Remove FDK-AAC

1 files changed, 0 insertions, 209 deletions

diff --git a/libAACenc/src/line_pe.cpp b/libAACenc/src/line_pe.cpp
deleted file mode 100644
index f3c0dab..0000000
--- a/libAACenc/src/line_pe.cpp
+++ /dev/null
@@ -1,209 +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. Werner
-   contents/description: Perceptual entropie module
-
-******************************************************************************/
-
-#include "line_pe.h"
-#include "sf_estim.h"
-#include "bit_cnt.h"
-
-#include "genericStds.h"
-
-static const FIXP_DBL C1LdData = FL2FXCONST_DBL(3.0/LD_DATA_SCALING);        /* C1 = 3.0 = log(8.0)/log(2) */
-static const FIXP_DBL C2LdData = FL2FXCONST_DBL(1.3219281/LD_DATA_SCALING);  /* C2 = 1.3219281 = log(2.5)/log(2) */
-static const FIXP_DBL C3LdData = FL2FXCONST_DBL(0.5593573);                  /* 1-C2/C1 */
-
-
-/* constants that do not change during successive pe calculations */
-void FDKaacEnc_prepareSfbPe(PE_CHANNEL_DATA *peChanData,
-                  const FIXP_DBL  *sfbEnergyLdData,
-                  const FIXP_DBL  *sfbThresholdLdData,
-                  const FIXP_DBL  *sfbFormFactorLdData,
-                  const INT       *sfbOffset,
-                  const INT       sfbCnt,
-                  const INT       sfbPerGroup,
-                  const INT       maxSfbPerGroup)
-{
-   INT sfbGrp,sfb;
-   INT sfbWidth;
-   FIXP_DBL avgFormFactorLdData;
-   const FIXP_DBL formFacScaling = FL2FXCONST_DBL((float)FORM_FAC_SHIFT/LD_DATA_SCALING);
-
-   for (sfbGrp = 0;sfbGrp < sfbCnt;sfbGrp+=sfbPerGroup) {
-    for (sfb=0; sfb<maxSfbPerGroup; sfb++) {
-      if ((FIXP_DBL)sfbEnergyLdData[sfbGrp+sfb] > (FIXP_DBL)sfbThresholdLdData[sfbGrp+sfb]) {
-         sfbWidth = sfbOffset[sfbGrp+sfb+1] - sfbOffset[sfbGrp+sfb];
-         /* estimate number of active lines */
-         avgFormFactorLdData = ((-sfbEnergyLdData[sfbGrp+sfb]>>1) + (CalcLdInt(sfbWidth)>>1))>>1;
-         peChanData->sfbNLines[sfbGrp+sfb] =
-           (INT)CalcInvLdData( (sfbFormFactorLdData[sfbGrp+sfb] + formFacScaling) + avgFormFactorLdData);
-         /* Make sure sfbNLines is never greater than sfbWidth due to unaccuracies (e.g. sfbEnergyLdData[sfbGrp+sfb] = 0x80000000) */
-         peChanData->sfbNLines[sfbGrp+sfb] = fMin(sfbWidth, peChanData->sfbNLines[sfbGrp+sfb]);
-      }
-      else {
-         peChanData->sfbNLines[sfbGrp+sfb] = 0;
-      }
-    }
-   }
-}
-
-/*
-   formula for one sfb:
-   pe = n * ld(en/thr),                if ld(en/thr) >= C1
-   pe = n * (C2 + C3 * ld(en/thr)),    if ld(en/thr) <  C1
-   n: estimated number of lines in sfb,
-   ld(x) = log(x)/log(2)
-
-   constPart is sfbPe without the threshold part n*ld(thr) or n*C3*ld(thr)
-*/
-void FDKaacEnc_calcSfbPe(PE_CHANNEL_DATA  *RESTRICT peChanData,
-               const FIXP_DBL   *RESTRICT sfbEnergyLdData,
