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 5e1c78ed73faa51f2c7fcb0c4a17a92be9cc747f5Jean-Michel Trivi� Copyright 1995 - 2015 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 105203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi#include "tpdec_drm.h" 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MODULE_NAME "transportDec" 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef union { 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project STRUCT_ADTS adts; 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CAdifHeader adif; 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CLatmDemux latm; 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 117203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi STRUCT_DRM drm; 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} transportdec_parser_t; 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstruct TRANSPORTDEC 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORT_TYPE transportFmt; /*!< MPEG4 transportDec type. */ 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSTpCallBacks callbacks; /*!< Struct holding callback and its data */ 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_BITSTREAM bitStream[2]; /* Bitstream reader */ 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *bsBuffer; /* Internal bitstreamd data buffer (unallocated in case of TT_MP4_RAWPACKETS) */ 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportdec_parser_t parser; /* Format specific parser structs. */ 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSAudioSpecificConfig asc[(1*2)]; /* Audio specific config from the last config found. */ 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT globalFramePos; /* Global transport frame reference bit position. */ 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT accessUnitAnchor[2]; /* Current access unit start bit position. */ 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT auLength[2]; /* Length of current access unit. */ 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT numberOfRawDataBlocks; /* Current number of raw data blocks contained remaining from the current transport frame. */ 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT avgBitRate; /* Average bit rate used for frame loss estimation. */ 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT lastValidBufferFullness; /* Last valid buffer fullness value for frame loss estimation */ 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT remainder; /* Reminder in division during lost access unit estimation. */ 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT missingAccessUnits; /* Estimated missing access units. */ 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT burstPeriod; /* Data burst period in mili seconds. */ 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT holdOffFrames; /* Amount of frames that were already hold off due to buffer fullness condition not being met. */ 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT flags; /* Flags. */ 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Flag bitmasks for "flags" member of struct TRANSPORTDEC */ 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_SYNCOK 1 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_MINIMIZE_DELAY 2 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_IGNORE_BUFFERFULLNESS 4 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_EARLY_CONFIG 8 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_LOST_FRAMES_PENDING 16 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_CONFIG_FOUND 32 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectC_ALLOC_MEM(Ram_TransportDecoder, TRANSPORTDEC, 1) 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectC_ALLOC_MEM(Ram_TransportDecoderBuffer, UCHAR, TRANSPORTDEC_INBUF_SIZE) 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectHANDLE_TRANSPORTDEC transportDec_Open( const TRANSPORT_TYPE transportFmt, const UINT flags) 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC hInput; 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput = GetRam_TransportDecoder(0); 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( hInput == NULL ) { 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init transportDec struct. */ 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->transportFmt = transportFmt; 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (transportFmt) { 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (flags & TP_FLAG_MPEG4) 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->parser.adts.decoderCanDoMpeg4 = 1; 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->parser.adts.decoderCanDoMpeg4 = 0; 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsRead_CrcInit(&hInput->parser.adts); 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->parser.adts.BufferFullnesStartFlag = 1; 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->numberOfRawDataBlocks = 0; 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 187203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi case TT_DRM: 188203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi drmRead_CrcInit(&hInput->parser.drm); 189203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi break; 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportDecoder(&hInput); 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput = NULL; 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hInput != NULL) { 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Create bitstream */ 2055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( TT_IS_PACKET(transportFmt) ) { 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->bsBuffer = NULL; 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->bsBuffer = GetRam_TransportDecoderBuffer(0); 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hInput->bsBuffer == NULL) { 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_Close( &hInput ); 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return NULL; 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(&hInput->bitStream[0], hInput->bsBuffer, TRANSPORTDEC_INBUF_SIZE, 0, BS_READER); 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hInput->burstPeriod = 0; 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return hInput; 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_OutOfBandConfig(HANDLE_TRANSPORTDEC hTp, UCHAR *conf, const UINT length, UINT layer ) 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_BITSTREAM bs; 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &bs; 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKinitBitStream(hBs, conf, 0x10000000, length<<3, BS_READER); 2305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 2315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fConfigFound = 0; 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* config transport decoder */ 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (layer != 0) { 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_INVALID_PARAMETER; 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CLatmDemux *pLatmDemux = &hTp->parser.latm; 2435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = CLatmDemux_ReadStreamMuxConfig(hBs, pLatmDemux, &hTp->callbacks, hTp->asc, &fConfigFound); 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err != TRANSPORTDEC_OK) { 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fConfigFound = 1; 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = AudioSpecificConfig_Parse(&hTp->asc[layer], hBs, 1, &hTp->callbacks); 2525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 2535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int errC; 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[layer]); 2565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (errC != 0) { 2575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_PARSE_ERROR; 2585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 2595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 2605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 261203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi case TT_DRM: 262203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi fConfigFound = 1; 263203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi err = DrmRawSdcAudioConfig_Parse(&hTp->asc[layer], hBs); 264203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 265203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi int errC; 266203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi 267203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[layer]); 268203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi if (errC != 0) { 269203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi err = TRANSPORTDEC_PARSE_ERROR; 270203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi } 271203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi } 272203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi break; 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2755016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK && fConfigFound) { 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_CONFIG_FOUND; 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_RegisterAscCallback( HANDLE_TRANSPORTDEC hTpDec, const cbUpdateConfig_t cbUpdateConfig, void* user_data) 