1/* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18/* 19 20 Filename: calc_auto_corr.h 21 Funtions: 22 23------------------------------------------------------------------------------ 24 REVISION HISTORY 25 26 27 Who: Date: MM/DD/YYYY 28 Description: 29------------------------------------------------------------------------------ 30 31 32 ---------------------------------------------------------------------------- 33; CONTINUE ONLY IF NOT ALREADY DEFINED 34----------------------------------------------------------------------------*/ 35#ifndef CALC_AUTO_CORR_H 36#define CALC_AUTO_CORR_H 37 38/*---------------------------------------------------------------------------- 39; INCLUDES 40----------------------------------------------------------------------------*/ 41#include "pv_audio_type_defs.h" 42 43/*---------------------------------------------------------------------------- 44; MACROS 45; Define module specific macros here 46----------------------------------------------------------------------------*/ 47 48/*---------------------------------------------------------------------------- 49; DEFINES 50; Include all pre-processor statements here. 51----------------------------------------------------------------------------*/ 52 53/*---------------------------------------------------------------------------- 54; EXTERNAL VARIABLES REFERENCES 55; Declare variables used in this module but defined elsewhere 56----------------------------------------------------------------------------*/ 57 58/*---------------------------------------------------------------------------- 59; SIMPLE TYPEDEF'S 60----------------------------------------------------------------------------*/ 61 62/*---------------------------------------------------------------------------- 63; ENUMERATED TYPEDEF'S 64----------------------------------------------------------------------------*/ 65 66/*---------------------------------------------------------------------------- 67; STRUCTURES TYPEDEF'S 68----------------------------------------------------------------------------*/ 69 70 71struct ACORR_COEFS 72{ 73 Int32 r11r; 74 Int32 r01r; 75 Int32 r02r; 76 Int32 r12r; 77 Int32 r22r; 78#ifdef HQ_SBR 79 Int32 r01i; 80 Int32 r02i; 81 Int32 r12i; 82#endif 83 Int32 det; 84}; 85 86/*---------------------------------------------------------------------------- 87; GLOBAL FUNCTION DEFINITIONS 88; Function Prototype declaration 89----------------------------------------------------------------------------*/ 90 91#ifdef __cplusplus 92extern "C" 93{ 94#endif 95 96 void calc_auto_corr_LC(struct ACORR_COEFS *ac, 97 Int32 realBuf[][32], 98 Int32 bd, 99 Int32 len); 100 101 102#ifdef HQ_SBR 103 104 void calc_auto_corr(struct ACORR_COEFS *ac, 105 Int32 realBuf[][32], 106 Int32 imagBuf[][32], 107 Int32 bd, 108 Int32 len); 109 110#endif 111 112 113#ifdef __cplusplus 114} 115#endif 116 117/*---------------------------------------------------------------------------- 118; END 119----------------------------------------------------------------------------*/ 120#endif 121 122 123