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: 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \page default General Overview of the AAC Decoder Implementation 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The main entry point to decode a AAC frame is CAacDecoder_DecodeFrame(). It handles the different 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transport multiplexes and bitstream formats supported by this implementation. It extracts the 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_raw_data_blocks from these bitstreams to further process then in the actual decoding stages. 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Note: Click on a function of file in the above image to see details about the function. Also note, that 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project this is just an overview of the most important functions and not a complete call graph. 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project <h2>1 Bitstream deformatter</h2> 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The basic bit stream parser function CChannelElement_Read() is called. It uses other subcalls in order 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project to parse and unpack the bitstreams. Note, that this includes huffmann decoding of the coded spectral data. 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project This operation can be computational significant specifically at higher bitrates. Optimization is likely in 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_ReadSpectralData(). 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The bitstream deformatter also includes many bitfield operations. Profiling on the target will determine 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project required optimizations. 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project <h2>2 Actual decoding to retain the time domain output</h2> 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The basic bitstream deformatter function CChannelElement_Decode() for CPE elements and SCE elements are called. 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Except for the stereo processing (2.1) which is only used for CPE elements, the function calls for CPE or SCE 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project are similar, except that CPE always processes to independent channels while SCE only processes one channel. 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Often there is the distinction between long blocks and short blocks. However, computational expensive functions 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project that ususally require optimization are being shared by these two groups, 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project <h3>2.1 Stereo processing for CPE elements</h3> 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CChannelPairElement_Decode() first calles the joint stereo tools in stereo.cpp when required. 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project <h3>2.2 Scaling of spectral data</h3> 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_ScaleSpectralData(). 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project <h3>2.3 Apply additional coding tools</h3> 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ApplyTools() calles the PNS tools in case of MPEG-4 bitstreams, and TNS filtering CTns_Apply() for MPEG-2 and MPEG-4 bitstreams. 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function TnsFilterIIR() which is called by CTns_Apply() (2.3.1) might require some optimization. 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project <h2>3 Frequency-To-Time conversion</h3> 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The filterbank is called using CBlock_FrequencyToTime() using the MDCT module from the FDK Tools 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdecoder.h" 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aac_rom.h" 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aac_ram.h" 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "channel.h" 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_audio.h" 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_tools_rom.h" 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #include "aacdec_pns.h" 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #include "sbrdecoder.h" 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #include "aacdec_hcr.h" 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #include "rvlc.h" 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpdec_lib.h" 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "conceal.h" 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define CAN_DO_PS(aot) \ 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ((aot) == AOT_AAC_LC \ 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project|| (aot) == AOT_SBR \ 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project|| (aot) == AOT_PS \ 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project|| (aot) == AOT_ER_BSAC \ 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project|| (aot) == AOT_DRM_AAC) 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define IS_USAC(aot) \ 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ((aot) == AOT_USAC \ 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project|| (aot) == AOT_RSVD50) 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define IS_LOWDELAY(aot) \ 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ((aot) == AOT_ER_AAC_LD \ 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project|| (aot) == AOT_ER_AAC_ELD) 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CAacDecoder_SyncQmfMode(HANDLE_AACDECODER self) 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Assign user requested mode */ 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->qmfModeCurr = self->qmfModeUser; 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->qmfModeCurr == NOT_DEFINED ) 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (IS_LOWDELAY(self->streamInfo.aot) && (self->flags & AC_MPS_PRESENT)) 1862ddc922da87bb675b8ab8c305566436e806df0d9Jean-Michel Trivi || ( (self->streamInfo.aacNumChannels == 1) 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && ( (CAN_DO_PS(self->streamInfo.aot) && !(self->flags & AC_MPS_PRESENT)) 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project || ( IS_USAC(self->streamInfo.aot) && (self->flags & AC_MPS_PRESENT)) ) ) ) 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->qmfModeCurr = MODE_HQ; 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->qmfModeCurr = MODE_LP; 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set SBR to current QMF mode. Error does not matter. */ 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrDecoder_SetParam(self->hSbrDecoder, SBR_QMF_MODE, (self->qmfModeCurr == MODE_LP)); 1992ddc922da87bb675b8ab8c305566436e806df0d9Jean-Michel Trivi self->psPossible = ((CAN_DO_PS(self->streamInfo.aot) && self->streamInfo.aacNumChannels == 1 && ! (self->flags & AC_MPS_PRESENT))) && self->qmfModeCurr == MODE_HQ ; 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT( ! ( (self->flags & AC_MPS_PRESENT) && self->psPossible ) ); 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CAacDecoder_SignalInterruption(HANDLE_AACDECODER self) 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Reset ancillary data struct. Call before parsing a new frame. 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \ancData Pointer to ancillary data structure 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic AAC_DECODER_ERROR CAacDecoder_AncDataReset(CAncData *ancData) 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i=0; i<8; i++) 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->offset[i] = 0; 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->nrElements = 0; 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_OK; 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Initialize ancillary buffer 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \ancData Pointer to ancillary data structure 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \buffer Pointer to (external) anc data buffer 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \size Size of the buffer pointed on by buffer in bytes 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR CAacDecoder_AncDataInit(CAncData *ancData, unsigned char *buffer, int size) 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (size >= 0) { 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->buffer = buffer; 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->bufferSize = size; 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataReset(ancData); 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_OK; 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_ANC_DATA_ERROR; 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Get one ancillary data element 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \ancData Pointer to ancillary data structure 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \index Index of the anc data element to get 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \ptr Pointer to a buffer receiving a pointer to the requested anc data element 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \size Pointer to a buffer receiving the length of the requested anc data element in bytes 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR CAacDecoder_AncDataGet(CAncData *ancData, int index, unsigned char **ptr, int *size) 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *ptr = NULL; 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *size = 0; 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (index >= 0 && index < 8 && index < ancData->nrElements) 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *ptr = &ancData->buffer[ancData->offset[index]]; 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *size = ancData->offset[index+1] - ancData->offset[index]; 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Parse ancillary data 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \ancData Pointer to ancillary data structure 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \hBs Handle to FDK bitstream 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \ancBytes Length of ancillary data to read from the bitstream 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR CAacDecoder_AncDataParse ( 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAncData *ancData, 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs, 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int ancBytes ) 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int readBytes = 0; 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ancData->buffer != NULL) 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ancBytes > 0) { 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* write ancillary data to external buffer */ 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int offset = ancData->offset[ancData->nrElements]; 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ((offset + ancBytes) > ancData->bufferSize) 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_TOO_SMALL_ANC_BUFFER; 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else if (ancData->nrElements >= 8-1) 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_TOO_MANY_ANC_ELEMENTS; 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i = 0; i < ancBytes; i++) { 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->buffer[i+offset] = FDKreadBits(hBs, 8); 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project readBytes++; 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->nrElements++; 