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* GSM AMR-NB speech codec R98 Version 7.5.0 March 2, 2001 33a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* R99 Version 3.2.0 34a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* REL-4 Version 4.0.0 35a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 36a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 37a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 38a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* File : q_plsf.c 39a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Purpose : common part (init, exit, reset) of LSF quantization 40a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* module (rest in q_plsf_3.c and q_plsf_5.c) 41a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 42a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 43a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 44a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 45a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 46a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 47a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* MODULE INCLUDE FILE AND VERSION ID 48a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 49a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 50a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 51a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include <stdlib.h> 52a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 53a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "q_plsf.h" 54a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 55a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 56a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 57a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* INCLUDE FILES 58a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 59a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 60a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "typedef.h" 61a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "basic_op.h" 62a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 63a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 64a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 65a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 66a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* PUBLIC PROGRAM CODE 67a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber******************************************************************************** 68a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 69a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 70a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 71a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber************************************************************************** 72a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 73a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Function : Q_plsf_init 74a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Purpose : Allocates memory and initializes state variables 75a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 76a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber************************************************************************** 77a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 78a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberWord16 Q_plsf_init(Q_plsfState **state) 79a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 80a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Q_plsfState* s; 81a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 82a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if (state == (Q_plsfState **) NULL) 83a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 84a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* fprintf(stderr, "Q_plsf_init: invalid parameter\n"); */ 85a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return -1; 86a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 87a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *state = NULL; 88a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 89a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* allocate memory */ 90a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if ((s = (Q_plsfState *) malloc(sizeof(Q_plsfState))) == NULL) 91a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 92a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* fprintf(stderr, "Q_plsf_init: can not malloc state structure\n"); */ 93a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return -1; 94a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 95a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 96a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Q_plsf_reset(s); 97a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *state = s; 98a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 99a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return 0; 100a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 101a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 102a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 103a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber************************************************************************** 104a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 105a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Function : Q_plsf_reset 106a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Purpose : Resets state memory 107a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 108a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber************************************************************************** 109a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 110a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberWord16 Q_plsf_reset(Q_plsfState *state) 111a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 112a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 i; 113a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 114a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if (state == (Q_plsfState *) NULL) 115a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 116a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* fprintf(stderr, "Q_plsf_reset: invalid parameter\n"); */ 117a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return -1; 118a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } 119a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 120a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber for (i = 0; i < M; i++) 121a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber state->past_rq[i] = 0; 122a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 123a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return 0; 124a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 125a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 126a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 127a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber************************************************************************** 128a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 129a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Function : Q_plsf_exit 130a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* Purpose : The memory used for state memory is freed 131a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber* 132a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber************************************************************************** 133a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 134a30d40083856cb4edd225faf8b488fab156e5976Andreas Hubervoid Q_plsf_exit(Q_plsfState **state) 135a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 136a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber if (state == NULL || *state == NULL) 137a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return; 138a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 139a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* deallocate memory */ 140a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber free(*state); 141a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber *state = NULL; 142a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 143a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber return; 144a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 145