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1 | /* |
2 | * AAC data declarations | |
3 | * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org ) | |
4 | * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com ) | |
5 | * | |
6 | * This file is part of FFmpeg. | |
7 | * | |
8 | * FFmpeg is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * | |
13 | * FFmpeg is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with FFmpeg; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
23 | /** | |
24 | * @file | |
25 | * AAC data declarations | |
26 | * @author Oded Shimon ( ods15 ods15 dyndns org ) | |
27 | * @author Maxim Gavrilov ( maxim.gavrilov gmail com ) | |
28 | */ | |
29 | ||
30 | #ifndef AVCODEC_AACTAB_H | |
31 | #define AVCODEC_AACTAB_H | |
32 | ||
33 | #include "libavutil/mem.h" | |
34 | #include "aac.h" | |
35 | #include "aac_tablegen_decl.h" | |
36 | ||
37 | #include <stdint.h> | |
38 | ||
39 | /* NOTE: | |
40 | * Tables in this file are used by the AAC decoder and will be used by the AAC | |
41 | * encoder. | |
42 | */ | |
43 | ||
44 | /* @name window coefficients | |
45 | * @{ | |
46 | */ | |
47 | DECLARE_ALIGNED(32, extern float, ff_aac_kbd_long_1024)[1024]; | |
48 | DECLARE_ALIGNED(32, extern float, ff_aac_kbd_short_128)[128]; | |
49 | const DECLARE_ALIGNED(32, extern float, ff_aac_eld_window)[1920]; | |
50 | // @} | |
51 | ||
52 | /* @name number of scalefactor window bands for long and short transform windows respectively | |
53 | * @{ | |
54 | */ | |
55 | extern const uint8_t ff_aac_num_swb_1024[]; | |
56 | extern const uint8_t ff_aac_num_swb_512 []; | |
57 | extern const uint8_t ff_aac_num_swb_128 []; | |
58 | // @} | |
59 | ||
60 | extern const uint8_t ff_aac_pred_sfb_max []; | |
61 | ||
62 | extern const uint32_t ff_aac_scalefactor_code[121]; | |
63 | extern const uint8_t ff_aac_scalefactor_bits[121]; | |
64 | ||
65 | extern const uint16_t * const ff_aac_spectral_codes[11]; | |
66 | extern const uint8_t * const ff_aac_spectral_bits [11]; | |
67 | extern const uint16_t ff_aac_spectral_sizes[11]; | |
68 | ||
69 | extern const float *ff_aac_codebook_vectors[]; | |
70 | extern const float *ff_aac_codebook_vector_vals[]; | |
71 | extern const uint16_t *ff_aac_codebook_vector_idx[]; | |
72 | ||
73 | extern const uint16_t * const ff_swb_offset_1024[13]; | |
74 | extern const uint16_t * const ff_swb_offset_512 [13]; | |
75 | extern const uint16_t * const ff_swb_offset_128 [13]; | |
76 | ||
77 | extern const uint8_t ff_tns_max_bands_1024[13]; | |
78 | extern const uint8_t ff_tns_max_bands_512 [13]; | |
79 | extern const uint8_t ff_tns_max_bands_128 [13]; | |
80 | ||
81 | #endif /* AVCODEC_AACTAB_H */ |