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 Transport Decoder ************************ 852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Author(s): Manuel Jander 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Description: MPEG Transport decoder 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpdec_lib.h" 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* library version */ 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "version" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tp_data.h" 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpdec_adts.h" 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpdec_adif.h" 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpdec_latm.h" 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MODULE_NAME "transportDec" 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef union { 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project STRUCT_ADTS adts; 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAdifHeader adif; 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CLatmDemux latm; 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} transportdec_parser_t; 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstruct TRANSPORTDEC 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORT_TYPE transportFmt; /*!< MPEG4 transportDec type. */ 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSTpCallBacks callbacks; /*!< Struct holding callback and its data */ 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_BITSTREAM bitStream[2]; /* Bitstream reader */ 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *bsBuffer; /* Internal bitstreamd data buffer (unallocated in case of TT_MP4_RAWPACKETS) */ 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportdec_parser_t parser; /* Format specific parser structs. */ 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSAudioSpecificConfig asc[(1*2)]; /* Audio specific config from the last config found. */ 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT globalFramePos; /* Global transport frame reference bit position. */ 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT accessUnitAnchor[2]; /* Current access unit start bit position. */ 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT auLength[2]; /* Length of current access unit. */ 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT numberOfRawDataBlocks; /* Current number of raw data blocks contained remaining from the current transport frame. */ 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT avgBitRate; /* Average bit rate used for frame loss estimation. */ 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT lastValidBufferFullness; /* Last valid buffer fullness value for frame loss estimation */ 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT remainder; /* Reminder in division during lost access unit estimation. */ 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT missingAccessUnits; /* Estimated missing access units. */ 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT burstPeriod; /* Data burst period in mili seconds. */ 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT holdOffFrames; /* Amount of frames that were already hold off due to buffer fullness condition not being met. */ 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT flags; /* Flags. */ 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Flag bitmasks for "flags" member of struct TRANSPORTDEC */ 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_SYNCOK 1 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_MINIMIZE_DELAY 2 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_IGNORE_BUFFERFULLNESS 4 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_EARLY_CONFIG 8 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_LOST_FRAMES_PENDING 16 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_CONFIG_FOUND 32 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectC_ALLOC_MEM(Ram_TransportDecoder, TRANSPORTDEC, 1) 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectC_ALLOC_MEM(Ram_TransportDecoderBuffer, UCHAR, TRANSPORTDEC_INBUF_SIZE) 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectHANDLE_TRANSPORTDEC transportDec_Open( const TRANSPORT_TYPE transportFmt, const UINT flags) 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC hInput; 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput = GetRam_TransportDecoder(0); 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( hInput == NULL ) { 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init transportDec struct. */ 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->transportFmt = transportFmt; 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (transportFmt) { 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & TP_FLAG_MPEG4) 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->parser.adts.decoderCanDoMpeg4 = 1; 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->parser.adts.decoderCanDoMpeg4 = 0; 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsRead_CrcInit(&hInput->parser.adts); 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->parser.adts.BufferFullnesStartFlag = 1; 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->numberOfRawDataBlocks = 0; 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportDecoder(&hInput); 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput = NULL; 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hInput != NULL) { 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Create bitstream */ 2005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( TT_IS_PACKET(transportFmt) ) { 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->bsBuffer = NULL; 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->bsBuffer = GetRam_TransportDecoderBuffer(0); 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hInput->bsBuffer == NULL) { 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_Close( &hInput ); 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(&hInput->bitStream[0], hInput->bsBuffer, TRANSPORTDEC_INBUF_SIZE, 0, BS_READER); 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->burstPeriod = 0; 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return hInput; 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_OutOfBandConfig(HANDLE_TRANSPORTDEC hTp, UCHAR *conf, const UINT length, UINT layer ) 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_BITSTREAM bs; 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &bs; 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKinitBitStream(hBs, conf, 0x10000000, length<<3, BS_READER); 2255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 2265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fConfigFound = 0; 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* config transport decoder */ 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (layer != 0) { 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_INVALID_PARAMETER; 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CLatmDemux *pLatmDemux = &hTp->parser.latm; 2385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = CLatmDemux_ReadStreamMuxConfig(hBs, pLatmDemux, &hTp->callbacks, hTp->asc, &fConfigFound); 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err != TRANSPORTDEC_OK) { 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fConfigFound = 1; 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = AudioSpecificConfig_Parse(&hTp->asc[layer], hBs, 1, &hTp->callbacks); 2475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 2485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int errC; 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[layer]); 2515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (errC != 0) { 2525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_PARSE_ERROR; 2535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 2545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 2555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK && fConfigFound) { 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_CONFIG_FOUND; 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_RegisterAscCallback( HANDLE_TRANSPORTDEC hTpDec, const cbUpdateConfig_t cbUpdateConfig, void* user_data) 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpDec == NULL) { 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbUpdateConfig = cbUpdateConfig; 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbUpdateConfigData = user_data; 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_RegisterSscCallback( HANDLE_TRANSPORTDEC hTpDec, const cbSsc_t