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chromium / chromium / third_party / ffmpeg / refs/heads/master / . / libavcodec / aacpsdata.c
blob: 8c79a154e225a2c81429916753b1e49685fd7e96 [file] [log] [blame]
Alex Conversea2063902010-06-19 14:14:51[diff] [blame]1/*
2 * MPEG-4 Parametric Stereo data tables
3 * Copyright (c) 2010 Alex Converse <[email protected]>
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
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]22#include <stdint.h>
23
Andreas Rheinhardt40a8cb92023-09-26 16:14:21[diff] [blame]24static const uint8_t huff_sizes[] = { 61, 61, 29, 29, 15, 15, 8, 8, 8, 8 };
25
26static const uint8_t aacps_huff_tabs[][2] = {
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]27 /* huff_iid_df1 - 61 entries */
28 { 28, 4 }, { 32, 4 }, { 29, 3 }, { 31, 3 }, { 27, 5 },
29 { 33, 5 }, { 26, 6 }, { 34, 6 }, { 25, 7 }, { 35, 7 },
30 { 24, 8 }, { 36, 8 }, { 37, 9 }, { 40, 11 }, { 19, 12 },
31 { 41, 12 }, { 22, 10 }, { 38, 10 }, { 9, 17 }, { 51, 17 },
32 { 11, 17 }, { 49, 17 }, { 13, 16 }, { 47, 16 }, { 16, 14 },
33 { 18, 13 }, { 42, 13 }, { 44, 14 }, { 12, 17 }, { 48, 17 },
34 { 4, 18 }, { 5, 18 }, { 2, 18 }, { 3, 18 }, { 15, 15 },
35 { 21, 11 }, { 39, 11 }, { 45, 15 }, { 8, 18 }, { 52, 18 },
36 { 6, 18 }, { 7, 18 }, { 55, 18 }, { 56, 18 }, { 53, 18 },
37 { 54, 18 }, { 17, 14 }, { 43, 14 }, { 59, 18 }, { 60, 18 },
38 { 57, 18 }, { 58, 18 }, { 0, 18 }, { 1, 18 }, { 10, 18 },
39 { 50, 18 }, { 14, 16 }, { 46, 16 }, { 20, 12 }, { 23, 10 },
40 { 30, 1 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]41 /* huff_iid_dt1 - 61 entries */
42 { 31, 2 }, { 26, 7 }, { 34, 7 }, { 27, 6 }, { 33, 6 },
43 { 35, 8 }, { 24, 9 }, { 36, 9 }, { 39, 11 }, { 41, 12 },
44 { 9, 15 }, { 10, 15 }, { 48, 15 }, { 49, 15 }, { 17, 13 },
45 { 23, 10 }, { 37, 10 }, { 43, 13 }, { 11, 15 }, { 12, 15 },
46 { 4, 16 }, { 56, 16 }, { 2, 16 }, { 3, 16 }, { 59, 16 },
47 { 60, 16 }, { 57, 16 }, { 58, 16 }, { 0, 16 }, { 1, 16 },
48 { 5, 16 }, { 55, 16 }, { 6, 16 }, { 54, 16 }, { 13, 15 },
49 { 15, 14 }, { 20, 12 }, { 40, 12 }, { 22, 11 }, { 38, 11 },
50 { 45, 14 }, { 47, 15 }, { 7, 16 }, { 53, 16 }, { 18, 13 },
51 { 42, 13 }, { 16, 14 }, { 44, 14 }, { 8, 16 }, { 52, 16 },
52 { 14, 15 }, { 46, 15 }, { 50, 16 }, { 51, 16 }, { 19, 13 },
53 { 21, 12 }, { 25, 9 }, { 28, 5 }, { 32, 5 }, { 29, 3 },
54 { 30, 1 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]55 /* huff_iid_df0 - 29 entries */
56 { 14, 1 }, { 15, 3 }, { 13, 3 }, { 16, 4 }, { 12, 4 },
57 { 17, 5 }, { 11, 5 }, { 10, 6 }, { 18, 6 }, { 19, 6 },
58 { 9, 7 }, { 20, 8 }, { 8, 9 }, { 7, 10 }, { 21, 11 },
59 { 22, 13 }, { 6, 13 }, { 23, 14 }, { 24, 14 }, { 5, 15 },
60 { 25, 15 }, { 4, 16 }, { 3, 17 }, { 0, 17 }, { 1, 17 },
