forked from KolibriOS/kolibrios
877 lines
25 KiB
Plaintext
877 lines
25 KiB
Plaintext
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@c DO NOT EDIT THIS FILE!
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@c It was generated by print_options.
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@section Codec AVOptions
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@table @option
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@item -b[:stream_specifier] @var{integer} (@emph{output,audio,video})
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set bitrate (in bits/s)
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@item -ab[:stream_specifier] @var{integer} (@emph{output,audio})
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set bitrate (in bits/s)
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@item -bt[:stream_specifier] @var{integer} (@emph{output,video})
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Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality.
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@item -flags[:stream_specifier] @var{flags} (@emph{input/output,audio,video,subtitles})
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Possible values:
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@table @samp
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@item unaligned
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allow decoders to produce unaligned output
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@item mv4
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use four motion vectors per macroblock (MPEG-4)
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@item qpel
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use 1/4-pel motion compensation
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@item loop
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use loop filter
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@item qscale
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use fixed qscale
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@item gmc
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use gmc
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@item mv0
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always try a mb with mv=<0,0>
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@item input_preserved
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@item pass1
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use internal 2-pass ratecontrol in first pass mode
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@item pass2
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use internal 2-pass ratecontrol in second pass mode
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@item gray
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only decode/encode grayscale
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@item emu_edge
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do not draw edges
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@item psnr
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error[?] variables will be set during encoding
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@item truncated
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@item naq
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normalize adaptive quantization
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@item ildct
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use interlaced DCT
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@item low_delay
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force low delay
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@item global_header
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place global headers in extradata instead of every keyframe
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@item bitexact
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use only bitexact functions (except (I)DCT)
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@item aic
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H.263 advanced intra coding / MPEG-4 AC prediction
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@item ilme
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interlaced motion estimation
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@item cgop
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closed GOP
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@end table
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@item -me_method[:stream_specifier] @var{integer} (@emph{output,video})
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set motion estimation method
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Possible values:
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@table @samp
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@item zero
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zero motion estimation (fastest)
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@item full
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full motion estimation (slowest)
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@item epzs
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EPZS motion estimation (default)
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@item esa
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esa motion estimation (alias for full)
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@item tesa
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tesa motion estimation
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@item dia
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diamond motion estimation (alias for EPZS)
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@item log
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log motion estimation
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@item phods
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phods motion estimation
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@item x1
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X1 motion estimation
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@item hex
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hex motion estimation
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@item umh
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umh motion estimation
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@item iter
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iter motion estimation
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@end table
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@item -g[:stream_specifier] @var{integer} (@emph{output,video})
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set the group of picture (GOP) size
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@item -ar[:stream_specifier] @var{integer} (@emph{input/output,audio})
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set audio sampling rate (in Hz)
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@item -ac[:stream_specifier] @var{integer} (@emph{input/output,audio})
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set number of audio channels
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@item -cutoff[:stream_specifier] @var{integer} (@emph{output,audio})
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set cutoff bandwidth
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@item -frame_size[:stream_specifier] @var{integer} (@emph{output,audio})
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@item -qcomp[:stream_specifier] @var{float} (@emph{output,video})
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video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0
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@item -qblur[:stream_specifier] @var{float} (@emph{output,video})
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video quantizer scale blur (VBR)
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@item -qmin[:stream_specifier] @var{integer} (@emph{output,video})
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minimum video quantizer scale (VBR)
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@item -qmax[:stream_specifier] @var{integer} (@emph{output,video})