cbSsc, void* user_data) 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpDec == NULL) { 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSsc = cbSsc; 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSscData = user_data; 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_RegisterSbrCallback( HANDLE_TRANSPORTDEC hTpDec, const cbSbr_t cbSbr, void* user_data) 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpDec == NULL) { 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSbr = cbSbr; 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSbrData = user_data; 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_FillData( 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const HANDLE_TRANSPORTDEC hTp, 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *pBuffer, 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT bufferSize, 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT *pBytesValid, 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT layer ) 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs; 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp == NULL) 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project || (layer >= 2) ) { 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_INVALID_PARAMETER; 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*pBytesValid == 0) { 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* nothing to do */ 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set bitbuffer shortcut */ 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs = &hTp->bitStream[layer]; 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( TT_IS_PACKET(hTp->transportFmt) ) { 3185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks == 0) { 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* For packet based transport, pass input buffer to bitbuffer without copying the data. 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Unfortunately we do not know the actual buffer size. And the FDK bit buffer implementation 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project needs a number 2^x. So we assume the maximum of 48 channels with 6144 bits per channel 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project and round it up to the next power of 2 => 65536 bytes */ 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(hBs, pBuffer, 0x10000, (*pBytesValid)<<3, BS_READER); 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pBytesValid = 0; 3255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 3265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ... else feed bitbuffer with new stream data (append). */ 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->numberOfRawDataBlocks <= 0) { 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfeedBuffer (hBs, pBuffer, bufferSize, pBytesValid) ; 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectHANDLE_FDK_BITSTREAM transportDec_GetBitstream( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return &hTp->bitStream[layer]; 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORT_TYPE transportDec_GetFormat( const HANDLE_TRANSPORTDEC hTp ) 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return hTp->transportFmt; 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportDec_GetBufferFullness( const HANDLE_TRANSPORTDEC hTp ) 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bufferFullness = -1; 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->parser.adts.bs.adts_fullness != 0x7ff) { 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness = hTp->parser.adts.bs.frame_length*8 + hTp->parser.adts.bs.adts_fullness * 32 * getNumberOfEffectiveChannels(hTp->parser.adts.bs.channel_config); 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->parser.latm.m_linfo[0][0].m_bufferFullness != 0xff) { 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness = hTp->parser.latm.m_linfo[0][0].m_bufferFullness; 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return bufferFullness; 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 3715016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \brief adjust bit stream position and the end of an access unit. 3725016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param hTp transport decoder handle. 3735016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \return error code. 3745016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi */ 3755016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivistatic 3765016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel TriviTRANSPORTDEC_ERROR transportDec_AdjustEndOfAccessUnit(HANDLE_TRANSPORTDEC hTp) 3775016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi{ 3785016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream[0]; 3795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 3805016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 3815016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi switch (hTp->transportFmt) { 3825016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LOAS: 3835016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP0: 3845016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP1: 3855016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( hTp->numberOfRawDataBlocks == 0 ) 3865016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 3875016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Do byte align at the end of AudioMuxElement. */ 3885016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKbyteAlign(hBs, hTp->globalFramePos); 3895016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 3905016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Check global frame length */ 3915016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->transportFmt == TT_MP4_LOAS && hTp->parser.latm.m_audioMuxLengthBytes > 0) 3925016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 3935016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int loasOffset; 3945016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 3955016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi loasOffset = (hTp->parser.latm.m_audioMuxLengthBytes*8 + FDKgetValidBits(hBs)) - hTp->globalFramePos; 3965016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (loasOffset != 0) { 3975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushBiDirectional(hBs, loasOffset); 3985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* For ELD and other payloads there is an unknown amount of padding, so ignore unread bits, but 3995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi throw an error only if too many bits where read. */ 4005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (loasOffset < 0) { 4015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_PARSE_ERROR; 4025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4035016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4065016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4085016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_ADTS: 4095016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->parser.adts.bs.protection_absent == 0) 4105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int offset; 4125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Calculate offset to end of AU */ 4145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi offset = hTp->parser.adts.rawDataBlockDist[hTp->parser.adts.bs.num_raw_blocks-hTp->numberOfRawDataBlocks]<<3; 4155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* CAUTION: The PCE (if available) is declared to be a part of the header! */ 4165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi offset -= hTp->accessUnitAnchor[0] - FDKgetValidBits(hBs) + 16 + hTp->parser.adts.bs.num_pce_bits; 4175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushBiDirectional(hBs, offset); 4185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->parser.adts.bs.num_raw_blocks > 0 && hTp->parser.adts.bs.protection_absent == 0) { 4205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Note this CRC read currently happens twice because of transportDec_CrcCheck() */ 4215016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->parser.adts.crcReadValue = FDKreadBits(hBs, 16); 4225016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4235016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( hTp->numberOfRawDataBlocks == 0 ) 4245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Check global frame length */ 4265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->parser.adts.bs.protection_absent == 0) 4275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int offset; 4295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi offset = (hTp->parser.adts.bs.frame_length*8 - ADTS_SYNCLENGTH + FDKgetValidBits(hBs)) - hTp->globalFramePos; 4315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (offset != 0) { 4325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushBiDirectional(hBs, offset); 4335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi default: 4395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi return err; 4435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi} 4445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi/** 4472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Determine additional buffer fullness contraint due to burst data reception. 