1a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* ------------------------------------------------------------------ 2a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 4a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * you may not use this file except in compliance with the License. 6a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * You may obtain a copy of the License at 7a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 8a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 10a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Unless required by applicable law or agreed to in writing, software 11a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * express or implied. 14a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * See the License for the specific language governing permissions 15a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * and limitations under the License. 16a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * ------------------------------------------------------------------- 17a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 18a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/**************************************************************************************** 19a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPortions of this file are derived from the following 3GPP standard: 20a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 21a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 3GPP TS 26.073 22a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Available from http://www.3gpp.org 24a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 25a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPermission to distribute, modify and use this file under the standard license 27a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberterms listed above has been obtained from the copyright holder. 28a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber****************************************************************************************/ 29a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 30a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 31a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 32a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 33a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 34a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Pathname: ./audio/gsm-amr/c/src/d_plsf.c 35a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Functions: 36a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 37a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 38a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Date: 04/14/2000 39a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 40a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 41a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REVISION HISTORY 42a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 43a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Removed the functions d_plsf_init and d_plsf_exit. 44a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber The d_plsf related structure is no longer dynamically allocated. 45a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 46a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Removed q_plsf_5.tab from Include section and added 47a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber q_plsf_5_tbl.h to Include section. Changed "mean_lsf" 48a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber to "mean_lsf_5" in D_plsf_reset(). 49a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 50a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Replaced OSCL mem type functions and eliminated include 51a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber files that now are chosen by OSCL definitions 52a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 53a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 54a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 55a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: 56a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 57a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 58a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber MODULE DESCRIPTION 59a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 60a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber common part (reset) of LSF decoder 61a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber module (rest in d_plsf_3.c and d_plsf_5.c) 62a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 63a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 64a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 65a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 66a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; INCLUDES 67a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 68a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "typedef.h" 69a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "basic_op.h" 70a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "cnst.h" 71a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "copy.h" 72a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "d_plsf.h" 73a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "q_plsf_5_tbl.h" 74a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 75a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 76a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 77a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; MACROS 78a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Define module specific macros here 79a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 80a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 81a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 82a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; DEFINES 83a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Include all pre-processor statements here. Include conditional 84a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; compile variables also. 85a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 86a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 87a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 88a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; LOCAL FUNCTION DEFINITIONS 89a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Function Prototype declaration 90a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 91a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 92a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 93a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; LOCAL VARIABLE DEFINITIONS 94a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Variable declaration - defined here and used outside this module 95a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 96a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 97a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 98a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; EXTERNAL FUNCTION REFERENCES 99a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Declare functions defined elsewhere and referenced in this module 100a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 101a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 102a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 103a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; EXTERNAL VARIABLES REFERENCES 104a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; Declare variables used in this module but defined elsewhere 105a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 106a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 107a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 108a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 109a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION NAME: D_plsf_reset 110a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 111a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INPUT AND OUTPUT DEFINITIONS 112a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 113a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Inputs: 114a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber state = pointer to structure of type D_plsf_reset 115a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 116a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Outputs: 117a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber fields of the structure pointed to by state is initialized to zero 118a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 119a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Returns: 120a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return_value = 0, if reset was successful; -1, otherwise (int) 121a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 122a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Global Variables Used: 123a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber None 124a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 125a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Local Variables Needed: 126a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber None 127a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 128a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 129a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber FUNCTION DESCRIPTION 130a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 131a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Resets state memory 132a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 133a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 134a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REQUIREMENTS 135a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 136a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber None 137a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 138a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 139a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REFERENCES 140a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 141a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber d_plsf.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 142a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 143a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 144a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber PSEUDO-CODE 145a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 146a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberint D_plsf_reset (D_plsfState *state) 147a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 148a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 i; 149a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 150a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if (state == (D_plsfState *) NULL){ 151a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber // fprintf(stderr, "D_plsf_reset: invalid parameter\n"); 152a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return -1; 153a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 154a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 155a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber for (i = 0; i < M; i++){ 156a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber state->past_r_q[i] = 0; // Past quantized prediction error 157a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 158a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 159a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber // Past dequantized lsfs 160a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Copy(mean_lsf, &state->past_lsf_q[0], M); 161a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 162a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return 0; 163a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 164a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 165a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber RESOURCES USED [optional] 166a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 167a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber When the code is written for a specific target processor the 168a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber the resources used should be documented below. 169a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 170a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber HEAP MEMORY USED: x bytes 171a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 172a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber STACK MEMORY USED: x bytes 173a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 174a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 175a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber used to represent cycle count for each subroutine 176a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber called) 177a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber where: (cycle count variable) = cycle count for [subroutine 178a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber name] 179a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 180a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 181a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber CAUTION [optional] 182a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber [State any special notes, constraints or cautions for users of this function] 183a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 184a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 185a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 186a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 187a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberWord16 D_plsf_reset(D_plsfState *state) 188a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 189a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 i; 190a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 191a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if (state == (D_plsfState *) NULL) 192a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 193a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* fprintf(stderr, "D_plsf_reset: invalid parameter\n"); */ 194a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return -1; 195a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 196a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 197a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber for (i = 0; i < M; i++) 198a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 199a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber state->past_r_q[i] = 0; /* Past quantized prediction error */ 200a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 201a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 202a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* Past dequantized lsfs */ 203a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Copy(mean_lsf_5, &state->past_lsf_q[0], M); 204a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 205a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return 0; 206a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 207a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 208