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.TH KVAZAAR "1" "January 2017" "kvazaar v1.0.0" "User Commands"
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.SH NAME
kvazaar \- open source HEVC encoder
.SH SYNOPSIS
\fBkvazaar \fR\-i <input> \-\-input\-res <width>x<height> \-o <output>
.SH DESCRIPTION
.TP
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\fB\-i\fR, \fB\-\-input
Input file
.TP
\fB\-\-input\-res <res>
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Input resolution [auto]
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auto: detect from file name
<int>x<int>: width times height
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.TP
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\fB\-o\fR, \fB\-\-output
Output file
.SS "Presets:"
.TP
\fB\-\-preset=<preset>
Set options to a preset [medium]
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\- ultrafast, superfast, veryfast, faster,
fast, medium, slow, slower, veryslow
placebo
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.SS "Input:"
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.TP
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\fB\-n\fR, \fB\-\-frames <integer>
Number of frames to code [all]
.TP
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\fB\-\-seek <integer>
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First frame to code [0]
.TP
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\fB\-\-input\-fps <num>/<denom>
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Framerate of the input video [25.0]
.TP
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\fB\-\-source\-scan\-type <string>
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Set source scan type [progressive].
\- progressive: progressive scan
\- tff: top field first
\- bff: bottom field first
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.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 <string>
Output encoders reconstruction.
.TP
\fB\-\-cpuid <integer>
Disable runtime cpu optimizations with value 0.
.TP
\fB\-\-hash
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Decoded picture hash [checksum]
\- none: 0 bytes
\- checksum: 18 bytes
\- md5: 56 bytes
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.TP
\fB\-\-no\-psnr
Don't calculate PSNR for frames
.TP
\fB\-\-no\-info
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Don't add encoder info SEI.
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.SS "Video structure:"
.TP
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\fB\-q\fR, \fB\-\-qp <integer>
Quantization Parameter [32]
.TP
\fB\-p\fR, \fB\-\-period <integer>
Period of intra pictures [0]
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\- 0: only first picture is intra
\- 1: all pictures are intra
\- 2\-N: every Nth picture is intra
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.TP
\fB\-\-vps\-period <integer>
Specify how often the video parameter set is
re\-sent. [0]
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\- 0: only send VPS with the first frame
\- N: send VPS with every Nth intra frame
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.TP
\fB\-r\fR, \fB\-\-ref <integer>
Reference frames, range 1..15 [3]
.TP
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\fB\-\-gop <string>
Definition of GOP structure [0]
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\- 0: disabled
\- 8: B\-frame pyramid of length 8
\- lp\-<string>: lp\-gop definition
(e.g. lp\-g8d4t2, see README)
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.TP
\fB\-\-cqmfile <string>
Custom Quantization Matrices from a file
.TP
\fB\-\-bitrate <integer>
Target bitrate. [0]
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\- 0: disable rate\-control
\- N: target N bits per second
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.TP
\fB\-\-lossless
Use lossless coding
.TP
\fB\-\-mv\-constraint
Constrain movement vectors
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\- none: no constraint
\- frametile: constrain within the tile
\- frametilemargin: constrain even more
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.TP
\fB\-\-roi <string>
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.
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.SS "Compression tools:"
.TP
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\fB\-\-deblock [<beta:tc>]
Deblocking
\- beta: between \-6 and 6
\- tc: between \-6 and 6
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.TP
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\fB\-\-(no\-)sao
Sample Adaptive Offset
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.TP
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\fB\-\-(no\-)rdoq
Rate\-Distortion Optimized Quantization
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.TP
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\fB\-\-(no\-)signhide
Sign Hiding
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.TP
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\fB\-\-(no\-)smp
Symmetric Motion Partition
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.TP
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\fB\-\-(no\-)amp
Asymmetric Motion Partition
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.TP
\fB\-\-rd <integer>
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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
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.TP
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\fB\-\-(no\-)mv\-rdo
Rate\-Distortion Optimized motion vector costs
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.TP
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\fB\-\-(no\-)full\-intra\-search
Try all intra modes during rough search.
