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author | Xin Li <delphij@google.com> | 2018-06-08 11:06:57 -0700 |
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committer | Xin Li <delphij@google.com> | 2018-06-08 11:06:57 -0700 |
commit | 6a79fb47e4fe92cc4fd0c63f68db8a4d19b9c835 (patch) | |
tree | 41c65cebd836ff3f949f1134512985e4a1288593 /libAACenc/src/qc_data.h | |
parent | b9fc83e0e9412548830f07e60c53d8072adb60de (diff) | |
parent | 1f93990cfc1bb76aa538634512938e39565f471a (diff) | |
download | fdk-aac-6a79fb47e4fe92cc4fd0c63f68db8a4d19b9c835.tar.gz fdk-aac-6a79fb47e4fe92cc4fd0c63f68db8a4d19b9c835.tar.bz2 fdk-aac-6a79fb47e4fe92cc4fd0c63f68db8a4d19b9c835.zip |
Merge pi-dev-plus-aosp-without-vendor into stage-aosp-master
Bug: 79597307
Change-Id: Ia98e005208999b395595ef647902768a1199eaa4
Diffstat (limited to 'libAACenc/src/qc_data.h')
-rw-r--r-- | libAACenc/src/qc_data.h | 319 |
1 files changed, 169 insertions, 150 deletions
diff --git a/libAACenc/src/qc_data.h b/libAACenc/src/qc_data.h index 00d6090..6e671ed 100644 --- a/libAACenc/src/qc_data.h +++ b/libAACenc/src/qc_data.h @@ -1,74 +1,85 @@ - -/* ----------------------------------------------------------------------------------------------------------- +/* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2015 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. +© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten +Forschung e.V. All rights reserved. 1. INTRODUCTION -The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements -the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. -This FDK AAC Codec software is intended to be used on a wide variety of Android devices. - -AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual -audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by -independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part -of the MPEG specifications. - -Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) -may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners -individually for the purpose of encoding or decoding bit streams in products that are compliant with -the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license -these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec -software may already be covered under those patent licenses when it is used for those licensed purposes only. - -Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, -are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional -applications information and documentation. +The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software +that implements the MPEG Advanced Audio Coding ("AAC") encoding and decoding +scheme for digital audio. This FDK AAC Codec software is intended to be used on +a wide variety of Android devices. + +AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient +general perceptual audio codecs. AAC-ELD is considered the best-performing +full-bandwidth communications codec by independent studies and is widely +deployed. AAC has been standardized by ISO and IEC as part of the MPEG +specifications. + +Patent licenses for necessary patent claims for the FDK AAC Codec (including +those of Fraunhofer) may be obtained through Via Licensing +(www.vialicensing.com) or through the respective patent owners individually for +the purpose of encoding or decoding bit streams in products that are compliant +with the ISO/IEC MPEG audio standards. Please note that most manufacturers of +Android devices already license these patent claims through Via Licensing or +directly from the patent owners, and therefore FDK AAC Codec software may +already be covered under those patent licenses when it is used for those +licensed purposes only. + +Commercially-licensed AAC software libraries, including floating-point versions +with enhanced sound quality, are also available from Fraunhofer. Users are +encouraged to check the Fraunhofer website for additional applications +information and documentation. 