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Kvazaar version 1.2.0
2017-11-17 13:23:33 +00:00
.TH KVAZAAR "1" "November 2017" "kvazaar v1.2.0" "User Commands"
Add manpage
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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.
Add adaptive QP for 360 degree video Adds option --erp-aqp for enabling adaptive QP for 360 degree video with equirectangular projection. When projected into a spherical surface, the middle part of the video covers relatively larger area than the top and bottom parts. Enabling --erp-aqp sets up a ROI delta QP array which uses higher QPs for the top and bottom of the video and lower QPs for the middle part.
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.TP
\fB\-\-(no\-)erp\-aqp
Use adaptive QP for 360 video with
equirectangular projection
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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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\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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2016-08-03 04:27:02 +00:00
.TP
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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
Add --lossless command line parameter.
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.TP
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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.
2016-08-03 05:18:56 +00:00
.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.
Update docs
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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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