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancData->offset[ancData->nrElements] = ancBytes + ancData->offset[ancData->nrElements-1]; 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project readBytes = ancBytes - readBytes; 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (readBytes > 0) { 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* skip data */ 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushFor(hBs, readBytes<<3); 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Read Stream Data Element 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \bs Bitstream Handle 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic AAC_DECODER_ERROR CDataStreamElement_Read ( 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAncData *ancData, 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_AAC_DRC hDrcInfo, 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC pTp, 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *elementInstanceTag, 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT alignmentAnchor ) 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT dataStart; 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int dataByteAlignFlag, count; 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcReg = transportDec_CrcStartReg(pTp, 0); 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Element Instance Tag */ 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *elementInstanceTag = FDKreadBits(bs,4); 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Data Byte Align Flag */ 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataByteAlignFlag = FDKreadBits(bs,1); 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project count = FDKreadBits(bs,8); 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (count == 255) { 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project count += FDKreadBits(bs,8); /* EscCount */ 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (dataByteAlignFlag) { 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKbyteAlign(bs, alignmentAnchor); 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataStart = FDKgetValidBits(bs); 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = CAacDecoder_AncDataParse(ancData, bs, count); 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_CrcEndReg(pTp, crcReg); 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT readBits, dataBits = count<<3; 3765016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Move to the beginning of the data junk */ 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(bs, dataStart-FDKgetValidBits(bs)); 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read Anc data if available */ 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project readBits = aacDecoder_drcMarkPayload( hDrcInfo, bs, DVB_DRC_ANC_DATA ); 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (readBits != dataBits) { 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Move to the end again. */ 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(bs, FDKgetValidBits(bs)-dataStart+dataBits); 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 3902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 3932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 3942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Read Program Config Element 3952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \bs Bitstream Handle 3975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \pTp Transport decoder handle for CRC handling 3985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \pce Pointer to PCE buffer 3995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \channelConfig Current channel configuration 4005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \alignAnchor Anchor for byte alignment 4012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \return PCE status (-1: fail, 0: no new PCE, 1: PCE updated, 2: PCE updated need re-config). 4032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 4045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivistatic int CProgramConfigElement_Read ( 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC pTp, 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig *pce, 4085016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi const UINT channelConfig, 4095016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi const UINT alignAnchor ) 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int pceStatus = 0; 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcReg; 4132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read PCE to temporal buffer first */ 4152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_START(tmpPce, CProgramConfig, 1); 4165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Init(tmpPce); 4182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Reset(tmpPce); 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcReg = transportDec_CrcStartReg(pTp, 0); 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Read(tmpPce, bs, alignAnchor); 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_CrcEndReg(pTp, crcReg); 4252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( CProgramConfig_IsValid(tmpPce) 4272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (tmpPce->Profile == 1) ) 4285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( !pce->isValid && (channelConfig > 0) ) { 4305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Create a standard channel config PCE to compare with */ 4315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi CProgramConfig_GetDefault( pce, channelConfig ); 4325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pce->isValid) { 4355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Compare the new and the old PCE (tags ignored) */ 4365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi switch ( CProgramConfig_Compare( pce, tmpPce ) ) 4375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case 1: /* Channel configuration not changed. Just new metadata. */ 4395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKmemcpy(pce, tmpPce, sizeof(CProgramConfig)); /* Store the complete PCE */ 4405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceStatus = 1; /* New PCE but no change of config */ 4415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case 2: /* The number of channels are identical but not the config */ 4435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (channelConfig == 0) { 4445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKmemcpy(pce, tmpPce, sizeof(CProgramConfig)); /* Store the complete PCE */ 4455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceStatus = 2; /* Decoder needs re-configuration */ 4465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case -1: /* The channel configuration is completely different */ 4495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceStatus = -1; /* Not supported! */ 4505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case 0: /* Nothing to do because PCE matches the old one exactly. */ 4525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi default: 4535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* pceStatus = 0; */ 4545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_END(tmpPce, CProgramConfig, 1); 4602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi return pceStatus; 4622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi#endif /* TP_PCE_ENABLE */ 4642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 4662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Parse Extension Payload 4672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \self Handle of AAC decoder 4692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \count Pointer to bit counter. 4702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \previous_element ID of previous element (required by some extension payloads) 4712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR CAacDecoder_ExtPayloadParse (HANDLE_AACDECODER self, 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs, 4772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int *count, 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MP4_ELEMENT_ID previous_element, 4792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int elIndex, 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int fIsFillElement) 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project EXT_PAYLOAD_TYPE extension_type; 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bytes = (*count) >> 3; 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcFlag = 0; 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*count < 4) { 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_PARSE_ERROR; 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else if ((INT)FDKgetValidBits(hBs) < *count) { 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_DECODE_FRAME_ERROR; 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project extension_type = (EXT_PAYLOAD_TYPE) FDKreadBits(hBs, 4); /* bs_extension_type */ 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 4; 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (extension_type) 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_DYNAMIC_RANGE: 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT readBits = aacDecoder_drcMarkPayload( self->hDrcInfo, hBs, MPEG_DRC_EXT_DATA ); 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (readBits > *count) 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { /* Read too much. Something went wrong! */ 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= readBits; 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_SBR_DATA_CRC: 5122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcFlag = 1; 5132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_SBR_DATA: 5142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (IS_CHANNEL_ELEMENT(previous_element)) { 5152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SBR_ERROR sbrError; 5162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_SyncQmfMode(self); 5182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrError = sbrDecoder_InitElement( 5202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSampleRate, 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extSamplingRate, 5232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 5242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 5252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element, 5262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIndex 5272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 5282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError == SBRDEC_OK) { 5302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrError = sbrDecoder_Parse ( 5312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 5322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 5332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project count, 5342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count, 5352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcFlag, 5362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element, 5372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIndex, 5382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags & AC_INDEP ); 5392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Enable SBR for implicit SBR signalling. */ 5402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError == SBRDEC_OK) { 5412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 1; 5422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 5442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not try to apply SBR because initializing the element failed. */ 5452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 0; 5462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Citation