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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 Audio Encoder **************************
-
- Initial author: M.Werner
- contents/description: Noiseless coder module
-
-******************************************************************************/
-
-#ifndef __DYN_BITS_H
-#define __DYN_BITS_H
-
-#include "common_fix.h"
-
-#include "psy_const.h"
-#include "aacenc_tns.h"
-
-#define MAX_SECTIONS MAX_GROUPED_SFB
-#define SECT_ESC_VAL_LONG 31
-#define SECT_ESC_VAL_SHORT 7
-#define CODE_BOOK_BITS 4
-#define SECT_BITS_LONG 5
-#define SECT_BITS_SHORT 3
-#define PNS_PCM_BITS 9
-
-typedef struct
-{
- INT codeBook;
- INT sfbStart;
- INT sfbCnt;
- INT sectionBits; /* huff + si ! */
-} SECTION_INFO;
-
-
-typedef struct
-{
- INT blockType;
- INT noOfGroups;
- INT sfbCnt;
- INT maxSfbPerGroup;
- INT sfbPerGroup;
- INT noOfSections;
- SECTION_INFO huffsection[MAX_SECTIONS];
- INT sideInfoBits; /* sectioning bits */
- INT huffmanBits; /* huffman coded bits */
- INT scalefacBits; /* scalefac coded bits */
- INT noiseNrgBits; /* noiseEnergy coded bits */
- INT firstScf; /* first scf to be coded */
-} SECTION_DATA;
-
-
-struct BITCNTR_STATE
-{
- INT *bitLookUp;
- INT *mergeGainLookUp;
-};
-
-
-INT FDKaacEnc_BCNew(BITCNTR_STATE **phBC
- ,UCHAR* dynamic_RAM
- );
-
-void FDKaacEnc_BCClose(BITCNTR_STATE **phBC);
-
-#if defined(PNS_PRECOUNT_ENABLE)
-INT noisePreCount(const INT *noiseNrg, INT maxSfb);
-#endif
-
-INT FDKaacEnc_dynBitCount(
- BITCNTR_STATE* const hBC,
- const SHORT* const quantSpectrum,
- const UINT* const maxValueInSfb,
- const INT* const scalefac,
- const INT blockType,
- const INT sfbCnt,
- const INT maxSfbPerGroup,
- const INT sfbPerGroup,
- const INT* const sfbOffset,
- SECTION_DATA* const RESTRICT sectionData,
- const INT* const noiseNrg,
- const INT* const isBook,
- const INT* const isScale,
- const UINT syntaxFlags
- );
-
-#endif