/*
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* Copyright (C) 2003 - 2016 Sony Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _FIXP_LDAC_H
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#define _FIXP_LDAC_H
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/***************************************************************************************************
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Macro Definitions
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***************************************************************************************************/
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#define LDAC_MAX_32BIT ((INT32)0x7fffffffL)
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#define LDAC_MIN_32BIT ((INT32)0x80000000L)
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#define LDAC_C_BLKFLT 31
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#define LDAC_Q_SETPCM 15
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#define LDAC_Q_MDCT_WIN 30
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#define LDAC_Q_MDCT_COS 31
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#define LDAC_Q_MDCT_SIN 31
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#define LDAC_Q_NORM1 15
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#define LDAC_Q_NORM2 31
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#define LDAC_Q_QUANT1 47
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#define LDAC_Q_QUANT2 0
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#define LDAC_Q_QUANT3 15
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#define LDAC_Q_QUANT4 47
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#define LDAC_Q_DEQUANT1 0
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#define LDAC_Q_DEQUANT2 0
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#define LDAC_Q_DEQUANT3 31
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#define LDAC_Q_NORM (15+(LDAC_Q_NORM2-LDAC_Q_NORM1))
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/***************************************************************************************************
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Function Declarations
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***************************************************************************************************/
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/* func_fixp_ldac.c */
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DECLFUNC INT32 sftrnd_ldac(INT32, int);
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#define lsft_ldac(x, n) ((x) << (n))
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#define rsft_ldac(x, n) ((x) >> (n))
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#define rsft_ro_ldac(x, n) (((x) + (1 << (n-1))) >> (n))
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#define lsftrnd_ldac(x, n) (INT32)((INT64)(x) << (-(n)))
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#define rsftrnd_ldac(x, n) (INT32)(((INT64)(x) + ((INT64)1 << ((n)-1))) >> (n))
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#define mul_lsftrnd_ldac(x, y, n) (INT32)(((INT64)(x) * (INT64)(y)) << (-(n)))
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#define mul_rsftrnd_ldac(x, y, n) (INT32)((((INT64)(x) * (INT64)(y)) + ((INT64)1 << ((n)-1))) >> (n))
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DECLFUNC int get_bit_length_ldac(INT32);
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DECLFUNC INT32 get_absmax_ldac(INT32 *, int);
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#endif /* _FIXP_LDAC_H */
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