from ISO/IEC 14496-3 chapter 4.5.2.1.5.2 5482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Fill elements containing an extension_payload() with an extension_type of EXT_SBR_DATA 5492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project or EXT_SBR_DATA_CRC shall not contain any other extension_payload of any other extension_type. 5502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 5512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (fIsFillElement) { 5522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, *count); 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = 0; 5542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 5552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* If this is not a fill element with a known length, we are screwed an no further parsing makes sense. */ 5562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError != SBRDEC_OK) { 5572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 5582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 5612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_FILL_DATA: 5662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int temp; 5682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project temp = FDKreadBits(hBs,4); 5702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bytes--; 5712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (temp != 0) { 5722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while (bytes > 0) { 5762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project temp = FDKreadBits(hBs,8); 5772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bytes--; 5782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (temp != 0xa5) { 5792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = bytes<<3; 5842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_DATA_ELEMENT: 5882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int dataElementVersion; 5902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataElementVersion = FDKreadBits(hBs,4); 5922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 4; 5932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (dataElementVersion == 0) /* ANC_DATA */ 5942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int temp, dataElementLength = 0; 5962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 5972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project temp = FDKreadBits(hBs,8); 5982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 8; 5992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataElementLength += temp; 6002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while (temp == 255 ); 6012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataParse(&self->ancData, hBs, dataElementLength); 6032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= (dataElementLength<<3); 6042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 6052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* align = 0 */ 6062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 6072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 6082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_DATA_LENGTH: 6132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !fIsFillElement /* Makes no sens to have an additional length in a fill ... */ 6142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (self->flags & AC_ER) ) /* ... element because this extension payload type was ... */ 6152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { /* ... created to circumvent the missing length in ER-Syntax. */ 6162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bitCnt, len = FDKreadBits(hBs, 4); 6172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 4; 6185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (len == 15) { 6202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int add_len = FDKreadBits(hBs, 8); 6212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 8; 6222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project len += add_len; 6232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (add_len == 255) { 6252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project len += FDKreadBits(hBs, 16); 6262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 16; 6272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project len <<= 3; 6302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt = len; 6312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (EXT_PAYLOAD_TYPE)FDKreadBits(hBs, 4) == EXT_DATA_LENGTH ) { 6332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check NOTE 2: The extension_payload() included here must 6342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project not have extension_type == EXT_DATA_LENGTH. */ 6352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 6365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* rewind and call myself again. */ 6382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, 4); 6392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = 6412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_ExtPayloadParse ( 6422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self, 6432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 6442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &bitCnt, 6452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element, 6462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIndex, 6475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 0 ); 6482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= len - bitCnt; 6502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Note: the fall through in case the if statement above is not taken is intentional. */ 6522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_FIL: 6562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 6582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* align = 4 */ 6592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushFor(hBs, *count); 6602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = 0; 6612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 6652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (error != AAC_DEC_OK) 6662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && fIsFillElement ) 6672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { /* Skip the remaining extension bytes */ 6682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, *count); 6692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = 0; 6702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Patch error code because decoding can go on. */ 6712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_OK; 6722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Be sure that parsing errors have been stored. */ 6732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 6752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Stream Configuration and Information. 6782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project This class holds configuration and information data for a stream to be decoded. It 6802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project provides the calling application as well as the decoder with substantial information, 6812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project e.g. profile, sampling rate, number of channels found in the bitstream etc. 6822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 6832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 6842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CStreamInfoInit(CStreamInfo *pStreamInfo) 6852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 6862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->aacSampleRate = 0; 6872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->profile = -1; 6882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->aot = AOT_NONE; 6892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->channelConfig = -1; 6912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->bitRate = 0; 6922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->aacSamplesPerFrame = 0; 6932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->extAot = AOT_NONE; 6952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->extSamplingRate = 0; 6962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->flags = 0; 6982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->epConfig = -1; /* default is no ER */ 7002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->numChannels = 0; 7022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->sampleRate = 0; 7032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->frameSize = 0; 7042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 7052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 7072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Initialization of AacDecoderChannelInfo 7082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function initializes the pointers to AacDecoderChannelInfo for each channel, 7102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project set the start values for window shape and window sequence of overlap&add to zero, 7112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project set the overlap buffer to zero and initializes the pointers to the window coefficients. 7122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param bsFormat is the format of the AAC bitstream 7132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return AACDECODER instance 7152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 7162228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP HANDLE_AACDECODER CAacDecoder_Open(TRANSPORT_TYPE bsFormat) /*!< bitstream format (adif,adts,loas,...). */ 7172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 7182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_AACDECODER self; 7192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self = GetAacDecoder(); 7212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self == NULL) { 7222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Assign channel mapping info arrays (doing so removes dependency of settings header in API header). */ 7262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.pChannelIndices = self->channelIndices; 7272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.pChannelType = self->channelType; 7282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set default output mode */ 7302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->outputInterleaved = 1; /* interleaved */ 7312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize anc data */ 7332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataInit(&self->ancData, NULL, 0); 7342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize stream info */ 7362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CStreamInfoInit(&self->streamInfo); 7372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize error concealment common data */ 7392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_InitCommonData(&self->concealCommonData); 7402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo = GetDrcInfo(); 7422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->hDrcInfo == NULL) { 7432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init common DRC structure */ 7462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcInit( self->hDrcInfo ); 7472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set default frame delay */ 7482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcSetParam ( 7492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 7502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project DRC_BS_DELAY, 7512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_GetDelay(&self->concealCommonData) 7522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 