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VIVOTEK
140 - User's Manual
100 is percentage mode.
s<0~(m-1)>_mpeg
4_qvalue
1~31 7 4/4 Manual video quality level input.
(s<0~(m-1)>_mpeg4_quant =
99)
s<0~(m-1)>_mpeg
4_qpercent
1~100 29 4/4 Manual video quality level input.
(s<0~(m-1)>_mpeg4_quant =
100)
s<0~(m-1)>_mpeg
4_bitrate
1000~16000000 4000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg
4_maxframe
1~30 30 1/4 Set maximum frame rate in fps
(for MPEG-4).
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 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 26 4/4 Manual video quality level input.
(s<0~(m-1)>_h264_quant =
99)
s<0~(m-1)>_h264_
qpercent
1~100 45 4/4 Manual video quality level input.
(s<0~(m-1)>_h264_quant =
100)
s<0~(m-1)>_h264_
bitrate
1000~16000000 4000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_
maxframe
1~30 30 1/4 Set maximum frame rate in fps
(for h264).
s<0~(m-1)>_h264_
profile
0~2 2 1/4 Indicate H264 profiles
0: baseline
1: main profile
2: high profile
s<0~(m-1)>_mjpeg
_quant
1~5
99, 100
3 4/4 Quality of JPEG video.
99 is the customized manual