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 52228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project� Copyright 1995 - 2012 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#include "channel.h" 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdecoder.h" 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "block.h" 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_tns.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_bitstream.h" 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_tools_rom.h" 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "conceal.h" 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "rvlc.h" 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacdec_hcr.h" 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid MapMidSideMaskToPnsCorrelation (CAacDecoderChannelInfo *pAacDecoderChannelInfo[2]) 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int group; 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (group = 0 ; group < pAacDecoderChannelInfo[L]->icsInfo.WindowGroups; group++) { 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR groupMask = 1 << group; 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (UCHAR band = 0 ; band < pAacDecoderChannelInfo[L]->icsInfo.MaxSfBands; band++) { 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pAacDecoderChannelInfo[L]->pComData->jointStereoData.MsUsed[band] & groupMask) { /* channels are correlated */ 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_SetCorrelation(&pAacDecoderChannelInfo[L]->data.aac.PnsData, group, band, 0); 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (CPns_IsPnsUsed(&pAacDecoderChannelInfo[L]->data.aac.PnsData, group, band) && 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CPns_IsPnsUsed(&pAacDecoderChannelInfo[R]->data.aac.PnsData, group, band)) 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[L]->pComData->jointStereoData.MsUsed[band] ^= groupMask; /* clear the groupMask-bit */ 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*! 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \brief Decode channel pair element 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project The function decodes a channel pair element. 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project \return none 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CChannelElement_Decode( CAacDecoderChannelInfo *pAacDecoderChannelInfo[2], /*!< pointer to aac decoder channel info */ 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[2], 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SamplingRateInfo *pSamplingRateInfo, 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT flags, 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el_channels) 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch, maybe_jstereo = 0; 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maybe_jstereo = (el_channels > 1); 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch = 0; ch < el_channels; ch++) { 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( pAacDecoderChannelInfo[ch]->renderMode == AACDEC_RENDER_IMDCT 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project || pAacDecoderChannelInfo[ch]->renderMode == AACDEC_RENDER_ELDFB ) 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_InverseQuantizeSpectralData(pAacDecoderChannelInfo[ch], pSamplingRateInfo); 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 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 if (maybe_jstereo) { 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* apply ms */ 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pAacDecoderChannelInfo[L]->pDynData->RawDataInfo.CommonWindow) { 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int maxSfBandsL = GetScaleFactorBandsTransmitted(&pAacDecoderChannelInfo[L]->icsInfo); 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int maxSfBandsR = GetScaleFactorBandsTransmitted(&pAacDecoderChannelInfo[R]->icsInfo); 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pAacDecoderChannelInfo[L]->data.aac.PnsData.PnsActive || pAacDecoderChannelInfo[R]->data.aac.PnsData.PnsActive) { 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project MapMidSideMaskToPnsCorrelation(pAacDecoderChannelInfo); 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CJointStereo_ApplyMS(pAacDecoderChannelInfo, 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetScaleFactorBandOffsets(&pAacDecoderChannelInfo[L]->icsInfo, pSamplingRateInfo), 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetWindowGroupLengthTable(&pAacDecoderChannelInfo[L]->icsInfo), 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetWindowGroups(&pAacDecoderChannelInfo[L]->icsInfo), 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxSfBandsL, 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxSfBandsR); 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* apply intensity stereo */ /* modifies pAacDecoderChannelInfo[]->aSpecSfb */ 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CJointStereo_ApplyIS(pAacDecoderChannelInfo, 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetScaleFactorBandOffsets(&pAacDecoderChannelInfo[L]->icsInfo, pSamplingRateInfo), 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetWindowGroupLengthTable(&pAacDecoderChannelInfo[L]->icsInfo), 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetWindowGroups(&pAacDecoderChannelInfo[L]->icsInfo), 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetScaleFactorBandsTransmitted(&pAacDecoderChannelInfo[L]->icsInfo), 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[L]->pDynData->RawDataInfo.CommonWindow ? 