61 { 2, 17 }, { 26, 17 }, { 27, 18 }, { 28, 18 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]62 /* huff_iid_dt0 - 29 entries */
63 { 14, 1 }, { 13, 2 }, { 15, 3 }, { 12, 4 }, { 16, 5 },
64 { 11, 6 }, { 17, 7 }, { 10, 8 }, { 18, 9 }, { 9, 10 },
65 { 19, 11 }, { 8, 12 }, { 20, 13 }, { 21, 14 }, { 7, 15 },
66 { 22, 17 }, { 6, 17 }, { 23, 19 }, { 0, 19 }, { 1, 19 },
67 { 2, 19 }, { 3, 20 }, { 4, 20 }, { 5, 20 }, { 24, 20 },
68 { 25, 20 }, { 26, 20 }, { 27, 20 }, { 28, 20 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]69 /* huff_icc_df - 15 entries */
70 { 7, 1 }, { 8, 2 }, { 6, 3 }, { 9, 4 }, { 5, 5 },
71 { 10, 6 }, { 4, 7 }, { 11, 8 }, { 12, 9 }, { 3, 10 },
72 { 13, 11 }, { 2, 12 }, { 14, 13 }, { 1, 14 }, { 0, 14 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]73 /* huff_icc_dt - 15 entries */
74 { 7, 1 }, { 8, 2 }, { 6, 3 }, { 9, 4 }, { 5, 5 },
75 { 10, 6 }, { 4, 7 }, { 11, 8 }, { 3, 9 }, { 12, 10 },
76 { 2, 11 }, { 13, 12 }, { 1, 13 }, { 0, 14 }, { 14, 14 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]77 /* huff_ipd_df - 8 entries */
78 { 1, 3 }, { 4, 4 }, { 5, 4 }, { 3, 4 }, { 6, 4 },
79 { 2, 4 }, { 7, 4 }, { 0, 1 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]80 /* huff_ipd_dt - 8 entries */
81 { 5, 4 }, { 4, 5 }, { 3, 5 }, { 2, 4 }, { 6, 4 },
82 { 1, 3 }, { 7, 3 }, { 0, 1 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]83 /* huff_opd_df - 8 entries */
84 { 7, 3 }, { 1, 3 }, { 3, 4 }, { 6, 4 }, { 2, 4 },
85 { 5, 5 }, { 4, 5 }, { 0, 1 },
Andreas Rheinhardt774611a2023-09-26 15:40:24[diff] [blame]86 /* huff_opd_dt - 8 entries */
87 { 5, 4 }, { 2, 4 }, { 6, 4 }, { 4, 5 }, { 3, 5 },
88 { 1, 3 }, { 7, 3 }, { 0, 1 },
Alex Conversea2063902010-06-19 14:14:51[diff] [blame]89};
90
91static const int8_t huff_offset[] = {
Andreas Rheinhardt5dc31bc2023-09-26 16:19:57[diff] [blame]92 -30, -30,
93 -14, -14,
94 -7, -7,
Alex Conversea2063902010-06-19 14:14:51[diff] [blame]95 0, 0,
96 0, 0,
97};
98
99///Table 8.48
Andreas Rheinhardt3693e2f2020-12-28 01:41:38[diff] [blame]100const int8_t ff_k_to_i_20[] = {
Alex Conversea2063902010-06-19 14:14:51[diff] [blame]101 1, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15,
102 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18,
103 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
104 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19
105};
106///Table 8.49
Andreas Rheinhardt3693e2f2020-12-28 01:41:38[diff] [blame]107const int8_t ff_k_to_i_34[] = {
Alex Conversea2063902010-06-19 14:14:51[diff] [blame]108 0, 1, 2, 3, 4, 5, 6, 6, 7, 2, 1, 0, 10, 10, 4, 5, 6, 7, 8,
109 9, 10, 11, 12, 9, 14, 11, 12, 13, 14, 15, 16, 13, 16, 17, 18, 19, 20, 21,
110 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29,
111 30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, 33,
112 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33
113};