FFmpeg
aacpsdata.c
Go to the documentation of this file.
1 /*
2  * MPEG-4 Parametric Stereo data tables
3  * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
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 static const uint8_t huff_iid_df1_bits[] = {
23  18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 18, 17, 17, 16, 16, 15, 14, 14,
24  13, 12, 12, 11, 10, 10, 8, 7, 6, 5, 4, 3, 1, 3, 4, 5, 6, 7,
25  8, 9, 10, 11, 11, 12, 13, 14, 14, 15, 16, 16, 17, 17, 18, 17, 18, 18,
26  18, 18, 18, 18, 18, 18, 18,
27 };
28 
29 static const uint32_t huff_iid_df1_codes[] = {
30  0x01FEB4, 0x01FEB5, 0x01FD76, 0x01FD77, 0x01FD74, 0x01FD75, 0x01FE8A,
31  0x01FE8B, 0x01FE88, 0x00FE80, 0x01FEB6, 0x00FE82, 0x00FEB8, 0x007F42,
32  0x007FAE, 0x003FAF, 0x001FD1, 0x001FE9, 0x000FE9, 0x0007EA, 0x0007FB,
33  0x0003FB, 0x0001FB, 0x0001FF, 0x00007C, 0x00003C, 0x00001C, 0x00000C,
34  0x000000, 0x000001, 0x000001, 0x000002, 0x000001, 0x00000D, 0x00001D,
35  0x00003D, 0x00007D, 0x0000FC, 0x0001FC, 0x0003FC, 0x0003F4, 0x0007EB,
36  0x000FEA, 0x001FEA, 0x001FD6, 0x003FD0, 0x007FAF, 0x007F43, 0x00FEB9,
37  0x00FE83, 0x01FEB7, 0x00FE81, 0x01FE89, 0x01FE8E, 0x01FE8F, 0x01FE8C,
38  0x01FE8D, 0x01FEB2, 0x01FEB3, 0x01FEB0, 0x01FEB1,
39 };
40 
41 static const uint8_t huff_iid_dt1_bits[] = {
42  16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 13,
43  13, 13, 12, 12, 11, 10, 9, 9, 7, 6, 5, 3, 1, 2, 5, 6, 7, 8,
44  9, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16,
45  16, 16, 16, 16, 16, 16, 16,
46 };
47 
48 static const uint16_t huff_iid_dt1_codes[] = {
49  0x004ED4, 0x004ED5, 0x004ECE, 0x004ECF, 0x004ECC, 0x004ED6, 0x004ED8,
50  0x004F46, 0x004F60, 0x002718, 0x002719, 0x002764, 0x002765, 0x00276D,
51  0x0027B1, 0x0013B7, 0x0013D6, 0x0009C7, 0x0009E9, 0x0009ED, 0x0004EE,
52  0x0004F7, 0x000278, 0x000139, 0x00009A, 0x00009F, 0x000020, 0x000011,
53  0x00000A, 0x000003, 0x000001, 0x000000, 0x00000B, 0x000012, 0x000021,
54  0x00004C, 0x00009B, 0x00013A, 0x000279, 0x000270, 0x0004EF, 0x0004E2,
55  0x0009EA, 0x0009D8, 0x0013D7, 0x0013D0, 0x0027B2, 0x0027A2, 0x00271A,
56  0x00271B, 0x004F66, 0x004F67, 0x004F61, 0x004F47, 0x004ED9, 0x004ED7,
57  0x004ECD, 0x004ED2, 0x004ED3, 0x004ED0, 0x004ED1,
58 };
59 
60 static const uint8_t huff_iid_df0_bits[] = {
61  17, 17, 17, 17, 16, 15, 13, 10, 9, 7, 6, 5, 4, 3, 1, 3, 4, 5,
62  6, 6, 8, 11, 13, 14, 14, 15, 17, 18, 18,
63 };
64 
65 static const uint32_t huff_iid_df0_codes[] = {
66  0x01FFFB, 0x01FFFC, 0x01FFFD, 0x01FFFA, 0x00FFFC, 0x007FFC, 0x001FFD,
67  0x0003FE, 0x0001FE, 0x00007E, 0x00003C, 0x00001D, 0x00000D, 0x000005,
68  0x000000, 0x000004, 0x00000C, 0x00001C, 0x00003D, 0x00003E, 0x0000FE,
