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 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 */ 46DECLARE_ALIGNED(16, extern float, ff_aac_kbd_long_1024)[1024]; 47DECLARE_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 */ 53extern const uint8_t ff_aac_num_swb_1024[]; 54extern const uint8_t ff_aac_num_swb_128 []; 55// @} 56 57extern const uint8_t ff_aac_pred_sfb_max []; 58 59extern const uint32_t ff_aac_scalefactor_code[121]; 60extern const uint8_t ff_aac_scalefactor_bits[121]; 61 62extern const uint16_t * const ff_aac_spectral_codes[11]; 63extern const uint8_t * const ff_aac_spectral_bits [11]; 64extern const uint16_t ff_aac_spectral_sizes[11]; 65 66extern const float *ff_aac_codebook_vectors[]; 67extern const float *ff_aac_codebook_vector_vals[]; 68extern const uint16_t *ff_aac_codebook_vector_idx[]; 69 70extern const uint16_t * const ff_swb_offset_1024[13]; 71extern const uint16_t * const ff_swb_offset_128 [13]; 72 73extern const uint8_t ff_tns_max_bands_1024[13]; 74extern const uint8_t ff_tns_max_bands_128 [13]; 75 76#if CONFIG_HARDCODED_TABLES 77extern const float ff_aac_pow2sf_tab[428]; 78#else 79extern float ff_aac_pow2sf_tab[428]; 80#endif /* CONFIG_HARDCODED_TABLES */ 81 82#endif /* AVCODEC_AACTAB_H */ 83