blob: 35d79f841bbe01744cd38f18c41d1aede32df890
| 1 | /* |
| 2 | ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding |
| 3 | ** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com |
| 4 | ** |
| 5 | ** This program is free software; you can redistribute it and/or modify |
| 6 | ** it under the terms of the GNU General Public License as published by |
| 7 | ** the Free Software Foundation; either version 2 of the License, or |
| 8 | ** (at your option) any later version. |
| 9 | ** |
| 10 | ** This program is distributed in the hope that it will be useful, |
| 11 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | ** GNU General Public License for more details. |
| 14 | ** |
| 15 | ** You should have received a copy of the GNU General Public License |
| 16 | ** along with this program; if not, write to the Free Software |
| 17 | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | ** |
| 19 | ** Any non-GPL usage of this software or parts of this software is strictly |
| 20 | ** forbidden. |
| 21 | ** |
| 22 | ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 |
| 23 | ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" |
| 24 | ** |
| 25 | ** Commercial non-GPL licensing of this software is possible. |
| 26 | ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. |
| 27 | ** |
| 28 | ** $Id: syntax.h,v 1.60 2009/01/26 23:51:17 menno Exp $ |
| 29 | **/ |
| 30 | |
| 31 | #ifndef __SYNTAX_H__ |
| 32 | #define __SYNTAX_H__ |
| 33 | |
| 34 | #ifdef __cplusplus |
| 35 | extern "C" { |
| 36 | #endif |
| 37 | |
| 38 | #include "bits.h" |
| 39 | |
| 40 | #define MAIN 1 |
| 41 | #define LC 2 |
| 42 | #define SSR 3 |
| 43 | #define LTP 4 |
| 44 | #define HE_AAC 5 |
| 45 | #define LD 23 |
| 46 | #define ER_LC 17 |
| 47 | #define ER_LTP 19 |
| 48 | #define DRM_ER_LC 27 /* special object type for DRM */ |
| 49 | |
| 50 | /* header types */ |
| 51 | #define RAW 0 |
| 52 | #define ADIF 1 |
| 53 | #define ADTS 2 |
| 54 | #define LATM 3 |
| 55 | |
| 56 | /* SBR signalling */ |
| 57 | #define NO_SBR 0 |
| 58 | #define SBR_UPSAMPLED 1 |
| 59 | #define SBR_DOWNSAMPLED 2 |
| 60 | #define NO_SBR_UPSAMPLED 3 |
| 61 | |
| 62 | /* DRM channel definitions */ |
| 63 | #define DRMCH_MONO 1 |
| 64 | #define DRMCH_STEREO 2 |
| 65 | #define DRMCH_SBR_MONO 3 |
| 66 | #define DRMCH_SBR_STEREO 4 |
| 67 | #define DRMCH_SBR_PS_STEREO 5 |
| 68 | |
| 69 | |
| 70 | /* First object type that has ER */ |
| 71 | #define ER_OBJECT_START 17 |
| 72 | |
| 73 | |
| 74 | /* Bitstream */ |
| 75 | #define LEN_SE_ID 3 |
| 76 | #define LEN_TAG 4 |
| 77 | #define LEN_BYTE 8 |
| 78 | |
| 79 | #define EXT_FIL 0 |
| 80 | #define EXT_FILL_DATA 1 |
| 81 | #define EXT_DATA_ELEMENT 2 |
| 82 | #define EXT_DYNAMIC_RANGE 11 |
| 83 | #define ANC_DATA 0 |
| 84 | |
| 85 | /* Syntax elements */ |
| 86 | #define ID_SCE 0x0 |
| 87 | #define ID_CPE 0x1 |
| 88 | #define ID_CCE 0x2 |
| 89 | #define ID_LFE 0x3 |
| 90 | #define ID_DSE 0x4 |
| 91 | #define ID_PCE 0x5 |
| 92 | #define ID_FIL 0x6 |
| 93 | #define ID_END 0x7 |
| 94 | |
| 95 | #define ONLY_LONG_SEQUENCE 0x0 |
| 96 | #define LONG_START_SEQUENCE 0x1 |
| 97 | #define EIGHT_SHORT_SEQUENCE 0x2 |
| 98 | #define LONG_STOP_SEQUENCE 0x3 |
| 99 | |
| 100 | #define ZERO_HCB 0 |
| 101 | #define FIRST_PAIR_HCB 5 |
| 102 | #define ESC_HCB 11 |
| 103 | #define QUAD_LEN 4 |
| 104 | #define PAIR_LEN 2 |
| 105 | #define NOISE_HCB 13 |
| 106 | #define INTENSITY_HCB2 14 |
| 107 | #define INTENSITY_HCB 15 |
| 108 | |
| 109 | #define INVALID_SBR_ELEMENT 255 |
| 110 | |
| 111 | int8_t GASpecificConfig(bitfile *ld, mp4AudioSpecificConfig *mp4ASC, |
| 112 | program_config *pce); |
| 113 | |
| 114 | uint8_t adts_frame(adts_header *adts, bitfile *ld); |
| 115 | void get_adif_header(adif_header *adif, bitfile *ld); |
| 116 | void raw_data_block(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, |
| 117 | bitfile *ld, program_config *pce, drc_info *drc); |
| 118 | uint8_t reordered_spectral_data(NeAACDecStruct *hDecoder, ic_stream *ics, bitfile *ld, |
| 119 | int16_t *spectral_data); |
| 120 | #ifdef DRM |
| 121 | void DRM_aac_scalable_main_element(NeAACDecStruct *hDecoder, NeAACDecFrameInfo *hInfo, |
| 122 | bitfile *ld, program_config *pce, drc_info *drc); |
| 123 | #endif |
| 124 | uint32_t faad_latm_frame(latm_header *latm, bitfile *ld); |
| 125 | |
| 126 | #ifdef __cplusplus |
| 127 | } |
| 128 | #endif |
| 129 | #endif |
| 130 |