7532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacCommonData.workBufferCore1 = GetWorkBufferCore1(); 7562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacCommonData.workBufferCore2 = GetWorkBufferCore2(); 7572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->aacCommonData.workBufferCore1 == NULL 7582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ||self->aacCommonData.workBufferCore2 == NULL ) 7592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return self; 7622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 7642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_Close( self ); 7652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 7672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 7682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Destroy aac decoder */ 7702228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP void CAacDecoder_Close(HANDLE_AACDECODER self) 7712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 7722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 7732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self == NULL) 7752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return; 7762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch=0; ch<(6); ch++) { 7782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch] != NULL) { 7795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer != NULL) { 7805016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeOverlapBuffer (&self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer); 7815016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 7825016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->pAacDecoderStaticChannelInfo[ch] != NULL) { 7835016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeAacDecoderStaticChannelInfo (&self->pAacDecoderStaticChannelInfo[ch]); 7845016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 7852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderChannelInfo[ch] != NULL) { 7872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeAacDecoderChannelInfo (&self->pAacDecoderChannelInfo[ch]); 7882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacChannels = 0; 7922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->hDrcInfo) { 7942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeDrcInfo(&self->hDrcInfo); 7952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->aacCommonData.workBufferCore1 != NULL) { 7985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeWorkBufferCore1 (&self->aacCommonData.workBufferCore1); 7995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->aacCommonData.workBufferCore2 != NULL) { 8015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeWorkBufferCore2 (&self->aacCommonData.workBufferCore2); 8025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeAacDecoder ( &self); 8052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 8062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 8092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Initialization of decoder instance 8102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function initializes the decoder. 8122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return error status: 0 for success, <>0 for unsupported configurations 8142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 8152228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc) 8162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 8172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR err = AAC_DEC_OK; 8182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT ascChannels, ch, ascChanged = 0; 8192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!self) 8212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_INVALID_HANDLE; 8222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project // set profile and check for supported aot 8242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project // leave profile on default (=-1) for all other supported MPEG-4 aot's except aot=2 (=AAC-LC) 8252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (asc->m_aot) { 8262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_AAC_LC: 8272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.profile = 1; 8282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_SBR: 8312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_PS: 8322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_LD: 8332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_ELD: 8342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 8372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_AOT; 8382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Init(&self->pce); 8412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set channels */ 8432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (asc->m_channelConfiguration) { 8442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 0: 8452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 8462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* get channels from program config (ASC) */ 8472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (CProgramConfig_IsValid(&asc->m_progrConfigElement)) { 8482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = asc->m_progrConfigElement.NumChannels; 8492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ascChannels > 0) { 8502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el; 8512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* valid number of channels -> copy program config element (PCE) from ASC */ 8522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(&self->pce, &asc->m_progrConfigElement, sizeof(CProgramConfig)); 8532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Built element table */ 8542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el = CProgramConfig_GetElementTable(&asc->m_progrConfigElement, self->elements, 7); 8552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (; el<7; el++) { 8562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[el] = ID_NONE; 8572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (transportDec_GetFormat(self->hInput) == TT_MP4_ADTS) { 8632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set default max_channels for memory allocation because in implicit channel mapping mode 8642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project we don't know the actual number of channels until we processed at least one raw_data_block(). */ 8652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = (6); 8662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#else /* TP_PCE_ENABLE */ 8712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* TP_PCE_ENABLE */ 8732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 1: case 2: case 3: case 4: case 5: case 6: 8752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = asc->m_channelConfiguration; 8762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 7: 8782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = 8; 8792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 8812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Initialize constant mappings for channel config 1-7 */ 8852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_channelConfiguration > 0) { 8862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el; 8872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(self->elements, elementsTab[asc->m_channelConfiguration-1], sizeof(MP4_ELEMENT_ID)*FDKmin(7,7)); 8882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (el=7; el<7; el++) { 8892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[el] = ID_NONE; 8902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch=0; ch<ascChannels; ch++) { 8922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping[ch] = ch; 8932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (; ch<(6); ch++) { 8952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping[ch] = 255; 8962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8986ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi #ifdef TP_PCE_ENABLE 8996ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi else { 9006ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi if (CProgramConfig_IsValid(&asc->m_progrConfigElement)) { 9016ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi /* Set matrix mixdown infos if available from PCE. */ 9026ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi pcmDmx_SetMatrixMixdownFromPce ( self->hPcmUtils, 9036ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi asc->m_progrConfigElement.MatrixMixdownIndexPresent, 9046ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi asc->m_progrConfigElement.MatrixMixdownIndex, 9056ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi asc->m_progrConfigElement.PseudoSurroundEnable ); 9066ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi } 9076ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi } 9086ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi #endif 9092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig = asc->m_channelConfiguration; 9112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ascChannels > (6)) { 9132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 9142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.aot != asc->m_aot) { 9162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot = asc->m_aot; 9172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 9182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.aacSamplesPerFrame != (INT)asc->m_samplesPerFrame) { 9212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame = asc->m_samplesPerFrame; 9222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 9232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.bitRate = 0; 9262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set syntax flags */ 9282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags = 0; 9292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extAot = asc->m_extensionAudioObjectType; 9312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extSamplingRate = asc->m_extensionSamplingFrequency; 9322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_sbrPresentFlag) ? AC_SBR_PRESENT : 0; 9332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_psPresentFlag) ? AC_PS_PRESENT : 0; 9342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 0; 9352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* --------- vcb11 ------------ */ 9372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_vcb11Flag) ? AC_ER_VCB11 : 0; 9382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ---------- rvlc ------------ */ 9402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_rvlcFlag) ? AC_ER_RVLC : 0; 9412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ----------- hcr ------------ */ 9432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_hcrFlag) ? AC_ER_HCR : 0; 9442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_aot == AOT_ER_AAC_ELD) { 9462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= AC_ELD; 9472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_sc.m_eldSpecificConfig.m_sbrCrcFlag) ? AC_SBRCRC : 0; 9482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign) ? AC_LD_MPS : 0; 9492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_aot == AOT_ER_AAC_LD) ? AC_LD : 0; 9512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_epConfig >= 0) ? AC_ER : 0; 9522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_sbrPresentFlag) { 9552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 1; 9562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabledPrev = 1; 9572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_psPresentFlag) { 9592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= AC_PS_PRESENT; 