VIVOTEK
User's Manual - 197
60Hz CMOS)
mpeg4_intraperiod 250, 500, 1000, 2000, 3000,
4000
1000 Intra frame period in
milliseconds.
mpeg4_ratecontrolmode cbr, vbr vbr cbr: constant bitrate
vbr: fix quality
mpeg4_quant 0, 1~5
99, 1~5
<product dependent>
3 Quality of video when choosing
vbr in
“mpeg4_ratecontrolmode”.
0,99 is the customized manual
input setting.
1 = worst quality, 5 = best
quality.
<product dependent>
mpeg4_qvalue 1~31
2~31
<product dependent>
7
<product
dependent>
Manual video quality level
input.
(This must be present if
mpeg4_quant is equal to 0, 99)
<product dependent>
<product dependent>
mpeg4_bitrate 1000~8000000
1000~4000000
<product dependent>
512000
<product
dependent>
Set bit rate in bps when
choosing cbr in
“mpeg4_ratecontrolmode”.
mpeg4_maxframe 1~25,
26~30 (only for NTSC or
60Hz CMOS)
10
15
<product
dependent>
Set maximum frame rate in fps
(for MPEG-4).
h264_intraperiod 250, 500, 1000, 2000, 3000,
4000
1000 Intra frame period in
milliseconds.
h264_ratecontrolmode cbr, vbr vbr cbr: constant bitrate
vbr: fix quality
h264_quant 0, 1~5
99, 1~5
<product dependent>
3 Quality of video when choosing
vbr in “h264_ratecontrolmode”.
0,99 is the customized manual
input setting.
1 = worst quality, 5 = best
quality.
<product dependent>
h264_qvalue 0~51
<product dependent>
30
<product
Manual video quality level
input.
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