User`s manual

VIVOTEK
136 - User's Manual
27
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enableblc 0~1 0 4/4 Enable backlight
compensation
s<0~(m-1)>_codectype mpeg4, mjpeg,
h264
h264 1/4 Video codec type.
svc is only supported with
stream 0.
s<0~(m-1)>_resolution "176~1280"x"1
44~800"
1280x800 1/4 Video resolution in pixels.
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 cbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_quant 1~5,99,100 3 4/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
99,100 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_mpeg4_qvalu
e
1~31 7 4/4 Manual video quality
level input.
(s<0~(m-1)>_mpeg4_qua
nt = 99)
s<0~(m-1)>_mpeg4_qpercent 1~100 29 4/4 Set quality by percentage.
1: Worst quality
100: Best quality
(s<0~(m-1)>_mpeg4_quant
= 100)
s<0~(m-1)>_mpeg4_bitrate 1000~8000000 3000000 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxfra
me
1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
30 1/4 Set maximum frame rate in
fps (for MPEG-4).
s<0~(m-1)>_h264_intraper
iod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecontro cbr, vbr cbr 4/4 cbr, constant bitrate