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maximum video quantizer scale (VBR)
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@item -qdiff[:stream_specifier] @var{integer} (@emph{output,video})
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maximum difference between the quantizer scales (VBR)
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@item -bf[:stream_specifier] @var{integer} (@emph{output,video})
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use 'frames' B frames
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@item -b_qfactor[:stream_specifier] @var{float} (@emph{output,video})
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QP factor between P- and B-frames
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@item -rc_strategy[:stream_specifier] @var{integer} (@emph{output,video})
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ratecontrol method
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@item -b_strategy[:stream_specifier] @var{integer} (@emph{output,video})
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strategy to choose between I/P/B-frames
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@item -ps[:stream_specifier] @var{integer} (@emph{output,video})
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RTP payload size in bytes
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@item -bug[:stream_specifier] @var{flags} (@emph{input,video})
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work around not autodetected encoder bugs
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Possible values:
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@table @samp
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@item autodetect
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@item old_msmpeg4
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some old lavc-generated MSMPEG4v3 files (no autodetection)
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@item xvid_ilace
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Xvid interlacing bug (autodetected if FOURCC == XVIX)
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@item ump4
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(autodetected if FOURCC == UMP4)
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@item no_padding
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padding bug (autodetected)
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@item amv
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@item ac_vlc
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illegal VLC bug (autodetected per FOURCC)
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@item qpel_chroma
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@item std_qpel
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old standard qpel (autodetected per FOURCC/version)
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@item qpel_chroma2
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@item direct_blocksize
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direct-qpel-blocksize bug (autodetected per FOURCC/version)
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@item edge
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edge padding bug (autodetected per FOURCC/version)
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@item hpel_chroma
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@item dc_clip
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@item ms
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work around various bugs in Microsoft's broken decoders
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@item trunc
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truncated frames
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@end table
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@item -strict[:stream_specifier] @var{integer} (@emph{input/output,audio,video})
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how strictly to follow the standards
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Possible values:
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@table @samp
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@item very
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strictly conform to a older more strict version of the spec or reference software
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@item strict
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strictly conform to all the things in the spec no matter what the consequences
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@item normal
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@item unofficial
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allow unofficial extensions
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@item experimental
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allow non-standardized experimental things
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@end table
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@item -b_qoffset[:stream_specifier] @var{float} (@emph{output,video})
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QP offset between P- and B-frames
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@item -err_detect[:stream_specifier] @var{flags} (@emph{input,audio,video})
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set error detection flags
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Possible values:
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@table @samp
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@item crccheck
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verify embedded CRCs
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@item bitstream
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detect bitstream specification deviations
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@item buffer
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detect improper bitstream length
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@item explode
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abort decoding on minor error detection
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@item careful
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consider things that violate the spec, are fast to check and have not been seen in the wild as errors
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@item compliant
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consider all spec non compliancies as errors
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@item aggressive
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consider things that a sane encoder should not do as an error
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@end table
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@item -mpeg_quant[:stream_specifier] @var{integer} (@emph{output,video})
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use MPEG quantizers instead of H.263
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@item -qsquish[:stream_specifier] @var{float} (@emph{output,video})
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how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)
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@item -rc_qmod_amp[:stream_specifier] @var{float} (@emph{output,video})
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experimental quantizer modulation
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@item -rc_qmod_freq[:stream_specifier] @var{integer} (@emph{output,video})
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experimental quantizer modulation
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@item -rc_eq[:stream_specifier] @var{string} (@emph{output,video})
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Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
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@item -maxrate[:stream_specifier] @var{integer} (@emph{output,audio,video})
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Set maximum bitrate tolerance (in bits/s). Requires bufsize to be set.
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@item -minrate[:stream_specifier] @var{integer} (@emph{output,audio,video})
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Set minimum bitrate tolerance (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise.
