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 ( 34147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi HANDLE_AACDECODER self, 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *elementInstanceTag, 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT alignmentAnchor ) 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 34647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi HANDLE_TRANSPORTDEC pTp; 34747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi CAncData *ancData; 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 34947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi UINT dataStart, dseBits; 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int dataByteAlignFlag, count; 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 35247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi FDK_ASSERT(self != NULL); 35347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 35447c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi ancData = &self->ancData; 35547c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi pTp = self->hInput; 35647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcReg = transportDec_CrcStartReg(pTp, 0); 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Element Instance Tag */ 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *elementInstanceTag = FDKreadBits(bs,4); 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Data Byte Align Flag */ 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataByteAlignFlag = FDKreadBits(bs,1); 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project count = FDKreadBits(bs,8); 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (count == 255) { 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project count += FDKreadBits(bs,8); /* EscCount */ 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 36947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi dseBits = count*8; 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (dataByteAlignFlag) { 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKbyteAlign(bs, alignmentAnchor); 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataStart = FDKgetValidBits(bs); 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = CAacDecoder_AncDataParse(ancData, bs, count); 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_CrcEndReg(pTp, crcReg); 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Move to the beginning of the data junk */ 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(bs, dataStart-FDKgetValidBits(bs)); 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read Anc data if available */ 38547c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi aacDecoder_drcMarkPayload( self->hDrcInfo, bs, DVB_DRC_ANC_DATA ); 38647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi } 38747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 38847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi { 38947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi PCMDMX_ERROR dmxErr = PCMDMX_OK; 3902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 39147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi /* Move to the beginning of the data junk */ 39247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi FDKpushBack(bs, dataStart-FDKgetValidBits(bs)); 39347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 39447c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi /* Read DMX meta-data */ 39547c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi dmxErr = pcmDmx_Parse ( 39647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi self->hPcmUtils, 39747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi bs, 39847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi dseBits, 39947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 0 /* not mpeg2 */ ); 4002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 40147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 40247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi /* Move to the very end of the element. */ 40347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi FDKpushBiDirectional(bs, FDKgetValidBits(bs)-dataStart+dseBits); 4042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 4092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Read Program Config Element 4112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \bs Bitstream Handle 4135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \pTp Transport decoder handle for CRC handling 4145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \pce Pointer to PCE buffer 4155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \channelConfig Current channel configuration 4165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \alignAnchor Anchor for byte alignment 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi \return PCE status (-1: fail, 0: no new PCE, 1: PCE updated, 2: PCE updated need re-config). 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 4205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivistatic int CProgramConfigElement_Read ( 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs, 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC pTp, 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig *pce, 4245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi const UINT channelConfig, 4255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi const UINT alignAnchor ) 4262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int pceStatus = 0; 4282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcReg; 4292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read PCE to temporal buffer first */ 4312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_START(tmpPce, CProgramConfig, 1); 4325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Init(tmpPce); 4342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Reset(tmpPce); 4352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcReg = transportDec_CrcStartReg(pTp, 0); 4372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Read(tmpPce, bs, alignAnchor); 4392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_CrcEndReg(pTp, crcReg); 4412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( CProgramConfig_IsValid(tmpPce) 4432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (tmpPce->Profile == 1) ) 4445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( !pce->isValid && (channelConfig > 0) ) { 4465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Create a standard channel config PCE to compare with */ 4475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi CProgramConfig_GetDefault( pce, channelConfig ); 4485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pce->isValid) { 4515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Compare the new and the old PCE (tags ignored) */ 4525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi switch ( CProgramConfig_Compare( pce, tmpPce ) ) 4535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case 1: /* Channel configuration not changed. Just new metadata. */ 4555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKmemcpy(pce, tmpPce, sizeof(CProgramConfig)); /* Store the complete PCE */ 4565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceStatus = 1; /* New PCE but no change of config */ 4575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case 2: /* The number of channels are identical but not the config */ 4595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (channelConfig == 0) { 4605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKmemcpy(pce, tmpPce, sizeof(CProgramConfig)); /* Store the complete PCE */ 4615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceStatus = 2; /* Decoder needs re-configuration */ 4625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4645016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case -1: /* The channel configuration is completely different */ 4655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceStatus = -1; /* Not supported! */ 4665016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4675016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case 0: /* Nothing to do because PCE matches the old one exactly. */ 4685016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi default: 4695016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* pceStatus = 0; */ 4705016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4715016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4725016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_END(tmpPce, CProgramConfig, 1); 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4775016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi return pceStatus; 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi#endif /* TP_PCE_ENABLE */ 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Parse Extension Payload 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \self Handle of AAC decoder 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \count Pointer to bit counter. 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \previous_element ID of previous element (required by some extension payloads) 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return Error code 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR CAacDecoder_ExtPayloadParse (HANDLE_AACDECODER self, 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs, 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int *count, 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MP4_ELEMENT_ID previous_element, 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int elIndex, 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int fIsFillElement) 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project EXT_PAYLOAD_TYPE extension_type; 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bytes = (*count) >> 3; 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcFlag = 0; 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*count < 4) { 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_PARSE_ERROR; 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else if ((INT)FDKgetValidBits(hBs) < *count) { 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_DECODE_FRAME_ERROR; 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project extension_type = (EXT_PAYLOAD_TYPE) FDKreadBits(hBs, 4); /* bs_extension_type */ 5102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 4; 5112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (extension_type) 5132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_DYNAMIC_RANGE: 5152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT readBits = aacDecoder_drcMarkPayload( self->hDrcInfo, hBs, MPEG_DRC_EXT_DATA ); 5172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (readBits > *count) 5192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { /* Read too much. Something went wrong! */ 5202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= readBits; 5232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_SBR_DATA_CRC: 5282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcFlag = 1; 5292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_SBR_DATA: 5302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (IS_CHANNEL_ELEMENT(previous_element)) { 5312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SBR_ERROR sbrError; 5322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_SyncQmfMode(self); 5342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrError = sbrDecoder_InitElement( 