VIVOTEK
User's Manual - 171
* We support this parameter when the
version number (httpversion) is equal
or greater than 0301c.
s<0~(m-1)>_h
264_intraperiod
250, 500, 1000, 2000, 3000, 4000
4/4
The time interval between two
I-frames (Intra coded picture).
The unit is millisecond (ms).
s<0~(m-1)>_h
264_ratecontrol
mode
cbr, vbr
4/4
cbr
: Constant bit rate mode.
vbr
: Fixed quality mode, all frames are
encoded in the same quality.
s<0~(m-1)>_h
264_quant
1~5,
99, 100
4/4
Set the pre-defined quality level:
1: Medium
2: Standard
3: Good
4: Detailed
5: Excellent
100: Use the quality level in
"qpercent"
99: Use the quality level in "qvalue"
* Only valid when "ratecontrolmode"=
vbr.
s<0~(m-1)>_h
264_qvalue
0~51
4/4
Manual video quality level input. The Q
value which is used by encoded library
directly.
* Only valid when "ratecontrolmode"=
vbr and s<0~(m-1)>_h264_quant =
99.
s<0~(m-1)>_h
264_qpercent
1~100
4/4
Select customized quality in a
normalized full range.
1: Worst quality
100: Best quality
* Only valid when "ratecontrolmode"=
vbr and "quant"= 100.
s<0~(m-1)>_h
264_maxvbrbitr
ate
20000~"capability_videoin_c<0~(n-1
)>_h264_maxbitrate
"
4/4
The
maximum
allowed
bit
rate
in
fixed
quality
mode.
When
the
bit
rate
exceeds
this
value,
frames
will
be
dropped
to
restrict
the
