Vivitek IB8156-C user manual Svc is only supported with, Stream

VIVOTEK URL Command Document for IB8156

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	1.3M CMOS	1280x1024	1/4	Video resolution in pixels.
		=>
		176x144,
		320x256,
		640x512,
		980x768,
		1280x1024
	s<0~(m-1)>_h264_intraper	250, 500,	1000	4/4	Intra frame period in
	iod	1000, 2000,			milliseconds.
		3000, 4000
	s<0~(m-1)>_h264_priority	framerate,	framerate	4/4	The policy to apply when
	policy	imagequality			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	cbr, vbr	cbr	4/4	cbr, constant bitrate
	lmode				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	50	4/4	Set quality by percentage.
					1: Worst quality
					100: Best quality
142 - User's Manual