ffmpeg full help
2024-10-21 05:45:15
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}... Getting help:
-h -- print basic options
-h long -- print more options
-h full -- print all options (including all format and codec specific options, very long)
See man ffmpeg for detailed description of the options. Print help / information / capabilities:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-buildconf show build configuration
-formats show available formats
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-colors show available color names Global options (affect whole program instead of just one file:
-loglevel loglevel set logging level
-v loglevel set logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-y overwrite output files
-n never overwrite output files
-stats print progress report during encoding
-max_error_rate ratio of errors (0.0: no errors, 1.0: % error maximum error rate
-bits_per_raw_sample number set the number of bits per raw sample
-vol volume change audio volume (=normal) Advanced global options:
-cpuflags flags force specific cpu flags
-hide_banner hide_banner do not show program banner
-benchmark add timings for benchmarking
-benchmark_all add timings for each task
-progress url write program-readable progress information
-stdin enable or disable interaction on standard input
-timelimit limit set max runtime in seconds
-dump dump each input packet
-hex when dumping packets, also dump the payload
-vsync video sync method
-async audio sync method
-adrift_threshold threshold audio drift threshold
-copyts copy timestamps
-copytb mode copy input stream time base when stream copying
-dts_delta_threshold threshold timestamp discontinuity delta threshold
-dts_error_threshold threshold timestamp error delta threshold
-xerror error exit on error
-filter_complex graph_description create a complex filtergraph
-lavfi graph_description create a complex filtergraph
-filter_complex_script filename read complex filtergraph description from a file
-debug_ts print timestamp debugging info
-intra deprecated use -g
-vdt n discard threshold
-sameq Removed
-same_quant Removed
-deinterlace this option is deprecated, use the yadif filter instead
-psnr calculate PSNR of compressed frames
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-dc precision intra_dc_precision
-qphist show QP histogram
-vc channel deprecated, use -channel
-tvstd standard deprecated, use -standard
-isync this option is deprecated and does nothing
-override_ffserver override the options from ffserver Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...)
-apad audio pad
-frames number set the number of frames to record
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes Advanced per-file options:
-map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_s set input stream mapping
-map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another
-map_chapters input_file_index set chapters mapping
-accurate_seek enable/disable accurate seeking with -ss
-itsoffset time_off set the input ts offset
-itsscale scale set the input ts scale
-dframes number set the number of data frames to record
-re read input at native frame rate
-shortest finish encoding within shortest input
-copyinkf copy initial non-keyframes
-copypriorss copy or discard frames before start time
-tag fourcc/tag force codec tag/fourcc
-q q use fixed quality scale (VBR)
-qscale q use fixed quality scale (VBR)
-profile profile set profile
-attach filename add an attachment to the output file
-dump_attachment filename extract an attachment into a file
-muxdelay seconds set the maximum demux-decode delay
-muxpreload seconds set the initial demux-decode delay
-bsf bitstream_filters A comma-separated list of bitstream filters
-fpre filename set options from indicated preset file
-dcodec codec force data codec ('copy' to copy stream) Video options:
-vframes number set the number of video frames to record
-r rate set frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (:, : or 1.3333, 1.7777)
-bits_per_raw_sample number set the number of bits per raw sample
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number ( to )
-vf filter_graph set video filters
-b bitrate video bitrate (please use -b:v)
-dn disable data Advanced Video options:
-pix_fmt format set pixel format
-intra deprecated use -g
-vdt n discard threshold
-rc_override override rate control override for specific intervals
-sameq Removed
-same_quant Removed
-passlogfile prefix select two pass log file name prefix
-deinterlace this option is deprecated, use the yadif filter instead
-psnr calculate PSNR of compressed frames
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-intra_matrix matrix specify intra matrix coeffs
-inter_matrix matrix specify inter matrix coeffs
-chroma_intra_matrix matrix specify intra matrix coeffs
-top top=/bottom=/auto=- field first
-dc precision intra_dc_precision
-vtag fourcc/tag force video tag/fourcc
-qphist show QP histogram
-force_fps force the selected framerate, disable the best supported framerate selection
-streamid streamIndex:value set the value of an outfile streamid
-force_key_frames timestamps force key frames at specified timestamps
-hwaccel hwaccel name use HW accelerated decoding
-hwaccel_device select a device for HW accelerationdevicename
-vc channel deprecated, use -channel
-tvstd standard deprecated, use -standard
-vbsf video bitstream_filters deprecated
-vpre preset set the video options to the indicated preset Audio options:
-aframes number set the number of audio frames to record
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-vol volume change audio volume (=normal)
-af filter_graph set audio filters Advanced Audio options:
-atag fourcc/tag force audio tag/fourcc
-sample_fmt format set sample format
-channel_layout layout set channel layout
-guess_layout_max set the maximum number of channels to try to guess the channel layout
-absf audio bitstream_filters deprecated
-apre preset set the audio options to the indicated preset Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-canvas_size size set canvas size (WxH or abbreviation)
-spre preset set the subtitle options to the indicated preset AVCodecContext AVOptions:
-b <int> E..VA... set bitrate (in bits/s) (from to INT_MAX) (default )
-ab <int> E...A... set bitrate (in bits/s) (from to INT_MAX) (default )
-bt <int> E..V.... Set video bitrate tolerance (in bits/s). In -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. (from to INT_MAX) (default 4e+)
-flags <flags> ED.VAS.. (default )
unaligned .D.V.... allow decoders to produce unaligned output
mv4 E..V.... use four motion vectors per macroblock (MPEG-)
qpel E..V.... use /-pel motion compensation
loop E..V.... use loop filter
gmc E..V.... use gmc
mv0 E..V.... always try a mb with mv=<,>
gray ED.V.... only decode/encode grayscale
psnr E..V.... error[?] variables will be set during encoding
naq E..V.... normalize adaptive quantization
ildct E..V.... use interlaced DCT
low_delay ED.V.... force low delay
global_header E..VA... place global headers in extradata instead of every keyframe
bitexact ED.VAS.. use only bitexact functions (except (I)DCT)
aic E..V.... H. advanced intra coding / MPEG- AC prediction
ilme E..V.... interlaced motion estimation
cgop E..V.... closed GOP
output_corrupt .D.V.... Output even potentially corrupted frames
-me_method <int> E..V.... set motion estimation method (from INT_MIN to INT_MAX) (default )
zero E..V.... zero motion estimation (fastest)
full E..V.... full motion estimation (slowest)
epzs E..V.... EPZS motion estimation (default)
esa E..V.... esa motion estimation (alias for full)
tesa E..V.... tesa motion estimation
dia E..V.... diamond motion estimation (alias for EPZS)
log E..V.... log motion estimation
phods E..V.... phods motion estimation
x1 E..V.... X1 motion estimation
hex E..V.... hex motion estimation
umh E..V.... umh motion estimation
iter E..V.... iter motion estimation
-g <int> E..V.... set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default )
-ar <int> ED..A... set audio sampling rate (in Hz) (from INT_MIN to INT_MAX) (default )
-ac <int> ED..A... set number of audio channels (from INT_MIN to INT_MAX) (default )
-cutoff <int> E...A... set cutoff bandwidth (from INT_MIN to INT_MAX) (default )
-frame_size <int> E...A... (from INT_MIN to INT_MAX) (default )
-qcomp <float> E..V.... video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (from -FLT_MAX to FLT_MAX) (default 0.5)
-qblur <float> E..V.... video quantizer scale blur (VBR) (from - to FLT_MAX) (default 0.5)
-qmin <int> E..V.... minimum video quantizer scale (VBR) (from - to ) (default )
-qmax <int> E..V.... maximum video quantizer scale (VBR) (from - to ) (default )
-qdiff <int> E..V.... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default )
-bf <int> E..V.... set maximum number of B frames between non-B-frames (from - to INT_MAX) (default )
-b_qfactor <float> E..V.... QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
-rc_strategy <int> E..V.... ratecontrol method (from INT_MIN to INT_MAX) (default )
-b_strategy <int> E..V.... strategy to choose between I/P/B-frames (from INT_MIN to INT_MAX) (default )
-ps <int> E..V.... RTP payload size in bytes (from INT_MIN to INT_MAX) (default )
-bug <flags> .D.V.... work around not autodetected encoder bugs (default )
autodetect .D.V....
old_msmpeg4 .D.V.... some old lavc-generated MSMPEG4v3 files (no autodetection)
xvid_ilace .D.V.... Xvid interlacing bug (autodetected if FOURCC == XVIX)
ump4 .D.V.... (autodetected if FOURCC == UMP4)
no_padding .D.V.... padding bug (autodetected)
amv .D.V....
ac_vlc .D.V.... illegal VLC bug (autodetected per FOURCC)
qpel_chroma .D.V....
std_qpel .D.V.... old standard qpel (autodetected per FOURCC/version)
qpel_chroma2 .D.V....
direct_blocksize .D.V.... direct-qpel-blocksize bug (autodetected per FOURCC/version)
edge .D.V.... edge padding bug (autodetected per FOURCC/version)
hpel_chroma .D.V....
dc_clip .D.V....
ms .D.V.... work around various bugs in Microsoft's broken decoders
trunc .D.V.... truncated frames
-strict <int> ED.VA... how strictly to follow the standards (from INT_MIN to INT_MAX) (default )
very ED.V.... strictly conform to a older more strict version of the spec or reference software
strict ED.V.... strictly conform to all the things in the spec no matter what the consequences
normal ED.V....
unofficial ED.V.... allow unofficial extensions
experimental ED.V.... allow non-standardized experimental things
-b_qoffset <float> E..V.... QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
-err_detect <flags> .D.VA... set error detection flags (default )
crccheck .D.VA... verify embedded CRCs
bitstream .D.VA... detect bitstream specification deviations
buffer .D.VA... detect improper bitstream length
explode .D.VA... abort decoding on minor error detection
careful .D.VA... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D.VA... consider all spec non compliancies as errors
aggressive .D.VA... consider things that a sane encoder should not do as an error
-mpeg_quant <int> E..V.... use MPEG quantizers instead of H. (from INT_MIN to INT_MAX) (default )
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax ( = clip, = use differentiable function) (from to ) (default )
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default )
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default )
-rc_eq <string> E..V.... 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.
