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Diffstat (limited to 'libAACenc/src/aacEnc_ram.h')
| -rw-r--r-- | libAACenc/src/aacEnc_ram.h | 273 |
1 files changed, 148 insertions, 125 deletions
diff --git a/libAACenc/src/aacEnc_ram.h b/libAACenc/src/aacEnc_ram.h index cf7da7c..0775aae 100644 --- a/libAACenc/src/aacEnc_ram.h +++ b/libAACenc/src/aacEnc_ram.h @@ -1,74 +1,85 @@ - -/* ----------------------------------------------------------------------------------------------------------- +/* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2013 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 @@ -79,23 +90,24 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ + +/**************************** AAC encoder library ****************************** -/****************************************************************************** + Author(s): M. Lohwasser, M. Gayer - Initial authors: M. Lohwasser, M. Gayer - Contents/description: + Description: -******************************************************************************/ +*******************************************************************************/ /*! \file - \brief Memory layout + \brief Memory layout \author Markus Lohwasser */ -#ifndef AAC_ENC_RAM_H -#define AAC_ENC_RAM_H +#ifndef AACENC_RAM_H +#define AACENC_RAM_H #include "common_fix.h" @@ -107,32 +119,35 @@ amm-info@iis.fraunhofer.de #include "bit_cnt.h" #include "psy_const.h" - #define OUTPUTBUFFER_SIZE (8192) /*!< Output buffer size has to be at least 6144 bits per channel (768 bytes). FDK bitbuffer implementation expects buffer of size 2^n. */ - +#define OUTPUTBUFFER_SIZE \ + (8192) /*!< Output buffer size has to be at least 6144 bits per channel \ + (768 bytes). FDK bitbuffer implementation expects buffer of \ + size 2^n. */ /* - Moved AAC_ENC struct definition from aac_enc.cpp into aacEnc_ram.h to get size and respective - static memory in aacEnc_ram.cpp. - aac_enc.h is the outward visible header file and putting the struct into would cause necessity - of additional visible header files outside library. + Moved AAC_ENC struct definition from aac_enc.cpp into aacEnc_ram.h to get size + and respective static memory in aacEnc_ram.cpp. aac_enc.h is the outward + visible header file and putting the struct into would cause necessity of + additional visible header files outside library. */ /* define hBitstream size: max AAC framelength is 6144 bits/channel */ -/*#define BUFFER_BITSTR_SIZE ((6400*(8)/bbWordSize) +((bbWordSize - 1) / bbWordSize))*/ +/*#define BUFFER_BITSTR_SIZE ((6400*(8)/bbWordSize) +((bbWordSize - 1) / + * bbWordSize))*/ struct AAC_ENC { + AACENC_CONFIG *config; - AACENC_CONFIG *config; + INT ancillaryBitsPerFrame; /* ancillary bits per frame calculated from + ancillary rate */ - INT ancillaryBitsPerFrame; /* ancillary bits per frame calculated from ancillary rate */ + CHANNEL_MAPPING