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 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Pathname: ./audio/gsm-amr/c/src/d_plsf_3.c 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Functions: D_plsf_3 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ------------------------------------------------------------------------------ 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st -- Pointer to type struct D_plsfState 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mode -- enum Mode -- coder mode 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber bfi -- Word16 -- bad frame indicator (set to 1 if a bad frame is received) 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber indice -- Pointer to type Word16 -- quantization indices of 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3 submatrices, Q0 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st -- Pointer to type struct D_plsfState 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsp1_q -- Pointer to type Word16 -- quantized 1st LSP vector Q15 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow -- Pointer to type Flag -- Flag set when overflow occurs 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None. 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PURPOSE: Decodes the LSP parameters using the received quantization 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber indices.1st order MA prediction and split by 3 vector 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber quantization (split-VQ) 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber d_plsf_3.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK USAGE: [stack count for this module] + [variable to represent 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber stack usage for each subroutine called] 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: [stack usage variable] = stack usage for [subroutine 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] (see [filename].ext) 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber DATA MEMORY USED: x words 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PROGRAM MEMORY USED: x words 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: [cycle count equation for this module] + [variable 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called] 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: [cycle count variable] = cycle count for [subroutine 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] (see [filename].ext) 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "d_plsf.h" 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "typedef.h" 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "basic_op.h" 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "lsp_lsf.h" 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "reorder.h" 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "copy.h" 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "q_plsf_3_tbl.h" 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; MACROS 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Define module specific macros here 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; DEFINES 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Include all pre-processor statements here. Include conditional 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; compile variables also. 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define ALPHA 29491 /* ALPHA -> 0.9 */ 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define ONE_ALPHA 3277 /* ONE_ALPHA-> (1.0-ALPHA) */ 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL FUNCTION DEFINITIONS 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Function Prototype declaration 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Variable declaration - defined here and used outside this module 1454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; EXTERNAL FUNCTION REFERENCES 1494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Declare functions defined elsewhere and referenced in this module 1504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 1544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Declare variables used in this module but defined elsewhere 1554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 1604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid D_plsf_3( 1634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber D_plsfState *st, /* i/o: State struct */ 1644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber enum Mode mode, /* i : coder mode */ 1654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 bfi, /* i : bad frame indicator (set to 1 if a */ 1664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* bad frame is received) */ 1674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 * indice, /* i : quantization indices of 3 submatrices, Q0 */ 1684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 * lsp1_q, /* o : quantized 1st LSP vector, Q15 */ 1694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Flag *pOverflow /* o : Flag set when overflow occurs */ 1704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 1714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 i; 1734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 temp; 1744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 index; 1754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 lsf1_r[M]; 1774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 lsf1_q[M]; 1784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (bfi != 0) /* if bad frame */ 1804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* use the past LSFs slightly shifted towards their mean */ 1824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < M; i++) 1844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* lsfi_q[i] = ALPHA*past_lsf_q[i] + ONE_ALPHA*mean_lsf[i]; */ 1864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 1874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mult( 1884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_lsf_q[i], 1894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ALPHA, 1904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 1914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index = 1934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mult( 1944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mean_lsf_3[i], 1954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ONE_ALPHA, 1964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 1974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q[i] = 1994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 2004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index, 2014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 2024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 2034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* estimate past quantized residual to be used in next frame */ 2064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (mode != MRDTX) 2074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < M; i++) 2094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* temp = mean_lsf[i] + past_r2_q[i] * PRED_FAC; */ 2114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 2134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mult( 2144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i], 2154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pred_fac_3[i], 2164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 2174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 2194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 2204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mean_lsf_3[i], 2214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 2224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 2234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i] = 2254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber sub( 2264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q[i], 2274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 2284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 2294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } /* if (mode == MRDTX) */ 2324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 2334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < M; i++) 2354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* temp = mean_lsf[i] + past_r2_q[i]; */ 2374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 2394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 2404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mean_lsf_3[i], 2414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i], 2424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 2434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i] = 2454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber sub( 2464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q[i], 2474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 2484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 2494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } /* if (bfi != 0) */ 2534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else /* if good LSFs received */ 2554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 index_limit_1 = 0; 2584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 index_limit_2 = (DICO2_SIZE - 1) * 3; 2594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 index_limit_3 = 0; 2604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber const Word16 *p_cb1; 2624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber const Word16 *p_cb2; 2634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber const Word16 *p_cb3; 2644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber const Word16 *p_dico; 2654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb2 = dico2_lsf_3; /* size DICO2_SIZE*3 */ 2684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((mode == MR475) || (mode == MR515)) 2704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { /* MR475, MR515 */ 2714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb1 = dico1_lsf_3; /* size DICO1_SIZE*3 */ 2724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb3 = mr515_3_lsf; /* size MR515_3_SIZE*4 */ 2734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index_limit_1 = (DICO1_SIZE - 1) * 3; 2754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index_limit_3 = (MR515_3_SIZE - 1) * 4; 2764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if (mode == MR795) 2794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { /* MR795 */ 2804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb1 = mr795_1_lsf; /* size MR795_1_SIZE*3 */ 2814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb3 = dico3_lsf_3; /* size DICO3_SIZE*4 */ 2824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index_limit_1 = (MR795_1_SIZE - 1) * 3; 2844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index_limit_3 = (DICO3_SIZE - 1) * 4; 2854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 2884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { /* MR59, MR67, MR74, MR102, MRDTX */ 2894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb1 = dico1_lsf_3; /* size DICO1_SIZE*3 */ 2904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_cb3 = dico3_lsf_3; /* size DICO3_SIZE*4 */ 2914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index_limit_1 = (DICO1_SIZE - 1) * 3; 2934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index_limit_3 = (DICO3_SIZE - 1) * 4; 2944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* decode prediction residuals from 3 received indices */ 2984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index = *indice++; 3004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* temp = 3*index; */ 3024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = index + (index << 1); 3034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (temp > index_limit_1) 3054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = index_limit_1; /* avoid buffer overrun */ 3074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_dico = &p_cb1[temp]; 3104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[0] = *p_dico++; 3124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[1] = *p_dico++; 3134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[2] = *p_dico++; 3144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index = *indice++; 3164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (mode == MR475 || mode == MR515) 3184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { /* MR475, MR515 only using every second entry */ 3194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index <<= 1; 3204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* temp = 3*index */ 3234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = index + (index << 1); 3244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (temp > index_limit_2) 3264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = index_limit_2; /* avoid buffer overrun */ 3284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_dico = &p_cb2[temp]; 3314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[3] = *p_dico++; 3334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[4] = *p_dico++; 3344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[5] = *p_dico++; 3354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index = *indice++; 3374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = index << 2; 3394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (temp > index_limit_3) 3414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = index_limit_3; /* avoid buffer overrun */ 3434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber p_dico = &p_cb3[temp]; 3474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[6] = *p_dico++; 3494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[7] = *p_dico++; 3504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[8] = *p_dico++; 3514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[9] = *p_dico++; 3524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Compute quantized LSFs and update the past quantized residual */ 3544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (mode != MRDTX) 3564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < M; i++) 3584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 3604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mult( 3614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i], 3624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pred_fac_3[i], 3634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 3644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 3664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 3674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mean_lsf_3[i], 3684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 3694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 3704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q[i] = 3724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 3734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[i], 3744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 3754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 3764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i] = lsf1_r[i]; 3784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 3814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < M; i++) 3834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp = 3854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 3864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber mean_lsf_3[i], 3874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i], 3884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 3894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q[i] = 3914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber add( 3924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_r[i], 3934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber temp, 3944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 3954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q[i] = lsf1_r[i]; 3974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 4014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* verification that LSFs has minimum distance of LSF_GAP Hz */ 4034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Reorder_lsf( 4054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q, 4064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber LSF_GAP, 4074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber M, 4084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 4094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Copy( 4114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q, 4124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_lsf_q, 4134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber M); 4144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* convert LSFs to the cosine domain */ 4164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Lsf_lsp( 4184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsf1_q, 4194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lsp1_q, 4204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber M, 4214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pOverflow); 4224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber return; 4244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 4254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* 4274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION NAME: Init_D_plsf_3 4294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 4314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Inputs: 4334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st = pointer to a structure of type D_plsfState 4344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber index = Word16, past_rq_init[] index [0, 7] 4354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Outputs: 4374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st = pointer to a structure of type D_plsfState 4384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Returns: 4404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None 4414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Global Variables Used: 4434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None. 4444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Local Variables Needed: 4464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None. 4474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 4504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This function initializes the D_plsfState structure. 4524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 4554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber None. 4574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 4604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber d_plsf_3.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 4624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 4654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber RESOURCES USED [optional] 4684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber When the code is written for a specific target processor the 4704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber the resources used should be documented below. 4714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber HEAP MEMORY USED: x bytes 4734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber STACK MEMORY USED: x bytes 4754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 4774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber used to represent cycle count for each subroutine 4784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber called) 4794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber where: (cycle count variable) = cycle count for [subroutine 4804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber name] 4814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber CAUTION [optional] 4844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber [State any special notes, constraints or cautions for users of this function] 4854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 4864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 4874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 4884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid Init_D_plsf_3( 4894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber D_plsfState *st, /* i/o: State struct */ 4904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 index /* i : past_rq_init[] index [0, 7] */) 4914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 4924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Copy( 4934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber &past_rq_init[index * M], 4944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber st->past_r_q, 4954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber M); 4964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 497