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 functions 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacenc.h" 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "bitenc.h" 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "interface.h" 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "psy_configuration.h" 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "psy_main.h" 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "qc_main.h" 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "bandwidth.h" 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "channel_map.h" 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "tns_func.h" 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "aacEnc_ram.h" 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include "genericStds.h" 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MIN_BUFSIZE_PER_EFF_CHAN 6144 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic AAC_ENCODER_ERROR FDKaacEnc_InitCheckAncillary(INT bitRate, 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT framelength, 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT ancillaryRate, 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT *ancillaryBitsPerFrame, 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT sampleRate); 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT FDKaacEnc_LimitBitrate( 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT coreSamplingRate, 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT frameLength, 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nChannels, 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nChannelsEff, 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitRate, 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT averageBits, 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT *pAverageBitsPerFrame, 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitrateMode, 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT nSubFrames 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT transportBits, prevBitRate, averageBitsPerFrame, shift = 0, iter=0; 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project while ( (frameLength & ~((1<<(shift+1))-1)) == frameLength 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (coreSamplingRate & ~((1<<(shift+1))-1)) == coreSamplingRate ) 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project shift ++; 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project do { 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project prevBitRate = bitRate; 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project averageBitsPerFrame = (bitRate*(frameLength>>shift)) / (coreSamplingRate>>shift) / nSubFrames; 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (pAverageBitsPerFrame != NULL) { 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *pAverageBitsPerFrame = averageBitsPerFrame; 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hTpEnc != NULL) { 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportBits = transportEnc_GetStaticBits(hTpEnc, averageBitsPerFrame); 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Assume some worst case */ 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportBits = 208; 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 152381d69840ad3af2259f0b7ef49236f9ee9c76b76Jean-Michel Trivi bitRate = FDKmax(bitRate, ((((40 * nChannels) + transportBits) * (coreSamplingRate)) / frameLength) ); 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(bitRate >= 0); 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitRate = FDKmin(bitRate, ((nChannelsEff * MIN_BUFSIZE_PER_EFF_CHAN)*(coreSamplingRate>>shift)) / (frameLength>>shift)) ; 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(bitRate >= 0); 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } while (prevBitRate != bitRate && iter++ < 3) ; 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return bitRate; 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projecttypedef struct 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_BITRATE_MODE bitrateMode; 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int chanBitrate[2]; /* mono/stereo settings */ 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} CONFIG_TAB_ENTRY_VBR; 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic const CONFIG_TAB_ENTRY_VBR configTabVBR[] = { 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project {AACENC_BR_MODE_CBR, { 0, 0}} , 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project {AACENC_BR_MODE_VBR_1, { 32000, 20000}} , 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project {AACENC_BR_MODE_VBR_2, { 40000, 32000}} , 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project {AACENC_BR_MODE_VBR_3, { 56000, 48000}} , 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project {AACENC_BR_MODE_VBR_4, { 72000, 64000}} , 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project {AACENC_BR_MODE_VBR_5, {112000, 96000}} 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project}; 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*----------------------------------------------------------------------------- 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_GetVBRBitrate 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: Get VBR bitrate from vbr quality 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project input params: int vbrQuality (VBR0, VBR1, VBR2) 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project channelMode 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: vbr bitrate 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ------------------------------------------------------------------------------*/ 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectINT FDKaacEnc_GetVBRBitrate(INT bitrateMode, CHANNEL_MODE channelMode) 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT bitrate = 0; 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT monoStereoMode = 0; /* default mono */ 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKaacEnc_GetMonoStereoMode(channelMode)==EL_MODE_STEREO) { 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project monoStereoMode = 1; 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch((AACENC_BITRATE_MODE)bitrateMode){ 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_1: 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_2: 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_3: 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_4: 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_5: 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitrate = configTabVBR[bitrateMode].chanBitrate[monoStereoMode]; 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_INVALID: 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_CBR: 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_SFR: 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_FF: 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitrate = 0; 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* convert channel bitrate to overall bitrate*/ 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bitrate *= FDKaacEnc_GetChannelModeConfiguration(channelMode)->nChannelsEff; 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return bitrate; 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \brief Convert encoder bitreservoir value for transport library. 