VIVOTEK
118 - User's Manual
00 “ratecontrolmode”.
s<0~(m-1)>_h264_intraperiod 250, 500,
1000, 2000,
3000, 4000
4/4 Intra frame period in milliseconds.
s<0~(m-1)>_h264_ratecontrolm
ode
cbr, vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 1~5,99 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_qvalue 0~51 4/4 Manual video quality level input -
choose customize input “h264_quant =
0” (for MPEG-4).
s<0~(m-1)>_h264_bitrate 1000~80000
00
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)
1/4 Set maximum frame rate in fps (for
MPEG-4).
s<0~(m-1)>_h264_profile 0~2 1/4 Indicate H264 profiles
0: baseline
1: main profile
2: high profile
s<0~(m-1)>_mpeg4_maxframe 1~25,
26~30 (only
for NTSC or
60Hz CMOS)
1/4 Set maximum frame rate in fps (for
MPEG-4).
s<0~(m-1)>_mpeg4_qvalue 1~31 4/4 Manual video quality level input -
choose customize input “mpeg4_quant
= 0” (for MPEG-4).
s<0~(m-1)>_mjpeg_quant 0 ~ 5 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 CMOS)
1/4 Set maximum frame rate in fps (for
JPEG).
s<0~(m-1)>_mjpeg_qvalue 10~200 4/4 Manual video quality level input -