User manual
VIVOTEK
174 - User's Manual
* Only valid when "ratecontrolmode"= 
vbr and "quant"= 100. 
s<0~(m-1)>_h
265_maxvbrbitr
ate
20000~"capability_videoin_c<n>_h2
65_maxbitrate
"
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 available when h265 is listed in 
"capability_videoin_codec". 
* Only valid when "ratecontrolmode"= 
vbr
s<0~(m-1)>_h
265_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 h265 is listed in 
"capability_videoin_codec" and   
"ratecontrolmode"= cbr. 
* Only available when 
"capability_smartstream_version"="2
.0" 
s<0~(m-1)>_h
265_cbr_qperce
nt
1~100  4/4  Select customized quality in a 
normalized full range. 
1: Worst quality 
100: Best quality 
* Only available when h265 is listed in 
"capability_videoin_codec". 
* Only valid when "ratecontrolmode"= 
cbr and "quant"= 100. 
* Only available when 
"capability_smartstream_version"="2
.0" 
s<0~(m-1)>_h 20000~"capability_videoin_c<n>_h2 4/4  The target bit rate in constant bit rate 










