git.sesse.net Git - ffmpeg/blob - libavcodec/vp9_mc_template.c

   1 /*
   2  * VP9 compatible video decoder
   3  *
   4  * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
   5  * Copyright (C) 2013 Clément Bœsch <u pkh me>
   6  *
   7  * This file is part of FFmpeg.
   8  *
   9  * FFmpeg is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * FFmpeg is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with FFmpeg; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #define ROUNDED_DIV_MVx2(a, b) \
  25     (VP56mv) { .x = ROUNDED_DIV(a.x + b.x, 2), .y = ROUNDED_DIV(a.y + b.y, 2) }
  26 #define ROUNDED_DIV_MVx4(a, b, c, d) \
  27     (VP56mv) { .x = ROUNDED_DIV(a.x + b.x + c.x + d.x, 4), \
  28                .y = ROUNDED_DIV(a.y + b.y + c.y + d.y, 4) }
  29
  30 static void FN(inter_pred)(AVCodecContext *ctx)
  31 {
  32     static const uint8_t bwlog_tab[2][N_BS_SIZES] = {
  33         { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
  34         { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },
  35     };
  36     VP9Context *s = ctx->priv_data;
  37     VP9Block *b = s->b;
  38     int row = s->row, col = s->col;
  39     ThreadFrame *tref1 = &s->refs[s->refidx[b->ref[0]]], *tref2;
  40     AVFrame *ref1 = tref1->f, *ref2;
  41     int w1 = ref1->width, h1 = ref1->height, w2, h2;
  42     ptrdiff_t ls_y = s->y_stride, ls_uv = s->uv_stride;
  43     int bytesperpixel = BYTES_PER_PIXEL;
  44
  45     if (b->comp) {
  46         tref2 = &s->refs[s->refidx[b->ref[1]]];
  47         ref2 = tref2->f;
  48         w2 = ref2->width;
  49         h2 = ref2->height;
  50     }
  51
  52     // y inter pred
  53     if (b->bs > BS_8x8) {
  54         VP56mv uvmv;
  55
  56 #if SCALED == 0
  57         if (b->bs == BS_8x4) {
  58             mc_luma_dir(s, mc[3][b->filter][0], s->dst[0], ls_y,
  59                         ref1->data[0], ref1->linesize[0], tref1,
  60                         row << 3, col << 3, &b->mv[0][0],,,,, 8, 4, w1, h1, 0);
  61             mc_luma_dir(s, mc[3][b->filter][0],
  62                         s->dst[0] + 4 * ls_y, ls_y,
  63                         ref1->data[0], ref1->linesize[0], tref1,
  64                         (row << 3) + 4, col << 3, &b->mv[2][0],,,,, 8, 4, w1, h1, 0);
  65             w1 = (w1 + s->ss_h) >> s->ss_h;
  66             if (s->ss_v) {
  67                 h1 = (h1 + 1) >> 1;
  68                 uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
  69                 mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][0],
  70                               s->dst[1], s->dst[2], ls_uv,
  71                               ref1->data[1], ref1->linesize[1],
  72                               ref1->data[2], ref1->linesize[2], tref1,
  73                               row << 2, col << (3 - s->ss_h),
  74                               &uvmv,,,,, 8 >> s->ss_h, 4, w1, h1, 0);
  75             } else {
  76                 mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][0],
  77                               s->dst[1], s->dst[2], ls_uv,
  78                               ref1->data[1], ref1->linesize[1],
  79                               ref1->data[2], ref1->linesize[2], tref1,
  80                               row << 3, col << (3 - s->ss_h),
  81                               &b->mv[0][0],,,,, 8 >> s->ss_h, 4, w1, h1, 0);
  82                 // BUG for 4:2:2 bs=8x4, libvpx uses the wrong block index
  83                 // to get the motion vector for the bottom 4x4 block
  84                 // https://code.google.com/p/webm/issues/detail?id=993
  85                 if (s->ss_h == 0) {
  86                     uvmv = b->mv[2][0];
  87                 } else {
  88                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
  89                 }
  90                 mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][0],
  91                               s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
  92                               ref1->data[1], ref1->linesize[1],
  93                               ref1->data[2], ref1->linesize[2], tref1,
  94                               (row << 3) + 4, col << (3 - s->ss_h),
  95                               &uvmv,,,,, 8 >> s->ss_h, 4, w1, h1, 0);
  96             }
  97
  98             if (b->comp) {
  99                 mc_luma_dir(s, mc[3][b->filter][1], s->dst[0], ls_y,
