1a3a8dfe2f6f1820062e4b14aefd5a7aa442234a
[libav.git] / libavcodec / aactab.h
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 aactab.h
25 * AAC data declarations
26 * @author Oded Shimon ( ods15 ods15 dyndns org )
27 * @author Maxim Gavrilov ( maxim.gavrilov gmail com )
28 */
29
30 #ifndef FFMPEG_AACTAB_H
31 #define FFMPEG_AACTAB_H
32
33 #include "libavutil/mem.h"
34 #include "aac.h"
35
36 #include <stdint.h>
37
38 /* NOTE:
39 * Tables in this file are used by the AAC decoder and will be used by the AAC
40 * encoder.
41 */
42
43 /* @name window coefficients
44 * @{
45 */
46 DECLARE_ALIGNED(16, extern float, ff_aac_kbd_long_1024[1024]);
47 DECLARE_ALIGNED(16, extern float, ff_aac_kbd_short_128[128]);
48 // @}
49
50 /* @name number of scalefactor window bands for long and short transform windows respectively
51 * @{
52 */
53 extern const uint8_t ff_aac_num_swb_1024[];
54 extern const uint8_t ff_aac_num_swb_128 [];
55 // @}
56
57 extern const uint32_t ff_aac_scalefactor_code[121];
58 extern const uint8_t ff_aac_scalefactor_bits[121];
59
60 extern const uint16_t *ff_aac_spectral_codes[11];
61 extern const uint8_t *ff_aac_spectral_bits [11];
62 extern const uint16_t ff_aac_spectral_sizes[11];
63
64 extern const float *ff_aac_codebook_vectors[];
65
66 #ifdef CONFIG_HARDCODED_TABLES
67 extern const float ff_aac_pow2sf_tab[316];
68 #else
69 extern float ff_aac_pow2sf_tab[316];
70 #endif /* CONFIG_HARDCODED_TABLES */
71
72 #endif /* FFMPEG_AACTAB_H */