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Technical Manual
© 2006-2010 by HIKVISION. All rights reserved.
44
Parameter:
hChannel
channel handler
5.1.40.
int SetDisplayStandard (UINT nDisplayChannel,VideoStandard_t VideoStandard)
Parameter:
UINT
nDisplayChannel
the index for the display channel
VideoStandard_t VideoStandard
video standard
Explanation:
Set the video standard for the video out
5.1.41.
int SetDisplayRegion (UINT nDisplayChannel,UINT nRegionCount,
REGION_PARAM *pParam,UINT nReserved)
Parameter:
UINT
nDisplayChannel
the index for the display channel
UINT
nRegionCount
the count of the areas
REGION_PARAM *pParam
parameter of the areas
UINT
nReserved
reserved
typedef struct
{
UINT left;
the left of the area, align with 16
UINT top;
the top of the area, align with 8
UINT width;
the width of the area, align with 16
UINT height;
the height of the area, align with 8
UINT r;
the red weight of the background
UINT g
the green weight of the background
UINT b;
the blue weight of the background
UINT param;
expand parameter
}REGION_PARAM;
#define MAX_DISPLAY_REGION
16 //The max count of the area that could
display
Explanation:
There could partition the display to some area.
Return
:
ErrorCodeNotSupport
:
the resource of the DSP is limited. The dsp could not partition
more area. That must shrink the area. Every display channel could support one 4CIF
size area + 2 QCIF areas
ErrorCodeInvalidDevice
:
nDisplayChannel is overflow
ErrorCodeInvalidArgument
:
nRegionCount is overflow
,
or pParam is error or the area
overstep the limit.
5.1.42.
int ClearDisplayRegion (UINT nDisplayChannel,UINT nRegionFlag)
Parameter:
UINT
nDisplayChannel
the index for the display channel