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+/* -----------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© 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.
+
+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:
+
+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
+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.
+
+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."
+
+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.
+
+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.
+
+5.    CONTACT INFORMATION
+
+Fraunhofer Institute for Integrated Circuits IIS
+Attention: Audio and Multimedia Departments - FDK AAC LL
+Am Wolfsmantel 33
+91058 Erlangen, Germany
+
+www.iis.fraunhofer.de/amm
+amm-info@iis.fraunhofer.de
+----------------------------------------------------------------------------- */
+
+/******************* Library for basic calculation routines ********************
+
+   Author(s):
+
+   Description:
+
+*******************************************************************************/
+
+#ifndef FDK_ARCHDEF_H
+#define FDK_ARCHDEF_H
+
+/* Unify some few toolchain specific defines to avoid having large "or" macro
+ * contraptions all over the source code. */
+
+/* Use single macro (the GCC built in macro) for architecture identification
+ * independent of the particular toolchain */
+#if defined(__i386__) || defined(__i486__) || defined(__i586__) ||  \
+    defined(__i686__) || (defined(_MSC_VER) && defined(_M_IX86)) || \
+    (defined(_MSC_VER) && defined(_M_X64)) || defined(__x86_64__)
+#define __x86__
+#endif
+
+#if defined(_M_ARM) && !defined(__arm__) || defined(__aarch64__) || defined(_M_ARM64)
+#define __arm__
+#endif
+
+#if defined(_ARCH_PPC) && !defined(__powerpc__)
+#define __powerpc__ 1
+#endif
+
+#if (__TARGET_ARCH_ARM == 5) || defined(__TARGET_FEATURE_DSPMUL) || \
+    (_M_ARM == 5) || defined(__ARM_ARCH_5TEJ__) || defined(__ARM_ARCH_7EM__)
+/* Define __ARM_ARCH_5TE__ if armv5te features are supported  */
+#define __ARM_ARCH_5TE__
+#endif
+
+#if (__TARGET_ARCH_ARM == 6) || defined(__ARM_ARCH_6J__) || \
+    defined(__ARM_ARCH_6ZK__)
+/* Define __ARM_ARCH_6__ if the armv6 intructions are being supported. */
+#define __ARM_ARCH_5TE__
+#define __ARM_ARCH_6__
+#endif
+
+#if defined(__TARGET_ARCH_7_R) || defined(__ARM_ARCH_7R__)
+/* Define __ARM_ARCH_7_A__ if the armv7 intructions are being supported. */
+#define __ARM_ARCH_5TE__
+#define __ARM_ARCH_6__
+#define __ARM_ARCH_7_R__
+#endif
+
+#if defined(__TARGET_ARCH_7_A) || defined(__ARM_ARCH_7A__) || \
+    ((__ARM_ARCH == 8) && (__ARM_32BIT_STATE == 1))
+/* Define __ARM_ARCH_7_A__ if the armv7 intructions are being supported. */
+#define __ARM_ARCH_5TE__
+#define __ARM_ARCH_6__
+#define __ARM_ARCH_7_A__
+#endif
+
+#if defined(__TARGET_ARCH_7_M) || defined(__ARM_ARCH_7_M__)
+/* Define __ARM_ARCH_7M__ if the ARMv7-M instructions are being supported, e.g.
+ * Cortex-M3. */
+#define __ARM_ARCH_7M__
+#endif
+
+#if defined(__TARGET_ARCH_7E_M) || defined(__ARM_ARCH_7E_M__)
+/* Define __ARM_ARCH_7EM__ if the ARMv7-ME instructions are being supported,
+ * e.g. Cortex-M4. */
+#define __ARM_ARCH_7EM__
+#endif
+
+#if defined(__aarch64__) || defined(_M_ARM64)
+#define __ARM_ARCH_8__
+#endif
+
+#ifdef _M_ARM
+#include "armintr.h"
+#endif
+
+/* Define preferred Multiplication type */
+
+#if defined(__mips__)
+#define ARCH_PREFER_MULT_16x16
+#undef SINETABLE_16BIT
+#undef POW2COEFF_16BIT
+#undef LDCOEFF_16BIT
+#undef WINDOWTABLE_16BIT
+
+#elif defined(__arm__) && defined(__ARM_ARCH_8__)
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+#define WINDOWTABLE_16BIT
+
+#elif defined(__arm__) && defined(__ARM_ARCH_5TE__)
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+#define WINDOWTABLE_16BIT
+
+#elif defined(__arm__) && defined(__ARM_ARCH_7M__)
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+#define WINDOWTABLE_16BIT
+
+#elif defined(__arm__) && defined(__ARM_ARCH_7EM__)
+#define ARCH_PREFER_MULT_32x32
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+#define WINDOWTABLE_16BIT
+
+#elif defined(__arm__) && !defined(__ARM_ARCH_5TE__)
+#define ARCH_PREFER_MULT_16x16
+#undef SINETABLE_16BIT
+#undef WINDOWTABLE_16BIT
+#undef POW2COEFF_16BIT
+#undef LDCOEFF_16BIT
+
+#elif defined(__x86__)
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define WINDOWTABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+
+#elif defined(__powerpc__)
+#define ARCH_PREFER_MULT_32x32
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+#define WINDOWTABLE_16BIT
+
+#else
+#warning >>>> Please set architecture characterization defines for your platform (FDK_HIGH_PERFORMANCE)! <<<<
+
+#endif /* Architecture switches */
+
+#ifdef SINETABLE_16BIT
+#define FIXP_STB FIXP_SGL /* STB sinus Tab used in transformation */
+#define FIXP_STP FIXP_SPK
+#define STC(a) (FX_DBL2FXCONST_SGL(a))
+#else
+#define FIXP_STB FIXP_DBL
+#define FIXP_STP FIXP_DPK
+#define STC(a) ((FIXP_DBL)(LONG)(a))
+#endif /* defined(SINETABLE_16BIT) */
+
+#define STCP(cos, sin)     \
+  {                        \
+    { STC(cos), STC(sin) } \
+  }
+
+#ifdef WINDOWTABLE_16BIT
+#define FIXP_WTB FIXP_SGL /* single FIXP_SGL values */
+#define FX_DBL2FX_WTB(x) FX_DBL2FX_SGL(x)
+#define FIXP_WTP FIXP_SPK /* packed FIXP_SGL values */
+#define WTC(a) FX_DBL2FXCONST_SGL(a)
+#else /* SINETABLE_16BIT */
+#define FIXP_WTB FIXP_DBL
+#define FX_DBL2FX_WTB(x) (x)
+#define FIXP_WTP FIXP_DPK
+#define WTC(a) (FIXP_DBL)(a)
+#endif /* SINETABLE_16BIT */
+
+#define WTCP(a, b)     \
+  {                    \
+    { WTC(a), WTC(b) } \
+  }
+
+#endif /* FDK_ARCHDEF_H */