LCOV - code coverage report
Current view: top level - libavcodec - h264_mc_template.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 52 53 98.1 %
Date: 2017-12-11 20:48:03 Functions: 12 16 75.0 %

          Line data    Source code
       1             : /*
       2             :  * H.26L/H.264/AVC/JVT/14496-10/... decoder
       3             :  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : 
      22             : #include "h264dec.h"
      23             : 
      24             : #undef MCFUNC
      25             : 
      26             : #if   CHROMA_IDC == 1
      27             : #   define MCFUNC(n) FUNC(n ## _420)
      28             : #elif CHROMA_IDC == 2
      29             : #   define MCFUNC(n) FUNC(n ## _422)
      30             : #elif CHROMA_IDC == 3
      31             : #   define MCFUNC(n) FUNC(n ## _444)
      32             : #endif
      33             : 
      34             : #undef  mc_part
      35             : #define mc_part MCFUNC(mc_part)
      36             : 
      37    19429672 : static void mc_part(const H264Context *h, H264SliceContext *sl,
      38             :                     int n, int square,
      39             :                     int height, int delta,
      40             :                     uint8_t *dest_y, uint8_t *dest_cb,
      41             :                     uint8_t *dest_cr,
      42             :                     int x_offset, int y_offset,
      43             :                     const qpel_mc_func *qpix_put,
      44             :                     h264_chroma_mc_func chroma_put,
      45             :                     const qpel_mc_func *qpix_avg,
      46             :                     h264_chroma_mc_func chroma_avg,
      47             :                     const h264_weight_func *weight_op,
      48             :                     const h264_biweight_func *weight_avg,
      49             :                     int list0, int list1)
      50             : {
      51    20003100 :     if ((sl->pwt.use_weight == 2 && list0 && list1 &&
      52    19784722 :          (sl->pwt.implicit_weight[sl->ref_cache[0][scan8[n]]][sl->ref_cache[1][scan8[n]]][sl->mb_y & 1] != 32)) ||
      53    19211294 :         sl->pwt.use_weight == 1)
      54     3014300 :         mc_part_weighted(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr,
      55             :                          x_offset, y_offset, qpix_put, chroma_put,
      56     1389658 :                          weight_op[0], weight_op[1], weight_avg[0],
      57     1389658 :                          weight_avg[1], list0, list1, PIXEL_SHIFT, CHROMA_IDC);
      58             :     else
      59    18040014 :         mc_part_std(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr,
      60             :                     x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
      61             :                     chroma_avg, list0, list1, PIXEL_SHIFT, CHROMA_IDC);
      62    19429672 : }
      63             : 
      64     8718908 : static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,
      65             :                               uint8_t *dest_y,
      66             :                               uint8_t *dest_cb, uint8_t *dest_cr,
      67             :                               const qpel_mc_func(*qpix_put)[16],
      68             :                               const h264_chroma_mc_func(*chroma_put),
      69             :                               const qpel_mc_func(*qpix_avg)[16],
      70             :                               const h264_chroma_mc_func(*chroma_avg),
      71             :                               const h264_weight_func *weight_op,
      72             :                               const h264_biweight_func *weight_avg)
      73             : {
      74     8718908 :     const int mb_xy   = sl->mb_xy;
      75     8718908 :     const int mb_type = h->cur_pic.mb_type[mb_xy];
      76             : 
      77             :     av_assert2(IS_INTER(mb_type));
      78             : 
      79     8718908 :     if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME))
      80           0 :         await_references(h, sl);
      81     8718908 :     prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC);
      82             : 
      83     8718908 :     if (IS_16X16(mb_type)) {
      84     6208889 :         mc_part(h, sl, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,
      85             :                 qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
      86             :                 weight_op, weight_avg,
      87             :                 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
      88     2510019 :     } else if (IS_16X8(mb_type)) {
      89     1817271 :         mc_part(h, sl, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0,
      90     1211514 :                 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
      91             :                 weight_op, weight_avg,
      92             :                 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
      93     1817271 :         mc_part(h, sl, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4,
      94     1211514 :                 qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
      95             :                 weight_op, weight_avg,
      96             :                 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
      97     1904262 :     } else if (IS_8X16(mb_type)) {
      98     2085328 :         mc_part(h, sl, 0, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
      99     1563996 :                 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
     100             :                 &weight_op[1], &weight_avg[1],
     101             :                 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
     102     2085328 :         mc_part(h, sl, 4, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
     103     1563996 :                 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
     104             :                 &weight_op[1], &weight_avg[1],
     105             :                 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
     106             :     } else {
     107             :         int i;
     108             : 
     109             :         av_assert2(IS_8X8(mb_type));
     110             : 
     111     6914650 :         for (i = 0; i < 4; i++) {
     112     5531720 :             const int sub_mb_type = sl->sub_mb_type[i];
     113     5531720 :             const int n  = 4 * i;
     114     5531720 :             int x_offset = (i & 1) << 2;
     115     5531720 :             int y_offset = (i & 2) << 1;
     116             : 
     117     5531720 :             if (IS_SUB_8X8(sub_mb_type)) {
     118     9491148 :                 mc_part(h, sl, n, 1, 8, 0, dest_y, dest_cb, dest_cr,
     119             :                         x_offset, y_offset,
     120     7118361 :                         qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
     121             :                         &weight_op[1], &weight_avg[1],
     122             :                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
     123     3158933 :             } else if (IS_SUB_8X4(sub_mb_type)) {
     124     5886460 :                 mc_part(h, sl, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr,
     125             :                         x_offset, y_offset,
     126     4414845 :                         qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
     127             :                         &weight_op[1], &weight_avg[1],
     128             :                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
     129     5886460 :                 mc_part(h, sl, n + 2, 0, 4, 4 << PIXEL_SHIFT,
     130             :                         dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,
     131     4414845 :                         qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
     132             :                         &weight_op[1], &weight_avg[1],
     133             :                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
     134     1687318 :             } else if (IS_SUB_4X8(sub_mb_type)) {
     135     2197368 :                 mc_part(h, sl, n, 0, 8, 4 * sl->mb_linesize,
     136             :                         dest_y, dest_cb, dest_cr, x_offset, y_offset,
     137     1648026 :                         qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
     138             :                         &weight_op[2], &weight_avg[2],
     139             :                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
     140     2197368 :                 mc_part(h, sl, n + 1, 0, 8, 4 * sl->mb_linesize,
     141             :                         dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,
     142     1648026 :                         qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
     143             :                         &weight_op[2], &weight_avg[2],
     144             :                         IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
     145             :             } else {
     146             :                 int j;
     147             :                 av_assert2(IS_SUB_4X4(sub_mb_type));
     148     5689880 :                 for (j = 0; j < 4; j++) {
     149     4551904 :                     int sub_x_offset = x_offset + 2 * (j & 1);
     150     4551904 :                     int sub_y_offset = y_offset + (j & 2);
     151    18207616 :                     mc_part(h, sl, n + j, 1, 4, 0,
     152             :                             dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
     153    13655712 :                             qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
     154             :                             &weight_op[2], &weight_avg[2],
     155             :                             IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
     156             :                 }
     157             :             }
     158             :         }
     159             :     }
     160             : 
     161     8718908 :     if (USES_LIST(mb_type, 1))
     162     3538104 :         prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
     163     8718908 : }
     164             : 

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