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* GSM AMR-NB speech codec R98 Version 7.5.0 March 2, 2001 33b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* R99 Version 3.2.0 34b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* REL-4 Version 4.0.0 35b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* 36b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber******************************************************************************** 37b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* 38b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* File : pre_proc.h 39b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* Purpose : Preprocessing of input speech. 40b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* 41b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 42b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 43b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 44b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber******************************************************************************** 45b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 46b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#ifndef pre_proc_h 47b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#define pre_proc_h "$Id $" 48b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 49b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber/* 50b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber******************************************************************************** 51b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber* INCLUDE FILES 52b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber******************************************************************************** 53b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber*/ 54b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#include "typedef.h" 55b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 56b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#ifdef __cplusplus 57b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huberextern "C" 58b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber{ 59b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#endif 60b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 61b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* 62b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ******************************************************************************** 63b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * LOCAL VARIABLES AND TABLES 64b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ******************************************************************************** 65b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 66b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 67b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* 68b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ******************************************************************************** 69b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * DEFINITION OF DATA TYPES 70b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ******************************************************************************** 71b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 72b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber typedef struct 73b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber { 74b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 y2_hi; 75b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 y2_lo; 76b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 y1_hi; 77b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 y1_lo; 78b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 x0; 79b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 x1; 80b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber } Pre_ProcessState; 81b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 82b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* 83b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ******************************************************************************** 84b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber * DECLARATION OF PROTOTYPES 85b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ******************************************************************************** 86b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 87b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 88b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 Pre_Process_init(Pre_ProcessState **st); 89b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* initialize one instance of the pre processing state. 90b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Stores pointer to filter status struct in *st. This pointer has to 91b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber be passed to Pre_Process in each call. 92b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber returns 0 on success 93b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 94b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 95b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 Pre_Process_reset(Pre_ProcessState *st); 96b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* reset of pre processing state (i.e. set state memory to zero) 97b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber returns 0 on success 98b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 99b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber void Pre_Process_exit(Pre_ProcessState **st); 100b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber /* de-initialize pre processing state (i.e. free status struct) 101b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber stores NULL in *st 102b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber */ 103b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 104b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber void Pre_Process( 105b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Pre_ProcessState *st, 106b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 signal[], /* Input/output signal */ 107b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber Word16 lg /* Lenght of signal */ 108b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber ); 109b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 110b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#ifdef __cplusplus 111b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber} 112b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#endif 113b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber 114b841f14f8e51f2365945281fbfa54ef6a1b1b5a6Andreas Huber#endif 115