9602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (asc->m_epConfig >= 0) 9632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (asc->m_channelConfiguration <= 0) ) { 9642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* we have to know the number of channels otherwise no decoding is possible */ 9652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_ER_FORMAT; 9662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.epConfig = asc->m_epConfig; 9692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* self->hInput->asc.m_epConfig = asc->m_epConfig; */ 9702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_epConfig > 1) 9722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_ER_FORMAT; 9732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if samplerate changed. */ 9752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.aacSampleRate != (INT)asc->m_samplingFrequency) { 9762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error; 9772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 9792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update samplerate info. */ 9812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = getSamplingRateInfo(&self->samplingRateInfo, asc->m_samplesPerFrame, asc->m_samplingFrequencyIndex, asc->m_samplingFrequency); 9822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error != AAC_DEC_OK) { 9832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 9842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSampleRate = self->samplingRateInfo.samplingRate; 9862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if amount of channels has changed. */ 9892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->ascChannels != ascChannels) 9902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 9922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Allocate all memory structures for each channel */ 9942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch = 0; ch < ascChannels; ch++) { 9962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderDynamicData *aacDecoderDynamicData = &self->aacCommonData.workBufferCore1->pAacDecoderDynamicData[ch%2]; 9972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize pointer to CAacDecoderChannelInfo */ 9992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderChannelInfo[ch] == NULL) { 10002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch] = GetAacDecoderChannelInfo(ch); 10012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* This is temporary until the DynamicData is split into two or more regions! 10022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The memory could be reused after completed core decoding. */ 10032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderChannelInfo[ch] == NULL) { 10042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Hook shared work memory into channel data structure */ 10072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->pDynData = aacDecoderDynamicData; 10082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->pComData = &self->aacCommonData; 10092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Allocate persistent channel memory */ 10122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch] == NULL) { 10132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[ch] = GetAacDecoderStaticChannelInfo(ch); 10142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch] == NULL) { 10152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer = GetOverlapBuffer(ch); /* This area size depends on the AOT */ 10182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer == NULL) { 10192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->pSpectralCoefficient = (SPECTRAL_PTR) &self->aacCommonData.workBufferCore2[ch*1024]; 10222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_InitPns(&self->pAacDecoderChannelInfo[ch]->data.aac.PnsData, &self->aacCommonData.pnsInterChannelData, &self->aacCommonData.pnsCurrentSeed, self->aacCommonData.pnsRandomSeed); 10252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (ascChannels > self->aacChannels) 10285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 10295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Make allocated channel count persistent in decoder context. */ 10305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->aacChannels = ascChannels; 10315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 10322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HcrInitRom(&self->aacCommonData.overlay.aac.erHcrInfo); 10342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project setHcrType(&self->aacCommonData.overlay.aac.erHcrInfo, ID_SCE); 10352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Make amount of signalled channels persistent in decoder context. */ 10382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->ascChannels = ascChannels; 10392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update structures */ 10422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ascChanged) { 10432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Things to be done for each channel, which do not involve allocating memory. 10455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi Doing these things only on the channels needed for the current configuration 10465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi (ascChannels) could lead to memory access violation later (error concealment). */ 10475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi for (ch = 0; ch < self->aacChannels; ch++) { 10482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (self->streamInfo.aot) { 10492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_ELD: 10502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_LD: 10512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->granuleLength = self->streamInfo.aacSamplesPerFrame; 10522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 10532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 10542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->granuleLength = self->streamInfo.aacSamplesPerFrame / 8; 10552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 10562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project mdct_init( &self->pAacDecoderStaticChannelInfo[ch]->IMdct, 10582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer, 10592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project OverlapBufferSize ); 10602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset DRC control data for this channel */ 10632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcInitChannelData ( &self->pAacDecoderStaticChannelInfo[ch]->drcData ); 10642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset concealment only if ASC changed. Otherwise it will be done with any config callback. 10662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project E.g. every time the LATM SMC is present. */ 10672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_InitChannelData(&self->pAacDecoderStaticChannelInfo[ch]->concealmentInfo, 10682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->concealCommonData, 10692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame ); 10702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update externally visible copy of flags */ 10742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.flags = self->flags; 10752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 10772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 10792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_Close( self ); 10802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_OUT_OF_MEMORY; 10812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 10822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10842228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_DecodeFrame( 10852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_AACDECODER self, 10862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT flags, 10872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT_PCM *pTimeData, 10882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT timeDataSize, 10892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT interleaved 10902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 10912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 10922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR ErrorStatus = AAC_DEC_OK; 10932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig *pce; 10952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs = transportDec_GetBitstream(self->hInput, 0); 10962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MP4_ELEMENT_ID type = ID_NONE; /* Current element type */ 10982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT aacChannels=0; /* Channel counter for channels found in the bitstream */ 10992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT auStartAnchor = (INT)FDKgetValidBits(bs); /* AU start bit buffer position for AU byte alignment */ 11012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 1; 11032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Any supported base layer valid AU will require more than 16 bits. */ 11052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (transportDec_GetAuBitsRemaining(self->hInput, 0) < 15) && (flags & (AACDEC_CONCEAL|AACDEC_FLUSH)) == 0) { 11062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 11072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 11082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset Program Config structure */ 11122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce = &self->pce; 11132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Reset(pce); 11142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataReset(&self->ancData); 11162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 11182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 11192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.channelConfig == 0) { 11212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init Channel/Element mapping table */ 11222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch=0; ch<(6); ch++) { 11232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping[ch] = 255; 11242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!CProgramConfig_IsValid(pce)) { 11262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el; 11272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (el=0; el<7; el++) { 11282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[el] = ID_NONE; 11292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check sampling frequency */ 11352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch ( self->streamInfo.aacSampleRate ) { 11362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 16000: 11372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 12000: 11382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 11025: 11392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 8000: 11402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 7350: 11412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 48000: 11422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 44100: 11432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 32000: 11442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 24000: 11452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 22050: 11462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 11482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ! (self->flags & (AC_USAC|AC_RSVD50)) ) { 11492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_SAMPLINGRATE; 11502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( flags & AACDEC_CLRHIST ) 11562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 11572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 