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 26.173 224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec 234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Available from http://www.3gpp.org 244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber(C) 2007, 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 Filename: lagconceal.cpp 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Date: 05/08/2007 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INPUT AND OUTPUT DEFINITIONS 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 gain_hist[], (i) : Gain history 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 lag_hist[], (i) : Subframe size 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * T0, (i/o): current lag 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * old_T0, (i/o): previous lag 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * seed, 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 unusable_frame 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber FUNCTION DESCRIPTION 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Concealment of LTP lags during bad frames 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REQUIREMENTS 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REFERENCES 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber PSEUDO-CODE 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "pv_amr_wb_type_defs.h" 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "pvamrwbdecoder_basic_op.h" 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "pvamrwbdecoder_cnst.h" 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "pvamrwbdecoder_acelp.h" 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; MACROS 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Define module specific macros here 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; DEFINES 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Include all pre-processor statements here. Include conditional 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; compile variables also. 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define L_LTPHIST 5 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define ONE_PER_3 10923 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define ONE_PER_LTPHIST 6554 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL FUNCTION DEFINITIONS 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Function Prototype declaration 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid insertion_sort(int16 array[], int16 n); 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid insert(int16 array[], int16 num, int16 x); 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Variable declaration - defined here and used outside this module 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; EXTERNAL FUNCTION REFERENCES 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Declare functions defined elsewhere and referenced in this module 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; Declare variables used in this module but defined elsewhere 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid Init_Lagconc(int16 lag_hist[]) 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 i; 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < L_LTPHIST; i++) 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lag_hist[i] = 64; 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid lagconceal( 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 gain_hist[], /* (i) : Gain history */ 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 lag_hist[], /* (i) : Subframe size */ 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * T0, 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * old_T0, 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 * seed, 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 unusable_frame 1454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber) 1464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 1474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 maxLag, minLag, lastLag, lagDif, meanLag = 0; 1484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 lag_hist2[L_LTPHIST] = {0}; 1494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 i, tmp, tmp2; 1504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 minGain, lastGain, secLastGain; 1514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 D, D2; 1524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Is lag index such that it can be aplied directly or does it has to be subtituted */ 1544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lastGain = gain_hist[4]; 1564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber secLastGain = gain_hist[3]; 1574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lastLag = lag_hist[0]; 1594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /******* SMALLEST history lag *******/ 1614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber minLag = lag_hist[0]; 1624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /******* BIGGEST history lag *******/ 1634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber maxLag = lag_hist[0]; 1644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 1; i < L_LTPHIST; i++) 1654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (lag_hist[i] < minLag) 1674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber minLag = lag_hist[i]; 1694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (lag_hist[i] > maxLag) 1714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber maxLag = lag_hist[i]; 1734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /***********SMALLEST history gain***********/ 1764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber minGain = gain_hist[0]; 1774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 1; i < L_LTPHIST; i++) 1784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (gain_hist[i] < minGain) 1814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber minGain = gain_hist[i]; 1834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /***Difference between MAX and MIN lag**/ 1864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lagDif = sub_int16(maxLag, minLag); 1874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (unusable_frame != 0) 1904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* LTP-lag for RX_SPEECH_LOST */ 1924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /**********Recognition of the LTP-history*********/ 1934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((minGain > 8192) && (lagDif < 10)) 1954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 1964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = *old_T0; 1974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 1984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if (lastGain > 8192 && secLastGain > 8192) 1994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = lag_hist[0]; 2014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 2034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /********SORT************/ 2054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* The sorting of the lag history */ 2064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < L_LTPHIST; i++) 2074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lag_hist2[i] = lag_hist[i]; 2094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber insertion_sort(lag_hist2, 5); 2114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Lag is weighted towards bigger lags */ 2134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* and random variation is added */ 2144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lagDif = sub_int16(lag_hist2[4], lag_hist2[2]); 2154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (lagDif > 40) 2184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lagDif = 40; 2204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber D = noise_gen_amrwb(seed); /* D={-1, ...,1} */ 2234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* D2={-lagDif/2..lagDif/2} */ 2244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber tmp = lagDif >> 1; 2254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber D2 = mult_int16(tmp, D); 2264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber tmp = add_int16(add_int16(lag_hist2[2], lag_hist2[3]), lag_hist2[4]); 2274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = add_int16(mult_int16(tmp, ONE_PER_3), D2); 2284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* New lag is not allowed to be bigger or smaller than last lag values */ 2304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (*T0 > maxLag) 2324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = maxLag; 2344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (*T0 < minLag) 2374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = minLag; 2394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 2424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* LTP-lag for RX_BAD_FRAME */ 2444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /***********MEAN lag**************/ 2464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber meanLag = 0; 2474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < L_LTPHIST; i++) 2484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber meanLag = add_int16(meanLag, lag_hist[i]); 2504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber meanLag = mult_int16(meanLag, ONE_PER_LTPHIST); 2524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber tmp = *T0 - maxLag; 2544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber tmp2 = *T0 - lastLag; 2554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((lagDif < 10) && (*T0 > (minLag - 5)) && (tmp < 5)) 2574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = *T0; 2594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if ((lastGain > 8192) && (secLastGain > 8192) && ((tmp2 + 10) > 0 && tmp2 < 10)) 2614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = *T0; 2634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if ((minGain < 6554) && (lastGain == minGain) && (*T0 > minLag && *T0 < maxLag)) 2654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = *T0; 2674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if ((lagDif < 70) && (*T0 > minLag) && (*T0 < maxLag)) 2694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = *T0; 2714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if ((*T0 > meanLag) && (*T0 < maxLag)) 2734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = *T0; 2754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 2774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if ((minGain > 8192) & (lagDif < 10)) 2814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = lag_hist[0]; 2834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else if ((lastGain > 8192) && (secLastGain > 8192)) 2854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = lag_hist[0]; 2874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 2894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /********SORT************/ 2914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* The sorting of the lag history */ 2924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < L_LTPHIST; i++) 2934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 2944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lag_hist2[i] = lag_hist[i]; 2954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 2964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber insertion_sort(lag_hist2, 5); 2974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 2984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* Lag is weighted towards bigger lags */ 2994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* and random variation is added */ 3004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lagDif = sub_int16(lag_hist2[4], lag_hist2[2]); 3014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (lagDif > 40) 3034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber lagDif = 40; 3054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber D = noise_gen_amrwb(seed); /* D={-1,.., 1} */ 3084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* D2={-lagDif/2..lagDif/2} */ 3094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber tmp = lagDif >> 1; 3104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber D2 = mult_int16(tmp, D); 3114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber tmp = add_int16(add_int16(lag_hist2[2], lag_hist2[3]), lag_hist2[4]); 3124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = add_int16(mult_int16(tmp, ONE_PER_3), D2); 3134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* New lag is not allowed to be bigger or smaller than last lag values */ 3154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (*T0 > maxLag) 3174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = maxLag; 3194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (*T0 < minLag) 3224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *T0 = minLag; 3244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 3284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 3304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 3314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 3324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid insertion_sort(int16 array[], int16 n) 3344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 3354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 i; 3364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = 0; i < n; i++) 3384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber insert(array, i, array[i]); 3404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 3424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 3444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; FUNCTION CODE 3454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 3464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Hubervoid insert(int16 array[], int16 n, int16 x) 3484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 3494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber int16 i; 3504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber for (i = (n - 1); i >= 0; i--) 3524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 3544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber if (x < array[i]) 3554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber array[i + 1] = array[i]; 3574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber else 3594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 3604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber break; 3614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } 3634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber array[i + 1] = x; 3644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 365