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VIVOTEK
User's Manual - 147
s<0~(m-1)>_codectype mpeg4, mjpeg,
h264
<product
dependent>
H264 1/4 Video codec type.
s<0~(m-1)>_resolution Reference
capability_vide
oin_resolution
1920x1080 1/4 Video resolution in pixels.
s<0~(m-1)>_mpeg4_intrap
eriod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_mpeg4_rateco
ntrolmode
cbr, vbr vbr 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 is the customized manual
input setting.
1 = worst quality, 5 = best
quality.
100 is percentage mode.
s<0~(m-1)>_mpeg4_qvalue 2~31 7 4/4 Manual video quality level
input.
(s<0~(m-1)>_mpeg4_quan
t = 99)
s<0~(m-1)>_mpeg4_qperce
nt
1~100 29 4/4 Manual video quality level
input.
(s<0~(m-1)>_mpeg4_quan
t = 100)
s<0~(m-1)>_mpeg4_bitrate 1000~160000
00
<product
dependent>
51200 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxfr
ame
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_intraperi
od
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_ratecont cbr, vbr vbr 4/4 cbr, constant bitrate