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VIVOTEK
User's Manual - 165
URL Command Document for All Series391
30
tion capability_videoin_
resolution
s<0~(m-1)>_h264
_intraperiod
250, 500, 1000,
2000, 3000, 4000
4000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264
_prioritypolicy
framerate,
imagequality
framerate 4/4 The policy to apply when the
target bit rate is not sufficient
to satisfy current encoded
conditions.
“framerate” indicates frame
rate first.
“imagequality” indicates
image quality first.
s<0~(m-1)>_h264_
ratecontrolmode
cbr, vbr,smart cbr 4/4 cbr: constant bitrate
vbr: fix quality
smart: smart stream
s<0~(m-1)>_h264_
quant
1~5,99, 100 3 4/4 Quality of video when choosing
vbr in “ratecontrolmode”.
1 = worst quality, 5 = best
quality.
100: Use the quality level in
"qpercent"
99: Use the quality level in
"qvalue"
s<0~(m-1)>_h264_
qpercent
1~100 50 4/4 Set quality by percentage.
1: Worst quality
100: Best quality
(s<0~(m-1)>_h264_quant =
100)
s<0~(m-1)>_h264_
qvalue
0~51 29 4/4 Manual video quality level
input.
(s<0~(m-1)>_h264_quant = 99)
s<0~(m-1)>_h264_
bitrate
1000~40000000 6000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_
maxframe
1~7 7 1/4 Set maximum frame rate in fps
(for h264).
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