12228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 22228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* ----------------------------------------------------------------------------------------------------------- 32228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectSoftware License for The Fraunhofer FDK AAC Codec Library for Android 42228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 54f0d97057c5c640b25518358886f8c47da9fc052Jean-Michel Trivi� Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur F�rderung der angewandten Forschung e.V. 62228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project All rights reserved. 72228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 82228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1. INTRODUCTION 92228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements 102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. 112228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is intended to be used on a wide variety of Android devices. 122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 132228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual 142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectaudio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by 152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindependent studies and is widely deployed. AAC has been standardized by ISO and IEC as part 162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof the MPEG specifications. 172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 182228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectPatent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) 192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmay be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners 202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindividually for the purpose of encoding or decoding bit streams in products that are compliant with 212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license 222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthese patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec 232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware may already be covered under those patent licenses when it is used for those licensed purposes only. 242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 252228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCommercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, 262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectare also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional 272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectapplications information and documentation. 282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project2. COPYRIGHT LICENSE 302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 312228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectRedistribution and use in source and binary forms, with or without modification, are permitted without 322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectpayment of copyright license fees provided that you satisfy the following conditions: 332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 342228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in redistributions of the FDK AAC Codec or 352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectyour modifications thereto in source code form. 362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in the documentation and/or other materials 382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprovided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. 392228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must make available free of charge copies of the complete source code of the FDK AAC Codec and your 402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmodifications thereto to recipients of copies in binary form. 412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe name of Fraunhofer may not be used to endorse or promote products derived from this library without 432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprior written permission. 442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 452228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec 462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware or your modifications thereto. 472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 482228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYour modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software 492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectand the date of any change. For modified versions of the FDK AAC Codec, the term 502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term 512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." 522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project3. NO PATENT LICENSE 542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectNO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, 562228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with 572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectrespect to this software. 582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized 602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectby appropriate patent licenses. 612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project4. DISCLAIMER 632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 642228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors 652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties 662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 672228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, 682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectincluding but not limited to procurement of substitute goods or services; loss of use, data, or profits, 692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projector business interruption, however caused and on any theory of liability, whether in contract, strict 702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectliability, or tort (including negligence), arising in any way out of the use of this software, even if 712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectadvised of the possibility of such damage. 722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project5. CONTACT INFORMATION 742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 752228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectFraunhofer Institute for Integrated Circuits IIS 762228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAttention: Audio and Multimedia Departments - FDK AAC LL 772228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAm Wolfsmantel 33 782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project91058 Erlangen, Germany 792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectwww.iis.fraunhofer.de/amm 812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectamm-info@iis.fraunhofer.de 822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project----------------------------------------------------------------------------------------------------------- */ 832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/************************** MPEG-4 Transport Encoder ************************ 852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Author(s): Manuel Jander 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Description: MPEG Transport encode 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpenc_lib.h" 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* library info */ 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "version" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MODULE_NAME "transportEnc" 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpenc_asc.h" 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "conv_string.h" 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpenc_adts.h" 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpenc_adif.h" 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpenc_latm.h" 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int curSubFrame; 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int nSubFrames; 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int prevBits; 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} RAWPACKETS_INFO; 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstruct TRANSPORTENC 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CODER_CONFIG config; 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORT_TYPE transportFmt; /*!