User manual
VIVOTEK
User's Manual - 173  
The unit is millisecond (ms). 
* Only available when h265 is listed in 
"capability_videoin_codec". 
s<0~(m-1)>_h
265_ratecontrol
mode
cbr, vbr  4/4  cbr: Constant bit rate mode. 
vbr: Fixed quality mode, all frames are 
encoded in the same quality. 
* Only available when h265 is listed in 
"capability_videoin_codec". 
s<0~(m-1)>_h
265_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 available when h265 is listed in 
"capability_videoin_codec" and   
"ratecontrolmode"= vbr. 
s<0~(m-1)>_h
265_qvalue 
0~51  4/4  Manual video quality level input. The Q 
value which is used by encoded library 
directly. 
* Only available when h265 is listed in 
"capability_videoin_codec". 
* Only valid when "ratecontrolmode"= 
vbr and s<0~(m-1)>_h265_quant = 
99. 
s<0~(m-1)>_h
265_qpercent 
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". 