2. COPYRIGHT LICENSE -Redistribution and use in source and binary forms, with or without modification, are permitted without -payment of copyright license fees provided that you satisfy the following conditions: +Redistribution and use in source and binary forms, with or without modification, +are permitted without payment of copyright license fees provided that you +satisfy the following conditions: -You must retain the complete text of this software license in redistributions of the FDK AAC Codec or -your modifications thereto in source code form. +You must retain the complete text of this software license in redistributions of +the FDK AAC Codec or your modifications thereto in source code form. -You must retain the complete text of this software license in the documentation and/or other materials -provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. -You must make available free of charge copies of the complete source code of the FDK AAC Codec and your +You must retain the complete text of this software license in the documentation +and/or other materials provided with redistributions of the FDK AAC Codec or +your modifications thereto in binary form. You must make available free of +charge copies of the complete source code of the FDK AAC Codec and your modifications thereto to recipients of copies in binary form. -The name of Fraunhofer may not be used to endorse or promote products derived from this library without -prior written permission. +The name of Fraunhofer may not be used to endorse or promote products derived +from this library without prior written permission. -You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec -software or your modifications thereto. +You may not charge copyright license fees for anyone to use, copy or distribute +the FDK AAC Codec software or your modifications thereto. -Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software -and the date of any change. For modified versions of the FDK AAC Codec, the term -"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term -"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." +Your modified versions of the FDK AAC Codec must carry prominent notices stating +that you changed the software and the date of any change. For modified versions +of the FDK AAC Codec, the term "Fraunhofer FDK AAC Codec Library for Android" +must be replaced by the term "Third-Party Modified Version of the Fraunhofer FDK +AAC Codec Library for Android." 3. NO PATENT LICENSE -NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, -ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with -respect to this software. +NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without +limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE. +Fraunhofer provides no warranty of patent non-infringement with respect to this +software. -You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized -by appropriate patent licenses. +You may use this FDK AAC Codec software or modifications thereto only for +purposes that are authorized by appropriate patent licenses. 4. DISCLAIMER -This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors -"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties -of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, -including but not limited to procurement of substitute goods or services; loss of use, data, or profits, -or business interruption, however caused and on any theory of liability, whether in contract, strict -liability, or tort (including negligence), arising in any way out of the use of this software, even if -advised of the possibility of such damage. +This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright +holders and contributors "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, +including but not limited to the implied warranties of merchantability and +fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, +or consequential damages, including but not limited to procurement of substitute +goods or services; loss of use, data, or profits, or business interruption, +however caused and on any theory of liability, whether in contract, strict +liability, or tort (including negligence), arising in any way out of the use of +this software, even if advised of the possibility of such damage. 5. CONTACT INFORMATION @@ -79,19 +90,20 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ -/******************************** MPEG Audio Encoder ************************** +/**************************** AAC encoder library ****************************** - Initial author: M. Werner - contents/description: Quantizing & coding data + Author(s): M. Werner -******************************************************************************/ + Description: Quantizing & coding data -#ifndef _QC_DATA_H -#define _QC_DATA_H +*******************************************************************************/ +#ifndef QC_DATA_H +#define QC_DATA_H +#include "aacenc.h" #include "psy_const.h" #include "dyn_bits.h" #include "adj_thr_data.h" @@ -99,18 +111,16 @@ amm-info@iis.fraunhofer.de #include "FDK_audio.h" #include "interface.h" - typedef enum { QCDATA_BR_MODE_INVALID = -1, - QCDATA_BR_MODE_CBR = 0, - QCDATA_BR_MODE_VBR_1 = 1, /* 32 kbps/channel */ - QCDATA_BR_MODE_VBR_2 = 2, /* 40 kbps/channel */ - QCDATA_BR_MODE_VBR_3 = 3, /* 48 kbps/channel */ - QCDATA_BR_MODE_VBR_4 = 4, /* 64 kbps/channel */ - QCDATA_BR_MODE_VBR_5 = 5, /* 96 kbps/channel */ - QCDATA_BR_MODE_FF = 6, /* Fixed frame mode. */ - QCDATA_BR_MODE_SFR = 7 /* Superframe mode. */ - + QCDATA_BR_MODE_CBR = 0, /* Constant bit rate, given average bitrate */ + QCDATA_BR_MODE_VBR_1 = 1, /* Variable bit rate, very low */ + QCDATA_BR_MODE_VBR_2 = 2, /* Variable bit rate, low */ + QCDATA_BR_MODE_VBR_3 = 3, /* Variable bit rate, medium */ + QCDATA_BR_MODE_VBR_4 = 4, /* Variable bit rate, high */ + QCDATA_BR_MODE_VBR_5 = 5, /* Variable bit rate, very high */ + QCDATA_BR_MODE_FF = 6, /* Fixed frame mode. */ + QCDATA_BR_MODE_SFR = 7 /* Superframe mode. */ } QCDATA_BR_MODE; @@ -127,137 +137,150 @@ typedef struct { INT nChannels; INT nChannelsEff; INT nElements; - ELEMENT_INFO elInfo[(8)]; + ELEMENT_INFO elInfo[((8))]; } CHANNEL_MAPPING; typedef struct { INT paddingRest; } PADDING; - /* Quantizing & coding stage */ -struct QC_INIT{ - CHANNEL_MAPPING* channelMapping; +struct QC_INIT { + CHANNEL_MAPPING *channelMapping; INT sceCpe; /* not used yet */ INT maxBits; /* maximum number of bits in reservoir */ INT averageBits; /* average number of bits we should use */ INT bitRes; - INT sampleRate; /* output sample rate */ - INT advancedBitsToPe; /* if set, calc bits2PE factor depending on samplerate */ - INT staticBits; /* Bits per frame consumed by transport layers. */ + INT sampleRate; /* output sample rate */ + INT isLowDelay; /* if set, calc bits2PE factor depending on samplerate */ + INT staticBits; /* Bits per frame consumed by transport layers. */ QCDATA_BR_MODE bitrateMode; INT meanPe; - INT chBitrate; + INT chBitrate; /* Bitrate/channel */ INT invQuant; - INT maxIterations; /* Maximum number of allowed iterations before FDKaacEnc_crashRecovery() is applied. */ + INT maxIterations; /* Maximum number of allowed iterations before + FDKaacEnc_crashRecovery() is applied. */ FIXP_DBL maxBitFac; INT bitrate; - INT nSubFrames; /* helper variable */ - INT minBits; /* minimal number of bits in one frame*/ + INT nSubFrames; /* helper variable */ + INT minBits; /* minimal number of bits in one frame*/ + AACENC_BITRES_MODE bitResMode; /* 0: full bitreservoir, 1: reduced + bitreservoir, 2: disabled bitreservoir */ + INT bitDistributionMode; /* Configure element-wise execution or execution over + all elements for the pe-dependent + threshold-adaption */ PADDING padding; }; -typedef struct -{ - FIXP_DBL mdctSpectrum[(1024)]; +typedef struct { + FIXP_DBL mdctSpectrum[(1024)]; - SHORT quantSpec[(1024)]; + SHORT quantSpec[(1024)]; - UINT maxValueInSfb[MAX_GROUPED_SFB]; - INT scf[MAX_GROUPED_SFB]; - INT globalGain; - SECTION_DATA sectionData; + UINT maxValueInSfb[MAX_GROUPED_SFB]; + INT scf[MAX_GROUPED_SFB]; + INT globalGain; + SECTION_DATA sectionData; - FIXP_DBL sfbFormFactorLdData[MAX_GROUPED_SFB]; + FIXP_DBL sfbFormFactorLdData[MAX_GROUPED_SFB]; - FIXP_DBL sfbThresholdLdData[MAX_GROUPED_SFB]; - FIXP_DBL sfbMinSnrLdData[MAX_GROUPED_SFB]; - FIXP_DBL sfbEnergyLdData[MAX_GROUPED_SFB]; - FIXP_DBL sfbEnergy[MAX_GROUPED_SFB]; - FIXP_DBL sfbWeightedEnergyLdData[MAX_GROUPED_SFB]; + FIXP_DBL sfbThresholdLdData[MAX_GROUPED_SFB]; + FIXP_DBL sfbMinSnrLdData[MAX_GROUPED_SFB]; + FIXP_DBL sfbEnergyLdData[MAX_GROUPED_SFB]; + FIXP_DBL sfbEnergy[MAX_GROUPED_SFB]; + FIXP_DBL sfbWeightedEnergyLdData[MAX_GROUPED_SFB]; - FIXP_DBL sfbEnFacLd[MAX_GROUPED_SFB]; + FIXP_DBL sfbEnFacLd[MAX_GROUPED_SFB]; - FIXP_DBL sfbSpreadEnergy[MAX_GROUPED_SFB]; + FIXP_DBL sfbSpreadEnergy[MAX_GROUPED_SFB]; } QC_OUT_CHANNEL; - -typedef struct -{ - EXT_PAYLOAD_TYPE type; /* type of the extension payload */ - INT nPayloadBits; /* size of the payload */ - UCHAR *pPayload; /* pointer to payload */ +typedef struct { + EXT_PAYLOAD_TYPE type; /* type of the extension payload */ + INT nPayloadBits; /* size of the payload */ + UCHAR *pPayload; /* pointer to payload */ } QC_OUT_EXTENSION; +typedef struct { + INT staticBitsUsed; /* for verification purposes */ + INT dynBitsUsed; /* for verification purposes */ -typedef struct -{ - INT staticBitsUsed; /* for verification purposes */ - INT dynBitsUsed; /* for verification purposes */ - - INT extBitsUsed; /* bit consumption of extended fill elements */ - INT nExtensions; /* number of extension payloads for this element */ - QC_OUT_EXTENSION extension[(1)]; /* reffering