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 Portions of this file are derived from the following 3GPP standard: 20 21 3GPP TS 26.073 22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23 Available from http://www.3gpp.org 24 25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26 Permission to distribute, modify and use this file under the standard license 27 terms listed above has been obtained from the copyright holder. 28 ****************************************************************************************/ 29 /* 30 ------------------------------------------------------------------------------ 31 32 33 Pathname: .audio/gsm-amr/c/src/dec_input_format_tab.c 34 35 Date: 03/01/2002 36 37 ------------------------------------------------------------------------------ 38 REVISION HISTORY 39 40 Description: Renamed BytesThisFrame to WmfBytesPerFrame, changed its type 41 from 'const short' to 'const int'. Added If2BytesPerFrame 42 table for IF2 input format. Updated copyright year and I/O 43 definition sections, and added reference document for IF2. 44 45 Description: Renamed WmfBytesPerFrame to WmfDecBytesPerFrame, and 46 If2BytesPerFrame to If2DecBytesPerFrame. 47 48 Description: Added #ifdef __cplusplus and removed "extern" from table 49 definition. 50 51 Description: Put "extern" back. 52 53 Description: 54 55 ------------------------------------------------------------------------------ 56 INPUT AND OUTPUT DEFINITIONS 57 58 Inputs: 59 None 60 61 Outputs: 62 None 63 64 Returns: 65 None 66 67 Global Variables Used: 68 None 69 70 Local Variables Needed: 71 None 72 73 ------------------------------------------------------------------------------ 74 FUNCTION DESCRIPTION 75 76 This file contains the tables of the number of data bytes per codec mode in 77 both WMF and IF2 input formats. 78 79 ------------------------------------------------------------------------------ 80 REQUIREMENTS 81 82 None 83 84 ------------------------------------------------------------------------------ 85 REFERENCES 86 87 [1] AMR Speech Codec Frame Structure, 3GPP TS 26.101 version 4.1.0 Release 4, 88 June 2001 89 90 ------------------------------------------------------------------------------ 91 PSEUDO-CODE 92 93 94 ------------------------------------------------------------------------------ 95 RESOURCES USED 96 When the code is written for a specific target processor the 97 the resources used should be documented below. 98 99 STACK USAGE: [stack count for this module] + [variable to represent 100 stack usage for each subroutine called] 101 102 where: [stack usage variable] = stack usage for [subroutine 103 name] (see [filename].ext) 104 105 DATA MEMORY USED: x words 106 107 PROGRAM MEMORY USED: x words 108 109 CLOCK CYCLES: [cycle count equation for this module] + [variable 110 used to represent cycle count for each subroutine 111 called] 112 113 where: [cycle count variable] = cycle count for [subroutine 114 name] (see [filename].ext) 115 116 ------------------------------------------------------------------------------ 117 */ 118 119 120 /*---------------------------------------------------------------------------- 121 ; INCLUDES 122 ----------------------------------------------------------------------------*/ 123 #include "typedef.h" 124 #include "amrdecode.h" 125 126 /*--------------------------------------------------------------------------*/ 127 #ifdef __cplusplus 128 extern "C" 129 { 130 #endif 131 132 /*---------------------------------------------------------------------------- 133 ; MACROS 134 ; Define module specific macros here 135 ----------------------------------------------------------------------------*/ 136 137 138 /*---------------------------------------------------------------------------- 139 ; DEFINES 140 ; Include all pre-processor statements here. Include conditional 141 ; compile variables also. 142 ----------------------------------------------------------------------------*/ 143 144 /*---------------------------------------------------------------------------- 145 ; LOCAL FUNCTION DEFINITIONS 146 ; Function Prototype declaration 147 ----------------------------------------------------------------------------*/ 148 149 150 /*---------------------------------------------------------------------------- 151 ; LOCAL STORE/BUFFER/POINTER DEFINITIONS 152 ; Variable declaration - defined here and used outside this module 153 ----------------------------------------------------------------------------*/ 154 /* Table containing the number of core AMR data bytes for */ 155 /* each codec mode for WMF input format(number excludes frame type byte) */ 156 const Word16 WmfDecBytesPerFrame[16] = 157 { 158 12, /* 4.75 */ 159 13, /* 5.15 */ 160 15, /* 5.90 */ 161 17, /* 6.70 */ 162 19, /* 7.40 */ 163 20, /* 7.95 */ 164 26, /* 10.2 */ 165 31, /* 12.2 */ 166 5, /* GsmAmr comfort noise */ 167 6, /* Gsm-Efr comfort noise */ 168 5, /* IS-641 comfort noise */ 169 5, /* Pdc-Efr comfort noise */ 170 0, /* future use */ 171 0, /* future use */ 172 0, /* future use */ 173 0 /* No transmission */ 174 }; 175 176 /* Table containing the number of core AMR data bytes for */ 177 /* each codec mode for IF2 input format. */ 178 const Word16 If2DecBytesPerFrame[16] = 179 { 180 13, /* 4.75 */ 181 14, /* 5.15 */ 182 16, /* 5.90 */ 183 18, /* 6.70 */ 184 19, /* 7.40 */ 185 21, /* 7.95 */ 186 26, /* 10.2 */ 187 31, /* 12.2 */ 188 6, /* GsmAmr comfort noise */ 189 6, /* Gsm-Efr comfort noise */ 190 6, /* IS-641 comfort noise */ 191 6, /* Pdc-Efr comfort noise */ 192 0, /* future use */ 193 0, /* future use */ 194 0, /* future use */ 195 1 /* No transmission */ 196 }; 197 198 /*---------------------------------------------------------------------------- 199 ; EXTERNAL FUNCTION REFERENCES 200 ; Declare functions defined elsewhere and referenced in this module 201 ----------------------------------------------------------------------------*/ 202 203 204 /*---------------------------------------------------------------------------- 205 ; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 206 ; Declare variables used in this module but defined elsewhere 207 ----------------------------------------------------------------------------*/ 208 209 210 /*--------------------------------------------------------------------------*/ 211 #ifdef __cplusplus 212 } 213 #endif 214 215 /*---------------------------------------------------------------------------- 216 ; FUNCTION CODE 217 ----------------------------------------------------------------------------*/ 218 219 /*---------------------------------------------------------------------------- 220 ; Define all local variables 221 ----------------------------------------------------------------------------*/ 222 223 224 /*---------------------------------------------------------------------------- 225 ; Function body here 226 ----------------------------------------------------------------------------*/ 227 228 229 /*---------------------------------------------------------------------------- 230 ; Return nothing or data or data pointer 231 ----------------------------------------------------------------------------*/ 232 233 234
