Vivotek M, SD8364E user manual Choosing Vbr Ratecontrolmode

										VIVOTEK
options	quality, framerate		quality	1/4	Video input option:
					(1) Full HD (MAX1080P 30fps)
					(product dependent)
					(2)	Exceptional			frame	rate
					( 720P 60fps)
enablepreview	<boolean>		0	1/4	Usage for UI of exposure
					settings. Preview				settings of
					video profile.
s0_codectype	mpeg4,	mjpeg,	h264	1/4	Video codec type.
	h264
s<1~(m-1)>_codectype	mpeg4,	mjpeg,	h264	1/4	Video codec type.
	h264
s<0~(m-1)>_resolution	Reference		s0:1920x1	1/4	Video resolution in pixels.
	capability_videoin_r		080
	esolution		s1:
			1280x720,
			s2:
			640x360,
			s3:
			1920x1080
s<0~(m-1)>_mpeg4_intrap	250, 500,	1000,	1000	4/4	Intra		frame		period	in
eriod	2000, 3000, 4000				milliseconds.
s0_mpeg4_maxvbrbitrate	1000~40000000		40000000	4/4	Mpeg4 max vbr bitrate
s<0~(m-1)>_mpeg4_priorit	framerate,		s0:	4/4	The policy to apply when the
ypolicy	imagequality		framerate		target bit rate is not sufficient
			s1:		to	satisfy		current encoded
			framerate		conditions.
			s2:		“framerate”			indicates frame
			imagequalit		rate first.
			y		“imagequality”				indicates
			s3:		image quality first.
			imagequalit
			y
s<0~(m-1)>_mpeg4_rateco	cbr, vbr		s0: cbr	4/4	cbr, constant bitrate
ntrolmode			s1: cbr		vbr, fix quality
			s2: cbr
			s3: cbr
s<0~(m-1)>_mpeg4_quant	1~5		3	4/4	Quality		of	video		when
	99, 100				choosing			vbr		in
					“ratecontrolmode”.

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