4482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * The parameter TPDEC_PARAM_BURSTPERIOD must have been set as a precondition. 4492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param hTp transport decoder handle. 4502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bufferFullness the buffer fullness value of the first frame to be decoded. 4512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitsAvail the amount of available bits at the end of the first frame to be decoded. 4522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return error code 4532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 4542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 4552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR additionalHoldOffNeeded( 4562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC hTp, 4572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bufferFullness, 4582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitsAvail 4592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 4602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT checkLengthBits, avgBitsPerFrame; 4622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT maxAU; /* maximum number of frames per Master Frame */ 4632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT samplesPerFrame = hTp->asc->m_samplesPerFrame; 4642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT samplingFrequency = (INT)hTp->asc->m_samplingFrequency; 4652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp->avgBitRate == 0) || (hTp->burstPeriod == 0) ) { 4672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 4682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (samplesPerFrame == 0 ) || (samplingFrequency == 0) ) { 4702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_NOT_ENOUGH_BITS; 4712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* One Master Frame is sent every hTp->burstPeriod ms */ 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxAU = hTp->burstPeriod * samplingFrequency + (samplesPerFrame*1000 - 1); 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxAU = maxAU / (samplesPerFrame*1000); 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Subtract number of frames which were already held off. */ 4772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxAU -= hTp->holdOffFrames; 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project avgBitsPerFrame = hTp->avgBitRate * samplesPerFrame + (samplingFrequency-1); 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project avgBitsPerFrame = avgBitsPerFrame / samplingFrequency; 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Consider worst case of bufferFullness quantization. */ 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness += 31; 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project checkLengthBits = bufferFullness + (maxAU-1)*avgBitsPerFrame; 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if buffer is big enough to fullfill buffer fullness condition */ 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (checkLengthBits /*+headerBits*/) > ((TRANSPORTDEC_INBUF_SIZE<<3)-7) ) { 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_SYNC_ERROR; 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( bitsAvail < checkLengthBits ) { 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_NOT_ENOUGH_BITS; 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivistatic TRANSPORTDEC_ERROR transportDec_readHeader( 5115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi HANDLE_TRANSPORTDEC hTp, 5125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi HANDLE_FDK_BITSTREAM hBs, 5135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int syncLength, 5145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int ignoreBufferFullness, 5155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pRawDataBlockLength, 5165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pfTraverseMoreFrames, 5175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pSyncLayerFrameBits, 5185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pfConfigFound, 5195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pHeaderBits 5205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ) 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 5235016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int rawDataBlockLength = *pRawDataBlockLength; 5245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fTraverseMoreFrames = (pfTraverseMoreFrames != NULL) ? *pfTraverseMoreFrames : 0; 5255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int syncLayerFrameBits = (pSyncLayerFrameBits != NULL) ? *pSyncLayerFrameBits : 0; 5265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fConfigFound = (pfConfigFound != NULL) ? *pfConfigFound : 0; 5275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int startPos; 5285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 5295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi startPos = FDKgetValidBits(hBs); 5302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 5325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_ADTS: 5335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks <= 0) 5342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int errC; 5362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->globalFramePos = FDKgetValidBits(hBs); 5385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 5395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Parse ADTS header */ 5405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = adtsRead_DecodeHeader( &hTp->parser.adts, &hTp->asc[0], hBs, ignoreBufferFullness ); 5415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_OK) { 5425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_NOT_ENOUGH_BITS) { 5435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 5445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[0]); 5475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (errC != 0) { 5485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (errC == TRANSPORTDEC_NEED_TO_RESTART) { 5495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_NEED_TO_RESTART; 5505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi goto bail; 5515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fConfigFound = 1; 5565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = hTp->parser.adts.bs.num_raw_blocks+1; 5572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi else { 5615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Reset CRC because the next bits are the beginning of a raw_data_block() */ 5625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKcrcReset(&hTp->parser.adts.crcInfo); 5635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->parser.adts.bs.num_pce_bits = 0; 5645016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 5665016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks--; 5675016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi rawDataBlockLength = adtsRead_GetRawDataBlockLength(&hTp->parser.adts, (hTp->parser.adts.bs.num_raw_blocks-hTp->numberOfRawDataBlocks)); 5685016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (rawDataBlockLength <= 0) { 5695016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* No further frame traversal possible. */ 5705016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fTraverseMoreFrames = 0; 5715016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5725016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits = (hTp->parser.adts.bs.frame_length<<3) - (startPos - FDKgetValidBits(hBs)) - syncLength; 5735016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (syncLayerFrameBits <= 0) { 5745016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 5755016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5765016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5775016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = 0; 5785016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 5805016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LOAS: 5815016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks <= 0) 5825016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 5835016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits = FDKreadBits(hBs, 13); 5845016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->parser.latm.m_audioMuxLengthBytes = syncLayerFrameBits; 5855016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits <<= 3; 5865016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5875016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP1: 5885016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP0: 5895016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks <= 0) 5905016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 5915016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->globalFramePos = FDKgetValidBits(hBs); 5922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5935016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = CLatmDemux_Read( 5945016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hBs, 5955016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &hTp->parser.latm, 5965016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->transportFmt, 5975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &hTp->callbacks, 5985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->asc, 5995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &fConfigFound, 6005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ignoreBufferFullness); 6015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_OK) { 6035016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_NOT_ENOUGH_BITS) { 6045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 6055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6065016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = CLatmDemux_GetNrOfSubFrames(&hTp->parser.latm); 6085016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->transportFmt == TT_MP4_LOAS) { 6095016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits -= startPos - FDKgetValidBits(hBs) - (13); 6105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = CLatmDemux_ReadPayloadLengthInfo(hBs, &hTp->parser.latm); 6145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_OK) { 6155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 6165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 6195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi rawDataBlockLength = CLatmDemux_GetFrameLengthInBits(&hTp->parser.latm); 6205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks--; 6215016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6225016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = 0; 6232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 6265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 6275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits = 0; 6285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivibail: 6335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pRawDataBlockLength = rawDataBlockLength; 6355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pHeaderBits != NULL) { 6375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pHeaderBits += startPos - (INT)FDKgetValidBits(hBs); 6385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pfConfigFound != NULL) { 6405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pfConfigFound = fConfigFound; 6415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pfTraverseMoreFrames != NULL) { 6445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pfTraverseMoreFrames = fTraverseMoreFrames; 6455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pSyncLayerFrameBits != NULL) { 6475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pSyncLayerFrameBits = syncLayerFrameBits; 6485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pfConfigFound != NULL) { 6505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pfConfigFound = fConfigFound; 6515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 6542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* How many bits to advance for synchronization search. */ 6572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_SYNCSKIP 8 6582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 6602228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR synchronization( 6612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC hTp, 6622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT *pHeaderBits 6632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 6642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 6652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK, errFirstFrame = TRANSPORTDEC_OK; 6662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream[0]; 6672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT syncLayerFrameBits = 0; /* Length of sync layer frame (i.e. LOAS) */ 6692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT rawDataBlockLength = 0, rawDataBlockLengthPrevious; 6702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT totalBits; 6712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT headerBits = 0, headerBitsFirstFrame = 0, headerBitsPrevious; 6725016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi INT numFramesTraversed = 0, fTraverseMoreFrames, fConfigFound = (hTp->flags & TPDEC_CONFIG_FOUND), startPosFirstFrame = -1; 6732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT numRawDataBlocksFirstFrame = 0, numRawDataBlocksPrevious, globalFramePosFirstFrame = 0, rawDataBlockLengthFirstFrame = 0; 6745016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi INT ignoreBufferFullness = hTp->flags & (TPDEC_LOST_FRAMES_PENDING|TPDEC_IGNORE_BUFFERFULLNESS|TPDEC_SYNCOK); 6752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Synch parameters */ 6772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT syncLength; /* Length of sync word in bits */ 6782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT syncWord; /* Sync word to be found */ 6792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT syncMask; /* Mask for sync word (for adding one bit, so comprising one bit less) */ 6802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_START(contextFirstFrame, transportdec_parser_t, 1); 6812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project totalBits = (INT)FDKgetValidBits(hBs); 6832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (totalBits <= 0) { 6855016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_NOT_ENOUGH_BITS; 6862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 6872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project fTraverseMoreFrames = (hTp->flags & (TPDEC_MINIMIZE_DELAY|TPDEC_EARLY_CONFIG)) && ! (hTp->flags & TPDEC_SYNCOK); 6902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set transport specific sync parameters */ 6922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 6932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 6942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncWord = ADTS_SYNCWORD; 6952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncLength = ADTS_SYNCLENGTH; 6962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 6982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncWord = 0x2B7; 6992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncLength = 11; 7002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 7022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncWord = 0; 7032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncLength = 0; 7042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncMask = (1<<syncLength)-1; 7082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 7102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitsAvail = 0; /* Bits available in bitstream buffer */ 7112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT checkLengthBits; /* Helper to check remaining bits and buffer boundaries */ 7122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT synch; /* Current sync word read from bitstream */ 7132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBitsPrevious = headerBits; 7152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail = (INT)FDKgetValidBits(hBs); 7172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->numberOfRawDataBlocks == 0) { 7192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* search synchword */ 7202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT( (bitsAvail % TPDEC_SYNCSKIP) == 0); 