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 Filename: sbr_open.c 21dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 22dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 23dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber REVISION HISTORY 24dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 25dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 26dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Who: Date: MM/DD/YYYY 27dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Description: 28dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 29dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 30dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber INPUT AND OUTPUT DEFINITIONS 31dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 32dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 33dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 34dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 35dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber FUNCTION DESCRIPTION 36dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 37dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 38dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 39dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber REQUIREMENTS 40dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 41dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 42dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 43dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber REFERENCES 44dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 45dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberSC 29 Software Copyright Licencing Disclaimer: 46dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 47dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberThis software module was originally developed by 48dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Coding Technologies 49dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 50dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberand edited by 51dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber - 52dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 53dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberin the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3 54dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberstandards for reference purposes and its performance may not have been 55dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberoptimized. This software module is an implementation of one or more tools as 56dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberspecified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards. 57dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberISO/IEC gives users free license to this software module or modifications 58dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberthereof for use in products claiming conformance to audiovisual and 59dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberimage-coding related ITU Recommendations and/or ISO/IEC International 60dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberStandards. ISO/IEC gives users the same free license to this software module or 61dacaa73ae5010b66f4224d70a520945e5b653544Andreas Hubermodifications thereof for research purposes and further ISO/IEC standardisation. 62dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberThose intending to use this software module in products are advised that its 63dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberuse may infringe existing patents. ISO/IEC have no liability for use of this 64dacaa73ae5010b66f4224d70a520945e5b653544Andreas Hubersoftware module or modifications thereof. Copyright is not released for 65dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberproducts that do not conform to audiovisual and image-coding related ITU 66dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberRecommendations and/or ISO/IEC International Standards. 67dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberThe original developer retains full right to modify and use the code for its 68dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberown purpose, assign or donate the code to a third party and to inhibit third 69dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberparties from using the code for products that do not conform to audiovisual and 70dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberimage-coding related ITU Recommendations and/or ISO/IEC International Standards. 71dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberThis copyright notice must be included in all copies or derivative works. 72dacaa73ae5010b66f4224d70a520945e5b653544Andreas HuberCopyright (c) ISO/IEC 2002. 73dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 74dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 75dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber PSEUDO-CODE 76dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 77dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber------------------------------------------------------------------------------ 78dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber*/ 79dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 80dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 81dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 82dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; INCLUDES 83dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 84dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 85dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#ifdef AAC_PLUS 86dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 87dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 88dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#include "sbr_open.h" 89dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#include "s_sbr_header_data.h" 90dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#include "init_sbr_dec.h" 91dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#include "e_sbr_error.h" 92dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#include "aac_mem_funcs.h" 93dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 94dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 95dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 96dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; MACROS 97dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; Define module specific macros here 98dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 99dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 100dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 101dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 102dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; DEFINES 103dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; Include all pre-processor statements here. Include conditional 104dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; compile variables also. 105dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 106dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 107dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 108dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; LOCAL FUNCTION DEFINITIONS 109dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; Function Prototype declaration 110dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 111dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 112dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 113dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; LOCAL STORE/BUFFER/POINTER DEFINITIONS 114dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; Variable declaration - defined here and used outside this module 115dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 116dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huberconst SBR_HEADER_DATA defaultHeader = 117dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber{ 118dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber HEADER_NOT_INITIALIZED, /* status */ 119dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber MASTER_RESET, /* masterStatus */ 120dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 0, /* crcEnable */ 121dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber UP_BY_2, /* sampleRateMode */ 122dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_AMP_RES_3_0, /* ampResolution */ 123dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 5, /* startFreq */ 124dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 0, /* stopFreq */ 125dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 0, /* xover_band */ 126dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_FREQ_SCALE_DEFAULT, /* freqScale */ 127dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_ALTER_SCALE_DEFAULT, /* alterScale */ 128dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_NOISE_BANDS_DEFAULT, /* noise_bands */ 129dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 0, /* noNoiseBands */ 130dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_LIMITER_BANDS_DEFAULT, 131dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_LIMITER_GAINS_DEFAULT, 132dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_INTERPOL_FREQ_DEFAULT, 133dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_SMOOTHING_LENGTH_DEFAULT 134dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber}; 135dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 136dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 137dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; EXTERNAL FUNCTION REFERENCES 138dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; Declare functions defined elsewhere and referenced in this module 139dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 140dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 141dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 142dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES 143dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; Declare variables used in this module but defined elsewhere 144dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 145dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 146dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber/*---------------------------------------------------------------------------- 147dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber; FUNCTION CODE 148dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber----------------------------------------------------------------------------*/ 149dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 150dacaa73ae5010b66f4224d70a520945e5b653544Andreas Hubervoid sbr_open(Int32 sampleRate, 151dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_DEC *sbrDec, 152dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBRDECODER_DATA * self, 153dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber bool bDownSampledSbr) 154dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 155dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber{ 156dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber Int16 i ; 157dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 158dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SBR_CHANNEL *SbrChannel; 159dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 160dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 161dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SbrChannel = self->SbrChannel; 162dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 163dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber for (i = 0; i < MAX_NUM_CHANNELS; i++) 164dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber { 165dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber pv_memset((void *)&(SbrChannel[i]), 166dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 0, 167dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber sizeof(SBR_CHANNEL)); 168dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 169dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /* init a default header such that we can at least do upsampling later */ 170dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 171dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber pv_memcpy(&(SbrChannel[i].frameData.sbr_header), 172dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber &defaultHeader, 173dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber sizeof(SBR_HEADER_DATA)); 174dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 175dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber /* should be handled by sample rate mode bit */ 176dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber if (sampleRate > 24000 || bDownSampledSbr) 177dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber { 178dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SbrChannel[i].frameData.sbr_header.sampleRateMode = SINGLE_RATE; 179dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber } 180dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 181dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 182dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SbrChannel[i].outFrameSize = 183dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber init_sbr_dec(sampleRate, 184dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber self->SbrChannel[0].frameData.sbr_header.sampleRateMode, 185dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber sbrDec, 186dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber &(SbrChannel[i].frameData)); 187dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 188dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SbrChannel[i].syncState = UPSAMPLING; 189dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 190dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber SbrChannel[i].frameData.sUp = 1; /* reset mode */ 191dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber } 192dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber} 193dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 194dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber#endif 195dacaa73ae5010b66f4224d70a520945e5b653544Andreas Huber 196