 100                             ref2->data[0], ref2->linesize[0], tref2,
 101                             row << 3, col << 3, &b->mv[0][1],,,,, 8, 4, w2, h2, 1);
 102                 mc_luma_dir(s, mc[3][b->filter][1],
 103                             s->dst[0] + 4 * ls_y, ls_y,
 104                             ref2->data[0], ref2->linesize[0], tref2,
 105                             (row << 3) + 4, col << 3, &b->mv[2][1],,,,, 8, 4, w2, h2, 1);
 106                 w2 = (w2 + s->ss_h) >> s->ss_h;
 107                 if (s->ss_v) {
 108                     h2 = (h2 + 1) >> 1;
 109                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
 110                     mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][1],
 111                                   s->dst[1], s->dst[2], ls_uv,
 112                                   ref2->data[1], ref2->linesize[1],
 113                                   ref2->data[2], ref2->linesize[2], tref2,
 114                                   row << 2, col << (3 - s->ss_h),
 115                                   &uvmv,,,,, 8 >> s->ss_h, 4, w2, h2, 1);
 116                 } else {
 117                     mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][1],
 118                                   s->dst[1], s->dst[2], ls_uv,
 119                                   ref2->data[1], ref2->linesize[1],
 120                                   ref2->data[2], ref2->linesize[2], tref2,
 121                                   row << 3, col << (3 - s->ss_h),
 122                                   &b->mv[0][1],,,,, 8 >> s->ss_h, 4, w2, h2, 1);
 123                     // BUG for 4:2:2 bs=8x4, libvpx uses the wrong block index
 124                     // to get the motion vector for the bottom 4x4 block
 125                     // https://code.google.com/p/webm/issues/detail?id=993
 126                     if (s->ss_h == 0) {
 127                         uvmv = b->mv[2][1];
 128                     } else {
 129                         uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
 130                     }
 131                     mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][1],
 132                                   s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
 133                                   ref2->data[1], ref2->linesize[1],
 134                                   ref2->data[2], ref2->linesize[2], tref2,
 135                                   (row << 3) + 4, col << (3 - s->ss_h),
 136                                   &uvmv,,,,, 8 >> s->ss_h, 4, w2, h2, 1);
 137                 }
 138             }
 139         } else if (b->bs == BS_4x8) {
 140             mc_luma_dir(s, mc[4][b->filter][0], s->dst[0], ls_y,
 141                         ref1->data[0], ref1->linesize[0], tref1,
 142                         row << 3, col << 3, &b->mv[0][0],,,,, 4, 8, w1, h1, 0);
 143             mc_luma_dir(s, mc[4][b->filter][0], s->dst[0] + 4 * bytesperpixel, ls_y,
 144                         ref1->data[0], ref1->linesize[0], tref1,
 145                         row << 3, (col << 3) + 4, &b->mv[1][0],,,,, 4, 8, w1, h1, 0);
 146             h1 = (h1 + s->ss_v) >> s->ss_v;
 147             if (s->ss_h) {
 148                 w1 = (w1 + 1) >> 1;
 149                 uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[1][0]);
 150                 mc_chroma_dir(s, mc[4][b->filter][0],
 151                               s->dst[1], s->dst[2], ls_uv,
 152                               ref1->data[1], ref1->linesize[1],
 153                               ref1->data[2], ref1->linesize[2], tref1,
 154                               row << (3 - s->ss_v), col << 2,
 155                               &uvmv,,,,, 4, 8 >> s->ss_v, w1, h1, 0);
 156             } else {
 157                 mc_chroma_dir(s, mc[4][b->filter][0],
 158                               s->dst[1], s->dst[2], ls_uv,
 159                               ref1->data[1], ref1->linesize[1],
 160                               ref1->data[2], ref1->linesize[2], tref1,
 161                               row << (3 - s->ss_v), col << 3,
 162                               &b->mv[0][0],,,,, 4, 8 >> s->ss_v, w1, h1, 0);
 163                 mc_chroma_dir(s, mc[4][b->filter][0],
 164                               s->dst[1] + 4 * bytesperpixel,
 165                               s->dst[2] + 4 * bytesperpixel, ls_uv,
 166                               ref1->data[1], ref1->linesize[1],
