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VIVOTEK
User's Manual - 163
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)>_di
ntraperiod_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 4/4 cbr: Constant bit rate mode.
vbr: Fixed quality mode, all frames
are encoded in the same quality.
s<0~(m-1)>_h
264_quant
1~5,
99, 100
4/4 Set the pre-defined quality level:
1: Medium
2: Standard
3: Good
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