< MPEG4 transport type. */ 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_BITSTREAM bitStream; 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *bsBuffer; 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bsBufferSize; 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT pceFrameCounter; /*!< Indicates frame period when PCE must be written in raw_data_block. 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project -1 means not to write a PCE in raw_dat_block. */ 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project union { 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project STRUCT_ADTS adts; 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ADIF_INFO adif; 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LATM_STREAM latm; 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project RAWPACKETS_INFO raw; 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } writer; 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CSTpCallBacks callbacks; 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct _TRANSPORTENC_STRUCT TRANSPORTENC_STRUCT; 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * MEMORY Declaration 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectC_ALLOC_MEM(Ram_TransportEncoder, TRANSPORTENC, 1) 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_Open( HANDLE_TRANSPORTENC *phTpEnc ) 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 15316c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi HANDLE_TRANSPORTENC hTpEnc; 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15516c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi if ( phTpEnc == NULL ){ 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 15916c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi hTpEnc = GetRam_TransportEncoder(0); 16016c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi 16116c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi if ( hTpEnc == NULL ) { 16216c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi return TRANSPORTENC_NO_MEM; 16316c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi } 16416c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *phTpEnc = hTpEnc; 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_OK; 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Get frame period of PCE in raw_data_block. 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - Write PCE only if necessary. PCE can be part of the ASC if chConfig==0 whererfore 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * no additonal PCE will be written in raw_data_block. 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - A matrixMixdown coefficient can only be written if chConfig is 5.0 or 5.1. 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * - The PCE repetition rate in raw_data_block can be controlled via headerPeriod parameter. 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param channelConfig Channel Configuration derived from Channel Mode 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param transportFmt Format of the transport to be written. 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param headerPeriod Chosen PCE frame repetition rate. 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param matrixMixdownA Indicates if a valid Matrix Mixdown coefficient is available. 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return PCE frame repetition rate. -1 means no PCE present in raw_data_block. 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic INT getPceRepetitionRate( 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int channelConfig, 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const TRANSPORT_TYPE transportFmt, 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int headerPeriod, 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const int matrixMixdownA 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT pceFrameCounter = -1; /* variable to be returned */ 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (headerPeriod>0) { 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch ( channelConfig ) { 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 0: 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (transportFmt) { 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pceFrameCounter = headerPeriod; 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: /* ADIF header comprises PCE */ 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: /* PCE in ASC if chChonfig==0 */ 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: /* PCE in ASC if chChonfig==0 */ 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_DRM: /* PCE not allowed in DRM */ 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pceFrameCounter = -1; /* no PCE in raw_data_block */ 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 5: /* MODE_1_2_2 */ 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 6: /* MODE_1_2_2_1 */ 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* matrixMixdownCoefficient can only be written if 5.0 and 5.1 config present. */ 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (matrixMixdownA!=0) { 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (transportFmt) { 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: /* ADIF header comprises PCE */ 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: /* no PCE in ASC because chConfig!=0 */ 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: /* no PCE in ASC because chConfig!=0 */ 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pceFrameCounter = headerPeriod; 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_DRM: /* PCE not allowed in DRM */ 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pceFrameCounter = -1; /* no PCE in raw_data_block */ 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* switch transportFmt */ 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* if matrixMixdownA!=0 */ 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pceFrameCounter = -1; /* no PCE in raw_data_block */ 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* switch getChannelConfig() */ 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* if headerPeriod>0 */ 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project pceFrameCounter = -1; /* no PCE in raw_data_block */ 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return pceFrameCounter; 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_Init( 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *bsBuffer, 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bsBufferSize, 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORT_TYPE transportFmt, 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CODER_CONFIG *cconfig, 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT flags 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Copy configuration structure */ 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemcpy(&hTpEnc->config, cconfig, sizeof(CODER_CONFIG)); 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Init transportEnc struct. */ 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->transportFmt = transportFmt; 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->bsBuffer = bsBuffer; 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->bsBufferSize = bsBufferSize; 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(&hTpEnc->bitStream, hTpEnc->bsBuffer, hTpEnc->bsBufferSize, 0, BS_WRITER); 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (transportFmt) { 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Sanity checks */ 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTpEnc->config.aot != AOT_AAC_LC) 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ||(hTpEnc->config.samplesPerFrame != 1024)) 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.headerWritten = 0; 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.samplingRate = hTpEnc->config.samplingRate; 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.bitRate = hTpEnc->config.bitRate; 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.profile = ((int)hTpEnc->config.aot) - 1; 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.cm = hTpEnc->config.channelMode; 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.bVariableRate = 0; 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adif.instanceTag = 0; 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Sanity checks */ 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ( hTpEnc->config.aot != AOT_AAC_LC) 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ||(hTpEnc->config.samplesPerFrame != 1024) ) 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( adtsWrite_Init(&hTpEnc->writer.adts, &hTpEnc->config) != 0) { 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTENC_ERROR error; 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project error = transportEnc_Latm_Init( 