Operation Manual

VIVOTEK
User's Manual - 131
27
s<0~(m-1)>_mpeg4
_maxframe
1~25, 26~30
(only for NTSC
or 60Hz
CMOS)
25=>PAL
CCD or
50Hz
CMOS
30
=>NTS
C CCD
or 60Hz
CMOS
1/4 Set maximum frame rate in fps (for
MPEG-4)
s<0~(m-1)>_h264_i
ntraperiod
250, 500, 1000,
2000, 3000,
4000
1000 4/4 Intra frame period in milliseconds.
s<0~(m-1)>_h264_r
atecontrolmode
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_q
uant
1~5,99 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)>_h264_q
value
0~51 31 4/4 Manual video quality level input -
choose customize input
“h264_quant = 0” (for MPEG-4).
s<0~(m-1)>_h264_b
itrate
1000~8000000 2048000 4/4 Set bit rate in bps when choosing cbr
in “ratecontrolmode”.
s<0~(m-1)>_h264_
maxframe
1~25,
26~30 (only for
NTSC or 60Hz
CMOS)
30 1/4 Set maximum frame rate in fps (for
h264).
s<0~(m-1)>_h264_p
rofile
0~2 1 1/4 Indicate H264 profiles
0: baseline
1: main profile
2: high profile
s<0~(m-1)>_mjpeg_
quant
0 ~ 5 3 4/4 Quality of JPEG video.
0 is the customized manual input
setting.
1 = worst quality, 5 = best quality.
s<0~(m-1)>_mjpeg_
maxframe
1~25,
26~30 (only for
NTSC or 60Hz
25 =>
PAL
CCD or
1/4 Set maximum frame rate in fps (for
JPEG).