5362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 5372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSampleRate, 5382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extSamplingRate, 5392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 5402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 5412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element, 5422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIndex 5432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 5442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError == SBRDEC_OK) { 5462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrError = sbrDecoder_Parse ( 5472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 5482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 5492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project count, 5502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count, 5512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcFlag, 5522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element, 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIndex, 5542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags & AC_INDEP ); 5552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Enable SBR for implicit SBR signalling. */ 5562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError == SBRDEC_OK) { 5572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 1; 5582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 5602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not try to apply SBR because initializing the element failed. */ 5612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 0; 5622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Citation from ISO/IEC 14496-3 chapter 4.5.2.1.5.2 5642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Fill elements containing an extension_payload() with an extension_type of EXT_SBR_DATA 5652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project or EXT_SBR_DATA_CRC shall not contain any other extension_payload of any other extension_type. 5662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 5672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (fIsFillElement) { 5682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, *count); 5692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = 0; 5702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 5712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* If this is not a fill element with a known length, we are screwed an no further parsing makes sense. */ 5722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError != SBRDEC_OK) { 5732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 5742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 5772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_FILL_DATA: 5822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int temp; 5842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project temp = FDKreadBits(hBs,4); 5862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bytes--; 5872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (temp != 0) { 5882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while (bytes > 0) { 5922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project temp = FDKreadBits(hBs,8); 5932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bytes--; 5942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (temp != 0xa5) { 5952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 5962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = bytes<<3; 6002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_DATA_ELEMENT: 6042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 6052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int dataElementVersion; 6062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataElementVersion = FDKreadBits(hBs,4); 6082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 4; 6092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (dataElementVersion == 0) /* ANC_DATA */ 6102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 6112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int temp, dataElementLength = 0; 6122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 6132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project temp = FDKreadBits(hBs,8); 6142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 8; 6152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dataElementLength += temp; 6162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while (temp == 255 ); 6172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataParse(&self->ancData, hBs, dataElementLength); 6192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= (dataElementLength<<3); 6202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 6212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* align = 0 */ 6222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 6232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 6242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_DATA_LENGTH: 6292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !fIsFillElement /* Makes no sens to have an additional length in a fill ... */ 6302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (self->flags & AC_ER) ) /* ... element because this extension payload type was ... */ 6312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { /* ... created to circumvent the missing length in ER-Syntax. */ 6322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bitCnt, len = FDKreadBits(hBs, 4); 6332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 4; 6345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (len == 15) { 6362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int add_len = FDKreadBits(hBs, 8); 6372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 8; 6382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project len += add_len; 6392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (add_len == 255) { 6412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project len += FDKreadBits(hBs, 16); 6422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= 16; 6432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project len <<= 3; 6462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt = len; 6472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (EXT_PAYLOAD_TYPE)FDKreadBits(hBs, 4) == EXT_DATA_LENGTH ) { 6492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check NOTE 2: The extension_payload() included here must 6502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project not have extension_type == EXT_DATA_LENGTH. */ 6512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 6525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* rewind and call myself again. */ 6542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, 4); 6552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = 6572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_ExtPayloadParse ( 6582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self, 6592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 6602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &bitCnt, 6612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element, 6622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIndex, 6635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 0 ); 6642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count -= len - bitCnt; 6662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Note: the fall through in case the if statement above is not taken is intentional. */ 6682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case EXT_FIL: 6722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 6742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* align = 4 */ 6752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushFor(hBs, *count); 6762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = 0; 6772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 6812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (error != AAC_DEC_OK) 6822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && fIsFillElement ) 6832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { /* Skip the remaining extension bytes */ 6842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, *count); 6852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *count = 0; 6862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Patch error code because decoding can go on. */ 6872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_OK; 6882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Be sure that parsing errors have been stored. */ 6892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 6912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Stream Configuration and Information. 6942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project This class holds configuration and information data for a stream to be decoded. It 6962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project provides the calling application as well as the decoder with substantial information, 6972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project e.g. profile, sampling rate, number of channels found in the bitstream etc. 6982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 6992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 7002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CStreamInfoInit(CStreamInfo *pStreamInfo) 7012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 7022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->aacSampleRate = 0; 7032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->profile = -1; 7042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->aot = AOT_NONE; 7052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->channelConfig = -1; 7072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->bitRate = 0; 7082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->aacSamplesPerFrame = 0; 7092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->extAot = AOT_NONE; 7112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->extSamplingRate = 0; 7122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->flags = 0; 7142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->epConfig = -1; /* default is no ER */ 7162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->numChannels = 0; 7182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->sampleRate = 0; 7192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pStreamInfo->frameSize = 0; 720af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi 721af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi pStreamInfo->outputDelay = 0; 7228e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi 7238e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi /* DRC */ 7248e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi pStreamInfo->drcProgRefLev = -1; /* set program reference level to not indicated */ 7258e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi pStreamInfo->drcPresMode = -1; /* default: presentation mode not indicated */ 7262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 7272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 7292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Initialization of AacDecoderChannelInfo 7302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function initializes the pointers to AacDecoderChannelInfo for each channel, 7322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project set the start values for window shape and window sequence of overlap&add to zero, 7332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project set the overlap buffer to zero and initializes the pointers to the window coefficients. 