11582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Clear history */ 11592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch = 0; ch < self->aacChannels; ch++) { 11602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset concealment */ 11612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_InitChannelData(&self->pAacDecoderStaticChannelInfo[ch]->concealmentInfo, 11622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->concealCommonData, 11632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame ); 11642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Clear concealment buffers to get rid of the complete history */ 11652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(self->pAacDecoderStaticChannelInfo[ch]->concealmentInfo.spectralCoefficient, 1024 * sizeof(FIXP_CNCL)); 11662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(self->pAacDecoderStaticChannelInfo[ch]->concealmentInfo.specScale, 8 * sizeof(SHORT)); 11672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Clear overlap-add buffers to avoid clicks. */ 11682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(self->pAacDecoderStaticChannelInfo[ch]->IMdct.overlap.freq, OverlapBufferSize*sizeof(FIXP_DBL)); 11692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 11752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int pceRead = 0; /* Flag indicating a PCE in the current raw_data_block() */ 11762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 11772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT hdaacDecoded = 0; 11802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MP4_ELEMENT_ID previous_element = ID_END; /* Last element ID (required for extension payload mapping */ 11812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR previous_element_index = 0; /* Canonical index of last element */ 11822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int element_count = 0; /* Element counter for elements found in the bitstream */ 11832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el_cnt[ID_LAST] = { 0 }; /* element counter ( robustness ) */ 11842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while ( (type != ID_END) && (! (flags & (AACDEC_CONCEAL | AACDEC_FLUSH))) && self->frameOK ) 11862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 11872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el_channels; 11882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (! (self->flags & (AC_USAC|AC_RSVD50|AC_ELD|AC_SCALABLE|AC_ER))) 11902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type = (MP4_ELEMENT_ID) FDKreadBits(bs,3); 11912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 11922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type = self->elements[element_count]; 11932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project setHcrType(&self->aacCommonData.overlay.aac.erHcrInfo, type); 11952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ((INT)FDKgetValidBits(bs) < 0) 11982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 11992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (type) 12012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_SCE: 12032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_CPE: 12042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_LFE: 12052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 12062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Consistency check 12072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 12082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (type == ID_CPE) { 12102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels = 2; 12112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 12122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels = 1; 12132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (el_cnt[type] >= (self->ascChannels>>(el_channels-1))) || (aacChannels > (self->ascChannels-el_channels)) ) { 12162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 12172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 12182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(self->flags & (AC_USAC|AC_RSVD50)) ) { 12222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 12232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch=0; ch < el_channels; ch+=1) { 12242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_ResetData(&self->pAacDecoderChannelInfo[aacChannels+ch]->data.aac.PnsData, 12252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderChannelInfo[aacChannels+ch]->pComData->pnsInterChannelData); 12262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if(self->frameOK) { 12302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CChannelElement_Read( bs, 12312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderChannelInfo[aacChannels], 12322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderStaticChannelInfo[aacChannels], 12332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 12342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 12352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags, 12362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 12372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels, 12382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.epConfig, 12392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput 12402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 12412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus) { 12422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 12432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->frameOK) { 12482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Lookup the element and decode it only if it belongs to the current program */ 12492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( CProgramConfig_LookupElement( 12502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 12512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 12522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[aacChannels]->ElementInstanceTag, 12532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels, 12542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 12552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType, 12562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices, 12572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &previous_element_index, 12582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements, 12592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type) ) 12602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !hdaacDecoded ) { 12622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CChannelElement_Decode( 12632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderChannelInfo[aacChannels], 12642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderStaticChannelInfo[aacChannels], 12652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 12662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags, 12672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels 12682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 12692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels += 1; 12712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (type == ID_CPE) { 12722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels += 1; 12732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 12762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 12772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12785016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Create SBR element for SBR for upsampling for LFE elements, 12795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi and if SBR was explicitly signaled, because the first frame(s) 12805016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi may not contain SBR payload (broken encoder, bit errors). */ 12815016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( (self->flags & AC_SBR_PRESENT) || (self->sbrEnabled == 1) ) 12822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SBR_ERROR sbrError; 12842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrError = sbrDecoder_InitElement( 12862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 12872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSampleRate, 12882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extSamplingRate, 12892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 12902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 12915016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi type, 12922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element_index 12932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 12942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError != SBRDEC_OK) { 12952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not try to apply SBR because initializing the element failed. */ 12962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 0; 12972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_cnt[type]++; 13022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_CCE: 13052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 13062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Consistency check 13072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 13082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( el_cnt[type] > self->ascChannels ) { 13092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 13102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->frameOK) 13152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* memory for spectral lines temporal on scratch */ 13172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_START(mdctSpec, FIXP_DBL, 1024); 13182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* create dummy channel for CCE parsing on stack */ 13202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderChannelInfo tmpAacDecoderChannelInfo, *pTmpAacDecoderChannelInfo; 13212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(mdctSpec, 1024*sizeof(FIXP_DBL)); 13232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.pDynData = self->aacCommonData.workBufferCore1->pAacDecoderDynamicData; 13252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.pComData = &self->aacCommonData; 13262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.pSpectralCoefficient = (SPECTRAL_PTR)mdctSpec; 13272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Assume AAC-LC */ 13282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.granuleLength = self->streamInfo.aacSamplesPerFrame / 8; 13292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset PNS data. */ 13312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_ResetData(&tmpAacDecoderChannelInfo.data.aac.PnsData, &tmpAacDecoderChannelInfo.pComData->pnsInterChannelData); 13322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTmpAacDecoderChannelInfo = &tmpAacDecoderChannelInfo; 13342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* do CCE parsing */ 13352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CChannelElement_Read( bs, 13362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pTmpAacDecoderChannelInfo, 13372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project NULL, 13382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 13392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 13402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags, 13412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 13422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1, 13432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.epConfig, 13442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput 13452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 13462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_END(mdctSpec, FIXP_DBL, 1024); 13482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus) { 