VIVOTEK
146 - User's Manual
s<0~(m-1)>_h264_
intraperiod
250, 500, 1000,
2000, 3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_
ratecontrolmode
cbr, vbr s0~s1: cbr
s2: vbr
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 7 4/4 Manual video quality level input.
(s<0~(m-1)>_h264_quant = 99)
s<0~(m-1)>_h264_
qpercent
1~100 44 4/4 Manual video quality level input.
(s<0~(m-1)>_h264_quant =
100)
s<0~(m-1)>_h264_
bitrate
1000~20000000 6000000 4/4 Set bit rate in bps when choosing
cbr in “ratecontrolmode”.
s<0~(m-1)>_h264_
maxvbrbitrate
1000~40000000 40000000 4/4 Set bit rate in bps when choosing
vbr in “ratecontrolmode”.
s<0~(m-1)>_h264_
maxframe
1~50,
51~60 (only for
NTSC or 60Hz
CMOS)
10 1/4 Set maximum frame rate in fps
(for h264).
5M : 1~10fps
3M : 1~20fps
2M : 1~30fps
1080P : 1~30fps
720P : 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)>_mjpeg
_ratecontrolmode
<product
dependent>
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mjpeg
_quant
1~5,
99, 100
3 4/4 Quality of JPEG video.
99 is the customized manual
input setting.
1 = worst quality, 5 = best