libavcodec/aactab.h

   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 Libav.
   7  *
   8  * Libav 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  * Libav 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 Libav; 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 DECLARE_ALIGNED(32, extern const float, ff_aac_eld_window_512)[1920];
  50 DECLARE_ALIGNED(32, extern const float, ff_aac_eld_window_480)[1800];
  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_480 [];
  59 extern const uint8_t ff_aac_num_swb_128 [];
  60 // @}
  61
  62 extern const uint8_t ff_aac_pred_sfb_max [];
  63
  64 extern const uint32_t ff_aac_scalefactor_code[121];
  65 extern const uint8_t  ff_aac_scalefactor_bits[121];
  66
  67 extern const uint16_t * const ff_aac_spectral_codes[11];
  68 extern const uint8_t  * const ff_aac_spectral_bits [11];
  69 extern const uint16_t  ff_aac_spectral_sizes[11];
  70
  71 extern const float *ff_aac_codebook_vectors[];
  72 extern const float *ff_aac_codebook_vector_vals[];
  73 extern const uint16_t *ff_aac_codebook_vector_idx[];
  74
  75 extern const uint16_t * const ff_swb_offset_1024[13];
  76 extern const uint16_t * const ff_swb_offset_512 [13];
  77 extern const uint16_t * const ff_swb_offset_480 [13];
  78 extern const uint16_t * const ff_swb_offset_128 [13];
  79
  80 extern const uint8_t ff_tns_max_bands_1024[13];
  81 extern const uint8_t ff_tns_max_bands_512 [13];
  82 extern const uint8_t ff_tns_max_bands_480 [13];
  83 extern const uint8_t ff_tns_max_bands_128 [13];
  84
  85 #endif /* AVCODEC_AACTAB_H */