13502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->frameOK) { 13542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Lookup the element and decode it only if it belongs to the current program */ 13552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (CProgramConfig_LookupElement( 13562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 13572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 13582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTmpAacDecoderChannelInfo->ElementInstanceTag, 13592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 13602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 13612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType, 13622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices, 13632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &previous_element_index, 13642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements, 13652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type) ) 13662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* decoding of CCE not supported */ 13682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 13702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_cnt[type]++; 13752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_DSE: 13782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR element_instance_tag; 13802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CDataStreamElement_Read( bs, 13822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->ancData, 13832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 13842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput, 13852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &element_instance_tag, 13862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project auStartAnchor ); 13872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!CProgramConfig_LookupElement( 13892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 13902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 13912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project element_instance_tag, 13922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 13932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 13942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType, 13952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices, 13962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &previous_element_index, 13972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements, 13982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type) ) 13992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* most likely an error in bitstream occured */ 14012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project //self->frameOK = 0; 14022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *pDvbAncData = NULL; 14072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR ancErr; 14082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ancIndex; 14092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int dvbAncDataSize = 0; 14102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Ask how many anc data elements are in buffer */ 14122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancIndex = self->ancData.nrElements - 1; 14132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Get the last one (if available) */ 14142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancErr = CAacDecoder_AncDataGet( &self->ancData, 14152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancIndex, 14162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pDvbAncData, 14172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &dvbAncDataSize ); 14182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ancErr == AAC_DEC_OK) { 14202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pcmDmx_ReadDvbAncData ( 14212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hPcmUtils, 14222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pDvbAncData, 14232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dvbAncDataSize, 14242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0 /* not mpeg2 */ ); 14252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 14302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_PCE: 14315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 14325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int result = CProgramConfigElement_Read( 14335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi bs, 14342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput, 14352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 14362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 14375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi auStartAnchor ); 14385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( result < 0 ) { 14395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Something went wrong */ 14405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ErrorStatus = AAC_DEC_PARSE_ERROR; 14412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 14422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi else if ( result > 1 ) { 14445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Built element table */ 14455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int elIdx = CProgramConfig_GetElementTable(pce, self->elements, 7); 14465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Reset the remaining tabs */ 14475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi for ( ; elIdx<7; elIdx++) { 14485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->elements[elIdx] = ID_NONE; 14495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 14505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Make new number of channel persistant */ 14515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->ascChannels = pce->NumChannels; 14525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* If PCE is not first element conceal this frame to avoid inconsistencies */ 14535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( element_count != 0 ) { 14545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->frameOK = 0; 14555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 14565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 14575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceRead = (result>=0) ? 1 : 0; 14582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* TP_PCE_ENABLE */ 14612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_FIL: 14632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bitCnt = FDKreadBits(bs,4); /* bs_count */ 14652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (bitCnt == 15) 14672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int esc_count = FDKreadBits(bs,8); /* bs_esc_count */ 14692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt = esc_count + 14; 14702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Convert to bits */ 14732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt <<= 3; 14742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while (bitCnt > 0) { 14762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CAacDecoder_ExtPayloadParse(self, bs, &bitCnt, previous_element, previous_element_index, 1); 14772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_DEC_OK) { 14782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 14792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_EXT: 14862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitCnt = 0; 14882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* get the remaining bits of this frame */ 14902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt = transportDec_GetAuBitsRemaining(self->hInput, 0); 14912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (bitCnt > 0) && (self->flags & AC_SBR_PRESENT) && (self->flags & (AC_USAC|AC_RSVD50|AC_ELD)) ) 14932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SBR_ERROR err = SBRDEC_OK; 14952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int elIdx, numChElements = el_cnt[ID_SCE] + el_cnt[ID_CPE]; 14962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (elIdx = 0; elIdx < numChElements; elIdx += 1) 14982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = sbrDecoder_Parse ( 15002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 15012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bs, 15022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &bitCnt, 15032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project -1, 15042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags & AC_SBRCRC, 15052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[elIdx], 15062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIdx, 15072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags & AC_INDEP ); 15082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err != SBRDEC_OK) { 15102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == SBRDEC_OK) { 15142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 1; 15152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 15162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ! (self->flags & (AC_USAC|AC_RSVD50|AC_DRM)) ) 15222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while ( bitCnt > 7 ) { 15242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CAacDecoder_ExtPayloadParse(self, bs, &bitCnt, previous_element, previous_element_index, 0); 15252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_DEC_OK) { 15262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_PARSE_ERROR; 15282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_END: 15362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 15392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 15402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element = type; 15452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project element_count++; 15462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* while ( (type != ID_END) ... ) */ 15482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(flags & (AACDEC_CONCEAL|AACDEC_FLUSH)) ) 15502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Byte alignment with respect to the first bit of the raw_data_block(). */ 15522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKbyteAlign(bs, auStartAnchor); 15542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if all bits of the raw_data_block() have been read. */ 15572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( transportDec_GetAuBitsTotal(self->hInput, 0) > 0 ) { 15582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT unreadBits = transportDec_GetAuBitsRemaining(self->hInput, 0); 15592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( unreadBits != 0 ) { 15602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK && self->frameOK == 0) { 15642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_PARSE_ERROR; 15652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Always put the bitbuffer at the right position after the current Access Unit. */ 15672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(bs, unreadBits); 15682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check the last element. The terminator (ID_END) has to be the last one (even if ER syntax is used). */ 15722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->frameOK && type != ID_END ) { 15732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK) { 15752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_PARSE_ERROR; 15762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* More AAC channels than specified by the ASC not allowed. */ 15822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (aacChannels == 0 || aacChannels > self->aacChannels) && !