269 lines
7.5 KiB
C
269 lines
7.5 KiB
C
/*!
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* \copy
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* Copyright (c) 2009-2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* \file macros.h
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*
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* \brief MACRO based tool utilization
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*
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* \date 3/13/2009 Created
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*
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*************************************************************************************
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*/
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#ifndef WELS_MACRO_UTILIZATIONS_H__
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#define WELS_MACRO_UTILIZATIONS_H__
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#include <math.h>
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#include <assert.h>
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#include "typedefs.h"
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/*
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* ENFORCE_STACK_ALIGN_1D: force 1 dimension local data aligned in stack
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* _tp: type
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* _nm: var name
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* _sz: size
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* _al: align bytes
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* auxiliary var: _nm ## _tEmP
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*/
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#define ENFORCE_STACK_ALIGN_1D(_tp, _nm, _sz, _al) \
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_tp _nm ## _tEmP[(_sz)+(_al)-1]; \
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_tp *_nm = _nm ## _tEmP + ((_al)-1) - (((uintptr_t)(_nm ## _tEmP + ((_al)-1)) & ((_al)-1))/sizeof(_tp));
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#define ENFORCE_STACK_ALIGN_2D(_tp, _nm, _cx, _cy, _al) \
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assert( ((_al) && !((_al) & ((_al) - 1))) && ((_al) >= sizeof(_tp)) ); /*_al should be power-of-2 and >= sizeof(_tp)*/\
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_tp _nm ## _tEmP[(_cx)*(_cy)+(_al)/sizeof(_tp)-1]; \
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_tp *_nm ## _tEmP_al = _nm ## _tEmP + ((_al)/sizeof(_tp)-1); \
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_nm ## _tEmP_al -= (((uintptr_t)_nm ## _tEmP_al & ((_al)-1))/sizeof(_tp)); \
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_tp (*_nm)[(_cy)] = (_tp (*)[(_cy)])_nm ## _tEmP_al;
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#if defined(_MSC_VER)
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#if(_MSC_VER < 1700)
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#define inline __inline
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#endif
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#define ALIGNED_DECLARE( type, var, n ) __declspec(align(n)) type var
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#define __align16(t,v) __declspec(align(16)) t v
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#define ALIGNED_DECLARE_MATRIX_1D(name,size,type,alignment) \
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__declspec(align(alignment)) type name[(size)]
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#define ALIGNED_DECLARE_MATRIX_2D(name,sizex,sizey,type,alignment) \
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__declspec(align(alignment)) type name[(sizex)*(sizey)]
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#elif defined(__GNUC__)
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#define ALIGNED_DECLARE( type, var, n ) type var __attribute__((aligned(n)))
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#define __align16(t,v) t v __attribute__ ((aligned (16)))
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#define ALIGNED_DECLARE_MATRIX_1D(name,size,type,alignment) \
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type name[size] __attribute__((aligned(alignment)))
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#define ALIGNED_DECLARE_MATRIX_2D(name,sizex,sizey,type,alignment) \
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type name[(sizex)*(sizey)] __attribute__((aligned(alignment)))
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#endif//_MSC_VER
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#ifndef WELS_ALIGN
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#define WELS_ALIGN(x, n) (((x)+(n)-1)&~((n)-1))
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#endif//WELS_ALIGN
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#if 1 // Alternative implementation of WELS_MAX and WELS_MIN
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#ifndef WELS_MAX
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#define WELS_MAX(x, y) ((x) > (y) ? (x) : (y))
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#endif//WELS_MAX
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#ifndef WELS_MIN
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#define WELS_MIN(x, y) ((x) < (y) ? (x) : (y))
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#endif//WELS_MIN
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#else // Alternative implementation of WELS_MAX and WELS_MIN
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#ifndef WELS_MAX
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#define WELS_MAX(x, y) ((x) - (((x)-(y))&(((x)-(y))>>31)))
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#endif//WELS_MAX
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#ifndef WELS_MIN
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#define WELS_MIN(x, y) ((y) + (((x)-(y))&(((x)-(y))>>31)))
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#endif//WELS_MIN
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#endif // Alternative implementation of WELS_MAX and WELS_MIN
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#ifndef WELS_CEIL
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#define WELS_CEIL(x) ceil(x) // FIXME: low complexity instead of math library used
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#endif//WELS_CEIL
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#ifndef WELS_FLOOR
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#define WELS_FLOOR(x) floor(x) // FIXME: low complexity instead of math library used
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#endif//WELS_FLOOR
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#ifndef WELS_ROUND
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#define WELS_ROUND(x) ((int32_t)(0.5f+(x)))
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#endif//WELS_ROUND
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#define WELS_NON_ZERO_COUNT_AVERAGE(nC,nA,nB) { \
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nC = nA + nB + 1; \
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nC >>= (uint8_t)( nA != -1 && nB != -1); \
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nC += (uint8_t)(nA == -1 && nB == -1); \
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}
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static inline int32_t CeilLog2 (int32_t i) {
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int32_t s = 0;
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i--;
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while (i > 0) {
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s++;
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i >>= 1;
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}
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return s;
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}
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/*
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the second path will degrades the performance
