You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
293 lines
9.8 KiB
293 lines
9.8 KiB
/******************************************************************************
|
|
|
|
Copyright (C), 2009-2019, Huawei Tech. Co., Ltd.
|
|
|
|
******************************************************************************
|
|
File Name : hi_math.h
|
|
Version : Initial Draft
|
|
Author : c55300
|
|
Created : 2009/04/09
|
|
Last Modified :
|
|
Description : mathematical functions.
|
|
Function List :
|
|
History :
|
|
1.Date : 2009/04/09
|
|
Author : c55300
|
|
Modification: Created file
|
|
|
|
2.Date : 2009/05/04
|
|
Author : c55300
|
|
Modification: Add ENDIAN and VALUE_BETWEEN.
|
|
|
|
3.Date : 2009/05/21
|
|
Author : c55300
|
|
Modification: Add macro of FRACTION operation and CMP.
|
|
|
|
******************************************************************************/
|
|
#ifndef __HI_MATH_H__
|
|
#define __HI_MATH_H__
|
|
|
|
#include "hi_type.h"
|
|
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
extern "C"{
|
|
#endif
|
|
#endif /* __cplusplus */
|
|
|
|
/******************************************************************************
|
|
** ABS(x) absolute value of x
|
|
** SIGN(x) sign of x
|
|
** CMP(x,y) 0 if x==y; 1 if x>y; -1 if x<y
|
|
******************************************************************************/
|
|
#define ABS(x) ( (x) >= 0 ? (x) : (-(x)) )
|
|
#define SIGN(x) ( (x) >= 0 ? 1 : -1 )
|
|
#define CMP(x,y) (((x) == (y)) ? 0 : (((x) > (y)) ? 1 : -1))
|
|
|
|
/******************************************************************************
|
|
** MAX2(x,y) maximum of x and y
|
|
** MIN2(x,y) minimum of x and y
|
|
** MAX3(x,y,z) maximum of x, y and z
|
|
** MIN3(x,y,z) minimun of x, y and z
|
|
** MEDIAN(x,y,z) median of x,y,z
|
|
** MEAN2(x,y) mean of x,y
|
|
******************************************************************************/
|
|
#define MAX2(x,y) ( (x)>(y) ? (x):(y) )
|
|
#define MIN2(x,y) ( (x)<(y) ? (x):(y) )
|
|
#define MAX3(x,y,z) ( (x)>(y) ? MAX2(x,z) : MAX2(y,z) )
|
|
#define MIN3(x,y,z) ( (x)<(y) ? MIN2(x,z) : MIN2(y,z) )
|
|
#define MEDIAN(x,y,z) (((x)+(y)+(z) - MAX3(x,y,z)) - MIN3(x,y,z) )
|
|
#define MEAN2(x,y) (((x)+(y)) >> 1 )
|
|
|
|
/******************************************************************************
|
|
** CLIP3(x,min,max) clip x within [min,max]
|
|
** WRAP_MAX(x,max,min) wrap to min if x equal max
|
|
** WRAP_MIN(x,min,max) wrap to max if x equal min
|
|
** VALUE_BETWEEN(x,min.max) True if x is between [min,max] inclusively.
|
|
******************************************************************************/
|
|
#define CLIP3(x,min,max) ( (x)< (min) ? (min) : ((x)>(max)?(max):(x)) )
|
|
#define WRAP_MAX(x,max,min) ( (x)>=(max) ? (min) : (x) )
|
|
#define WRAP_MIN(x,min,max) ( (x)<=(min) ? (max) : (x) )
|
|
#define VALUE_BETWEEN(x,min,max) (((x)>=(min)) && ((x) <= (max)))
|
|
|
|
/******************************************************************************
|
|
** MULTI_OF_2_POWER(x,a) whether x is multiple of a(a must be power of 2)
|
|
** CEILING_2_POWER(x,a) ceiling x to multiple of a(a must be power of 2)
|
|
** FLOOR_2_POWER(x,a) floor x to multiple of a(a must be power of 2)
|
|
** HIALIGN(x, a) align x to multiple of a
|
|
**
|
|
** Example:
|
|
** CEILING_2_POWER(5,4) = 8
|
|
** FLOOR_2_POWER(5,4) = 4
|
|