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitrateMode Bitratemode used in current encoder instance. Se ::AACENC_BITRATE_MODE 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \param bitresTotal Encoder bitreservoir level in bits. 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * \return Corrected bitreservoir level used in transport library. 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic INT FDKaacEnc_EncBitresToTpBitres( 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const AACENC_BITRATE_MODE bitrateMode, 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT bitresTotal 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT transporBitreservoir = 0; 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (bitrateMode) { 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_CBR: 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transporBitreservoir = bitresTotal; /* encoder bitreservoir level */ 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_1: 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_2: 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_3: 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_4: 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_5: 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transporBitreservoir = FDK_INT_MAX; /* signal variable bitrate */ 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_FF: 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_SFR: 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transporBitreservoir = 0; /* super framing and fixed framing */ 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; /* without bitreservoir signaling */ 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_INVALID: 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transporBitreservoir = 0; /* invalid configuration*/ 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDK_ASSERT(0); 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return transporBitreservoir; 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*----------------------------------------------------------------------------- 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_AacInitDefaultConfig 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: gives reasonable default configuration 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: --- 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ------------------------------------------------------------------------------*/ 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid FDKaacEnc_AacInitDefaultConfig(AACENC_CONFIG *config) 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* make thepre initialization of the structs flexible */ 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(config, sizeof(AACENC_CONFIG)); 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* default ancillary */ 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->anc_Rate = 0; /* no ancillary data */ 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->ancDataBitRate = 0; /* no additional consumed bitrate */ 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* default configurations */ 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bitRate = -1; /* bitrate must be set*/ 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->averageBits = -1; /* instead of bitrate/s we can configure bits/superframe */ 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bitrateMode = 0; 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bandWidth = 0; /* get bandwidth from table */ 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->useTns = TNS_ENABLE_MASK; /* tns enabled completly */ 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->usePns = 1; /* depending on channelBitrate this might be set to 0 later */ 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->useIS = 1; /* Intensity Stereo Configuration */ 283381d69840ad3af2259f0b7ef49236f9ee9c76b76Jean-Michel Trivi config->framelength = -1; /* Framesize not configured */ 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->syntaxFlags = 0; /* default syntax with no specialities */ 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->epConfig = -1; /* no ER syntax -> no additional error protection */ 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->nSubFrames = 1; /* default, no sub frames */ 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->channelOrder = CH_ORDER_MPEG; /* Use MPEG channel ordering. */ 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->channelMode = MODE_UNKNOWN; 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->minBitsPerFrame = -1; /* minum number of bits in each AU */ 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->maxBitsPerFrame = -1; /* minum number of bits in each AU */ 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bitreservoir = -1; /* default, uninitialized value */ 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* init tabs in fixpoint_math */ 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project InitLdInt(); 2952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project InitInvSqrtTab(); 2962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 3002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_Open 3022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: allocate and initialize a new encoder instance 3032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: error code 3042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 3062228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_ENCODER_ERROR FDKaacEnc_Open(HANDLE_AAC_ENC *phAacEnc, 3072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT nElements, 3082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT nChannels, 3092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project const INT nSubFrames) 3102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENCODER_ERROR ErrorStatus; 3122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC *hAacEnc = NULL; 3132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR *dynamicRAM = NULL; 3142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (phAacEnc==NULL) { 3162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_INVALID_HANDLE; 3172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* allocate encoder structure */ 3202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc = GetRam_aacEnc_AacEncoder(); 3212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hAacEnc == NULL) { 3222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_ENC_NO_MEMORY; 3232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 3242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(hAacEnc, sizeof(AAC_ENC)); 3262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->dynamic_RAM = GetAACdynamic_RAM(); 3282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project dynamicRAM = (UCHAR*)hAacEnc->dynamic_RAM; 3292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* allocate the Psy aud Psy Out structure */ 3312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_PsyNew(&hAacEnc->psyKernel, 3322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nElements, 3332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nChannels 3342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ,dynamicRAM 3352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 3372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 3382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_PsyOutNew(hAacEnc->psyOut, 3402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nElements, 3412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nChannels, 