroma;
-
- pf_inter( pix1, i_stride, alpha, beta, tc );
- if( b_chroma )
- pf_inter( pix2, i_stride, alpha, beta, tc );
-}
-
-static inline void deblock_edge_intra( x264_t *h, uint8_t *pix1, uint8_t *pix2, int i_stride, uint8_t bS[4], int i_qp, int b_chroma, x264_deblock_intra_t pf_intra )
-{
- int alpha = alpha_table(i_qp + h->sh.i_alpha_c0_offset);
- int beta = beta_table(i_qp + h->sh.i_beta_offset);
-
- if( !alpha || !beta )
- return;
-
- pf_intra( pix1, i_stride, alpha, beta );
- if( b_chroma )
- pf_intra( pix2, i_stride, alpha, beta );
-}
-
-void x264_frame_deblock_row( x264_t *h, int mb_y )
-{
- int s8x8 = 2 * h->mb.i_mb_stride;
- int s4x4 = 4 * h->mb.i_mb_stride;
- int b_interlaced = h->sh.b_mbaff;
- int mvy_limit = 4 >> b_interlaced;
- int qp_thresh = 15 - X264_MIN(h->sh.i_alpha_c0_offset, h->sh.i_beta_offset) - X264_MAX(0, h->param.analyse.i_chroma_qp_offset);
- int no_sub8x8 = !(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
- int mb_x;
- int stridey = h->fdec->i_stride[0];
- int stride2y = stridey << b_interlaced;
- int strideuv = h->fdec->i_stride[1];
- int stride2uv = strideuv << b_interlaced;
- int deblock_on_slice_edges = h->sh.i_disable_deblocking_filter_idc != 2;
- int ref_table[32+2];
- #define ref_table(x) ref_table[x+2]
- uint8_t (*nnz_backup)[16] = h->scratch_buffer;
-
- ref_table(-2) = -2;
- ref_table(-1) = -1;
- for( int i = 0; i < (h->i_ref0 << h->sh.b_mbaff); i++ )
- {
- if( !h->mb.b_interlaced )
- ref_table(i) = h->fref0[i]->i_poc;
- else
- ref_table(i) = h->fref0[i>>1]->i_poc + (i&1);
- }
-
- if( !h->pps->b_cabac && h->pps->b_transform_8x8_mode )
- munge_cavlc_nnz( h, mb_y, nnz_backup, munge_cavlc_nnz_row );
-
- for( mb_x = 0; mb_x < h->sps->i_mb_width; mb_x += (~b_interlaced | mb_y)&1, mb_y ^= b_interlaced )
- {
- int mb_xy = mb_y * h->mb.i_mb_stride + mb_x;
- int mb_8x8 = 2 * s8x8 * mb_y + 2 * mb_x;
- int mb_4x4 = 4 * s4x4 * mb_y + 4 * mb_x;
- int b_8x8_transform = h->mb.mb_transform_size[mb_xy];
- int i_qp = h->mb.qp[mb_xy];
- int i_edge_end = (h->mb.type[mb_xy] == P_SKIP) ? 1 : 4;
- uint8_t *pixy = h->fdec->plane[0] + 16*mb_y*stridey + 16*mb_x;
- uint8_t *pixu = h->fdec->plane[1] + 8*mb_y*strideuv + 8*mb_x;
- uint8_t *pixv = h->fdec->plane[2] + 8*mb_y*strideuv + 8*mb_x;
- if( b_interlaced && (mb_y&1) )
- {
- pixy -= 15*stridey;
- pixu -= 7*strideuv;
- pixv -= 7*strideuv;
- }
-
- x264_prefetch_fenc( h, h->fdec, mb_x, mb_y );
-
- if( i_qp <= qp_thresh )
- i_edge_end = 1;
-
- #define FILTER_DIR(intra, i_dir)\
- {\
- /* Y plane */\
- i_qpn= h->mb.qp[mbn_xy];\
- if( i_dir == 0 )\
- {\
- /* vertical edge */\
- deblock_edge##intra( h, pixy + 4*i_edge, NULL,\
- stride2y, bS, (i_qp+i_qpn+1) >> 1, 0,\
- h->loopf.deblock_h_luma##intra );\
- if( !(i_edge & 1) )\
- {\
- /* U/V planes */\
- int i_qpc = (h->chroma_qp_table[i_qp] + h->chroma_qp_table[i_qpn] + 1) >> 1;\
- deblock_edge##intra( h, pixu + 2*i_edge, pixv + 2*i_edge,\
- stride2uv, bS, i_qpc, 1,\
- h->loopf.deblock_h_chroma##intra );\
- }\
- }\
- else\
- {\
- /* horizontal edge */\
- deblock_edge##intra( h, pixy + 4*i_edge*stride2y, NULL,\
- stride2y, bS, (i_qp+i_qpn+1) >> 1, 0,\
- h->loopf.deblock_v_luma##intra );\
- /* U/V planes */\
- if( !(i_edge & 1) )\
- {\
- int i_qpc = (h->chroma_qp_table[i_qp] + h->chroma_qp_table[i_qpn] + 1) >> 1;\
- deblock_edge##intra( h, pixu + 2*i_edge*stride2uv, pixv + 2*i_edge*stride2uv,\
- stride2uv, bS, i_qpc, 1,\
- h->loopf.deblock_v_chroma##intra );\
- }\
- }\
- }
-
- #define DEBLOCK_STRENGTH(i_dir)\