7342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \param bsFormat is the format of the AAC bitstream 7352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return AACDECODER instance 7372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 7382228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP HANDLE_AACDECODER CAacDecoder_Open(TRANSPORT_TYPE bsFormat) /*!< bitstream format (adif,adts,loas,...). */ 7392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 7402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_AACDECODER self; 7412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self = GetAacDecoder(); 7432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self == NULL) { 7442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Assign channel mapping info arrays (doing so removes dependency of settings header in API header). */ 7482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.pChannelIndices = self->channelIndices; 7492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.pChannelType = self->channelType; 7502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set default output mode */ 7522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->outputInterleaved = 1; /* interleaved */ 7532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize anc data */ 7552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataInit(&self->ancData, NULL, 0); 7562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize stream info */ 7582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CStreamInfoInit(&self->streamInfo); 7592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize error concealment common data */ 7612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_InitCommonData(&self->concealCommonData); 7622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo = GetDrcInfo(); 7642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->hDrcInfo == NULL) { 7652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init common DRC structure */ 7682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcInit( self->hDrcInfo ); 7692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set default frame delay */ 7702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcSetParam ( 7712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 7722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project DRC_BS_DELAY, 7732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_GetDelay(&self->concealCommonData) 7742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 7752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacCommonData.workBufferCore1 = GetWorkBufferCore1(); 7782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacCommonData.workBufferCore2 = GetWorkBufferCore2(); 7792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->aacCommonData.workBufferCore1 == NULL 7802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ||self->aacCommonData.workBufferCore2 == NULL ) 7812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return self; 7842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 7862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_Close( self ); 7872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 7892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 7902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Destroy aac decoder */ 7922228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP void CAacDecoder_Close(HANDLE_AACDECODER self) 7932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 7942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 7952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self == NULL) 7972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return; 7982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 79947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for (ch=0; ch<(8); ch++) { 8002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch] != NULL) { 8015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer != NULL) { 8025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeOverlapBuffer (&self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer); 8035016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->pAacDecoderStaticChannelInfo[ch] != NULL) { 8055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeAacDecoderStaticChannelInfo (&self->pAacDecoderStaticChannelInfo[ch]); 8065016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderChannelInfo[ch] != NULL) { 8092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeAacDecoderChannelInfo (&self->pAacDecoderChannelInfo[ch]); 8102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacChannels = 0; 8142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->hDrcInfo) { 8162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeDrcInfo(&self->hDrcInfo); 8172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->aacCommonData.workBufferCore1 != NULL) { 8205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeWorkBufferCore1 (&self->aacCommonData.workBufferCore1); 8215016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8225016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (self->aacCommonData.workBufferCore2 != NULL) { 8235016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FreeWorkBufferCore2 (&self->aacCommonData.workBufferCore2); 8245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeAacDecoder ( &self); 8272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 8282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 8312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Initialization of decoder instance 8322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function initializes the decoder. 8342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return error status: 0 for success, <>0 for unsupported configurations 8362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 8372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc) 8382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 8392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR err = AAC_DEC_OK; 8402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT ascChannels, ch, ascChanged = 0; 8412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!self) 8432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_INVALID_HANDLE; 8442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project // set profile and check for supported aot 8462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project // leave profile on default (=-1) for all other supported MPEG-4 aot's except aot=2 (=AAC-LC) 8472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (asc->m_aot) { 8482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_AAC_LC: 8492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.profile = 1; 8502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_SBR: 8532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_PS: 8542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_LD: 8552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_ELD: 8562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 8592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_AOT; 8602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Init(&self->pce); 8632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set channels */ 8652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (asc->m_channelConfiguration) { 8662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 0: 8672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 8682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* get channels from program config (ASC) */ 8692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (CProgramConfig_IsValid(&asc->m_progrConfigElement)) { 8702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = asc->m_progrConfigElement.NumChannels; 8712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ascChannels > 0) { 8722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el; 8732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* valid number of channels -> copy program config element (PCE) from ASC */ 8742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(&self->pce, &asc->m_progrConfigElement, sizeof(CProgramConfig)); 8752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Built element table */ 87647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi el = CProgramConfig_GetElementTable(&asc->m_progrConfigElement, self->elements, (8), &self->chMapIndex); 87747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for (; el<(8); el++) { 8782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[el] = ID_NONE; 8792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 88447c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi self->chMapIndex = 0; 8852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (transportDec_GetFormat(self->hInput) == TT_MP4_ADTS) { 8862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set default max_channels for memory allocation because in implicit channel mapping mode 8872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project we don't know the actual number of channels until we processed at least one raw_data_block(). */ 88847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi ascChannels = (8); 8892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#else /* TP_PCE_ENABLE */ 8942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 8952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* TP_PCE_ENABLE */ 8962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 1: case 2: case 3: case 4: case 5: case 6: 8982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = asc->m_channelConfiguration; 8992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 90047c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi case 11: 90147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi ascChannels = 7; 90247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi break; 90347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi case 7: case 12: case 14: 9042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChannels = 8; 9052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 9062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 9072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 9082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 91047c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi if (ascChannels > (8)) { 91147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi return AAC_DEC_UNSUPPORTED_CHANNELCONFIG; 91247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi } 91347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 9142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Initialize constant mappings for channel config 1-7 */ 9152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_channelConfiguration > 0) { 9162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el; 91747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi FDKmemcpy(self->elements, elementsTab[asc->m_channelConfiguration-1], sizeof(MP4_ELEMENT_ID)*FDKmin(7,(8))); 91847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for (el=7; el<(8); el++) { 9192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[el] = ID_NONE; 9202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch=0; ch<ascChannels; ch++) { 