3422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nSubFrames 3432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ,dynamicRAM 3442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 3462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 3472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* allocate the Q&C Out structure */ 3492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_QCOutNew(hAacEnc->qcOut, 3502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nElements, 3512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nChannels, 3522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nSubFrames 3532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ,dynamicRAM 3542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 3562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 3572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* allocate the Q&C kernel */ 3592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_QCNew(&hAacEnc->qcKernel, 3602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project nElements 3612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ,dynamicRAM 3622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 3632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 3642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 3652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->maxChannels = nChannels; 3672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->maxElements = nElements; 3682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->maxFrames = nSubFrames; 3692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 3712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *phAacEnc = hAacEnc; 3722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 3732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 3742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3762228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_ENCODER_ERROR FDKaacEnc_Initialize(HANDLE_AAC_ENC hAacEnc, 3772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_CONFIG *config, /* pre-initialized config struct */ 3782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 3792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ULONG initFlags) 3802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 3812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENCODER_ERROR ErrorStatus; 3822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT psyBitrate, tnsMask; //INT profile = 1; 3832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CHANNEL_MAPPING *cm = NULL; 3842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT qmbfac, qbw; 3862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FIXP_DBL mbfac, bw_ratio; 3872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project QC_INIT qcInit; 3882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT averageBitsPerFrame = 0; 3892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (config==NULL) 3912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_INVALID_HANDLE; 3922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /******************* sanity checks *******************/ 3942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 3952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* check config structure */ 396fa3eba16446cc8f2f5e2dfc20d86a49dbd37299eJean-Michel Trivi if (config->nChannels < 1 || config->nChannels > (8)) { 3972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_CHANNELCONFIG; 3982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 3992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* check sample rate */ 4012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (config->sampleRate) 4022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 8000: 4042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 11025: 4052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 12000: 4062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 16000: 4072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 22050: 4082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 24000: 4092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 32000: 4102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 44100: 4112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 48000: 4122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 64000: 4132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 88200: 4142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 96000: 4152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_SAMPLINGRATE; 4182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* bitrate has to be set */ 4212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (config->bitRate==-1) { 4222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_BITRATE; 4232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* check bit rate */ 4262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (FDKaacEnc_LimitBitrate( 4282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc, 4292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->sampleRate, 4302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->framelength, 4312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->nChannels, 4322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_GetChannelModeConfiguration(config->channelMode)->nChannelsEff, 4332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bitRate, 4342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->averageBits, 4352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &averageBitsPerFrame, 4362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bitrateMode, 4372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->nSubFrames 4382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) != config->bitRate ) 4392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_BITRATE; 4412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (config->syntaxFlags & AC_ER_VCB11) { 4442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_ER_FORMAT; 4452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (config->syntaxFlags & AC_ER_HCR) { 4472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_ER_FORMAT; 4482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* check frame length */ 4512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (config->framelength) 4522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 1024: 454381d69840ad3af2259f0b7ef49236f9ee9c76b76Jean-Michel Trivi if ( config->audioObjectType == AOT_ER_AAC_LD 455381d69840ad3af2259f0b7ef49236f9ee9c76b76Jean-Michel Trivi || config->audioObjectType == AOT_ER_AAC_ELD ) 4562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_INVALID_FRAME_LENGTH; 4582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 512: 4612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case 480: 4622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( config->audioObjectType != AOT_ER_AAC_LD 4632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && config->audioObjectType != AOT_ER_AAC_ELD ) 4642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_INVALID_FRAME_LENGTH; 4662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 4682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 4692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_INVALID_FRAME_LENGTH; 4702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (config->anc_Rate != 0) { 4732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_InitCheckAncillary(config->bitRate, 4752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->framelength, 