1a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* ------------------------------------------------------------------ 2a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 4a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * you may not use this file except in compliance with the License. 6a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * You may obtain a copy of the License at 7a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 8a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * 10a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * Unless required by applicable law or agreed to in writing, software 11a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * express or implied. 14a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * See the License for the specific language governing permissions 15a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * and limitations under the License. 16a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber * ------------------------------------------------------------------- 17a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 18a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/**************************************************************************************** 19a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPortions of this file are derived from the following 3GPP standard: 20a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 21a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 3GPP TS 26.073 22a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec 23a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Available from http://www.3gpp.org 24a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 25a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) 26a30d40083856cb4edd225faf8b488fab156e5976Andreas HuberPermission to distribute, modify and use this file under the standard license 27a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberterms listed above has been obtained from the copyright holder. 28a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber****************************************************************************************/ 29a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/* 30a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 31a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 32a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 33a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 34a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Filename: /audio/gsm_amr/c/src/include/post_pro.h 35a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 36a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Date: 02/04/2002 37a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 38a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 39a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber REVISION HISTORY 40a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 41a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Replaced "int" and/or "char" with OSCL defined types. 42a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 43a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: Moved _cplusplus #ifdef after Include section. 44a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 45a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Description: 46a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 47a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 48a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber INCLUDE DESCRIPTION 49a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 50a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber File : post_pro.h 51a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Purpose : Postprocessing of output speech. 52a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 53a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber - 2nd order high pass filtering with cut 54a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber off frequency at 60 Hz. 55a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber - Multiplication of output by two. 56a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber------------------------------------------------------------------------------ 57a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber*/ 58a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 59a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#ifndef _POST_PRO_H_ 60a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#define _POST_PRO_H_ 61a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#define post_pro_h "$Id $" 62a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 63a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*---------------------------------------------------------------------------- 64a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber; INCLUDES 65a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber----------------------------------------------------------------------------*/ 66a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#include "typedef.h" 67a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 68a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber/*--------------------------------------------------------------------------*/ 69a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#ifdef __cplusplus 70a30d40083856cb4edd225faf8b488fab156e5976Andreas Huberextern "C" 71a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber{ 72a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#endif 73a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 74a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 75a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; MACROS 76a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; [Define module specific macros here] 77a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 78a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 79a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 80a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; DEFINES 81a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; [Include all pre-processor statements here.] 82a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 83a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 84a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 85a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; EXTERNAL VARIABLES REFERENCES 86a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; [Declare variables used in this module but defined elsewhere] 87a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 88a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 89a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 90a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; SIMPLE TYPEDEF'S 91a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 92a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 93a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 94a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; ENUMERATED TYPEDEF'S 95a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 96a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 97a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 98a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; STRUCTURES TYPEDEF'S 99a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 100a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber typedef struct 101a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber { 102a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 y2_hi; 103a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 y2_lo; 104a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 y1_hi; 105a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 y1_lo; 106a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 x0; 107a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 x1; 108a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber } Post_ProcessState; 109a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 110a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /*---------------------------------------------------------------------------- 111a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; GLOBAL FUNCTION DEFINITIONS 112a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ; [List function prototypes here] 113a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ----------------------------------------------------------------------------*/ 114a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 115a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 Post_Process_reset(Post_ProcessState *st); 116a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* reset of Post processing state (i.e. set state memory to zero) 117a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber returns 0 on success 118a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 119a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber void Post_Process_exit(Post_ProcessState **st); 120a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber /* de-initialize Post processing state (i.e. free status struct) 121a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber stores NULL in *st 122a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber */ 123a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 124a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber void Post_Process( 125a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Post_ProcessState *st, /* i/o : post process state */ 126a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 signal[], /* i/o : signal */ 127a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Word16 lg, /* i : lenght of signal */ 128a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber Flag *pOverflow 129a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber ); 130a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 131a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#ifdef __cplusplus 132a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber} 133a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#endif 134a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 135a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber#endif /* _POST_PRO_H_ */ 136a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 137a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 138a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 139a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 140a30d40083856cb4edd225faf8b488fab156e5976Andreas Huber 141