extension payload */ + INT extBitsUsed; /* bit consumption of extended fill elements */ + INT nExtensions; /* number of extension payloads for this element */ + QC_OUT_EXTENSION extension[(1)]; /* reffering extension payload */ - INT grantedDynBits; + INT grantedDynBits; - INT grantedPe; - INT grantedPeCorr; + INT grantedPe; + INT grantedPeCorr; - PE_DATA peData; + PE_DATA peData; QC_OUT_CHANNEL *qcOutChannel[(2)]; + UCHAR + *dynMem_Ah_Flag; /* pointer to dynamic buffer used by AhFlag in function + FDKaacEnc_adaptThresholdsToPe() */ + UCHAR + *dynMem_Thr_Exp; /* pointer to dynamic buffer used by ThrExp in function + FDKaacEnc_adaptThresholdsToPe() */ + UCHAR *dynMem_SfbNActiveLinesLdData; /* pointer to dynamic buffer used by + sfbNActiveLinesLdData in function + FDKaacEnc_correctThresh() */ } QC_OUT_ELEMENT; -typedef struct -{ - QC_OUT_ELEMENT *qcElement[(8)]; - QC_OUT_CHANNEL *pQcOutChannels[(8)]; - QC_OUT_EXTENSION extension[(2+2)]; /* global extension payload */ - INT nExtensions; /* number of extension payloads for this AU */ - INT maxDynBits; /* maximal allowed dynamic bits in frame */ - INT grantedDynBits; /* granted dynamic bits in frame */ - INT totFillBits; /* fill bits */ - INT elementExtBits; /* element associated extension payload bits, e.g. sbr, drc ... */ - INT globalExtBits; /* frame/au associated extension payload bits (anc data ...) */ - INT staticBits; /* aac side info bits */ - - INT totalNoRedPe; - INT totalGrantedPeCorr; - - INT usedDynBits; /* number of dynamic bits in use */ - INT alignBits; /* AU alignment bits */ - INT totalBits; /* sum of static, dyn, sbr, fill, align and dse bits */ +typedef struct { + QC_OUT_ELEMENT *qcElement[((8))]; + QC_OUT_CHANNEL *pQcOutChannels[(8)]; + QC_OUT_EXTENSION extension[(2 + 2)]; /* global extension payload */ + INT nExtensions; /* number of extension payloads for this AU */ + INT maxDynBits; /* maximal allowed dynamic bits in frame */ + INT grantedDynBits; /* granted dynamic bits in frame */ + INT totFillBits; /* fill bits */ + INT elementExtBits; /* element associated extension payload bits, e.g. sbr, + drc ... */ + INT globalExtBits; /* frame/au associated extension payload bits (anc data + ...) */ + INT staticBits; /* aac side info bits */ + + INT totalNoRedPe; + INT totalGrantedPeCorr; + + INT usedDynBits; /* number of dynamic bits in use */ + INT alignBits; /* AU alignment bits */ + INT totalBits; /* sum of static, dyn, sbr, fill, align and dse bits */ } QC_OUT; typedef struct { - INT chBitrateEl; /* channel bitrate in element (totalbitrate*el_relativeBits/el_channels) */ - INT maxBitsEl; /* used in crash recovery */ - INT bitResLevelEl; /* update bitreservoir level in each call of FDKaacEnc_QCMain */ - INT maxBitResBitsEl; /* nEffChannels*6144 - averageBitsInFrame */ - FIXP_DBL relativeBitsEl; /* Bits relative to total Bits*/ + INT chBitrateEl; /* channel bitrate in element + (totalbitrate*el_relativeBits/el_channels) */ + INT maxBitsEl; /* used in crash recovery */ + INT bitResLevelEl; /* update bitreservoir level in each call of + FDKaacEnc_QCMain */ + INT maxBitResBitsEl; /* nEffChannels*6144 - averageBitsInFrame */ + FIXP_DBL relativeBitsEl; /* Bits relative to total Bits*/ } ELEMENT_BITS; -typedef struct -{ +typedef struct { /* this is basically struct QC_INIT */ INT globHdrBits; - INT maxBitsPerFrame; /* maximal allowed bits per frame, 6144*nChannelsEff */ - INT minBitsPerFrame; /* minimal allowd bits per fram, superframing - DRM */ + INT maxBitsPerFrame; /* maximal allowed bits per frame, 6144*nChannelsEff */ + INT minBitsPerFrame; /* minimal allowd bits per fram, superframing - DRM */ INT nElements; QCDATA_BR_MODE bitrateMode; - INT bitDistributionMode; /* 0: full bitreservoir, 1: reduced bitreservoir, 2: disabled bitreservoir */ + AACENC_BITRES_MODE bitResMode; /* 0: full bitreservoir, 1: reduced + bitreservoir, 2: disabled bitreservoir */ INT bitResTot; INT bitResTotMax; - INT maxIterations; /* Maximum number of allowed iterations before FDKaacEnc_crashRecovery() is applied. */ + INT maxIterations; /* Maximum number of allowed iterations before + FDKaacEnc_crashRecovery() is applied. */ INT invQuant; FIXP_DBL vbrQualFactor; @@ -265,16 +288,12 @@ typedef struct PADDING padding; - ELEMENT_BITS *elementBits[(8)]; + ELEMENT_BITS *elementBits[((8))]; BITCNTR_STATE *hBitCounter; ADJ_THR_STATE *hAdjThr; - INT dZoneQuantEnable; /* enable dead zone quantizer */ + INT dZoneQuantEnable; /* enable dead zone quantizer */ } QC_STATE; -#endif /* _QC_DATA_H */ - - - - +#endif /* QC_DATA_H */ |