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpDec == NULL) { 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbUpdateConfig = cbUpdateConfig; 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbUpdateConfigData = user_data; 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_RegisterSscCallback( HANDLE_TRANSPORTDEC hTpDec, const cbSsc_t cbSsc, void* user_data) 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpDec == NULL) { 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSsc = cbSsc; 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSscData = user_data; 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_RegisterSbrCallback( HANDLE_TRANSPORTDEC hTpDec, const cbSbr_t cbSbr, void* user_data) 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpDec == NULL) { 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSbr = cbSbr; 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpDec->callbacks.cbSbrData = user_data; 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_FillData( 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const HANDLE_TRANSPORTDEC hTp, 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *pBuffer, 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const UINT bufferSize, 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT *pBytesValid, 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT layer ) 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs; 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp == NULL) 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project || (layer >= 2) ) { 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_INVALID_PARAMETER; 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*pBytesValid == 0) { 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* nothing to do */ 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set bitbuffer shortcut */ 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs = &hTp->bitStream[layer]; 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( TT_IS_PACKET(hTp->transportFmt) ) { 3355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks == 0) { 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* For packet based transport, pass input buffer to bitbuffer without copying the data. 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Unfortunately we do not know the actual buffer size. And the FDK bit buffer implementation 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project needs a number 2^x. So we assume the maximum of 48 channels with 6144 bits per channel 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project and round it up to the next power of 2 => 65536 bytes */ 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(hBs, pBuffer, 0x10000, (*pBytesValid)<<3, BS_READER); 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pBytesValid = 0; 3425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 3435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ... else feed bitbuffer with new stream data (append). */ 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->numberOfRawDataBlocks <= 0) { 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKfeedBuffer (hBs, pBuffer, bufferSize, pBytesValid) ; 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectHANDLE_FDK_BITSTREAM transportDec_GetBitstream( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return &hTp->bitStream[layer]; 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORT_TYPE transportDec_GetFormat( const HANDLE_TRANSPORTDEC hTp ) 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return hTp->transportFmt; 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportDec_GetBufferFullness( const HANDLE_TRANSPORTDEC hTp ) 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bufferFullness = -1; 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->parser.adts.bs.adts_fullness != 0x7ff) { 3702228e360595641dd906bf1773307f43d304f5b2The 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); 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->parser.latm.m_linfo[0][0].m_bufferFullness != 0xff) { 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness = hTp->parser.latm.m_linfo[0][0].m_bufferFullness; 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return bufferFullness; 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 3885016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \brief adjust bit stream position and the end of an access unit. 3895016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \param hTp transport decoder handle. 3905016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi * \return error code. 3915016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi */ 3925016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivistatic 3935016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel TriviTRANSPORTDEC_ERROR transportDec_AdjustEndOfAccessUnit(HANDLE_TRANSPORTDEC hTp) 3945016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi{ 3955016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream[0]; 3965016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 3975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 3985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi switch (hTp->transportFmt) { 3995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LOAS: 4005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP0: 4015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP1: 4025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( hTp->numberOfRawDataBlocks == 0 ) 4035016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Do byte align at the end of AudioMuxElement. */ 4055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKbyteAlign(hBs, hTp->globalFramePos); 4065016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Check global frame length */ 4085016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->transportFmt == TT_MP4_LOAS && hTp->parser.latm.m_audioMuxLengthBytes > 0) 4095016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int loasOffset; 4115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi loasOffset = (hTp->parser.latm.m_audioMuxLengthBytes*8 + FDKgetValidBits(hBs)) - hTp->globalFramePos; 4135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (loasOffset != 0) { 4145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushBiDirectional(hBs, loasOffset); 4155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* For ELD and other payloads there is an unknown amount of padding, so ignore unread bits, but 4165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi throw an error only if too many bits where read. */ 4175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (loasOffset < 0) { 4185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_PARSE_ERROR; 4195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4215016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4225016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4235016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_ADTS: 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 /* Calculate offset to end of AU */ 4315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi offset = hTp->parser.adts.rawDataBlockDist[hTp->parser.adts.bs.num_raw_blocks-hTp->numberOfRawDataBlocks]<<3; 4325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* CAUTION: The PCE (if available) is declared to be a part of the header! */ 4335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi offset -= hTp->accessUnitAnchor[0] - FDKgetValidBits(hBs) + 16 + hTp->parser.adts.bs.num_pce_bits; 4345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushBiDirectional(hBs, offset); 4355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->parser.adts.bs.num_raw_blocks > 0 && hTp->parser.adts.bs.protection_absent == 0) { 4375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Note this CRC read currently happens twice because of transportDec_CrcCheck() */ 4385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->parser.adts.crcReadValue = FDKreadBits(hBs, 16); 4395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( hTp->numberOfRawDataBlocks == 0 ) 4415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Check global frame length */ 4435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->parser.adts.bs.protection_absent == 0) 4445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 4455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int offset; 4465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi offset = (hTp->parser.adts.bs.frame_length*8 - ADTS_SYNCLENGTH + FDKgetValidBits(hBs)) - hTp->globalFramePos; 4485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (offset != 0) { 4495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushBiDirectional(hBs, offset); 4505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi default: 4565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 4575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 4585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi return err; 4605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi} 4615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 4635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi/** 4642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Determine additional buffer fullness contraint due to burst data reception. 