69  0x0007FE, 0x001FFC, 0x003FFC, 0x003FFD, 0x007FFD, 0x01FFFE, 0x03FFFE,
70  0x03FFFF,
71 };
72 
73 static const uint8_t huff_iid_dt0_bits[] = {
74  19, 19, 19, 20, 20, 20, 17, 15, 12, 10, 8, 6, 4, 2, 1, 3, 5, 7,
75  9, 11, 13, 14, 17, 19, 20, 20, 20, 20, 20,
76 };
77 
78 static const uint32_t huff_iid_dt0_codes[] = {
79  0x07FFF9, 0x07FFFA, 0x07FFFB, 0x0FFFF8, 0x0FFFF9, 0x0FFFFA, 0x01FFFD,
80  0x007FFE, 0x000FFE, 0x0003FE, 0x0000FE, 0x00003E, 0x00000E, 0x000002,
81  0x000000, 0x000006, 0x00001E, 0x00007E, 0x0001FE, 0x0007FE, 0x001FFE,
82  0x003FFE, 0x01FFFC, 0x07FFF8, 0x0FFFFB, 0x0FFFFC, 0x0FFFFD, 0x0FFFFE,
83  0x0FFFFF,
84 };
85 
86 static const uint8_t huff_icc_df_bits[] = {
87  14, 14, 12, 10, 7, 5, 3, 1, 2, 4, 6, 8, 9, 11, 13,
88 };
89 
90 static const uint16_t huff_icc_df_codes[] = {
91  0x3FFF, 0x3FFE, 0x0FFE, 0x03FE, 0x007E, 0x001E, 0x0006, 0x0000,
92  0x0002, 0x000E, 0x003E, 0x00FE, 0x01FE, 0x07FE, 0x1FFE,
93 };
94 
95 static const uint8_t huff_icc_dt_bits[] = {
96  14, 13, 11, 9, 7, 5, 3, 1, 2, 4, 6, 8, 10, 12, 14,
97 };
98 
99 static const uint16_t huff_icc_dt_codes[] = {
100  0x3FFE, 0x1FFE, 0x07FE, 0x01FE, 0x007E, 0x001E, 0x0006, 0x0000,
101  0x0002, 0x000E, 0x003E, 0x00FE, 0x03FE, 0x0FFE, 0x3FFF,
102 };
103 
104 static const uint8_t huff_ipd_df_bits[] = {
105  1, 3, 4, 4, 4, 4, 4, 4,
106 };
107 
108 static const uint8_t huff_ipd_df_codes[] = {
109  0x01, 0x00, 0x06, 0x04, 0x02, 0x03, 0x05, 0x07,
110 };
111 
112 static const uint8_t huff_ipd_dt_bits[] = {
113  1, 3, 4, 5, 5, 4, 4, 3,
114 };
115 
116 static const uint8_t huff_ipd_dt_codes[] = {
117  0x01, 0x02, 0x02, 0x03, 0x02, 0x00, 0x03, 0x03,
118 };
119 
120 static const uint8_t huff_opd_df_bits[] = {
121  1, 3, 4, 4, 5, 5, 4, 3,
122 };
123 
124 static const uint8_t huff_opd_df_codes[] = {
125  0x01, 0x01, 0x06, 0x04, 0x0F, 0x0E, 0x05, 0x00,
126 };
127 
128 static const uint8_t huff_opd_dt_bits[] = {
129  1, 3, 4, 5, 5, 4, 4, 3,
130 };
131 
132 static const uint8_t huff_opd_dt_codes[] = {
133  0x01, 0x02, 0x01, 0x07, 0x06, 0x00, 0x02, 0x03,
134 };
135 
136 static const int8_t huff_offset[] = {
137  30, 30,
138  14, 14,
139  7, 7,
140  0, 0,
141  0, 0,
142 };
143 
144 ///Table 8.48
145 static const int8_t k_to_i_20[] = {
146  1, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15,
147  15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18,
148  18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
149  19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19
150 };
151 ///Table 8.49
152 static const int8_t k_to_i_34[] = {
153  0, 1, 2, 3, 4, 5, 6, 6, 7, 2, 1, 0, 10, 10, 4, 5, 6, 7, 8,
154  9, 10, 11, 12, 9, 14, 11, 12, 13, 14, 15, 16, 13, 16, 17, 18, 19, 20, 21,