 167                               ref1->data[2], ref1->linesize[2], tref1,
 168                               row << (3 - s->ss_v), (col << 3) + 4,
 169                               &b->mv[1][0],,,,, 4, 8 >> s->ss_v, w1, h1, 0);
 170             }
 171
 172             if (b->comp) {
 173                 mc_luma_dir(s, mc[4][b->filter][1], s->dst[0], ls_y,
 174                             ref2->data[0], ref2->linesize[0], tref2,
 175                             row << 3, col << 3, &b->mv[0][1],,,,, 4, 8, w2, h2, 1);
 176                 mc_luma_dir(s, mc[4][b->filter][1], s->dst[0] + 4 * bytesperpixel, ls_y,
 177                             ref2->data[0], ref2->linesize[0], tref2,
 178                             row << 3, (col << 3) + 4, &b->mv[1][1],,,,, 4, 8, w2, h2, 1);
 179                 h2 = (h2 + s->ss_v) >> s->ss_v;
 180                 if (s->ss_h) {
 181                     w2 = (w2 + 1) >> 1;
 182                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[1][1]);
 183                     mc_chroma_dir(s, mc[4][b->filter][1],
 184                                   s->dst[1], s->dst[2], ls_uv,
 185                                   ref2->data[1], ref2->linesize[1],
 186                                   ref2->data[2], ref2->linesize[2], tref2,
 187                                   row << (3 - s->ss_v), col << 2,
 188                                   &uvmv,,,,, 4, 8 >> s->ss_v, w2, h2, 1);
 189                 } else {
 190                     mc_chroma_dir(s, mc[4][b->filter][1],
 191                                   s->dst[1], s->dst[2], ls_uv,
 192                                   ref2->data[1], ref2->linesize[1],
 193                                   ref2->data[2], ref2->linesize[2], tref2,
 194                                   row << (3 - s->ss_v), col << 3,
 195                                   &b->mv[0][1],,,,, 4, 8 >> s->ss_v, w2, h2, 1);
 196                     mc_chroma_dir(s, mc[4][b->filter][1],
 197                                   s->dst[1] + 4 * bytesperpixel,
 198                                   s->dst[2] + 4 * bytesperpixel, ls_uv,
 199                                   ref2->data[1], ref2->linesize[1],
 200                                   ref2->data[2], ref2->linesize[2], tref2,
 201                                   row << (3 - s->ss_v), (col << 3) + 4,
 202                                   &b->mv[1][1],,,,, 4, 8 >> s->ss_v, w2, h2, 1);
 203                 }
 204             }
 205         } else
 206 #endif
 207         {
 208             av_assert2(b->bs == BS_4x4);
 209
 210             // FIXME if two horizontally adjacent blocks have the same MV,
 211             // do a w8 instead of a w4 call
 212             mc_luma_dir(s, mc[4][b->filter][0], s->dst[0], ls_y,
 213                         ref1->data[0], ref1->linesize[0], tref1,
 214                         row << 3, col << 3, &b->mv[0][0],
 215                         0, 0, 8, 8, 4, 4, w1, h1, 0);
 216             mc_luma_dir(s, mc[4][b->filter][0], s->dst[0] + 4 * bytesperpixel, ls_y,
 217                         ref1->data[0], ref1->linesize[0], tref1,
 218                         row << 3, (col << 3) + 4, &b->mv[1][0],
 219                         4, 0, 8, 8, 4, 4, w1, h1, 0);
 220             mc_luma_dir(s, mc[4][b->filter][0],
 221                         s->dst[0] + 4 * ls_y, ls_y,
 222                         ref1->data[0], ref1->linesize[0], tref1,
 223                         (row << 3) + 4, col << 3, &b->mv[2][0],
 224                         0, 4, 8, 8, 4, 4, w1, h1, 0);
 225             mc_luma_dir(s, mc[4][b->filter][0],
 226                         s->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
 227                         ref1->data[0], ref1->linesize[0], tref1,
 228                         (row << 3) + 4, (col << 3) + 4, &b->mv[3][0],
 229                         4, 4, 8, 8, 4, 4, w1, h1, 0);
 230             if (s->ss_v) {
 231                 h1 = (h1 + 1) >> 1;
 232                 if (s->ss_h) {
 233                     w1 = (w1 + 1) >> 1;
 234                     uvmv = ROUNDED_DIV_MVx4(b->mv[0][0], b->mv[1][0],
 235                                             b->mv[2][0], b->mv[3][0]);
 236                     mc_chroma_dir(s, mc[4][b->filter][0],
 237                                   s->dst[1], s->dst[2], ls_uv,
 238                                   ref1->data[1], ref1->linesize[1],
