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/* ------------------------------------------------------------------
* Copyright (C) 1998-2009 PacketVideo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
/*
------------------------------------------------------------------------------
PacketVideo Corp.
MP3 Decoder Library
Pathname: ./cpp/include/pv_mp3dec_fxd_op_msc_evc.h
Date: 08/20/2007
------------------------------------------------------------------------------
REVISION HISTORY
Description:
------------------------------------------------------------------------------
INCLUDE DESCRIPTION
This file select the associated fixed point functions with the OS/ARCH.
------------------------------------------------------------------------------
*/
#ifndef PV_MP3DEC_FXD_OP_MSC_EVC_H
#define PV_MP3DEC_FXD_OP_MSC_EVC_H
#ifdef __cplusplus
extern "C"
{
#endif
#include "pvmp3_audio_type_defs.h"
#if (defined(PV_ARM_MSC_EVC_V5)||defined(PV_ARM_MSC_EVC_V4))
#include "armintr.h"
#include "cmnintrin.h"
__inline int32 fxp_mul32_Q30(const int32 a, const int32 b)
{
return (int32)(((int64)(a) * b) >> 30);
}
__inline int32 fxp_mac32_Q30(const int32 a, const int32 b, int32 L_add)
{
return (L_add + (int32)(((int64)(a) * b) >> 30));
}
#define Qfmt_31(a) (int32)(a*0x7FFFFFFF + (a>=0?0.5F:-0.5F))
#define Qfmt15(x) (Int16)(x*((int32)1<<15) + (x>=0?0.5F:-0.5F))
#define fxp_mul32_Q32( a, b) _MulHigh( b, a)
__inline int32 fxp_mul32_Q28(const int32 a, const int32 b)
{
return (int32)(((int64)(a) * b) >> 28);
}
__inline int32 fxp_mul32_Q27(const int32 a, const int32 b)
{
return (int32)(((int64)(a) * b) >> 27);
}
__inline int32 fxp_mul32_Q26(const int32 a, const int32 b)
{
return (int32)(((int64)(a) * b) >> 26);
}
__inline int32 fxp_mac32_Q32(int32 L_add, const int32 a, const int32 b)
{
return (L_add + _MulHigh(b, a));
}
__inline int32 fxp_msb32_Q32(int32 L_sub, const int32 a, const int32 b)
{
return (L_sub - _MulHigh(b, a));
}
__inline int32 fxp_mul32_Q29(const int32 a, const int32 b)
{
return (int32)(((int64)(a) * b) >> 29);
}
__inline int32 pv_abs(int32 a)
{
int32 b = (a < 0) ? -a : a;
return b;
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* PV_MP3DEC_FXD_OP_MSC_EVC_H */
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