VIVOTEK
User's Manual - 157
imprinttimestamp
<boolean>
0
1/4
Overlay time stamp on video.
exposuremode
auto,fixed
auto
1/4
Exposure mode
minexposure
1~32000
32000
1/4
Minimum exposure time.
maxexposure
1~32000
30
1/4
Maximum exposure time.
enablepreview
<boolean>
0
1/4
Usage for UI of exposure
settings. Preview settings of
video profile.
crop_position <coordinate>
(x,y)
0,0
1/99
Crop left-top corner coordinate.
crop_size
<window size>
(WxH)
2048x1536 1/99
Crop width and height.
(width must be 16x or 32x and
height must be 8x)
crop_preview
< boolean >
0
1/99
Usage for UI of crop setting
s<0~(m-1)>_codectype
mjpeg, h264
h264
1/4
Video codec type.
s<0~(m-1)>_resolution
Reference
capability_vide
oin_resolution
2048x1536 1/4
Video resolution in pixels.
s<0~(m-1)>_h264_intraperi
od
250, 500,
1000, 2000,
3000, 4000
1000
1/4
Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecont
rolmode
cbr, vbr, smart
cbr
1/4
cbr, constant bitrate
vbr, fix quality
smart, smart stream
s<0~(m-1)>_h264_priorityp
olicy
framerate,
imagequality
framerate
1/4
The policy to apply when the
target bit rate is not sufficient to
satisfy current encoded
conditions.
“framerate” indicates frame rate
first.
“imagequality” indicates image
quality first.
s<0~(m-1)>_h264_quant 1~5,
99, 100
3
1/4
Quality of video when choosing
vbr in “ratecontrolmode”.
99 is the customized manual
input setting.
1 = worst quality, 5 = best
quality.
100 is percentage mode.