Remove FDK-AAC

1 files changed, 0 insertions, 228 deletions

diff --git a/libAACenc/src/noisedet.cpp b/libAACenc/src/noisedet.cpp
deleted file mode 100644
index f3c51de..0000000
--- a/libAACenc/src/noisedet.cpp
+++ /dev/null
@@ -1,228 +0,0 @@
-
-/* -----------------------------------------------------------------------------------------------------------
-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.
-
- 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
------------------------------------------------------------------------------------------------------------ */
-
-/******************************** MPEG Audio Encoder **************************
-
-   Initial author:       M. Lohwasser
-   contents/description: noisedet.c
-                         Routines for Noise Detection
-
-******************************************************************************/
-
-#include "noisedet.h"
-
-#include "aacenc_pns.h"
-#include "pnsparam.h"
-
-
-/*****************************************************************************
-
-    functionname: FDKaacEnc_fuzzyIsSmaller
-    description:  Fuzzy value calculation for "testVal is smaller than refVal"
-    returns:      fuzzy value
-    input:        test and ref Value,
-                  low and high Lim
-    output:       return fuzzy value
-
-*****************************************************************************/
-static FIXP_SGL FDKaacEnc_fuzzyIsSmaller( FIXP_DBL testVal,
-                                FIXP_DBL refVal,
-                                FIXP_DBL loLim,
-                                FIXP_DBL hiLim )
-{
-  if (refVal <= FL2FXCONST_DBL(0.0))
-        return( FL2FXCONST_SGL(0.0f) );
-  else if (testVal >= fMult((hiLim>>1)+(loLim>>1), refVal))
-        return( FL2FXCONST_SGL(0.0f) );
-  else  return( (FIXP_SGL)MAXVAL_SGL );
-}
-
-
-
-/*****************************************************************************
-
-    functionname: FDKaacEnc_noiseDetect
-    description:  detect tonal sfb's; two tests
-                  Powerdistribution:
-                    sfb splittet in four regions,
-                    compare the energy in all sections
-                  PsychTonality:
-                    compare tonality from chaosmeasure with reftonality
-    returns:
-    input:        spectrum of one large mdct
-                  number of sfb's
-                  pointer to offset of sfb's
-                  pointer to noiseFuzzyMeasure (modified)
-                  noiseparams struct
-                  pointer to sfb energies
-                  pointer to tonality calculated in chaosmeasure
-    output:       noiseFuzzy Measure
-
-*****************************************************************************/
-
-void FDKaacEnc_noiseDetect(FIXP_DBL    *RESTRICT mdctSpectrum,
-                 INT         *RESTRICT sfbMaxScaleSpec,
-                 INT          sfbActive,
-                 const INT   *RESTRICT sfbOffset,
-                 FIXP_SGL    *RESTRICT noiseFuzzyMeasure,
-                 NOISEPARAMS *np,
-                 FIXP_SGL    *RESTRICT sfbtonality )
-
-{
-  int    i, k, sfb, sfbWidth;
-  FIXP_SGL fuzzy, fuzzyTotal;
-  FIXP_DBL refVal, testVal;
-
-  /***** Start detection phase *****/
-  /* Start noise detection for each band based on a number of checks */
-  for (sfb=0; sfb<sfbActive; sfb++) {
-
-    fuzzyTotal = (FIXP_SGL)MAXVAL_SGL;
-    sfbWidth = sfbOffset[sfb+1] - sfbOffset[sfb];
-
-    /* Reset output for lower bands or too small bands */
-    if (sfb < np->startSfb  ||  sfbWidth < np->minSfbWidth) {
-      noiseFuzzyMeasure[sfb] = FL2FXCONST_SGL(0.0f);
-      continue;
-    }
-
-    if ( (np->detectionAlgorithmFlags & USE_POWER_DISTRIBUTION) && (fuzzyTotal > FL2FXCONST_SGL(0.5f)) ) {
-      FIXP_DBL fhelp1, fhelp2, fhelp3, fhelp4, maxVal, minVal;
-      INT leadingBits = fixMax(0,(sfbMaxScaleSpec[sfb] - 3));         /* max sfbWidth = 96/4 ; 2^5=32 => 5/2 = 3 (spc*spc) */
-
-      /*  check power distribution in four regions */
-      fhelp1 = fhelp2 = fhelp3 = fhelp4 = FL2FXCONST_DBL(0.0f);
-      k = sfbWidth >>2;  /* Width of a quarter band */
-
-      for (i=sfbOffset[sfb]; i<sfbOffset[sfb]+k; i++) {
-        fhelp1 = fPow2AddDiv2(fhelp1, mdctSpectrum[i]<<leadingBits);
-        fhelp2 = fPow2AddDiv2(fhelp2, mdctSpectrum[i+k]<<leadingBits);
-        fhelp3 = fPow2AddDiv2(fhelp3, mdctSpectrum[i+2*k]<<leadingBits);
-        fhelp4 = fPow2AddDiv2(fhelp4, mdctSpectrum[i+3*k]<<leadingBits);
-      }
-
-      /* get max into fhelp: */
-      maxVal = fixMax(fhelp1, fhelp2);
-      maxVal = fixMax(maxVal, fhelp3);
-      maxVal = fixMax(maxVal, fhelp4);
-
-      /* get min into fhelp1: */
-      minVal = fixMin(fhelp1, fhelp2);
-      minVal = fixMin(minVal, fhelp3);
-      minVal = fixMin(minVal, fhelp4);
-
-      /* Normalize min and max Val */
-      leadingBits = CountLeadingBits(maxVal);
-      testVal = maxVal << leadingBits;
-      refVal  = minVal << leadingBits;
-
-      /* calculate fuzzy value for power distribution */
-      testVal = fMultDiv2(testVal, np->powDistPSDcurve[sfb]);
-
-      fuzzy = FDKaacEnc_fuzzyIsSmaller(testVal,           /* 1/2 * maxValue * PSDcurve */
-                             refVal,            /* 1   * minValue            */
-                             FL2FXCONST_DBL(0.495),  /* 1/2 * loLim  (0.99f/2)    */
-                             FL2FXCONST_DBL(0.505)); /* 1/2 * hiLim  (1.01f/2)    */
-
-      fuzzyTotal = fixMin(fuzzyTotal, fuzzy);
-    }
-
-    if ( (np->detectionAlgorithmFlags & USE_PSYCH_TONALITY) && (fuzzyTotal > FL2FXCONST_SGL(0.5f)) ) {
-      /* Detection with tonality-value of psych. acoustic (here: 1 is tonal!)*/
-
-      testVal = FX_SGL2FX_DBL(sfbtonality[sfb])>>1;          /* 1/2 * sfbTonality         */
-      refVal  = np->refTonality;
-
-      fuzzy   = FDKaacEnc_fuzzyIsSmaller(testVal,
-                               refVal,
-                               FL2FXCONST_DBL(0.45f),    /* 1/2 * loLim  (0.9f/2)     */
-                               FL2FXCONST_DBL(0.55f));   /* 1/2 * hiLim  (1.1f/2)     */
-
-      fuzzyTotal = fixMin(fuzzyTotal, fuzzy);
-    }
-
-
-    /* Output of final result */
-    noiseFuzzyMeasure[sfb] = fuzzyTotal;
-  }
-}