Vivotek FE8173 user manual Vivotek

				VIVOTEK
restriction	upperbound			average bit rate will be equal
				to its target bit rate.
				“upperbound” indicates the
				bit rate will always not
				exceed its target bit rate.
s<0~(m-1)>_mpeg4_priorit	framerate,	framerate	4/4	The policy to apply when the
ypolicy	imagequality			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)>_mpeg4_rateco	cbr, vbr	vbr	4/4	cbr, constant bitrate
ntrolmode				vbr, fix quality
s<0~(m-1)>_mpeg4_quant	1~5	3	4/4	Quality of video when
	99, 100			choosing vbr in
				“ratecontrolmode”.
				99 is the customized manual
				input setting.
				1 = worst quality, 5 = best
				quality.
				100 is percentage mode.
s<0~(m-1)>_mpeg4_qvalue	2~31	7	4/4	Manual video quality level
				input.
				(s<0~(m-1)>_mpeg4_quan
				t = 99)
s<0~(m-1)>_mpeg4_qperce	1~100	29	4/4	Manual video quality level
nt				input.
				(s<0~(m-1)>_mpeg4_quan
				t = 100)
s<0~(m-1)>_mpeg4_bitrate	1000~160000	3000000	4/4	Set bit rate in bps when
	00			choosing cbr in
	<product			“ratecontrolmode”.
	dependent>
s<0~(m-1)>_mpeg4_maxfr	1~15	15	1/4	Set maximum frame rate in
ame				fps (for MPEG-4).
s<0~(m-1)>_svc_intraperio	250, 500,	1000	4/4	Intra frame period in
d	1000, 2000,			milliseconds.
	3000, 4000

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