1dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/* ------------------------------------------------------------------ 2dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * Copyright (C) 1998-2009 PacketVideo 3dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * 4dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * you may not use this file except in compliance with the License. 6dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * You may obtain a copy of the License at 7dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * 8dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * 10dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * Unless required by applicable law or agreed to in writing, software 11dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * express or implied. 14dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * See the License for the specific language governing permissions 15dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * and limitations under the License. 16dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber * ------------------------------------------------------------------- 17dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber */ 18dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/* 19dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 20dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Pathname: tns_decode_coef.h 21dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 22dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 23dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber REVISION HISTORY 24dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 25dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: Modified to return the LPC coefficients in-place, so the 26dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber interface to tns_decode_coef is changed. 27dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 28dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: Modified to return the q-format of the LPC coefficients. 29dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 30dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: Modified so that only the function is declared here. extern 31dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber references to constant tables removed. Also, new copyright header included. 32dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 33dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: Modified to include extra parameter, so tns_decode_coef can use 34dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber scratch memory techniques. 35dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 36dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: 37dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber (1) Modified to include the lines... 38dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 39dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber #ifdef __cplusplus 40dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber extern "C" { 41dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber #endif 42dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 43dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber #ifdef __cplusplus 44dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber } 45dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber #endif 46dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 47dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber (2) Updated the copyright header. 48dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 49dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Who: Date: 50dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: 51dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 52dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber INCLUDE DESCRIPTION 53dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 54dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber This function includes the function declaration for tns_decode_coef() 55dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 56dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 57dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber*/ 58dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 59dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 60dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; CONTINUE ONLY IF NOT ALREADY DEFINED 61dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 62dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#ifndef TNS_DECODE_COEF_H 63dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#define TNS_DECODE_COEF_H 64dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 65dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#ifdef __cplusplus 66dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberextern "C" 67dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber{ 68dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#endif 69dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 70dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 71dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; INCLUDES 72dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 73dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 74dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 75dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; MACROS 76dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; Define module specific macros here 77dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 78dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 79dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 80dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; DEFINES 81dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; Include all pre-processor statements here. 82dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 83dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 84dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 85dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; EXTERNAL VARIABLES REFERENCES 86dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; Declare variables used in this module but defined elsewhere 87dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 88dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 89dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 90dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; SIMPLE TYPEDEF'S 91dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 92dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 93dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 94dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; ENUMERATED TYPEDEF'S 95dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 96dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 97dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 98dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; STRUCTURES TYPEDEF'S 99dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 100dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 101dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /*---------------------------------------------------------------------------- 102dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; GLOBAL FUNCTION DEFINITIONS 103dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ; Function Prototype declaration 104dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber ----------------------------------------------------------------------------*/ 105dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Int tns_decode_coef( 106dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber const Int order, 107dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber const Int coef_res, 108dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Int32 lpc_coef[], 109dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Int32 scratchTnsDecCoefMem[]); 110dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 111dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#ifdef __cplusplus 112dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber} 113dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#endif 114dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 115dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#endif /* TNS_DECODE_COEF */ 116