7222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ((bitsAvail-syncLength) < TPDEC_SYNCSKIP) { 7242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_NOT_ENOUGH_BITS; 7252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = 0; 7262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project synch = FDKreadBits(hBs, syncLength); 7292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(hTp->flags & TPDEC_SYNCOK) ) { 7312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (; (bitsAvail-syncLength) >= TPDEC_SYNCSKIP; bitsAvail-=TPDEC_SYNCSKIP) { 7322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (synch == syncWord) { 7332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project synch = ((synch << TPDEC_SYNCSKIP) & syncMask) | FDKreadBits(hBs, TPDEC_SYNCSKIP); 7362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (synch != syncWord) { 7392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* No correct syncword found. */ 7402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_SYNC_ERROR; 7412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_OK; 7432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = syncLength; 7452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = 0; 7482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Save previous raw data block data */ 7512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project rawDataBlockLengthPrevious = rawDataBlockLength; 7522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numRawDataBlocksPrevious = hTp->numberOfRawDataBlocks; 7532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Parse transport header (raw data block granularity) */ 7552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK ) 7572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 7585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = transportDec_readHeader( 7595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp, 7605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hBs, 7615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLength, 7625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ignoreBufferFullness, 7635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &rawDataBlockLength, 7645016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &fTraverseMoreFrames, 7655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &syncLayerFrameBits, 7665016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &fConfigFound, 7675016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &headerBits 7685016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ); 7692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail -= headerBits; 7722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project checkLengthBits = syncLayerFrameBits; 7742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if the whole frame would fit the bitstream buffer */ 7762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 7772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (checkLengthBits+headerBits) > ((TRANSPORTDEC_INBUF_SIZE<<3)-7) ) { 7782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* We assume that the size of the transport bit buffer has been 7792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project chosen to meet all system requirements, thus this condition 7802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project is considered a synchronisation error. */ 7812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_SYNC_ERROR; 7822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( bitsAvail < checkLengthBits ) { 7842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_NOT_ENOUGH_BITS; 7852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_NOT_ENOUGH_BITS) { 7902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_SYNC_ERROR) { 7952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bits; 7962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Enforce re-sync of transport headers. */ 7982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = 0; 7992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Ensure that the bit amount lands at a multiple of TPDEC_SYNCSKIP */ 8012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bits = (bitsAvail + headerBits) % TPDEC_SYNCSKIP; 8022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Rewind - TPDEC_SYNCSKIP, in order to look for a synch one bit ahead next time. */ 8032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, -(headerBits - TPDEC_SYNCSKIP) + bits); 8042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail += headerBits - TPDEC_SYNCSKIP - bits; 8055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi headerBits = 0; 8062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Frame traversal */ 8092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( fTraverseMoreFrames ) 8102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Save parser context for early config discovery "rewind all frames" */ 8122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp->flags & TPDEC_EARLY_CONFIG) && !(hTp->flags & TPDEC_MINIMIZE_DELAY)) 8132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ignore buffer fullness if just traversing additional frames for ECD */ 8152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ignoreBufferFullness = 1; 8162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Save context in order to return later */ 8182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( err == TRANSPORTDEC_OK && startPosFirstFrame == -1 ) { 8192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project startPosFirstFrame = FDKgetValidBits(hBs); 8202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numRawDataBlocksFirstFrame = hTp->numberOfRawDataBlocks; 8212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project globalFramePosFirstFrame = hTp->globalFramePos; 8222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project rawDataBlockLengthFirstFrame = rawDataBlockLength; 8232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBitsFirstFrame = headerBits; 8242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project errFirstFrame = err; 8252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(contextFirstFrame, &hTp->parser, sizeof(transportdec_parser_t)); 8262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Break when config was found or it is not possible anymore to find a config */ 8295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (startPosFirstFrame != -1 && (fConfigFound || err != TRANSPORTDEC_OK)) 8305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 8315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* In case of ECD and sync error, do not rewind anywhere. */ 8325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_SYNC_ERROR) 8335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 8345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi startPosFirstFrame = -1; 8355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fConfigFound = 0; 8365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi numFramesTraversed = 0; 8375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 8432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushFor(hBs, rawDataBlockLength); 8442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail -= rawDataBlockLength; 8452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numFramesTraversed++; 8462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Ignore error here itentionally. */ 8472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_AdjustEndOfAccessUnit(hTp); 8482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while ( fTraverseMoreFrames || (err == TRANSPORTDEC_SYNC_ERROR && !(hTp->flags & TPDEC_SYNCOK))); 8512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Restore context in case of ECD frame traversal */ 8532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( startPosFirstFrame != -1 && (fConfigFound || err != TRANSPORTDEC_OK) ) { 8542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, FDKgetValidBits(hBs) - startPosFirstFrame); 8552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(&hTp->parser, contextFirstFrame, sizeof(transportdec_parser_t)); 8562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = numRawDataBlocksFirstFrame; 8572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->globalFramePos = globalFramePosFirstFrame; 8582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project rawDataBlockLength = rawDataBlockLengthFirstFrame; 8592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = headerBitsFirstFrame; 8602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = errFirstFrame; 8612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numFramesTraversed = 0; 8622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Additional burst data mode buffer fullness check. */ 8655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( !