12228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 22228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* ----------------------------------------------------------------------------------------------------------- 32228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectSoftware License for The Fraunhofer FDK AAC Codec Library for Android 42228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 54f0d97057c5c640b25518358886f8c47da9fc052Jean-Michel Trivi� Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur F�rderung der angewandten Forschung e.V. 62228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project All rights reserved. 72228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 82228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1. INTRODUCTION 92228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements 102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. 112228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is intended to be used on a wide variety of Android devices. 122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 132228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual 142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectaudio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by 152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindependent studies and is widely deployed. AAC has been standardized by ISO and IEC as part 162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof the MPEG specifications. 172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 182228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectPatent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) 192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmay be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners 202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindividually for the purpose of encoding or decoding bit streams in products that are compliant with 212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license 222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthese patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec 232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware may already be covered under those patent licenses when it is used for those licensed purposes only. 242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 252228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCommercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, 262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectare also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional 272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectapplications information and documentation. 282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project2. COPYRIGHT LICENSE 302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 312228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectRedistribution and use in source and binary forms, with or without modification, are permitted without 322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectpayment of copyright license fees provided that you satisfy the following conditions: 332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 342228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in redistributions of the FDK AAC Codec or 352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectyour modifications thereto in source code form. 362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in the documentation and/or other materials 382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprovided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. 392228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must make available free of charge copies of the complete source code of the FDK AAC Codec and your 402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmodifications thereto to recipients of copies in binary form. 412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe name of Fraunhofer may not be used to endorse or promote products derived from this library without 432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprior written permission. 442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 452228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec 462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware or your modifications thereto. 472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 482228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYour modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software 492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectand the date of any change. For modified versions of the FDK AAC Codec, the term 502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term 512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." 522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project3. NO PATENT LICENSE 542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectNO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, 562228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with 572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectrespect to this software. 582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized 602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectby appropriate patent licenses. 612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project4. DISCLAIMER 632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 642228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors 652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties 662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 672228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, 682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectincluding but not limited to procurement of substitute goods or services; loss of use, data, or profits, 692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projector business interruption, however caused and on any theory of liability, whether in contract, strict 702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectliability, or tort (including negligence), arising in any way out of the use of this software, even if 712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectadvised of the possibility of such damage. 722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project5. CONTACT INFORMATION 742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 752228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectFraunhofer Institute for Integrated Circuits IIS 762228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAttention: Audio and Multimedia Departments - FDK AAC LL 772228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAm Wolfsmantel 33 782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project91058 Erlangen, Germany 792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectwww.iis.fraunhofer.de/amm 812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectamm-info@iis.fraunhofer.de 822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project----------------------------------------------------------------------------------------------------------- */ 832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/***************************** MPEG-4 AAC Decoder ************************** 852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Author(s): Josef Hoepfl 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Description: individual channel stream info 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifndef CHANNELINFO_H 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define CHANNELINFO_H 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "common_fix.