VIVOTEK
User's Manual - 169
* We support this parameter when the
version number (httpversion) is equal
or greater than 0302a.
enablepreview
<boolean>
1/4
Usage for UI of exposure settings.
Preview settings of video profile.
crop_position <coordinate>
(x,y)
1/7
Crop left-top corner coordinate.
crop_size
<window size>
(WxH)
1/7
Crop width and height.
(width must be 16x or 32x and height
must be 8x)
zoomratiodispla
y
<boolean>
1/4
Indicates multiple of zoom in is
“on-screen display” or not.
* We support this parameter when the
version number (httpversion) is equal
or greater than 0302a.
s<0~(m-1)>_e
nableeptz
<boolean>
4/4
Indicate whether stream supprts eptz
or not
s<0~(m-1)>_c
odectype
Listed at "capability_videoin_codec"
Possible values are: mjpeg, h264,h265
<product dependent>
1/4
Codec type for this stream
s<0~(m-1)>_re
solution
Available options are list in
"capability_videoin_c0_resolution".
1/4
Video resolution in pixels.
s<0~(m-1)>_h
264_dintraperio
d_enable
<boolean>
4/4
Enable "Dynamic intra frame period".
* Only available when
"capability_videoin_c<0~(n-1)>_dint
raperiod_support" is 1.
* We support this parameter when the
version number (httpversion) is equal
or greater than 0301c.
s<0~(m-1)>_h
264_intraperiod
250, 500, 1000, 2000, 3000, 4000
4/4
The time interval between two
I-frames (Intra coded picture).
The unit is millisecond (ms).
s<0~(m-1)>_h
264_ratecontrol
mode
cbr, vbr, smart
4/4
cbr
: Constant bit rate mode.
vbr
: Fixed quality mode, all frames are
encoded in the same quality.
smart
: Smart stream mode. (Only
