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/******************************** MPEG Audio Encoder **************************
(C) Copyright Fraunhofer IIS (1999)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
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.
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.
$Id$
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
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