User`s manual
VIVOTEK
154 - User's Manual
3000, 4000 
s<0~(m-1)>_h264_ratecont
rolmode 
cbr, vbr,smart  s0: cbr 
s1: vbr 
s2: cbr 
s3: vbr 
1/4  cbr, constant bitrate 
vbr, fix quality 
smart , smart stream 
s<0~(m-1)>_h264_quant 1~5, 
99, 100 
3  1/4  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)>_h264_qvalue 0~51  30  1/4  Manual video quality level 
input. 
(s<0~(m-1)>_h264_quant 
= 99) 
s<0~(m-1)>_h264_qpercen
t
1~100  45  1/4  Manual video quality level 
input. 
(s<0~(m-1)>_h264_quant 
= 100) 
s<0~(m-1)>_h264_bitrate 20000~32000
000 
8000000  1/4  Set bit rate in bps when 
choosing cbr in 
“ratecontrolmode”. 
s<0~(m-1)>_h264_maxvbr
bitrate 
1000~400000
00 
40000000  1/4  Set bit rate in bps when 
choosing vbr in 
“ratecontrolmode”. 
s<0~(m-1)>_h264_maxfra
me
1~50, 
51~60 (only 
for NTSC or 
60Hz CMOS) 
30  1/4  Set maximum frame rate in 
fps (for h264). 
3M : 1~30fps 
2M : 1~60fps 
(for NTSC or 60Hz CMOS) 
s<0~(m-1)>_h264_profile 
<product dependent> 
0~2  1  1/4  Indicate H264 profiles 
0: baseline 
1: main profile 
2: high profile 
s<0~(m-1)>_h264_priorityp
olicy 
framerate,imag
equality 
framerate  1/4  Set prioritypolicy 
s<0~(m-2)>_h264_smartstr
eam_mode
0~2  0  1/4  Set Smart stream mode 
0:Auto (Motion detection for 