-               const FIXP_DBL   *RESTRICT sfbThresholdLdData,
-               const INT        sfbCnt,
-               const INT        sfbPerGroup,
-               const INT        maxSfbPerGroup,
-               const INT       *isBook,
-               const INT       *isScale)
-{
-   INT sfbGrp,sfb;
-   INT nLines;
-   FIXP_DBL logDataRatio;
-   INT lastValIs = 0;
-
-   peChanData->pe = 0;
-   peChanData->constPart = 0;
-   peChanData->nActiveLines = 0;
-
-   for(sfbGrp = 0;sfbGrp < sfbCnt;sfbGrp+=sfbPerGroup){
-    for (sfb=0; sfb<maxSfbPerGroup; sfb++) {
-      if ((FIXP_DBL)sfbEnergyLdData[sfbGrp+sfb] > (FIXP_DBL)sfbThresholdLdData[sfbGrp+sfb]) {
-         logDataRatio = (FIXP_DBL)(sfbEnergyLdData[sfbGrp+sfb] - sfbThresholdLdData[sfbGrp+sfb]);
-         nLines = peChanData->sfbNLines[sfbGrp+sfb];
-         if (logDataRatio >= C1LdData) {
-            /* scale sfbPe and sfbConstPart with PE_CONSTPART_SHIFT */
-            peChanData->sfbPe[sfbGrp+sfb] = fMultDiv2(logDataRatio, (FIXP_DBL)(nLines<<(LD_DATA_SHIFT+PE_CONSTPART_SHIFT+1)));
-            peChanData->sfbConstPart[sfbGrp+sfb] =
-                    fMultDiv2(sfbEnergyLdData[sfbGrp+sfb], (FIXP_DBL)(nLines<<(LD_DATA_SHIFT+PE_CONSTPART_SHIFT+1))); ;
-
-         }
-         else {
-            /* scale sfbPe and sfbConstPart with PE_CONSTPART_SHIFT */
-            peChanData->sfbPe[sfbGrp+sfb] =
-                     fMultDiv2(((FIXP_DBL)C2LdData + fMult(C3LdData,logDataRatio)), (FIXP_DBL)(nLines<<(LD_DATA_SHIFT+PE_CONSTPART_SHIFT+1)));
-
-            peChanData->sfbConstPart[sfbGrp+sfb] =
-                     fMultDiv2(((FIXP_DBL)C2LdData + fMult(C3LdData,sfbEnergyLdData[sfbGrp+sfb])),
-                           (FIXP_DBL)(nLines<<(LD_DATA_SHIFT+PE_CONSTPART_SHIFT+1))) ;
-
-            nLines = fMultI(C3LdData, nLines);
-         }
-         peChanData->sfbNActiveLines[sfbGrp+sfb] = nLines;
-      }
-      else if( isBook[sfbGrp+sfb] ) {
-        /* provide for cost of scale factor for Intensity */
-        INT delta = isScale[sfbGrp+sfb] - lastValIs;
-        lastValIs = isScale[sfbGrp+sfb];
-        peChanData->sfbPe[sfbGrp+sfb] = FDKaacEnc_bitCountScalefactorDelta(delta)<<PE_CONSTPART_SHIFT;
-        peChanData->sfbConstPart[sfbGrp+sfb] = 0;
-        peChanData->sfbNActiveLines[sfbGrp+sfb] = 0;
-      }
-      else {
-         peChanData->sfbPe[sfbGrp+sfb] = 0;
-         peChanData->sfbConstPart[sfbGrp+sfb] = 0;
-         peChanData->sfbNActiveLines[sfbGrp+sfb] = 0;
-      }
-      /* sum up peChanData values */
-      peChanData->pe += peChanData->sfbPe[sfbGrp+sfb];
-      peChanData->constPart += peChanData->sfbConstPart[sfbGrp+sfb];
-      peChanData->nActiveLines += peChanData->sfbNActiveLines[sfbGrp+sfb];
-    }
-   }
-   /* correct scaled pe and constPart values */
-   peChanData->pe>>=PE_CONSTPART_SHIFT;
-   peChanData->constPart>>=PE_CONSTPART_SHIFT;
-}