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VIVOTEK
128 - User's Manual
28
100: Best quality
(s<0~(m-1)>_mjpeg_quant =
100)
s<0~(m-1)>_ mjpeg_
maxvbrbitrate
1000~4000000
0
40M 4/4 Maximum vbr bitrate
s<0~(m-1)>_h264_intraper
iod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecontro
lmode
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”.
99,100 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_h264_qpercent 1~100 45 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 26 4/4 Manual video quality level
input.
(s<0~(m-1)>_h264_quant =
99)
s<0~(m-1)>_h264_bitrate 1000~8000000 3000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_maxframe 1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
30 1/4 Set maximum frame rate in
fps (for h264).
s<0~(m-1)>_h264_profile 0~2 1 1/4 Indicate H264 profiles
0: baseline
1: main profile
2: high profile
s<0~(m-1)>_ h264_
maxvbrbitrate
1000~4000000
0
40M 4/4 Maximum vbr bitrate