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-rw-r--r--libFDK/include/common_fix.h118
1 files changed, 87 insertions, 31 deletions
diff --git a/libFDK/include/common_fix.h b/libFDK/include/common_fix.h
index c5cbd8a..83d4ba3 100644
--- a/libFDK/include/common_fix.h
+++ b/libFDK/include/common_fix.h
@@ -1,29 +1,91 @@
-/*************************** Fraunhofer IIS FDK Tools **********************
- (C) Copyright Fraunhofer IIS (2002)
- All Rights Reserved
+/* -----------------------------------------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© Copyright 1995 - 2012 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
- Please be advised that this software and/or program delivery is
- Confidential Information of Fraunhofer and subject to and covered by the
+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.
- Fraunhofer IIS Software Evaluation Agreement
- between Google Inc. and Fraunhofer
- effective and in full force since March 1, 2012.
+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 software and/or program only under the terms and
- conditions described in the above mentioned Fraunhofer IIS Software
- Evaluation Agreement. Any other and/or further use requires a separate agreement.
+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
+----------------------------------------------------------------------------------------------------------- */
+
+/*************************** Fraunhofer IIS FDK Tools **********************
- $Id$
Author(s): M. Lohwasser, M. Gayer
Description: Flexible fixpoint library configuration
- This software and/or program is protected by copyright law and international
- treaties. Any reproduction or distribution of this software and/or program,
- or any portion of it, may result in severe civil and criminal penalties, and
- will be prosecuted to the maximum extent possible under law.
-
******************************************************************************/
#ifndef _COMMON_FIX_H
@@ -38,9 +100,6 @@
#define FIX_FRACT 0 /* Define this to "1" to use fractional arithmetic simulation in class fract instead of integer arithmetic */
/* 1 for debug with extra runtime overflow checking. */
-/* Truncate -1.0 to -1.0 + 1/(D)FRACT_FIX_SCALE */
-//#define FRACT_TRUNC_MINUSONE
-
/* Define bit sizes of integer fixpoint fractional data types */
#define FRACT_BITS 16 /* single precision */
#define DFRACT_BITS 32 /* double precision */
@@ -92,13 +151,8 @@
/* macros for compile-time conversion of constant float values to fixedpoint */
#define FL2FXCONST_SPC FL2FXCONST_DBL
-#ifdef FRACT_TRUNC_MINUSONE
-#define MINVAL_DBL_CONST MINVAL_DBL+1
-#define MINVAL_SGL_CONST MINVAL_SGL+1
-#else
#define MINVAL_DBL_CONST MINVAL_DBL
#define MINVAL_SGL_CONST MINVAL_SGL
-#endif
#define FL2FXCONST_SGL(val) \
(FIXP_SGL)( ( (val) >= 0) ? \
@@ -171,6 +225,7 @@ FDK_INLINE FIXP_DBL fAbs(FIXP_DBL x)
FDK_INLINE FIXP_SGL fAbs(FIXP_SGL x)
{ return fixabs_S(x); }
+
/* workaround for TI C6x compiler but not for TI ARM9E compiler */
#if (!defined(__TI_COMPILER_VERSION__) || defined(__TI_TMS470_V5__)) && !defined(__x86_64__)
FDK_INLINE INT fAbs(INT x)
@@ -185,9 +240,9 @@ FDK_INLINE INT fNormz(FIXP_DBL x)
{ return fixnormz_D(x); }
FDK_INLINE INT fNormz(FIXP_SGL x)
{ return fixnormz_S(x); }
-FDK_INLINE INT fNorm(FIXP_DBL x)
+FDK_INLINE INT fNorm(FIXP_DBL x)
{ return fixnorm_D(x); }
-FDK_INLINE INT fNorm(FIXP_SGL x)
+FDK_INLINE INT fNorm(FIXP_SGL x)
{ return fixnorm_S(x); }
@@ -281,6 +336,7 @@ FDK_INLINE FIXP_SGL fMin(FIXP_SGL a, FIXP_SGL b)
FDK_INLINE FIXP_SGL fMax(FIXP_SGL a, FIXP_SGL b)
{ return fixmax_S(a,b); }
+
/* workaround for TI C6x compiler but not for TI ARM9E */
#if ((!defined(__TI_COMPILER_VERSION__) || defined(__TI_TMS470_V5__)) && !defined(__x86_64__)) || (FIX_FRACT == 1)
FDK_INLINE INT fMax(INT a, INT b)
@@ -297,19 +353,19 @@ inline UINT fMin(UINT a, UINT b)
/* Complex data types */
typedef shouldBeUnion {
/* vector representation for arithmetic */
- struct {
+ struct {
FIXP_SGL re;
- FIXP_SGL im;
+ FIXP_SGL im;
} v;
/* word representation for memory move */
LONG w;
} FIXP_SPK;
-typedef shouldBeUnion {
+typedef shouldBeUnion {
/* vector representation for arithmetic */
struct {
FIXP_DBL re;
- FIXP_DBL im;
+ FIXP_DBL im;
} v;
/* word representation for memory move */
INT64 w;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 23:13:23 +0000