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VIVOTEK
154 - User's Manual
1 = worst quality, 5 = best quality.
mjpeg_qvalue 10~200 50 Manual video quality level input.
(This must be present if
mjpeg_quant is equal to 0)
mjpeg_maxframe 1~25,
26~30 (only for NTSC or
60Hz CMOS)
15 Set maximum frame rate in fps
(for JPEG).
mpeg4_intraperiod 250, 500, 1000, 2000, 3000,
4000
1000 Intra frame period in
milliseconds.
mpeg4_ratecontrol
mode
cbr, vbr Vbr cbr: constant bitrate
vbr: fix quality
mpeg4_quant 0, 1~5 3 Quality of video when choosing
vbr in “mpeg4_ratecontrolmode”.
0 is the customized manual input
setting.
1 = worst quality, 5 = best quality.
mpeg4_qvalue 1~31 7 Manual video quality level input.
(This must be present if
mpeg4_quant is equal to 0)
mpeg4_bitrate 1000~8000000 512000 Set bit rate in bps when choosing
cbr in “mpeg4_ratecontrolmode”.
mpeg4_maxframe 1~25,
26~30 (only for NTSC or
60Hz CMOS)
10 Set maximum frame rate in fps
(for MPEG-4).
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