4762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->anc_Rate, 4772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &hAacEnc->ancillaryBitsPerFrame, 4782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->sampleRate); 4792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 4802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 4812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* update estimated consumed bitrate */ 4842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->ancDataBitRate += ( (hAacEnc->ancillaryBitsPerFrame * config->sampleRate) / config->framelength ); 4852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* maximal allowed DSE bytes in frame */ 4892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 4902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* fixpoint calculation*/ 4912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT q_res, encBitrate, sc; 4922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FIXP_DBL tmp = fDivNorm(config->framelength, config->sampleRate, &q_res); 4932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project encBitrate = (config->bitRate/*-config->ancDataBitRate*/)- (INT)(config->nChannels*8000); 4942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project sc = CountLeadingBits(encBitrate); 4952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->maxAncBytesPerAU = FDKmin( (256), FDKmax(0,(INT)(fMultDiv2(tmp, (FIXP_DBL)(encBitrate<<sc))>>(-q_res+sc-1+3))) ); 4962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 4972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 4982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* bind config to hAacEnc->config */ 4992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config = config; 5002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* set hAacEnc->bitrateMode */ 5022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->bitrateMode = (AACENC_BITRATE_MODE)config->bitrateMode; 5032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->encoderMode = config->channelMode; 5052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_InitChannelMapping(hAacEnc->encoderMode, config->channelOrder, &hAacEnc->channelMapping); 5072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 5082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 5092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm = &hAacEnc->channelMapping; 5112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_DetermineBandWidth(&hAacEnc->config->bandWidth, 5132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bandWidth, 5142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->bitRate - config->ancDataBitRate, 5152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->bitrateMode, 5162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->sampleRate, 5172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->framelength, 5182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm, 5192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->encoderMode); 5202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 5212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 5222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->bandwidth90dB = (INT)hAacEnc->config->bandWidth; 5242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tnsMask = config->useTns ? TNS_ENABLE_MASK : 0x0; 5262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyBitrate = config->bitRate - config->ancDataBitRate; 5272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_psyInit(hAacEnc->psyKernel, 5292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->psyOut, 5302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->maxFrames, 5312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->maxChannels, 5322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->audioObjectType, 5332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm); 5342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 5352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 5362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_psyMainInit(hAacEnc->psyKernel, 5382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->audioObjectType, 5392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm, 5402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->sampleRate, 5412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->framelength, 5422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyBitrate, 5432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project tnsMask, 5442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->bandwidth90dB, 5452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->usePns, 5462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->useIS, 5472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project config->syntaxFlags, 5482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project initFlags); 5492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 5502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 5512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_QCOutInit(hAacEnc->qcOut, hAacEnc->maxFrames, cm); 5532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 5542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 5552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.channelMapping = &hAacEnc->channelMapping; 5592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.sceCpe = 0; 5602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 561577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi if ((config->bitrateMode>=1) && (config->bitrateMode<=5)) { 562577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi qcInit.averageBits = (averageBitsPerFrame+7)&~7; 563577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi qcInit.bitRes = MIN_BUFSIZE_PER_EFF_CHAN*cm->nChannelsEff; 564577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi qcInit.maxBits = MIN_BUFSIZE_PER_EFF_CHAN*cm->nChannelsEff; 565577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi qcInit.minBits = 0; 566577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi } 567577fcbb570d023be4cea9564292dd2bd95f40c3bJean-Michel Trivi else 5682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 5692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int maxBitres; 5702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.averageBits = (averageBitsPerFrame+7)&~7; 5712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project maxBitres = (MIN_BUFSIZE_PER_EFF_CHAN*cm->nChannelsEff) - qcInit.averageBits; 5722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitRes = (config->bitreservoir!=-1) ? FDKmin(config->bitreservoir, maxBitres) : maxBitres; 5732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.maxBits = fixMin(MIN_BUFSIZE_PER_EFF_CHAN*cm->nChannelsEff, ((averageBitsPerFrame+7)&~7)+qcInit.bitRes); 5752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.maxBits = (config->maxBitsPerFrame!=-1) ? fixMin(qcInit.maxBits, config->maxBitsPerFrame) : qcInit.maxBits; 5762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.minBits = fixMax(0, ((averageBitsPerFrame-1)&~7)-qcInit.bitRes-transportEnc_GetStaticBits(hTpEnc, ((averageBitsPerFrame+7)&~7)+qcInit.bitRes)); 5782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.minBits = (config->minBitsPerFrame!