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Diffstat (limited to 'libfaad2/sbr_syntax.h')
| -rw-r--r-- | libfaad2/sbr_syntax.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libfaad2/sbr_syntax.h b/libfaad2/sbr_syntax.h new file mode 100644 index 0000000000..544792ee87 --- /dev/null +++ b/libfaad2/sbr_syntax.h @@ -0,0 +1,71 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program 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 General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +** +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. +** +** $Id: sbr_syntax.h,v 1.6 2003/07/29 08:20:13 menno Exp $ +**/ + +#ifndef __SBR_SYNTAX_H__ +#define __SBR_SYNTAX_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bits.h" + +#define tHFGen 8 +#define tHFAdj 2 + +#define EXT_SBR_DATA 13 +#define EXT_SBR_DATA_CRC 14 + +#define FIXFIX 0 +#define FIXVAR 1 +#define VARFIX 2 +#define VARVAR 3 + +#define LO_RES 0 +#define HI_RES 1 + +#define NO_TIME_SLOTS 16 +#define NOISE_FLOOR_OFFSET 6.0 + + +uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint8_t id_aac); +static void sbr_header(bitfile *ld, sbr_info *sbr, uint8_t id_aac); +static void sbr_data(bitfile *ld, sbr_info *sbr, uint8_t id_aac); +static void sbr_single_channel_element(bitfile *ld, sbr_info *sbr); +static void sbr_channel_pair_element(bitfile *ld, sbr_info *sbr); +static void sbr_grid(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void sbr_dtdf(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void invf_mode(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void sbr_envelope(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void sbr_noise(bitfile *ld, sbr_info *sbr, uint8_t ch); +static void sinusoidal_coding(bitfile *ld, sbr_info *sbr, uint8_t ch); + +#ifdef __cplusplus +} +#endif +#endif /* __SBR_SYNTAX_H__ */ + |