VIVOTEK
User's Manual - 153
s<0~(m-1)>_mpeg4_bitrate 1000~160000
00
<product
dependent>
s0: 6000000
s1: 6000000
s2:40000
s3: 6000000
4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxfr
ame
1~30 s0 : 30
s1 : 30
s2 : 5
s3 : 30
s4 : 30
1/4 Set maximum frame rate in
fps (for MPEG-4).
s0_svc_intraperiod 250, 500,
1000, 2000,
3000, 4000
4000 4/4 Intra frame period in
milliseconds.
s0_svc_svclayer 3 31/4 SVC temporal layer.
s0_svc_svcsyntax 0~1 01/4 Enable SVC syntax or not.
s0_svc_maxvbrbitrate 1000~400000
00
40000000 4/4 SVC max vbr bitrate
s0_svc_prioritypolicy framerate,
imagequality
framerate 4/4 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.
s0_svc_ratecontrolmode cbr, vbr cbr 4/4 cbr, constant bitrate
vbr, fix quality
s0_svc_quant 1~5
99, 100
34/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
99 is the customized manual
input setting.
1 = worst quality, 5 = best
quality.
100 is percentage mode.
s0_svc_qvalue 0~51 30 4/4 Manual video quality level
input.
(s<0~(m-1)>_svc_quant =
99)
s0_svc_qpercent 1~100 44 4/4 Manual video quality level
input.