1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /* 19 20 Filename: sbr_constants.h 21 Funtions: 22 23 24 ------------------------------------------------------------------------------ 25 REVISION HISTORY 26 27 28 Who: Date: MM/DD/YYYY 29 Description: 30 ------------------------------------------------------------------------------ 31 SC 29 Software Copyright Licencing Disclaimer: 32 33 This software module was originally developed by 34 Coding Technologies 35 36 and edited by 37 - 38 39 in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3 40 standards for reference purposes and its performance may not have been 41 optimized. This software module is an implementation of one or more tools as 42 specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards. 43 ISO/IEC gives users free license to this software module or modifications 44 thereof for use in products claiming conformance to audiovisual and 45 image-coding related ITU Recommendations and/or ISO/IEC International 46 Standards. ISO/IEC gives users the same free license to this software module or 47 modifications thereof for research purposes and further ISO/IEC standardisation. 48 Those intending to use this software module in products are advised that its 49 use may infringe existing patents. ISO/IEC have no liability for use of this 50 software module or modifications thereof. Copyright is not released for 51 products that do not conform to audiovisual and image-coding related ITU 52 Recommendations and/or ISO/IEC International Standards. 53 The original developer retains full right to modify and use the code for its 54 own purpose, assign or donate the code to a third party and to inhibit third 55 parties from using the code for products that do not conform to audiovisual and 56 image-coding related ITU Recommendations and/or ISO/IEC International Standards. 57 This copyright notice must be included in all copies or derivative works. 58 Copyright (c) ISO/IEC 2002. 59 60 */ 61 62 /*---------------------------------------------------------------------------- 63 ; CONTINUE ONLY IF NOT ALREADY DEFINED 64 ----------------------------------------------------------------------------*/ 65 #ifndef SBR_CONSTANTS_H 66 #define SBR_CONSTANTS_H 67 68 /*---------------------------------------------------------------------------- 69 ; INCLUDES 70 ----------------------------------------------------------------------------*/ 71 72 /*---------------------------------------------------------------------------- 73 ; MACROS 74 ; Define module specific macros here 75 ----------------------------------------------------------------------------*/ 76 77 /*---------------------------------------------------------------------------- 78 ; DEFINES 79 ; Include all pre-processor statements here. 80 ----------------------------------------------------------------------------*/ 81 82 83 #define SBR_AMP_RES_1_5 0 84 #define SBR_AMP_RES_3_0 1 85 86 #define MAX_NOISE_ENVELOPES 2 87 #define MAX_NOISE_COEFFS 5 88 #define MAX_NUM_NOISE_VALUES (MAX_NOISE_ENVELOPES * MAX_NOISE_COEFFS) 89 90 #define MAX_ENVELOPES 5 91 #define MAX_FREQ_COEFFS 58 92 #define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS) 93 94 #define MAX_NUM_CHANNELS 2 95 #define NOISE_FLOOR_OFFSET 6 96 #define NOISE_FLOOR_OFFSET_PLUS_1 7 97 98 #define LOW_RES 0 99 #define HIGH_RES 1 100 101 #define LO 0 102 #define HI 1 103 104 #define TIME 1 105 #define FREQ 0 106 107 #define LENGTH_FRAME_INFO 35 108 109 #define SI_SBR_CRC_BITS 10 110 111 #define SBR_FREQ_SCALE_DEFAULT 2 112 #define SBR_ALTER_SCALE_DEFAULT 1 113 #define SBR_NOISE_BANDS_DEFAULT 2 114 115 #define SBR_LIMITER_BANDS_DEFAULT 2 116 #define SBR_LIMITER_GAINS_DEFAULT 2 117 #define SBR_INTERPOL_FREQ_DEFAULT 1 118 #define SBR_SMOOTHING_LENGTH_DEFAULT 1 119 120 /* header */ 121 #define SI_SBR_AMP_RES_BITS 1 122 #define SI_SBR_START_FREQ_BITS 4 123 #define SI_SBR_STOP_FREQ_BITS 4 124 #define SI_SBR_XOVER_BAND_BITS 3 125 #define SI_SBR_RESERVED_BITS_HDR 2 126 #define SI_SBR_DATA_EXTRA_BITS 1 127 #define SI_SBR_HEADER_EXTRA_1_BITS 1 128 #define SI_SBR_HEADER_EXTRA_2_BITS 1 129 130 #define SI_SBR_FREQ_SCALE_BITS 2 131 #define SI_SBR_ALTER_SCALE_BITS 1 132 #define SI_SBR_NOISE_BANDS_BITS 2 133 134 #define SI_SBR_LIMITER_BANDS_BITS 2 135 #define SI_SBR_LIMITER_GAINS_BITS 2 136 #define SI_SBR_INTERPOL_FREQ_BITS 1 137 #define SI_SBR_SMOOTHING_LENGTH_BITS 1 138 139 140 /* data */ 141 #define SI_SBR_RESERVED_PRESENT 1 142 #define SI_SBR_RESERVED_BITS_DATA 4 143 144 #define SI_SBR_COUPLING_BITS 1 145 146 #define SI_SBR_INVF_MODE_BITS 2 147 148 #define SI_SBR_EXTENDED_DATA_BITS 1 149 #define SI_SBR_EXTENSION_SIZE_BITS 4 150 #define SI_SBR_EXTENSION_ESC_COUNT_BITS 8 151 #define SI_SBR_EXTENSION_ID_BITS 2 152 153 #define SI_SBR_NOISE_MODE_BITS 1 154 #define SI_SBR_DOMAIN_BITS 1 155 156 #define SI_SBR_START_ENV_BITS_AMP_RES_3_0 6 157 #define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_3_0 5 158 #define SI_SBR_START_NOISE_BITS_AMP_RES_3_0 5 159 #define SI_SBR_START_NOISE_BITS_BALANCE_AMP_RES_3_0 5 160 161 #define SI_SBR_START_ENV_BITS_AMP_RES_1_5 7 162 #define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_1_5 6 163 164 165 #define SBR_CLA_BITS 2 166 #define SBR_ABS_BITS 2 167 #define SBR_RES_BITS 1 168 #define SBR_REL_BITS 2 169 #define SBR_ENV_BITS 2 170 #define SBR_NUM_BITS 2 171 172 173 #define FIXFIX 0 174 #define FIXVAR 1 175 #define VARFIX 2 176 #define VARVAR 3 177 178 179 #define LEN_EX_TYPE (4) 180 #define LEN_NIBBLE (4) 181 182 183 /*---------------------------------------------------------------------------- 184 ; EXTERNAL VARIABLES REFERENCES 185 ; Declare variables used in this module but defined elsewhere 186 ----------------------------------------------------------------------------*/ 187 188 /*---------------------------------------------------------------------------- 189 ; SIMPLE TYPEDEF'S 190 ----------------------------------------------------------------------------*/ 191 192 /*---------------------------------------------------------------------------- 193 ; ENUMERATED TYPEDEF'S 194 ----------------------------------------------------------------------------*/ 195 196 /*---------------------------------------------------------------------------- 197 ; STRUCTURES TYPEDEF'S 198 ----------------------------------------------------------------------------*/ 199 200 /*---------------------------------------------------------------------------- 201 ; GLOBAL FUNCTION DEFINITIONS 202 ; Function Prototype declaration 203 ----------------------------------------------------------------------------*/ 204 205 /*---------------------------------------------------------------------------- 206 ; END 207 ----------------------------------------------------------------------------*/ 208 #endif 209 210 211