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@item -bufsize[:stream_specifier] @var{integer} (@emph{output,audio,video})
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set ratecontrol buffer size (in bits)
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@item -rc_buf_aggressivity[:stream_specifier] @var{float} (@emph{output,video})
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currently useless
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@item -i_qfactor[:stream_specifier] @var{float} (@emph{output,video})
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QP factor between P- and I-frames
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@item -i_qoffset[:stream_specifier] @var{float} (@emph{output,video})
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QP offset between P- and I-frames
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@item -rc_init_cplx[:stream_specifier] @var{float} (@emph{output,video})
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initial complexity for 1-pass encoding
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@item -dct[:stream_specifier] @var{integer} (@emph{output,video})
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DCT algorithm
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Possible values:
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@table @samp
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@item auto
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autoselect a good one (default)
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@item fastint
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fast integer
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@item int
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accurate integer
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@item mmx
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@item altivec
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@item faan
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floating point AAN DCT
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@end table
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@item -lumi_mask[:stream_specifier] @var{float} (@emph{output,video})
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compresses bright areas stronger than medium ones
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@item -tcplx_mask[:stream_specifier] @var{float} (@emph{output,video})
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temporal complexity masking
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@item -scplx_mask[:stream_specifier] @var{float} (@emph{output,video})
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spatial complexity masking
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@item -p_mask[:stream_specifier] @var{float} (@emph{output,video})
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inter masking
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@item -dark_mask[:stream_specifier] @var{float} (@emph{output,video})
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compresses dark areas stronger than medium ones
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@item -idct[:stream_specifier] @var{integer} (@emph{input/output,video})
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select IDCT implementation
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Possible values:
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@table @samp
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@item auto
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@item int
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@item simple
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@item simplemmx
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@item arm
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@item altivec
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@item sh4
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@item simplearm
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@item simplearmv5te
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@item simplearmv6
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@item simpleneon
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@item simplealpha
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@item ipp
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@item xvidmmx
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@item faani
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floating point AAN IDCT
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@end table
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@item -ec[:stream_specifier] @var{flags} (@emph{input,video})
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set error concealment strategy
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Possible values:
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@table @samp
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@item guess_mvs
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iterative motion vector (MV) search (slow)
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@item deblock
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use strong deblock filter for damaged MBs
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@end table
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@item -pred[:stream_specifier] @var{integer} (@emph{output,video})
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prediction method
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Possible values:
