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aactab.h
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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_long_512 )[512];
49 DECLARE_ALIGNED(32, extern float, ff_aac_kbd_short_128)[128];
50 const DECLARE_ALIGNED(32, extern float, ff_aac_eld_window)[1920];
51 // @}
52 
53 /* @name number of scalefactor window bands for long and short transform windows respectively
54  * @{
55  */
56 extern const uint8_t ff_aac_num_swb_1024[];
57 extern const uint8_t ff_aac_num_swb_512 [];
58 extern const uint8_t ff_aac_num_swb_128 [];
59 // @}
60 
61 extern const uint8_t ff_aac_pred_sfb_max [];
62 
63 extern const uint32_t ff_aac_scalefactor_code[121];
64 extern const uint8_t ff_aac_scalefactor_bits[121];
65 
66 extern const uint16_t * const ff_aac_spectral_codes[11];
67 extern const uint8_t * const ff_aac_spectral_bits [11];
68 extern const uint16_t ff_aac_spectral_sizes[11];
69 
70 extern const float *ff_aac_codebook_vectors[];
71 extern const float *ff_aac_codebook_vector_vals[];
72 extern const uint16_t *ff_aac_codebook_vector_idx[];
73 
74 extern const uint16_t * const ff_swb_offset_1024[13];
75 extern const uint16_t * const ff_swb_offset_512 [13];
76 extern const uint16_t * const ff_swb_offset_128 [13];
77 
78 extern const uint8_t ff_tns_max_bands_1024[13];
79 extern const uint8_t ff_tns_max_bands_128 [13];
80 
81 #endif /* AVCODEC_AACTAB_H */