Vivotek FD8131 - MPEG-4 and H.264 Video Parameters

VIVOTEK
User's Manual - 133
29
h264
s<0~(m-1)>_resolution 1M CMOS
176x144,
320x200
640x400
1280x800
1M
CMOS
1/4 Video resolution in pixels.
s<0~(m-1)>_mpeg4_intraperiod 250, 500,
1000,
2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_mpeg4_ratecontrol
mode
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_mpeg4_quant 0, 1~5 3 4/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
0 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_mpeg4_qvalue 2~31 7 4/4 Manual video quality level
input.
s<0~(m-1)>_mpeg4_bitrate 1000~80000
00
51200 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_mpeg4_maxframe 1~25, 26~30
(only for
NTSC or
60Hz
CMOS)
25=>PA
L CCD
or
50Hz
CMOS
30
=>NT
SC
CCD or
60Hz
CMOS
1/4 Set maximum frame rate
in fps (for MPEG-4)
s<0~(m-1)>_h264_intraperiod 250, 500,
1000,
2000,
1000 4/4 Intra frame period in
milliseconds.