Video Core Feature Interface Reference Manual  jpl-r3.4.25
vftr_fld.h File Reference

Core feature-lib for fall detection (FLD) More...

#include "mpi_base_types.h"
#include "mpi_index.h"
#include "mpi_iva.h"

Data Structures

struct  VFTR_FLD_PARAM_S
 Structure for the parameters of FLD. More...
 
struct  VFTR_FLD_INSTANCE_STATUS_S
 Structure of FLD object status. More...
 
struct  VFTR_FLD_STATUS_S
 Struct for FLD status. More...
 
struct  VFTR_FLD_INSTANCE_S
 Struct for FLD instance status. More...
 

Macros

#define VFTR_FLD_FRACTION   8
 
#define VFTR_FLD_WEIGHT_MAX   (1 << (VFTR_FLD_FRACTION))
 

Enumerations

enum  VFTR_FLD_RESULT_E {
  VFTR_FLD_UNKNOWN = 0, VFTR_FLD_NORMAL = 1, VFTR_FLD_FALLING = 2, VFTR_FLD_DOWN = 3,
  VFTR_FLD_FALLEN = 4, VFTR_FLD_NUM = 5
}
 Enumeration of fall detection result. More...
 

Functions

VFTR_FLD_INSTANCE_SVFTR_FLD_newInstance ()
 Create FLD (fall detection) instance. More...
 
INT32 VFTR_FLD_deleteInstance (VFTR_FLD_INSTANCE_S **instance)
 Delete FLD instance. More...
 
INT32 VFTR_FLD_setParam (VFTR_FLD_INSTANCE_S *instance, const VFTR_FLD_PARAM_S *param)
 Set FLD (fall detection) parameters. More...
 
INT32 VFTR_FLD_checkParam (const VFTR_FLD_PARAM_S *param)
 Check FLD parameters. More...
 
INT32 VFTR_FLD_getParam (const VFTR_FLD_INSTANCE_S *instance, VFTR_FLD_PARAM_S *param)
 Get FLD parameters. More...
 
INT32 VFTR_FLD_detect (VFTR_FLD_INSTANCE_S *instance, const MPI_IVA_OBJ_LIST_S *obj_list, VFTR_FLD_STATUS_S *status)
 Detect FLD (fall detection) result. More...
 
INT32 VFTR_FLD_getStat (const VFTR_FLD_INSTANCE_S *instance, VFTR_FLD_STATUS_S *stat)
 Get FLD status. More...
 

Detailed Description

Core feature-lib for fall detection (FLD)

Macro Definition Documentation

#define VFTR_FLD_FRACTION   8

Fraction bit of FLD

#define VFTR_FLD_WEIGHT_MAX   (1 << (VFTR_FLD_FRACTION))

Maximum weight of FLD.

Enumeration Type Documentation

Enumeration of fall detection result.

Enumerator
VFTR_FLD_UNKNOWN 

Object init in the scence

VFTR_FLD_NORMAL 

Object normal in the scence

VFTR_FLD_FALLING 

Object falling in the scence

VFTR_FLD_DOWN 

Object down in the scence

VFTR_FLD_FALLEN 

Object fallen in the scence

VFTR_FLD_NUM 

Number of enum FLD_RESULT_E

Function Documentation

INT32 VFTR_FLD_checkParam ( const VFTR_FLD_PARAM_S inParam)

Check FLD parameters.

Parameters
[in]paramFLD parameters.
Returns
The execution result.
Return values
0success.
EFAULTinput pointer is NULL.
See also
VFTR_FLD_setParam()
VFTR_FLD_getParam()
INT32 VFTR_FLD_deleteInstance ( VFTR_FLD_INSTANCE_S **  instance)

Delete FLD instance.

Parameters
[in]instanceFLD instance status.
Returns
The execution result.
Return values
0success.
EFAULTinput pointer is NULL.
See also
VFTR_DK_newInstance()
INT32 VFTR_FLD_detect ( VFTR_FLD_INSTANCE_S instance,
const MPI_IVA_OBJ_LIST_S obj_list,
VFTR_FLD_STATUS_S status 
)

Detect FLD (fall detection) result.

Parameters
[in]instanceFLD instance.
[in]obj_listOD object list.
[out]statusFLD detected result.
Returns
The execution result.
Return values
0success.
EFAULTinput pointer is NULL.
See also
VFTR_FLD_getStat()
INT32 VFTR_FLD_getParam ( const VFTR_FLD_INSTANCE_S instance,
VFTR_FLD_PARAM_S param 
)

Get FLD parameters.

Parameters
[in]instanceFLD instance.
[out]paramFLD parameters.
Returns
The execution result.
Return values
0success.
EFAULTinput pointer is NULL.
See also
VFTR_FLD_setParam()
VFTR_FLD_checkParam()
INT32 VFTR_FLD_getStat ( const VFTR_FLD_INSTANCE_S instance,
VFTR_FLD_STATUS_S status 
)

Get FLD status.

Parameters
[in]instanceFLD instance.
[out]statusFLD detected result.
Returns
The execution result.
Return values
0success.
EFAULTinput pointer is NULL.
See also
VFTR_FLD_detect()
VFTR_FLD_INSTANCE_S* VFTR_FLD_newInstance ( )

Create FLD (fall detection) instance.

Returns
The pointer to FLD instance.
Return values
Not NULLsuccess to create instance
NULLfail to create instance
See also
VFTR_FLD_deleteInstance()
INT32 VFTR_FLD_setParam ( VFTR_FLD_INSTANCE_S instance,
const VFTR_FLD_PARAM_S param 
)

Set FLD (fall detection) parameters.

Parameters
[in]instanceFLD instance.
[in]paramFLD parameters.
Returns
The execution result.
Return values
0success.
EFAULTinput pointer is NULL.
See also
VFTR_FLD_checkParam()
VFTR_FLD_getParam()