Vivotek FD7141 - Page 103

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User's Manual - 103
1(support)
Bit 3 => Support tilt operation; 0(not support),
1(support)
Bit 4 => Support zoom operation; 0(not support),
1(support)
Bit 5 => Support focus operation; 0(not support),
1(support)
text string[16] 1/4 Enclose caption.
imprinttimestamp <boolean> 4/4 Overlay time stamp on video.
maxexposure 1~120 4/4 Maximum exposure time.
options quality,
framerate
4/4 Customize video quality first or video frame rate
first.
(product dependent)
enablepreview <boolean> 1/4 0: normal mode
1: preview mode
(capability_nvideoinprofile > 0)
s<0~(m-1)>_cod
ectype
mpeg4, mjpeg 1/4 Video codec type.
s<0~(m-1)>_reso
lution
FD7141 =>
176x144,
360x240,
720x480
1/4 Video resolution in pixels.
s<0~(m-1)>_mp
eg4_intraperiod
250, 500, 1000,
2000, 3000,
4000
4/4 Intra frame period in milliseconds.
s<0~(m-1)>_mp
eg4_ratecontrolm
ode
cbr, vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mp
eg4_quant
1~5, 99 4/4 Quality of video when choosing vbr in
“ratecontrolmode”.
99 is the customized manual input setting.
1 = worst quality, 5 = best quality.
s<0~(m-1)>_mp
eg4_bitrate
1000~4000000 4/4 Set bit rate in bps when choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mp
eg4_maxframe
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)>_mp
eg4_qvalue
1~31 4/4 Manual video quality level input - choose customize
input “mpeg4_quant = 0” (for MPEG-4).