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VIVOTEK
User's Manual - 123
1 = worst quality, 5 = best quality.
s<0~(m-1)>_mpeg4_bitr
ate
1000~800000
0
4/4 Set bit rate in bps when choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_ma
xframe
1~25,
26~30 (only
for NTSC or
60Hz CMOS)
1/4 Set maximum frame rate in fps (for MPEG-4).
s<0~(m-1)>_mpeg4_qval
ue
2~31 4/4 Manual video quality level input - choose
customize input “mpeg4_quant = 0” (for
MPEG-4).
s<0~(m-1)>_h264_intrap
eriod
250, 500,
1000, 2000,
3000, 4000
4/4 Intra frame period in milliseconds.
s<0~(m-1)>_h264_ratec
ontrolmode
cbr, vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 1~5,99 4/4 Quality of video when choosing vbr in
“ratecontrolmode”.
0 is the customized manual input setting.
1 = worst quality, 5 = best quality.
s<0~(m-1)>_h264_qvalu
e
0~51 4/4 Manual video quality level input - choose
customize input “h264_quant = 0” (for
MPEG-4).
s<0~(m-1)>_h264_bitrat
e
1000~800000
0
4/4 Set bit rate in bps when choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_maxfr
ame
1~25,
26~30 (only
for NTSC or
60Hz CMOS)
1/4 Set maximum frame rate in fps (for MPEG-4).
s<0~(m-1)>_h264_profil
e
0~2 1/4 Indicate H264 profiles
0: baseline
1: main profile
2: high profile
s<0~(m-1)>_mjpeg_qua
nt
1 ~ 5,99 4/4 Quality of JPEG video.
0 is the customized manual input setting.
1 = worst quality, 5 = best quality.
s<0~(m-1)>_mjpeg_max
frame
1~25, 26~30
(only for NTSC
or 60Hz CMOS)
1/4 Set maximum frame rate in fps (for JPEG).
s<0~(m-1)>_mjpeg_qval
ue
2~97 4/4 Manual video quality level input - choose
customize input “mjpeg_quant = 0” (for