(flags & (AACDEC_CONCEAL|AACDEC_FLUSH)) ) { 15832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK) { 15862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 15872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels = 0; 15912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else if ( aacChannels > self->ascChannels ) { 15932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK) { 15952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_UNSUPPORTED_FORMAT; 15962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels = 0; 15992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( TRANSPORTDEC_OK != transportDec_CrcCheck(self->hInput) ) 16022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 16032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK=0; 16042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* store or restore the number of channels */ 16072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->frameOK && !(flags &(AACDEC_CONCEAL|AACDEC_FLUSH)) ) { 16082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->concealChannels = aacChannels; /* store */ 16092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabledPrev = self->sbrEnabled; 16102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 16112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->aacChannels > 0) { 16122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels = self->concealChannels; /* restore */ 16132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = self->sbrEnabledPrev; 16142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update number of output channels */ 16182ddc922da87bb675b8ab8c305566436e806df0d9Jean-Michel Trivi self->streamInfo.aacNumChannels = aacChannels; 16192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #ifdef TP_PCE_ENABLE 16216ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi if (pceRead == 1 && CProgramConfig_IsValid(pce)) { 16222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set matrix mixdown infos if available from PCE. */ 16232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pcmDmx_SetMatrixMixdownFromPce ( self->hPcmUtils, 16242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce->MatrixMixdownIndexPresent, 16252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce->MatrixMixdownIndex, 16262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce->PseudoSurroundEnable ); 16272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #endif 16292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* If there is no valid data to transfrom into time domain, return. */ 16312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ! IS_OUTPUT_VALID(ErrorStatus) ) { 16322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 16332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 16362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Inverse transform 16372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 16382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 16392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int stride, offset, c; 16402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Extract DRC control data and map it to channels (without bitstream delay) */ 16422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcProlog ( 16432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 16442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bs, 16452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo, 16462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pce.ElementInstanceTag, 16472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 16482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels 16492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 16502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* "c" iterates in canonical MPEG channel order */ 16522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (c=0; c < aacChannels; c++) 16532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 16542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderChannelInfo *pAacDecoderChannelInfo; 16552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Select correct pAacDecoderChannelInfo for current channel */ 16572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->chMapping[c] >= aacChannels) { 16582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo = self->pAacDecoderChannelInfo[c]; 16592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 16602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo = self->pAacDecoderChannelInfo[self->chMapping[c]]; 16612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Setup offset and stride for time buffer traversal. */ 16642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (interleaved) { 16652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride = aacChannels; 16662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project offset = self->channelOutputMapping[aacChannels-1][c]; 16672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 16682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride = 1; 16692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project offset = self->channelOutputMapping[aacChannels-1][c] * self->streamInfo.aacSamplesPerFrame; 16702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 16742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Conceal defective spectral data 16752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 16762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_Apply(&self->pAacDecoderStaticChannelInfo[c]->concealmentInfo, 16772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 16782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[c], 16792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 16802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 16812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 16822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project (self->frameOK && !(flags&AACDEC_CONCEAL)), 16832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags 16842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 16852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & (AACDEC_INTR|AACDEC_CLRHIST)) { 16882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset DRC control data for this channel */ 16892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcInitChannelData ( &self->pAacDecoderStaticChannelInfo[c]->drcData ); 16902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* DRC processing */ 16922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcApply ( 16932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 16942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 16952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 16962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderStaticChannelInfo[c]->drcData, 16972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project c, 16982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 16992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled 17002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pAacDecoderChannelInfo->renderMode) 17032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 17042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACDEC_RENDER_IMDCT: 17052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_FrequencyToTime( 17062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[c], 17072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 17082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTimeData + offset, 17092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 17102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride, 17112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project (self->frameOK && !(flags&AACDEC_CONCEAL)), 17122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacCommonData.workBufferCore1->mdctOutTemp 17132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 17152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACDEC_RENDER_ELDFB: 17162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_FrequencyToTimeLowDelay( 17172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[c], 17182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 17192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTimeData + offset, 17202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 17212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride 17222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 17242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 17252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_UNKNOWN; 17262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 17272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( flags&AACDEC_FLUSH ) { 17296ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi FDKmemclear(pAacDecoderChannelInfo->pSpectralCoefficient, sizeof(FIXP_DBL)*self->streamInfo.aacSamplesPerFrame); 17302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(self->pAacDecoderStaticChannelInfo[c]->pOverlapBuffer, OverlapBufferSize*sizeof(FIXP_DBL)); 17312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Extract DRC control data and map it to channels (with bitstream delay) */ 17362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcEpilog ( 17372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 17382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bs, 17392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo, 17402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pce.ElementInstanceTag, 17412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 17422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels 17432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reorder channel type information tables. */ 17482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 17492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AUDIO_CHANNEL_TYPE types[(6)]; 17502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR idx[(6)]; 17512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int c; 17522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(sizeof(self->channelType) == sizeof(types)); 17542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(sizeof(self->channelIndices) == sizeof(idx)); 17552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(types, self->channelType, sizeof(types)); 17572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(idx, self->channelIndices, sizeof(idx)); 17582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (c=0; c<aacChannels; c++) { 17602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType[self->channelOutputMapping[aacChannels-1][c]] = types[c]; 17612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices[self->channelOutputMapping[aacChannels-1][c]] = idx[c]; 17622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->blockNumber++; 17662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 17682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 17692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 17712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief returns the streaminfo pointer 17722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function hands back a pointer to the streaminfo structure 17742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return pointer to the struct 17762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 17772228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP CStreamInfo* CAacDecoder_GetStreamInfo ( HANDLE_AACDECODER self ) 17782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 17792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!self) { 17802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 17812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return &self->streamInfo; 17832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 17842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1788