sample_venc --numChn=1 --chn=0 -c 264 --getBsMode=1 --statTime=2 --gop=50 --srcFramerate=25 --framerate=25 --initQp=32 --minIqp=28 --maxIqp=46 --minQp=28 --maxQp=46 --ipQpDelta=0 -w 720 -h 480 -i input_yuv -o output_stream --rcMode=0 -n 100 --bitrate=10000 --initialDelay=100 --thrdLv=4 --maxIprop=10

参数及其使用说明

参数	描述
--codec	265 = h.265, jpg = jpeg, mjp = motion jpeg
--width	width of input yuv file
--height	height of input yuv file
--input	source yuv file
--output	output bitstream
--frame_num	number of frame to be encode
--getBsMode	get-bitstream mode, 0 = query status, 1 = select
--profile	profile, 0 = h264 baseline, 1 = h264 main, 2 = h264 high, Default = 2
--rcMode	rate control mode, 0 = CBR, 1 = VBR, 2 = AVBR, 4 = FIXQP, 5 = QPMAP, 6 = UBR (User BR), default = 4
--iqp	I frame QP. [0, 51]
--pqp	P frame QP. [0, 51]
--ipQpDelta	QP Delta between P frame and I frame. [-10, 30]
--bgQpDelta	Smart-P QP delta between P frame and BG (background) frame. [-10, 30], default = 0
--viQpDelta	Smart-P QP delta between P frame and VI (virtual I) frame. [-10, 30], default = 0
--gop	The period of one gop
--gopMode	GOP mode. 0: Normal P, 2: Smart P, Default: 0
--bitrate	The average target bitrate (kbits)
--initQp	The Start Qp of 1st frame, 63 = default
--minQp	Minimum Qp for one frame
--maxQp	Maximum Qp for one frame
--minIqp	Minimum Qp for I frame
--maxIqp	Maximum Qp for I frame
--srcFramerate	source frame rate
--framerate	destination frame rate
--vfps	enable variable FPS
--quality	jpeg encode quality. [0, 99]
--maxbitrate	Maximum output bit rate (kbits)
--changePos	Ratio to change Qp. [50, 100]
--minStillPercent	Percentage of target bitrate in low motion. [5, 100]
--maxStillQp	Maximum Qp in low motion
--motionSense	Motion sensitivity
--avbrFrmLostOpen	avbrFrmLostOpen
--avbrFrmGap	avbrFrmGap
--avbrPureStillThr	avbrPureStillThr
--bgEnhanceEn	Enable background enhancement
--bgDeltaQp	background delta qp
--statTime	statistics time in seconds
--testMode	samele_venc test mode
--getstream-timeout	samele_venc getstream-timeout -1:block mode, 0:try_once, >0 timeout in ms
--sendframe-timeout	samele_venc sendframe-timeout -1:block mode, 0:try_once, >0 timeout in ms
--ifInitVb	if enable VB pool or not
--vbMode	if enable VB pool mode. 0 = common, 1 = module, 2 = private, 3 = user
--yuvFolder	yuv files folder
--bindmode	bind mode. 0 = VENC_BIND_DISABLE, 1 = VENC_BIND_VI, 2 = VENC_BIND_VPSS
--pixel_format	0: 420 planar, 1: 422 planar, 2: NV12, 3: NV21
--posX	x axis of start position, need to be multiple of 16 (used for crop)
--posY	y axis of start position, need to be multiple of 16 (used for crop)
--inWidth	width of input frame (used for crop)
--inHeight	height of input frame (used for crop)
--bufSize	bitstream Buffer size
--single_LumaBuf	0: disable, 1: use single luma buffer for H264
--single_core	0: disable, 1: use single core(h264 or h265 only)
--forceIdr	0: disable, > 0: set force idr at number of frame
--chgNum	frame num to change attr
--chgBitrate	change bitrate (kbits)
--chgFramerate	change dstframerate
--tempLayer	tempLayer
--roiCfgFile	ROI configuration file
--qpMapCfgFile	Roi-based qpMap file
--bgInterval	bgInterval
--frame_lost	0: disable, 1: use frame lost(h264 or h265 only)
--frame_lost_gap	The gap between 2 frame_lost frames(h264 or h265 only)
