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libavcodec
aactab.h
Go to the documentation of this file.
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/*
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* AAC data declarations
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* Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org )
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* Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com )
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* AAC data declarations
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* @author Oded Shimon ( ods15 ods15 dyndns org )
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* @author Maxim Gavrilov ( maxim.gavrilov gmail com )
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*/
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#ifndef AVCODEC_AACTAB_H
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#define AVCODEC_AACTAB_H
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#include "
libavutil/mem.h
"
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#include "
aac.h
"
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#include "
aac_tablegen_decl.h
"
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#include <stdint.h>
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/* NOTE:
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* Tables in this file are used by the AAC decoder and will be used by the AAC
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* encoder.
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*/
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/* @name window coefficients
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* @{
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*/
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DECLARE_ALIGNED
(32,
extern
float
,
ff_aac_kbd_long_1024
)[1024];
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DECLARE_ALIGNED
(32,
extern
float
,
ff_aac_kbd_short_128
)[128];
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const
DECLARE_ALIGNED
(32,
extern
float
,
ff_aac_eld_window_512
)[1920];
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const
DECLARE_ALIGNED
(32,
extern
float
,
ff_aac_eld_window_480
)[1800];
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// @}
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/* @name number of scalefactor window bands for long and short transform windows respectively
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* @{
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*/
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extern
const
uint8_t
ff_aac_num_swb_1024
[];
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extern
const
uint8_t
ff_aac_num_swb_512
[];
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extern
const
uint8_t
ff_aac_num_swb_480
[];
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extern
const
uint8_t
ff_aac_num_swb_128
[];
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// @}
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extern
const
uint8_t
ff_aac_pred_sfb_max
[];
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extern
const
uint32_t
ff_aac_scalefactor_code
[121];
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extern
const
uint8_t
ff_aac_scalefactor_bits
[121];
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extern
const
uint16_t *
const
ff_aac_spectral_codes
[11];
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extern
const
uint8_t
*
const
ff_aac_spectral_bits
[11];
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extern
const
uint16_t
ff_aac_spectral_sizes
[11];
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extern
const
float
*
ff_aac_codebook_vectors
[];
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extern
const
float
*
ff_aac_codebook_vector_vals
[];
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extern
const
uint16_t *
ff_aac_codebook_vector_idx
[];
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extern
const
uint16_t *
const
ff_swb_offset_1024
[13];
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extern
const
uint16_t *
const
ff_swb_offset_512
[13];
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extern
const
uint16_t *
const
ff_swb_offset_480
[13];
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extern
const
uint16_t *
const
ff_swb_offset_128
[13];
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extern
const
uint8_t
ff_tns_max_bands_1024
[13];
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extern
const
uint8_t
ff_tns_max_bands_512
[13];
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extern
const
uint8_t
ff_tns_max_bands_480
[13];
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extern
const
uint8_t
ff_tns_max_bands_128
[13];
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#endif
/* AVCODEC_AACTAB_H */
Generated on Sun Mar 8 2015 02:34:47 for FFmpeg by
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