VIVOTEK
146 - User's Manual
URL Command Document for All Series
s<0~(m-1)>_codectype mjpeg, h264 h264 1/4 Video codec type.
svc is only supported with
stream 0.
s<0~(m-1)>_resolution 176x144,
384x216,
640x360,
1280x720,
1280x800
1280x800 1/4 Video resolution in pixels.
s<0~(m-1)>_h264_intraper
iod
250, 500,
1000, 2000,
3000, 4000
1000 4/4 Intra frame period in
milliseconds.
s<0~(m-1)>_h264_priority
policy
framerate,
imagequality
framerate 4/4 The policy to apply when
the target bit rate is not
sufficient to satisfy current
encoded conditions.
“framerate” indicates
frame rate first.
“imagequality” indicates
image quality first.
s<0~(m-1)>_h264_ratecontro
lmode
cbr, vbr cbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 1~5,99, 100 3 4/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
1 = worst quality, 5 = best
quality.
100: Use the quality level in
"qpercent"
99: Use the quality level in
"qvalue"
s<0~(m-1)>_h264_qpercent 1~100 45 4/4 Set quality by percentage.
1: Worst quality
100: Best quality
(s<0~(m-1)>_h264_quant =
100)
s<0~(m-1)>_h264_qvalue 0~51 29 4/4 Manual video quality level
input.
(s<0~(m-1)>_h264_quant =