channelMapping; - CHANNEL_MAPPING channelMapping; + QC_STATE *qcKernel; + QC_OUT *qcOut[(1)]; - QC_STATE *qcKernel; - QC_OUT *qcOut[(1)]; - - PSY_OUT *psyOut[(1)]; - PSY_INTERNAL *psyKernel; + PSY_OUT *psyOut[(1)]; + PSY_INTERNAL *psyKernel; /* lifetime vars */ @@ -140,50 +155,61 @@ struct AAC_ENC { INT bandwidth90dB; AACENC_BITRATE_MODE bitrateMode; - INT dontWriteAdif; /* use: write ADIF header only before 1st frame */ - - FIXP_DBL *dynamic_RAM; + INT dontWriteAdif; /* use: write ADIF header only before 1st frame */ + FIXP_DBL *dynamic_RAM; - INT maxChannels; /* used while allocation */ + INT maxChannels; /* used while allocation */ INT maxElements; INT maxFrames; - AUDIO_OBJECT_TYPE aot; /* AOT to be used while encoding. */ + AUDIO_OBJECT_TYPE aot; /* AOT to be used while encoding. */ +}; -} ; - -#define maxSize(a,b) ( ((a)>(b)) ? (a) : (b) ) - -#define BIT_LOOK_UP_SIZE ( sizeof(INT)*(MAX_SFB_LONG*(CODE_BOOK_ESC_NDX+1)) ) -#define MERGE_GAIN_LOOK_UP_SIZE ( sizeof(INT)*MAX_SFB_LONG ) +#define maxSize(a, b) (((a) > (b)) ? (a) : (b)) +#define BIT_LOOK_UP_SIZE \ + (sizeof(INT) * (MAX_SFB_LONG * (CODE_BOOK_ESC_NDX + 1))) +#define MERGE_GAIN_LOOK_UP_SIZE (sizeof(INT) * MAX_SFB_LONG) +/* Size of AhFlag buffer in function FDKaacEnc_adaptThresholdsToPe() */ +#define ADJ_THR_AH_FLAG_SIZE (sizeof(UCHAR) * ((8)) * (2) * MAX_GROUPED_SFB) +/* Size of ThrExp buffer in function FDKaacEnc_adaptThresholdsToPe() */ +#define ADJ_THR_THR_EXP_SIZE (sizeof(FIXP_DBL) * ((8)) * (2) * MAX_GROUPED_SFB) +/* Size of sfbNActiveLinesLdData buffer in function FDKaacEnc_correctThresh() */ +#define ADJ_THR_ACT_LIN_LD_DATA_SIZE \ + (sizeof(FIXP_DBL) * ((8)) * (2) * MAX_GROUPED_SFB) +/* Total amount of dynamic buffer needed in adjust thresholds functionality */ +#define ADJ_THR_SIZE \ + (ADJ_THR_AH_FLAG_SIZE + ADJ_THR_THR_EXP_SIZE + ADJ_THR_ACT_LIN_LD_DATA_SIZE) /* Dynamic RAM - Allocation */ /* - ++++++++++++++++++++++++++++++++++++++++++++ - | P_BUF_0 | P_BUF_1 | - ++++++++++++++++++++++++++++++++++++++++++++ - | QC_OUT_CH | PSY_DYN | - ++++++++++++++++++++++++++++++++++++++++++++ - | | BitLookUp+MergeGainLookUp | - ++++++++++++++++++++++++++++++++++++++++++++ - | | Bitstream output buffer | - ++++++++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++++++++++ + | P_BUF_0 | P_BUF_1 | + +++++++++++++++++++++++++++++++++++++++++++++++++++++ + | QC_OUT_CH | PSY_DYN | + +++++++++++++++++++++++++++++++++++++++++++++++++++++ + | | BitLookUp+MergeGainLookUp | + +++++++++++++++++++++++++++++++++++++++++++++++++++++ + | | AH_FLAG | THR_EXP | ACT_LIN_LD_DATA | + +++++++++++++++++++++++++++++++++++++++++++++++++++++ + | | Bitstream output buffer | + +++++++++++++++++++++++++++++++++++++++++++++++++++++ */ -#define BUF_SIZE_0 ( ALIGN_SIZE(sizeof(QC_OUT_CHANNEL)*(8)) ) -#define BUF_SIZE_1 ( ALIGN_SIZE(maxSize(sizeof(PSY_DYNAMIC), \ - (BIT_LOOK_UP_SIZE+MERGE_GAIN_LOOK_UP_SIZE))) ) - -#define