1b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* ------------------------------------------------------------------ 2b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * 4b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * you may not use this file except in compliance with the License. 6b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * You may obtain a copy of the License at 7b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * 8b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * 10b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Unless required by applicable law or agreed to in writing, software 11b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * express or implied. 14b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * See the License for the specific language governing permissions 15b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * and limitations under the License. 16b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * ------------------------------------------------------------------- 17b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 18b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/**************************************************************************************** 19b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberPortions of this file are derived from the following 3GPP standard: 20b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 21b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 3GPP TS 26.073 22b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Available from http://www.3gpp.org 24b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 25b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberPermission to distribute, modify and use this file under the standard license 27b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberterms listed above has been obtained from the copyright holder. 28b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber****************************************************************************************/ 29b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 30b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 31b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 32b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 33b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 34b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Pathname: ./audio/gsm-amr/c/src/ton_stab.c 35b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Funtions: 36b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 37b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Date: 02/06/2002 38b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 39b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 40b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REVISION HISTORY 41b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 42b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: For check_lsp() 43b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 1. Eliminated unused include files. 44b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 2. Replaced array addressing by pointers 45b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 3. Eliminated math operations that unnecessary checked for 46b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber saturation this by evaluating the operands 47b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber For update_gp_clipping() 48b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 1. Replaced copy() with more efficient memcpy() 49b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 2. Replaced right shift function with right shift 50b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 51b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Replaced OSCL mem type functions and eliminated include 52b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber files that now are chosen by OSCL definitions 53b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 54b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 55b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 56b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: 57b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 58b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 59b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 60b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 61b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 62b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 63b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; INCLUDES 64b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 65b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include <stdlib.h> 66b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 67b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "ton_stab.h" 68b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "oper_32b.h" 69b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "cnst.h" 70b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "set_zero.h" 71b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "basic_op.h" 72b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 73b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 74b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; MACROS 75b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Define module specific macros here 76b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 77b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 78b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 79b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 80b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; DEFINES 81b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Include all pre-processor statements here. Include conditional 82b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; compile variables also. 83b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 84b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 85b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 86b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 87b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; LOCAL FUNCTION DEFINITIONS 88b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Function Prototype declaration 89b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 90b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 91b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 92b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; LOCAL VARIABLE DEFINITIONS 93b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Variable declaration - defined here and used outside this module 94b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 95b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 96b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 97b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 98b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 99b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: ton_stab_init 100b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 101b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 102b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 103b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 104b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber state = pointer to pointer to structure type tonStabState. 105b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 106b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 107b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 108b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 109b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 110b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 111b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 112b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 113b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 114b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 115b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 116b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 117b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 118b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 119b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 120b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 121b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Function: ton_stab_init 122b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Purpose: Allocates state memory and initializes state memory 123b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 124b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 125b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 126b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 127b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 128b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 129b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 130b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 131b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 132b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 133b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 134b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 135b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 136b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 137b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberint ton_stab_init (tonStabState **state) 138b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 139b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber tonStabState* s; 140b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 141b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (state == (tonStabState **) NULL){ 142b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // fprintf(stderr, "ton_stab_init: invalid parameter\n"); 143b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return -1; 144b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 145b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *state = NULL; 146b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 147b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // allocate memory 148b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if ((s= (tonStabState *) malloc(sizeof(tonStabState))) == NULL){ 149b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // fprintf(stderr, "ton_stab_init: can not malloc state structure\n"); 150b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return -1; 151b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 152b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 153b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab_reset(s); 154b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 155b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *state = s; 156b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 157b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 158b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 159b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 160b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 161b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 162b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 163b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 164b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 165b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 166b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 167b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 168b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 169b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 170b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 171b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 172b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 173b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 174b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 175b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 176b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 177b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 178b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 179b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 180b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 181b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 182b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 183b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 184b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberWord16 ton_stab_init(tonStabState **state) 185b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 186b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber tonStabState* s; 187b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 188b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (state == (tonStabState **) NULL) 189b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 190b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* fprintf(stderr, "ton_stab_init: invalid parameter\n"); */ 191b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return -1; 192b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 193b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *state = NULL; 194b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 195b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* allocate memory */ 196b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if ((s = (tonStabState *) malloc(sizeof(tonStabState))) == NULL) 197b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 198b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* fprintf(stderr, "ton_stab_init: can not malloc state structure\n"); */ 199b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return -1; 200b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 201b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 202b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab_reset(s); 203b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 204b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *state = s; 205b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 206b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 207b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 208b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 209b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/****************************************************************************/ 210b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 211b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 212b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 213b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 214b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: ton_stab_reset 215b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 216b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 217b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 218b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 219b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st = pointer to pointer to structure type tonStabState. 