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aac_rom.h" 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdecoder_lib.h" 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_bitstream.h" 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "overlapadd.h" 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "mdct.h" 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "stereo.h" 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "pulsedata.h" 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_tns.h" 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_pns.h" 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_hcr_types.h" 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "rvlc_info.h" 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "conceal_types.h" 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #include "aacdec_drc_types.h" 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Output rendering mode */ 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef enum { 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACDEC_RENDER_INVALID = 0, 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACDEC_RENDER_IMDCT, 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACDEC_RENDER_ELDFB, 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACDEC_RENDER_LPD, 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACDEC_RENDER_INTIMDCT 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} AACDEC_RENDER_MODE; 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectenum { 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MAX_QUANTIZED_VALUE = 8191 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectenum 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project OnlyLongSequence = 0, 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LongStartSequence, 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project EightShortSequence, 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LongStopSequence 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SHORT *ScaleFactorBands_Long; 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SHORT *ScaleFactorBands_Short; 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR NumberOfScaleFactorBands_Long; 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR NumberOfScaleFactorBands_Short; 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT samplingRateIndex; 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT samplingRate; 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} SamplingRateInfo; 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR CommonWindow; 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR GlobalGain; 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CRawDataInfo; 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR WindowGroupLength[8]; 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR WindowGroups; 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR Valid; 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR WindowShape; /* 0: sine window, 1: KBD, 2: low overlap */ 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR WindowSequence; /* See enum above, 0: long, 1: start, 2: short, 3: stop */ 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR MaxSfBands; 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR ScaleFactorGrouping; 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR TotalSfBands; 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CIcsInfo; 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectenum 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ZERO_HCB = 0, 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ESCBOOK = 11, 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project NSPECBOOKS = ESCBOOK + 1, 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project BOOKSCL = NSPECBOOKS, 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project NOISE_HCB = 13, 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INTENSITY_HCB2 = 14, 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INTENSITY_HCB = 15, 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LAST_HCB 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TNS_SCALE 3 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * This struct must be allocated one for every channel and must be persistent. 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FIXP_DBL *pOverlapBuffer; 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project mdct_t IMdct; 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CDrcChannelData drcData; 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealmentInfo concealmentInfo; 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CAacDecoderStaticChannelInfo; 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * This union must be allocated for every element (up to 2 channels). 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Common bit stream data */ 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT aScaleFactor[(8*16)]; /* Spectral scale factors for each sfb in each window. */ 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT aSfbScale[(8*16)]; /* could be free after ApplyTools() */ 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR aCodeBook[(8*16)]; /* section data: codebook for each window and sfb. */ 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CTnsData TnsData; 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CRawDataInfo RawDataInfo; 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project shouldBeUnion { 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project struct { 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPulseData PulseData; 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT aNumLineInSec4Hcr[MAX_SFB_HCR]; /* needed once for all channels except for Drm syntax */ 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR aCodeBooks4Hcr[MAX_SFB_HCR]; /* needed once for all channels except for Drm syntax. Same as "aCodeBook" ? */ 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT lenOfReorderedSpectralData; 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR lenOfLongestCodeword; 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR numberSection; 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR rvlcCurrentScaleFactorOK; 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR rvlcIntensityUsed; 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } aac; 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } specificTo; 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CAacDecoderDynamicData; 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef shouldBeUnion { 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderDynamicData pAacDecoderDynamicData[2]; 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Common signal data, can be used once the bit stream data from above is not used anymore. */ 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FIXP_DBL mdctOutTemp[1024]; 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FIXP_DBL sbrWorkBuffer[1024*2]; 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CWorkBufferCore1; 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Common data referenced by all channels */ 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CWorkBufferCore1 *workBufferCore1; 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FIXP_DBL* workBufferCore2; 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPnsInterChannelData pnsInterChannelData; 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT pnsCurrentSeed; 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT pnsRandomSeed[(8*16)]; 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CJointStereoData jointStereoData; /* One for one element */ 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project shouldBeUnion { 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project struct { 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CErHcrInfo erHcrInfo; 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CErRvlcInfo erRvlcInfo; 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT aRvlcScfEsc[RVLC_MAX_SFB]; /* needed once for all channels */ 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT aRvlcScfFwd[RVLC_MAX_SFB]; /* needed once for all channels */ 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT aRvlcScfBwd[RVLC_MAX_SFB]; /* needed once for all channels */ 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } aac; 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } overlay; 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CAacDecoderCommonData; 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * This struct must be allocated one for every channels of every element and must be persistent. 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * Among its members, the following memory areas can be overwritten under the given conditions: 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - pSpectralCoefficient The memory pointed to can be overwritten after time signal rendering. 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - data can be overwritten after time signal rendering. 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - pDynData memory pointed to can be overwritten after each CChannelElement_Decode() call. 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - pComData->overlay memory pointed to can be overwritten after each CChannelElement_Decode() call.. 