=-1) ? fixMax(qcInit.minBits, config->minBitsPerFrame) : qcInit.minBits; 5792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 5802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5817ad97579f8ccb843afdb5b184c4b209253839fe3Jean-Michel Trivi qcInit.sampleRate = config->sampleRate; 5827ad97579f8ccb843afdb5b184c4b209253839fe3Jean-Michel Trivi qcInit.advancedBitsToPe = isLowDelay(config->audioObjectType) ? 1 : 0 ; 5832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.nSubFrames = config->nSubFrames; 5842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.padding.paddingRest = config->sampleRate; 5852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Calc meanPe */ 5872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project bw_ratio = fDivNorm((FIXP_DBL)hAacEnc->bandwidth90dB, (FIXP_DBL)(config->sampleRate>>1), &qbw); 5882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qbw = DFRACT_BITS-1-qbw; 5892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* qcInit.meanPe = 10.0f * FRAME_LEN_LONG * hAacEnc->bandwidth90dB/(config->sampleRate/2.0f); */ 5902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.meanPe = fMult(bw_ratio, (FIXP_DBL)((10*config->framelength)<<16)) >> (qbw-15); 5912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Calc maxBitFac */ 5932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project mbfac = fDivNorm((MIN_BUFSIZE_PER_EFF_CHAN-744)*cm->nChannelsEff, qcInit.averageBits/qcInit.nSubFrames, &qmbfac); 5942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qmbfac = DFRACT_BITS-1-qmbfac; 5952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.maxBitFac = (qmbfac > 24) ? (mbfac >> (qmbfac - 24)):(mbfac << (24 - qmbfac)); 5962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 5972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch(config->bitrateMode){ 5982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_CBR: 5992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_CBR; 6002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_1: 6022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_VBR_1; 6032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_2: 6052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_VBR_2; 6062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_3: 6082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_VBR_3; 6092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_4: 6112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_VBR_4; 6122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_VBR_5: 6142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_VBR_5; 6152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_SFR: 6172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_SFR; 6182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AACENC_BR_MODE_FF: 6202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrateMode = QCDATA_BR_MODE_FF; 6212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 6232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = AAC_ENC_UNSUPPORTED_BITRATE_MODE; 6242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 6252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.invQuant = (config->useRequant)?2:0; 6282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* maxIterations should be set to the maximum number of requantization iterations that are 6302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * allowed before the crash recovery functionality is activated. This setting should be adjusted 6312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * to the processing power available, i.e. to the processing power headroom in one frame that is 6322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * still left after normal encoding without requantization. Please note that if activated this 6332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * functionality is used most likely only in cases where the encoder is operating beyond 6342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * recommended settings, i.e. the audio quality is suboptimal anyway. Activating the crash 6352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * recovery does not further reduce audio quality significantly in these cases. */ 6362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (config->audioObjectType == AOT_ER_AAC_LD) || (config->audioObjectType == AOT_ER_AAC_ELD) ) { 6372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.maxIterations = 2; 6382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else 6402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 6412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.maxIterations = 5; 6422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.bitrate = config->bitRate - config->ancDataBitRate; 6452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcInit.staticBits = transportEnc_GetStaticBits(hTpEnc, qcInit.averageBits/qcInit.nSubFrames); 6472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_QCInit(hAacEnc->qcKernel, &qcInit); 6492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 6502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project goto bail; 6512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Map virtual aot's to intern aot used in bitstream writer. */ 6532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project switch (hAacEnc->config->audioObjectType) { 6542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_MP2_AAC_LC: 6552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_DABPLUS_AAC_LC: 6562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot = AOT_AAC_LC; 6572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_MP2_SBR: 6592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_DABPLUS_SBR: 6602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot = AOT_SBR; 6612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_MP2_PS: 6632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project case AOT_DABPLUS_PS: 6642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot = AOT_PS; 6652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project break; 6662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project default: 6672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot = hAacEnc->config->audioObjectType; 6682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 6692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* common things */ 6712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_OK; 6732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectbail: 6752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 6772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 6782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 6812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_EncodeFrame 6832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: encodes one frame 6842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: error code 6852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 6872228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC_ENCODER_ERROR FDKaacEnc_EncodeFrame( HANDLE_AAC_ENC hAacEnc, /* encoder handle */ 6882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project HANDLE_TRANSPORTENC hTpEnc, 6892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT_PCM* RESTRICT inputBuffer, 6902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT* nOutBytes, 6912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AACENC_EXT_PAYLOAD extPayload[MAX_TOTAL_EXT_PAYLOADS] 6922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ) 6932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 6942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENCODER_ERROR ErrorStatus; 