Coverage Report

Created: 2025-06-13 07:07

/src/aom/av1/common/entropymv.c
Line
Count
Source
1
/*
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
3
 *
4
 * This source code is subject to the terms of the BSD 2 Clause License and
5
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6
 * was not distributed with this source code in the LICENSE file, you can
7
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8
 * Media Patent License 1.0 was not distributed with this source code in the
9
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10
 */
11
12
#include "av1/common/av1_common_int.h"
13
#include "av1/common/entropymv.h"
14
15
static const nmv_context default_nmv_context = {
16
  { AOM_CDF4(4096, 11264, 19328) },  // joints_cdf
17
  { {
18
        // Vertical component
19
        { AOM_CDF11(28672, 30976, 31858, 32320, 32551, 32656, 32740, 32757,
20
                    32762, 32767) },  // class_cdf // fp
21
        { { AOM_CDF4(16384, 24576, 26624) },
22
          { AOM_CDF4(12288, 21248, 24128) } },  // class0_fp_cdf
23
        { AOM_CDF4(8192, 17408, 21248) },       // fp_cdf
24
        { AOM_CDF2(128 * 128) },                // sign_cdf
25
        { AOM_CDF2(160 * 128) },                // class0_hp_cdf
26
        { AOM_CDF2(128 * 128) },                // hp_cdf
27
        { AOM_CDF2(216 * 128) },                // class0_cdf
28
        { { AOM_CDF2(128 * 136) },
29
          { AOM_CDF2(128 * 140) },
30
          { AOM_CDF2(128 * 148) },
31
          { AOM_CDF2(128 * 160) },
32
          { AOM_CDF2(128 * 176) },
33
          { AOM_CDF2(128 * 192) },
34
          { AOM_CDF2(128 * 224) },
35
          { AOM_CDF2(128 * 234) },
36
          { AOM_CDF2(128 * 234) },
37
          { AOM_CDF2(128 * 240) } },  // bits_cdf
38
    },
39
    {
40
        // Horizontal component
41
        { AOM_CDF11(28672, 30976, 31858, 32320, 32551, 32656, 32740, 32757,
42
                    32762, 32767) },  // class_cdf // fp
43
        { { AOM_CDF4(16384, 24576, 26624) },
44
          { AOM_CDF4(12288, 21248, 24128) } },  // class0_fp_cdf
45
        { AOM_CDF4(8192, 17408, 21248) },       // fp_cdf
46
        { AOM_CDF2(128 * 128) },                // sign_cdf
47
        { AOM_CDF2(160 * 128) },                // class0_hp_cdf
48
        { AOM_CDF2(128 * 128) },                // hp_cdf
49
        { AOM_CDF2(216 * 128) },                // class0_cdf
50
        { { AOM_CDF2(128 * 136) },
51
          { AOM_CDF2(128 * 140) },
52
          { AOM_CDF2(128 * 148) },
53
          { AOM_CDF2(128 * 160) },
54
          { AOM_CDF2(128 * 176) },
55
          { AOM_CDF2(128 * 192) },
56
          { AOM_CDF2(128 * 224) },
57
          { AOM_CDF2(128 * 234) },
58
          { AOM_CDF2(128 * 234) },
59
          { AOM_CDF2(128 * 240) } },  // bits_cdf
60
    } },
61
};
62
63
150k
void av1_init_mv_probs(AV1_COMMON *cm) {
64
  // NB: this sets CDFs too
65
150k
  cm->fc->nmvc = default_nmv_context;
66
150k
  cm->fc->ndvc = default_nmv_context;
67
150k
}