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 Filename: /audio/gsm_amr/c/include/add.h 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Date: 08/11/2000 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Created separate header file for add function. 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Changed function prototype; pointer to overflow flag is passed 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber in as a parameter. 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Updated copyright section. 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Changed "overflow" to "pOverflow" in the function prototype. 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Moved _cplusplus #ifdef after Include section. 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INCLUDE DESCRIPTION 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This file contains all the constant definitions and prototype definitions 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber needed by the comfort noise(CN) generator functions 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifndef B_CN_COD_H 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define B_CN_COD_H 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "basicop_malloc.h" 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*--------------------------------------------------------------------------*/ 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberextern "C" 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; MACROS 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; Define module specific macros here 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; DEFINES 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; Include all pre-processor statements here. 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; EXTERNAL VARIABLES REFERENCES 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; Declare variables used in this module but defined elsewhere 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber extern Word16 window_200_40[]; 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; SIMPLE TYPEDEF'S 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; ENUMERATED TYPEDEF'S 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; STRUCTURES TYPEDEF'S 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; GLOBAL FUNCTION DEFINITIONS 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; Function Prototype declaration 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; FUNCTION NAME: pseudonoise 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; PURPOSE: Generate a random integer value to use in comfort noise 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; generation. The algorithm uses polynomial x^31 + x^3 + 1 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; (length of PN sequence is 2^31 - 1). 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 pseudonoise( 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word32 *pShift_reg, /* i/o : Old CN generator shift register state */ 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 no_bits /* i : Number of bits */ 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; FUNCTION NAME: build_CN_code 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; PURPOSE: Compute the comfort noise fixed codebook excitation. The 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; gains of the pulses are always +/-1. 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void build_CN_code( 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word32 *pSeed, /* i/o : Old CN generator shift register state */ 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 cod[], /* o : Generated CN fixed codebook vector */ 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Flag *pOverflow /* i/o : Overflow flag */ 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 1454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; FUNCTION NAME: build_CN_param 1494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; 1504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; PURPOSE: Randomize the speech parameters. So that they 1514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; do not produce tonal artifacts if used by ECU. 1524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; 1534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void build_CN_param( 1564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 *pSeed, /* i/o : Old CN generator shift register state */ 1574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber const Word16 n_param, /* i : number of params */ 1584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber const Word16 param_size_table[], /* i : size of params */ 1594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 parm[], /* o : CN Generated params */ 1604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Flag *pOverflow /* i/o : Overflow Flag */ 1614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 1624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; END 1654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus 1674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 1694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif /* _B_CN_COD_H_ */ 1714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 172