mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
3.5 KiB
106 lines
3.5 KiB
/* |
|
* AAC data declarations |
|
* Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org ) |
|
* Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com ) |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* AAC data declarations |
|
* @author Oded Shimon ( ods15 ods15 dyndns org ) |
|
* @author Maxim Gavrilov ( maxim.gavrilov gmail com ) |
|
*/ |
|
|
|
#ifndef AVCODEC_AACTAB_H |
|
#define AVCODEC_AACTAB_H |
|
|
|
#include "libavutil/mem_internal.h" |
|
|
|
#include <stdint.h> |
|
|
|
/* NOTE: |
|
* Tables in this file are shared by the AAC decoders and encoder |
|
*/ |
|
|
|
extern float ff_aac_pow2sf_tab[428]; |
|
extern float ff_aac_pow34sf_tab[428]; |
|
|
|
/* @name ltp_coef |
|
* Table of the LTP coefficients |
|
*/ |
|
extern const float ff_ltp_coef[8]; |
|
|
|
/* @name tns_tmp2_map |
|
* Tables of the tmp2[] arrays of LPC coefficients used for TNS. |
|
* @{ |
|
*/ |
|
extern const float *const ff_tns_tmp2_map[4]; |
|
// @} |
|
|
|
/* @name window coefficients |
|
* @{ |
|
*/ |
|
DECLARE_ALIGNED(32, extern float, ff_aac_kbd_long_1024)[1024]; |
|
DECLARE_ALIGNED(32, extern float, ff_aac_kbd_short_128)[128]; |
|
DECLARE_ALIGNED(32, extern const float, ff_aac_eld_window_512)[1920]; |
|
DECLARE_ALIGNED(32, extern const int, ff_aac_eld_window_512_fixed)[1920]; |
|
DECLARE_ALIGNED(32, extern const float, ff_aac_eld_window_480)[1800]; |
|
DECLARE_ALIGNED(32, extern const int, ff_aac_eld_window_480_fixed)[1800]; |
|
// @} |
|
|
|
/* Initializes data shared between float decoder and encoder. */ |
|
void ff_aac_float_common_init(void); |
|
|
|
/* @name number of scalefactor window bands for long and short transform windows respectively |
|
* @{ |
|
*/ |
|
extern const uint8_t ff_aac_num_swb_1024[]; |
|
extern const uint8_t ff_aac_num_swb_960 []; |
|
extern const uint8_t ff_aac_num_swb_512 []; |
|
extern const uint8_t ff_aac_num_swb_480 []; |
|
extern const uint8_t ff_aac_num_swb_128 []; |
|
extern const uint8_t ff_aac_num_swb_120 []; |
|
// @} |
|
|
|
extern const uint8_t ff_aac_pred_sfb_max []; |
|
|
|
extern const uint32_t ff_aac_scalefactor_code[121]; |
|
extern const uint8_t ff_aac_scalefactor_bits[121]; |
|
|
|
extern const uint16_t * const ff_aac_spectral_codes[11]; |
|
extern const uint8_t * const ff_aac_spectral_bits [11]; |
|
extern const uint16_t ff_aac_spectral_sizes[11]; |
|
|
|
extern const float *const ff_aac_codebook_vectors[]; |
|
extern const float *const ff_aac_codebook_vector_vals[]; |
|
extern const uint16_t *const ff_aac_codebook_vector_idx[]; |
|
|
|
extern const uint16_t * const ff_swb_offset_1024[13]; |
|
extern const uint16_t * const ff_swb_offset_960 [13]; |
|
extern const uint16_t * const ff_swb_offset_512 [13]; |
|
extern const uint16_t * const ff_swb_offset_480 [13]; |
|
extern const uint16_t * const ff_swb_offset_128 [13]; |
|
extern const uint16_t * const ff_swb_offset_120 [13]; |
|
|
|
extern const uint8_t ff_tns_max_bands_1024[13]; |
|
extern const uint8_t ff_tns_max_bands_512 [13]; |
|
extern const uint8_t ff_tns_max_bands_480 [13]; |
|
extern const uint8_t ff_tns_max_bands_128 [13]; |
|
|
|
#endif /* AVCODEC_AACTAB_H */
|
|
|