User Manual

VIVOTEK
User's Manual - 201
© 2020 VIVOTEK INC. All Right Reserved
70
NAME VALUE SECURITY(
get/set)
DESCRIPTION
64_qpercent 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
64_cbr_quant
1~5, 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
"cbr_qpercent"
* Only available when
"h264_ratecontrolmode"= cbr.
s<0~(m-1)>_h2
64_cbr_qperce
nt
1~100 4/4 Select customized quality in a
normalized full range.
1: Worst quality
100: Best quality
* Only valid when
"h264_ratecontrolmode"= cbr and
"quant"= 100.
s<0~(m-1)>_h2
64_bitrate
20000~"capability_videoin
_c<0~(n-1)>_h264_maxbit
rate"
4/4 The target bit rate in constant bit rate
mode.
* Only valid when
"h264_ratecontrolmode"= cbr
s<0~(m-1)>_h2
64_prioritypoli
framerate,imagequality 4/4 Set prioritypolicy
* Only valid when
© 2020 VIVOTEK INC. All Right Reserved
71
NAME VALUE SECURITY(
get/set)
DESCRIPTION
cy "h264_ratecontrolmode"= cbr
s<0~(m-1)>_h2
64_maxframe
1~"capability_videoin_c<0
~(n-1)>_h264_maxframera
te"
1/4 The maximum frame rates of a H264
stream at different
resolutions("capability_videoin_c<0~(
n-1)>_resolution") are recorded in
"capability_videoin_c<0~(n-1)>_h264
_maxframerate"
s<0~(m-1)>_h2
64_profile
0~2
* Available values can also
be <string> listed in
"capability_videoin_c<n>_
h264_profile"
1/4 Indicate H264 profiles
0: baseline
1: main
2: high
* It’s recommended to use available
values from
"capability_videoin_c<n>_h264_profil
e".
s<0~(m-1)>_h2
64_smartq_en
able
<boolean> 4/4 Enable "Smart Q" function.
* Only available when
"capability_videoin_c<0~(n-1)>_smart
q_support" is 1.
* We support this parameter when
the version number (httpversion) is
equal or greater than 0309a.
s<0~(m-1)>_h2
65_dintraperio
d_enable
<boolean> 4/4 Enable "Dynamic intra frame period".
* Only available when
"capability_videoin_c<0~(n-1)>_dintra
period_support" is 1 and h265 is listed
in "capability_videoin_codec".
* We support this parameter when
the version number (httpversion) is
equal or greater than 0301c.
s<0~(m-1)>_h2
65_intraperiod
250, 500, 1000, 2000,
3000, 4000
4/4 The time interval between two
I-frames (Intra coded picture).
The unit is millisecond (ms).
* Only available when h265 is listed in
"capability_videoin_codec".
s<0~(m-1)>_h2 cbr, vbr 4/4 cbr: Constant bit rate mode.