******************************************************************************/
|
|
#define MULTI_OF_2_POWER(x,a) (!((x) & ((a) - 1) ) )
|
|
#define CEILING_2_POWER(x,a) ( ((x) + ((a) - 1) ) & ( ~((a) - 1) ) )
|
|
#define FLOOR_2_POWER(x,a) ( (x) & (~((a) - 1) ) )
|
|
#define HIALIGN(x, a) ((a) * (((x) + (a) - 1) / (a)))
|
|
#define HICEILING(x, a) (((x)+(a)-1)/(a))
|
|
|
|
/******************************************************************************
|
|
** Get the span between two unsinged number, such as
|
|
** SPAN(HI_U32, 100, 200) is 200 - 100 = 100
|
|
** SPAN(HI_U32, 200, 100) is 0xFFFFFFFF - 200 + 100
|
|
** SPAN(HI_U64, 200, 100) is 0xFFFFFFFFFFFFFFFF - 200 + 100
|
|
******************************************************************************/
|
|
#define SPAN(type, begin, end)\
|
|
({ \
|
|
type b = (begin); \
|
|
type e = (end); \
|
|
(type)((b >= e) ? (b - e) : (b + ((~((type)0))-e))); \
|
|
})
|
|
|
|
/******************************************************************************
|
|
** ENDIAN32(x,y) little endian <---> big endian
|
|
** IS_LITTLE_END() whether the system is little end mode
|
|
******************************************************************************/
|
|
#define ENDIAN32( x ) \
|
|
( ( (x) << 24 ) | \
|
|
( ( (x) & 0x0000ff00 ) << 8 ) | \
|
|
( ( (x) & 0x00ff0000 ) >> 8 ) | \
|
|
( ( (x) >> 24 ) & 0x000000ff ) )
|
|
|
|
__inline static HI_BOOL IS_LITTLE_END(void)
|
|
{
|
|
union unEND_TEST_U
|
|
{
|
|
HI_CHAR cTest[4];
|
|
HI_U32 u32Test;
|
|
} unEndTest;
|
|
|
|
unEndTest.cTest[0] = 0x01;
|
|
unEndTest.cTest[1] = 0x02;
|
|
unEndTest.cTest[2] = 0x03;
|
|
unEndTest.cTest[3] = 0x04;
|
|
|
|
return (unEndTest.u32Test > 0x01020304) ? (HI_TRUE) : (HI_FALSE);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
** FRACTION32(de,nu) fraction: nu(minator) / de(nominator).
|
|
** NUMERATOR32(x) of x(x is fraction)
|
|
** DENOMINATOR32(x) Denominator of x(x is fraction)
|
|
|
|
** represent fraction in 32 bit. LSB 16 is numerator, MSB 16 is denominator
|
|
** It is integer if denominator is 0.
|
|
******************************************************************************/
|
|
#define FRACTION32(de,nu) ( ((de) << 16) | (nu) )
|
|
#define NUMERATOR32(x) ( (x) & 0xffff)
|
|
#define DENOMINATOR32(x) ( (x) >> 16 )
|
|
|
|
/******************************************************************************
|
|
** RGB(r,g,b) assemble the r,g,b to 24bit color
|
|
** RGB_R(c) get RED from 24bit color
|
|
** RGB_G(c) get GREEN from 24bit color
|
|
** RGB_B(c) get BLUE from 24bit color
|
|
******************************************************************************/
|
|
#define RGB(r,g,b) ((((r) & 0xff) << 16) | (((g) & 0xff) << 8) | ((b) & 0xff))
|
|
#define RGB_R(c) ( ((c) & 0xff0000) >> 16)
|
|
#define RGB_G(c) ( ((c) & 0xff00) >> 8)
|
|
#define RGB_B(c) ( (c) & 0xff)
|
|
|
|
/******************************************************************************
|
|
** YUV(y,u,v) assemble the y,u,v to 24bit color
|
|
** YUV_Y(c) get Y from 24bit color
|
|
** YUV_U(c) get U from 24bit color
|
|
** YUV_V(c) get V from 24bit color
|
|
******************************************************************************/
|
|
#define YUV(y,u,v) ((((y) & 0xff) << 16) | (((u) & 0xff) << 8) | ((v) & 0xff))
|
|
#define YUV_Y(c) ( ((c) & 0xff0000) >> 16)
|
|
#define YUV_U(c) ( ((c) & 0xff00) >> 8)
|
|
#define YUV_V(c) ( (c) & 0xff)
|
|
|
|
