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-
-/* -----------------------------------------------------------------------------------------------------------
-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-4 AAC Decoder  **************************
-
-   Author(s):   Christian Griebel
-   Description: Dynamic range control (DRC) decoder tool for SBR
-
-******************************************************************************/
-
-#ifndef _SBRDEC_DRC_H_
-#define _SBRDEC_DRC_H_
-
-#include "sbrdecoder.h"
-
-
-
-#define SBRDEC_MAX_DRC_CHANNELS  (6)
-#define SBRDEC_MAX_DRC_BANDS     ( 16 )
-
-typedef struct
-{
-  FIXP_DBL prevFact_mag[(64)];
-  INT      prevFact_exp;
-
-  FIXP_DBL currFact_mag[SBRDEC_MAX_DRC_BANDS];
-  FIXP_DBL nextFact_mag[SBRDEC_MAX_DRC_BANDS];
-  INT      currFact_exp;
-  INT      nextFact_exp;
-
-  UINT     numBandsCurr;
-  UINT     numBandsNext;
-  USHORT   bandTopCurr[SBRDEC_MAX_DRC_BANDS];
-  USHORT   bandTopNext[SBRDEC_MAX_DRC_BANDS];
-
-  SHORT    drcInterpolationSchemeCurr;
-  SHORT    drcInterpolationSchemeNext;
-
-  SHORT    enable;
-
-  UCHAR    winSequenceCurr;
-  UCHAR    winSequenceNext;
-
-} SBRDEC_DRC_CHANNEL;
-
-typedef SBRDEC_DRC_CHANNEL * HANDLE_SBR_DRC_CHANNEL;
-
-
-void sbrDecoder_drcInitChannel (
-    HANDLE_SBR_DRC_CHANNEL  hDrcData );
-
-void sbrDecoder_drcUpdateChannel (
-    HANDLE_SBR_DRC_CHANNEL  hDrcData );
-
-void sbrDecoder_drcApplySlot (
-    HANDLE_SBR_DRC_CHANNEL  hDrcData,
-    FIXP_DBL *qmfRealSlot,
-    FIXP_DBL *qmfImagSlot,
-    int  col,
-    int  numQmfSubSamples,
-    int  maxShift );
-
-void sbrDecoder_drcApply (
-    HANDLE_SBR_DRC_CHANNEL  hDrcData,
-    FIXP_DBL **QmfBufferReal,
-    FIXP_DBL **QmfBufferImag,
-    int  numQmfSubSamples,
-    int *scaleFactor );
-
-
-#endif  /* _SBRDEC_DRC_H_ */