Vivotek VS8801 - Page 131

VIVOTEK
User's Manual - 131
32
URL Command Document for VS8401-VVTK
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] <blank> 1/4 Enclose caption.
imprinttimestamp <boolean> 0 4/4 Overlay time stamp and
enclose caption on video.
s<0~(m-1)>_codectype mpeg4,
mjpeg,
h264
h264 1/4 Video codec type.
s<0~(m-1)>_resolution D1,
4CIF,
CIF,
QCIF
4CIF 1/4 Video resolution in pixels.
s<0~(m-1)>_ratiocorrect <boolean> 0 1/4 Change resolution to fit 4:3
ratio.
For PAL:
D1/4CIF(720/704x576) ->
(768x576)
CIF(352x288)->(384x288)
For NTSC:
D1/4CIF(720/704x480) ->
(640x480)
CIF(352x240)->(320x240)
s<0~(m-1)>_mpeg4_intraperi
od
250, 500, 1000,
2000, 3000,
4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_mpeg4_ratecont
rolmode
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_quant 0~5
99,
100
3 4/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
0, 99,100 is the customized
manual input setting.