155  22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29,
156  30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, 33,
157  33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33
158 };
159 
160 static const INTFLOAT g1_Q2[] = {
161  Q31(0.0f), Q31(0.01899487526049f), Q31(0.0f), Q31(-0.07293139167538f),
162  Q31(0.0f), Q31(0.30596630545168f), Q31(0.5f)
163 };
huff_ipd_df_bits
static const uint8_t huff_ipd_df_bits[]
Definition: aacpsdata.c:104
huff_icc_dt_codes
static const uint16_t huff_icc_dt_codes[]
Definition: aacpsdata.c:99
huff_iid_df0_bits
static const uint8_t huff_iid_df0_bits[]
Definition: aacpsdata.c:60
huff_iid_df1_codes
static const uint32_t huff_iid_df1_codes[]
Definition: aacpsdata.c:29
huff_iid_df0_codes
static const uint32_t huff_iid_df0_codes[]
Definition: aacpsdata.c:65
k_to_i_34
static const int8_t k_to_i_34[]
Table 8.49.
Definition: aacpsdata.c:152
huff_ipd_dt_bits
static const uint8_t huff_ipd_dt_bits[]
Definition: aacpsdata.c:112
huff_opd_dt_codes
static const uint8_t huff_opd_dt_codes[]
Definition: aacpsdata.c:132
f
#define f(width, name)
Definition: cbs_vp9.c:255
huff_offset
static const int8_t huff_offset[]
Definition: aacpsdata.c:136
huff_ipd_dt_codes
static const uint8_t huff_ipd_dt_codes[]
Definition: aacpsdata.c:116
huff_opd_df_bits
static const uint8_t huff_opd_df_bits[]
Definition: aacpsdata.c:120
huff_iid_df1_bits
static const uint8_t huff_iid_df1_bits[]
Definition: aacpsdata.c:22
huff_icc_df_bits
static const uint8_t huff_icc_df_bits[]
Definition: aacpsdata.c:86
uint8_t
uint8_t
Definition: audio_convert.c:194
huff_opd_dt_bits
static const uint8_t huff_opd_dt_bits[]
Definition: aacpsdata.c:128
huff_icc_dt_bits
static const uint8_t huff_icc_dt_bits[]
Definition: aacpsdata.c:95
huff_iid_dt1_bits
static const uint8_t huff_iid_dt1_bits[]
Definition: aacpsdata.c:41
huff_iid_dt0_codes
static const uint32_t huff_iid_dt0_codes[]
Definition: aacpsdata.c:78
Q31
#define Q31(x)
Definition: aac_defines.h:96
huff_iid_dt1_codes
static const uint16_t huff_iid_dt1_codes[]
Definition: aacpsdata.c:48
huff_opd_df_codes
static const uint8_t huff_opd_df_codes[]
Definition: aacpsdata.c:124
huff_icc_df_codes
static const uint16_t huff_icc_df_codes[]
Definition: aacpsdata.c:90
g1_Q2
static const INTFLOAT g1_Q2[]
Definition: aacpsdata.c:160
huff_ipd_df_codes
static const uint8_t huff_ipd_df_codes[]
Definition: aacpsdata.c:108
k_to_i_20
static const int8_t k_to_i_20[]
Table 8.48.
Definition: aacpsdata.c:145
huff_iid_dt0_bits
static const uint8_t huff_iid_dt0_bits[]
Definition: aacpsdata.c:73
INTFLOAT
float INTFLOAT
Definition: aac_defines.h:86
Generated on Wed Aug 24 2022 21:31:06 for FFmpeg by   doxygen 1.8.17