.TH KVAZAAR "1" "January 2017" "kvazaar v1.0.0" "User Commands" .SH NAME kvazaar \- open source HEVC encoder .SH SYNOPSIS \fBkvazaar \fR\-i \-\-input\-res x \-o .SH DESCRIPTION .TP \fB\-i\fR, \fB\-\-input Input file .TP \fB\-\-input\-res Input resolution [auto] auto: detect from file name x: width times height .TP \fB\-o\fR, \fB\-\-output Output file .SS "Presets:" .TP \fB\-\-preset= Set options to a preset [medium] \- ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow placebo .SS "Input:" .TP \fB\-n\fR, \fB\-\-frames Number of frames to code [all] .TP \fB\-\-seek First frame to code [0] .TP \fB\-\-input\-fps / Framerate of the input video [25.0] .TP \fB\-\-source\-scan\-type Set source scan type [progressive]. \- progressive: progressive scan \- tff: top field first \- bff: bottom field first .TP \fB\-\-input\-format P420 or P400 .TP \fB\-\-input\-bitdepth 8\-16 .TP \fB\-\-loop\-input Re\-read input file forever .SS "Options:" .TP \fB\-\-help Print this help message and exit .TP \fB\-\-version Print version information and exit .TP \fB\-\-aud Use access unit delimiters .TP \fB\-\-debug Output encoders reconstruction. .TP \fB\-\-cpuid Disable runtime cpu optimizations with value 0. .TP \fB\-\-hash Decoded picture hash [checksum] \- none: 0 bytes \- checksum: 18 bytes \- md5: 56 bytes .TP \fB\-\-no\-psnr Don't calculate PSNR for frames .TP \fB\-\-no\-info Don't add encoder info SEI. .SS "Video structure:" .TP \fB\-q\fR, \fB\-\-qp Quantization Parameter [32] .TP \fB\-p\fR, \fB\-\-period Period of intra pictures [0] \- 0: only first picture is intra \- 1: all pictures are intra \- 2\-N: every Nth picture is intra .TP \fB\-\-vps\-period Specify how often the video parameter set is re\-sent. [0] \- 0: only send VPS with the first frame \- N: send VPS with every Nth intra frame .TP \fB\-r\fR, \fB\-\-ref Reference frames, range 1..15 [3] .TP \fB\-\-gop Definition of GOP structure [0] \- 0: disabled \- 8: B\-frame pyramid of length 8 \- lp\-: lp\-gop definition (e.g. lp\-g8d4t2, see README) .TP \fB\-\-cqmfile Custom Quantization Matrices from a file .TP \fB\-\-bitrate Target bitrate. [0] \- 0: disable rate\-control \- N: target N bits per second .TP \fB\-\-lossless Use lossless coding .TP \fB\-\-mv\-constraint Constrain movement vectors \- none: no constraint \- frametile: constrain within the tile \- frametilemargin: constrain even more .TP \fB\-\-roi Use a delta QP map for region of interest Read an array of delta QP values from a file, where the first two values are the width and height, followed by width*height delta QP values in raster order. The delta QP map can be any size or aspect ratio, and will be mapped to LCU's. .SS "Compression tools:" .TP \fB\-\-deblock [] Deblocking \- beta: between \-6 and 6 \- tc: between \-6 and 6 .TP \fB\-\-(no\-)sao Sample Adaptive Offset .TP \fB\-\-(no\-)rdoq Rate\-Distortion Optimized Quantization .TP \fB\-\-(no\-)signhide Sign Hiding .TP \fB\-\-(no\-)smp Symmetric Motion Partition .TP \fB\-\-(no\-)amp Asymmetric Motion Partition .TP \fB\-\-rd Intra mode search complexity \- 0: skip intra if inter is good enough \- 1: rough intra mode search with SATD \- 2: refine intra mode search with SSE .TP \fB\-\-(no\-)mv\-rdo Rate\-Distortion Optimized motion vector costs .TP \fB\-\-(no\-)full\-intra\-search Try all intra modes during rough search. .TP \fB\-\-(no\-)transform\-skip Transform skip .TP \fB\-\-me Integer motion estimation \- hexbs: Hexagon Based Search \- tz: Test Zone Search \- full: Full Search \- full8, full16, full32, full64 .TP \fB\-\-subme Set fractional pixel motion estimation level \- 0: only integer motion estimation \- 1: + 1/2\-pixel horizontal and vertical \- 2: + 1/2\-pixel diagonal \- 3: + 1/4\-pixel horizontal and vertical \- 4: + 1/4\-pixel diagonal .TP \fB\-\-pu\-depth\-inter \- Range for sizes for inter predictions \- 0, 1, 2, 3: from 64x64 to 8x8 .TP \fB\-\-pu\-depth\-intra \- Range for sizes for intra predictions \- 0, 1, 2, 3, 4: from 64x64 to 4x4 .TP \fB\-\-(no\-)bipred Bi\-prediction .TP \fB\-\-(no\-)cu\-split\-termination CU split search termination condition \- off: Never terminate cu\-split search \- zero: Terminate with zero residual .TP \fB\-\-(no\-)me\-early\-termination ME early termination condition \- off: Don't terminate early \- on: Terminate early \- sensitive: Terminate even earlier .TP \fB\-\-(no\-)implicit\-rdpcm Implicit residual DPCM Currently only supported with lossless coding. .TP \fB\-\-(no\-)tmvp Temporal Motion Vector Prediction .TP \fB\-\-(no\-)rdoq\-skip Skips RDOQ for 4x4 blocks .SS "Parallel processing:" .TP \fB\-\-threads Number of threads to use [auto] \- 0: process everything with main thread \- N: use N threads for encoding \- auto: select based on number of cores .TP \fB\-\-owf Frame parallelism [auto] \- N: Process N\-1 frames at a time \- auto: Select automatically .TP \fB\-\-(no\-)wpp Wavefront parallel processing [enabled] Enabling tiles automatically disables WPP. To enable WPP with tiles, re\-enable it after enabling tiles. .TP \fB\-\-tiles x Split picture into width x height uniform tiles. .TP \fB\-\-tiles\-width\-split |u Specifies a comma separated list of pixel positions of tiles columns separation coordinates. Can also be u followed by and a single int n, in which case it produces columns of uniform width. .TP \fB\-\-tiles\-height\-split |u Specifies a comma separated list of pixel positions of tiles rows separation coordinates. Can also be u followed by and a single int n, in which case it produces rows of uniform height. .TP \fB\-\-slices Control how slices are used \- tiles: put tiles in independent slices \- wpp: put rows in dependent slices \- tiles+wpp: do both .SS "Video Usability Information:" .TP \fB\-\-sar Specify Sample Aspect Ratio .TP \fB\-\-overscan Specify crop overscan setting [undef] \- undef, show, crop .TP \fB\-\-videoformat Specify video format [undef] \- component, pal, ntsc, secam, mac, undef .TP \fB\-\-range Specify color range [tv] \- tv, pc .TP \fB\-\-colorprim Specify color primaries [undef] \- undef, bt709, bt470m, bt470bg, smpte170m, smpte240m, film, bt2020 .TP \fB\-\-transfer Specify transfer characteristics [undef] \- undef, bt709, bt470m, bt470bg, smpte170m, smpte240m, linear, log100, log316, iec61966\-2\-4, bt1361e, iec61966\-2\-1, bt2020\-10, bt2020\-12 .TP \fB\-\-colormatrix Specify color matrix setting [undef] \- undef, bt709, fcc, bt470bg, smpte170m, smpte240m, GBR, YCgCo, bt2020nc, bt2020c .TP \fB\-\-chromaloc Specify chroma sample location (0 to 5) [0]