-maxrate <int> E..VA... Set maximum bitrate tolerance (in bits/s). Requires bufsize to be set. (from INT_MIN to INT_MAX) (default )
-minrate <int> E..VA... Set minimum bitrate tolerance (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default )
-bufsize <int> E..VA... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default )
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default )
-i_qfactor <float> E..V.... QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8)
-i_qoffset <float> E..V.... QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default )
-rc_init_cplx <float> E..V.... initial complexity for -pass encoding (from -FLT_MAX to FLT_MAX) (default )
-dct <int> E..V.... DCT algorithm (from to INT_MAX) (default )
auto E..V.... autoselect a good one (default)
fastint E..V.... fast integer
int E..V.... accurate integer
mmx E..V....
altivec E..V....
faan E..V.... floating point AAN DCT
-lumi_mask <float> E..V.... compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default )
-tcplx_mask <float> E..V.... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default )
-scplx_mask <float> E..V.... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default )
-p_mask <float> E..V.... inter masking (from -FLT_MAX to FLT_MAX) (default )
-dark_mask <float> E..V.... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default )
-idct <int> ED.V.... select IDCT implementation (from to INT_MAX) (default )
auto ED.V....
int ED.V....
simple ED.V....
simplemmx ED.V....
arm ED.V....
altivec ED.V....
sh4 ED.V....
simplearm ED.V....
simplearmv5te ED.V....
simplearmv6 ED.V....
simpleneon ED.V....
simplealpha ED.V....
ipp ED.V....
xvidmmx ED.V....
faani ED.V.... floating point AAN IDCT
-ec <flags> .D.V.... set error concealment strategy (default )
guess_mvs .D.V.... iterative motion vector (MV) search (slow)
deblock .D.V.... use strong deblock filter for damaged MBs
-pred <int> E..V.... prediction method (from INT_MIN to INT_MAX) (default )
left E..V....
plane E..V....
median E..V....
-aspect <rational> E..V.... sample aspect ratio (from to ) (default /)
-debug <flags> ED.VAS.. print specific debug info (default )
pict .D.V.... picture info
rc E..V.... rate control
bitstream .D.V....
mb_type .D.V.... macroblock (MB) type
qp .D.V.... per-block quantization parameter (QP)
mv .D.V.... motion vector
dct_coeff .D.V....
skip .D.V....
startcode .D.V....
pts .D.V....
er .D.V.... error recognition
mmco .D.V.... memory management control operations (H.)
bugs .D.V....
vis_qp .D.V.... visualize quantization parameter (QP), lower QP are tinted greener
vis_mb_type .D.V.... visualize block types
buffers .D.V.... picture buffer allocations
thread_ops .D.VA... threading operations
-vismv <int> .D.V.... visualize motion vectors (MVs) (from to INT_MAX) (default )
pf .D.V.... forward predicted MVs of P-frames
bf .D.V.... forward predicted MVs of B-frames
bb .D.V.... backward predicted MVs of B-frames
-cmp <int> E..V.... full-pel ME compare function (from INT_MIN to INT_MAX) (default )
sad E..V.... sum of absolute differences, fast (default)
sse E..V.... sum of squared errors
satd E..V.... sum of absolute Hadamard transformed differences
dct E..V.... sum of absolute DCT transformed differences
psnr E..V.... sum of squared quantization errors (avoid, low quality)
bit E..V.... number of bits needed for the block
rd E..V.... rate distortion optimal, slow
zero E..V....
vsad E..V.... sum of absolute vertical differences
vsse E..V.... sum of squared vertical differences
nsse E..V.... noise preserving sum of squared differences
w53 E..V.... / wavelet, only used in snow
w97 E..V.... / wavelet, only used in snow
dctmax E..V....
chroma E..V....
-subcmp <int> E..V.... sub-pel ME compare function (from INT_MIN to INT_MAX) (default )
sad E..V.... sum of absolute differences, fast (default)
sse E..V.... sum of squared errors
satd E..V.... sum of absolute Hadamard transformed differences
dct E..V.... sum of absolute DCT transformed differences
psnr E..V.... sum of squared quantization errors (avoid, low quality)
bit E..V.... number of bits needed for the block
rd E..V.... rate distortion optimal, slow
zero E..V....
vsad E..V.... sum of absolute vertical differences
vsse E..V.... sum of squared vertical differences
nsse E..V.... noise preserving sum of squared differences
w53 E..V.... / wavelet, only used in snow
w97 E..V.... / wavelet, only used in snow
dctmax E..V....
chroma E..V....
-mbcmp <int> E..V.... macroblock compare function (from INT_MIN to INT_MAX) (default )
sad E..V.... sum of absolute differences, fast (default)
sse E..V.... sum of squared errors
satd E..V.... sum of absolute Hadamard transformed differences
dct E..V.... sum of absolute DCT transformed differences
psnr E..V.... sum of squared quantization errors (avoid, low quality)
bit E..V.... number of bits needed for the block
rd E..V.... rate distortion optimal, slow
zero E..V....
vsad E..V.... sum of absolute vertical differences
vsse E..V.... sum of squared vertical differences
nsse E..V.... noise preserving sum of squared differences
w53 E..V.... / wavelet, only used in snow
w97 E..V.... / wavelet, only used in snow
dctmax E..V....
chroma E..V....
-ildctcmp <int> E..V.... interlaced DCT compare function (from INT_MIN to INT_MAX) (default )
sad E..V.... sum of absolute differences, fast (default)
sse E..V.... sum of squared errors
satd E..V.... sum of absolute Hadamard transformed differences
dct E..V.... sum of absolute DCT transformed differences
psnr E..V.... sum of squared quantization errors (avoid, low quality)
bit E..V.... number of bits needed for the block
rd E..V.... rate distortion optimal, slow
zero E..V....
vsad E..V.... sum of absolute vertical differences
vsse E..V.... sum of squared vertical differences
nsse E..V.... noise preserving sum of squared differences
w53 E..V.... / wavelet, only used in snow
w97 E..V.... / wavelet, only used in snow
dctmax E..V....
chroma E..V....
-dia_size <int> E..V.... diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default )
-last_pred <int> E..V.... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default )
-preme <int> E..V.... pre motion estimation (from INT_MIN to INT_MAX) (default )
-precmp <int> E..V.... pre motion estimation compare function (from INT_MIN to INT_MAX) (default )
sad E..V.... sum of absolute differences, fast (default)
sse E..V.... sum of squared errors
satd E..V.... sum of absolute Hadamard transformed differences
dct E..V.... sum of absolute DCT transformed differences
psnr E..V.... sum of squared quantization errors (avoid, low quality)
bit E..V.... number of bits needed for the block
rd E..V.... rate distortion optimal, slow
zero E..V....
vsad E..V.... sum of absolute vertical differences
vsse E..V.... sum of squared vertical differences
nsse E..V.... noise preserving sum of squared differences
w53 E..V.... / wavelet, only used in snow
w97 E..V.... / wavelet, only used in snow
dctmax E..V....
chroma E..V....
-pre_dia_size <int> E..V.... diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default )
-subq <int> E..V.... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default )
-me_range <int> E..V.... limit motion vectors range ( for DivX player) (from INT_MIN to INT_MAX) (default )
-ibias <int> E..V.... intra quant bias (from INT_MIN to INT_MAX) (default )
-pbias <int> E..V.... inter quant bias (from INT_MIN to INT_MAX) (default )
-global_quality <int> E..VA... (from INT_MIN to INT_MAX) (default )
-coder <int> E..V.... (from INT_MIN to INT_MAX) (default )
vlc E..V.... variable length coder / Huffman coder
ac E..V.... arithmetic coder
raw E..V.... raw (no encoding)
rle E..V.... run-length coder
deflate E..V.... deflate-based coder
-context <int> E..V.... context model (from INT_MIN to INT_MAX) (default )
-mbd <int> E..V.... macroblock decision algorithm (high quality mode) (from to ) (default )
simple E..V.... use mbcmp (default)
bits E..V.... use fewest bits
rd E..V.... use best rate distortion
-sc_threshold <int> E..V.... scene change threshold (from INT_MIN to INT_MAX) (default )
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from to INT_MAX) (default )
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from to INT_MAX) (default )
-nr <int> E..V.... noise reduction (from INT_MIN to INT_MAX) (default )
-rc_init_occupancy <int> E..V.... number of bits which should be loaded into the rc buffer before decoding starts (from INT_MIN to INT_MAX) (default )
-flags2 <flags> ED.VA... (default )
fast E..V.... allow non-spec-compliant speedup tricks
noout E..V.... skip bitstream encoding
ignorecrop .D.V.... ignore cropping information from sps
local_header E..V.... place global headers at every keyframe instead of in extradata
chunks .D.V.... Frame data might be split into multiple chunks
showall .D.V.... Show all frames before the first keyframe
-error <int> E..V.... (from INT_MIN to INT_MAX) (default )
-threads <int> ED.VA... (from to INT_MAX) (default )
auto ED.V.... autodetect a suitable number of threads to use
-me_threshold <int> E..V.... motion estimation threshold (from INT_MIN to INT_MAX) (default )
-mb_threshold <int> E..V.... macroblock threshold (from INT_MIN to INT_MAX) (default )
-dc <int> E..V.... intra_dc_precision (from INT_MIN to INT_MAX) (default )
-nssew <int> E..V.... nsse weight (from INT_MIN to INT_MAX) (default )
-skip_top <int> .D.V.... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default )
-skip_bottom <int> .D.V.... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default )
-profile <int> E..VA... (from INT_MIN to INT_MAX) (default -)
unknown E..VA...
aac_main E...A...
aac_low E...A...
aac_ssr E...A...
aac_ltp E...A...
aac_he E...A...
aac_he_v2 E...A...
aac_ld E...A...
aac_eld E...A...
mpeg2_aac_low E...A...
mpeg2_aac_he E...A...
dts E...A...
dts_es E...A...
dts_96_24 E...A...
dts_hd_hra E...A...
dts_hd_ma E...A...
-level <int> E..VA... (from INT_MIN to INT_MAX) (default -)
unknown E..VA...
-lowres <int> .D.VA... decode at = /, =/, =/ resolutions (from to INT_MAX) (default )
-skip_threshold <int> E..V.... frame skip threshold (from INT_MIN to INT_MAX) (default )
-skip_factor <int> E..V.... frame skip factor (from INT_MIN to INT_MAX) (default )
-skip_exp <int> E..V.... frame skip exponent (from INT_MIN to INT_MAX) (default )
-skipcmp <int> E..V.... frame skip compare function (from INT_MIN to INT_MAX) (default )
sad E..V.... sum of absolute differences, fast (default)
sse E..V.... sum of squared errors
satd E..V.... sum of absolute Hadamard transformed differences
dct E..V.... sum of absolute DCT transformed differences
psnr E..V.... sum of squared quantization errors (avoid, low quality)
bit E..V.... number of bits needed for the block
rd E..V.... rate distortion optimal, slow
zero E..V....
vsad E..V.... sum of absolute vertical differences
vsse E..V.... sum of squared vertical differences
nsse E..V.... noise preserving sum of squared differences
w53 E..V.... / wavelet, only used in snow
w97 E..V.... / wavelet, only used in snow
dctmax E..V....
chroma E..V....
