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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: Huffman Bitcounter & coder
******************************************************************************/
#ifndef __BITCOUNT_H
#define __BITCOUNT_H
#include "common_fix.h"
#include "FDK_bitstream.h"
#include "aacEnc_rom.h"
#define INVALID_BITCOUNT (FDK_INT_MAX/4)
/*
code book number table
*/
enum codeBookNo{
CODE_BOOK_ZERO_NO= 0,
CODE_BOOK_1_NO= 1,
CODE_BOOK_2_NO= 2,
CODE_BOOK_3_NO= 3,
CODE_BOOK_4_NO= 4,
CODE_BOOK_5_NO= 5,
CODE_BOOK_6_NO= 6,
CODE_BOOK_7_NO= 7,
CODE_BOOK_8_NO= 8,
CODE_BOOK_9_NO= 9,
CODE_BOOK_10_NO= 10,
CODE_BOOK_ESC_NO= 11,
CODE_BOOK_RES_NO= 12,
CODE_BOOK_PNS_NO= 13,
CODE_BOOK_IS_OUT_OF_PHASE_NO= 14,
CODE_BOOK_IS_IN_PHASE_NO= 15
};
/*
code book index table
*/
enum codeBookNdx{
CODE_BOOK_ZERO_NDX,
CODE_BOOK_1_NDX,
CODE_BOOK_2_NDX,
CODE_BOOK_3_NDX,
CODE_BOOK_4_NDX,
CODE_BOOK_5_NDX,
CODE_BOOK_6_NDX,
CODE_BOOK_7_NDX,
CODE_BOOK_8_NDX,
CODE_BOOK_9_NDX,
CODE_BOOK_10_NDX,
CODE_BOOK_ESC_NDX,
CODE_BOOK_RES_NDX,
CODE_BOOK_PNS_NDX,
CODE_BOOK_IS_OUT_OF_PHASE_NDX,
CODE_BOOK_IS_IN_PHASE_NDX,
NUMBER_OF_CODE_BOOKS
};
/*
code book lav table
*/
enum codeBookLav{
CODE_BOOK_ZERO_LAV=0,
CODE_BOOK_1_LAV=1,
CODE_BOOK_2_LAV=1,
CODE_BOOK_3_LAV=2,
CODE_BOOK_4_LAV=2,
CODE_BOOK_5_LAV=4,
CODE_BOOK_6_LAV=4,
CODE_BOOK_7_LAV=7,
CODE_BOOK_8_LAV=7,
CODE_BOOK_9_LAV=12,
CODE_BOOK_10_LAV=12,
CODE_BOOK_ESC_LAV=16,
CODE_BOOK_SCF_LAV=60,
CODE_BOOK_PNS_LAV=60
};
INT FDKaacEnc_bitCount(const SHORT *aQuantSpectrum,
const INT noOfSpecLines,
INT maxVal,
INT *bitCountLut);
INT FDKaacEnc_countValues(SHORT *values, INT width, INT codeBook);
INT FDKaacEnc_codeValues(SHORT *values, INT width, INT codeBook, HANDLE_FDK_BITSTREAM hBitstream);
INT FDKaacEnc_codeScalefactorDelta(INT scalefactor, HANDLE_FDK_BITSTREAM hBitstream);
inline INT FDKaacEnc_bitCountScalefactorDelta(const INT delta)
{
FDK_ASSERT( (0 <= (delta+CODE_BOOK_SCF_LAV)) && ((delta+CODE_BOOK_SCF_LAV)<(int)(sizeof(FDKaacEnc_huff_ltabscf)/sizeof((FDKaacEnc_huff_ltabscf[0])))) );
return((INT)FDKaacEnc_huff_ltabscf[delta+CODE_BOOK_SCF_LAV]);
}
#endif
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