| 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 */ |