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 )
6 * This file is part of FFmpeg.
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.
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.
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
25 * AAC data declarations
26 * @author Oded Shimon ( ods15 ods15 dyndns org )
27 * @author Maxim Gavrilov ( maxim.gavrilov gmail com )
30 #ifndef AVCODEC_AACTAB_H
31 #define AVCODEC_AACTAB_H
33 #include "libavutil/mem.h"
39 * Tables in this file are used by the AAC decoder and will be used by the AAC
43 /* @name window coefficients
46 DECLARE_ALIGNED(16, extern float, ff_aac_kbd_long_1024
[1024]);
47 DECLARE_ALIGNED(16, extern float, ff_aac_kbd_short_128
[128]);
50 /* @name number of scalefactor window bands for long and short transform windows respectively
53 extern const uint8_t ff_aac_num_swb_1024
[];
54 extern const uint8_t ff_aac_num_swb_128
[];
57 extern const uint8_t ff_aac_pred_sfb_max
[];
59 extern const uint32_t ff_aac_scalefactor_code
[121];
60 extern const uint8_t ff_aac_scalefactor_bits
[121];
62 extern const uint16_t * const ff_aac_spectral_codes
[11];
63 extern const uint8_t * const ff_aac_spectral_bits
[11];
64 extern const uint16_t ff_aac_spectral_sizes
[11];
66 extern const float *ff_aac_codebook_vectors
[];
68 #ifdef CONFIG_HARDCODED_TABLES
69 extern const float ff_aac_pow2sf_tab
[316];
71 extern float ff_aac_pow2sf_tab
[316];
72 #endif /* CONFIG_HARDCODED_TABLES */
74 #endif /* AVCODEC_AACTAB_H */