VIVOTEK
User's Manual - 149
quality first.
s<0~(m-1)>_h264_ratecont
rolmode
cbr, vbr cbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 1~5
99, 100
3 4/4 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 4/4 Manual video quality level input.
(s<0~(m-1)>_h264_quant =
99)
s<0~(m-1)>_h264_qpercen
t
1~100 44 4/4 Manual video quality level input.
(s<0~(m-1)>_h264_quant =
100)
s<0~(m-1)>_h264_bitrate 1000~160000
00
s0:4000000
s1:1000000
s2:4000000
4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_maxfra
me
1~30 15 1/4 Set maximum frame rate in fps
(for h264).
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)>_mjpeg_bitrater
estriction
<product dependent>
average,
upperbound
average 4/4 “average” indicates the average
bit rate will be equal to its target
bit rate.
“upperbound” indicates the bit
rate will always not exceed its
target bit rate.
s<0~(m-1)>_mjpeg_priority
policy
framerate,
imagequality
s0:framerate
s1: imagequality
s2: imagequality
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)>_mjpeg_ratecon cbr, vbr vbr 4/4 cbr, constant bitrate
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