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: sbr_aliasing_reduction.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 SBR_ALIASING_REDUCTION_H 36#define SBR_ALIASING_REDUCTION_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/*---------------------------------------------------------------------------- 71; GLOBAL FUNCTION DEFINITIONS 72; Function Prototype declaration 73----------------------------------------------------------------------------*/ 74 75void sbr_aliasing_reduction(Int32 *degreeAlias, 76 Int32 * nrg_gain_man, 77 Int32 * nrg_gain_exp, 78 Int32 * nrg_est_man, 79 Int32 * nrg_est_exp, 80 Int32 * dontUseTheseGainValues, 81 Int32 noSubbands, 82 Int32 lowSubband, 83 Int32 sqrt_cache[][4], 84 Int32 * groupVector); 85 86 87/*---------------------------------------------------------------------------- 88; END 89----------------------------------------------------------------------------*/ 90#endif 91 92 93