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default )
-mblmin <int> E..V.... minimum macroblock Lagrange factor (VBR) (from to ) (default )
-mblmax <int> E..V.... maximum macroblock Lagrange factor (VBR) (from to ) (default )
-mepc <int> E..V.... motion estimation bitrate penalty compensation (1.0 = ) (from INT_MIN to INT_MAX) (default )
-skip_loop_filter <int> .D.V.... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default )
none .D.V.... discard no frame
default .D.V.... discard useless frames
noref .D.V.... discard all non-reference frames
bidir .D.V.... discard all bidirectional frames
nokey .D.V.... discard all frames except keyframes
all .D.V.... discard all frames
-skip_idct <int> .D.V.... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default )
none .D.V.... discard no frame
default .D.V.... discard useless frames
noref .D.V.... discard all non-reference frames
bidir .D.V.... discard all bidirectional frames
nokey .D.V.... discard all frames except keyframes
all .D.V.... discard all frames
-skip_frame <int> .D.V.... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default )
none .D.V.... discard no frame
default .D.V.... discard useless frames
noref .D.V.... discard all non-reference frames
bidir .D.V.... discard all bidirectional frames
nokey .D.V.... discard all frames except keyframes
all .D.V.... discard all frames
-bidir_refine <int> E..V.... refine the two motion vectors used in bidirectional macroblocks (from to ) (default )
-brd_scale <int> E..V.... downscale frames for dynamic B-frame decision (from to ) (default )
-keyint_min <int> E..V.... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default )
-refs <int> E..V.... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default )
-chromaoffset <int> E..V.... chroma QP offset from luma (from INT_MIN to INT_MAX) (default )
-trellis <int> E..VA... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default )
-sc_factor <int> E..V.... multiplied by qscale for each frame and added to scene_change_score (from to INT_MAX) (default )
-mv0_threshold <int> E..V.... (from to INT_MAX) (default )
-b_sensitivity <int> E..V.... adjust sensitivity of b_frame_strategy (from to INT_MAX) (default )
-compression_level <int> E..VA... (from INT_MIN to INT_MAX) (default -)
-min_prediction_order <int> E...A... (from INT_MIN to INT_MAX) (default -)
-max_prediction_order <int> E...A... (from INT_MIN to INT_MAX) (default -)
-timecode_frame_start <int64> E..V.... GOP timecode frame start number, in non-drop-frame format (from to I64_MAX) (default )
-request_channels <int> .D..A... set desired number of audio channels (from to INT_MAX) (default )
-channel_layout <int64> ED..A... (from to I64_MAX) (default )
-request_channel_layout <int64> .D..A... (from to I64_MAX) (default )
-rc_max_vbv_use <float> E..V.... (from to FLT_MAX) (default )
-rc_min_vbv_use <float> E..V.... (from to FLT_MAX) (default )
-ticks_per_frame <int> ED.VA... (from to INT_MAX) (default )
-color_primaries <int> ED.V.... (from to ) (default )
-color_trc <int> ED.V.... (from to ) (default )
-colorspace <int> ED.V.... (from to ) (default )
-color_range <int> ED.V.... (from to ) (default )
-chroma_sample_location <int> ED.V.... (from to ) (default )
-slices <int> E..V.... number of slices, used in parallelized encoding (from to INT_MAX) (default )
-thread_type <flags> ED.VA... select multithreading type (default )
slice ED.V....
frame ED.V....
-audio_service_type <int> E...A... audio service type (from to ) (default )
ma E...A... Main Audio Service
ef E...A... Effects
vi E...A... Visually Impaired
hi E...A... Hearing Impaired
di E...A... Dialogue
co E...A... Commentary
em E...A... Emergency
vo E...A... Voice Over
ka E...A... Karaoke
-request_sample_fmt <sample_fmt> .D..A... sample format audio decoders should prefer (default none)
-sub_charenc <string> .D...S.. set input text subtitles character encoding
-sub_charenc_mode <flags> .D...S.. set input text subtitles character encoding mode (default )
do_nothing .D...S..
auto .D...S..
pre_decoder .D...S..
-refcounted_frames <int> .D.VA... (from to ) (default )
-skip_alpha <int> .D.V.... Skip processing alpha (from to ) (default )
-field_order <int> ED.V.... Field order (from to ) (default )
progressive ED.V....
tt ED.V....
bb ED.V....
tb ED.V....
bt ED.V.... cinepak AVOptions:
-max_extra_cb_iterations <int> E..V.... Max extra codebook recalculation passes, more is better and slower (from to INT_MAX) (default )
-skip_empty_cb <int> E..V.... Avoid wasting bytes, ignore vintage MacOS decoder (from to ) (default )
-max_strips <int> E..V.... Limit strips/frame, vintage compatible is .., otherwise the more the better (from to ) (default )
-min_strips <int> E..V.... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from to ) (default )
-strip_number_adaptivity <int> E..V.... How fast the strip number adapts, more is slightly better, much slower (from to ) (default ) cljr encoder AVOptions:
-dither_type <int> E..V.... Dither type (from to ) (default ) dnxhd AVOptions:
-nitris_compat <int> E..V.... encode with Avid Nitris compatibility (from to ) (default ) ffv1 encoder AVOptions:
-slicecrc <int> E..V.... Protect slices with CRCs (from - to ) (default -) flv encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) frwu Decoder AVOptions:
-change_field_order <int> .D.V.... Change field order (from to ) (default ) GIF encoder AVOptions:
-gifflags <flags> E..V.... set GIF flags (default )
offsetting E..V.... enable picture offsetting
transdiff E..V.... enable transparency detection between frames gif decoder AVOptions:
-trans_color <int> .D.V.... color value (ARGB) that is used instead of transparent color (from to UINT32_MAX) (default 1.67772e+007) h261 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) H. encoder AVOptions:
-obmc <int> E..V.... use overlapped block motion compensation. (from to ) (default )
-structured_slices <int> E..V.... Write slice start position at every GOB header instead of just GOB number. (from to ) (default )
-mb_info <int> E..V.... emit macroblock info for RFC packetization, the parameter value is the maximum payload size (from to INT_MAX) (default )
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) H.263p encoder AVOptions:
-umv <int> E..V.... Use unlimited motion vectors. (from to ) (default )
-aiv <int> E..V.... Use alternative inter VLC. (from to ) (default )
-obmc <int> E..V.... use overlapped block motion compensation. (from to ) (default )
-structured_slices <int> E..V.... Write slice start position at every GOB header instead of just GOB number. (from to ) (default )
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) H264 Decoder AVOptions: HEVC decoder AVOptions:
-apply_defdispwin <int> .D.V.... Apply default display window from VUI (from to ) (default )
-strict-displaywin <int> .D.V.... stricly apply default display window size (from to ) (default ) jpeg2000 AVOptions:
-lowres <int> .D.V.... Lower the decoding resolution by a power of two (from to ) (default ) MJPEG decoder AVOptions:
-extern_huff <int> .D.V.... Use external huffman table. (from to ) (default ) mpeg1video encoder AVOptions:
-gop_timecode <string> E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format
-intra_vlc <int> E..V.... Use MPEG- intra VLC table. (from to ) (default )
-drop_frame_timecode <int> E..V.... Timecode is in drop frame format. (from to ) (default )
-scan_offset <int> E..V.... Reserve space for SVCD scan offset user data. (from to ) (default )
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) mpeg2video encoder AVOptions:
-gop_timecode <string> E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format
-intra_vlc <int> E..V.... Use MPEG- intra VLC table. (from to ) (default )
-drop_frame_timecode <int> E..V.... Timecode is in drop frame format. (from to ) (default )
-scan_offset <int> E..V.... Reserve space for SVCD scan offset user data. (from to ) (default )
-non_linear_quant <int> E..V.... Use nonlinear quantizer. (from to ) (default )
-alternate_scan <int> E..V.... Enable alternate scantable. (from to ) (default )
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) MPEG4 encoder AVOptions:
-data_partitioning <int> E..V.... Use data partitioning. (from to ) (default )
-alternate_scan <int> E..V.... Enable alternate scantable. (from to ) (default )
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) MPEG4 Video Decoder AVOptions: msmpeg4v2 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) msmpeg4v3 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) ProRes encoder AVOptions:
-mbs_per_slice <int> E..V.... macroblocks per slice (from to ) (default )
-profile <int> E..V.... (from to ) (default )
proxy E..V....
lt E..V....
standard E..V....
hq E..V....
E..V....
-vendor <string> E..V.... vendor ID (default "Lavc")
-bits_per_mb <int> E..V.... desired bits per macroblock (from to ) (default )
-quant_mat <int> E..V.... quantiser matrix (from - to ) (default -)
auto E..V....
proxy E..V....
lt E..V....
standard E..V....
hq E..V....
default E..V....
