#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#include?“stdio.h“
#include?“rectangle.h“
#include?“NewStruct.h“

//////////////////////////////////////////////////跟蹤參數(shù)//////////////////////////////////////
#define?winwidth?40//窗口寬度
#define?winheight?40//窗口高度
#define?epsiternum?50//迭代次數(shù)
#define?epsdist?10//步長(zhǎng)閾值
///////////////////////////////////////////////////////////////////////////////////////////////////

extern?int?EXTERNALHEAP;


dsp_point?dpoint（short?x?short?y）
{
??dsp_point?temp;
??temp.x?=?x;
??temp.y?=?y;
??return?temp;
}

VPORT_PortParams?EVMDM642_vDisParamsPort?
??=?EVMDM642_DIS_PARAMS_PORT_DEFAULT;


static?VPORTDIS_Params?EVMDM642_vDisParamsChan?
??							=?EVMDM642_DIS_PARAMS_CHAN_BT656_DEFAULT（PAL）;

static?SAA7105_ConfParams?EVMDM642_vDisParamsSAA7105?
??							=?EVMDM642_DIS_PARAMS_SAA7105_SDTV_DEFAULT（PAL720?SVIDEO）;

static?VPORTCAP_Params?EVMDM642_vCapParamsChan?
??			=?EVMDM642_CAP_PARAMS_CHAN_embedDED_DEFAULT（PAL720）;

FVID_Handle??disChan;

void?VideoLoopbackInit（）
{
????Int?status;
????EVMDM642_vDisParamsChan.segId?=?EXTERNALHEAP;
????EVMDM642_vDisParamsSAA7105.hI2C?=?DM642_I2C_hI2C;
????/******************************************************/
????/*?initialization?of?display?driver???????????????????*/
????/******************************************************/
????disChan?=?FVID_create（“/VP1DISPLAY“?IOM_OUTPUT
????????&status?（Ptr）&EVMDM642_vDisParamsChan?NULL）;

????FVID_control（disChan?VPORT_CMD_EDC_base?+?EDC_CONFIG?
????????（Ptr）&EVMDM642_vDisParamsSAA7105）;
????????
}

void?VideoLoopbackStart（）
{
????FVID_control（disChan?VPORT_CMD_START?NULL）;??	
}

void?tskVideoLoopback（）
{
????
????Int?i;
	SCOM_Handle?fromInput1toDISfromDIStoInput1;
////////////////////////////////////函數(shù)聲明&變量定義////////////////////////////////////////
	Int?newobjectmode;//新目標(biāo)標(biāo)志位
	Int?initrackmode;//初始跟蹤標(biāo)志位
	Int?iternum;//迭代次數(shù)
	Int?trackmode;//跟蹤標(biāo)志
	dsp_point?firstpoint;//目標(biāo)中心點(diǎn)
	dsp_point?nextpoint;//跟蹤下一點(diǎn)
	dsp_point?calcpoint;//計(jì)算目標(biāo)中心點(diǎn)
	double?objecthist[256];//目標(biāo)區(qū)域權(quán)重直方圖
	double?nexthist[256];//候選目標(biāo)區(qū)域權(quán)重直方圖

	void?drawRect（Uint8*?Imageshort?image_width?short?image_height?dsp_point?point?short?objectW?short?objectH）;//畫(huà)矩形框
	void?calc_colorhist（Uint8*?imageYdsp_point?ppointdouble*?qu）;//計(jì)算權(quán)重直方圖
	dsp_point?calc_location（Uint8*?imageYdsp_point?spointdouble*?qdouble*?p）;//定位計(jì)算

/////////////////////////////////////////////////////////////////////////////////////////////////
????FVID_frame?*disframeBuf;
????FVID_frame?*capframeBuf;??
????Int?numLinesDis?=?EVMDM642_vDisParamsChan.imgVSizeFld1;
????
????Int?numLinesCap?=?EVMDM642_vCapParamsChan.fldYStop1?-
??????????????????????EVMDM642_vCapParamsChan.fldYStrt1+1;


????Int?numLines?=?（numLinesDis?>?numLinesCap）???numLi