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*/
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#if 1
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static inline int32_t WelsMedian (int32_t iX, int32_t iY, int32_t iZ) {
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int32_t iMin = iX, iMax = iX;
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if (iY < iMin)
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iMin = iY;
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else
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iMax = iY;
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if (iZ < iMin)
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iMin = iZ;
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else if (iZ > iMax)
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iMax = iZ;
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return (iX + iY + iZ) - (iMin + iMax);
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}
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#else
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static inline int32_t WelsMedian (int32_t iX, int32_t iY, int32_t iZ) {
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int32_t iTmp = (iX - iY) & ((iX - iY) >> 31);
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iX -= iTmp;
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iY += iTmp;
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iY -= (iY - iZ) & ((iY - iZ) >> 31);
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iY += (iX - iY) & ((iX - iY) >> 31);
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return iY;
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}
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#endif
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#ifndef NEG_NUM
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//#define NEG_NUM( num ) (-num)
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#define NEG_NUM(iX) (1+(~(iX)))
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#endif// NEG_NUM
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#ifndef WELS_CLIP1
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//#define WELS_CLIP1(x) (x & ~255) ? (-x >> 31) : x
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#define WELS_CLIP1(iX) (((iX) & ~255) ? (-(iX) >> 31) : (iX)) //iX not only a value but also can be an expression
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#endif//WELS_CLIP1
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#ifndef WELS_SIGN
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#define WELS_SIGN(iX) ((int32_t)(iX) >> 31)
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#endif //WELS_SIGN
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#ifndef WELS_ABS
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#define WELS_ABS(iX) ((WELS_SIGN(iX) ^ (int32_t)(iX)) - WELS_SIGN(iX))
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#endif //WELS_ABS
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// WELS_CLIP3
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#ifndef WELS_CLIP3
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#define WELS_CLIP3(iX, iY, iZ) ((iX) < (iY) ? (iY) : ((iX) > (iZ) ? (iZ) : (iX)))
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#endif //WELS_CLIP3
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/*
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* Description: to check variable validation and return the specified result
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* iResult: value to be checked
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* iExpected: the expected value
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*/
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#ifndef WELS_VERIFY_RETURN_IFNEQ
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#define WELS_VERIFY_RETURN_IFNEQ(iResult, iExpected) \
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if ( iResult != iExpected ){ \
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return iResult; \
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}
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#endif//#if WELS_VERIFY_RETURN_IF
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/*
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* Description: to check variable validation and return the specified result
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* iResult: value to be return
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* bCaseIf: negative condition to be verified
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*/
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#ifndef WELS_VERIFY_RETURN_IF
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#define WELS_VERIFY_RETURN_IF(iResult, bCaseIf) \
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if ( bCaseIf ){ \
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return iResult; \
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}
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#endif//#if WELS_VERIFY_RETURN_IF
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/*
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* Description: to check variable validation and return the specified result
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* with correspoinding process advance.
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* result: value to be return
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* case_if: negative condition to be verified
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* proc: process need perform
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*/
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#ifndef WELS_VERIFY_RETURN_PROC_IF
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#define WELS_VERIFY_RETURN_PROC_IF(iResult, bCaseIf, fProc) \
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if ( bCaseIf ){ \
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fProc; \
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return iResult; \
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}
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#endif//#if WELS_VERIFY_RETURN_PROC_IF
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static inline int32_t WELS_LOG2 (uint32_t v) {
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int32_t r = 0;
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while (v >>= 1) {
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++r;
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}
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return r;
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}
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#define CLIP3_QP_0_51(q) WELS_CLIP3(q, 0, 51) // ((q) < (0) ? (0) : ((q) > (51) ? (51) : (q)))
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#define CALC_BI_STRIDE(width,bitcount) ((((width * bitcount) + 31) & ~31) >> 3)
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#ifndef BUTTERFLY1x2
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#define BUTTERFLY1x2(b) (((b)<<8) | (b))
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#endif//BUTTERFLY1x2
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#ifndef BUTTERFLY2x4
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#define BUTTERFLY2x4(wd) (((uint32_t)(wd)<<16) |(wd))
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#endif//BUTTERFLY2x4
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#ifndef BUTTERFLY4x8
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#define BUTTERFLY4x8(dw) (((uint64_t)(dw)<<32) | (dw))
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#endif//BUTTERFLY4x8
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static inline bool WELS_POWER2_IF (uint32_t v) {
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return (v && ! (v & (v - 1)));
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}
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#endif//WELS_MACRO_UTILIZATIONS_H__
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