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/************************* Fast MPEG AAC Audio Encoder ********************** 852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Initial author: M. Schug / A. Groeschel 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project contents/description: fast aac coder interface library functions 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifndef _aacenc_h_ 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define _aacenc_h_ 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "common_fix.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "FDK_audio.h" 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tpenc_lib.h" 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "sbr_encoder.h" 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef __cplusplus 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern "C" { 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * AAC-LC error codes. 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef enum { 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_OK = 0x0000, /*!< All fine. */ 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNKNOWN = 0x0002, /*!< Error condition is of unknown reason, or from another module. */ 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* initialization errors */ 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aac_enc_init_error_start = 0x2000, 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_INVALID_HANDLE = 0x2020, /*!< The handle passed to the function call was invalid (probably NULL). */ 116577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi AAC_ENC_INVALID_FRAME_LENGTH = 0x2080, /*!< Invalid frame length. */ 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_INVALID_N_CHANNELS = 0x20e0, /*!< Invalid amount of audio input channels. */ 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_INVALID_SFB_TABLE = 0x2140, /*!< Internal encoder error. */ 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_AOT = 0x3000, /*!< The Audio Object Type (AOT) is not supported. */ 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_BITRATE = 0x3020, /*!< The chosen bitrate is not supported. */ 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_BITRATE_MODE = 0x3028, /*!< Unsupported bit rate mode (CBR or VBR). */ 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_ANC_BITRATE = 0x3040, /*!< Unsupported ancillay bitrate. */ 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_ANC_MODE = 0x3060, 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_TRANSPORT_TYPE = 0x3080, /*!< The bitstream format is not supported. */ 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_ER_FORMAT = 0x30a0, /*!< The error resilience tool format is not supported. */ 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_EPCONFIG = 0x30c0, /*!< The error protection format is not supported. */ 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_CHANNELCONFIG = 0x30e0, /*!< The channel configuration (either number or arrangement) is not supported. */ 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_UNSUPPORTED_SAMPLINGRATE = 0x3100, /*!< Sample rate of audio input is not supported. */ 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_NO_MEMORY = 0x3120, /*!< Could not allocate memory. */ 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_PE_INIT_TABLE_NOT_FOUND = 0x3140, /*!< Internal encoder error. */ 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aac_enc_init_error_end, 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* encode errors */ 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aac_enc_error_start = 0x4000, 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_QUANT_ERROR = 0x4020, /*!< Too many bits used in quantization. */ 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_WRITTEN_BITS_ERROR = 0x4040, /*!< Unexpected number of written bits, differs to 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project calculated number of bits. */ 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_PNS_TABLE_ERROR = 0x4060, /*!< PNS level out of range. */ 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_GLOBAL_GAIN_TOO_HIGH = 0x4080, /*!< Internal quantizer error. */ 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_BITRES_TOO_LOW = 0x40a0, /*!< Too few bits in bit reservoir. */ 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_BITRES_TOO_HIGH = 0x40a1, /*!< Too many bits in bit reservoir. */ 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_INVALID_CHANNEL_BITRATE = 0x4100, 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_INVALID_ELEMENTINFO_TYPE = 0x4120, /*!< Internal encoder error. */ 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_WRITE_SCAL_ERROR = 0x41e0, /*!< Error writing scalefacData. */ 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_WRITE_SEC_ERROR = 0x4200, /*!< Error writing sectionData. */ 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC_WRITE_SPEC_ERROR = 0x4220, /*!< Error writing spectralData. */ 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project aac_enc_error_end 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} AAC_ENCODER_ERROR; 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*-------------------------- defines --------------------------------------*/ 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define ANC_DATA_BUFFERSIZE 1024 /* ancBuffer size */ 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 157fa3eba16446cc8f2f5e2dfc20d86a49dbd37299eJean-Michel Trivi#define MAX_TOTAL_EXT_PAYLOADS (((8) * (1)) + (2+2)) 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef enum { 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_INVALID = -1, /*!< Invalid bitrate mode. */ 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_CBR = 0, /*!< Constant bitrate mode. */ 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_VBR_1 = 1, /*!< Variable bitrate mode, about 32 kbps/channel. */ 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_VBR_2 = 2, /*!< Variable bitrate mode, about 40 kbps/channel. */ 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_VBR_3 = 3, /*!< Variable bitrate mode, about 48-56 kbps/channel. */ 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_VBR_4 = 4, /*!< Variable bitrate mode, about 64 kbps/channel. */ 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_VBR_5 = 5, /*!< Variable bitrate mode, about 80-96 kbps/channel. */ 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_FF = 6, /*!< Fixed frame mode. */ 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BR_MODE_SFR = 7 /*!< Superframe mode. */ 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} AACENC_BITRATE_MODE; 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef enum { 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CH_ORDER_MPEG = 0, /*!< MPEG channel ordering (e. g. 5.1: C, L, R, SL, SR, LFE) */ 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CH_ORDER_WAV /*!