VIVOTEK - A Leading Provider of Multimedia Communication Solutions
98 - User's Manual
CIF,
352x240,
352x288,
4CIF,
704x480,
704x576
s<0~(m-1)>_mpeg4_intraper
iod
250, 500, 1000,
2000, 3000,
4000
4/4
The period of intra frame in milliseconds
s<0~(m-1)>_mpeg4_ratecon
trolmode
cbr, vbr
4/4
cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_quant
0, 1~5
4/4
quality of video when choosing vbr in
“ratecontrolmode”.
0 is customized manual input setting.
1 is worst quality and 5 is the best
quality.
s<0~(m-1)>_mpeg4_qvalue
1~31
7/4
The specific quality parameter of mpeg4
encoder.
1 is best quality and 31 is the worst
quality.
s<0~(m-1)>_mpeg4_bitrate
1000~4000000
4/4
Set bit rate in bps when choose cbr in
“ratecontrolmode”
s<0~(m-1)>_mpeg4_maxfra
me
1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
4/4
set maximum frame rate in fps (for
MPEG-4)
s<0~(m-1)>_mjpeg_quant
0 ~ 5
4/4
quality of jpeg video.
0 is customized manual input setting.
1 is worst quality and 5 is the best
quality.
s<0~(m-1)>_mjpeg_qvalue
10~200
7/4
The specific quality parameter of jpeg
encoder.
10 is best quality and 200 is the worst
quality.
s<0~(m-1)>_mjpeg_maxfra
me
1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
4/4
set maximum frame rate in fps (for
JPEG)
s<0~(m-1)>_forcei
1
7/6
Force I frame