9222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping[ch] = ch; 9232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 92447c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for (; ch<(8); ch++) { 9252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping[ch] = 255; 9262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 92747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi self->chMapIndex = asc->m_channelConfiguration; 9282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9296ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi #ifdef TP_PCE_ENABLE 9306ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi else { 9316ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi if (CProgramConfig_IsValid(&asc->m_progrConfigElement)) { 9326ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi /* Set matrix mixdown infos if available from PCE. */ 9336ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi pcmDmx_SetMatrixMixdownFromPce ( self->hPcmUtils, 9346ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi asc->m_progrConfigElement.MatrixMixdownIndexPresent, 9356ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi asc->m_progrConfigElement.MatrixMixdownIndex, 9366ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi asc->m_progrConfigElement.PseudoSurroundEnable ); 9376ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi } 9386ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi } 9396ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi #endif 9402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig = asc->m_channelConfiguration; 9422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.aot != asc->m_aot) { 9442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot = asc->m_aot; 9452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 9462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.aacSamplesPerFrame != (INT)asc->m_samplesPerFrame) { 9492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame = asc->m_samplesPerFrame; 9502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 9512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.bitRate = 0; 9542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set syntax flags */ 9562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags = 0; 9572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extAot = asc->m_extensionAudioObjectType; 9592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extSamplingRate = asc->m_extensionSamplingFrequency; 9602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_sbrPresentFlag) ? AC_SBR_PRESENT : 0; 9612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_psPresentFlag) ? AC_PS_PRESENT : 0; 9622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 0; 9632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* --------- vcb11 ------------ */ 9652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_vcb11Flag) ? AC_ER_VCB11 : 0; 9662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ---------- rvlc ------------ */ 9682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_rvlcFlag) ? AC_ER_RVLC : 0; 9692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ----------- hcr ------------ */ 9712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_hcrFlag) ? AC_ER_HCR : 0; 9722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_aot == AOT_ER_AAC_ELD) { 9742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= AC_ELD; 9752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_sc.m_eldSpecificConfig.m_sbrCrcFlag) ? AC_SBRCRC : 0; 9762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign) ? AC_LD_MPS : 0; 9772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_aot == AOT_ER_AAC_LD) ? AC_LD : 0; 9792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= (asc->m_epConfig >= 0) ? AC_ER : 0; 9802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_sbrPresentFlag) { 9832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 1; 9842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabledPrev = 1; 9852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_psPresentFlag) { 9872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags |= AC_PS_PRESENT; 9882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (asc->m_epConfig >= 0) 9912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (asc->m_channelConfiguration <= 0) ) { 9922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* we have to know the number of channels otherwise no decoding is possible */ 9932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_ER_FORMAT; 9942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.epConfig = asc->m_epConfig; 9972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* self->hInput->asc.m_epConfig = asc->m_epConfig; */ 9982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (asc->m_epConfig > 1) 10002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_ER_FORMAT; 10012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if samplerate changed. */ 10032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.aacSampleRate != (INT)asc->m_samplingFrequency) { 10042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error; 10052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 10072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update samplerate info. */ 10092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = getSamplingRateInfo(&self->samplingRateInfo, asc->m_samplesPerFrame, asc->m_samplingFrequencyIndex, asc->m_samplingFrequency); 10102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error != AAC_DEC_OK) { 10112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 10122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSampleRate = self->samplingRateInfo.samplingRate; 10142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if amount of channels has changed. */ 10172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->ascChannels != ascChannels) 10182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ascChanged = 1; 10202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Allocate all memory structures for each channel */ 10222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch = 0; ch < ascChannels; ch++) { 10242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderDynamicData *aacDecoderDynamicData = &self->aacCommonData.workBufferCore1->pAacDecoderDynamicData[ch%2]; 10252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialize pointer to CAacDecoderChannelInfo */ 10272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderChannelInfo[ch] == NULL) { 10282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch] = GetAacDecoderChannelInfo(ch); 10292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* This is temporary until the DynamicData is split into two or more regions! 10302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The memory could be reused after completed core decoding. */ 10312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderChannelInfo[ch] == NULL) { 10322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Hook shared work memory into channel data structure */ 10352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->pDynData = aacDecoderDynamicData; 10362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->pComData = &self->aacCommonData; 10372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Allocate persistent channel memory */ 10402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch] == NULL) { 10412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[ch] = GetAacDecoderStaticChannelInfo(ch); 10422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch] == NULL) { 10432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer = GetOverlapBuffer(ch); /* This area size depends on the AOT */ 10462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer == NULL) { 10472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->pSpectralCoefficient = (SPECTRAL_PTR) &self->aacCommonData.workBufferCore2[ch*1024]; 10502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_InitPns(&self->pAacDecoderChannelInfo[ch]->data.aac.PnsData, &self->aacCommonData.pnsInterChannelData, &self->aacCommonData.pnsCurrentSeed, self->aacCommonData.pnsRandomSeed); 10532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (ascChannels > self->aacChannels) 10565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 10575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Make allocated channel count persistent in decoder context. */ 10585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->aacChannels = ascChannels; 10595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 10602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HcrInitRom(&self->aacCommonData.overlay.aac.erHcrInfo); 10622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project setHcrType(&self->aacCommonData.overlay.aac.erHcrInfo, ID_SCE); 10632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Make amount of signalled channels persistent in decoder context. */ 10662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->ascChannels = ascChannels; 10672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update structures */ 10702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ascChanged) { 10712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10725016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Things to be done for each channel, which do not involve allocating memory. 10735016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi Doing these things only on the channels needed for the current configuration 10745016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi (ascChannels) could lead to memory access violation later (error concealment). */ 10755016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi for (ch = 0; ch < self->aacChannels; ch++) { 10762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (self->streamInfo.aot) { 10772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_ELD: 10782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_ER_AAC_LD: 10792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->granuleLength = self->streamInfo.aacSamplesPerFrame; 10802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 10812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 10822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[ch]->granuleLength = self->streamInfo.aacSamplesPerFrame / 8; 10832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 10842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project mdct_init( &self->pAacDecoderStaticChannelInfo[ch]->IMdct, 10862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer, 10872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project OverlapBufferSize ); 10882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset DRC control data for this channel */ 10912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcInitChannelData ( &self->pAacDecoderStaticChannelInfo[ch]->drcData ); 10922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset concealment only if ASC changed. Otherwise it will be done with any config callback. 