(hTp->flags & (TPDEC_LOST_FRAMES_PENDING|TPDEC_IGNORE_BUFFERFULLNESS|TPDEC_SYNCOK)) && err == TRANSPORTDEC_OK) { 8662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = additionalHoldOffNeeded(hTp, transportDec_GetBufferFullness(hTp), FDKgetValidBits(hBs) - syncLayerFrameBits); 8672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_NOT_ENOUGH_BITS) { 8682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->holdOffFrames++; 8692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Rewind for retry because of not enough bits */ 8732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_NOT_ENOUGH_BITS) { 8742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, headerBits); 8752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = 0; 8762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 8782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* reset hold off frame counter */ 8792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->holdOffFrames = 0; 8802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Return to last good frame in case of frame traversal but not ECD. */ 8832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numFramesTraversed > 0) { 8842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, rawDataBlockLengthPrevious); 8852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err != TRANSPORTDEC_OK) { 8862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = numRawDataBlocksPrevious; 8872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = headerBitsPrevious; 8882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_OK; 8902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 8932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[0] = rawDataBlockLength; 8942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8955016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Detect pointless TRANSPORTDEC_NOT_ENOUGH_BITS error case, were the bit buffer is already full, 8965016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi or no new burst packet fits. Recover by advancing the bit buffer. */ 8975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( (TRANSPORTDEC_NOT_ENOUGH_BITS == err) && (FDKgetValidBits(hBs) >= ((TRANSPORTDEC_INBUF_SIZE*8 - ((hTp->avgBitRate*hTp->burstPeriod)/1000)) - 7)) ) 8985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 8995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushFor(hBs, TPDEC_SYNCSKIP); 9005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 9015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 9025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 9032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 9042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_SYNCOK; 9052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (fConfigFound) { 9085016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->flags |= TPDEC_CONFIG_FOUND; 9095016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 9105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 9112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pHeaderBits != NULL) { 9122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pHeaderBits = headerBits; 9132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_SYNC_ERROR) { 9162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_SYNCOK; 9172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_END(contextFirstFrame, transportdec_parser_t, 1); 9202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 9222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 9232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 9252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Synchronize to stream and estimate the amount of missing access units due 9262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * to a current synchronization error in case of constant average bit rate. 9272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 9282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 9292228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_readStream ( HANDLE_TRANSPORTDEC hTp, const UINT layer ) 9302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 9312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR error = TRANSPORTDEC_OK; 9332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream[layer]; 9342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nAU = -1; 9352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT headerBits; 9362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitDistance, bfDelta; 9372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Obtain distance to next synch word */ 9392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitDistance = FDKgetValidBits(hBs); 9402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = synchronization(hTp, &headerBits); 9412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitDistance -= FDKgetValidBits(hBs); 9422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(bitDistance >= 0); 9452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error == TRANSPORTDEC_SYNC_ERROR || (hTp->flags & TPDEC_LOST_FRAMES_PENDING)) 9472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if estimating lost access units is feasible. */ 9492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->avgBitRate > 0 && hTp->asc[0].m_samplesPerFrame > 0 && hTp->asc[0].m_samplingFrequency > 0) 9502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error == TRANSPORTDEC_OK) 9522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int aj; 9542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aj = transportDec_GetBufferFullness(hTp); 9562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (aj > 0) { 9572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = aj; 9582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = 0; 9602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* sync was ok: last of a series of bad access units. */ 9622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_LOST_FRAMES_PENDING; 9632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Add up bitDistance until end of the current frame. Later we substract 9642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project this frame from the grand total, since this current successfully synchronized 9652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frame should not be skipped of course; but it must be accounted into the 9662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferfulness math. */ 9672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitDistance += hTp->auLength[0]; 9682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(hTp->flags & TPDEC_LOST_FRAMES_PENDING) ) { 9702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* sync not ok: one of many bad access units. */ 9712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_LOST_FRAMES_PENDING; 9722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = - (INT)hTp->lastValidBufferFullness; 9732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = 0; 9752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int num, denom; 9802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Obtain estimate of number of lost frames */ 9822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project num = hTp->asc[0].m_samplingFrequency * (bfDelta + bitDistance) + hTp->remainder; 9832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project denom = hTp->avgBitRate * hTp->asc[0].m_samplesPerFrame; 9842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (num > 0) { 9852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nAU = num / denom; 9862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = num % denom; 9872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = num; 9892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error == TRANSPORTDEC_OK) 9922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Final adjustment of remainder, taken -1 into account because current 9942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frame should not be skipped, thus substract -1 or do nothing instead 9952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project of +1-1 accordingly. */ 9962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (denom - hTp->remainder) >= hTp->remainder ) { 9972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nAU--; 9982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nAU < 0) { 10012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* There