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@table @samp
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@item left
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@item plane
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@item median
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@end table
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@item -aspect[:stream_specifier] @var{rational number} (@emph{output,video})
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sample aspect ratio
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@item -debug[:stream_specifier] @var{flags} (@emph{input/output,audio,video,subtitles})
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print specific debug info
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Possible values:
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@table @samp
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@item pict
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picture info
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@item rc
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rate control
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@item bitstream
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@item mb_type
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macroblock (MB) type
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@item qp
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per-block quantization parameter (QP)
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@item mv
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motion vector
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@item dct_coeff
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@item skip
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@item startcode
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@item pts
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@item er
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error recognition
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@item mmco
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memory management control operations (H.264)
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@item bugs
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@item vis_qp
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visualize quantization parameter (QP), lower QP are tinted greener
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@item vis_mb_type
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visualize block types
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@item buffers
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picture buffer allocations
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@item thread_ops
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threading operations
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@end table
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@item -vismv[:stream_specifier] @var{integer} (@emph{input,video})
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visualize motion vectors (MVs)
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Possible values:
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@table @samp
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@item pf
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forward predicted MVs of P-frames
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@item bf
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forward predicted MVs of B-frames
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@item bb
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backward predicted MVs of B-frames
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@end table
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@item -cmp[:stream_specifier] @var{integer} (@emph{output,video})
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full-pel ME compare function
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Possible values:
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@table @samp
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@item sad
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sum of absolute differences, fast (default)
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@item sse
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sum of squared errors
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@item satd
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sum of absolute Hadamard transformed differences
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@item dct
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sum of absolute DCT transformed differences
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@item psnr
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sum of squared quantization errors (avoid, low quality)
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@item bit
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||
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|
number of bits needed for the block
|
||
|
|
@item rd
|
||
|
|
rate distortion optimal, slow
|
||
|
|
@item zero
|
||
|
|
0
|
||
|
|
@item vsad
|
||
|
|
sum of absolute vertical differences
|
||
|
|
@item vsse
|
||
|
|
sum of squared vertical differences
|
||
|
|
@item nsse
|
||
|
|
noise preserving sum of squared differences
|
||
|
|
@item dctmax
|
||
|
|
|
||
|
|
@item chroma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -subcmp[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
sub-pel ME compare function