< WAV fileformat channel ordering (e. g. 5.1: L, R, C, LFE, SL, SR) */ 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CHANNEL_ORDER; 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*-------------------- structure definitions ------------------------------*/ 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstruct AACENC_CONFIG { 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT sampleRate; /* encoder sample rate */ 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitRate; /* encoder bit rate in bits/sec */ 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT ancDataBitRate; /* additional bits consumed by anc data or sbr have to be consiedered while configuration */ 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nSubFrames; /* number of frames in super frame (not ADTS/LATM subframes !) */ 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AUDIO_OBJECT_TYPE audioObjectType; /* Audio Object Type */ 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT averageBits; /* encoder bit rate in bits/superframe */ 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitrateMode; /* encoder bitrate mode (CBR/VBR) */ 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nChannels; /* number of channels to process */ 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CHANNEL_ORDER channelOrder; /* Input Channel ordering scheme. */ 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bandWidth; /* targeted audio bandwidth in Hz */ 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CHANNEL_MODE channelMode; /* encoder channel mode configuration */ 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT framelength; /* used frame size */ 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT syntaxFlags; /* bitstreams syntax configuration */ 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project SCHAR epConfig; /* error protection configuration */ 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT anc_Rate; /* ancillary rate, 0 (disabled), -1 (default) else desired rate */ 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT maxAncBytesPerAU; 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT minBitsPerFrame; /* minimum number of bits in AU */ 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT maxBitsPerFrame; /* maximum number of bits in AU */ 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitreservoir; /* size of bitreservoir */ 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2073aec97e388e29a1d03f0197b27b893bc6aaf8ac3Jean-Michel Trivi UINT sbrRatio; /* sbr sampling rate ratio: dual- or single-rate */ 2083aec97e388e29a1d03f0197b27b893bc6aaf8ac3Jean-Michel Trivi 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR useTns; /* flag: use temporal noise shaping */ 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR usePns; /* flag: use perceptual noise substitution */ 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR useIS; /* flag: use intensity coding */ 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR useRequant; /* flag: use afterburner */ 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct { 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *pData; /* pointer to extension payload data */ 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT dataSize; /* extension payload data size in bits */ 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project EXT_PAYLOAD_TYPE dataType; /* extension payload data type */ 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT associatedChElement; /* number of the channel element the data is assigned to */ 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} AACENC_EXT_PAYLOAD; 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct AAC_ENC *HANDLE_AAC_ENC; 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Limit given bit rate to a valid value 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param hTpEnc transport encoder handle 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param coreSamplingRate the sample rate to be used for the AAC encoder 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param frameLength the frameLength to be used for the AAC encoder 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param nChannels number of total channels 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param nChannelsEff number of effective channels 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitRate the initial bit rate value for which the closest valid bit rate value is searched for 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param averageBits average bits per frame for fixed framing. Set to -1 if not available. 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param optional pointer where the current bits per frame are stored into. 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitrateMode the current bit rate mode 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param nSubFrames number of sub frames for super framing (not transport frames). 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return a valid bit rate value as close as possible or identical to bitRate 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT FDKaacEnc_LimitBitrate( 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT coreSamplingRate, 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT frameLength, 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nChannels, 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nChannelsEff, 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitRate, 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT averageBits, 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT *pAverageBitsPerFrame, 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitrateMode, 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nSubFrames 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*----------------------------------------------------------------------------- 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_GetVBRBitrate 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: Get VBR bitrate from vbr quality 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project input params: int vbrQuality (VBR0, VBR1, VBR2) 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project channelMode 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: vbr bitrate 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ------------------------------------------------------------------------------*/ 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT FDKaacEnc_GetVBRBitrate(INT bitrateMode, CHANNEL_MODE channelMode); 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*----------------------------------------------------------------------------- 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_AacInitDefaultConfig 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: gives reasonable default configuration 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: --- 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ------------------------------------------------------------------------------*/ 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid FDKaacEnc_AacInitDefaultConfig(AACENC_CONFIG *config); 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname:FDKaacEnc_Open 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: allocate and initialize a new encoder instance 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: 0 if success 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_ENCODER_ERROR FDKaacEnc_Open(HANDLE_AAC_ENC *phAacEnc, /* pointer to an encoder handle, initialized on return */ 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT nElements, /* number of maximal elements in instance to support */ 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT nChannels, /* number of maximal channels in instance to support */ 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT nSubFrames); /* support superframing in instance */ 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_ENCODER_ERROR FDKaacEnc_Initialize(HANDLE_AAC_ENC hAacEncoder, /* pointer to an encoder handle, initialized on return */ 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_CONFIG *config, /* pre-initialized config struct */ 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ULONG initFlags); 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_EncodeFrame 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: encode one frame 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: 0 if success 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_ENCODER_ERROR FDKaacEnc_EncodeFrame( HANDLE_AAC_ENC hAacEnc, /* encoder handle */ 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT_PCM* inputBuffer, 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT* numOutBytes, 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_EXT_PAYLOAD extPayload[MAX_TOTAL_EXT_PAYLOADS] 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname:FDKaacEnc_Close 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: delete encoder instance 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid FDKaacEnc_Close( HANDLE_AAC_ENC* phAacEnc); /* encoder handle */ 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef __cplusplus 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* _aacenc_h_ */ 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 323