220b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 221b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 222b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 223b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 224b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 225b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 226b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 227b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 228b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 229b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 230b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 231b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 232b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 233b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 234b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 235b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 236b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Function: ton_stab_reset 237b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Purpose: Initializes state memory to zero 238b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 239b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 240b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 241b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 242b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 243b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 244b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 245b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 246b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 247b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 248b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 249b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 250b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 251b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 252b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberint ton_stab_reset (tonStabState *st) 253b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 254b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (st == (tonStabState *) NULL){ 255b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // fprintf(stderr, "ton_stab_init: invalid parameter\n"); 256b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return -1; 257b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 258b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 259b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // initialize tone stabilizer state 260b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = 0; 261b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Set_zero(st->gp, N_FRAME); // Init Gp_Clipping 262b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 263b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 264b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 265b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 266b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 267b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 268b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 269b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 270b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 271b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 272b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 273b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 274b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 275b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 276b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 277b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 278b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 279b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 280b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 281b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 282b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 283b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 284b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 285b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 286b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 287b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 288b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 289b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberWord16 ton_stab_reset(tonStabState *st) 290b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 291b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (st == (tonStabState *) NULL) 292b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 293b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* fprintf(stderr, "ton_stab_init: invalid parameter\n"); */ 294b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return -1; 295b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 296b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 297b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* initialize tone stabilizer state */ 298b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = 0; 299b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Set_zero(st->gp, N_FRAME); /* Init Gp_Clipping */ 300b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 301b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 302b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 303b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 304b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/****************************************************************************/ 305b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 306b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 307b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 308b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: ton_stab_exit 309b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 310b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 311b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 312b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 313b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber state = pointer to pointer to structure type tonStabState. 314b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 315b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 316b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 317b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 318b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 319b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 320b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 321b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 322b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 323b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 324b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 325b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 326b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 327b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 328b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 329b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 330b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Function: ton_stab_exit 331b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Purpose: The memory used for state memory is freed 332b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 333b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 334b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 335b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 336b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 337b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 338b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 339b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 340b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 341b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 342b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 343b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 344b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 345b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 346b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Hubervoid ton_stab_exit (tonStabState **state) 347b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 348b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (state == NULL || *state == NULL) 349b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return; 350b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 351b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // deallocate memory 352b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber free(*state); 353b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *state = NULL; 354b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 355b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return; 356b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 357b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 358b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 359b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 360b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 361b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 362b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 363b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 364b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 365b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 366b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 367b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 368b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 369b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 370b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 371b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 372b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 373b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 374b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 375b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 376b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 377b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 378b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 379b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 380b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 381b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Hubervoid ton_stab_exit(tonStabState **state) 382b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 383b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (state == NULL || *state == NULL) 384b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return; 385b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 386b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* deallocate memory */ 387b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber free(*state); 388b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *state = NULL; 389b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 390b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return; 391b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 392b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 393b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/****************************************************************************/ 394b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 395b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 396b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 397b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: check_lsp 398b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 399b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 400b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 401b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 402b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber state = pointer to pointer to structure type tonStabState. 