-alpha_bits <int> E..V.... bits for alpha plane (from to ) (default ) rawdec AVOptions:
-top <int> .D.V.... top field first (from - to ) (default -) RoQ AVOptions:
-quake3_compat <int> E..V.... Whether to respect known limitations in Quake decoder (from to ) (default ) rv10 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) rv20 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) snow encoder AVOptions:
-memc_only <int> E..V.... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (from to ) (default )
-no_bitstream <int> E..V.... Skip final bitstream writeout. (from to ) (default ) TIFF encoder AVOptions:
-dpi <int> E..V.... set the image resolution (in dpi) (from to ) (default )
-compression_algo <int> E..V.... (from to ) (default )
packbits E..V....
raw E..V....
lzw E..V.... V210 Decoder AVOptions:
-custom_stride <int> .D.V.... Custom V210 stride (from INT_MIN to INT_MAX) (default ) wmv1 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default )
skip_rd E..V.... RD optimal MB level residual skipping
strict_gop E..V.... Strictly enforce gop size
qp_rd E..V.... Use rate distortion optimization for qp selection
cbp_rd E..V.... use rate distortion optimization for CBP
-luma_elim_threshold <int> E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-chroma_elim_threshold <int> E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default )
-quantizer_noise_shaping <int> E..V.... (from to INT_MAX) (default )
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from to INT_MAX) (default ) AAC encoder AVOptions:
-stereo_mode <int> E...A... Stereo coding method (from - to ) (default )
auto E...A... Selected by the Encoder
ms_off E...A... Disable Mid/Side coding
ms_force E...A... Force Mid/Side for the whole frame if possible
-aac_coder <int> E...A... (from to ) (default )
faac E...A... FAAC-inspired method
anmr E...A... ANMR method
twoloop E...A... Two loop searching method
fast E...A... Constant quantizer AAC decoder AVOptions:
-dual_mono_mode <int> .D..A... Select the channel to decode for dual mono (from - to ) (default -)
auto .D..A... autoselection
main .D..A... Select Main/Left channel
sub .D..A... Select Sub/Right channel
both .D..A... Select both channels AC- Encoder AVOptions:
-per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from to ) (default )
-center_mixlev <float> E...A... Center Mix Level (from to ) (default 0.594604)
-surround_mixlev <float> E...A... Surround Mix Level (from to ) (default 0.5)
-mixing_level <int> E...A... Mixing Level (from - to ) (default -)
-room_type <int> E...A... Room Type (from - to ) (default -)
notindicated E...A... Not Indicated (default)
large E...A... Large Room
small E...A... Small Room
-copyright <int> E...A... Copyright Bit (from - to ) (default -)
-dialnorm <int> E...A... Dialogue Level (dB) (from - to -) (default -)
-dsur_mode <int> E...A... Dolby Surround Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround Encoded
off E...A... Not Dolby Surround Encoded
-original <int> E...A... Original Bit Stream (from - to ) (default -)
-dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
ltrt E...A... Lt/Rt Downmix Preferred
loro E...A... Lo/Ro Downmix Preferred
-ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from - to ) (default -)
-ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from - to ) (default -)
-loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from - to ) (default -)
-loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from - to ) (default -)
-dsurex_mode <int> E...A... Dolby Surround EX Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround EX Encoded
off E...A... Not Dolby Surround EX Encoded
-dheadphone_mode <int> E...A... Dolby Headphone Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Headphone Encoded
off E...A... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A... A/D Converter Type (from - to ) (default -)
standard E...A... Standard (default)
hdcd E...A... HDCD
-stereo_rematrixing <int> E...A... Stereo Rematrixing (from to ) (default )
-channel_coupling <int> E...A... Channel Coupling (from - to ) (default -)
auto E...A... Selected by the Encoder
-cpl_start_band <int> E...A... Coupling Start Band (from - to ) (default -)
auto E...A... Selected by the Encoder AC3 decoder AVOptions:
-drc_scale <float> .D..A... percentage of dynamic range compression to apply (from to ) (default ) Fixed-Point AC- Encoder AVOptions:
-per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from to ) (default )
-center_mixlev <float> E...A... Center Mix Level (from to ) (default 0.594604)
-surround_mixlev <float> E...A... Surround Mix Level (from to ) (default 0.5)
-mixing_level <int> E...A... Mixing Level (from - to ) (default -)
-room_type <int> E...A... Room Type (from - to ) (default -)
notindicated E...A... Not Indicated (default)
large E...A... Large Room
small E...A... Small Room
-copyright <int> E...A... Copyright Bit (from - to ) (default -)
-dialnorm <int> E...A... Dialogue Level (dB) (from - to -) (default -)
-dsur_mode <int> E...A... Dolby Surround Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround Encoded
off E...A... Not Dolby Surround Encoded
-original <int> E...A... Original Bit Stream (from - to ) (default -)
-dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
ltrt E...A... Lt/Rt Downmix Preferred
loro E...A... Lo/Ro Downmix Preferred
-ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from - to ) (default -)
-ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from - to ) (default -)
-loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from - to ) (default -)
-loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from - to ) (default -)
-dsurex_mode <int> E...A... Dolby Surround EX Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround EX Encoded
off E...A... Not Dolby Surround EX Encoded
-dheadphone_mode <int> E...A... Dolby Headphone Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Headphone Encoded
off E...A... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A... A/D Converter Type (from - to ) (default -)
standard E...A... Standard (default)
hdcd E...A... HDCD
-stereo_rematrixing <int> E...A... Stereo Rematrixing (from to ) (default )
-channel_coupling <int> E...A... Channel Coupling (from - to ) (default -)
auto E...A... Selected by the Encoder
-cpl_start_band <int> E...A... Coupling Start Band (from - to ) (default -)
auto E...A... Selected by the Encoder APE decoder AVOptions:
-max_samples <int> .D..A... maximum number of samples decoded per call (from to INT_MAX) (default )
all .D..A... no maximum. decode all samples for each packet at once DCA decoder AVOptions:
-disable_xch <int> .D..A... disable decoding of the XCh extension (from to ) (default ) E-AC- Encoder AVOptions:
-per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from to ) (default )
-mixing_level <int> E...A... Mixing Level (from - to ) (default -)
-room_type <int> E...A... Room Type (from - to ) (default -)
notindicated E...A... Not Indicated (default)
large E...A... Large Room
small E...A... Small Room
-copyright <int> E...A... Copyright Bit (from - to ) (default -)
-dialnorm <int> E...A... Dialogue Level (dB) (from - to -) (default -)
-dsur_mode <int> E...A... Dolby Surround Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround Encoded
off E...A... Not Dolby Surround Encoded
-original <int> E...A... Original Bit Stream (from - to ) (default -)
-dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
ltrt E...A... Lt/Rt Downmix Preferred
loro E...A... Lo/Ro Downmix Preferred
-ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from - to ) (default -)
-ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from - to ) (default -)
-loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from - to ) (default -)
-loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from - to ) (default -)
-dsurex_mode <int> E...A... Dolby Surround EX Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround EX Encoded
off E...A... Not Dolby Surround EX Encoded
-dheadphone_mode <int> E...A... Dolby Headphone Mode (from - to ) (default -)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Headphone Encoded
off E...A... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A... A/D Converter Type (from - to ) (default -)
standard E...A... Standard (default)
hdcd E...A... HDCD
-stereo_rematrixing <int> E...A... Stereo Rematrixing (from to ) (default )
-channel_coupling <int> E...A... Channel Coupling (from - to ) (default -)
auto E...A... Selected by the Encoder
-cpl_start_band <int> E...A... Coupling Start Band (from - to ) (default -)
auto E...A... Selected by the Encoder E-AC3 decoder AVOptions:
-drc_scale <float> .D..A... percentage of dynamic range compression to apply (from to ) (default ) FLAC encoder AVOptions:
-lpc_coeff_precision <int> E...A... LPC coefficient precision (from to ) (default )
-lpc_type <int> E...A... LPC algorithm (from - to ) (default -)
none E...A...
fixed E...A...
levinson E...A...
cholesky E...A...
-lpc_passes <int> E...A... Number of passes to use for Cholesky factorization during LPC analysis (from to INT_MAX) (default )
-min_partition_order <int> E...A... (from - to ) (default -)
-max_partition_order <int> E...A... (from - to ) (default -)
-prediction_order_method <int> E...A... Search method for selecting prediction order (from - to ) (default -)
estimation E...A...
2level E...A...
4level E...A...
8level E...A...
search E...A...
log E...A...
-ch_mode <int> E...A... Stereo decorrelation mode (from - to ) (default -)
auto E...A...
indep E...A...
left_side E...A...
right_side E...A...
mid_side E...A... G.723.1 decoder AVOptions:
-postfilter <int> .D..A... postfilter on/off (from to ) (default ) TTA Decoder AVOptions:
-password <string> .D..A... Set decoding password WavPack encoder AVOptions:
-joint_stereo <int> E...A... (from - to ) (default )
on E...A... mid/side
off E...A... left/right
auto E...A...
-optimize_mono <int> E...A... (from to ) (default )
on E...A...
off E...A... g722 decoder AVOptions:
-bits_per_codeword <int> .D..A... Bits per G722 codeword (from to ) (default ) g726 AVOptions:
-code_size <int> E...A... Bits per code (from to ) (default ) dvdsubdec AVOptions:
-palette <string> .D...S.. set the global palette PGS subtitle decoder AVOptions:
-forced_subs_only <int> .D...S.. Only show forced subtitles (from to ) (default ) pjs decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from to ) (default ) subviewer1 decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from to ) (default ) text decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from to ) (default ) vplayer decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from to ) (default ) AVFormatContext AVOptions:
-avioflags <flags> ED...... (default )
direct ED...... reduce buffering
-probesize <int> .D...... set probing size (from to INT_MAX) (default 5e+)
-packetsize <int> E....... set packet size (from to INT_MAX) (default )
-fflags <flags> ED...... (default )
flush_packets .D...... reduce the latency by flushing out packets immediately
ignidx .D...... ignore index
genpts .D...... generate pts
nofillin .D...... do not fill in missing values that can be exactly calculated
noparse .D...... disable AVParsers, this needs nofillin too
igndts .D...... ignore dts
discardcorrupt .D...... discard corrupted frames
sortdts .D...... try to interleave outputted packets by dts
keepside .D...... don't merge side data
latm E....... enable RTP MP4A-LATM payload
nobuffer .D...... reduce the latency introduced by optional buffering
-seek2any <int> .D...... allow seeking to non-keyframes on demuxer level when supported (from to ) (default )
-analyzeduration <int> .D...... specify how many microseconds are analyzed to probe the input (from to INT_MAX) (default 5e+)
-cryptokey <binary> .D...... decryption key
-indexmem <int> .D...... max memory used for timestamp index (per stream) (from to INT_MAX) (default 1.04858e+006)
-rtbufsize <int> .D...... max memory used for buffering real-time frames (from to INT_MAX) (default 3.04128e+006)
-fdebug <flags> ED...... print specific debug info (default )
ts ED......