was one frame too much concealed, so unfortunately we will have to skip one good frame. */ 10022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_EndAccessUnit(hTp); 10032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = synchronization(hTp, &headerBits); 10042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nAU = -1; 10052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef DEBUG 10062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintf("ERROR: Bufferfullness accounting failed. remainder=%d, nAU=%d\n", hTp->remainder, nAU); 10072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 10082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = 0; 10102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Enforce last missed frames to be concealed. */ 10112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nAU > 0) { 10122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, headerBits); 10132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Be sure that lost frames are handled correctly. This is necessary due to some 10202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sync error sequences where later it turns out that there is not enough data, but 10212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project the bits upto the sync word are discarded, thus causing a value of nAU > 0 */ 10222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nAU > 0) { 10232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = TRANSPORTDEC_SYNC_ERROR; 10242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->missingAccessUnits = nAU; 10272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 10292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 10302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* returns error code */ 10322228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_ReadAccessUnit( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 10332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 10342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 10352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs; 10362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!hTp) { 10382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_INVALID_PARAMETER; 10392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs = &hTp->bitStream[layer]; 10422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ((INT)FDKgetValidBits(hBs) <= 0) { 10445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_NOT_ENOUGH_BITS; 10455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 10465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 10472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 10482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 10502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read header if not already done */ 10512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!(hTp->flags & TPDEC_CONFIG_FOUND)) 10522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig *pce; 10542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AudioSpecificConfig_Init(&hTp->asc[0]); 10562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce = &hTp->asc[0].m_progrConfigElement; 10572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = adifRead_DecodeHeader(&hTp->parser.adif, pce, hBs); 10582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err) 10592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Map adif header to ASC */ 10622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_aot = (AUDIO_OBJECT_TYPE)(pce->Profile + 1); 10632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_samplingFrequencyIndex = pce->SamplingFrequencyIndex; 10642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_samplingFrequency = SamplingRateTable[pce->SamplingFrequencyIndex]; 10652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_channelConfiguration = 0; 10662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_samplesPerFrame = 1024; 10672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->avgBitRate = hTp->parser.adif.BitRate; 10682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Call callback to decoder. */ 10702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int errC; 10722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[0]); 10742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (errC == 0) { 10752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_CONFIG_FOUND; 10762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 10772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_PARSE_ERROR; 10782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[layer] = -1; /* Access Unit data length is unknown. */ 10832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 10842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 10862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* One Access Unit was filled into buffer. 10872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project So get the length out of the buffer. */ 10882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[layer] = FDKgetValidBits(hBs); 10892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_SYNCOK; 10902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 10912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10925016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP0: 10935016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP1: 10945016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 10955016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fConfigFound = hTp->flags & TPDEC_CONFIG_FOUND; 10965016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = transportDec_readHeader(hTp, hBs, 0, 1, &hTp->auLength[layer], NULL, NULL, &fConfigFound, NULL); 10975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (fConfigFound) { 10985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->flags |= TPDEC_CONFIG_FOUND; 10995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 11005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 11015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 11025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 11032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_RSVD50: 11042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 11052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 11062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = transportDec_readStream(hTp, layer); 11072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 11102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_UNSUPPORTED_FORMAT; 11112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 11152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->accessUnitAnchor[layer] = FDKgetValidBits(hBs); 11162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->accessUnitAnchor[layer] = 0; 11182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 11212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 11222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11242228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportDec_GetAuBitsRemaining( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 11252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bits; 11272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->accessUnitAnchor[layer] > 0 && hTp->auLength[layer] > 0) { 11292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bits = hTp->auLength[layer] - (hTp->accessUnitAnchor[layer] - FDKgetValidBits(&hTp->bitStream[layer])); 11302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bits = FDKgetValidBits(&hTp->bitStream[layer]); 11322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return bits; 11352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportDec_GetAuBitsTotal( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 11382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return hTp->auLength[layer]; 11402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_GetMissingAccessUnitCount ( INT *pNAccessUnits, HANDLE_TRANSPORTDEC hTp ) 11432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pNAccessUnits = hTp->missingAccessUnits; 11452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 11472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Inform the transportDec layer that reading of access unit has finished. */ 11502228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_EndAccessUnit(HANDLE_TRANSPORTDEC hTp) 11512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 11532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 11552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = transportDec_AdjustEndOfAccessUnit(hTp); 