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VIVOTEK
User's Manual - 145
(x,y) coordinate.
crop_size <window size>
(WxH)
2560x1920 1/4 Crop width and height.
(width must be 16x or 32x
and height must be 8x)
crop_preview < boolean > 0 1/4 Usage for UI of crop setting
s<0~(m-1)>_codectype mpeg4, mjpeg,
h264
<product
dependent>
H264 1/4 Video codec type.
s<0~(m-1)>_resolution Reference
capability_vide
oin_resolution
2560x1920 1/4 Video resolution in pixels.
s<0~(m-1)>_mpeg4_intrap
eriod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_mpeg4_rateco
ntrolmode
cbr, vbr cbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_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)>_mpeg4_qvalue 2~31 7 4/4 Manual video quality level
input.
(s<0~(m-1)>_mpeg4_qua
nt = 99)
s<0~(m-1)>_mpeg4_qperce
nt
1~100 29 4/4 Manual video quality level
input.
(s<0~(m-1)>_mpeg4_qua
nt = 100)
s<0~(m-1)>_mpeg4_bitrate 1000~260000
00
<product
6000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.