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VIVOTEK
User's Manual - 215
© 2020 VIVOTEK INC. All Right Reserved
67
NAME VALUE SECURITY(
get/set)
DESCRIPTION
The unit is millisecond (ms).
s<0~(m-1)>_h2
64_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)>_h2
64_quant
1~5,
99, 100
4/4
Set the pre-defined quality level:
1: Medium
2: Standard
3: Good
4: Detailed
5: Excellent
100: Use the quality level in
"qpercent"
99: Use the quality level in "qvalue"
* Only valid when
"h264_ratecontrolmode"= vbr.
s<0~(m-1)>_h2
64_qvalue
0~51 4/4 Manual video quality level input. The
Q value which is used by encoded
library directly.
* Only valid when
"h264_ratecontrolmode"= vbr and
s<0~(m-1)>_h264_quant = 99.
s<0~(m-1)>_h2
64_qpercent
1~100
4/4
Select customized quality in a
normalized full range.
1: Worst quality
100: Best quality
* Only valid when
"h264_ratecontrolmode"= vbr and
"quant"= 100.
s<0~(m-1)>_h2
64_maxvbrbitr
ate
20000~"capability_videoin
_c<0~(n-1)>_h264_maxbit
rate"
4/4 The maximum allowed bit rate in fixed
quality mode.
When the bit rate exceeds this value,
frames will be dropped to restrict the
bit rate.
* Only valid when
"h264_ratecontrolmode"= vbr
s<0~(m-1)>_h2
1~5, 100
4/4
Set the pre-defined quality level:
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