aac_rom.h revision 47c680c62246594107da0a8995c953dfb8040bce
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: Definition of constant tables 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifndef AAC_ROM_H 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define AAC_ROM_H 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "common_fix.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_audio.h" 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_hcr_types.h" 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_hcrs.h" 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define AAC_NF_NO_RANDOM_VAL 512 /*!< Size of random number array for noise floor */ 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define INV_QUANT_TABLESIZE 256 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_DBL InverseQuantTable [INV_QUANT_TABLESIZE + 1] ; 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_DBL MantissaTable [4][14] ; 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const SCHAR ExponentTable [4][14] ; 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define NUM_LD_COEF_512 1536 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define NUM_LD_COEF_480 1440 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Window table partition exponents. */ 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define WTS0 (1) 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define WTS1 (0) 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define WTS2 (-2) 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_WTB LowDelaySynthesis512[1536]; 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_WTB LowDelaySynthesis480[1440]; 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SHORT *sfbOffsetLong; 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SHORT *sfbOffsetShort; 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR numberOfSfbLong; 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR numberOfSfbShort; 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} SFB_INFO; 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const SFB_INFO sfbOffsetTables[5][16]; 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Huffman tables */ 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectenum { 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HuffmanBits = 2, 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HuffmanEntries = (1 << HuffmanBits) 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const USHORT (*CodeBook)[HuffmanEntries]; 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR Dimension; 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR numBits; 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR Offset; 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CodeBookDescription; 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const CodeBookDescription AACcodeBookDescriptionTable[13]; 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const CodeBookDescription AACcodeBookDescriptionSCL; 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const STATEFUNC aStateConstant2State[]; 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const SCHAR aCodebook2StartInt[]; 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aMinOfCbPair[]; 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aMaxOfCbPair[]; 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aMaxCwLen[]; 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aDimCb[]; 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aDimCbShift[]; 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aSignCb[]; 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR aCbPriority[]; 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UINT *aHuffTable[]; 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const SCHAR *aQuantTable[]; 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const USHORT aLargestAbsoluteValue[]; 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UINT aHuffTreeRvlcEscape[]; 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UINT aHuffTreeRvlCodewds[]; 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const UCHAR tns_max_bands_tbl[13][2]; 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 167381d69840ad3af2259f0b7ef49236f9ee9c76b76Jean-Michel Triviextern const UCHAR tns_max_bands_tbl_480[13]; 168381d69840ad3af2259f0b7ef49236f9ee9c76b76Jean-Michel Triviextern const UCHAR tns_max_bands_tbl_512[13]; 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define FIXP_TCC FIXP_DBL 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_TCC FDKaacDec_tnsCoeff3[8]; 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_TCC FDKaacDec_tnsCoeff4[16]; 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const USHORT randomSign[AAC_NF_NO_RANDOM_VAL/16]; 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const FIXP_DBL pow2_div24minus1[47]; 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern const int offsetTab[2][16]; 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18047c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi/* Channel mapping indices for time domain I/O. 18147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi The first dimension is the channel configuration index. */ 18247c680c62246594107da0a8995c953dfb8040bceJean-Michel Triviextern const UCHAR channelMappingTablePassthrough[15][8]; 18347c680c62246594107da0a8995c953dfb8040bceJean-Michel Triviextern const UCHAR channelMappingTableWAV[15][8]; 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Lookup tables for elements in ER bitstream */ 18647c680c62246594107da0a8995c953dfb8040bceJean-Michel Triviextern const MP4_ELEMENT_ID elementsTab[15][7]; 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* #ifndef AAC_ROM_H */ 189