-max_delay <int> ED...... maximum muxing or demuxing delay in microseconds (from - to INT_MAX) (default -)
-fpsprobesize <int> .D...... number of frames used to probe fps (from - to 2.14748e+009) (default -)
-audio_preload <int> E....... microseconds by which audio packets should be interleaved earlier (from to 2.14748e+009) (default )
-chunk_duration <int> E....... microseconds for each chunk (from to 2.14748e+009) (default )
-chunk_size <int> E....... size in bytes for each chunk (from to 2.14748e+009) (default )
-f_err_detect <flags> .D...... set error detection flags (deprecated; use err_detect, save via avconv) (default )
crccheck .D...... verify embedded CRCs
bitstream .D...... detect bitstream specification deviations
buffer .D...... detect improper bitstream length
explode .D...... abort decoding on minor error detection
careful .D...... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D...... consider all spec non compliancies as errors
aggressive .D...... consider things that a sane encoder shouldn't do as an error
-err_detect <flags> .D...... set error detection flags (default )
crccheck .D...... verify embedded CRCs
bitstream .D...... detect bitstream specification deviations
buffer .D...... detect improper bitstream length
explode .D...... abort decoding on minor error detection
careful .D...... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D...... consider all spec non compliancies as errors
aggressive .D...... consider things that a sane encoder shouldn't do as an error
-use_wallclock_as_timestamps <int> .D...... use wallclock as timestamps (from to 2.14748e+009) (default )
-avoid_negative_ts <int> E....... shift timestamps so they start at (from - to ) (default -)
auto E....... enabled when required by target format
disabled E....... do not change timestamps
make_zero E....... shift timestamps so they start at
make_non_negative E....... shift timestamps so they are non negative
-skip_initial_bytes <int> .D...... set number of bytes to skip before reading header and frames (from to 2.14748e+009) (default )
-correct_ts_overflow <int> .D...... correct single timestamp overflows (from to ) (default )
-flush_packets <int> E....... enable flushing of the I/O context after each packet (from to ) (default )
-metadata_header_padding <int> E....... set number of bytes to be written as padding in a metadata header (from - to INT_MAX) (default -)
-output_ts_offset <duration> E....... set output timestamp offset (default )
-max_interleave_delta <int64> E....... maximum buffering duration for interleaving (from to I64_MAX) (default 1e+) AVIOContext AVOptions: URLContext AVOptions: crypto AVOptions:
-key <binary> .D...... AES decryption key
-iv <binary> .D...... AES decryption initialization vector ffrtmphttp AVOptions:
-ffrtmphttp_tls <int> .D...... Use a HTTPS tunneling connection (RTMPTS). (from to ) (default ) file AVOptions:
-truncate <int> E....... truncate existing files on write (from to ) (default )
-blocksize <int> E....... set I/O operation maximum block size (from to INT_MAX) (default INT_MAX) ftp AVOptions:
-timeout <int> ED...... set timeout of socket I/O operations (from - to INT_MAX) (default -)
-ftp-write-seekable <int> E....... control seekability of connection during encoding (from to ) (default )
-ftp-anonymous-password <string> ED...... password for anonymous login. E-mail address should be used. http AVOptions:
-seekable <int> .D...... control seekability of connection (from - to ) (default -)
-chunked_post <int> E....... use chunked transfer-encoding for posts (from to ) (default )
-headers <string> ED...... set custom HTTP headers, can override built in default headers
-content_type <string> ED...... set a specific content type for the POST messages
-user_agent <string> .D...... override User-Agent header (default "Lavf/55.33.100")
-user-agent <string> .D...... override User-Agent header (default "Lavf/55.33.100")
-multiple_requests <int> ED...... use persistent connections (from to ) (default )
-post_data <binary> ED...... set custom HTTP post data
-cookies <string> .D...... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <int> .D...... request ICY metadata (from to ) (default )
-auth_type <int> ED...... HTTP authentication type (from to ) (default )
none ED...... No auth method set, autodetect
basic ED...... HTTP basic authentication
-send_expect_100 <int> E....... Force sending an Expect: -continue header for POST (from to ) (default )
-location <string> ED...... The actual location of the data received
-offset <int64> .D...... initial byte offset (from to I64_MAX) (default )
-end_offset <int64> .D...... try to limit the request to bytes preceding this offset (from to I64_MAX) (default ) pipe AVOptions:
-blocksize <int> E....... set I/O operation maximum block size (from to INT_MAX) (default INT_MAX) rtmp AVOptions:
-rtmp_app <string> ED...... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED...... Set buffer time in milliseconds. The default is . (from to INT_MAX) (default )
-rtmp_conn <string> ED...... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED...... Version of the Flash plugin used to run the SWF player.
-rtmp_flush_interval <int> E....... Number of packets flushed in the same request (RTMPT only). (from to INT_MAX) (default )
-rtmp_live <int> .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -)
any .D...... both
live .D...... live stream
recorded .D...... recorded stream
-rtmp_pageurl <string> .D...... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED...... Stream identifier to play or to publish
-rtmp_subscribe <string> .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D...... SHA256 hash of the decompressed SWF file ( bytes).
-rtmp_swfsize <int> .D...... Size of the decompressed SWF file, required for SWFVerification. (from to INT_MAX) (default )
-rtmp_swfurl <string> ED...... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D...... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED...... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default )
-listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default )
-timeout <int> .D...... Maximum timeout (in seconds) to wait for incoming connections. - is infinite. Implies -rtmp_listen (from INT_MIN to INT_MAX) (default -) rtmpt AVOptions:
-rtmp_app <string> ED...... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED...... Set buffer time in milliseconds. The default is . (from to INT_MAX) (default )
-rtmp_conn <string> ED...... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED...... Version of the Flash plugin used to run the SWF player.
-rtmp_flush_interval <int> E....... Number of packets flushed in the same request (RTMPT only). (from to INT_MAX) (default )
-rtmp_live <int> .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -)
any .D...... both
live .D...... live stream
recorded .D...... recorded stream
-rtmp_pageurl <string> .D...... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED...... Stream identifier to play or to publish
-rtmp_subscribe <string> .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D...... SHA256 hash of the decompressed SWF file ( bytes).
-rtmp_swfsize <int> .D...... Size of the decompressed SWF file, required for SWFVerification. (from to INT_MAX) (default )
-rtmp_swfurl <string> ED...... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D...... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED...... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default )
-listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default )
-timeout <int> .D...... Maximum timeout (in seconds) to wait for incoming connections. - is infinite. Implies -rtmp_listen (from INT_MIN to INT_MAX) (default -) srtp AVOptions:
-srtp_out_suite <string> E.......
-srtp_out_params <string> E.......
-srtp_in_suite <string> E.......
-srtp_in_params <string> E....... tcp AVOptions:
-listen <int> ED...... listen on port instead of connecting (from to ) (default )
-timeout <int> ED...... set timeout of socket I/O operations (from - to INT_MAX) (default -)
-listen_timeout <int> ED...... set connection awaiting timeout (from - to INT_MAX) (default -) udp AVOptions:
-buffer_size <int> ED...... set packet buffer size in bytes (from to INT_MAX) (default )
-localport <int> ED...... set local port to bind to (from to INT_MAX) (default )
-localaddr <string> ED...... choose local IP address (default "")
-pkt_size <int> ED...... set size of UDP packets (from to INT_MAX) (default )
-reuse <int> ED...... explicitly allow or disallow reusing UDP sockets (from to ) (default )
-ttl <int> E....... set the time to live value (for multicast only) (from to INT_MAX) (default )
-connect <int> ED...... set if connect() should be called on socket (from to ) (default )
-fifo_size <int> .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of bytes (from to INT_MAX) (default )
-overrun_nonfatal <int> .D...... survive in case of UDP receiving circular buffer overrun (from to ) (default )
-timeout <int> .D...... set raise error timeout (only in read mode) (from to INT_MAX) (default ) dshow indev AVOptions:
-video_size <image_size> .D...... set video size given a string such as 640x480 or hd720.
-pixel_format <pix_fmt> .D...... set video pixel format (default none)
-framerate <string> .D...... set video frame rate
-sample_rate <int> .D...... set audio sample rate (from to INT_MAX) (default )
-sample_size <int> .D...... set audio sample size (from to ) (default )
-channels <int> .D...... set number of audio channels, such as or (from to INT_MAX) (default )
-list_devices <int> .D...... list available devices (from to ) (default )
true .D......
false .D......
-list_options <int> .D...... list available options for specified device (from to ) (default )
true .D......
false .D......
-video_device_number <int> .D...... set video device number for devices with same name (starts at ) (from to INT_MAX) (default )
-audio_device_number <int> .D...... set audio device number for devices with same name (starts at ) (from to INT_MAX) (default )
-audio_buffer_size <int> .D...... set audio device buffer latency size in milliseconds (default is the device's default) (from 0 to INT_MAX) (default 0) lavfi indev AVOptions:
-graph <string> .D...... set libavfilter graph
-graph_file <string> .D...... set libavfilter graph filename
-dumpgraph <string> .D...... dump graph to stderr VFW indev AVOptions:
-video_size <string> .D...... A string describing frame size, such as 640x480 or hd720.
