NAME¶

xavs2 - AVS2 (IEEE 1857.4) encoder

DESCRIPTION¶

xavs2 lib loaded: version 1.3.0 experimental 8-bit

SYNOPSIS¶

xavs2 [-f EncoderFile.cfg] [-p ParameterName=Value] [--ParameterName=value]

PARAMETERS¶

WidthImage width in pixels

SourceWidth - Same as `Width`

HeightImage height in pixels

SourceHeight - Same as `Height`

InputInput sequence, YUV 4:2:0

InputFile - Same as `Input`

InputHeaderLengthIf the inputfile has a header, state it's length in byte here

FrameRateFramerateCode, 1: 24000/1001,2: 24,3: 25(default), 4: 30000/1001,5: 30,6: 50,7: 60000/1001,8: 60

ChromaFormatYUV format, 0=4:0:0, 1=4:2:0(default), 2=4:2:2

InputSampleBitDepthSample Bitdepth of input file

FramesNumber of frames to be coded

FramesToBeEncoded - Same as `Frames`

outputOutput bistream file path

OutputFile - Same as `output`

ReconOutput reconstruction YUV file path

ReconFile - Same as `Recon`

MaxSizeInBitMaximum Coding Unit (CU) Size (4, 5, 6)

MinSizeInBitMinimum Coding Unit (CU) Size (3, 4, 5, 6)

ProfileIDProfile ID (18: MAIN PICTURE profile, 32: MAIN profile, 34: MAIN10 profile)

LevelIDLevel ID (16: 2.0; 32: 4.0; 34: 4.2; 64: 6.0; 66: 6.2)

SampleBitDepthEncoding bit-depth

IntraPeriodMaxmaximum intra-period, one I-frame mush appear in any NumMax of frames

IntraPeriodMinminimum intra-period, only one I-frame can appear in at most NumMin of frames

OpenGOPOpen GOP or Closed GOP, 1: Open(default), 0: Closed

UseHadamardHadamard transform (0=not used, 1=used)

FMEMotion Estimation method: 0-Full Search, 1-DIA, 2-HEX, 3-UMH (default), 4-TZ

SearchRangeMax search range

NumberReferenceFramesNumber of previous frames used for inter motion search (1-5)

TemporalIdExistFlagtemporal ID

FFRAMEEnableUse F Frame or not (0: Don't use F frames 1:Use F frames instead of P frames)

DHPEnable(0: Don't use DHP, 1:Use DHP)

MHPSKIPEnable(0: Don't use MH_PSKIP, 1:Use MH_PSKIP)

WSMEnable(0: Don't use WSM, 1:Use WSM)

NumberBFramesNumber of B frames inserted between I/P/F frames (0=not used)

Inter2PUinter partition mode 2NxN or Nx2N or AMP

InterAMPinter partition mode AMP

IntraInInterintra partition in inter frame

RdoLevelRD-optimized mode decision (0:off, 1: only for best partition mode of one CU, 2: only for best 2 partition modes; 3: All partition modes)

LoopFilterDisableDisable loop filter in picture header (0=Filter, 1=No Filter)

LoopFilterParameterSend loop filter parameter (0= No parameter, 1= Send Parameter)

LoopFilterAlphaOffsetAplha offset in loop filter

LoopFilterBetaOffsetBeta offset in loop filter

SAOEnableEnable SAO or not (1: on, 0: off)

ALFEnableEnable ALF or not (1: on, 0: off)

ALFLowLatencyEncodingEnableEnable Low Latency ALF (1=Low Latency mode, 0=High Efficiency mode)

CrossSliceLoopFilterEnable Cross Slice Boundary Filter (0=Disable, 1=Enable)

WQEnableWeighted quantization

RdoqLevelRdoq Level (0: off, 1: cu level, only for best partition mode, 2: all mode)

LambdaFactordefault: 75, Rdoq Lambda factor

LambdaFactorPdefault: 120, Rdoq Lambda factor P/F frame

LambdaFactorBdefault: 100, Rdoq Lambda factor B frame

PMVREnablePMVR

NSQTNSQT

SDIPSDIP

SECTEnableSecondary Transform

TDRDOEnableTDRDO, only for LDP configuration (without B frames)

RefineQPRefined QP, only for RA configuration (with B frames)

RateControl0: CQP, 1: CBR (frame level), 2: CBR (SCU level), 3: VBR

TargetBitRatetarget bitrate, in bps

QPinitial qp for first frame (8bit: 0~63; 10bit: 0~79)

InitialQP - Same as `QP`

QPIFrame - Same as `QP`

MinQPmin qp (8bit: 0~63; 10bit: 0~79)

MaxQPmax qp (8bit: 0~63; 10bit: 0~79)

GopSizesub GOP size (negative numbers indicating an employ of default settings, which will invliadate the following settings.)

PresetLevelpreset level for tradeoff between speed and performance, ordered from fastest to slowest (0, ..., 9), default: 5

Preset - Same as `PresetLevel`

SliceNumNumber of slices for each frame

NumParallelGopnumber of parallel GOPs (0,1: no GOP parallelization)

ThreadFramesnumber of parallel threads for frames ( 0: auto )

ThreadRowsnumber of parallel threads for rows ( 0: auto )

EnableAecThreadEnable AEC thread or not (default: enabled)

LogLevellog level: -1: none, 0: error, 1: warning, 2: info, 3: debug

Log - Same as `LogLevel`

EnablePSNREnable PSNR or not (default: Enable)

EnableSSIMEnable SSIM or not (default: Enable)