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item sad
|
||
|
|
sum of absolute differences, fast (default)
|
||
|
|
@item sse
|
||
|
|
sum of squared errors
|
||
|
|
@item satd
|
||
|
|
sum of absolute Hadamard transformed differences
|
||
|
|
@item dct
|
||
|
|
sum of absolute DCT transformed differences
|
||
|
|
@item psnr
|
||
|
|
sum of squared quantization errors (avoid, low quality)
|
||
|
|
@item bit
|
||
|
|
number of bits needed for the block
|
||
|
|
@item rd
|
||
|
|
rate distortion optimal, slow
|
||
|
|
@item zero
|
||
|
|
0
|
||
|
|
@item vsad
|
||
|
|
sum of absolute vertical differences
|
||
|
|
@item vsse
|
||
|
|
sum of squared vertical differences
|
||
|
|
@item nsse
|
||
|
|
noise preserving sum of squared differences
|
||
|
|
@item dctmax
|
||
|
|
|
||
|
|
@item chroma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -mbcmp[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
macroblock compare function
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item sad
|
||
|
|
sum of absolute differences, fast (default)
|
||
|
|
@item sse
|
||
|
|
sum of squared errors
|
||
|
|
@item satd
|
||
|
|
sum of absolute Hadamard transformed differences
|
||
|
|
@item dct
|
||
|
|
sum of absolute DCT transformed differences
|
||
|
|
@item psnr
|
||
|
|
sum of squared quantization errors (avoid, low quality)
|
||
|
|
@item bit
|
||
|
|
number of bits needed for the block
|
||
|
|
@item rd
|
||
|
|
rate distortion optimal, slow
|
||
|
|
@item zero
|
||
|
|
0
|
||
|
|
@item vsad
|
||
|
|
sum of absolute vertical differences
|
||
|
|
@item vsse
|
||
|
|
sum of squared vertical differences
|
||
|
|
@item nsse
|
||
|
|
noise preserving sum of squared differences
|
||
|
|
@item dctmax
|
||
|
|
|
||
|
|
@item chroma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -ildctcmp[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
interlaced DCT compare function
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item sad
|
||
|
|
sum of absolute differences, fast (default)
|
||
|
|
@item sse
|
||
|
|
sum of squared errors
|
||
|
|
@item satd
|
||
|
|
sum of absolute Hadamard transformed differences
|
||
|
|
@item dct
|
||
|
|
sum of absolute DCT transformed differences
|
||
|
|
@item psnr
|
||
|
|
sum of squared quantization errors (avoid, low quality)
|
||
|
|
@item bit
|
||
|
|
number of bits needed for the block
|
||
|
|
@item rd
|
||
|
|
rate distortion optimal, slow
|
||
|
|
@item zero
|
||
|
|
0
|
||
|
|
@item vsad
|
||
|
|
sum of absolute vertical differences
|
||
|
|
@item vsse
|
||
|
|
sum of squared vertical differences
|
||
|
|
@item nsse
|
||
|
|
noise preserving sum of squared differences
|
||
|
|
@item dctmax
|
||
|
|
|
||
|
|
@item chroma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -dia_size[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
diamond type & size for motion estimation
|
||
|
|
@item -last_pred[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
amount of motion predictors from the previous frame
|
||
|
|
@item -preme[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
pre motion estimation
|
||
|
|
@item -precmp[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
pre motion estimation compare function
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item sad
|
||
|
|
sum of absolute differences, fast (default)
|
||
|
|
@item sse
|
||
|
|
sum of squared errors
|
||
|
|
@item satd
|
||
|
|
sum of absolute Hadamard transformed differences
|
||
|
|
@item dct
|
||
|
|
sum of absolute DCT transformed differences
|
||
|
|
@item psnr
|
||
|
|
sum of squared quantization errors (avoid, low quality)
|
||
|
|
@item bit
|
||
|
|
number of bits needed for the block
|
||
|
|
@item rd
|
||
|
|
rate distortion optimal, slow
|
||
|
|
@item zero
|
||
|
|
0
|
||
|
|
@item vsad
|
||
|
|
sum of absolute vertical differences
|
||
|
|
@item vsse
|
||
|
|
sum of squared vertical differences
|
||
|
|
@item nsse
|
||
|
|
noise preserving sum of squared differences
|
||
|
|
@item dctmax
|
||
|
|
|
||
|
|
@item chroma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -pre_dia_size[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
diamond type & size for motion estimation pre-pass
|
||
|
|
@item -subq[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
sub-pel motion estimation quality
|
||
|
|
@item -me_range[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
limit motion vectors range (1023 for DivX player)
|
||
|
|
@item -ibias[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
intra quant bias
|
||
|
|
@item -pbias[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
inter quant bias
|
||
|
|
@item -global_quality[:stream_specifier] @var{integer} (@emph{output,audio,video})
|
||
|
|
@item -coder[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item vlc
|
||
|
|
variable length coder / Huffman coder
|
||
|
|
@item ac
|
||
|
|
arithmetic coder
|
||
|
|
@item raw
|
||
|
|
raw (no encoding)
|
||
|
|
@item rle
|
||
|
|
run-length coder
|
||
|
|
@item deflate
|
||
|
|
deflate-based coder
|
||
|
|
@end table
|
||
|
|
@item -context[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
context model
|
||
|
|
@item -mbd[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
macroblock decision algorithm (high quality mode)
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item simple
|
||
|
|
use mbcmp (default)
|
||
|
|
@item bits
|
||
|
|
use fewest bits
|
||
|
|
@item rd
|
||
|
|
use best rate distortion
|
||
|
|
@end table
|
||
|
|
@item -sc_threshold[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
scene change threshold
|
||
|
|
