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Diffstat (limited to 'libSBRdec/src/sbr_rom.h')
| -rw-r--r-- | libSBRdec/src/sbr_rom.h | 225 |
1 files changed, 103 insertions, 122 deletions
diff --git a/libSBRdec/src/sbr_rom.h b/libSBRdec/src/sbr_rom.h index 1f800bc..039743c 100644 --- a/libSBRdec/src/sbr_rom.h +++ b/libSBRdec/src/sbr_rom.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 @@ -79,68 +90,80 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ + +/**************************** SBR decoder library ****************************** + + Author(s): + + Description: + +*******************************************************************************/ /*! \file \brief Declaration of constant tables - */ -#ifndef __rom_H -#define __rom_H +#ifndef SBR_ROM_H +#define SBR_ROM_H #include "sbrdecoder.h" #include "env_extr.h" #include "qmf.h" -#define INV_INT_TABLE_SIZE 49 -#define SBR_NF_NO_RANDOM_VAL 512 /*!< Size of random number array for noise floor */ +#define INV_INT_TABLE_SIZE 49 +#define SBR_NF_NO_RANDOM_VAL \ + 512 /*!< Size of random number array for noise floor */ /* Frequency scales */ -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_16[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_22[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_24[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_32[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_40[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_44[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_48[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_64[16]; -extern const UCHAR FDK_sbrDecoder_sbr_start_freq_88[16]; + +/* if defined(SBRDEC_RATIO_16_64_ENABLE) ((4) = 4) else ((4) = 2) */ +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_16[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_22[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_24[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_32[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_40[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_44[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_48[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_64[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_88[(4) / 2][16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_192[16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_176[16]; +extern const UCHAR FDK_sbrDecoder_sbr_start_freq_128[16]; /* Low-Power-Profile Transposer */ -#define NUM_WHFACTOR_TABLE_ENTRIES 9 -extern const USHORT FDK_sbrDecoder_sbr_whFactorsIndex[NUM_WHFACTOR_TABLE_ENTRIES]; -extern const FIXP_DBL FDK_sbrDecoder_sbr_whFactorsTable[NUM_WHFACTOR_TABLE_ENTRIES][6]; - - +#define NUM_WHFACTOR_TABLE_ENTRIES 9 +extern const USHORT + FDK_sbrDecoder_sbr_whFactorsIndex[NUM_WHFACTOR_TABLE_ENTRIES]; +extern const FIXP_DBL + FDK_sbrDecoder_sbr_whFactorsTable[NUM_WHFACTOR_TABLE_ENTRIES][6]; /* Envelope Adjustor */ extern const FIXP_SGL FDK_sbrDecoder_sbr_limGains_m[4]; -extern const UCHAR FDK_sbrDecoder_sbr_limGains_e[4]; +extern const UCHAR FDK_sbrDecoder_sbr_limGains_e[4]; +extern const FIXP_SGL FDK_sbrDecoder_sbr_limGainsPvc_m[4]; +extern const UCHAR FDK_sbrDecoder_sbr_limGainsPvc_e[4]; extern const FIXP_SGL FDK_sbrDecoder_sbr_limiterBandsPerOctaveDiv4[4]; extern const FIXP_DBL FDK_sbrDecoder_sbr_limiterBandsPerOctaveDiv4_DBL[4]; extern const FIXP_SGL FDK_sbrDecoder_sbr_smoothFilter[4]; extern const FIXP_SGL FDK_sbrDecoder_sbr_randomPhase[SBR_NF_NO_RANDOM_VAL][2]; -extern const FIXP_SGL harmonicPhaseX [2][4]; /* Envelope Extractor */ -extern const int FDK_sbrDecoder_envelopeTable_8 [8][5]; -extern const int FDK_sbrDecoder_envelopeTable_15 [15][6]; -extern const int FDK_sbrDecoder_envelopeTable_16 [16][6]; - +extern const int