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTpEnc->writer.latm, 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTpEnc->bitStream, 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTpEnc->config, 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project flags & TP_FLAG_LATM_AMV, 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportFmt, 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTpEnc->callbacks 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (error != TRANSPORTENC_OK) { 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return error; 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.raw.curSubFrame = 0; 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.raw.nSubFrames = hTpEnc->config.nSubFrames; 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* pceFrameCounter indicates if PCE must be written in raw_data_block. */ 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->pceFrameCounter = getPceRepetitionRate( 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project getChannelConfig(hTpEnc->config.channelMode), 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportFmt, 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->config.headerPeriod, 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->config.matrixMixdownA); 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_OK; 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectHANDLE_FDK_BITSTREAM transportEnc_GetBitstream( HANDLE_TRANSPORTENC hTp ) 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return &hTp->bitStream; 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportEnc_RegisterSbrCallback( HANDLE_TRANSPORTENC hTpEnc, const cbSbr_t cbSbr, void* user_data) 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpEnc == NULL) { 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return -1; 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->callbacks.cbSbr = cbSbr; 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->callbacks.cbSbrData = user_data; 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return 0; 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_WriteAccessUnit( 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTp, 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT frameUsedBits, 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int bufferFullness, 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ncc 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTENC_ERROR err = TRANSPORTENC_OK; 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!hTp) { 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &hTp->bitStream; 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* In case of writing PCE in raw_data_block frameUsedBits must be adapted. */ 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->pceFrameCounter>=hTp->config.headerPeriod) { 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frameUsedBits += transportEnc_GetPCEBits(hTp->config.channelMode, hTp->config.matrixMixdownA, 3); /* Consider 3 bits ID signalling in alignment */ 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(&hTp->bitStream, hTp->bsBuffer, hTp->bsBufferSize, 0, BS_WRITER); 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adifWrite_EncodeHeader( 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTp->writer.adif, 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness /= ncc; /* Number of Considered Channels */ 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness /= 32; 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness = FDKmin(0x7FF, bufferFullness); /* Signal variable rate */ 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsWrite_EncodeHeader( 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTp->writer.adts, 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTp->bitStream, 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness, 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frameUsedBits 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 3882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 3892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness /= ncc; /* Number of Considered Channels */ 3902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness /= 32; 3912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness = FDKmin(0xFF, bufferFullness); /* Signal variable rate */ 3922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportEnc_LatmWrite( 3932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTp->writer.latm, 3942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hBs, 3952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project frameUsedBits, 3962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bufferFullness, 3972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hTp->callbacks 3982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 4012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->writer.raw.curSubFrame >= hTp->writer.raw.nSubFrames) { 4022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->writer.raw.curSubFrame = 0; 4032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKinitBitStream(&hTp->bitStream, hTp->bsBuffer, hTp->bsBufferSize, 0, BS_WRITER); 4042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->writer.raw.prevBits = FDKgetValidBits(hBs); 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project err = TRANSPORTENC_UNSUPPORTED_FORMAT; 4092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Write PCE in raw_data_block if required */ 4132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->pceFrameCounter>=hTp->config.headerPeriod) { 4142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT crcIndex = 0; 4152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Align inside PCE with repsect to the first bit of the raw_data_block() */ 4162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT alignAnchor = FDKgetValidBits(&hTp->bitStream); 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Write PCE element ID bits */ 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKwriteBits(&hTp->bitStream, ID_PCE, 3); 4202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp->transportFmt==TT_MP4_ADTS) && !hTp->writer.adts.protection_absent) { 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcIndex = adtsWrite_CrcStartReg(&hTp->writer.adts, &hTp->bitStream, 0); 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Write PCE as first raw_data_block element */ 42616c472c201c197d3660334df5952eb4084897f9fJean-Michel Trivi transportEnc_writePCE(&hTp->bitStream, hTp->config.channelMode, hTp->config.samplingRate, 0, 1, hTp->config.matrixMixdownA, (hTp->config.flags&CC_PSEUDO_SURROUND)?1:0, alignAnchor); 4272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (hTp->transportFmt==TT_MP4_ADTS) && !hTp->writer.adts.protection_absent) { 4292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsWrite_CrcEndReg(&hTp->writer.adts, &hTp->bitStream, crcIndex); 4302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->pceFrameCounter = 0; /* reset pce frame counter */ 4322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->pceFrameCounter!=-1) { 4352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->pceFrameCounter++; /* Update pceFrameCounter only if PCE writing is active. */ 4362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return err; 4392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_EndAccessUnit(HANDLE_TRANSPORTENC hTp, int *bits) 4432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 4452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 4462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 4472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 4482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportEnc_LatmAdjustSubframeBits(&hTp->writer.latm, bits); 4492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 4512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsWrite_EndRawDataBlock(&hTp->writer.adts, &hTp->bitStream, bits); 4522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 4542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Substract ADIF header from AU bits, not to be considered. */ 4552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *bits -= adifWrite_GetHeaderBits(&hTp->writer.adif); 4562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTp->writer.adif.headerWritten = 1; 4572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 4592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *bits -= hTp->writer.raw.prevBits; 4602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_OK; 4662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 4672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4682228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_GetFrame(HANDLE_TRANSPORTENC