VIVOTEK
138 - User's Manual
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1/4
Enclose caption.
imprinttimestamp <boolean>
0
4/4
Overlay time stamp on video.
enablepreview
<boolean>
0
1/4
Usage for UI of image/sensor
settings. Preview settings of video
profile.
s0_codectype
mjpeg, h264
H264
1/4
Video codec type.
s1_codectype
mpeg4, mjpeg, h264 H264
1/4
Video codec type.
s<0~(m-1)>_res
olution
Reference
capability_videoin_r
esolution
1280x800
1/4
Video resolution in pixels.
s<0~(m-1)>_mp
eg4_intraperiod
250, 500, 1000,
2000, 3000, 4000
1000
4/4
Intra frame period in milliseconds.
s<0~(m-1)>_mp
eg4_ratecontrolm
ode
cbr, vbr
Vbr
4/4
cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mp
eg4_quant
1~5
99, 100
3
4/4
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.
s<0~(m-1)>_mp
eg4_qvalue
1~31
7
4/4
Manual video quality level input.
(s<0~(m-1)>_mpeg4_quant =
99)
s<0~(m-1)>_mp
eg4_qpercent
1~100
29
4/4
Manual video quality level input.
(s<0~(m-1)>_mpeg4_quant =
100)
s<0~(m-1)>_mp
eg4_bitrate
1000~16000000
4000000
4/4
Set bit rate in bps when choosing
cbr in “ratecontrolmode”.
s<0~(m-1)>_mp
eg4_maxframe
1~30
30
1/4
Set maximum frame rate in fps
(for MPEG-4).
s<0~(m-1)>_h2
64_intraperiod
250, 500, 1000,
2000, 3000, 4000
1000
4/4
Intra frame period in milliseconds.
s<0~(m-1)>_h2
64_ratecontrolmo
de
cbr, vbr
cbr
4/4
cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h2
64_quant
1~5
99, 100
3
4/4
Quality of video when choosing
vbr in “ratecontrolmode”.
99 is the customized manual input