P_BUF_0 ( 0 ) -#define P_BUF_1 ( P_BUF_0 + BUF_SIZE_0 ) +#define BUF_SIZE_0 (ALIGN_SIZE(sizeof(QC_OUT_CHANNEL) * (8))) +#define BUF_SIZE_1 \ + (ALIGN_SIZE(maxSize(maxSize(sizeof(PSY_DYNAMIC), \ + (BIT_LOOK_UP_SIZE + MERGE_GAIN_LOOK_UP_SIZE)), \ + ADJ_THR_SIZE))) -#define AAC_ENC_DYN_RAM_SIZE ( BUF_SIZE_0 + BUF_SIZE_1 ) +#define P_BUF_0 (0) +#define P_BUF_1 (P_BUF_0 + BUF_SIZE_0) +#define AAC_ENC_DYN_RAM_SIZE (BUF_SIZE_0 + BUF_SIZE_1) - H_ALLOC_MEM (AACdynamic_RAM, FIXP_DBL) +H_ALLOC_MEM(AACdynamic_RAM, FIXP_DBL) /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ END - Dynamic RAM - Allocation */ @@ -191,36 +217,33 @@ END - Dynamic RAM - Allocation */ /* See further Memory Allocation details in aacEnc_ram.cpp */ - H_ALLOC_MEM (Ram_aacEnc_AacEncoder, AAC_ENC) - - H_ALLOC_MEM (Ram_aacEnc_PsyElement, PSY_ELEMENT) - - H_ALLOC_MEM (Ram_aacEnc_PsyInternal, PSY_INTERNAL) - H_ALLOC_MEM (Ram_aacEnc_PsyStatic, PSY_STATIC) - H_ALLOC_MEM (Ram_aacEnc_PsyInputBuffer, INT_PCM) +H_ALLOC_MEM(Ram_aacEnc_AacEncoder, AAC_ENC) - PSY_DYNAMIC *GetRam_aacEnc_PsyDynamic (int n, UCHAR* dynamic_RAM); - H_ALLOC_MEM (Ram_bsOutbuffer, UCHAR) +H_ALLOC_MEM(Ram_aacEnc_PsyElement, PSY_ELEMENT) - H_ALLOC_MEM (Ram_aacEnc_PsyOutChannel, PSY_OUT_CHANNEL) +H_ALLOC_MEM(Ram_aacEnc_PsyInternal, PSY_INTERNAL) +H_ALLOC_MEM(Ram_aacEnc_PsyStatic, PSY_STATIC) +H_ALLOC_MEM(Ram_aacEnc_PsyInputBuffer, INT_PCM) - H_ALLOC_MEM (Ram_aacEnc_PsyOut, PSY_OUT) - H_ALLOC_MEM (Ram_aacEnc_PsyOutElements, PSY_OUT_ELEMENT) +PSY_DYNAMIC *GetRam_aacEnc_PsyDynamic(int n, UCHAR *dynamic_RAM); - H_ALLOC_MEM (Ram_aacEnc_QCstate, QC_STATE) - H_ALLOC_MEM (Ram_aacEnc_AdjustThreshold, ADJ_THR_STATE) +H_ALLOC_MEM(Ram_aacEnc_PsyOutChannel, PSY_OUT_CHANNEL) - H_ALLOC_MEM (Ram_aacEnc_AdjThrStateElement, ATS_ELEMENT) - H_ALLOC_MEM (Ram_aacEnc_ElementBits, ELEMENT_BITS) - H_ALLOC_MEM (Ram_aacEnc_BitCntrState, BITCNTR_STATE) +H_ALLOC_MEM(Ram_aacEnc_PsyOut, PSY_OUT) +H_ALLOC_MEM(Ram_aacEnc_PsyOutElements, PSY_OUT_ELEMENT) - INT *GetRam_aacEnc_BitLookUp(int n, UCHAR* dynamic_RAM); - INT *GetRam_aacEnc_MergeGainLookUp(int n, UCHAR* dynamic_RAM); - QC_OUT_CHANNEL *GetRam_aacEnc_QCchannel (int n, UCHAR* dynamic_RAM); +H_ALLOC_MEM(Ram_aacEnc_QCstate, QC_STATE) +H_ALLOC_MEM(Ram_aacEnc_AdjustThreshold, ADJ_THR_STATE) - H_ALLOC_MEM (Ram_aacEnc_QCout, QC_OUT) - H_ALLOC_MEM (Ram_aacEnc_QCelement, QC_OUT_ELEMENT) +H_ALLOC_MEM(Ram_aacEnc_AdjThrStateElement, ATS_ELEMENT) +H_ALLOC_MEM(Ram_aacEnc_ElementBits, ELEMENT_BITS) +H_ALLOC_MEM(Ram_aacEnc_BitCntrState, BITCNTR_STATE) +INT *GetRam_aacEnc_BitLookUp(int n, UCHAR *dynamic_RAM); +INT *GetRam_aacEnc_MergeGainLookUp(int n, UCHAR *dynamic_RAM); +QC_OUT_CHANNEL *GetRam_aacEnc_QCchannel(int n, UCHAR *dynamic_RAM); -#endif /* #ifndef AAC_ENC_RAM_H */ +H_ALLOC_MEM(Ram_aacEnc_QCout, QC_OUT) +H_ALLOC_MEM(Ram_aacEnc_QCelement, QC_OUT_ELEMENT) +#endif /* #ifndef AACENC_RAM_H */ |