 239                                   ref1->data[2], ref1->linesize[2], tref1,
 240                                   row << 2, col << 2,
 241                                   &uvmv, 0, 0, 4, 4, 4, 4, w1, h1, 0);
 242                 } else {
 243                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
 244                     mc_chroma_dir(s, mc[4][b->filter][0],
 245                                   s->dst[1], s->dst[2], ls_uv,
 246                                   ref1->data[1], ref1->linesize[1],
 247                                   ref1->data[2], ref1->linesize[2], tref1,
 248                                   row << 2, col << 3,
 249                                   &uvmv, 0, 0, 8, 4, 4, 4, w1, h1, 0);
 250                     uvmv = ROUNDED_DIV_MVx2(b->mv[1][0], b->mv[3][0]);
 251                     mc_chroma_dir(s, mc[4][b->filter][0],
 252                                   s->dst[1] + 4 * bytesperpixel,
 253                                   s->dst[2] + 4 * bytesperpixel, ls_uv,
 254                                   ref1->data[1], ref1->linesize[1],
 255                                   ref1->data[2], ref1->linesize[2], tref1,
 256                                   row << 2, (col << 3) + 4,
 257                                   &uvmv, 4, 0, 8, 4, 4, 4, w1, h1, 0);
 258                 }
 259             } else {
 260                 if (s->ss_h) {
 261                     w1 = (w1 + 1) >> 1;
 262                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[1][0]);
 263                     mc_chroma_dir(s, mc[4][b->filter][0],
 264                                   s->dst[1], s->dst[2], ls_uv,
 265                                   ref1->data[1], ref1->linesize[1],
 266                                   ref1->data[2], ref1->linesize[2], tref1,
 267                                   row << 3, col << 2,
 268                                   &uvmv, 0, 0, 4, 8, 4, 4, w1, h1, 0);
 269                     // BUG libvpx uses wrong block index for 4:2:2 bs=4x4
 270                     // bottom block
 271                     // https://code.google.com/p/webm/issues/detail?id=993
 272                     uvmv = ROUNDED_DIV_MVx2(b->mv[1][0], b->mv[2][0]);
 273                     mc_chroma_dir(s, mc[4][b->filter][0],
 274                                   s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
 275                                   ref1->data[1], ref1->linesize[1],
 276                                   ref1->data[2], ref1->linesize[2], tref1,
 277                                   (row << 3) + 4, col << 2,
 278                                   &uvmv, 0, 4, 4, 8, 4, 4, w1, h1, 0);
 279                 } else {
 280                     mc_chroma_dir(s, mc[4][b->filter][0],
 281                                   s->dst[1], s->dst[2], ls_uv,
 282                                   ref1->data[1], ref1->linesize[1],
 283                                   ref1->data[2], ref1->linesize[2], tref1,
 284                                   row << 3, col << 3,
 285                                   &b->mv[0][0], 0, 0, 8, 8, 4, 4, w1, h1, 0);
 286                     mc_chroma_dir(s, mc[4][b->filter][0],
 287                                   s->dst[1] + 4 * bytesperpixel,
 288                                   s->dst[2] + 4 * bytesperpixel, ls_uv,
 289                                   ref1->data[1], ref1->linesize[1],
 290                                   ref1->data[2], ref1->linesize[2], tref1,
 291                                   row << 3, (col << 3) + 4,
 292                                   &b->mv[1][0], 4, 0, 8, 8, 4, 4, w1, h1, 0);
 293                     mc_chroma_dir(s, mc[4][b->filter][0],
 294                                   s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
 295                                   ref1->data[1], ref1->linesize[1],
 296                                   ref1->data[2], ref1->linesize[2], tref1,
 297                                   (row << 3) + 4, col << 3,
 298                                   &b->mv[2][0], 0, 4, 8, 8, 4, 4, w1, h1, 0);
 299                     mc_chroma_dir(s, mc[4][b->filter][0],
 300                                   s->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
 301                                   s->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
 302                                   ref1->data[1], ref1->linesize[1],