6952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int el, n, c=0; 6962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UCHAR extPayloadUsed[MAX_TOTAL_EXT_PAYLOADS]; 6972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 6982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project CHANNEL_MAPPING *cm = &hAacEnc->channelMapping; 6992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project PSY_OUT *psyOut = hAacEnc->psyOut[c]; 7032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project QC_OUT *qcOut = hAacEnc->qcOut[c]; 7042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(extPayloadUsed, MAX_TOTAL_EXT_PAYLOADS * sizeof(UCHAR)); 7062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->elementExtBits = 0; /* sum up all extended bit of each element */ 7082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->staticBits = 0; /* sum up side info bits of each element */ 7092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->totalNoRedPe = 0; /* sum up PE */ 7102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* advance psychoacoustics */ 7122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for (el=0; el<cm->nElements; el++) { 7132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ELEMENT_INFO elInfo = cm->elInfo[el]; 7142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (elInfo.elType == ID_SCE) 7162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project || (elInfo.elType == ID_CPE) 7172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project || (elInfo.elType == ID_LFE) ) 7182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 7192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int ch; 7202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* update pointer!*/ 7222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for(ch=0;ch<elInfo.nChannelsInEl;ch++) { 7232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project PSY_OUT_CHANNEL *psyOutChan = psyOut->psyOutElement[el]->psyOutChannel[ch]; 7242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project QC_OUT_CHANNEL *qcOutChan = qcOut->qcElement[el]->qcOutChannel[ch]; 7252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOutChan->mdctSpectrum = qcOutChan->mdctSpectrum; 7272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOutChan->sfbSpreadEnergy = qcOutChan->sfbSpreadEnergy; 7282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOutChan->sfbEnergy = qcOutChan->sfbEnergy; 7292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOutChan->sfbEnergyLdData = qcOutChan->sfbEnergyLdData; 7302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOutChan->sfbMinSnrLdData = qcOutChan->sfbMinSnrLdData; 7312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOutChan->sfbThresholdLdData = qcOutChan->sfbThresholdLdData; 7322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_psyMain(elInfo.nChannelsInEl, 7362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->psyKernel->psyElement[el], 7372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->psyKernel->psyDynamic, 7382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->psyKernel->psyConf, 7392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOut->psyOutElement[el], 7402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project inputBuffer, 7412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm->elInfo[el].ChannelIndex, 7422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm->nChannels 7432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ); 7452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* FormFactor, Pe and staticBitDemand calculation */ 7472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_QCMainPrepare(&elInfo, 7482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel->hAdjThr->adjThrStateElem[el], 7492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOut->psyOutElement[el], 7502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el], 7512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot, 7522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->syntaxFlags, 7532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->epConfig); 7542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 7562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 7572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 7592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el]->extBitsUsed = 0; 7612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el]->nExtensions = 0; 7622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* reset extension payload */ 7632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(&qcOut->qcElement[el]->extension, (1)*sizeof(QC_OUT_EXTENSION)); 7642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for ( n = 0; n < MAX_TOTAL_EXT_PAYLOADS; n++ ) { 7662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !extPayloadUsed[n] 7672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (extPayload[n].associatedChElement == el) 7682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (extPayload[n].dataSize > 0) 7692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (extPayload[n].pData != NULL) ) 7702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 7712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int idx = qcOut->qcElement[el]->nExtensions++; 7722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el]->extension[idx].type = extPayload[n].dataType; /* Perform a sanity check on the type? */ 7742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el]->extension[idx].nPayloadBits = extPayload[n].dataSize; 7752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el]->extension[idx].pPayload = extPayload[n].pData; 7762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Now ask the bitstream encoder how many bits we need to encode the data with the current bitstream syntax: */ 7772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement[el]->extBitsUsed += 7782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_writeExtensionData( NULL, 7792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &qcOut->qcElement[el]->extension[idx], 7802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 0, 7812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->syntaxFlags, 7822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot, 7832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->epConfig ); 7842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project extPayloadUsed[n] = 1; 7852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* sum up extension and static bits for all channel elements */ 7892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->elementExtBits += qcOut->qcElement[el]->extBitsUsed; 7902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->staticBits += qcOut->qcElement[el]->staticBitsUsed; 7912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* sum up pe */ 7932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->totalNoRedPe += qcOut->qcElement[el]->peData.pe; 7942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 7962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 7972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->nExtensions = 0; 7982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->globalExtBits = 0; 7992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* reset extension payload */ 8012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKmemclear(&qcOut->extension, (2+2)*sizeof(QC_OUT_EXTENSION)); 8022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Add extension payload not assigned to