10942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project E.g. every time the LATM SMC is present. */ 10952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_InitChannelData(&self->pAacDecoderStaticChannelInfo[ch]->concealmentInfo, 10962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->concealCommonData, 10972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame ); 10982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update externally visible copy of flags */ 11022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.flags = self->flags; 11032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 11052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 11072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_Close( self ); 11082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_OUT_OF_MEMORY; 11092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11122228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_DecodeFrame( 11132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_AACDECODER self, 11142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT flags, 11152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT_PCM *pTimeData, 11162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT timeDataSize, 11172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT interleaved 11182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 11192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR ErrorStatus = AAC_DEC_OK; 11212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig *pce; 11232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM bs = transportDec_GetBitstream(self->hInput, 0); 11242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MP4_ELEMENT_ID type = ID_NONE; /* Current element type */ 11262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT aacChannels=0; /* Channel counter for channels found in the bitstream */ 112747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi int chOutMapIdx; /* Output channel mapping index (see comment below) */ 11282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT auStartAnchor = (INT)FDKgetValidBits(bs); /* AU start bit buffer position for AU byte alignment */ 11302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 1; 11322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Any supported base layer valid AU will require more than 16 bits. */ 11342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (transportDec_GetAuBitsRemaining(self->hInput, 0) < 15) && (flags & (AACDEC_CONCEAL|AACDEC_FLUSH)) == 0) { 11352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 11362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 11372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset Program Config structure */ 11412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce = &self->pce; 11422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig_Reset(pce); 11432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoder_AncDataReset(&self->ancData); 11452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 11472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 11482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->streamInfo.channelConfig == 0) { 11502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init Channel/Element mapping table */ 115147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for (ch=0; ch<(8); ch++) { 11522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping[ch] = 255; 11532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!CProgramConfig_IsValid(pce)) { 11552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el; 115647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for (el=0; el<(8); el++) { 11572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[el] = ID_NONE; 11582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check sampling frequency */ 11642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch ( self->streamInfo.aacSampleRate ) { 11652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 16000: 11662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 12000: 11672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 11025: 11682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 8000: 11692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 7350: 11702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 48000: 11712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 44100: 11722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 32000: 11732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 24000: 11742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 22050: 11752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 11772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ! (self->flags & (AC_USAC|AC_RSVD50)) ) { 11782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_DEC_UNSUPPORTED_SAMPLINGRATE; 11792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( flags & AACDEC_CLRHIST ) 11852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 11862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 11872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Clear history */ 11882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch = 0; ch < self->aacChannels; ch++) { 11892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset concealment */ 11902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_InitChannelData(&self->pAacDecoderStaticChannelInfo[ch]->concealmentInfo, 11912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->concealCommonData, 11922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame ); 11932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Clear overlap-add buffers to avoid clicks. */ 1194af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKmemclear(self->pAacDecoderStaticChannelInfo[ch]->pOverlapBuffer, OverlapBufferSize*sizeof(FIXP_DBL)); 11952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 12012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int pceRead = 0; /* Flag indicating a PCE in the current raw_data_block() */ 12022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 12032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT hdaacDecoded = 0; 12062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MP4_ELEMENT_ID previous_element = ID_END; /* Last element ID (required for extension payload mapping */ 12072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR previous_element_index = 0; /* Canonical index of last element */ 12082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int element_count = 0; /* Element counter for elements found in the bitstream */ 12092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el_cnt[ID_LAST] = { 0 }; /* element counter ( robustness ) */ 12102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while ( (type != ID_END) && (! (flags & (AACDEC_CONCEAL | AACDEC_FLUSH))) && self->frameOK ) 12122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el_channels; 12142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (! (self->flags & (AC_USAC|AC_RSVD50|AC_ELD|AC_SCALABLE|AC_ER))) 12162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type = (MP4_ELEMENT_ID) FDKreadBits(bs,3); 12172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 12182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type = self->elements[element_count]; 12192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project setHcrType(&self->aacCommonData.overlay.aac.erHcrInfo, type); 12212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ((INT)FDKgetValidBits(bs) < 0) 12242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 12252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (type) 12272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_SCE: 12292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_CPE: 12302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_LFE: 12312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 12322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Consistency check 12332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 12342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (type == ID_CPE) { 12362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels = 2; 12372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 12382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels = 1; 12392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (el_cnt[type] >= (self->ascChannels>>(el_channels-1))) || (aacChannels > (self->ascChannels-el_channels)) ) { 12422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 12432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 12442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(self->flags & (AC_USAC|AC_RSVD50)) ) { 12482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 12492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch=0; ch < el_channels; ch+=1) { 12502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_ResetData(&self->pAacDecoderChannelInfo[aacChannels+ch]->data.aac.PnsData, 12512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderChannelInfo[aacChannels+ch]->pComData->pnsInterChannelData); 12522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if(self->frameOK) { 12562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CChannelElement_Read( bs, 12572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderChannelInfo[aacChannels], 12582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderStaticChannelInfo[aacChannels], 12592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 12602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 12612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags, 12622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 12632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels, 12642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.epConfig, 12652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput 12662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 12672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus) { 12682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 12692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->frameOK) { 12742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Lookup the element and decode it only if it belongs to the current program */ 12752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( CProgramConfig_LookupElement( 12762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 12772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 12782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderChannelInfo[aacChannels]->ElementInstanceTag, 12792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels, 12802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 12812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType, 12822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices, 12832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &previous_element_index, 12842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements, 12852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type) ) 12862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !hdaacDecoded ) { 12882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CChannelElement_Decode( 12892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderChannelInfo[aacChannels], 12902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderStaticChannelInfo[aacChannels], 12912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 12922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags, 12932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels 12942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 12952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels += 1; 12972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (type == ID_CPE) { 12982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels += 1; 12992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 