4652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * The parameter TPDEC_PARAM_BURSTPERIOD must have been set as a precondition. 4662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param hTp transport decoder handle. 4672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bufferFullness the buffer fullness value of the first frame to be decoded. 4682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitsAvail the amount of available bits at the end of the first frame to be decoded. 4692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return error code 4702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 4712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 4722228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR additionalHoldOffNeeded( 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC hTp, 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bufferFullness, 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitsAvail 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 4772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT checkLengthBits, avgBitsPerFrame; 4792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT maxAU; /* maximum number of frames per Master Frame */ 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT samplesPerFrame = hTp->asc->m_samplesPerFrame; 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT samplingFrequency = (INT)hTp->asc->m_samplingFrequency; 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp->avgBitRate == 0) || (hTp->burstPeriod == 0) ) { 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (samplesPerFrame == 0 ) || (samplingFrequency == 0) ) { 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_NOT_ENOUGH_BITS; 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* One Master Frame is sent every hTp->burstPeriod ms */ 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxAU = hTp->burstPeriod * samplingFrequency + (samplesPerFrame*1000 - 1); 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxAU = maxAU / (samplesPerFrame*1000); 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Subtract number of frames which were already held off. */ 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxAU -= hTp->holdOffFrames; 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project avgBitsPerFrame = hTp->avgBitRate * samplesPerFrame + (samplingFrequency-1); 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project avgBitsPerFrame = avgBitsPerFrame / samplingFrequency; 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Consider worst case of bufferFullness quantization. */ 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness += 31; 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project checkLengthBits = bufferFullness + (maxAU-1)*avgBitsPerFrame; 5132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if buffer is big enough to fullfill buffer fullness condition */ 5152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (checkLengthBits /*+headerBits*/) > ((TRANSPORTDEC_INBUF_SIZE<<3)-7) ) { 5162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_SYNC_ERROR; 5172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( bitsAvail < checkLengthBits ) { 5202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_NOT_ENOUGH_BITS; 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 5232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 5242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivistatic TRANSPORTDEC_ERROR transportDec_readHeader( 5285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi HANDLE_TRANSPORTDEC hTp, 5295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi HANDLE_FDK_BITSTREAM hBs, 5305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int syncLength, 5315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int ignoreBufferFullness, 5325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pRawDataBlockLength, 5335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pfTraverseMoreFrames, 5345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pSyncLayerFrameBits, 5355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pfConfigFound, 5365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int *pHeaderBits 5375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ) 5382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 5405016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int rawDataBlockLength = *pRawDataBlockLength; 5415016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fTraverseMoreFrames = (pfTraverseMoreFrames != NULL) ? *pfTraverseMoreFrames : 0; 5425016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int syncLayerFrameBits = (pSyncLayerFrameBits != NULL) ? *pSyncLayerFrameBits : 0; 5435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fConfigFound = (pfConfigFound != NULL) ? *pfConfigFound : 0; 5445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int startPos; 5455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 5465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi startPos = FDKgetValidBits(hBs); 5472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 5495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_ADTS: 5505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks <= 0) 5512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int errC; 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->globalFramePos = FDKgetValidBits(hBs); 5555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 5565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Parse ADTS header */ 5575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = adtsRead_DecodeHeader( &hTp->parser.adts, &hTp->asc[0], hBs, ignoreBufferFullness ); 5585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_OK) { 5595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_NOT_ENOUGH_BITS) { 5605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 5615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[0]); 5645016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (errC != 0) { 5655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (errC == TRANSPORTDEC_NEED_TO_RESTART) { 5665016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_NEED_TO_RESTART; 5675016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi goto bail; 5685016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5695016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 5702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5715016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5725016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fConfigFound = 1; 5735016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = hTp->parser.adts.bs.num_raw_blocks+1; 5742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5765016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5775016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi else { 5785016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Reset CRC because the next bits are the beginning of a raw_data_block() */ 5795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKcrcReset(&hTp->parser.adts.crcInfo); 5805016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->parser.adts.bs.num_pce_bits = 0; 5815016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5825016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 5835016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks--; 5845016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi rawDataBlockLength = adtsRead_GetRawDataBlockLength(&hTp->parser.adts, (hTp->parser.adts.bs.num_raw_blocks-hTp->numberOfRawDataBlocks)); 5855016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (rawDataBlockLength <= 0) { 5865016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* No further frame traversal possible. */ 5875016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fTraverseMoreFrames = 0; 5885016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5895016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits = (hTp->parser.adts.bs.frame_length<<3) - (startPos - FDKgetValidBits(hBs)) - syncLength; 5905016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (syncLayerFrameBits <= 0) { 5915016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 5925016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5935016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 5945016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = 0; 5955016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 5965016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 5975016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LOAS: 5985016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks <= 0) 5995016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 6005016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits = FDKreadBits(hBs, 13); 6015016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->parser.latm.m_audioMuxLengthBytes = syncLayerFrameBits; 6025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits <<= 3; 6035016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6045016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP1: 6055016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP0: 