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VIVOTEK
User's Manual - 127
ypolicy imagequality 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_rateco
ntrolmode
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.
Set the pre-defined quality
level:
1: Median
2: Standard
3: Good
4: Detailed
5: Excellent
100: Use the quality level in
"qpercent"
99: Use the quality level in
"qvalue"
s<0~(m-1)>_mjpeg_maxfram
e
1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
25 => PAL
CCD or
50Hz
CMOS
30 =>
NTSC
CCD or
60Hz
CMOS
1/4 Set maximum frame rate in
fps (for JPEG).
s<0~(m-1)>_mjpeg_qvalue 10~200 49 4/4 Manual video quality level
input.
(s<0~(m-1)>_mjpeg_quant =
0)
s<0~(m-1)>_mjpeg_qpercent 1~100 50 4/4 Set quality by percentage.
1: Worst quality
100: Best quality
(s<0~(m-1)>_mjpeg_quant =
100)