hTpEnc, int *nbytes) 4692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 4702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_FDK_BITSTREAM hBs = &hTpEnc->bitStream; 4712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTpEnc->transportFmt) { 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *nbytes = hTpEnc->bsBufferSize; 4772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportEnc_LatmGetFrame(&hTpEnc->writer.latm, hBs, nbytes); 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpEnc->writer.adts.currentBlock >= hTpEnc->writer.adts.num_raw_blocks+1) { 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *nbytes = (FDKgetValidBits(hBs) + 7)>>3; 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.adts.currentBlock = 0; 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *nbytes = 0; 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT((INT)FDKgetValidBits(hBs) >= 0); 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *nbytes = (FDKgetValidBits(hBs) + 7)>>3; 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKsyncCache(hBs); 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc->writer.raw.curSubFrame++; 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *nbytes = ((FDKgetValidBits(hBs)-hTpEnc->writer.raw.prevBits) + 7)>>3; 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_OK; 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT transportEnc_GetStaticBits( HANDLE_TRANSPORTENC hTp, int auBits ) 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nbits = 0, nPceBits = 0; 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Write PCE within raw_data_block in transport lib. */ 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTp->pceFrameCounter>=hTp->config.headerPeriod) { 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nPceBits = transportEnc_GetPCEBits(hTp->config.channelMode, hTp->config.matrixMixdownA, 3); /* Consider 3 bits ID signalling in alignment */ 5102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project auBits += nPceBits; /* Adapt required raw_data_block bit consumtpion for AU length information e.g. in LATM/LOAS configuration. */ 5112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTp->transportFmt) { 5142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADIF: 5152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_RAW: 5162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nbits = 0; /* Do not consider the ADIF header into the total bitrate */ 5172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 5192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nbits = adtsWrite_GetHeaderBits(&hTp->writer.adts); 5202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 5232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 5242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nbits = transportEnc_LatmCountTotalBitDemandHeader( &hTp->writer.latm, auBits ); 5252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 5272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nbits = 0; 5282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* PCE is written in the transport library therefore the bit consumption is part of the transport static bits. */ 5322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nbits += nPceBits; 5332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return nbits; 5352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid transportEnc_Close(HANDLE_TRANSPORTENC *phTp) 5382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (phTp != NULL) 5402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*phTp != NULL) { 5422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_TransportEncoder(phTp); 5432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectint transportEnc_CrcStartReg(HANDLE_TRANSPORTENC hTpEnc, int mBits) 5482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int crcReg = 0; 5502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTpEnc->transportFmt) { 5522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project crcReg = adtsWrite_CrcStartReg(&hTpEnc->writer.adts, &hTpEnc->bitStream, mBits); 5542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 5562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return crcReg; 5602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid transportEnc_CrcEndReg(HANDLE_TRANSPORTENC hTpEnc, int reg) 5632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTpEnc->transportFmt) { 5652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_ADTS: 5662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project adtsWrite_CrcEndReg(&hTpEnc->writer.adts, &hTpEnc->bitStream, reg); 5672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 5692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 5722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5742228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_GetConf(HANDLE_TRANSPORTENC hTpEnc, 5752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CODER_CONFIG *cc, 5762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_BITSTREAM *dataBuffer, 5772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT *confType) 5782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 5792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project TRANSPORTENC_ERROR tpErr = TRANSPORTENC_OK; 5802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_LATM_STREAM hLatmConfig = &hTpEnc->writer.latm; 5812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *confType = 0; /* set confType variable to default */ 5832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* write StreamMuxConfig or AudioSpecificConfig depending on format used */ 5852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hTpEnc->transportFmt) 5862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP0: 5882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LATM_MCP1: 5892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case TT_MP4_LOAS: 5902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tpErr = CreateStreamMuxConfig(hLatmConfig, dataBuffer, 0, &hTpEnc->callbacks); 5912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *confType = 1; /* config is SMC */ 5922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 5932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 5942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (transportEnc_writeASC(dataBuffer, cc, &hTpEnc->callbacks) != 0) { 5952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tpErr = TRANSPORTENC_UNKOWN_ERROR; 5962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return tpErr; 6002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6032228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectTRANSPORTENC_ERROR transportEnc_GetLibInfo( LIB_INFO *info ) 6042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 6052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int i; 6062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (info == NULL) { 6082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_INVALID_PARAMETER; 6092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* search for next free tab */ 6112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (i = 0; i < FDK_MODULE_LAST; i++) { 6122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (info[i].module_id == FDK_NONE) break; 6132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (i == FDK_MODULE_LAST) { 6152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_UNKOWN_ERROR; 6162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info += i; 6182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->module_id = FDK_TPENC; 6202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->version = LIB_VERSION(TP_LIB_VL0, TP_LIB_VL1, TP_LIB_VL2); 6212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project LIB_VERSION_STRING(info); 6222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->build_date = __DATE__; 6232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->build_time = __TIME__; 6242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->title = TP_LIB_TITLE; 6252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Set flags */ 6272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project info->flags = 0 6282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_ADIF 6292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_ADTS 6302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_LATM 6312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_LOAS 6322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project | CAPF_RAWPACKETS 6332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ; 6342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return TRANSPORTENC_OK; 6362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 638