- {\
- /* *** Get bS for each 4px for the current edge *** */\
- if( IS_INTRA( h->mb.type[mb_xy] ) || IS_INTRA( h->mb.type[mbn_xy]) )\
- M32( bS ) = 0x03030303;\
- else\
- {\
- M32( bS ) = 0x00000000;\
- for( int i = 0; i < 4; i++ )\
- {\
- int x = i_dir == 0 ? i_edge : i;\
- int y = i_dir == 0 ? i : i_edge;\
- int xn = i_dir == 0 ? (x - 1)&0x03 : x;\
- int yn = i_dir == 0 ? y : (y - 1)&0x03;\
- if( h->mb.non_zero_count[mb_xy][x+y*4] != 0 ||\
- h->mb.non_zero_count[mbn_xy][xn+yn*4] != 0 )\
- bS[i] = 2;\
- else if(!(i_edge&no_sub8x8))\
- {\
- if((i&no_sub8x8) && bS[i-1] != 2)\
- bS[i] = bS[i-1];\
- else\
- {\
- int i8p= mb_8x8+(x>>1)+(y>>1)*s8x8;\
- int i8q= mbn_8x8+(xn>>1)+(yn>>1)*s8x8;\
- int i4p= mb_4x4+x+y*s4x4;\
- int i4q= mbn_4x4+xn+yn*s4x4;\
- if((!(ref_table(h->mb.ref[0][i8p]) == ref_table(h->mb.ref[0][i8q])) ||\
- abs( h->mb.mv[0][i4p][0] - h->mb.mv[0][i4q][0] ) >= 4 ||\
- abs( h->mb.mv[0][i4p][1] - h->mb.mv[0][i4q][1] ) >= mvy_limit ) ||\
- (h->sh.i_type == SLICE_TYPE_B &&\
- (h->mb.ref[1][i8p] != h->mb.ref[1][i8q] ||\
- abs( h->mb.mv[1][i4p][0] - h->mb.mv[1][i4q][0] ) >= 4 ||\
- abs( h->mb.mv[1][i4p][1] - h->mb.mv[1][i4q][1] ) >= mvy_limit )))\
- {\
- bS[i] = 1;\
- }\
- }\
- }\
- }\
- }\
- }
-
- /* i_dir == 0 -> vertical edge
- * i_dir == 1 -> horizontal edge */
- #define DEBLOCK_DIR(i_dir)\
- {\
- int i_edge = 0;\
- int i_qpn, mbn_xy, mbn_8x8, mbn_4x4;\
- ALIGNED_4( uint8_t bS[4] ); /* filtering strength */\
- /* We don't have to consider the MBAFF case of a slice breaking in the middle\
- * of a row because x264 doesn't support that case. If we add support for that,\
- * this will have to become significantly more complex. */\
- if( i_dir == 0 && (mb_x == 0 || (!deblock_on_slice_edges &&\
- h->mb.slice_table[mb_xy] != h->mb.slice_table[mb_xy-1])) )\
- i_edge++;\
- if( i_dir == 1 && (mb_y <= b_interlaced || (!deblock_on_slice_edges &&\
- h->mb.slice_table[mb_xy] != h->mb.slice_table[mb_xy-(h->mb.i_mb_stride<<b_interlaced)])) )\
- i_edge++;\
- if( i_edge )\
- i_edge+= b_8x8_transform;\
- else\
- {\
- mbn_xy = i_dir == 0 ? mb_xy - 1 : mb_xy - h->mb.i_mb_stride;\
- mbn_8x8 = i_dir == 0 ? mb_8x8 - 2 : mb_8x8 - 2 * s8x8;\
- mbn_4x4 = i_dir == 0 ? mb_4x4 - 4 : mb_4x4 - 4 * s4x4;\
- if( b_interlaced && i_dir == 1 )\
- {\
- mbn_xy -= h->mb.i_mb_stride;\
- mbn_8x8 -= 2 * s8x8;\
- mbn_4x4 -= 4 * s4x4;\
- }\
- else if( IS_INTRA( h->mb.type[mb_xy] ) || IS_INTRA( h->mb.type[mbn_xy]) )\
- {\
- FILTER_DIR( _intra, i_dir );\
- goto end##i_dir;\
- }\
- DEBLOCK_STRENGTH(i_dir);\
- if( M32( bS ) )\
- FILTER_DIR( , i_dir);\
- end##i_dir:\
- i_edge += b_8x8_transform+1;\
- }\
- mbn_xy = mb_xy;\
- mbn_8x8 = mb_8x8;\
- mbn_4x4 = mb_4x4;\
- for( ; i_edge < i_edge_end; i_edge+=b_8x8_transform+1 )\
- {\
- DEBLOCK_STRENGTH(i_dir);\
- if( M32( bS ) )\
- FILTER_DIR( , i_dir);\
- }\
- }
-
- DEBLOCK_DIR(0);
- DEBLOCK_DIR(1);
- }
-
- if( !h->pps->b_cabac && h->pps->b_transform_8x8_mode )
- munge_cavlc_nnz( h, mb_y, nnz_backup, restore_cavlc_nnz_row );
-}
-
-void x264_frame_deblock( x264_t *h )
-{
- for( int mb_y = 0; mb_y < h->sps->i_mb_height; mb_y += 1 + h->sh.b_mbaff )
- x264_frame_deblock_row( h, mb_y );
-}
-
-#ifdef HAVE_MMX
-void x264_deblock_v_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_h_chroma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_v_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
-void x264_deblock_h_chroma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
-