13022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Create SBR element for SBR for upsampling for LFE elements, 13055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi and if SBR was explicitly signaled, because the first frame(s) 13065016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi may not contain SBR payload (broken encoder, bit errors). */ 13075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( (self->flags & AC_SBR_PRESENT) || (self->sbrEnabled == 1) ) 13082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SBR_ERROR sbrError; 13102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sbrError = sbrDecoder_InitElement( 13122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 13132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSampleRate, 13142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.extSamplingRate, 13152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 13162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 13175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi type, 13182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element_index 13192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 13202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (sbrError != SBRDEC_OK) { 13212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not try to apply SBR because initializing the element failed. */ 13222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 0; 13232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_cnt[type]++; 13282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_CCE: 13312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 13322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Consistency check 13332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 13342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( el_cnt[type] > self->ascChannels ) { 13352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 13362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->frameOK) 13412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* memory for spectral lines temporal on scratch */ 13432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_START(mdctSpec, FIXP_DBL, 1024); 13442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* create dummy channel for CCE parsing on stack */ 13462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderChannelInfo tmpAacDecoderChannelInfo, *pTmpAacDecoderChannelInfo; 13472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(mdctSpec, 1024*sizeof(FIXP_DBL)); 13492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.pDynData = self->aacCommonData.workBufferCore1->pAacDecoderDynamicData; 13512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.pComData = &self->aacCommonData; 13522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.pSpectralCoefficient = (SPECTRAL_PTR)mdctSpec; 13532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Assume AAC-LC */ 13542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tmpAacDecoderChannelInfo.granuleLength = self->streamInfo.aacSamplesPerFrame / 8; 13552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset PNS data. */ 13572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_ResetData(&tmpAacDecoderChannelInfo.data.aac.PnsData, &tmpAacDecoderChannelInfo.pComData->pnsInterChannelData); 13582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTmpAacDecoderChannelInfo = &tmpAacDecoderChannelInfo; 13602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* do CCE parsing */ 13612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CChannelElement_Read( bs, 13622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pTmpAacDecoderChannelInfo, 13632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project NULL, 13642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aot, 13652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 13662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags, 13672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 13682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1, 13692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.epConfig, 13702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput 13712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 13722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_END(mdctSpec, FIXP_DBL, 1024); 13742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus) { 13762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->frameOK) { 13802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Lookup the element and decode it only if it belongs to the current program */ 13812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (CProgramConfig_LookupElement( 13822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 13832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 13842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTmpAacDecoderChannelInfo->ElementInstanceTag, 13852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 13862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 13872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType, 13882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices, 13892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &previous_element_index, 13902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements, 13912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type) ) 13922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* decoding of CCE not supported */ 13942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 13962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 13972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_cnt[type]++; 14012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_DSE: 14042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR element_instance_tag; 14062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 140747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi CDataStreamElement_Read( self, 140847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi bs, 14092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &element_instance_tag, 14102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project auStartAnchor ); 14112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!CProgramConfig_LookupElement( 14132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 14142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 14152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project element_instance_tag, 14162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 14172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 14182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelType, 14192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->channelIndices, 14202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &previous_element_index, 14212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements, 14222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project type) ) 14232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* most likely an error in bitstream occured */ 14252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project //self->frameOK = 0; 14262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef TP_PCE_ENABLE 14312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_PCE: 14325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 14335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int result = CProgramConfigElement_Read( 14345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi bs, 14352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hInput, 14362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce, 14372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.channelConfig, 14385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi auStartAnchor ); 14395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( result < 0 ) { 14405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Something went wrong */ 14415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ErrorStatus = AAC_DEC_PARSE_ERROR; 14422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 14432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi else if ( result > 1 ) { 14455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Built element table */ 144647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi int elIdx = CProgramConfig_GetElementTable(pce, self->elements, (8), &self->chMapIndex); 14475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Reset the remaining tabs */ 144847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi for ( ; elIdx<(8); elIdx++) { 14495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->elements[elIdx] = ID_NONE; 14505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 14515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Make new number of channel persistant */ 14525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->ascChannels = pce->NumChannels; 14535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* If PCE is not first element conceal this frame to avoid inconsistencies */ 14545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( element_count != 0 ) { 14555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi self->frameOK = 0; 14565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 14575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 14585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi pceRead = (result>=0) ? 1 : 0; 14592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* TP_PCE_ENABLE */ 14622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_FIL: 14642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bitCnt = FDKreadBits(bs,4); /* bs_count */ 14662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (bitCnt == 15) 14682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int esc_count = FDKreadBits(bs,8); /* bs_esc_count */ 14702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt = esc_count + 14; 14712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Convert to bits */ 14742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt <<= 3; 14752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while (bitCnt > 0) { 14772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CAacDecoder_ExtPayloadParse(self, bs, &bitCnt, previous_element, previous_element_index, 1); 14782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_DEC_OK) { 14792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 14802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 14842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 14852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_EXT: 14872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitCnt = 0; 14892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* get the remaining bits of this frame */ 14912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitCnt = transportDec_GetAuBitsRemaining(self->hInput, 0); 14922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (bitCnt > 0) && (self->flags & AC_SBR_PRESENT) && (self->flags & (AC_USAC|AC_RSVD50|AC_ELD)) ) 14942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 14952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SBR_ERROR err = SBRDEC_OK; 14962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int elIdx, numChElements = el_cnt[ID_SCE] + el_cnt[ID_CPE]; 14972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 14982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (elIdx = 0; elIdx < numChElements; elIdx += 1) 14992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = sbrDecoder_Parse ( 15012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 15022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bs, 15032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &bitCnt, 15042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project -1, 15052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags & AC_SBRCRC, 15062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->elements[elIdx], 15072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project elIdx, 15082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags & AC_INDEP ); 15092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err != SBRDEC_OK) { 15112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1514af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi switch (err) { 1515af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi case SBRDEC_PARSE_ERROR: 1516af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi /* Can not go on parsing because we do not 1517af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi know the length of the SBR extension data. */ 1518af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKpushFor(bs, bitCnt); 1519af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi bitCnt = 0; 1520af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi break; 1521af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi case SBRDEC_OK: 15222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = 1; 1523af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi break; 1524af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi default: 15252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 1526af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi break; 15272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ! (self->flags & (AC_USAC|AC_RSVD50|AC_DRM)) ) 15322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while ( bitCnt > 7 ) { 15342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = CAacDecoder_ExtPayloadParse(self, bs, &bitCnt, previous_element, previous_element_index, 0); 15352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_DEC_OK) { 15362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_PARSE_ERROR; 15382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ID_END: 15462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 15492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 15502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 15522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project previous_element = type; 15552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project element_count++; 15562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* while ( (type != ID_END) ... ) */ 15582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(flags & (AACDEC_CONCEAL|AACDEC_FLUSH)) ) 15602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Byte alignment with respect to the first bit of the raw_data_block(). */ 15622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKbyteAlign(bs, auStartAnchor); 15642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if all bits of the raw_data_block() have been read. */ 15672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( transportDec_GetAuBitsTotal(self->hInput, 0) > 0 ) { 15682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT unreadBits = transportDec_GetAuBitsRemaining(self->hInput, 0); 15692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( unreadBits != 0 ) { 15702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK && self->frameOK == 0) { 15742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_PARSE_ERROR; 15752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Always put the bitbuffer at the right position after the current Access Unit. */ 15772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(bs, unreadBits); 15782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check the last element. The terminator (ID_END) has to be the last one (even if ER syntax is used). */ 15822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->frameOK && type != ID_END ) { 15832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK) { 15852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_PARSE_ERROR; 15862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* More AAC channels than specified by the ASC not allowed. */ 15922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (aacChannels == 0 || aacChannels > self->aacChannels) && !(flags & (AACDEC_CONCEAL|AACDEC_FLUSH)) ) { 15932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 15942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 15952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK) { 15962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_DECODE_FRAME_ERROR; 15972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 15982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 15992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels = 0; 16012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else if ( aacChannels > self->ascChannels ) { 16032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Do not overwrite current error */ 16042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus == AAC_DEC_OK) { 16052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_UNSUPPORTED_FORMAT; 16062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK = 0; 16082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels = 0; 16092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( TRANSPORTDEC_OK != transportDec_CrcCheck(self->hInput) ) 16122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 16132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->frameOK=0; 16142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1616af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi /* store or restore the number of channels and the corresponding info */ 16172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( self->frameOK && !(flags &(AACDEC_CONCEAL|AACDEC_FLUSH)) ) { 1618af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi self->aacChannelsPrev = aacChannels; /* store */ 1619af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKmemcpy(self->channelTypePrev, self->channelType, (8)*sizeof(AUDIO_CHANNEL_TYPE)); /* store */ 1620af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKmemcpy(self->channelIndicesPrev, self->channelIndices, (8)*sizeof(UCHAR)); /* store */ 16212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabledPrev = self->sbrEnabled; 16222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 16232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->aacChannels > 0) { 1624af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi aacChannels = self->aacChannelsPrev; /* restore */ 1625af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKmemcpy(self->channelType, self->channelTypePrev, (8)*sizeof(AUDIO_CHANNEL_TYPE)); /* restore */ 1626af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKmemcpy(self->channelIndices, self->channelIndicesPrev, (8)*sizeof(UCHAR)); /* restore */ 16272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled = self->sbrEnabledPrev; 16282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Update number of output channels */ 16322ddc922da87bb675b8ab8c305566436e806df0d9Jean-Michel Trivi self->streamInfo.aacNumChannels = aacChannels; 16332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #ifdef TP_PCE_ENABLE 16356ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi if (pceRead == 1 && CProgramConfig_IsValid(pce)) { 16362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set matrix mixdown infos if available from PCE. */ 16372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pcmDmx_SetMatrixMixdownFromPce ( self->hPcmUtils, 16382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce->MatrixMixdownIndexPresent, 16392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce->MatrixMixdownIndex, 16402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce->PseudoSurroundEnable ); 16412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project #endif 16432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* If there is no valid data to transfrom into time domain, return. */ 16452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ! IS_OUTPUT_VALID(ErrorStatus) ) { 16462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 16472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 164947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi /* Setup the output channel mapping. The table below shows the four possibilities: 165047c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * # | chCfg | PCE | cChCfg | chOutMapIdx 165147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * ---+-------+-----+--------+------------------ 165247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * 1 | > 0 | no | - | chCfg 165347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * 2 | 0 | yes | > 0 | cChCfg 165447c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * 3 | 0 | yes | 0 | aacChannels || 0 165547c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * 4 | 0 | no | - | aacChannels || 0 165647c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * ---+-------+-----+--------+------------------ 165747c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * Where chCfg is the channel configuration index from ASC and cChCfg is a corresponding chCfg 165847c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * derived from a given PCE. The variable aacChannels represents the number of channel found 165947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * during bitstream decoding. Due to the structure of the mapping table it can only be used for 166047c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * mapping if its value is smaller than 7. Otherwise we use the fallback (0) which is a simple 166147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * pass-through. The possibility #4 should appear only with MPEG-2 (ADTS) streams. This is 166247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi * mode is called "implicit channel mapping". 166347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi */ 166447c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi chOutMapIdx = ((self->chMapIndex==0) && (aacChannels<7)) ? aacChannels : self->chMapIndex; 166547c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi 16662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 16672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Inverse transform 16682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 16692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 16702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int stride, offset, c; 16712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1672603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi /* Turn on/off DRC modules level normalization in digital domain depending on the limiter status. */ 1673603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi aacDecoder_drcSetParam( self->hDrcInfo, APPLY_NORMALIZATION, (self->limiterEnableCurr) ? 