 303                                   ref1->data[2], ref1->linesize[2], tref1,
 304                                   (row << 3) + 4, (col << 3) + 4,
 305                                   &b->mv[3][0], 4, 4, 8, 8, 4, 4, w1, h1, 0);
 306                 }
 307             }
 308
 309             if (b->comp) {
 310                 mc_luma_dir(s, mc[4][b->filter][1], s->dst[0], ls_y,
 311                             ref2->data[0], ref2->linesize[0], tref2,
 312                             row << 3, col << 3, &b->mv[0][1], 0, 0, 8, 8, 4, 4, w2, h2, 1);
 313                 mc_luma_dir(s, mc[4][b->filter][1], s->dst[0] + 4 * bytesperpixel, ls_y,
 314                             ref2->data[0], ref2->linesize[0], tref2,
 315                             row << 3, (col << 3) + 4, &b->mv[1][1], 4, 0, 8, 8, 4, 4, w2, h2, 1);
 316                 mc_luma_dir(s, mc[4][b->filter][1],
 317                             s->dst[0] + 4 * ls_y, ls_y,
 318                             ref2->data[0], ref2->linesize[0], tref2,
 319                             (row << 3) + 4, col << 3, &b->mv[2][1], 0, 4, 8, 8, 4, 4, w2, h2, 1);
 320                 mc_luma_dir(s, mc[4][b->filter][1],
 321                             s->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
 322                             ref2->data[0], ref2->linesize[0], tref2,
 323                             (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, 8, 8, 4, 4, w2, h2, 1);
 324                 if (s->ss_v) {
 325                     h2 = (h2 + 1) >> 1;
 326                     if (s->ss_h) {
 327                         w2 = (w2 + 1) >> 1;
 328                         uvmv = ROUNDED_DIV_MVx4(b->mv[0][1], b->mv[1][1],
 329                                                 b->mv[2][1], b->mv[3][1]);
 330                         mc_chroma_dir(s, mc[4][b->filter][1],
 331                                       s->dst[1], s->dst[2], ls_uv,
 332                                       ref2->data[1], ref2->linesize[1],
 333                                       ref2->data[2], ref2->linesize[2], tref2,
 334                                       row << 2, col << 2,
 335                                       &uvmv, 0, 0, 4, 4, 4, 4, w2, h2, 1);
 336                     } else {
 337                         uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
 338                         mc_chroma_dir(s, mc[4][b->filter][1],
 339                                       s->dst[1], s->dst[2], ls_uv,
 340                                       ref2->data[1], ref2->linesize[1],
 341                                       ref2->data[2], ref2->linesize[2], tref2,
 342                                       row << 2, col << 3,
 343                                       &uvmv, 0, 0, 8, 4, 4, 4, w2, h2, 1);
 344                         uvmv = ROUNDED_DIV_MVx2(b->mv[1][1], b->mv[3][1]);
 345                         mc_chroma_dir(s, mc[4][b->filter][1],
 346                                       s->dst[1] + 4 * bytesperpixel,
 347                                       s->dst[2] + 4 * bytesperpixel, ls_uv,
 348                                       ref2->data[1], ref2->linesize[1],
 349                                       ref2->data[2], ref2->linesize[2], tref2,
 350                                       row << 2, (col << 3) + 4,
 351                                       &uvmv, 4, 0, 8, 4, 4, 4, w2, h2, 1);
 352                     }
 353                 } else {
 354                     if (s->ss_h) {
 355                         w2 = (w2 + 1) >> 1;
 356                         uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[1][1]);
 357                         mc_chroma_dir(s, mc[4][b->filter][1],
 358                                       s->dst[1], s->dst[2], ls_uv,
 359                                       ref2->data[1], ref2->linesize[1],
 360                                       ref2->data[2], ref2->linesize[2], tref2,
 361                                       row << 3, col << 2,
 362                                       &uvmv, 0, 0, 4, 8, 4, 4, w2, h2, 1);
 363                         // BUG libvpx uses wrong block index for 4:2:2 bs=4x4
 364                         // bottom block
 365                         // https://code.google.com/p/webm/issues/detail?id=993
 366                         uvmv = ROUNDED_DIV_MVx2(b->mv[1][1], b->mv[2][1]);
