1b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* ------------------------------------------------------------------ 2b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * 4b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * you may not use this file except in compliance with the License. 6b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * You may obtain a copy of the License at 7b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * 8b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * 10b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * Unless required by applicable law or agreed to in writing, software 11b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * express or implied. 14b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * See the License for the specific language governing permissions 15b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * and limitations under the License. 16b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * ------------------------------------------------------------------- 17b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 18b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/**************************************************************************************** 19b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberPortions of this file are derived from the following 3GPP standard: 20b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 21b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 3GPP TS 26.073 22b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Available from http://www.3gpp.org 24b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 25b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas HuberPermission to distribute, modify and use this file under the standard license 27b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberterms listed above has been obtained from the copyright holder. 28b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber****************************************************************************************/ 29b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 30b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 31b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 32b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 33b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 34b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Pathname: ./audio/gsm-amr/c/src/ol_ltp.c 35b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Funtions: ol_ltp 36b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 37b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Date: 04/18/2000 38b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 39b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 40b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REVISION HISTORY 41b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 42b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Adding pOverflow to the functions to remove global variables. 43b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber These changes are needed for the EPOC releases. Cleaned up code. 44b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Updated template. 45b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 46b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 47b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 48b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: 49b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 50b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 51b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 52b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 53b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 54b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; INCLUDES 55b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 56b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "ol_ltp.h" 57b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "cnst.h" 58b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "pitch_ol.h" 59b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "p_ol_wgh.h" 60b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 61b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 62b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; MACROS 63b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Define module specific macros here 64b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 65b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 66b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 67b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; DEFINES 68b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Include all pre-processor statements here. Include conditional 69b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; compile variables also. 70b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 71b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 72b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 73b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; LOCAL FUNCTION DEFINITIONS 74b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Function Prototype declaration 75b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 76b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 77b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 78b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; LOCAL VARIABLE DEFINITIONS 79b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; Variable declaration - defined here and used outside this module 80b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 81b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 82b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 83b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 84b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION NAME: ol_ltp 85b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 86b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber INPUT AND OUTPUT DEFINITIONS 87b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 88b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Inputs: 89b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber st = pointer to pitchOLWghtState structure 90b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber vadSt = pointer to a vadState structure 91b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber mode = coder mode (Mode) 92b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber wsp = pointer to buffer of signal used to compute the Open loop pitch 93b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber T_op = pointer to open loop pitch lag 94b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber old_lags = pointer to history with old stored Cl lags (Word16) 95b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ol_gain_flg = pointer to OL gain flag (Word16) 96b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber idx = 16 bit value specifies the frame index 97b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber dtx = Data of type 'Flag' used for dtx. Use dtx=1, do not use dtx=0 98b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pOverflow = pointer to Overflow indicator (Flag) 99b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 100b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Outputs: 101b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pOverflow -> 1 if processing this funvction results in satuaration 102b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 103b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Returns: 104b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Zero 105b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 106b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Global Variables Used: 107b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 108b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 109b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Local Variables Needed: 110b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 111b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 112b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 113b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber FUNCTION DESCRIPTION 114b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 115b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber This function computes the open loop pitch lag. 116b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 117b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 118b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REQUIREMENTS 119b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 120b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber None 121b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 122b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 123b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber REFERENCES 124b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 125b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ol_ltp.