FDK_sbrDecoder_envelopeTable_8[8][5]; +extern const int FDK_sbrDecoder_envelopeTable_15[15][6]; +extern const int FDK_sbrDecoder_envelopeTable_16[16][6]; extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info1_15; extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info2_15; extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info4_15; extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info8_15; - extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info1_16; extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info2_16; extern const FRAME_INFO FDK_sbrDecoder_sbr_frame_info4_16; @@ -157,14 +180,10 @@ extern const SCHAR FDK_sbrDecoder_sbr_huffBook_EnvBalance11F[24][2]; extern const SCHAR FDK_sbrDecoder_sbr_huffBook_NoiseLevel11T[62][2]; extern const SCHAR FDK_sbrDecoder_sbr_huffBook_NoiseBalance11T[24][2]; - /* Parametric stereo */ - -extern const FIXP_DBL decayScaleFactTable[NO_QMF_CHANNELS]; - /* FIX_BORDER can have 0, 1, 2, 4 envelops */ extern const UCHAR FDK_sbrDecoder_aFixNoEnvDecode[4]; @@ -184,52 +203,14 @@ extern const FIXP_DBL ScaleFactors[NO_IID_LEVELS]; extern const FIXP_DBL ScaleFactorsFine[NO_IID_LEVELS_FINE]; extern const FIXP_DBL Alphas[NO_ICC_LEVELS]; -#if defined(ARCH_PREFER_MULT_32x16) -extern const FIXP_SGL aAllpassLinkDecaySer[NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_SGL aaFractDelayPhaseFactorReQmf[NO_QMF_CHANNELS]; -extern const FIXP_SGL aaFractDelayPhaseFactorImQmf[NO_QMF_CHANNELS]; -extern const FIXP_SGL aaFractDelayPhaseFactorReSubQmf20[NO_SUB_QMF_CHANNELS]; -extern const FIXP_SGL aaFractDelayPhaseFactorImSubQmf20[NO_SUB_QMF_CHANNELS]; - -extern const FIXP_SGL aaFractDelayPhaseFactorSerReQmf[NO_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_SGL aaFractDelayPhaseFactorSerImQmf[NO_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_SGL aaFractDelayPhaseFactorSerReSubQmf20[NO_SUB_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_SGL aaFractDelayPhaseFactorSerImSubQmf20[NO_SUB_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; - -extern const FIXP_SGL p8_13_20[13]; -extern const FIXP_SGL p2_13_20[13]; - -#else -extern const FIXP_DBL aAllpassLinkDecaySer[NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_DBL aaFractDelayPhaseFactorReQmf[NO_QMF_CHANNELS]; -extern const FIXP_DBL aaFractDelayPhaseFactorImQmf[NO_QMF_CHANNELS]; -extern const FIXP_DBL aaFractDelayPhaseFactorReSubQmf20[NO_SUB_QMF_CHANNELS]; -extern const FIXP_DBL aaFractDelayPhaseFactorImSubQmf20[NO_SUB_QMF_CHANNELS]; - -extern const FIXP_DBL aaFractDelayPhaseFactorSerReQmf[NO_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_DBL aaFractDelayPhaseFactorSerImQmf[NO_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_DBL aaFractDelayPhaseFactorSerReSubQmf20[NO_SUB_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; -extern const FIXP_DBL aaFractDelayPhaseFactorSerImSubQmf20[NO_SUB_QMF_CHANNELS][NO_SERIAL_ALLPASS_LINKS]; - -extern const FIXP_DBL p8_13_20[13]; -extern const FIXP_DBL p2_13_20[13]; -#endif - -extern const UCHAR aAllpassLinkDelaySer[3]; -extern const UCHAR delayIndexQmf[NO_QMF_CHANNELS]; -extern const UCHAR groupBorders20[NO_IID_GROUPS + 1]; -extern const UCHAR groupBorders34[NO_IID_GROUPS_HI_RES + 1]; extern const UCHAR bins2groupMap20[NO_IID_GROUPS]; -extern const UCHAR quantizedIIDs[NO_IID_STEPS]; -extern const UCHAR quantizedIIDsFine[NO_IID_STEPS_FINE]; extern const UCHAR FDK_sbrDecoder_aNoIidBins[3]; extern const UCHAR FDK_sbrDecoder_aNoIccBins[3]; - /* Lookup tables for some arithmetic functions */ #define INV_TABLE_BITS 8 -#define INV_TABLE_SIZE (1<<INV_TABLE_BITS) +#define INV_TABLE_SIZE (1 << INV_TABLE_BITS) extern const FIXP_SGL FDK_sbrDecoder_invTable[INV_TABLE_SIZE]; -#endif // __rom_H +#endif // SBR_ROM_H |