1 : 0); 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (ch = 0; ch < el_channels; ch++) 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* write pAacDecoderChannelInfo[ch]->specScale */ 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CBlock_ScaleSpectralData(pAacDecoderChannelInfo[ch], pSamplingRateInfo); 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ApplyTools (pAacDecoderChannelInfo, pSamplingRateInfo, flags, ch); 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CRvlc_ElementCheck( 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo, 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderStaticChannelInfo, 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project flags, 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project el_channels 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid CChannel_CodebookTableInit(CAacDecoderChannelInfo *pAacDecoderChannelInfo) 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int b, w, maxBands, maxWindows; 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int maxSfb = GetScaleFactorBandsTransmitted(&pAacDecoderChannelInfo->icsInfo); 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *pCodeBook = pAacDecoderChannelInfo->pDynData->aCodeBook; 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( IsLongBlock(&pAacDecoderChannelInfo->icsInfo) ) { 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxBands = 64; 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxWindows = 1; 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxBands = 16; 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxWindows = 8; 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (w = 0; w<maxWindows; w++) { 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (b = 0; b < maxSfb; b++) { 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pCodeBook[b] = ESCBOOK; 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (; b<maxBands; b++) { 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pCodeBook[b] = ZERO_HCB; 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pCodeBook += maxBands; 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * Arbitrary order bitstream parser 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_DECODER_ERROR CChannelElement_Read(HANDLE_FDK_BITSTREAM hBs, 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderChannelInfo *pAacDecoderChannelInfo[], 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[], 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const AUDIO_OBJECT_TYPE aot, 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SamplingRateInfo *pSamplingRateInfo, 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT flags, 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT frame_length, 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UCHAR numberOfChannels, 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const SCHAR epConfig, 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC pTpDec 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_DECODER_ERROR error = AAC_DEC_OK; 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const element_list_t *list; 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i, ch, decision_bit; 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcReg1 = -1, crcReg2 = -1; 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT( (numberOfChannels == 1) || (numberOfChannels == 2) ); 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Get channel element sequence table */ 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project list = getBitstreamElementList(aot, epConfig, numberOfChannels, 0); 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (list == NULL) { 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_UNSUPPORTED_FORMAT; 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CTns_Reset(&pAacDecoderChannelInfo[0]->pDynData->TnsData); 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numberOfChannels == 2) { 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CTns_Reset(&pAacDecoderChannelInfo[1]->pDynData->TnsData); 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & (AC_ELD|AC_SCALABLE)) { 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[0]->pDynData->RawDataInfo.CommonWindow = 1; 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numberOfChannels == 2) { 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[1]->pDynData->RawDataInfo.CommonWindow = pAacDecoderChannelInfo[0]->pDynData->RawDataInfo.CommonWindow; 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numberOfChannels == 2) { 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[1]->pDynData->RawDataInfo.CommonWindow = pAacDecoderChannelInfo[0]->pDynData->RawDataInfo.CommonWindow; 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Iterate through sequence table */ 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project i = 0; 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ch = 0; 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project decision_bit = 0; 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (list->id[i]) { 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case element_instance_tag: 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[0]->ElementInstanceTag = FDKreadBits(hBs, 4); 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numberOfChannels == 2) { 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[1]->ElementInstanceTag = pAacDecoderChannelInfo[0]->ElementInstanceTag; 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case common_window: 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project decision_bit = pAacDecoderChannelInfo[ch]->pDynData->RawDataInfo.CommonWindow = FDKreadBits(hBs, 1); 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numberOfChannels == 2) { 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[1]->pDynData->RawDataInfo.CommonWindow = pAacDecoderChannelInfo[0]->pDynData->RawDataInfo.CommonWindow; 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ics_info: 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read individual channel info */ 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = IcsRead( hBs, 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pAacDecoderChannelInfo[ch]->icsInfo, 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pSamplingRateInfo, 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project flags ); 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numberOfChannels == 2 && pAacDecoderChannelInfo[0]->pDynData->RawDataInfo.CommonWindow) { 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[1]->icsInfo = pAacDecoderChannelInfo[0]->icsInfo; 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ltp_data_present: 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKreadBits(hBs, 1) != 0) { 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_UNSUPPORTED_PREDICTION; 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case ms: 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( CJointStereo_Read( 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pAacDecoderChannelInfo[0]->pComData->jointStereoData, 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetWindowGroups(&pAacDecoderChannelInfo[0]->icsInfo), 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project GetScaleMaxFactorBandsTransmitted(&pAacDecoderChannelInfo[0]->icsInfo, 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pAacDecoderChannelInfo[1]->icsInfo), 