-framerate <string> .D...... (default "ntsc") Artworx Data Format demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from to INT_MAX) (default )
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "") aqtdec AVOptions:
-subfps <rational> .D...S.. set the movie frame rate (from to INT_MAX) (default /) asf demuxer AVOptions:
-no_resync_search <int> .D...... Don't try to resynchronize by looking for a certain optional start code (from 0 to 1) (default 0) avi AVOptions:
-use_odml <int> .D...... use odml index (from - to ) (default ) Binary text demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from to INT_MAX) (default )
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "") cavsvideo demuxer AVOptions:
-framerate <video_rate> .D...... (default "") CDXL demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-framerate <string> .D...... concat demuxer AVOptions:
-safe <int> .D...... enable safe mode (from - to ) (default -) dirac demuxer AVOptions:
-framerate <video_rate> .D...... (default "") dnxhd demuxer AVOptions:
-framerate <video_rate> .D...... (default "") flvdec AVOptions:
-flv_metadata <int> .D.V.... Allocate streams according to the onMetaData array (from to ) (default ) g729 demuxer AVOptions:
-bit_rate <int> .D...... (from to INT_MAX) (default ) GIF demuxer AVOptions:
-min_delay <int> .D...... minimum valid delay between frames (in hundredths of second) (from to ) (default )
-default_delay <int> .D...... default delay between frames (in hundredths of second) (from to ) (default )
-ignore_loop <int> .D...... ignore loop setting (netscape extension) (from to ) (default ) gsm demuxer AVOptions:
-sample_rate <int> .D...... (from to 6.50753e+007) (default ) h261 demuxer AVOptions:
-framerate <video_rate> .D...... (default "") h263 demuxer AVOptions:
-framerate <video_rate> .D...... (default "") h264 demuxer AVOptions:
-framerate <video_rate> .D...... (default "") hevc demuxer AVOptions:
-framerate <video_rate> .D...... (default "") iCE Draw File demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from to INT_MAX) (default )
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "") image2 demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "")
-loop <int> .D...... force loop over input file sequence (from to ) (default )
-pattern_type <int> .D...... set pattern type (from to INT_MAX) (default )
glob_sequence .D...... select glob/sequence pattern type
glob .D...... select glob pattern type
sequence .D...... select sequence pattern type
-pixel_format <string> .D...... set video pixel format
-start_number <int> .D...... set first number in the sequence (from to INT_MAX) (default )
-start_number_range <int> .D...... set range for looking at the first sequence number (from to INT_MAX) (default )
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from to INT_MAX) (default )
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 1) (default 0) image2pipe demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "")
-loop <int> .D...... force loop over input file sequence (from to ) (default )
-pattern_type <int> .D...... set pattern type (from to INT_MAX) (default )
glob_sequence .D...... select glob/sequence pattern type
glob .D...... select glob pattern type
sequence .D...... select sequence pattern type
-pixel_format <string> .D...... set video pixel format
-start_number <int> .D...... set first number in the sequence (from to INT_MAX) (default )
-start_number_range <int> .D...... set range for looking at the first sequence number (from to INT_MAX) (default )
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from to INT_MAX) (default )
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 1) (default 0) ingenient demuxer AVOptions:
-framerate <video_rate> .D...... (default "") m4v demuxer AVOptions:
-framerate <video_rate> .D...... (default "") mjpeg demuxer AVOptions:
-framerate <video_rate> .D...... (default "") mov,mp4,m4a,3gp,3g2,mj2 AVOptions:
-use_absolute_path <int> .D.V.... allow using absolute path when opening alias, this is a possible security issue (from to ) (default )
-ignore_editlist <int> .D.V.... (from to ) (default ) mp3 AVOptions:
-usetoc <int> .D...... use table of contents (from - to ) (default -) mpegts demuxer AVOptions:
-fix_teletext_pts <int> .D...... Try to fix pts values of dvb teletext streams. (from to ) (default )
-ts_packetsize <int> .D....XR Output option carrying the raw packet size. (from to ) (default ) mpegtsraw demuxer AVOptions:
-compute_pcr <int> .D...... Compute exact PCR for each transport stream packet. (from to ) (default )
-ts_packetsize <int> .D....XR Output option carrying the raw packet size. (from to ) (default ) mpegvideo demuxer AVOptions:
-framerate <video_rate> .D...... (default "") alaw demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) mulaw demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) f64be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) f64le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) f32be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) f32le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s32be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s32le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s24be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s24le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s16be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s16le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) s8 demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u32be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u32le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u24be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u24le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u16be demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u16le demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) u8 demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-channels <int> .D...... (from to INT_MAX) (default ) rawvideo demuxer AVOptions:
-video_size <image_size> .D...... set frame size
-pixel_format <string> .D...... set pixel format (default "yuv420p")
-framerate <video_rate> .D...... set frame rate (default "") RTP demuxer AVOptions:
-rtp_flags <flags> .D...... set RTP flags (default )
filter_src .D...... only receive packets from the negotiated peer IP
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from - to INT_MAX) (default -) RTSP demuxer AVOptions:
-initial_pause <int> .D...... do not start playing the stream immediately (from to ) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED...... set RTSP transport protocols (default )
udp ED...... UDP
tcp ED...... TCP
udp_multicast .D...... UDP multicast
http .D...... HTTP tunneling
-rtsp_flags <flags> .D...... set RTSP flags (default )
filter_src .D...... only receive packets from the negotiated peer IP
listen .D...... wait for incoming connections
-allowed_media_types <flags> .D...... set media types to accept from the server (default )
video .D...... Video
audio .D...... Audio
data .D...... Data
-min_port <int> ED...... set minimum local UDP port (from to ) (default )
-max_port <int> ED...... set maximum local UDP port (from to ) (default )
-timeout <int> .D...... set maximum timeout (in seconds) to wait for incoming connections (- is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -)
-stimeout <int> .D...... set timeout (in micro seconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default )
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from - to INT_MAX) (default -)
-user-agent <string> .D...... override User-Agent header (default "Lavf55.33.100") sbg_demuxer AVOptions:
-sample_rate <int> .D...... (from to INT_MAX) (default )
-frame_size <int> .D...... (from to INT_MAX) (default )
-max_file_size <int> .D...... (from to INT_MAX) (default 5e+) SDP demuxer AVOptions:
-sdp_flags <flags> .D...... SDP flags (default )
filter_src .D...... only receive packets from the negotiated peer IP
custom_io .D...... use custom I/O
rtcp_to_source .D...... send RTCP packets to the source address of received packets
-allowed_media_types <flags> .D...... set media types to accept from the server (default )
video .D...... Video
audio .D...... Audio
data .D...... Data
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from - to INT_MAX) (default -) tedcaptions_demuxer AVOptions:
-start_time <int64> .D...S.. set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX) (default ) TTY demuxer AVOptions:
-chars_per_frame <int> .D...... (from to INT_MAX) (default )
-video_size <image_size> .D...... A string describing frame size, such as 640x480 or hd720.
-framerate <video_rate> .D...... (default "") vc1 demuxer AVOptions:
-framerate <video_rate> .D...... (default "") WAV demuxer AVOptions:
-ignore_length <int> .D...... Ignore length (from to ) (default ) WebVTT demuxer AVOptions: eXtended BINary text (XBIN) demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from to INT_MAX) (default )
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "") ADTS muxer AVOptions:
-write_apetag <int> E....... Enable APE tag writing (from to ) (default ) AIFF muxer AVOptions:
-write_id3v2 <int> E....... Enable ID3 tags writing. (from to ) (default )
-id3v2_version <int> E....... Select ID3v2 version to write. Currently and are supported. (from to ) (default ) AST muxer AVOptions:
-loopstart <int64> E....... Loopstart position in milliseconds. (from - to INT_MAX) (default -)
-loopend <int64> E....... Loopend position in milliseconds. (from to INT_MAX) (default ) f4v muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand flac muxer AVOptions:
-write_header <int> E....... Write the file header (from to ) (default ) frame hash encoder class AVOptions:
-hash <string> E....... set hash to use (default "md5") GIF muxer AVOptions:
-loop <int> E....... Number of times to loop the output: - - no loop, - infinite loop (from - to ) (default )
-final_delay <int> E....... Force delay (in centiseconds) after the last frame (from - to ) (default -) HDS muxer AVOptions:
-window_size <int> E....... number of fragments kept in the manifest (from to INT_MAX) (default )
-extra_window_size <int> E....... number of fragments kept outside of the manifest before removing from disk (from to INT_MAX) (default )
-min_frag_duration <int64> E....... minimum fragment duration (in microseconds) (from to INT_MAX) (default 1e+)
-remove_at_exit <int> E....... remove all fragments when finished (from to ) (default ) hls muxer AVOptions:
-start_number <int64> E....... set first number in the sequence (from to I64_MAX) (default )
-hls_time <float> E....... set segment length in seconds (from to FLT_MAX) (default )
-hls_list_size <int> E....... set maximum number of playlist entries (from to INT_MAX) (default )
-hls_wrap <int> E....... set number after which the index wraps (from to INT_MAX) (default ) image2 muxer AVOptions:
-updatefirst <int> E....... continuously overwrite one file (from to ) (default )
-update <int> E....... continuously overwrite one file (from to ) (default )
-start_number <int> E....... set first number in the sequence (from to INT_MAX) (default )
-strftime <int> E....... use strftime for filename (from to ) (default ) ipod muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand ismv muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand LATM/LOAS muxer AVOptions:
-smc-interval <int> E....... StreamMuxConfig interval. (from to ) (default ) hash encoder class AVOptions:
-hash <string> E....... set hash to use (default "md5") matroska muxer AVOptions:
-reserve_index_space <int> E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from to INT_MAX) (default )
-cluster_size_limit <int> E....... Store at most the provided amount of bytes in a cluster. (from - to INT_MAX) (default -)
-cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from - to I64_MAX) (default -) matroska audio muxer AVOptions:
-reserve_index_space <int> E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from to INT_MAX) (default )
-cluster_size_limit <int> E....... Store at most the provided amount of bytes in a cluster. (from - to INT_MAX) (default -)
-cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from - to I64_MAX) (default -) mov muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand MP3 muxer AVOptions:
-id3v2_version <int> E....... Select ID3v2 version to write. Currently and are supported. (from to ) (default )
-write_id3v1 <int> E....... Enable ID3v1 writing. ID3v1 tags are written in UTF- which may not be supported by most software. (from to ) (default )
-write_xing <int> E....... Write the Xing header containing file duration. (from to ) (default ) mp4 muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand mpeg muxer AVOptions:
-muxrate <int> E....... (from to 1.67772e+009) (default )
-preload <int> E....... Initial demux-decode delay in microseconds. (from to INT_MAX) (default ) vcd muxer AVOptions:
-muxrate <int> E....... (from to 1.67772e+009) (default )
-preload <int> E....... Initial demux-decode delay in microseconds. (from to INT_MAX) (default ) dvd muxer AVOptions:
-muxrate <int> E....... (from to 1.67772e+009) (default )
-preload <int> E....... Initial demux-decode delay in microseconds. (from to INT_MAX) (default ) svcd muxer AVOptions:
-muxrate <int> E....... (from to 1.67772e+009) (default )
-preload <int> E....... Initial demux-decode delay in microseconds. (from to INT_MAX) (default ) vob muxer AVOptions:
-muxrate <int> E....... (from to 1.67772e+009) (default )
-preload <int> E....... Initial demux-decode delay in microseconds. (from to INT_MAX) (default ) MPEGTS muxer AVOptions:
-mpegts_transport_stream_id <int> E....... Set transport_stream_id field. (from to ) (default )
-mpegts_original_network_id <int> E....... Set original_network_id field. (from to ) (default )
-mpegts_service_id <int> E....... Set service_id field. (from to ) (default )
-mpegts_pmt_start_pid <int> E....... Set the first pid of the PMT. (from to ) (default )
-mpegts_start_pid <int> E....... Set the first pid. (from to ) (default )
-mpegts_m2ts_mode <int> E....... Enable m2ts mode. (from - to ) (default -)
-muxrate <int> E....... (from to INT_MAX) (default )
-pes_payload_size <int> E....... Minimum PES packet payload in bytes (from to INT_MAX) (default )
-mpegts_flags <flags> E....... MPEG-TS muxing flags (default )
resend_headers E....... Reemit PAT/PMT before writing the next packet
latm E....... Use LATM packetization for AAC
-resend_headers <int> E....... Reemit PAT/PMT before writing the next packet (from to INT_MAX) (default )
-mpegts_copyts <int> E....... don't offset dts/pts (from -1 to 1) (default -1)
-tables_version <int> E....... set PAT, PMT and SDT version (from to ) (default ) Ogg muxer AVOptions:
-oggpagesize <int> E....... Set preferred Ogg page size. (from to ) (default )
-pagesize <int> E....... preferred page size in bytes (deprecated) (from to ) (default )
-page_duration <int64> E....... preferred page duration, in microseconds (from to I64_MAX) (default 1e+) Opus muxer AVOptions:
-oggpagesize <int> E....... Set preferred Ogg page size. (from to ) (default )
-pagesize <int> E....... preferred page size in bytes (deprecated) (from to ) (default )
-page_duration <int64> E....... preferred page duration, in microseconds (from to I64_MAX) (default 1e+) psp muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand RTP muxer AVOptions:
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-payload_type <int> E....... Specify RTP payload type (from - to ) (default -)
-ssrc <int> E....... Stream identifier (from INT_MIN to INT_MAX) (default )
-cname <string> E....... CNAME to include in RTCP SR packets
-seq <int> E....... Starting sequence number (from - to ) (default -) RTSP muxer AVOptions:
-initial_pause <int> .D...... do not start playing the stream immediately (from to ) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED...... set RTSP transport protocols (default )
udp ED...... UDP
tcp ED...... TCP
udp_multicast .D...... UDP multicast
http .D...... HTTP tunneling
-rtsp_flags <flags> .D...... set RTSP flags (default )
filter_src .D...... only receive packets from the negotiated peer IP
listen .D...... wait for incoming connections
-allowed_media_types <flags> .D...... set media types to accept from the server (default )
video .D...... Video
audio .D...... Audio
data .D...... Data
-min_port <int> ED...... set minimum local UDP port (from to ) (default )
-max_port <int> ED...... set maximum local UDP port (from to ) (default )
-timeout <int> .D...... set maximum timeout (in seconds) to wait for incoming connections (- is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -)
-stimeout <int> .D...... set timeout (in micro seconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default )
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from - to INT_MAX) (default -)
-user-agent <string> .D...... override User-Agent header (default "Lavf55.33.100") segment muxer AVOptions:
-reference_stream <string> E....... set reference stream (default "auto")
-segment_format <string> E....... set container format used for the segments
-segment_list <string> E....... set the segment list filename
-segment_list_flags <flags> E....... set flags affecting segment list generation (default )
cache E....... allow list caching
live E....... enable live-friendly list generation (useful for HLS)
-segment_list_size <int> E....... set the maximum number of playlist entries (from to INT_MAX) (default )
-segment_list_entry_prefix <string> E....... set prefix to prepend to each list entry filename
-segment_list_type <int> E....... set the segment list type (from - to ) (default -)
flat E....... flat format
csv E....... csv format
ext E....... extended format
ffconcat E....... ffconcat format
m3u8 E....... M3U8 format
hls E....... Apple HTTP Live Streaming compatible
-segment_time <string> E....... set segment duration
-segment_time_delta <duration> E....... set approximation value used for the segment times (default )
-segment_times <string> E....... set segment split time points
-segment_frames <string> E....... set segment split frame numbers
-segment_wrap <int> E....... set number after which the index wraps (from to INT_MAX) (default )
-segment_start_number <int> E....... set the sequence number of the first segment (from to INT_MAX) (default )
-individual_header_trailer <int> E....... write header/trailer to each segment (from to ) (default )
-write_header_trailer <int> E....... write a header to the first segment and a trailer to the last one (from to ) (default )
-reset_timestamps <int> E....... reset timestamps at the begin of each segment (from to ) (default )
-initial_offset <duration> E....... set initial timestamp offset (default ) stream_segment muxer AVOptions:
-reference_stream <string> E....... set reference stream (default "auto")
-segment_format <string> E....... set container format used for the segments
-segment_list <string> E....... set the segment list filename
-segment_list_flags <flags> E....... set flags affecting segment list generation (default )
cache E....... allow list caching
live E....... enable live-friendly list generation (useful for HLS)
-segment_list_size <int> E....... set the maximum number of playlist entries (from to INT_MAX) (default )
-segment_list_entry_prefix <string> E....... set prefix to prepend to each list entry filename
-segment_list_type <int> E....... set the segment list type (from - to ) (default -)
flat E....... flat format
csv E....... csv format
ext E....... extended format
ffconcat E....... ffconcat format
m3u8 E....... M3U8 format
hls E....... Apple HTTP Live Streaming compatible
-segment_time <string> E....... set segment duration
-segment_time_delta <duration> E....... set approximation value used for the segment times (default )
-segment_times <string> E....... set segment split time points
-segment_frames <string> E....... set segment split frame numbers
-segment_wrap <int> E....... set number after which the index wraps (from to INT_MAX) (default )
-segment_start_number <int> E....... set the sequence number of the first segment (from to INT_MAX) (default )
-individual_header_trailer <int> E....... write header/trailer to each segment (from to ) (default )
-write_header_trailer <int> E....... write a header to the first segment and a trailer to the last one (from to ) (default )
-reset_timestamps <int> E....... reset timestamps at the begin of each segment (from to ) (default )
-initial_offset <duration> E....... set initial timestamp offset (default ) smooth streaming muxer AVOptions:
-window_size <int> E....... number of fragments kept in the manifest (from to INT_MAX) (default )
-extra_window_size <int> E....... number of fragments kept outside of the manifest before removing from disk (from to INT_MAX) (default )
-lookahead_count <int> E....... number of lookahead fragments (from to INT_MAX) (default )
-min_frag_duration <int64> E....... minimum fragment duration (in microseconds) (from to INT_MAX) (default 5e+)
-remove_at_exit <int> E....... remove all fragments when finished (from to ) (default ) spdif AVOptions:
-spdif_flags <flags> E....... IEC encapsulation flags (default )
be E....... output in big-endian format (for use as s16be)
-dtshd_rate <int> E....... mux complete DTS frames in HD mode at the specified IEC958 rate (in Hz, default =disabled) (from to ) (default )
-dtshd_fallback_time <int> E....... min secs to strip HD for after an overflow (-: till the end, default ) (from - to INT_MAX) (default ) Speex muxer AVOptions:
-oggpagesize <int> E....... Set preferred Ogg page size. (from to ) (default )
-pagesize <int> E....... preferred page size in bytes (deprecated) (from to ) (default )
-page_duration <int64> E....... preferred page duration, in microseconds (from to I64_MAX) (default 1e+) tg2 muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand tgp muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default )
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E....... Fragment at video keyframes
separate_moof E....... Write separate moof/mdat atoms for each track
frag_custom E....... Flush fragments on caller requests
isml E....... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E....... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E....... Omit the base data offset in tfhd atoms
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from to INT_MAX) (default )
-rtpflags <flags> E....... RTP muxer flags (default )
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC packetization instead of RFC for H.
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from to ) (default )
-iods_audio_profile <int> E....... iods audio profile atom. (from - to ) (default -)
-iods_video_profile <int> E....... iods video profile atom. (from - to ) (default -)
-frag_duration <int> E....... Maximum fragment duration (from to INT_MAX) (default )
-min_frag_duration <int> E....... Minimum fragment duration (from to INT_MAX) (default )
-frag_size <int> E....... Maximum fragment size (from to INT_MAX) (default )
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from to INT_MAX) (default )
-use_editlist <int> E....... use edit list (from - to ) (default -)
-video_track_timescale <int> E....... set timescale of all video tracks (from to INT_MAX) (default )
-brand <string> E....... Override major brand WAV muxer AVOptions:
-write_bext <int> E....... Write BEXT chunk. (from to ) (default )
-rf64 <int> E....... Use RF64 header rather than RIFF for large files. (from - to ) (default )
auto E....... Write RF64 header if file grows large enough.
always E....... Always write RF64 header regardless of file size.
never E....... Never write RF64 header regardless of file size. webm muxer AVOptions:
-reserve_index_space <int> E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from to INT_MAX) (default )
-cluster_size_limit <int> E....... Store at most the provided amount of bytes in a cluster. (from - to INT_MAX) (default -)
-cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from - to I64_MAX) (default -) SWScaler AVOptions:
-sws_flags <flags> E..V.... scaler flags (default )
fast_bilinear E..V.... fast bilinear
bilinear E..V.... bilinear
bicubic E..V.... bicubic
experimental E..V.... experimental
neighbor E..V.... nearest neighbor
area E..V.... averaging area
bicublin E..V.... luma bicubic, chroma bilinear
gauss E..V.... gaussian
sinc E..V.... sinc
lanczos E..V.... lanczos
spline E..V.... natural bicubic spline
print_info E..V.... print info
accurate_rnd E..V.... accurate rounding
full_chroma_int E..V.... full chroma interpolation
full_chroma_inp E..V.... full chroma input
bitexact E..V....
