NAME

       xavs2 - AVS2 (IEEE 1857.4) encoder

DESCRIPTION

       xavs2 lib loaded: version 1.3.0 unstable 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)

xavs2 1.3                                          April 2021                                           XAVS2(1)