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VIVOTEK
150 - User's Manual
(s<0~(m-1)>_mpeg4_quant =
99)
s<0~(m-1)>_mpeg4_qperce
nt
1~100 29 1/4 Manual video quality level input.
(s<0~(m-1)>_mpeg4_quant =
100)
s<0~(m-1)>_mpeg4_bitrate 1000~400000
00
6000000 1/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxvb
rbitrate
1000~"capabili
ty_videoin_c<
n>_mpeg4_ma
xbitrate"
40000000 1/4 The maximum allowed bit rate
in fixed quality mode.
When the bit rate exceeds this
value, frames will be dropped to
restrict the bit rate.
* Only valid when
"ratecontrolmode"= vbr
s<0~(m-1)>_mpeg4_maxfr
ame
1~50,
51~60 (only
for NTSC or
60Hz CMOS)
20 1/4 Set maximum frame rate in fps
(for MPEG-4).
5M : 1~10fps
3M : 1~20fps
2M : 1~30fps
1080P : 1~25fps
720P : 1~60fps
(for NTSC or 60Hz CMOS)
s<0~(m-1)>_h264_intraperi
od
250, 500,
1000, 2000,
3000, 4000
1000 1/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecont
rolmode
cbr, vbr cbr 1/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_priorityp
olicy
framerate,
imagequality
framerate 1/4 The policy to apply when the
target bit rate is not sufficient to
satisfy current encoded
conditions.
“framerate” indicates frame rate
first.
“imagequality” indicates image
quality first.
s<0~(m-1)>_h264_quant 1~5,
99, 100
3 1/4 Quality of video when choosing
vbr in “ratecontrolmode”.
99 is the customized manual