14f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* ------------------------------------------------------------------ 24f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Copyright (C) 1998-2009 PacketVideo 34f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 44f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 54f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * you may not use this file except in compliance with the License. 64f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * You may obtain a copy of the License at 74f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 84f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 94f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * 104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Unless required by applicable law or agreed to in writing, software 114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * express or implied. 144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * See the License for the specific language governing permissions 154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * and limitations under the License. 164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * ------------------------------------------------------------------- 174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/**************************************************************************************** 194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPortions of this file are derived from the following 3GPP standard: 204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3GPP TS 26.073 224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Available from http://www.3gpp.org 244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPermission to distribute, modify and use this file under the standard license 274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberterms listed above has been obtained from the copyright holder. 284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber****************************************************************************************/ 294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* GSM AMR-NB speech codec R98 Version 7.5.0 March 2, 2001 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* R99 Version 3.2.0 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* REL-4 Version 4.0.0 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* File : q_plsf.c 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Purpose : common part (init, exit, reset) of LSF quantization 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* module (rest in q_plsf_3.c and q_plsf_5.c) 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* MODULE INCLUDE FILE AND VERSION ID 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include <stdlib.h> 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "q_plsf.h" 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* INCLUDE FILES 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "typedef.h" 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "basic_op.h" 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* PUBLIC PROGRAM CODE 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber******************************************************************************** 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber************************************************************************** 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Function : Q_plsf_init 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Purpose : Allocates memory and initializes state variables 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber************************************************************************** 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberWord16 Q_plsf_init(Q_plsfState **state) 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Q_plsfState* s; 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == (Q_plsfState **) NULL) 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* fprintf(stderr, "Q_plsf_init: invalid parameter\n"); */ 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = NULL; 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* allocate memory */ 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((s = (Q_plsfState *) malloc(sizeof(Q_plsfState))) == NULL) 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* fprintf(stderr, "Q_plsf_init: can not malloc state structure\n"); */ 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Q_plsf_reset(s); 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = s; 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return 0; 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber************************************************************************** 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Function : Q_plsf_reset 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Purpose : Resets state memory 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber************************************************************************** 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberWord16 Q_plsf_reset(Q_plsfState *state) 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == (Q_plsfState *) NULL) 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* fprintf(stderr, "Q_plsf_reset: invalid parameter\n"); */ 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return -1; 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < M; i++) 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber state->past_rq[i] = 0; 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return 0; 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber************************************************************************** 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Function : Q_plsf_exit 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* Purpose : The memory used for state memory is freed 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber* 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber************************************************************************** 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid Q_plsf_exit(Q_plsfState **state) 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (state == NULL || *state == NULL) 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* deallocate memory */ 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber free(*state); 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *state = NULL; 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 145