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project flags) ) 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_PARSE_ERROR; 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case global_gain: 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[ch]->pDynData->RawDataInfo.GlobalGain = (UCHAR) FDKreadBits(hBs,8); 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case section_data: 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = CBlock_ReadSectionData( hBs, 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[ch], 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pSamplingRateInfo, 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project flags ); 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case scale_factor_data: 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & AC_ER_RVLC) { 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* read RVLC data from bitstream (error sens. cat. 1) */ 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CRvlc_Read(pAacDecoderChannelInfo[ch], hBs); 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = CBlock_ReadScaleFactorData(pAacDecoderChannelInfo[ch], hBs, flags); 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case pulse: 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( CPulseData_Read( hBs, 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &pAacDecoderChannelInfo[ch]->pDynData->specificTo.aac.PulseData, 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pSamplingRateInfo->ScaleFactorBands_Long, /* pulse data is only allowed to be present in long blocks! */ 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project (void*)&pAacDecoderChannelInfo[ch]->icsInfo, 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frame_length 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) != 0 ) 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_DECODE_FRAME_ERROR; 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case tns_data_present: 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CTns_ReadDataPresentFlag(hBs, &pAacDecoderChannelInfo[ch]->pDynData->TnsData); 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case tns_data: 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* tns_data_present is checked inside CTns_Read(). */ 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = CTns_Read(hBs, &pAacDecoderChannelInfo[ch]->pDynData->TnsData, &pAacDecoderChannelInfo[ch]->icsInfo, flags); 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case gain_control_data: 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case gain_control_data_present: 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKreadBits(hBs, 1)) { 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_UNSUPPORTED_GAIN_CONTROL_DATA; 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case esc2_rvlc: 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & AC_ER_RVLC) { 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CRvlc_Decode( 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[ch], 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderStaticChannelInfo[ch], 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case esc1_hcr: 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & AC_ER_HCR) { 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CHcr_Read(hBs, pAacDecoderChannelInfo[ch] ); 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case spectral_data: 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = CBlock_ReadSpectralData( hBs, 3882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[ch], 3892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pSamplingRateInfo, 3902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project flags ); 3912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & AC_ELD) { 3922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[ch]->renderMode = AACDEC_RENDER_ELDFB; 3932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 3942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pAacDecoderChannelInfo[ch]->renderMode = AACDEC_RENDER_IMDCT; 3952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* CRC handling */ 4002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case adtscrc_start_reg1: 4012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pTpDec != NULL) { 4022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcReg1 = transportDec_CrcStartReg(pTpDec, 192); 4032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case adtscrc_start_reg2: 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pTpDec != NULL) { 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcReg2 = transportDec_CrcStartReg(pTpDec, 128); 4082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case adtscrc_end_reg1: 4112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case drmcrc_end_reg: 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pTpDec != NULL) { 4132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_CrcEndReg(pTpDec, crcReg1); 4142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case adtscrc_end_reg2: 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pTpDec != NULL) { 4182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_CrcEndReg(pTpDec, crcReg2); 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case drmcrc_start_reg: 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pTpDec != NULL) { 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcReg1 = transportDec_CrcStartReg(pTpDec, 0); 4242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Non data cases */ 4282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case next_channel: 4292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ch = (ch + 1) % numberOfChannels; 4302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case link_sequence: 4322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project list = list->next[decision_bit]; 4332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project i=-1; 4342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = AAC_DEC_UNSUPPORTED_FORMAT; 4382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error != AAC_DEC_OK) { 4422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 4432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project i++; 4462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while (list->id[i] != end_of_sequence); 4482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 4502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 4512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 452