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78 - User's Manual
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] <blank> 1/4 enclosed caption
imprinttimestamp <boolean> 0 4/4 Overlay time stamp on
video
maxexposure 1~120 5 4/4 Maximum exposure time
s<0~(m-1)>_codectype mpeg4,
mjpeg
mpeg4 4/4 video codec type
s<0~(m-1)>_resolution VGA CMOS
=>
176x144,
320x240,
640x480
CMOS
=>
640x480
4/4 Video resolution in pixel
s<0~(m-1)>_mpeg4_intraperiod 250, 500,
1000, 2000,
3000, 4000
1000 4/4 The period of intra frame
in milliseconds
s<0~(m-1)>_mpeg4_ratecontrol
mode
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_quant 1, 2, 3, 4, 5 3 4/4 quality of video when
choosing vbr in
“ratecontrolmode”. 1 is
worst quality and 5 is
the best quality.
s<0~(m-1)>_mpeg4_bitrate 20000,
30000,
40000,
50000,
64000,
128000,
256000,
512000,
768000,
512000 4/4 set bit rate in bps when
choose cbr in
“ratecontrolmode”