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 Filename: /audio/gsm_amr/c/src/include/p_ol_wgh.h 324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY 354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Moved _cplusplus #ifdef after Include section. 394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Who: Date: 414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: 424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INCLUDE DESCRIPTION 454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber File : p_ol_wgh.h 474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Purpose : Compute the open loop pitch lag with weighting. 484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------ 504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/ 514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifndef P_OL_WGH_H 534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define P_OL_WGH_H "$Id $" 544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*---------------------------------------------------------------------------- 564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES 574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/ 584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "typedef.h" 594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "mode.h" 604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "vad.h" 614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*--------------------------------------------------------------------------*/ 634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus 644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberextern "C" 654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{ 664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; MACROS 704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; [Define module specific macros here] 714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; DEFINES 754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; [Include all pre-processor statements here.] 764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; EXTERNAL VARIABLES REFERENCES 804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; [Declare variables used in this module but defined elsewhere] 814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber extern const Word16 corrweight[]; 834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; SIMPLE TYPEDEF'S 864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; ENUMERATED TYPEDEF'S 904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; STRUCTURES TYPEDEF'S 944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* state variable */ 964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber typedef struct 984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber { 994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 old_T0_med; 1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 ada_w; 1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 wght_flg; 1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber } pitchOLWghtState; 1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /*---------------------------------------------------------------------------- 1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; GLOBAL FUNCTION DEFINITIONS 1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ; [List function prototypes here] 1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ----------------------------------------------------------------------------*/ 1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 p_ol_wgh_init(pitchOLWghtState **st); 1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* initialize one instance of the pre processing state. 1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Stores pointer to filter status struct in *st. This pointer has to 1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber be passed to p_ol_wgh in each call. 1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber returns 0 on success 1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 p_ol_wgh_reset(pitchOLWghtState *st); 1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* reset of pre processing state (i.e. set state memory to zero) 1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber returns 0 on success 1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber void p_ol_wgh_exit(pitchOLWghtState **st); 1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* de-initialize pre processing state (i.e. free status struct) 1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber stores NULL in *st 1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */ 1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 Pitch_ol_wgh( /* o : open loop pitch lag */ 1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber pitchOLWghtState *st, /* i/o : State struct */ 1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber vadState *vadSt, /* i/o : VAD state struct */ 1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 signal[], /* i : signal used to compute the open loop pitch */ 1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber /* signal[-pit_max] to signal[-1] should be known */ 1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 pit_min, /* i : minimum pitch lag */ 1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 pit_max, /* i : maximum pitch lag */ 1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 L_frame, /* i : length of frame to compute pitch */ 1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 old_lags[], /* i : history with old stored Cl lags */ 1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 ol_gain_flg[], /* i : OL gain flag */ 1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Word16 idx, /* i : index */ 1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Flag dtx, /* i : dtx flag; use dtx=1, do not use dtx=0 */ 1374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Flag *pOverflow /* o : overflow flag */ 1384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber ); 1394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus 1414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber} 1424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif 1434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber 1444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif /* _P_OL_WGH_H_ */ 145