11562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 11582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 11592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 11632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11652228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_SetParam ( const HANDLE_TRANSPORTDEC hTp, 11662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const TPDEC_PARAM param, 11672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT value) 11682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR error = TRANSPORTDEC_OK; 11702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (param) { 11722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_MINIMIZE_DELAY: 11732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (value) { 11742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_MINIMIZE_DELAY; 11752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_MINIMIZE_DELAY; 11772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_EARLY_CONFIG: 11802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (value) { 11812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_EARLY_CONFIG; 11822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_EARLY_CONFIG; 11842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_IGNORE_BUFFERFULLNESS: 11872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (value) { 11882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_IGNORE_BUFFERFULLNESS; 11892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_IGNORE_BUFFERFULLNESS; 11912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_SET_BITRATE: 11942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->avgBitRate = value; 11952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_BURST_PERIOD: 11972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->burstPeriod = value; 11982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_RESET: 12002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 12022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i=0; i<(1*2); i++) { 12042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKresetBitbuffer(&hTp->bitStream[i]); 12052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[i] = 0; 12062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->accessUnitAnchor[i] = 0; 12075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 12082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~(TPDEC_SYNCOK|TPDEC_LOST_FRAMES_PENDING); 12095016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->transportFmt != TT_MP4_ADIF) { 12105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->flags &= ~TPDEC_CONFIG_FOUND; 12115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 12122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = 0; 12132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->avgBitRate = 0; 12142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->missingAccessUnits = 0; 12152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = 0; 12162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->globalFramePos = 0; 12172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->holdOffFrames = 0; 12182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 12232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12252228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectUINT transportDec_GetNrOfSubFrames(HANDLE_TRANSPORTDEC hTp) 12262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT nSubFrames = 0; 12282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp == NULL) 12302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 12312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->transportFmt==TT_MP4_LATM_MCP1 || hTp->transportFmt==TT_MP4_LATM_MCP0 || hTp->transportFmt==TT_MP4_LOAS) 12332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nSubFrames = CLatmDemux_GetNrOfSubFrames(&hTp->parser.latm); 12342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else if (hTp->transportFmt==TT_MP4_ADTS) 12352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nSubFrames = hTp->parser.adts.bs.num_raw_blocks; 12362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return nSubFrames; 12382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid transportDec_Close(HANDLE_TRANSPORTDEC *phTp) 12412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (phTp != NULL) 12432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*phTp != NULL) { 12455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( ! TT_IS_PACKET((*phTp)->transportFmt) ) { 12462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportDecoderBuffer(&(*phTp)->bsBuffer); 12472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*phTp != NULL) { 12492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportDecoder(phTp); 12502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_GetLibInfo( LIB_INFO *info ) 12562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 12582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (info == NULL) { 12602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_UNKOWN_ERROR; 12612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* search for next free tab */ 12642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i = 0; i < FDK_MODULE_LAST; i++) { 12652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (info[i].module_id == FDK_NONE) break; 12662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (i == FDK_MODULE_LAST) return TRANSPORTDEC_UNKOWN_ERROR; 12682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info += i; 12692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->module_id = FDK_TPDEC; 12712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->build_date = __DATE__; 12722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->build_time = __TIME__; 12732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->title = TP_LIB_TITLE; 12742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->version = LIB_VERSION(TP_LIB_VL0, TP_LIB_VL1, TP_LIB_VL2); 12752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LIB_VERSION_STRING(info); 12762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->flags = 0 12772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_ADIF 12782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_ADTS 12792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_LATM 12802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_LOAS 12812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_RAWPACKETS 12822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ; 12832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; /* FDKERR_NOERROR; */ 12852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_CrcStartReg(HANDLE_TRANSPORTDEC pTp, INT mBits) 12892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pTp->transportFmt) { 12912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 12922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return adtsRead_CrcStartReg(&pTp->parser.adts, &pTp->bitStream[0], mBits); 12932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 12942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 12952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid transportDec_CrcEndReg(HANDLE_TRANSPORTDEC pTp, INT reg) 12992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 13002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pTp->transportFmt) { 13012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 13022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsRead_CrcEndReg(&pTp->parser.adts, &pTp->bitStream[0], reg); 13032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 13052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 13082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13092228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_CrcCheck(HANDLE_TRANSPORTDEC pTp) 13102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 13112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pTp->transportFmt) { 13122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 13132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (pTp->parser.adts.bs.num_raw_blocks > 0) && (pTp->parser.adts.bs.protection_absent == 0) ) 13142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &pTp->bitStream[0]; 13162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi transportDec_AdjustEndOfAccessUnit(pTp); 13182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return adtsRead_CrcCheck(&pTp->parser.adts); 13202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 13212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 13222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1324