@item -lmin[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
minimum Lagrange factor (VBR)
|
||
|
|
@item -lmax[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
maximum Lagrange factor (VBR)
|
||
|
|
@item -nr[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
noise reduction
|
||
|
|
@item -rc_init_occupancy[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
number of bits which should be loaded into the rc buffer before decoding starts
|
||
|
|
@item -flags2[:stream_specifier] @var{flags} (@emph{input/output,audio,video})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item fast
|
||
|
|
allow non-spec-compliant speedup tricks
|
||
|
|
@item noout
|
||
|
|
skip bitstream encoding
|
||
|
|
@item ignorecrop
|
||
|
|
ignore cropping information from sps
|
||
|
|
@item local_header
|
||
|
|
place global headers at every keyframe instead of in extradata
|
||
|
|
@item chunks
|
||
|
|
Frame data might be split into multiple chunks
|
||
|
|
@item showall
|
||
|
|
Show all frames before the first keyframe
|
||
|
|
@end table
|
||
|
|
@item -error[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
@item -threads[:stream_specifier] @var{integer} (@emph{input/output,audio,video})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item auto
|
||
|
|
autodetect a suitable number of threads to use
|
||
|
|
@end table
|
||
|
|
@item -me_threshold[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
motion estimation threshold
|
||
|
|
@item -mb_threshold[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
macroblock threshold
|
||
|
|
@item -dc[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
intra_dc_precision
|
||
|
|
@item -nssew[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
nsse weight
|
||
|
|
@item -skip_top[:stream_specifier] @var{integer} (@emph{input,video})
|
||
|
|
number of macroblock rows at the top which are skipped
|
||
|
|
@item -skip_bottom[:stream_specifier] @var{integer} (@emph{input,video})
|
||
|
|
number of macroblock rows at the bottom which are skipped
|
||
|
|
@item -profile[:stream_specifier] @var{integer} (@emph{output,audio,video})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item unknown
|
||
|
|
|
||
|
|
@item aac_main
|
||
|
|
|
||
|
|
@item aac_low
|
||
|
|
|
||
|
|
@item aac_ssr
|
||
|
|
|
||
|
|
@item aac_ltp
|
||
|
|
|
||
|
|
@item aac_he
|
||
|
|
|
||
|
|
@item aac_he_v2
|
||
|
|
|
||
|
|
@item aac_ld
|
||
|
|
|
||
|
|
@item aac_eld
|
||
|
|
|
||
|
|
@item mpeg2_aac_low
|
||
|
|
|
||
|
|
@item mpeg2_aac_he
|
||
|
|
|
||
|
|
@item dts
|
||
|
|
|
||
|
|
@item dts_es
|
||
|
|
|
||
|
|
@item dts_96_24
|
||
|
|
|
||
|
|
@item dts_hd_hra
|
||
|
|
|
||
|
|
@item dts_hd_ma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -level[:stream_specifier] @var{integer} (@emph{output,audio,video})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item unknown
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -lowres[:stream_specifier] @var{integer} (@emph{input,audio,video})
|
||
|
|
decode at 1= 1/2, 2=1/4, 3=1/8 resolutions
|
||
|
|
@item -skip_threshold[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
frame skip threshold
|
||
|
|
@item -skip_factor[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
frame skip factor
|
||
|
|
@item -skip_exp[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
frame skip exponent
|
||
|
|
@item -skipcmp[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
frame skip compare function
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item sad
|
||
|
|
sum of absolute differences, fast (default)
|
||
|
|
@item sse
|
||
|
|
sum of squared errors
|
||
|
|
@item satd
|
||
|
|
sum of absolute Hadamard transformed differences
|
||
|
|
@item dct
|
||
|
|
sum of absolute DCT transformed differences
|
||
|
|
@item psnr
|
||
|
|
sum of squared quantization errors (avoid, low quality)
|
||
|
|
@item bit
|
||
|
|
number of bits needed for the block
|
||
|
|
@item rd
|
||
|
|
rate distortion optimal, slow
|
||
|
|
@item zero
|
||
|
|
0
|
||
|
|
@item vsad
|
||
|
|
sum of absolute vertical differences
|
||
|
|
@item vsse
|
||
|
|
sum of squared vertical differences
|
||
|
|
@item nsse
|
||
|
|
noise preserving sum of squared differences
|
||
|
|
@item dctmax
|
||
|
|
|
||
|
|
@item chroma
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -border_mask[:stream_specifier] @var{float} (@emph{output,video})
|
||
|
|
increase the quantizer for macroblocks close to borders
|
||
|
|
@item -mblmin[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
minimum macroblock Lagrange factor (VBR)
|
||
|
|
@item -mblmax[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
maximum macroblock Lagrange factor (VBR)
|
||
|
|
@item -mepc[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
motion estimation bitrate penalty compensation (1.0 = 256)
|
||
|
|
@item -skip_loop_filter[:stream_specifier] @var{integer} (@emph{input,video})
|
||
|
|
skip loop filtering process for the selected frames
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item none
|
||
|
|
discard no frame
|
||
|
|
@item default
|
||
|
|
discard useless frames
|
||
|
|
@item noref
|
||
|
|
discard all non-reference frames
|
||
|
|
@item bidir
|
||
|
|
discard all bidirectional frames
|
||
|
|
@item nokey
|
||
|
|
discard all frames except keyframes
|
||
|
|
@item all
|
||
|
|
discard all frames
|
||
|
|
@end table
|
||
|
|
@item -skip_idct[:stream_specifier] @var{integer} (@emph{input,video})
|
||
|
|
skip IDCT/dequantization for the selected frames
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item none
|
||
|
|
discard no frame
|
||
|
|
@item default
|
||
|
|
discard useless frames
|
||
|
|
