aboutsummaryrefslogblamecommitdiffstats
path: root/libavcodec/aactab.h
blob: a2dc46b81437111b2e90531781b725e894504170 (plain) (tree)
1
2
3
4
5
6
7
8
  
                        

                                                                      
                              
  
                                                         


                                                                     
                                                           



                                                                    
                                                               


                                                                               
        
                        


                                                      
                        
 
                          
                
                              
 
                   
 



                                                                              

                            
                                                               
                                                              
                                                              
                                                                 
     


                                                                                             
                                           

                                           
                                            
                                                   
 
                                                        
                                                 
 
                                              
                                                    
 
                                                     
                                                     
                                                     


                                               
                             
/*
 * 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 Libav.
 *
 * Libav 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.
 *
 * Libav 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 Libav; 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.h"
#include "aac.h"
#include "aac_tablegen_decl.h"

#include <stdint.h>

/* NOTE:
 * Tables in this file are used by the AAC decoder and will be used by the AAC
 * encoder.
 */

/* @name window coefficients
 * @{
 */
DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_long_1024)[1024];
DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_long_512 )[512];
DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_short_128)[128];
const DECLARE_ALIGNED(32, extern float, ff_aac_eld_window)[1920];
// @}

/* @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_512 [];
extern const uint8_t ff_aac_num_swb_128 [];
// @}

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 *ff_aac_codebook_vectors[];
extern const float *ff_aac_codebook_vector_vals[];
extern const uint16_t *ff_aac_codebook_vector_idx[];

extern const uint16_t * const ff_swb_offset_1024[13];
extern const uint16_t * const ff_swb_offset_512 [13];
extern const uint16_t * const ff_swb_offset_128 [13];

extern const uint8_t ff_tns_max_bands_1024[13];
extern const uint8_t ff_tns_max_bands_128 [13];

#endif /* AVCODEC_AACTAB_H */