6065016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->numberOfRawDataBlocks <= 0) 6075016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 6085016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->globalFramePos = FDKgetValidBits(hBs); 6092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = CLatmDemux_Read( 6115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hBs, 6125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &hTp->parser.latm, 6135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->transportFmt, 6145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &hTp->callbacks, 6155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->asc, 6165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &fConfigFound, 6175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ignoreBufferFullness); 6185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_OK) { 6205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_NOT_ENOUGH_BITS) { 6215016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 6225016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6235016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = CLatmDemux_GetNrOfSubFrames(&hTp->parser.latm); 6255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->transportFmt == TT_MP4_LOAS) { 6265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits -= startPos - FDKgetValidBits(hBs) - (13); 6275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6295016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6305016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = CLatmDemux_ReadPayloadLengthInfo(hBs, &hTp->parser.latm); 6315016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err != TRANSPORTDEC_OK) { 6325016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 6335016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6345016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6355016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_OK) { 6365016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi rawDataBlockLength = CLatmDemux_GetFrameLengthInBits(&hTp->parser.latm); 6375016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks--; 6385016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } else { 6395016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->numberOfRawDataBlocks = 0; 6402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 6435016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 6445016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLayerFrameBits = 0; 6455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivibail: 6505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pRawDataBlockLength = rawDataBlockLength; 6525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pHeaderBits != NULL) { 6545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pHeaderBits += startPos - (INT)FDKgetValidBits(hBs); 6555016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6565016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pfConfigFound != NULL) { 6575016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pfConfigFound = fConfigFound; 6585016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6595016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pfTraverseMoreFrames != NULL) { 6615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pfTraverseMoreFrames = fTraverseMoreFrames; 6625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pSyncLayerFrameBits != NULL) { 6645016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pSyncLayerFrameBits = syncLayerFrameBits; 6655016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6665016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (pfConfigFound != NULL) { 6675016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi *pfConfigFound = fConfigFound; 6685016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 6695016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 6702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 6712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* How many bits to advance for synchronization search. */ 6742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define TPDEC_SYNCSKIP 8 6752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 6772228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR synchronization( 6782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTDEC hTp, 6792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT *pHeaderBits 6802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 6812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 6822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK, errFirstFrame = TRANSPORTDEC_OK; 6832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream[0]; 6842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT syncLayerFrameBits = 0; /* Length of sync layer frame (i.e. LOAS) */ 6862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT rawDataBlockLength = 0, rawDataBlockLengthPrevious; 6872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT totalBits; 6882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT headerBits = 0, headerBitsFirstFrame = 0, headerBitsPrevious; 6895016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi INT numFramesTraversed = 0, fTraverseMoreFrames, fConfigFound = (hTp->flags & TPDEC_CONFIG_FOUND), startPosFirstFrame = -1; 6902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT numRawDataBlocksFirstFrame = 0, numRawDataBlocksPrevious, globalFramePosFirstFrame = 0, rawDataBlockLengthFirstFrame = 0; 6915016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi INT ignoreBufferFullness = hTp->flags & (TPDEC_LOST_FRAMES_PENDING|TPDEC_IGNORE_BUFFERFULLNESS|TPDEC_SYNCOK); 6922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Synch parameters */ 6942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT syncLength; /* Length of sync word in bits */ 6952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT syncWord; /* Sync word to be found */ 6962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT syncMask; /* Mask for sync word (for adding one bit, so comprising one bit less) */ 6972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_START(contextFirstFrame, transportdec_parser_t, 1); 6982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project totalBits = (INT)FDKgetValidBits(hBs); 7002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (totalBits <= 0) { 7025016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_NOT_ENOUGH_BITS; 7032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 7042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project fTraverseMoreFrames = (hTp->flags & (TPDEC_MINIMIZE_DELAY|TPDEC_EARLY_CONFIG)) && ! (hTp->flags & TPDEC_SYNCOK); 7072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set transport specific sync parameters */ 7092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 7102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 7112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncWord = ADTS_SYNCWORD; 7122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncLength = ADTS_SYNCLENGTH; 7132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 7152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncWord = 0x2B7; 7162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncLength = 11; 7172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 7192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncWord = 0; 7202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncLength = 0; 7212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project syncMask = (1<<syncLength)-1; 7252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 7272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitsAvail = 0; /* Bits available in bitstream buffer */ 7282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT checkLengthBits; /* Helper to check remaining bits and buffer boundaries */ 7292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT synch; /* Current sync word read from bitstream */ 7302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBitsPrevious = headerBits; 7322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail = (INT)FDKgetValidBits(hBs); 7342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->numberOfRawDataBlocks == 0) { 7362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* search synchword */ 7372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT( (bitsAvail % TPDEC_SYNCSKIP) == 0); 7392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ((bitsAvail-syncLength) < TPDEC_SYNCSKIP) { 7412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_NOT_ENOUGH_BITS; 7422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = 0; 7432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project synch = FDKreadBits(hBs, syncLength); 7462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(hTp->flags & TPDEC_SYNCOK) ) { 7482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (; (bitsAvail-syncLength) >= TPDEC_SYNCSKIP; bitsAvail-=TPDEC_SYNCSKIP) { 7492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (synch == syncWord) { 7502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 7512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project synch = ((synch << TPDEC_SYNCSKIP) & syncMask) | FDKreadBits(hBs, TPDEC_SYNCSKIP); 7532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (synch != syncWord) { 7562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* No correct syncword found. */ 7572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_SYNC_ERROR; 7582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_OK; 7602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = syncLength; 7622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 7642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = 0; 7652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Save previous raw data block data */ 7682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project rawDataBlockLengthPrevious = rawDataBlockLength; 7692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numRawDataBlocksPrevious = hTp->numberOfRawDataBlocks; 7702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Parse transport header (raw data block granularity) */ 7722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK ) 7742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 7755016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = transportDec_readHeader( 7765016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp, 7775016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hBs, 7785016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi syncLength, 7795016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ignoreBufferFullness, 7805016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &rawDataBlockLength, 7815016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &fTraverseMoreFrames, 7825016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &syncLayerFrameBits, 7835016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &fConfigFound, 7845016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi &headerBits 7855016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi ); 7862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail -= headerBits; 7892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project checkLengthBits = syncLayerFrameBits; 7912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if the whole frame would fit the bitstream buffer */ 7932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 7942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (checkLengthBits+headerBits) > ((TRANSPORTDEC_INBUF_SIZE<<3)-7) ) { 7952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* We assume that the size of the transport bit buffer has been 7962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project chosen to meet all system requirements, thus this condition 7972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project is considered a synchronisation error. */ 7982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_SYNC_ERROR; 7992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( bitsAvail < checkLengthBits ) { 8012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_NOT_ENOUGH_BITS; 8022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_NOT_ENOUGH_BITS) { 8072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_SYNC_ERROR) { 8122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bits; 8132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Enforce re-sync of transport headers. */ 8152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = 0; 8162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Ensure that the bit amount lands at a multiple of TPDEC_SYNCSKIP */ 8182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bits = (bitsAvail + headerBits) % TPDEC_SYNCSKIP; 8192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Rewind - TPDEC_SYNCSKIP, in order to look for a synch one bit ahead next time. */ 8202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, -(headerBits - TPDEC_SYNCSKIP) + bits); 8212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail += headerBits - TPDEC_SYNCSKIP - bits; 8225016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi headerBits = 0; 8232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Frame traversal */ 8262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( fTraverseMoreFrames ) 8272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Save parser context for early config discovery "rewind all frames" */ 8292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp->flags & TPDEC_EARLY_CONFIG) && !(hTp->flags & TPDEC_MINIMIZE_DELAY)) 8302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ignore buffer fullness if just traversing additional frames for ECD */ 8322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ignoreBufferFullness = 1; 8332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Save context in order to return later */ 8352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( err == TRANSPORTDEC_OK && startPosFirstFrame == -1 ) { 8362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project startPosFirstFrame = FDKgetValidBits(hBs); 8372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numRawDataBlocksFirstFrame = hTp->numberOfRawDataBlocks; 8382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project globalFramePosFirstFrame = hTp->globalFramePos; 8392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project rawDataBlockLengthFirstFrame = rawDataBlockLength; 8402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBitsFirstFrame = headerBits; 8412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project errFirstFrame = err; 8422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(contextFirstFrame, &hTp->parser, sizeof(transportdec_parser_t)); 8432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Break when config was found or it is not possible anymore to find a config */ 8465016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (startPosFirstFrame != -1 && (fConfigFound || err != TRANSPORTDEC_OK)) 8475016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 8485016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* In case of ECD and sync error, do not rewind anywhere. */ 8495016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (err == TRANSPORTDEC_SYNC_ERROR) 8505016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 8515016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi startPosFirstFrame = -1; 8525016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi fConfigFound = 0; 8535016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi numFramesTraversed = 0; 8545016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 8552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 8562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 8602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushFor(hBs, rawDataBlockLength); 8612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitsAvail -= rawDataBlockLength; 8622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numFramesTraversed++; 8632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Ignore error here itentionally. */ 8642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_AdjustEndOfAccessUnit(hTp); 8652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while ( fTraverseMoreFrames || (err == TRANSPORTDEC_SYNC_ERROR && !(hTp->flags & TPDEC_SYNCOK))); 8682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Restore context in case of ECD frame traversal */ 8702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( startPosFirstFrame != -1 && (fConfigFound || err != TRANSPORTDEC_OK) ) { 8712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBiDirectional(hBs, FDKgetValidBits(hBs) - startPosFirstFrame); 8722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(&hTp->parser, contextFirstFrame, sizeof(transportdec_parser_t)); 8732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = numRawDataBlocksFirstFrame; 8742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->globalFramePos = globalFramePosFirstFrame; 8752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project rawDataBlockLength = rawDataBlockLengthFirstFrame; 8762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = headerBitsFirstFrame; 8772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = errFirstFrame; 8782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project numFramesTraversed = 0; 8792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Additional burst data mode buffer fullness check. */ 8825016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( !