/******************************************************************************
|
|
** Rgb2Yc(r, g, b, *y, *u, *u) convert r,g,b to y,u,v
|
|
** Rgb2Yuv(rgb, *yuv) convert rgb to yuv
|
|
******************************************************************************/
|
|
__inline static HI_VOID Rgb2Yc(HI_U8 r, HI_U8 g, HI_U8 b, HI_U8 * py, HI_U8 * pcb, HI_U8 * pcr)
|
|
{
|
|
/* Y */
|
|
*py = (HI_U8)(((r*66+g*129+b*25) >> 8) + 16);
|
|
|
|
/* Cb */
|
|
*pcb = (HI_U8)((((b*112-r*38)-g*74) >> 8) + 128);
|
|
|
|
/* Cr */
|
|
*pcr = (HI_U8)((((r*112-g*94)-b*18) >> 8) + 128);
|
|
}
|
|
|
|
__inline static HI_U32 Rgb2Yuv(HI_U32 u32Rgb)
|
|
{
|
|
HI_U8 y,u,v;
|
|
|
|
Rgb2Yc(RGB_R(u32Rgb), RGB_G(u32Rgb), RGB_B(u32Rgb), &y, &u, &v);
|
|
|
|
return YUV(y,u,v);
|
|
}
|
|
|
|
/******************************************************************************
|
|
** GetYCFromRGB(rgb, *y, *cbcr) convert rgb to yyyy, uvuv,
|
|
******************************************************************************/
|
|
__inline static HI_VOID GetYCFromRGB(HI_U32 rgb, HI_U32 * pY, HI_U32 * pC)
|
|
{
|
|
HI_U8 y, cb, cr;
|
|
HI_U32 color_y, color_c, tmp;
|
|
|
|
Rgb2Yc(RGB_R(rgb), RGB_G(rgb), RGB_B(rgb), &y, &cb, &cr);
|
|
|
|
tmp = y & 0xFF;
|
|
color_y = (tmp<<24) + (tmp<<16) + (tmp<<8) + tmp;
|
|
|
|
tmp = cb & 0xFF;
|
|
color_c = (tmp<<24) + (tmp<<8);
|
|
|
|
tmp = cr & 0xFF;
|
|
color_c = color_c + (tmp<<16) + tmp;
|
|
|
|
*pY = color_y;
|
|
*pC = color_c;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** FpsControl Useing Sample:
|
|
** FPS_CTRL_S g_stFpsCtrl;
|
|
**
|
|
** Take 12 frame uniform in 25.
|
|
** InitFps(&g_stFpsCtrl, 25, 12);
|
|
**
|
|
** {
|
|
** if(FpsControl(&g_stFpsCtrl)) printf("Yes, this frmae should be token");
|
|
** }
|
|
**
|
|
*******************************************************************************/
|
|
typedef struct hiFPS_CTRL_S
|
|
{
|
|
HI_U32 u32Ffps; /* Full frame rate */
|
|
HI_U32 u32Tfps; /* Target frame rate */
|
|
HI_U32 u32FrmKey; /* update key frame */
|
|
} FPS_CTRL_S;
|
|
|
|
__inline static HI_VOID InitFps(FPS_CTRL_S *pFrmCtrl, HI_U32 u32FullFps,
|
|
HI_U32 u32TagFps)
|
|
{
|
|
pFrmCtrl->u32Ffps = u32FullFps;
|
|
pFrmCtrl->u32Tfps = u32TagFps;
|
|
pFrmCtrl->u32FrmKey = 0;
|
|
}
|
|
|
|
__inline static HI_BOOL FpsControl(FPS_CTRL_S *pFrmCtrl)
|
|
{
|
|
HI_BOOL bReturn = HI_FALSE;
|
|
|
|
pFrmCtrl->u32FrmKey += pFrmCtrl->u32Tfps;
|
|
if (pFrmCtrl->u32FrmKey >= pFrmCtrl->u32Ffps)
|
|
{
|
|
pFrmCtrl->u32FrmKey -= pFrmCtrl->u32Ffps;
|
|
bReturn = HI_TRUE;
|
|
}
|
|
|
|
return bReturn;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** GetSysTimeBySec
|
|
** GetSysTimeByUsec
|
|
*******************************************************************************/
|
|
#ifdef __KERNEL__
|
|
#include <linux/time.h>
|
|
#else
|
|
#include <sys/time.h>
|
|
#endif
|
|
__inline static HI_U32 GetSysTimeBySec(void)
|
|
{
|
|
struct timeval stTime;
|
|
#ifdef __KERNEL__
|
|
do_gettimeofday(&stTime);
|
|
#else
|
|
gettimeofday(&stTime, NULL);
|
|
#endif
|
|
return stTime.tv_sec;
|
|
}
|
|
|
|
__inline static HI_U64 GetSysTimeByUsec(void)
|
|
{
|
|
struct timeval stTime;
|
|
#ifdef __KERNEL__
|
|
do_gettimeofday(&stTime);
|
|
#else
|
|
gettimeofday(&stTime, NULL);
|
|
#endif
|
|
return (stTime.tv_sec * 1000000LLU) + stTime.tv_usec;
|
|
}
|
|
|
|
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __HI_MATH_H__ */
|
|
|