--frame_lost_thr	frame_lost bsp threshold(h264 or h265 only)
--MCUPerECS	jpeg encode MCUPerECS
--single_EsBuf	0: disable, 1: use single stream buffer (jpege)
--single_EsBuf_264	0: disable, 1: use single stream buffer (h264e)
--single_EsBuf_265	0: disable, 1: use single stream buffer (h265e)
--single_EsBufSize	single stream buffer size (jpege)
--single_EsBufSize_264	single stream buffer size (h264e)
--single_EsBufSize_265	single stream buffer size (h265e)
--numChn	number of channels to encode
--chn	set channel-id to configure the following parameters
--viWidth	for VI input width
--viHeight	for VI input height
--vpssWidth	for Vpss output width
--vpssHeight	for VPss output height
--vpssSrcPath	source file path for vpss
--user_data1	user data binary file 1
--user_data2	user data binary file 2
--user_data3	user data binary file 3
--user_data4	user data binary file 4
--h265RefreshType	0: IDR, 1: CRA, default = 0
--initialDelay	rc initial delay in ms, default = 1000
--jpegMarkerOrder	0: Cvitek, 1: SOI-JFIF-DQT_MERGE-SOF0-DHT_MERGE-DRI, 2: Cvitek w/ JFIF, default = 0
--intraCost	intraCost, the extra cost of intra mode
--thrdLv	thrdLv, threhold to control block qp. [0, 4]
--h264EntropyMode	0: CAVLC, 1: CABAC, default = 1
--h264ChromaQpOffset	H264 Chroma QP offset [-12, 12], default = 0
--h265CbQpOffset	H265 Cb QP offset [-12, 12], default = 0
--h265CrQpOffset	H265 Cr QP offset [-12, 12], default = 0
--maxIprop	max I frame bitrate ratio to P frame, default = 100
--rowQpDelta	rowQpDelta [0, 10], default = 1
--superFrmMode	superFrmMode, 0 = disable, 3 = encode to IDR, default = 0
--superIBitsThr	superIBitsThr [1000, 33554432], default = 4000000
--superPBitsThr	superPBitsThr [1000, 33554432], default = 4000000
--maxReEnc	maxReEnc [0, 3], default = 0
--aspectRatioInfoPresentFlag	aspect ratio info present flag [0, 1], default = 0
--aspectRatioIdc	aspect ratio idc [0, 255], default = 1
--overscanInfoPresentFlag	overscan info present flag [0, 1], default = 0
--overscanAppropriateFlag	overscan appropriate flag [0, 1], default = 0
--sarWidth	sar width [0, 65535], default = 1
--sarHeight	sar height [0, 65535], default = 1
--timingInfoPresentFlag	timing info present flag [0, 1], default = 0
--fixedFrameRateFlag	fixed frame rate flag [0, 1], default = 0
--numUnitsInTick	num units in tick [0, 4294967295], default = 1
--timeScale	time scale [0, 4294967295], default = 60
--videoSignalTypePresentFlag	video signal type present flag [0, 1], default = 0
--videoFormat	video format [0, 7], default = 5
--videoFullRangeFlag	video full range flag [0, 1], default = 0
--colourDescriptionPresentFlag	colour description present flag [0, 1], default = 0
--colourPrimaries	colour primaries [0, 255], default = 2
--transferCharacteristics	transfer characteristics [0, 255], default = 2
--matrixCoefficients	matrix coefficients [0, 255], default = 2
--testUbrEn	enable to test ubr [0, 1], default = 0
--frameQp	frameQp [0, 51], default = 38
--isoSendFrmEn	isoSendFrmEn [0, 1], default = 1
--sensorEn	sensorEn [0, 1], default = 0
--sliceSplitCnt	sliceSplitCnt [1, 5], default = 1
--disabledblk	disabledblk [0, 1], default = 0
--betaOffset	betaOffset [-6, 6], default = 0
--alphaoffset	alphaoffset [-6, 6], default = 0
--intraPred	intraPred [0, 1], default = 0