 367                         mc_chroma_dir(s, mc[4][b->filter][1],
 368                                       s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
 369                                       ref2->data[1], ref2->linesize[1],
 370                                       ref2->data[2], ref2->linesize[2], tref2,
 371                                       (row << 3) + 4, col << 2,
 372                                       &uvmv, 0, 4, 4, 8, 4, 4, w2, h2, 1);
 373                     } else {
 374                         mc_chroma_dir(s, mc[4][b->filter][1],
 375                                       s->dst[1], s->dst[2], ls_uv,
 376                                       ref2->data[1], ref2->linesize[1],
 377                                       ref2->data[2], ref2->linesize[2], tref2,
 378                                       row << 3, col << 3,
 379                                       &b->mv[0][1], 0, 0, 8, 8, 4, 4, w2, h2, 1);
 380                         mc_chroma_dir(s, mc[4][b->filter][1],
 381                                       s->dst[1] + 4 * bytesperpixel,
 382                                       s->dst[2] + 4 * bytesperpixel, ls_uv,
 383                                       ref2->data[1], ref2->linesize[1],
 384                                       ref2->data[2], ref2->linesize[2], tref2,
 385                                       row << 3, (col << 3) + 4,
 386                                       &b->mv[1][1], 4, 0, 8, 8, 4, 4, w2, h2, 1);
 387                         mc_chroma_dir(s, mc[4][b->filter][1],
 388                                       s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
 389                                       ref2->data[1], ref2->linesize[1],
 390                                       ref2->data[2], ref2->linesize[2], tref2,
 391                                       (row << 3) + 4, col << 3,
 392                                       &b->mv[2][1], 0, 4, 8, 8, 4, 4, w2, h2, 1);
 393                         mc_chroma_dir(s, mc[4][b->filter][1],
 394                                       s->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
 395                                       s->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
 396                                       ref2->data[1], ref2->linesize[1],
 397                                       ref2->data[2], ref2->linesize[2], tref2,
 398                                       (row << 3) + 4, (col << 3) + 4,
 399                                       &b->mv[3][1], 4, 4, 8, 8, 4, 4, w2, h2, 1);
 400                     }
 401                 }
 402             }
 403         }
 404     } else {
 405         int bwl = bwlog_tab[0][b->bs];
 406         int bw = bwh_tab[0][b->bs][0] * 4, bh = bwh_tab[0][b->bs][1] * 4;
 407         int uvbw = bwh_tab[s->ss_h][b->bs][0] * 4, uvbh = bwh_tab[s->ss_v][b->bs][1] * 4;
 408
 409         mc_luma_dir(s, mc[bwl][b->filter][0], s->dst[0], ls_y,
 410                     ref1->data[0], ref1->linesize[0], tref1,
 411                     row << 3, col << 3, &b->mv[0][0], 0, 0, bw, bh, bw, bh, w1, h1, 0);
 412         w1 = (w1 + s->ss_h) >> s->ss_h;
 413         h1 = (h1 + s->ss_v) >> s->ss_v;
 414         mc_chroma_dir(s, mc[bwl + s->ss_h][b->filter][0],
 415                       s->dst[1], s->dst[2], ls_uv,
 416                       ref1->data[1], ref1->linesize[1],
 417                       ref1->data[2], ref1->linesize[2], tref1,
 418                       row << (3 - s->ss_v), col << (3 - s->ss_h),
 419                       &b->mv[0][0], 0, 0, uvbw, uvbh, uvbw, uvbh, w1, h1, 0);
 420
 421         if (b->comp) {
 422             mc_luma_dir(s, mc[bwl][b->filter][1], s->dst[0], ls_y,
 423                         ref2->data[0], ref2->linesize[0], tref2,
 424                         row << 3, col << 3, &b->mv[0][1], 0, 0, bw, bh, bw, bh, w2, h2, 1);
 425             w2 = (w2 + s->ss_h) >> s->ss_h;
 426             h2 = (h2 + s->ss_v) >> s->ss_v;
 427             mc_chroma_dir(s, mc[bwl + s->ss_h][b->filter][1],
 428                           s->dst[1], s->dst[2], ls_uv,
 429                           ref2->data[1], ref2->linesize[1],
 430                           ref2->data[2], ref2->linesize[2], tref2,
 431                           row << (3 - s->ss_v), col << (3 - s->ss_h),
 432                           &b->mv[0][1], 0, 0, uvbw, uvbh, uvbw, uvbh, w2, h2, 1);
 433         }
 434     }
 435 }