0 : 1 ); 16742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Extract DRC control data and map it to channels (without bitstream delay) */ 16752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcProlog ( 16762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 16772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bs, 16782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo, 16792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pce.ElementInstanceTag, 16802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 16812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels 16822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 16832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* "c" iterates in canonical MPEG channel order */ 16852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (c=0; c < aacChannels; c++) 16862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 16872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderChannelInfo *pAacDecoderChannelInfo; 16882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Select correct pAacDecoderChannelInfo for current channel */ 16902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (self->chMapping[c] >= aacChannels) { 16912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo = self->pAacDecoderChannelInfo[c]; 16922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 16932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo = self->pAacDecoderChannelInfo[self->chMapping[c]]; 16942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 16952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 16962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Setup offset and stride for time buffer traversal. */ 16972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (interleaved) { 16982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride = aacChannels; 169947c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi offset = self->channelOutputMapping[chOutMapIdx][c]; 17002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 17012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride = 1; 170247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi offset = self->channelOutputMapping[chOutMapIdx][c] * self->streamInfo.aacSamplesPerFrame; 17032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1706af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi if ( flags&AACDEC_FLUSH ) { 1707af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi /* Clear pAacDecoderChannelInfo->pSpectralCoefficient because with AACDEC_FLUSH set it contains undefined data. */ 1708af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi FDKmemclear(pAacDecoderChannelInfo->pSpectralCoefficient, sizeof(FIXP_DBL)*self->streamInfo.aacSamplesPerFrame); 1709af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi } 1710af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi 17112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* 17122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Conceal defective spectral data 17132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 17142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CConcealment_Apply(&self->pAacDecoderStaticChannelInfo[c]->concealmentInfo, 17152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 17162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[c], 17172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->samplingRateInfo, 17182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 17192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 17202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project (self->frameOK && !(flags&AACDEC_CONCEAL)), 17212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->flags 17222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & (AACDEC_INTR|AACDEC_CLRHIST)) { 17262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reset DRC control data for this channel */ 17272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcInitChannelData ( &self->pAacDecoderStaticChannelInfo[c]->drcData ); 17282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1729603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi /* The DRC module demands to be called with the gain field holding the gain scale. */ 1730603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi self->extGain[0] = (FIXP_DBL)TDL_GAIN_SCALING; 17312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* DRC processing */ 17322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcApply ( 17332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 17342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hSbrDecoder, 17352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 17362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &self->pAacDecoderStaticChannelInfo[c]->drcData, 1737603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi self->extGain, 17382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project c, 17392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 17402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->sbrEnabled 17412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pAacDecoderChannelInfo->renderMode) 17442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 17452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACDEC_RENDER_IMDCT: 17462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_FrequencyToTime( 17472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[c], 17482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 17492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTimeData + offset, 17502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 17512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride, 17522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project (self->frameOK && !(flags&AACDEC_CONCEAL)), 17532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->aacCommonData.workBufferCore1->mdctOutTemp 17542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 1755603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi self->extGainDelay = self->streamInfo.aacSamplesPerFrame; 17562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 17572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACDEC_RENDER_ELDFB: 17582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_FrequencyToTimeLowDelay( 17592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo[c], 17602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 17612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pTimeData + offset, 17622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->streamInfo.aacSamplesPerFrame, 17632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stride 17642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 1765603f48ab99ce76f552f4f6f85d06b8c5b94c698eJean-Michel Trivi self->extGainDelay = (self->streamInfo.aacSamplesPerFrame*2 - self->streamInfo.aacSamplesPerFrame/2 - 1)/2; 17662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 17672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 17682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_DEC_UNKNOWN; 17692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 17702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( flags&AACDEC_FLUSH ) { 17726ab36997af5d5acda4f21d33031f4e45c85f96b7Jean-Michel Trivi FDKmemclear(pAacDecoderChannelInfo->pSpectralCoefficient, sizeof(FIXP_DBL)*self->streamInfo.aacSamplesPerFrame); 17732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(self->pAacDecoderStaticChannelInfo[c]->pOverlapBuffer, OverlapBufferSize*sizeof(FIXP_DBL)); 17742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Extract DRC control data and map it to channels (with bitstream delay) */ 17792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacDecoder_drcEpilog ( 17802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->hDrcInfo, 17812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bs, 17822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pAacDecoderStaticChannelInfo, 17832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->pce.ElementInstanceTag, 17842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->chMapping, 17852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aacChannels 17862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 17872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 17882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1789af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi /* Add additional concealment delay */ 1790af967fcc55656a0d3c2a05982713f1ca43c1252bJean-Michel Trivi self->streamInfo.outputDelay += CConcealment_GetDelay(&self->concealCommonData) * self->streamInfo.aacSamplesPerFrame; 17912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 17928e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi /* Map DRC data to StreamInfo structure */ 17938e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi aacDecoder_drcGetInfo ( 17948e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi self->hDrcInfo, 17958e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi &self->streamInfo.drcPresMode, 17968e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi &self->streamInfo.drcProgRefLev 17978e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi ); 17988e087bf394c5ceddcdb8b1d029795aff3026eea0Jean-Michel Trivi 17992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Reorder channel type information tables. */ 18002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 180147c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi AUDIO_CHANNEL_TYPE types[(8)]; 180247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi UCHAR idx[(8)]; 18032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int c; 18042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(sizeof(self->channelType) == sizeof(types)); 18062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(sizeof(self->channelIndices) == sizeof(idx)); 18072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(types, self->channelType, sizeof(types)); 18092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(idx, self->channelIndices, sizeof(idx)); 18102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (c=0; c<aacChannels; c++) { 181247c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi self->channelType[self->channelOutputMapping[chOutMapIdx][c]] = types[c]; 181347c680c62246594107da0a8995c953dfb8040bceJean-Michel Trivi self->channelIndices[self->channelOutputMapping[chOutMapIdx][c]] = idx[c]; 18142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 18152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 18162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project self->blockNumber++; 18182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 18202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 18212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 18232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief returns the streaminfo pointer 18242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function hands back a pointer to the streaminfo structure 18262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return pointer to the struct 18282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 18292228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectLINKSPEC_CPP CStreamInfo* CAacDecoder_GetStreamInfo ( HANDLE_AACDECODER self ) 18302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 18312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!self) { 18322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 18332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 18342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return &self->streamInfo; 18352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 18362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 18392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1840