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 126b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 127b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 128b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber PSEUDO-CODE 129b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 130b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberint ol_ltp( 131b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pitchOLWghtState *st, // i/o : State struct 132b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber vadState *vadSt, // i/o : VAD state struct 133b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber enum Mode mode, // i : coder mode 134b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 wsp[], // i : signal used to compute the OL pitch, Q0 135b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber // uses signal[-pit_max] to signal[-1] 136b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 *T_op, // o : open loop pitch lag, Q0 137b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 old_lags[], // i : history with old stored Cl lags 138b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 ol_gain_flg[], // i : OL gain flag 139b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 idx, // i : index 140b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Flag dtx // i : dtx flag; use dtx=1, do not use dtx=0 141b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ) 142b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 143b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub ((Word16)mode, (Word16)MR102) != 0 ) 144b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 145b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ol_gain_flg[0] = 0; 146b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ol_gain_flg[1] = 0; 147b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 148b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 149b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (sub ((Word16)mode, (Word16)MR475) == 0 || sub ((Word16)mode, (Word16)MR515) == 0 ) 150b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 151b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol(vadSt, mode, wsp, PIT_MIN, PIT_MAX, L_FRAME, idx, dtx); 152b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 153b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 154b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 155b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if ( sub ((Word16)mode, (Word16)MR795) <= 0 ) 156b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 157b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol(vadSt, mode, wsp, PIT_MIN, PIT_MAX, L_FRAME_BY2, 158b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber idx, dtx); 159b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 160b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else if ( sub ((Word16)mode, (Word16)MR102) == 0 ) 161b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 162b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol_wgh(st, vadSt, wsp, PIT_MIN, PIT_MAX, L_FRAME_BY2, 163b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber old_lags, ol_gain_flg, idx, dtx); 164b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 165b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 166b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 167b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol(vadSt, mode, wsp, PIT_MIN_MR122, PIT_MAX, 168b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber L_FRAME_BY2, idx, dtx); 169b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 170b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 171b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber return 0; 172b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 173b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 174b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 175b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber RESOURCES USED [optional] 176b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 177b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber When the code is written for a specific target processor the 178b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber the resources used should be documented below. 179b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 180b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber HEAP MEMORY USED: x bytes 181b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 182b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber STACK MEMORY USED: x bytes 183b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 184b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CLOCK CYCLES: (cycle count equation for this function) + (variable 185b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber used to represent cycle count for each subroutine 186b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber called) 187b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber where: (cycle count variable) = cycle count for [subroutine 188b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber name] 189b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 190b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 191b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber CAUTION [optional] 192b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber [State any special notes, constraints or cautions for users of this function] 193b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 194b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber------------------------------------------------------------------------------ 195b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 196b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 197b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 198b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/*---------------------------------------------------------------------------- 199b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber; FUNCTION CODE 200b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber----------------------------------------------------------------------------*/ 201b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Hubervoid ol_ltp( 202b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pitchOLWghtState *st, /* i/o : State struct */ 203b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber vadState *vadSt, /* i/o : VAD state struct */ 204b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber enum Mode mode, /* i : coder mode */ 205b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 wsp[], /* i : signal used to compute the OL pitch, Q0 */ 206b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* uses signal[-pit_max] to signal[-1] */ 207b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 *T_op, /* o : open loop pitch lag, Q0 */ 208b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 old_lags[], /* i : history with old stored Cl lags */ 209b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 ol_gain_flg[], /* i : OL gain flag */ 210b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 idx, /* i : index */ 211b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Flag dtx, /* i : dtx flag; use dtx=1, do not use dtx=0 */ 212b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Flag *pOverflow /* i/o : overflow indicator */ 213b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber) 214b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 215b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if ((mode != MR102)) 216b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 217b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ol_gain_flg[0] = 0; 218b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ol_gain_flg[1] = 0; 219b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 220b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 221b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if ((mode == MR475) || (mode == MR515)) 222b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 223b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol(vadSt, mode, wsp, PIT_MIN, PIT_MAX, L_FRAME, idx, dtx, 224b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber pOverflow); 225b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 226b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 227b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 228b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber if (mode <= MR795) 229b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 230b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol(vadSt, mode, wsp, PIT_MIN, PIT_MAX, L_FRAME_BY2, 231b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber idx, dtx, pOverflow); 232b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 233b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else if (mode == MR102) 234b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 235b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol_wgh(st, vadSt, wsp, PIT_MIN, PIT_MAX, L_FRAME_BY2, 236b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber old_lags, ol_gain_flg, idx, dtx, pOverflow); 237b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 238b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber else 239b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 240b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber *T_op = Pitch_ol(vadSt, mode, wsp, PIT_MIN_MR122, PIT_MAX, 241b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber L_FRAME_BY2, idx, dtx, pOverflow); 242b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 243b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } 244b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 245b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 246b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 247