(hTp->flags & (TPDEC_LOST_FRAMES_PENDING|TPDEC_IGNORE_BUFFERFULLNESS|TPDEC_SYNCOK)) && err == TRANSPORTDEC_OK) { 8832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = additionalHoldOffNeeded(hTp, transportDec_GetBufferFullness(hTp), FDKgetValidBits(hBs) - syncLayerFrameBits); 8842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_NOT_ENOUGH_BITS) { 8852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->holdOffFrames++; 8862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Rewind for retry because of not enough bits */ 8902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_NOT_ENOUGH_BITS) { 8912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, headerBits); 8922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = 0; 8932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 8952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* reset hold off frame counter */ 8962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->holdOffFrames = 0; 8972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Return to last good frame in case of frame traversal but not ECD. */ 9002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (numFramesTraversed > 0) { 9012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, rawDataBlockLengthPrevious); 9022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err != TRANSPORTDEC_OK) { 9032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = numRawDataBlocksPrevious; 9042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project headerBits = headerBitsPrevious; 9052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_OK; 9072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 9102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[0] = rawDataBlockLength; 9112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi /* Detect pointless TRANSPORTDEC_NOT_ENOUGH_BITS error case, were the bit buffer is already full, 9135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi or no new burst packet fits. Recover by advancing the bit buffer. */ 9145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( (TRANSPORTDEC_NOT_ENOUGH_BITS == err) && (FDKgetValidBits(hBs) >= ((TRANSPORTDEC_INBUF_SIZE*8 - ((hTp->avgBitRate*hTp->burstPeriod)/1000)) - 7)) ) 9155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 9165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi FDKpushFor(hBs, TPDEC_SYNCSKIP); 9175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_SYNC_ERROR; 9185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 9195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 9202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 9212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_SYNCOK; 9222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (fConfigFound) { 9255016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->flags |= TPDEC_CONFIG_FOUND; 9265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 9275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 9282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pHeaderBits != NULL) { 9292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pHeaderBits = headerBits; 9302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_SYNC_ERROR) { 9332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_SYNCOK; 9342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project C_ALLOC_SCRATCH_END(contextFirstFrame, transportdec_parser_t, 1); 9372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 9392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 9402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 9422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Synchronize to stream and estimate the amount of missing access units due 9432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * to a current synchronization error in case of constant average bit rate. 9442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 9452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic 9462228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_readStream ( HANDLE_TRANSPORTDEC hTp, const UINT layer ) 9472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 9482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR error = TRANSPORTDEC_OK; 9502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream[layer]; 9512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nAU = -1; 9522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT headerBits; 9532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitDistance, bfDelta; 9542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Obtain distance to next synch word */ 9562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitDistance = FDKgetValidBits(hBs); 9572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = synchronization(hTp, &headerBits); 9582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitDistance -= FDKgetValidBits(hBs); 9592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(bitDistance >= 0); 9622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error == TRANSPORTDEC_SYNC_ERROR || (hTp->flags & TPDEC_LOST_FRAMES_PENDING)) 9642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if estimating lost access units is feasible. */ 9662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->avgBitRate > 0 && hTp->asc[0].m_samplesPerFrame > 0 && hTp->asc[0].m_samplingFrequency > 0) 9672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error == TRANSPORTDEC_OK) 9692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int aj; 9712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aj = transportDec_GetBufferFullness(hTp); 9732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (aj > 0) { 9742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = aj; 9752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = 0; 9772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* sync was ok: last of a series of bad access units. */ 9792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_LOST_FRAMES_PENDING; 9802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Add up bitDistance until end of the current frame. Later we substract 9812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project this frame from the grand total, since this current successfully synchronized 9822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frame should not be skipped of course; but it must be accounted into the 9832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferfulness math. */ 9842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitDistance += hTp->auLength[0]; 9852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !(hTp->flags & TPDEC_LOST_FRAMES_PENDING) ) { 9872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* sync not ok: one of many bad access units. */ 9882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_LOST_FRAMES_PENDING; 9892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = - (INT)hTp->lastValidBufferFullness; 9902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 9912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bfDelta = 0; 9922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 9962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int num, denom; 9972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Obtain estimate of number of lost frames */ 9992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project num = hTp->asc[0].m_samplingFrequency * (bfDelta + bitDistance) + hTp->remainder; 10002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project denom = hTp->avgBitRate * hTp->asc[0].m_samplesPerFrame; 10012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (num > 0) { 10022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nAU = num / denom; 10032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = num % denom; 10042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 10052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = num; 10062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error == TRANSPORTDEC_OK) 10092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Final adjustment of remainder, taken -1 into account because current 10112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frame should not be skipped, thus substract -1 or do nothing instead 10122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project of +1-1 accordingly. */ 10132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (denom - hTp->remainder) >= hTp->remainder ) { 10142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nAU--; 10152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nAU < 0) { 10182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* There was one frame too much concealed, so unfortunately we will have to skip one good frame. */ 10192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportDec_EndAccessUnit(hTp); 10202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = synchronization(hTp, &headerBits); 10212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nAU = -1; 10222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef DEBUG 10232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprintf("ERROR: Bufferfullness accounting failed. remainder=%d, nAU=%d\n", hTp->remainder, nAU); 10242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 10252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = 0; 10272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Enforce last missed frames to be concealed. */ 10282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nAU > 0) { 10292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKpushBack(hBs, headerBits); 10302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Be sure that lost frames are handled correctly. This is necessary due to some 10372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sync error sequences where later it turns out that there is not enough data, but 10382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project the bits upto the sync word are discarded, thus causing a value of nAU > 0 */ 10392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (nAU > 0) { 10402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = TRANSPORTDEC_SYNC_ERROR; 10412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->missingAccessUnits = nAU; 10442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 10462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 10472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* returns error code */ 10492228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_ReadAccessUnit( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 10502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 10512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 10522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs; 10532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!hTp) { 10552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_INVALID_PARAMETER; 10562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs = &hTp->bitStream[layer]; 10592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10605016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ((INT)FDKgetValidBits(hBs) <= 0) { 10615016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = TRANSPORTDEC_NOT_ENOUGH_BITS; 10625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 10635016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 10642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 10652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 10672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Read header if not already done */ 10682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!