an channel element 8042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project (Ancillary data is the only supported type up to now) */ 8052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project for ( n = 0; n < MAX_TOTAL_EXT_PAYLOADS; n++ ) { 8062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( !extPayloadUsed[n] 8072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (extPayload[n].associatedChElement == -1) 8082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project && (extPayload[n].pData != NULL) ) 8092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project UINT payloadBits = 0; 8112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (extPayload[n].dataType == EXT_DATA_ELEMENT) { 8132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hAacEnc->ancillaryBitsPerFrame) { 8142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* granted frame dse bitrate */ 8152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project payloadBits = hAacEnc->ancillaryBitsPerFrame; 8162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { 8182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* write anc data if bitrate constraint fulfilled */ 8192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ((extPayload[n].dataSize>>3) <= hAacEnc->config->maxAncBytesPerAU) { 8202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project payloadBits = extPayload[n].dataSize; 8212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project payloadBits = fixMin( extPayload[n].dataSize, payloadBits ); 8242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } else { 8252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project payloadBits = extPayload[n].dataSize; 8262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (payloadBits > 0) 8292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project int idx = qcOut->nExtensions++; 8312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->extension[idx].type = extPayload[n].dataType; /* Perform a sanity check on the type? */ 8332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->extension[idx].nPayloadBits = payloadBits; 8342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->extension[idx].pPayload = extPayload[n].pData; 8352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Now ask the bitstream encoder how many bits we need to encode the data with the current bitstream syntax: */ 8362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->globalExtBits += FDKaacEnc_writeExtensionData( NULL, 8372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &qcOut->extension[idx], 8382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 0, 0, 8392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->syntaxFlags, 8402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot, 8412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->epConfig ); 8422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (extPayload[n].dataType == EXT_DATA_ELEMENT) { 8432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* substract the processed bits */ 8442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project extPayload[n].dataSize -= payloadBits; 8452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project extPayloadUsed[n] = 1; 8472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (!(hAacEnc->config->syntaxFlags & (AC_SCALABLE|AC_ER))) { 8522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->globalExtBits += EL_ID_BITS; /* add bits for ID_END */ 8532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* build bitstream all nSubFrames */ 8562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT totalBits = 0; /* Total AU bits */; 8582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT avgTotalBits = 0; 8592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Get average total bits */ 8622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 8642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* frame wise bitrate adaption */ 8652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_AdjustBitrate(hAacEnc->qcKernel, 8662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm, 8672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project &avgTotalBits, 8682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->bitRate, 8692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->sampleRate, 8702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->framelength); 8712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* adjust super frame bitrate */ 8732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project avgTotalBits *= hAacEnc->config->nSubFrames; 8742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 8752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Make first estimate of transport header overhead. 8772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Take maximum possible frame size into account to prevent bitreservoir underrun. */ 8782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel->globHdrBits = transportEnc_GetStaticBits(hTpEnc, avgTotalBits + hAacEnc->qcKernel->bitResTot); 8792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_QCMain(hAacEnc->qcKernel, 8862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->psyOut, 8872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcOut, 8882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project avgTotalBits, 8892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm 8902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ,hAacEnc->aot, 8912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->syntaxFlags, 8922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->epConfig); 8932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 8952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 8962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 8982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 8992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_updateFillBits(cm, 9002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel, 9012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel->elementBits, 9022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcOut); 9032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 9042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 9052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 9072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_FinalizeBitConsumption(cm, 9082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel, 9092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut, 9102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut->qcElement, 9112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc, 9122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot, 9132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->syntaxFlags, 9142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->epConfig); 9152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 9162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 9172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 9182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project totalBits += qcOut->totalBits; 9192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 9222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_updateBitres(cm, 9232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel, 9242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcOut); 9252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 9272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* for ( all sub frames ) ... */ 9292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* write bitstream header */ 9302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportEnc_WriteAccessUnit( 9312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc, 9322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project totalBits, 9332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_EncBitresToTpBitres(hAacEnc->bitrateMode, hAacEnc->qcKernel->bitResTot), 9342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm->nChannelsEff); 9352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* write bitstream */ 9372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ErrorStatus = FDKaacEnc_WriteBitstream( 9382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hTpEnc, 9392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project cm, 9402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project qcOut, 9412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project psyOut, 9422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->qcKernel, 9432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->aot, 9442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->syntaxFlags, 9452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project hAacEnc->config->epConfig); 9462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (ErrorStatus != AAC_ENC_OK) 9482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return ErrorStatus; 9492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* transportEnc_EndAccessUnit() is being called inside FDKaacEnc_WriteBitstream() */ 9512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project transportEnc_GetFrame(hTpEnc, nOutBytes); 9522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } /* -end- if (curFrame==hAacEnc->qcKernel->nSubFrames) */ 9542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /*-------------------------------------------- */ 9572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_OK; 9582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 9592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 9612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname:FDKaacEnc_Close 9632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: delete encoder instance 9642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project returns: 9652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 9672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid FDKaacEnc_Close( HANDLE_AAC_ENC* phAacEnc) /* encoder handle */ 9692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 9702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (*phAacEnc == NULL) { 9712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return; 9722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 9732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project AAC_ENC *hAacEnc = (AAC_ENC*)*phAacEnc; 9742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (hAacEnc->dynamic_RAM != NULL) 9762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeAACdynamic_RAM(&hAacEnc->dynamic_RAM); 9772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_PsyClose(&hAacEnc->psyKernel,hAacEnc->psyOut); 9792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKaacEnc_QCClose(&hAacEnc->qcKernel, hAacEnc->qcOut); 9812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FreeRam_aacEnc_AacEncoder(phAacEnc); 9832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 9842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* The following functions are in this source file only for convenience and */ 9872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* need not be visible outside of a possible encoder library. */ 9882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* basic defines for ancillary data */ 9902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define MAX_ANCRATE 19200 /* ancillary rate >= 19200 isn't valid */ 9912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/*--------------------------------------------------------------------------- 9932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project functionname: FDKaacEnc_InitCheckAncillary 9952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project description: initialize and check ancillary data struct 9962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return: if success or NULL if error 9972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 9982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ---------------------------------------------------------------------------*/ 9992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic AAC_ENCODER_ERROR FDKaacEnc_InitCheckAncillary(INT bitRate, 10002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT framelength, 10012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT ancillaryRate, 10022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT *ancillaryBitsPerFrame, 10032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT sampleRate) 10042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 10052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project INT diffToByteAlign; 10062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* don't use negative ancillary rates */ 10082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ancillaryRate < -1 ) 10092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_ANC_BITRATE; 10102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* check if ancillary rate is ok */ 10122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( (ancillaryRate != (-1)) && (ancillaryRate != 0) ) { 10132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ancRate <= 15% of bitrate && ancRate < 19200 */ 10142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if ( ( ancillaryRate >= MAX_ANCRATE ) || 10152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ( (ancillaryRate * 20) > (bitRate * 3) ) ) { 10162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_UNSUPPORTED_ANC_BITRATE; 10172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else if (ancillaryRate == -1) { 10202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* if no special ancRate is requested but a ancillary file is 10212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project stated, then generate a ancillary rate matching to the bitrate */ 10222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (bitRate >= (MAX_ANCRATE * 10)) { 10232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* ancillary rate is 19199 */ 10242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancillaryRate = (MAX_ANCRATE - 1); 10252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project else { /* 10% of bitrate */ 10272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ancillaryRate = bitRate / 10; 10282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 10302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* make ancillaryBitsPerFrame byte align */ 10322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *ancillaryBitsPerFrame = (ancillaryRate * framelength ) / sampleRate; 10332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project diffToByteAlign = *ancillaryBitsPerFrame % 8; 10342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project *ancillaryBitsPerFrame = *ancillaryBitsPerFrame - diffToByteAlign; 10352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 10362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return AAC_ENC_OK; 10372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1038