403b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber lsp = pointer to unquantized LSPs of type Word16 404b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 405b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 406b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pOverflow = 1 if there is an overflow else it is zero. 407b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 408b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 409b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 410b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 411b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 412b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 413b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 414b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 415b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 416b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 417b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 418b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 419b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 420b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Function: check_lsp() 421b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Purpose: Check the LSP's to detect resonances 422b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 423b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 424b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 425b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 426b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 427b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 428b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 429b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 430b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 431b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 432b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 433b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 434b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 435b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 436b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberWord16 check_lsp(tonStabState *st, // i/o : State struct 437b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 *lsp // i : unquantized LSP's 438b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber) 439b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 440b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 i, dist, dist_min1, dist_min2, dist_th; 441b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 442b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // Check for a resonance: 443b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // Find minimum distance between lsp[i] and lsp[i+1] 444b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 445b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min1 = MAX_16; 446b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber for (i = 3; i < M-2; i++) 447b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 448b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist = sub(lsp[i], lsp[i+1]); 449b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 450b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub(dist, dist_min1) < 0) 451b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 452b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min1 = dist; 453b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 454b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 455b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 456b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min2 = MAX_16; 457b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber for (i = 1; i < 3; i++) 458b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 459b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist = sub(lsp[i], lsp[i+1]); 460b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 461b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub(dist, dist_min2) < 0) 462b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 463b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min2 = dist; 464b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 465b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 466b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 467b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub(lsp[1], 32000) > 0) 468b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 469b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_th = 600; 470b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 471b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else if (sub(lsp[1], 30500) > 0) 472b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 473b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_th = 800; 474b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 475b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 476b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 477b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_th = 1100; 478b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 479b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 480b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub(dist_min1, 1500) < 0 || 481b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber sub(dist_min2, dist_th) < 0) 482b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 483b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = add(st->count, 1); 484b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 485b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 486b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 487b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = 0; 488b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 489b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 490b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // Need 12 consecutive frames to set the flag 491b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub(st->count, 12) >= 0) 492b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 493b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = 12; 494b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 1; 495b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 496b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 497b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 498b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 499b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 500b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 501b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 502b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 503b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 504b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 505b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 506b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 507b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 508b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 509b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 510b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 511b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 512b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 513b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 514b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 515b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 516b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 517b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 518b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 519b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 520b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 521b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 522b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 523b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 524b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 525b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberWord16 check_lsp(tonStabState *st, /* i/o : State struct */ 526b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 *lsp, /* i : unquantized LSP's */ 527b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Flag *pOverflow 528b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ) 529b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 530b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 i; 531b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 dist; 532b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 dist_min1; 533b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 dist_min2; 534b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 dist_th; 535b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 *p_lsp = &lsp[3]; 536b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 *p_lsp_1 = &lsp[4]; 537b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 538b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber OSCL_UNUSED_ARG(pOverflow); 539b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* Check for a resonance: */ 540b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* Find minimum distance between lsp[i] and lsp[i+1] */ 541b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 542b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min1 = MAX_16; 543b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber for (i = 3; i < M - 2; i++) 544b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 545b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist = *(p_lsp++) - *(p_lsp_1++); 546b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 547b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (dist < dist_min1) 548b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 549b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min1 = dist; 550b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 551b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 552b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 553b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min2 = MAX_16; 554b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber p_lsp = &lsp[1]; 555b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber p_lsp_1 = &lsp[2]; 556b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 557b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber for (i = 1; i < 3; i++) 558b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 559b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist = *(p_lsp++) - *(p_lsp_1++); 560b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 561b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (dist < dist_min2) 562b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 563b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_min2 = dist; 564b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 565b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 566b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 567b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (lsp[1] > 32000) 568b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 569b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_th = 600; 570b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 571b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else if (lsp[1] > 30500) 572b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 573b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_th = 800; 574b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 575b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 576b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 577b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dist_th = 1100; 578b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 579b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 580b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if ((dist_min1 < 1500) || (dist_min2 < dist_th)) 581b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 582b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count++; 583b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 584b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 585b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 586b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = 0; 587b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 588b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 589b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* Need 12 consecutive frames to set the flag */ 590b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (st->count >= 12) 591b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 592b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->count = 12; 593b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 1; 594b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 595b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 596b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 597b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 598b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 599b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 600b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 601b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/****************************************************************************/ 602b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 603b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 604b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 605b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: check_gp_clipping 606b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 607b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 608b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 609b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 610b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber state = pointer to pointer to structure type tonStabState. 