(hTp->flags & TPDEC_CONFIG_FOUND)) 10692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CProgramConfig *pce; 10712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AudioSpecificConfig_Init(&hTp->asc[0]); 10732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pce = &hTp->asc[0].m_progrConfigElement; 10742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = adifRead_DecodeHeader(&hTp->parser.adif, pce, hBs); 10752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err) 10762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Map adif header to ASC */ 10792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_aot = (AUDIO_OBJECT_TYPE)(pce->Profile + 1); 10802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_samplingFrequencyIndex = pce->SamplingFrequencyIndex; 10812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_samplingFrequency = SamplingRateTable[pce->SamplingFrequencyIndex]; 10822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_channelConfiguration = 0; 10832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->asc[0].m_samplesPerFrame = 1024; 10842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->avgBitRate = hTp->parser.adif.BitRate; 10852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Call callback to decoder. */ 10872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 10882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int errC; 10892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project errC = hTp->callbacks.cbUpdateConfig(hTp->callbacks.cbUpdateConfigData, &hTp->asc[0]); 10912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (errC == 0) { 10922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_CONFIG_FOUND; 10932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 10942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_PARSE_ERROR; 10952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 10962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[layer] = -1; /* Access Unit data length is unknown. */ 11002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 1103203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi case TT_DRM: 11042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* One Access Unit was filled into buffer. 11052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project So get the length out of the buffer. */ 11062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[layer] = FDKgetValidBits(hBs); 11072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_SYNCOK; 11082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11105016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP0: 11115016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi case TT_MP4_LATM_MCP1: 11125016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi { 11135016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi int fConfigFound = hTp->flags & TPDEC_CONFIG_FOUND; 11145016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi err = transportDec_readHeader(hTp, hBs, 0, 1, &hTp->auLength[layer], NULL, NULL, &fConfigFound, NULL); 11155016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (fConfigFound) { 11165016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->flags |= TPDEC_CONFIG_FOUND; 11175016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 11185016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 11195016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi break; 11205016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 11212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 11222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 11232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = transportDec_readStream(hTp, layer); 11242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 11272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTDEC_UNSUPPORTED_FORMAT; 11282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (err == TRANSPORTDEC_OK) { 11322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->accessUnitAnchor[layer] = FDKgetValidBits(hBs); 11332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->accessUnitAnchor[layer] = 0; 11352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 11382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 11392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11412228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportDec_GetAuBitsRemaining( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 11422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bits; 11442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->accessUnitAnchor[layer] > 0 && hTp->auLength[layer] > 0) { 11462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bits = hTp->auLength[layer] - (hTp->accessUnitAnchor[layer] - FDKgetValidBits(&hTp->bitStream[layer])); 11472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bits = FDKgetValidBits(&hTp->bitStream[layer]); 11492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return bits; 11522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11542228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportDec_GetAuBitsTotal( const HANDLE_TRANSPORTDEC hTp, const UINT layer ) 11552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return hTp->auLength[layer]; 11572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_GetMissingAccessUnitCount ( INT *pNAccessUnits, HANDLE_TRANSPORTDEC hTp ) 11602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pNAccessUnits = hTp->missingAccessUnits; 11622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 11642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Inform the transportDec layer that reading of access unit has finished. */ 11672228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_EndAccessUnit(HANDLE_TRANSPORTDEC hTp) 11682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR err = TRANSPORTDEC_OK; 11702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11715016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi 11722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = transportDec_AdjustEndOfAccessUnit(hTp); 11732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 11752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 11762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 11802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 11812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11822228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_SetParam ( const HANDLE_TRANSPORTDEC hTp, 11832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const TPDEC_PARAM param, 11842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT value) 11852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 11862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTDEC_ERROR error = TRANSPORTDEC_OK; 11872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 11882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (param) { 11892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_MINIMIZE_DELAY: 11902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (value) { 11912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_MINIMIZE_DELAY; 11922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 11932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_MINIMIZE_DELAY; 11942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 11952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 11962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_EARLY_CONFIG: 11972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (value) { 11982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_EARLY_CONFIG; 11992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 12002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_EARLY_CONFIG; 12012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_IGNORE_BUFFERFULLNESS: 12042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (value) { 12052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags |= TPDEC_IGNORE_BUFFERFULLNESS; 