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Diffstat (limited to 'libFDK/include/cplx_mul.h')
| -rw-r--r-- | libFDK/include/cplx_mul.h | 325 |
1 files changed, 171 insertions, 154 deletions
diff --git a/libFDK/include/cplx_mul.h b/libFDK/include/cplx_mul.h index ce5c9f7..9c5da57 100644 --- a/libFDK/include/cplx_mul.h +++ b/libFDK/include/cplx_mul.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 @@ -79,114 +90,113 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ -/*************************** Fraunhofer IIS FDK Tools ********************** +/******************* Library for basic calculation routines ******************** Author(s): + Description: fixed point intrinsics -******************************************************************************/ +*******************************************************************************/ -#include "common_fix.h" +#if !defined(CPLX_MUL_H) +#define CPLX_MUL_H -#if !defined(__CPLX_Mult_H__) -#define __CPLX_Mult_H__ +#include "common_fix.h" -#if defined(__CC_ARM) || defined(__arm__) || defined(_M_ARM) /* cppp replaced: elif */ -#include "arm/cplx_mul.h" +#if defined(__arm__) || defined(_M_ARM) +#include "arm/cplx_mul_arm.h" #elif defined(__GNUC__) && defined(__mips__) && __mips_isa_rev < 6 -#include "mips/cplx_mul.h" +#include "mips/cplx_mul_mips.h" #endif /* #if defined all cores: bfin, arm, etc. */ -/* ############################################################################# */ +/* ############################################################################# + */ /* Fallback generic implementations */ #if !defined(FUNCTION_cplxMultDiv2_32x16X2) #define FUNCTION_cplxMultDiv2_32x16X2 -inline void cplxMultDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_SGL b_Re, - const FIXP_SGL b_Im) -{ - *c_Re = fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im); - *c_Im = fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re); +inline void cplxMultDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_SGL b_Re, + const FIXP_SGL b_Im) { + *c_Re = fMultDiv2(a_Re, b_Re) - fMultDiv2(a_Im, b_Im); + *c_Im = fMultDiv2(a_Re, b_Im) + fMultDiv2(a_Im, b_Re); +} +#endif + +#if !defined(FUNCTION_cplxMultDiv2_16x16X2) +#define FUNCTION_cplxMultDiv2_16x16X2 + +inline void cplxMultDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_SGL a_Re, + const FIXP_SGL a_Im, const FIXP_SGL b_Re, + const FIXP_SGL b_Im) { + *c_Re = fMultDiv2(a_Re, b_Re) - fMultDiv2(a_Im, b_Im); + *c_Im = fMultDiv2(a_Re, b_Im) + fMultDiv2(a_Im, b_Re); +} + +inline void cplxMultDiv2(FIXP_SGL *c_Re, FIXP_SGL *c_Im, const FIXP_SGL a_Re, + const FIXP_SGL a_Im, const FIXP_SGL b_Re, + const FIXP_SGL b_Im) { + *c_Re = FX_DBL2FX_SGL(fMultDiv2(a_Re, b_Re) - fMultDiv2(a_Im, b_Im)); + *c_Im = FX_DBL2FX_SGL(fMultDiv2(a_Re, b_Im) + fMultDiv2(a_Im, b_Re)); } #endif #if !defined(FUNCTION_cplxMultDiv2_32x16) #define FUNCTION_cplxMultDiv2_32x16 -inline void cplxMultDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_SPK w ) -{ +inline void cplxMultDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_SPK w) { cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im); } #endif -#if !defined(FUNCTION_cplxMultAddDiv2_32x16X2) -#define FUNCTION_cplxMultAddDiv2_32x16X2 - -inline void cplxMultAddDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_SGL b_Re, - const FIXP_SGL b_Im) -{ - *c_Re += fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im); - *c_Im += fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re); +#if !defined(FUNCTION_cplxMultDiv2_16x16) +#define FUNCTION_cplxMultDiv2_16x16 + +inline void cplxMultDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_SGL a_Re, + const FIXP_SGL a_Im, const FIXP_SPK w) { + cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im); +} + +inline void cplxMultDiv2(FIXP_SGL *c_Re, FIXP_SGL *c_Im, const FIXP_SGL a_Re, + const FIXP_SGL a_Im, const FIXP_SPK w) { + cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im); } #endif #if !defined(FUNCTION_cplxMultSubDiv2_32x16X2) #define FUNCTION_cplxMultSubDiv2_32x16X2 -inline void cplxMultSubDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_SGL b_Re, - const FIXP_SGL b_Im) -{ - *c_Re -= fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im); - *c_Im -= fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re); +inline void cplxMultSubDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_SGL b_Re, + const FIXP_SGL b_Im) { + *c_Re -= fMultDiv2(a_Re, b_Re) - fMultDiv2(a_Im, b_Im); + *c_Im -= fMultDiv2(a_Re, b_Im) + fMultDiv2(a_Im, b_Re); } #endif #if !defined(FUNCTION_cplxMultDiv2_32x32X2) #define FUNCTION_cplxMultDiv2_32x32X2 -inline void cplxMultDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_DBL b_Re, - const FIXP_DBL b_Im) -{ - *c_Re = fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im); - *c_Im = fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re); +inline void cplxMultDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_DBL b_Re, + const FIXP_DBL b_Im) { + *c_Re = fMultDiv2(a_Re, b_Re) - fMultDiv2(a_Im, b_Im); + *c_Im = fMultDiv2(a_Re, b_Im) + fMultDiv2(a_Im, b_Re); } #endif #if !defined(FUNCTION_cplxMultDiv2_32x32) #define FUNCTION_cplxMultDiv2_32x32 -inline void cplxMultDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_DPK w) -{ +inline void cplxMultDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_DPK w) { cplxMultDiv2(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im); } #endif @@ -194,44 +204,39 @@ inline void cplxMultDiv2( FIXP_DBL *c_Re, #if !defined(FUNCTION_cplxMultSubDiv2_32x32X2) #define FUNCTION_cplxMultSubDiv2_32x32X2 -inline void cplxMultSubDiv2( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_DBL b_Re, - const FIXP_DBL b_Im) -{ - *c_Re -= fMultDiv2(a_Re,b_Re) - fMultDiv2(a_Im,b_Im); - *c_Im -= fMultDiv2(a_Re,b_Im) + fMultDiv2(a_Im,b_Re); +inline void cplxMultSubDiv2(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_DBL b_Re, + const FIXP_DBL b_Im) { + *c_Re -= fMultDiv2(a_Re, b_Re) - fMultDiv2(a_Im, b_Im); + *c_Im -= fMultDiv2(a_Re, b_Im) + fMultDiv2(a_Im, b_Re); } #endif -/* ############################################################################# */ + /* ############################################################################# + */ #if !defined(FUNCTION_cplxMult_32x16X2) #define FUNCTION_cplxMult_32x16X2 -inline void cplxMult( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_SGL b_Re, - const FIXP_SGL b_Im) -{ - *c_Re = fMult(a_Re,b_Re) - fMult(a_Im,b_Im); - *c_Im = fMult(a_Re,b_Im) + fMult(a_Im,b_Re); +inline void cplxMult(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_SGL b_Re, + const FIXP_SGL b_Im) { + *c_Re = fMult(a_Re, b_Re) - fMult(a_Im, b_Im); + *c_Im = fMult(a_Re, b_Im) + fMult(a_Im, b_Re); +} +inline void cplxMult(FIXP_SGL *c_Re, FIXP_SGL *c_Im, const FIXP_SGL a_Re, + const FIXP_SGL a_Im, const FIXP_SGL b_Re, + const FIXP_SGL b_Im) { + *c_Re = FX_DBL2FX_SGL(fMult(a_Re, b_Re) - fMult(a_Im, b_Im)); + *c_Im = FX_DBL2FX_SGL(fMult(a_Re, b_Im) + fMult(a_Im, b_Re)); } #endif #if !defined(FUNCTION_cplxMult_32x16) #define FUNCTION_cplxMult_32x16 -inline void cplxMult( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_SPK w ) -{ +inline void cplxMult(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_SPK w) { cplxMult(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im); } #endif @@ -239,31 +244,43 @@ inline void cplxMult( FIXP_DBL *c_Re, #if !defined(FUNCTION_cplxMult_32x32X2) #define FUNCTION_cplxMult_32x32X2 -inline void cplxMult( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_DBL b_Re, - const FIXP_DBL b_Im) -{ - *c_Re = fMult(a_Re,b_Re) - fMult(a_Im,b_Im); - *c_Im = fMult(a_Re,b_Im) + fMult(a_Im,b_Re); +inline void cplxMult(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_DBL b_Re, + const FIXP_DBL b_Im) { + *c_Re = fMult(a_Re, b_Re) - fMult(a_Im, b_Im); + *c_Im = fMult(a_Re, b_Im) + fMult(a_Im, b_Re); } #endif #if !defined(FUNCTION_cplxMult_32x32) #define FUNCTION_cplxMult_32x32 -inline void cplxMult( FIXP_DBL *c_Re, - FIXP_DBL *c_Im, - const FIXP_DBL a_Re, - const FIXP_DBL a_Im, - const FIXP_DPK w) -{ +inline void cplxMult(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_DPK w) { cplxMult(c_Re, c_Im, a_Re, a_Im, w.v.re, w.v.im); } #endif -/* ############################################################################# */ +#if !defined(FUNCTION_cplxMult_nIm) +#define FUNCTION_cplxMult_nIm + +/* Same as cplxMult, but + a_Im must be negated, when used + c_re must be negated, when output +*/ +inline void cplxMult_nIm(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_SPK w) { + *c_Re = -(fMult(a_Re, w.v.re) + fMult(a_Im, w.v.im)); + *c_Im = fMult(a_Re, w.v.im) - fMult(a_Im, w.v.re); +} + +inline void cplxMult_nIm(FIXP_DBL *c_Re, FIXP_DBL *c_Im, const FIXP_DBL a_Re, + const FIXP_DBL a_Im, const FIXP_DPK w) { + *c_Re = -(fMult(a_Re, w.v.re) + fMult(a_Im, w.v.im)); + *c_Im = fMult(a_Re, w.v.im) - fMult(a_Im, w.v.re); +} +#endif -#endif /* __CPLX_Mult_H__ */ + /* ############################################################################# + */ +#endif /* CPLX_MUL_H */ |