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): Daniel Homm 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Description: 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifndef LATM_DEMUX_H 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define LATM_DEMUX_H 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpdec_lib.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_bitstream.h" 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MIN_LATM_HEADERLENGTH 9 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MIN_LOAS_HEADERLENGTH MIN_LATM_HEADERLENGTH + 24 /* both in bits */ 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #define MIN_TP_BUF_SIZE_LOAS ( 8194 ) 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectenum { 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LATM_MAX_PROG = 1, 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LATM_MAX_LAYER = 2, 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LATM_MAX_VAR_CHUNKS=16, 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LATM_MAX_ID=16 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_frameLengthType; 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_bufferFullness; 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_streamID; 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_frameLengthInBits; 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} LATM_LAYER_INFO; 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LATM_LAYER_INFO m_linfo[LATM_MAX_PROG][LATM_MAX_LAYER]; 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_taraBufferFullness; 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_otherDataLength; 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT m_audioMuxLengthBytes; /* Length of LOAS payload */ 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_useSameStreamMux; 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_AudioMuxVersion; 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_AudioMuxVersionA; 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_allStreamsSameTimeFraming; 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_noSubFrames; 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_numProgram; 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_numLayer; 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_useSameConfig; 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_otherDataPresent; 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_crcCheckPresent; 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR m_crcCheckSum; 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR BufferFullnessAchieved; 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CLatmDemux; 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint CLatmDemux_ReadAuChunkLengthInfo(HANDLE_FDK_BITSTREAM bs); 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR CLatmDemux_Read( 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CLatmDemux *pLatmDemux, 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORT_TYPE tt, 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSTpCallBacks *pTpDecCallbacks, 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSAudioSpecificConfig *pAsc, 1475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pfConfigFound, 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT ignoreBufferFullness 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi/** 1525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \brief Read StreamMuxConfig 1535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param bs bit stream handle as data source 1545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param pLatmDemux pointer to CLatmDemux struct of current LATM context 1555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param pTpDecCallbacks Call back structure for configuration callbacks 1565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param pAsc pointer to a ASC for configuration storage 1575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param pfConfigFound pointer to a flag which is set to 1 if a configuration was found and processed successfully 1585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \return error code 1595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi */ 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR CLatmDemux_ReadStreamMuxConfig( 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CLatmDemux *pLatmDemux, 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSTpCallBacks *pTpDecCallbacks, 1645016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi CSAudioSpecificConfig *pAsc, 1655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int * pfConfigFound 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR CLatmDemux_ReadPayloadLengthInfo(HANDLE_FDK_BITSTREAM bs, CLatmDemux *pLatmDemux); 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint CLatmDemux_GetFrameLengthInBits(CLatmDemux *pLatmDemux); 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint CLatmDemux_GetOtherDataPresentFlag(CLatmDemux *pLatmDemux); 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint CLatmDemux_GetOtherDataLength(CLatmDemux *pLatmDemux); 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectUINT CLatmDemux_GetNrOfSubFrames(CLatmDemux *pLatmDemux); 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* LATM_DEMUX_H */ 177