-void x264_deblock_v_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_h_luma_sse2( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_v_luma_intra_sse2( uint8_t *pix, int stride, int alpha, int beta );
-void x264_deblock_h_luma_intra_sse2( uint8_t *pix, int stride, int alpha, int beta );
-#ifdef ARCH_X86
-void x264_deblock_h_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_v8_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_h_luma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
-void x264_deblock_v8_luma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta );
-
-static void x264_deblock_v_luma_mmxext( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
-{
- x264_deblock_v8_luma_mmxext( pix, stride, alpha, beta, tc0 );
- x264_deblock_v8_luma_mmxext( pix+8, stride, alpha, beta, tc0+2 );
-}
-static void x264_deblock_v_luma_intra_mmxext( uint8_t *pix, int stride, int alpha, int beta )
-{
- x264_deblock_v8_luma_intra_mmxext( pix, stride, alpha, beta );
- x264_deblock_v8_luma_intra_mmxext( pix+8, stride, alpha, beta );
-}
-#endif
-#endif
-
-#ifdef ARCH_PPC
-void x264_deblock_v_luma_altivec( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-void x264_deblock_h_luma_altivec( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 );
-#endif // ARCH_PPC
-
-#ifdef HAVE_ARMV6
-void x264_deblock_v_luma_neon( uint8_t *, int, int, int, int8_t * );
-void x264_deblock_h_luma_neon( uint8_t *, int, int, int, int8_t * );
-void x264_deblock_v_chroma_neon( uint8_t *, int, int, int, int8_t * );
-void x264_deblock_h_chroma_neon( uint8_t *, int, int, int, int8_t * );
-#endif
-
-void x264_deblock_init( int cpu, x264_deblock_function_t *pf )
-{
- pf->deblock_v_luma = deblock_v_luma_c;
- pf->deblock_h_luma = deblock_h_luma_c;
- pf->deblock_v_chroma = deblock_v_chroma_c;
- pf->deblock_h_chroma = deblock_h_chroma_c;
- pf->deblock_v_luma_intra = deblock_v_luma_intra_c;
- pf->deblock_h_luma_intra = deblock_h_luma_intra_c;
- pf->deblock_v_chroma_intra = deblock_v_chroma_intra_c;
- pf->deblock_h_chroma_intra = deblock_h_chroma_intra_c;
-
-#ifdef HAVE_MMX
- if( cpu&X264_CPU_MMXEXT )
- {
- pf->deblock_v_chroma = x264_deblock_v_chroma_mmxext;
- pf->deblock_h_chroma = x264_deblock_h_chroma_mmxext;
- pf->deblock_v_chroma_intra = x264_deblock_v_chroma_intra_mmxext;
- pf->deblock_h_chroma_intra = x264_deblock_h_chroma_intra_mmxext;
-#ifdef ARCH_X86
- pf->deblock_v_luma = x264_deblock_v_luma_mmxext;
- pf->deblock_h_luma = x264_deblock_h_luma_mmxext;
- pf->deblock_v_luma_intra = x264_deblock_v_luma_intra_mmxext;
- pf->deblock_h_luma_intra = x264_deblock_h_luma_intra_mmxext;
-#endif
- if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_STACK_MOD4) )
- {
- pf->deblock_v_luma = x264_deblock_v_luma_sse2;
- pf->deblock_h_luma = x264_deblock_h_luma_sse2;
- pf->deblock_v_luma_intra = x264_deblock_v_luma_intra_sse2;
- pf->deblock_h_luma_intra = x264_deblock_h_luma_intra_sse2;
- }
- }
-#endif
-
-#ifdef HAVE_ALTIVEC
- if( cpu&X264_CPU_ALTIVEC )
- {
- pf->deblock_v_luma = x264_deblock_v_luma_altivec;
- pf->deblock_h_luma = x264_deblock_h_luma_altivec;
- }
-#endif // HAVE_ALTIVEC
-
-#ifdef HAVE_ARMV6
- if( cpu&X264_CPU_NEON )
- {
- pf->deblock_v_luma = x264_deblock_v_luma_neon;
- pf->deblock_h_luma = x264_deblock_h_luma_neon;
- pf->deblock_v_chroma = x264_deblock_v_chroma_neon;
- pf->deblock_h_chroma = x264_deblock_h_chroma_neon;
- }
-#endif
-}
-
-
/* threading */
void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed )
{
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