611b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber g_pitch = pitch gain of type Word16 612b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 613b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 614b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pOverflow = 1 if there is an overflow else it is zero. 615b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 616b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 617b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 618b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 619b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 620b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 621b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 622b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 623b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 624b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 625b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 626b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 627b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 628b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Function: Check_Gp_Clipping() 629b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Purpose: Verify that the sum of the last (N_FRAME+1) pitch 630b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber gains is under a certain threshold. 631b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 632b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 633b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 634b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 635b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 636b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 637b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 638b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 639b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 640b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 641b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 642b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 643b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 644b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 645b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberWord16 check_gp_clipping(tonStabState *st, // i/o : State struct 646b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 g_pitch // i : pitch gain 647b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber) 648b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 649b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 i, sum; 650b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 651b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber sum = shr(g_pitch, 3); // Division by 8 652b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber for (i = 0; i < N_FRAME; i++) 653b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 654b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber sum = add(sum, st->gp[i]); 655b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 656b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 657b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub(sum, GP_CLIP) > 0) 658b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 659b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 1; 660b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 661b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 662b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 663b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 664b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 665b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 666b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 667b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 668b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 669b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 670b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 671b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 672b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 673b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 674b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 675b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 676b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 677b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 678b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 679b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 680b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 681b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 682b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 683b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 684b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 685b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 686b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 687b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 688b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 689b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 690b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberWord16 check_gp_clipping(tonStabState *st, /* i/o : State struct */ 691b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 g_pitch, /* i : pitch gain */ 692b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Flag *pOverflow 693b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ) 694b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 695b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 i; 696b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 sum; 697b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 698b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber sum = shr(g_pitch, 3, pOverflow); /* Division by 8 */ 699b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber for (i = 0; i < N_FRAME; i++) 700b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 701b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber sum = add(sum, st->gp[i], pOverflow); 702b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 703b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 704b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sum > GP_CLIP) 705b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 706b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 1; 707b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 708b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 709b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 710b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 711b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 712b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 713b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 714b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/****************************************************************************/ 715b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 716b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 717b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 718b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: update_gp_clipping 719b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 720b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 721b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 722b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 723b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber state = pointer to pointer to structure type tonStabState. 724b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber g_pitch = pitch gain of type Word16 725b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 726b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 727b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pOverflow = 1 if there is an overflow else it is zero. 728b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 729b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 730b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 731b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 732b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 733b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 734b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 735b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 736b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 737b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 738b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 739b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 740b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 741b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Function: Update_Gp_Clipping() 742b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Purpose: Update past pitch gain memory 743b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 744b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 745b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 746b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 747b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None. 748b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 749b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 750b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 751b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 752b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ton_stab.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 753b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 754b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 755b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 756b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 757b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Hubervoid update_gp_clipping(tonStabState *st, // i/o : State struct 758b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 g_pitch // i : pitch gain 759b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber) 760b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 761b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Copy(&st->gp[1], &st->gp[0], N_FRAME-1); 762b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->gp[N_FRAME-1] = shr(g_pitch, 3); 763b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 764b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 765b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 766b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 767b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 768b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 769b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 770b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 771b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 772b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 773b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 774b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 775b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 776b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 777b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 778b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 779b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 780b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 781b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 782b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 783b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 784b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 785b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 786b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 787b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 788b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Hubervoid update_gp_clipping(tonStabState *st, /* i/o : State struct */ 789b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 g_pitch, /* i : pitch gain */ 790b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Flag *pOverflow 791b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ) 792b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 793b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber OSCL_UNUSED_ARG(pOverflow); 794f27422a71112e77af77de0da2e60d4deb94a9375Martin Storsjo int i; 795f27422a71112e77af77de0da2e60d4deb94a9375Martin Storsjo for (i = 0; i < N_FRAME - 1; i++) 796b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 797b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->gp[i] = st->gp[i+1]; 798b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 799b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st->gp[N_FRAME-1] = g_pitch >> 3; 800b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 801b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 802