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SPECTRAL_PTR pSpectralCoefficient; /* Spectral coefficients of each window */ 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SHORT specScale[8]; /* Scale shift values of each spectrum window */ 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CIcsInfo icsInfo; 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT granuleLength; /* Size of smallest spectrum piece */ 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR ElementInstanceTag; 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACDEC_RENDER_MODE renderMode; /* Output signal rendering mode */ 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project shouldBeUnion { 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project struct { 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPnsData PnsData; /* Not required for USAC */ 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } aac; 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project struct { 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } usac; 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } data; 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderDynamicData *pDynData; /* Data required for one element and discarded after decoding */ 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderCommonData *pComData; /* Data required for one channel at a time during decode */ 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CAacDecoderChannelInfo; 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* channelinfo.cpp */ 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR getSamplingRateInfo(SamplingRateInfo *t, UINT samplesPerFrame, UINT samplingRateIndex, UINT samplingRate); 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Read max SFB from bit stream and assign TotalSfBands according 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * to the window sequence and sample rate. 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param hBs bit stream handle as data source 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param pIcsInfo IcsInfo structure to read the window sequence and store MaxSfBands and TotalSfBands 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param pSamplingRateInfo read only 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR IcsReadMaxSfb ( 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs, 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CIcsInfo *pIcsInfo, 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SamplingRateInfo *pSamplingRateInfo 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR IcsRead( 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CIcsInfo *pIcsInfo, 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SamplingRateInfo* SamplingRateInfoTable, 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT flags 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* stereo.cpp, only called from this file */ 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Applies MS stereo. 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function applies MS stereo. 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param pAacDecoderChannelInfo aac channel info. 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param pScaleFactorBandOffsets pointer to scalefactor band offsets. 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param pWindowGroupLength pointer to window group length array. 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param windowGroups number of window groups. 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param scaleFactorBandsTransmittedL number of transmitted scalefactor bands in left channel. 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param scaleFactorBandsTransmittedR number of transmitted scalefactor bands in right channel. 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project May differ from scaleFactorBandsTransmittedL only for USAC. 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return none 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CJointStereo_ApplyMS(CAacDecoderChannelInfo *pAacDecoderChannelInfo[2], 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const short *pScaleFactorBandOffsets, 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UCHAR *pWindowGroupLength, 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int windowGroups, 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int scaleFactorBandsTransmittedL, 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int scaleFactorBandsTransmittedR); 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Applies intensity stereo 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function applies intensity stereo. 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param pAacDecoderChannelInfo aac channel info. 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param pScaleFactorBandOffsets pointer to scalefactor band offsets. 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param pWindowGroupLength pointer to window group length array. 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param windowGroups number of window groups. 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param scaleFactorBandsTransmitted number of transmitted scalefactor bands. 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param CommonWindow common window bit. 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return none 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CJointStereo_ApplyIS(CAacDecoderChannelInfo *pAacDecoderChannelInfo[2], 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const short *pScaleFactorBandOffsets, 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UCHAR *pWindowGroupLength, 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int windowGroups, 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int scaleFactorBandsTransmitted, 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT CommonWindow); 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* aacdec_pns.cpp */ 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint CPns_IsPnsUsed (const CPnsData *pPnsData, 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int group, 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int band); 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CPns_SetCorrelation(CPnsData *pPnsData, 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int group, 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int band, 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int outofphase); 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/****************** inline functions ******************/ 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR IsValid(const CIcsInfo *pIcsInfo) 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->Valid; 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR IsLongBlock(const CIcsInfo *pIcsInfo) 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (pIcsInfo->WindowSequence != EightShortSequence); 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetWindowShape(const CIcsInfo *pIcsInfo) 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->WindowShape; 3892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetWindowSequence(const CIcsInfo *pIcsInfo) 3922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->WindowSequence; 3942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline const SHORT *GetScaleFactorBandOffsets(const CIcsInfo *pIcsInfo, const SamplingRateInfo* samplingRateInfo) 3972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (IsLongBlock(pIcsInfo)) 3992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return samplingRateInfo->ScaleFactorBands_Long; 4012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 4032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return samplingRateInfo->ScaleFactorBands_Short; 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline int GetWindowsPerFrame(const CIcsInfo *pIcsInfo) 4092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (pIcsInfo->WindowSequence == EightShortSequence) ? 8 : 1; 4112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetWindowGroups(const CIcsInfo *pIcsInfo) 4142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->WindowGroups; 4162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetWindowGroupLength(const CIcsInfo *pIcsInfo, const INT index) 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->WindowGroupLength[index]; 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline const UCHAR *GetWindowGroupLengthTable(const CIcsInfo *pIcsInfo) 4242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->WindowGroupLength; 4262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetScaleFactorBandsTransmitted(const CIcsInfo *pIcsInfo) 4292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->MaxSfBands; 4312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetScaleMaxFactorBandsTransmitted(const CIcsInfo *pIcsInfo0, const CIcsInfo *pIcsInfo1) 4342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return fMax(pIcsInfo0->MaxSfBands, pIcsInfo1->MaxSfBands); 4362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetScaleFactorBandsTotal(const CIcsInfo *pIcsInfo) 4392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pIcsInfo->TotalSfBands; 4412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Note: This function applies to AAC-LC only ! */ 4442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectinline UCHAR GetMaximumTnsBands(const CIcsInfo *pIcsInfo, const int samplingRateIndex) 4452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return tns_max_bands_tbl[samplingRateIndex][!IsLongBlock(pIcsInfo)]; 4472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* #ifndef CHANNELINFO_H */ 4502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 451