Vivotek PZ8121 - Page 117

VIVOTEK
User's Manual - 117
s<0~(m-1)>_h264_ratecontrolm
ode
cbr, vbr vbr 4/4 cbr, constant bitrate
vbr, fix quality
s<0~(m-1)>_h264_quant 99, 1~5 3 4/4 Quality of video when
choosing vbr in
“ratecontrolmode”.
99 is the customized
manual input setting.
1 = worst quality, 5 = best
quality.
s<0~(m-1)>_h264_qvalue 0~51 7 7/4 The specific quality
parameter of the H264
encoder.
0 = best quality, 51 =
worst quality.
s<0~(m-1)>_h264_bitrate 1000~40000
00
51200 4/4 Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_h264_maxframe 1~30 25 =>
PAL
30 =>
NTSC
1/4 Set maximum frame rate
in fps (for H.264).
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_quantlevel 1~31 7 7/4 The specific quality
parameter of the Mpeg4
encoder.
1 = best quality, 31 =
worst quality.