12062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 12072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~TPDEC_IGNORE_BUFFERFULLNESS; 12082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_SET_BITRATE: 12112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->avgBitRate = value; 12122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_BURST_PERIOD: 12142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->burstPeriod = value; 12152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TPDEC_PARAM_RESET: 12172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 12192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i=0; i<(1*2); i++) { 12212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKresetBitbuffer(&hTp->bitStream[i]); 12222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->auLength[i] = 0; 12232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->accessUnitAnchor[i] = 0; 12245016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 12252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->flags &= ~(TPDEC_SYNCOK|TPDEC_LOST_FRAMES_PENDING); 12265016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if (hTp->transportFmt != TT_MP4_ADIF) { 12275016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi hTp->flags &= ~TPDEC_CONFIG_FOUND; 12285016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi } 12292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->remainder = 0; 12302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->avgBitRate = 0; 12312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->missingAccessUnits = 0; 12322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->numberOfRawDataBlocks = 0; 12332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->globalFramePos = 0; 12342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->holdOffFrames = 0; 12352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 12372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 12402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectUINT transportDec_GetNrOfSubFrames(HANDLE_TRANSPORTDEC hTp) 12432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT nSubFrames = 0; 12452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp == NULL) 12472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 12482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->transportFmt==TT_MP4_LATM_MCP1 || hTp->transportFmt==TT_MP4_LATM_MCP0 || hTp->transportFmt==TT_MP4_LOAS) 12502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nSubFrames = CLatmDemux_GetNrOfSubFrames(&hTp->parser.latm); 12512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else if (hTp->transportFmt==TT_MP4_ADTS) 12522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nSubFrames = hTp->parser.adts.bs.num_raw_blocks; 12532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return nSubFrames; 12552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid transportDec_Close(HANDLE_TRANSPORTDEC *phTp) 12582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (phTp != NULL) 12602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 12612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*phTp != NULL) { 12625016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi if ( ! TT_IS_PACKET((*phTp)->transportFmt) ) { 12632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportDecoderBuffer(&(*phTp)->bsBuffer); 12642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*phTp != NULL) { 12662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportDecoder(phTp); 12672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 12712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12722228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_GetLibInfo( LIB_INFO *info ) 12732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 12742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 12752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (info == NULL) { 12772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_UNKOWN_ERROR; 12782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* search for next free tab */ 12812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i = 0; i < FDK_MODULE_LAST; i++) { 12822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (info[i].module_id == FDK_NONE) break; 12832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 12842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (i == FDK_MODULE_LAST) return TRANSPORTDEC_UNKOWN_ERROR; 12852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info += i; 12862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 12872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->module_id = FDK_TPDEC; 12886e8330732f61d1da1485fc07b61444f490d5e623Dan Willemsen#ifdef __ANDROID__ 12896e8330732f61d1da1485fc07b61444f490d5e623Dan Willemsen info->build_date = ""; 12906e8330732f61d1da1485fc07b61444f490d5e623Dan Willemsen info->build_time = ""; 12916e8330732f61d1da1485fc07b61444f490d5e623Dan Willemsen#else 12922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->build_date = __DATE__; 12932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->build_time = __TIME__; 12946e8330732f61d1da1485fc07b61444f490d5e623Dan Willemsen#endif 12952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->title = TP_LIB_TITLE; 12962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->version = LIB_VERSION(TP_LIB_VL0, TP_LIB_VL1, TP_LIB_VL2); 12972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LIB_VERSION_STRING(info); 12982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->flags = 0 12992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_ADIF 13002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_ADTS 13012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_LATM 13022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_LOAS 13032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_RAWPACKETS 1304203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi | CAPF_DRM 13052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ; 13062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; /* FDKERR_NOERROR; */ 13082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 13092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportDec_CrcStartReg(HANDLE_TRANSPORTDEC pTp, INT mBits) 13122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 13132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pTp->transportFmt) { 13142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 13152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return adtsRead_CrcStartReg(&pTp->parser.adts, &pTp->bitStream[0], mBits); 1316203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi case TT_DRM: 1317203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi return drmRead_CrcStartReg(&pTp->parser.drm, &pTp->bitStream[0], mBits); 13182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 13192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 13202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 13222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid transportDec_CrcEndReg(HANDLE_TRANSPORTDEC pTp, INT reg) 13242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 13252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pTp->transportFmt) { 13262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 13272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsRead_CrcEndReg(&pTp->parser.adts, &pTp->bitStream[0], reg); 13282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 1329203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi case TT_DRM: 1330203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi drmRead_CrcEndReg(&pTp->parser.drm, &pTp->bitStream[0], reg); 1331203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi break; 13322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 13332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 13342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 13362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTDEC_ERROR transportDec_CrcCheck(HANDLE_TRANSPORTDEC pTp) 13382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 13392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (pTp->transportFmt) { 13402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 13412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (pTp->parser.adts.bs.num_raw_blocks > 0) && (pTp->parser.adts.bs.protection_absent == 0) ) 13422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 13432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &pTp->bitStream[0]; 13442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 13455016eb7f6582fbb2d72d79be782325a12df08864Jean-Michel Trivi transportDec_AdjustEndOfAccessUnit(pTp); 13462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return adtsRead_CrcCheck(&pTp->parser.adts); 1348203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi case TT_DRM: 1349203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi return drmRead_CrcCheck(&pTp->parser.drm); 1350203e3f28fbebec7011342017fafc2a0bda0ce530Jean-Michel Trivi break; 13512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 13522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTDEC_OK; 13532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 13542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1355