@item noref
|
||
|
|
discard all non-reference frames
|
||
|
|
@item bidir
|
||
|
|
discard all bidirectional frames
|
||
|
|
@item nokey
|
||
|
|
discard all frames except keyframes
|
||
|
|
@item all
|
||
|
|
discard all frames
|
||
|
|
@end table
|
||
|
|
@item -skip_frame[:stream_specifier] @var{integer} (@emph{input,video})
|
||
|
|
skip decoding for the selected frames
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item none
|
||
|
|
discard no frame
|
||
|
|
@item default
|
||
|
|
discard useless frames
|
||
|
|
@item noref
|
||
|
|
discard all non-reference frames
|
||
|
|
@item bidir
|
||
|
|
discard all bidirectional frames
|
||
|
|
@item nokey
|
||
|
|
discard all frames except keyframes
|
||
|
|
@item all
|
||
|
|
discard all frames
|
||
|
|
@end table
|
||
|
|
@item -bidir_refine[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
refine the two motion vectors used in bidirectional macroblocks
|
||
|
|
@item -brd_scale[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
downscale frames for dynamic B-frame decision
|
||
|
|
@item -keyint_min[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
minimum interval between IDR-frames
|
||
|
|
@item -refs[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
reference frames to consider for motion compensation
|
||
|
|
@item -chromaoffset[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
chroma QP offset from luma
|
||
|
|
@item -trellis[:stream_specifier] @var{integer} (@emph{output,audio,video})
|
||
|
|
rate-distortion optimal quantization
|
||
|
|
@item -sc_factor[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
multiplied by qscale for each frame and added to scene_change_score
|
||
|
|
@item -mv0_threshold[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
@item -b_sensitivity[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
adjust sensitivity of b_frame_strategy 1
|
||
|
|
@item -compression_level[:stream_specifier] @var{integer} (@emph{output,audio,video})
|
||
|
|
@item -min_prediction_order[:stream_specifier] @var{integer} (@emph{output,audio})
|
||
|
|
@item -max_prediction_order[:stream_specifier] @var{integer} (@emph{output,audio})
|
||
|
|
@item -timecode_frame_start[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
GOP timecode frame start number, in non-drop-frame format
|
||
|
|
@item -request_channels[:stream_specifier] @var{integer} (@emph{input,audio})
|
||
|
|
set desired number of audio channels
|
||
|
|
@item -channel_layout[:stream_specifier] @var{integer} (@emph{input/output,audio})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@end table
|
||
|
|
@item -request_channel_layout[:stream_specifier] @var{integer} (@emph{input,audio})
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@end table
|
||
|
|
@item -rc_max_vbv_use[:stream_specifier] @var{float} (@emph{output,video})
|
||
|
|
@item -rc_min_vbv_use[:stream_specifier] @var{float} (@emph{output,video})
|
||
|
|
@item -ticks_per_frame[:stream_specifier] @var{integer} (@emph{input/output,audio,video})
|
||
|
|
@item -color_primaries[:stream_specifier] @var{integer} (@emph{input/output,video})
|
||
|
|
@item -color_trc[:stream_specifier] @var{integer} (@emph{input/output,video})
|
||
|
|
@item -colorspace[:stream_specifier] @var{integer} (@emph{input/output,video})
|
||
|
|
@item -color_range[:stream_specifier] @var{integer} (@emph{input/output,video})
|
||
|
|
@item -chroma_sample_location[:stream_specifier] @var{integer} (@emph{input/output,video})
|
||
|
|
@item -slices[:stream_specifier] @var{integer} (@emph{output,video})
|
||
|
|
number of slices, used in parallelized encoding
|
||
|
|
@item -thread_type[:stream_specifier] @var{flags} (@emph{input/output,audio,video})
|
||
|
|
select multithreading type
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item slice
|
||
|
|
|
||
|
|
@item frame
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -audio_service_type[:stream_specifier] @var{integer} (@emph{output,audio})
|
||
|
|
audio service type
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item ma
|
||
|
|
Main Audio Service
|
||
|
|
@item ef
|
||
|
|
Effects
|
||
|
|
@item vi
|
||
|
|
Visually Impaired
|
||
|
|
@item hi
|
||
|
|
Hearing Impaired
|
||
|
|
@item di
|
||
|
|
Dialogue
|
||
|
|
@item co
|
||
|
|
Commentary
|
||
|
|
@item em
|
||
|
|
Emergency
|
||
|
|
@item vo
|
||
|
|
Voice Over
|
||
|
|
@item ka
|
||
|
|
Karaoke
|
||
|
|
@end table
|
||
|
|
@item -request_sample_fmt[:stream_specifier] @var{value} (@emph{input,audio})
|
||
|
|
sample format audio decoders should prefer
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@end table
|
||
|
|
@item -sub_charenc[:stream_specifier] @var{string} (@emph{input,subtitles})
|
||
|
|
set input text subtitles character encoding
|
||
|
|
@item -sub_charenc_mode[:stream_specifier] @var{flags} (@emph{input,subtitles})
|
||
|
|
set input text subtitles character encoding mode
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item do_nothing
|
||
|
|
|
||
|
|
@item auto
|
||
|
|
|
||
|
|
@item pre_decoder
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@item -refcounted_frames[:stream_specifier] @var{integer} (@emph{input,audio,video})
|
||
|
|
@item -skip_alpha[:stream_specifier] @var{integer} (@emph{input,video})
|
||
|
|
Skip processing alpha
|
||
|
|
@item -field_order[:stream_specifier] @var{integer} (@emph{input/output,video})
|
||
|
|
Field order
|
||
|
|
|
||
|
|
Possible values:
|
||
|
|
@table @samp
|
||
|
|
@item progressive
|
||
|
|
|
||
|
|
@item tt
|
||
|
|
|
||
|
|
@item bb
|
||
|
|
|
||
|
|
@item tb
|
||
|
|
|
||
|
|
@item bt
|
||
|
|
|
||
|
|
@end table
|
||
|
|
@end table
|