VIVOTEK
132 - User's Manual
33
URL Command Document for VS8401-VVTK
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_mpeg4_qvalue 1~31
7
4/4
Manual video quality level
input.
(s<0~(m-1)>_mpeg4_quant
= 0, 99)
*Note: This is reserved for
campatibility, and we
recommend changing to use
“s<0~(m-1)>_mpeg4_qperce
nt”.
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
1000~4000000
51200
4/4
Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxfra
me
1~30
20
1/4
Set maximum frame rate in
fps (for MPEG-4).
s<0~(m-1)>_h264_intraperio
d
250, 500, 1000,
2000, 3000,
4000
1000
4/4
Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecontro
lmode
cbr, vbr
vbr
4/4
cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 0~5,99,100 3
4/4
Quality of video when
choosing vbr in
“ratecontrolmode”.
0, 99 and 100 is the
customized manual input
setting.
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_h264_qvalue 0~51
26
4/4
Manual video quality level
input.
(s<0~(m-1)>_h264_quant =
0, 99)
*Note: This is reserved for