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.TP
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\fB\-\-(no\-)transform\-skip
Transform skip
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.TP
Add a script for updating README Adds script tools/update_readme.sh for regenerating the "Using Kvazaar" section of README.md from the output of "kvazaar --help".
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\fB\-\-me <string>
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Integer motion estimation
\- hexbs: Hexagon Based Search
\- tz: Test Zone Search
\- full: Full Search
\- full8, full16, full32, full64
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.TP
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\fB\-\-subme <integer>
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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
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.TP
\fB\-\-pu\-depth\-inter <int>\-<int>
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Range for sizes for inter predictions
\- 0, 1, 2, 3: from 64x64 to 8x8
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.TP
\fB\-\-pu\-depth\-intra <int>\-<int>
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Range for sizes for intra predictions
\- 0, 1, 2, 3, 4: from 64x64 to 4x4
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.TP
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\fB\-\-(no\-)bipred
Bi\-prediction
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\fB\-\-(no\-)cu\-split\-termination
CU split search termination condition
\- off: Never terminate cu\-split search
\- zero: Terminate with zero residual
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\fB\-\-(no\-)me\-early\-termination
ME early termination condition
\- off: Don't terminate early
\- on: Terminate early
\- sensitive: Terminate even earlier
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\fB\-\-(no\-)implicit\-rdpcm
Implicit residual DPCM
Currently only supported with lossless coding.
Add --implicit-rdpcm command line parameter. Makes it possible to use lossless coding without implicit residual DPCM.
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.TP
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\fB\-\-(no\-)tmvp
Temporal Motion Vector Prediction
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.TP
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\fB\-\-(no\-)rdoq\-skip
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Skips RDOQ for 4x4 blocks
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.SS "Parallel processing:"
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.TP
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\fB\-\-threads <integer>
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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
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.TP
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\fB\-\-owf <integer>
Frame parallelism [auto]
\- N: Process N\-1 frames at a time
\- auto: Select automatically
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.TP
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\fB\-\-(no\-)wpp
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Wavefront parallel processing [enabled]
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Enabling tiles automatically disables WPP.
To enable WPP with tiles, re\-enable it after
enabling tiles.
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.TP
\fB\-\-tiles <int>x<int>
Split picture into width x height uniform tiles.
.TP
\fB\-\-tiles\-width\-split <string>|u<int>
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 <string>|u<int>
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.
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.TP
\fB\-\-slices <string>
Control how slices are used
\- tiles: put tiles in independent slices
\- wpp: put rows in dependent slices
\- tiles+wpp: do both
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.SS "Video Usability Information:"
.TP
\fB\-\-sar <width:height>
Specify Sample Aspect Ratio
.TP
\fB\-\-overscan <string>
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Specify crop overscan setting [undef]
\- undef, show, crop
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.TP
\fB\-\-videoformat <string>
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Specify video format [undef]
\- component, pal, ntsc, secam, mac, undef
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.TP
\fB\-\-range <string>
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Specify color range [tv]
\- tv, pc
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.TP
\fB\-\-colorprim <string>
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Specify color primaries [undef]
\- undef, bt709, bt470m, bt470bg,
smpte170m, smpte240m, film, bt2020
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.TP
\fB\-\-transfer <string>
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Specify transfer characteristics [undef]
\- undef, bt709, bt470m, bt470bg,
smpte170m, smpte240m, linear, log100,
log316, iec61966\-2\-4, bt1361e,
iec61966\-2\-1, bt2020\-10, bt2020\-12
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.TP
\fB\-\-colormatrix <string>
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Specify color matrix setting [undef]
\- undef, bt709, fcc, bt470bg, smpte170m,
smpte240m, GBR, YCgCo, bt2020nc, bt2020c
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.TP
\fB\-\-chromaloc <integer>
Specify chroma sample location (0 to 5) [0]
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