error_diffusion E..V.... error diffusion dither
-srcw <int> E..V.... source width (from to INT_MAX) (default )
-srch <int> E..V.... source height (from to INT_MAX) (default )
-dstw <int> E..V.... destination width (from to INT_MAX) (default )
-dsth <int> E..V.... destination height (from to INT_MAX) (default )
-src_format <int> E..V.... source format (from to ) (default )
-dst_format <int> E..V.... destination format (from to ) (default )
-src_range <int> E..V.... source range (from to ) (default )
-dst_range <int> E..V.... destination range (from to ) (default )
-param0 <double> E..V.... scaler param (from INT_MIN to INT_MAX) (default )
-param1 <double> E..V.... scaler param (from INT_MIN to INT_MAX) (default )
-src_v_chr_pos <int> E..V.... source vertical chroma position in luma grid/ (from - to ) (default -)
-src_h_chr_pos <int> E..V.... source horizontal chroma position in luma grid/ (from - to ) (default -)
-dst_v_chr_pos <int> E..V.... destination vertical chroma position in luma grid/ (from - to ) (default -)
-dst_h_chr_pos <int> E..V.... destination horizontal chroma position in luma grid/ (from - to ) (default -)
-sws_dither <int> E..V.... set dithering algorithm (from to ) (default )
auto E..V.... leave choice to sws
bayer E..V.... bayer dither
ed E..V.... error diffusion SWResampler AVOptions:
-ich <int> ....A... set input channel count (from to ) (default )
-in_channel_count <int> ....A... set input channel count (from to ) (default )
-och <int> ....A... set output channel count (from to ) (default )
-out_channel_count <int> ....A... set output channel count (from to ) (default )
-uch <int> ....A... set used channel count (from to ) (default )
-used_channel_count <int> ....A... set used channel count (from to ) (default )
-isr <int> ....A... set input sample rate (from to INT_MAX) (default )
-in_sample_rate <int> ....A... set input sample rate (from to INT_MAX) (default )
-osr <int> ....A... set output sample rate (from to INT_MAX) (default )
-out_sample_rate <int> ....A... set output sample rate (from to INT_MAX) (default )
-isf <sample_fmt> ....A... set input sample format (default none)
-in_sample_fmt <sample_fmt> ....A... set input sample format (default none)
-osf <sample_fmt> ....A... set output sample format (default none)
-out_sample_fmt <sample_fmt> ....A... set output sample format (default none)
-tsf <sample_fmt> ....A... set internal sample format (default none)
-internal_sample_fmt <sample_fmt> ....A... set internal sample format (default none)
-icl <channel_layout> ....A... set input channel layout (default 0x0)
-in_channel_layout <channel_layout> ....A... set input channel layout (default 0x0)
-ocl <channel_layout> ....A... set output channel layout (default 0x0)
-out_channel_layout <channel_layout> ....A... set output channel layout (default 0x0)
-clev <float> ....A... set center mix level (from - to ) (default 0.707107)
-center_mix_level <float> ....A... set center mix level (from - to ) (default 0.707107)
-slev <float> ....A... set surround mix level (from - to ) (default 0.707107)
-surround_mix_level <float> ....A... set surround mix Level (from - to ) (default 0.707107)
-lfe_mix_level <float> ....A... set LFE mix level (from - to ) (default )
-rmvol <float> ....A... set rematrix volume (from - to ) (default )
-rematrix_volume <float> ....A... set rematrix volume (from - to ) (default )
-rematrix_maxval <float> ....A... set rematrix maxval (from to ) (default )
-flags <flags> ....A... set flags (default )
res ....A... force resampling
-swr_flags <flags> ....A... set flags (default )
res ....A... force resampling
-dither_scale <float> ....A... set dither scale (from to INT_MAX) (default )
-dither_method <int> ....A... set dither method (from to ) (default )
rectangular ....A... select rectangular dither
triangular ....A... select triangular dither
triangular_hp ....A... select triangular dither with high pass
lipshitz ....A... select lipshitz noise shaping dither
shibata ....A... select shibata noise shaping dither
low_shibata ....A... select low shibata noise shaping dither
high_shibata ....A... select high shibata noise shaping dither
f_weighted ....A... select f-weighted noise shaping dither
modified_e_weighted ....A... select modified-e-weighted noise shaping dither
improved_e_weighted ....A... select improved-e-weighted noise shaping dither
-filter_size <int> ....A... set swr resampling filter size (from to INT_MAX) (default )
-phase_shift <int> ....A... set swr resampling phase shift (from to ) (default )
-linear_interp <int> ....A... enable linear interpolation (from to ) (default )
-cutoff <double> ....A... set cutoff frequency ratio (from to ) (default )
-resample_cutoff <double> ....A... set cutoff frequency ratio (from to ) (default )
-resampler <int> ....A... set resampling Engine (from to ) (default )
swr ....A... select SW Resampler
soxr ....A... select SoX Resampler
-precision <double> ....A... set soxr resampling precision (in bits) (from to ) (default )
-cheby <int> ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from to ) (default )
-min_comp <float> ....A... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from to FLT_MAX) (default FLT_MAX)
-min_hard_comp <float> ....A... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from to INT_MAX) (default 0.1)
-comp_duration <float> ....A... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from to INT_MAX) (default )
-max_soft_comp <float> ....A... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default )
-async <float> ....A... simplified parameter audio timestamp matching, (disabled), (filling and trimming), >(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default )
-first_pts <int64> ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
-matrix_encoding <int> ....A... set matrixed stereo encoding (from to ) (default )
none ....A... select none
dolby ....A... select Dolby
dplii ....A... select Dolby Pro Logic II
-filter_type <int> ....A... select swr filter type (from to ) (default )
cubic ....A... select cubic
blackman_nuttall ....A... select Blackman Nuttall Windowed Sinc
kaiser ....A... select Kaiser Windowed Sinc
-kaiser_beta <int> ....A... set swr Kaiser Window Beta (from to ) (default )
-output_sample_bits <int> ....A... set swr number of output sample bits (from to ) (default ) AVFilter AVOptions:
thread_type <flags> ..F..... Allowed thread types (default )
enable <string> ..F..... set enable expression aconvert AVOptions:
sample_fmt <string> ..F.A...
channel_layout <string> ..F.A... adelay AVOptions:
delays <string> ..F.A... set list of delays for each channel aecho AVOptions:
in_gain <float> ..F.A... set signal input gain (from to ) (default 0.6)
out_gain <float> ..F.A... set signal output gain (from to ) (default 0.3)
delays <string> ..F.A... set list of signal delays (default "")
decays <string> ..F.A... set list of signal decays (default "0.5") aeval AVOptions:
exprs <string> ..F.A... set the '|'-separated list of channels expressions
channel_layout <string> ..F.A... set channel layout
c <string> ..F.A... set channel layout afade AVOptions:
type <int> ..F.A... set the fade direction (from to ) (default )
in ..F.A... fade-in
out ..F.A... fade-out
t <int> ..F.A... set the fade direction (from to ) (default )
in ..F.A... fade-in
out ..F.A... fade-out
start_sample <int64> ..F.A... set number of first sample to start fading (from to I64_MAX) (default )
ss <int64> ..F.A... set number of first sample to start fading (from to I64_MAX) (default )
nb_samples <int> ..F.A... set number of samples for fade duration (from to INT_MAX) (default )
ns <int> ..F.A... set number of samples for fade duration (from to INT_MAX) (default )
start_time <duration> ..F.A... set time to start fading (default )
st <duration> ..F.A... set time to start fading (default )
duration <duration> ..F.A... set fade duration (default )
d <duration> ..F.A... set fade duration (default )
curve <int> ..F.A... set fade curve type (from to ) (default )
tri ..F.A... linear slope
qsin ..F.A... quarter of sine wave
esin ..F.A... exponential sine wave
hsin ..F.A... half of sine wave
log ..F.A... logarithmic
par ..F.A... inverted parabola
qua ..F.A... quadratic
cub ..F.A... cubic
squ ..F.A... square root
cbr ..F.A... cubic root
c <int> ..F.A... set fade curve type (from to ) (default )
tri ..F.A... linear slope
qsin ..F.A... quarter of sine wave
esin ..F.A... exponential sine wave
hsin ..F.A... half of sine wave
log ..F.A... logarithmic
par ..F.A... inverted parabola
qua ..F.A... quadratic
cub ..F.A... cubic
squ ..F.A... square root
cbr ..F.A... cubic root aformat AVOptions:
sample_fmts <string> ..F.A... A comma-separated list of sample formats.
sample_rates <string> ..F.A... A comma-separated list of sample rates.
channel_layouts <string> ..F.A... A comma-separated list of channel layouts. ainterleave AVOptions:
nb_inputs <int> ..F.A... set number of inputs (from to INT_MAX) (default )
n <int> ..F.A... set number of inputs (from to INT_MAX) (default ) allpass AVOptions:
frequency <double> ..F.A... set central frequency (from to ) (default )
f <double> ..F.A... set central frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set filter-width (from to ) (default 707.1)
w <double> ..F.A... set filter-width (from to ) (default 707.1) amerge AVOptions:
inputs <int> ..F.A... specify the number of inputs (from to ) (default ) amix AVOptions:
inputs <int> ..F.A... Number of inputs. (from to ) (default )
duration <int> ..F.A... How to determine the end-of-stream. (from to ) (default )
longest ..F.A... Duration of longest input.
shortest ..F.A... Duration of shortest input.
first ..F.A... Duration of first input.
dropout_transition <float> ..F.A... Transition time, in seconds, for volume renormalization when an input stream ends. (from to INT_MAX) (default ) apad AVOptions:
packet_size <int> ..F.A... set silence packet size (from to INT_MAX) (default )
pad_len <int64> ..F.A... number of samples of silence to add (from to I64_MAX) (default )
whole_len <int64> ..F.A... target number of samples in the audio stream (from to I64_MAX) (default ) aperms AVOptions:
mode <int> ..FVA... select permissions mode (from to ) (default )
none ..FVA... do nothing
ro ..FVA... set all output frames read-only
rw ..FVA... set all output frames writable
toggle ..FVA... switch permissions
random ..FVA... set permissions randomly
seed <int64> ..FVA... set the seed for the random mode (from - to UINT32_MAX) (default -) aphaser AVOptions:
in_gain <double> ..F.A... set input gain (from to ) (default 0.4)
out_gain <double> ..F.A... set output gain (from to 1e+) (default 0.74)
delay <double> ..F.A... set delay in milliseconds (from to ) (default )
decay <double> ..F.A... set decay (from to 0.99) (default 0.4)
speed <double> ..F.A... set modulation speed (from 0.1 to ) (default 0.5)
type <int> ..F.A... set modulation type (from to ) (default )
triangular ..F.A...
t ..F.A...
sinusoidal ..F.A...
s ..F.A... aresample AVOptions:
sample_rate <int> ..F.A... (from to INT_MAX) (default ) SWResampler AVOptions:
-ich <int> ....A... set input channel count (from to ) (default )
-in_channel_count <int> ....A... set input channel count (from to ) (default )
-och <int> ....A... set output channel count (from to ) (default )
-out_channel_count <int> ....A... set output channel count (from to ) (default )
-uch <int> ....A... set used channel count (from to ) (default )
-used_channel_count <int> ....A... set used channel count (from to ) (default )
-isr <int> ....A... set input sample rate (from to INT_MAX) (default )
-in_sample_rate <int> ....A... set input sample rate (from to INT_MAX) (default )
-osr <int> ....A... set output sample rate (from to INT_MAX) (default )
-out_sample_rate <int> ....A... set output sample rate (from to INT_MAX) (default )
-isf <sample_fmt> ....A... set input sample format (default none)
-in_sample_fmt <sample_fmt> ....A... set input sample format (default none)
-osf <sample_fmt> ....A... set output sample format (default none)
-out_sample_fmt <sample_fmt> ....A... set output sample format (default none)
-tsf <sample_fmt> ....A... set internal sample format (default none)
-internal_sample_fmt <sample_fmt> ....A... set internal sample format (default none)
-icl <channel_layout> ....A... set input channel layout (default 0x0)
-in_channel_layout <channel_layout> ....A... set input channel layout (default 0x0)
-ocl <channel_layout> ....A... set output channel layout (default 0x0)
-out_channel_layout <channel_layout> ....A... set output channel layout (default 0x0)
-clev <float> ....A... set center mix level (from - to ) (default 0.707107)
-center_mix_level <float> ....A... set center mix level (from - to ) (default 0.707107)
-slev <float> ....A... set surround mix level (from - to ) (default 0.707107)
-surround_mix_level <float> ....A... set surround mix Level (from - to ) (default 0.707107)
-lfe_mix_level <float> ....A... set LFE mix level (from - to ) (default )
-rmvol <float> ....A... set rematrix volume (from - to ) (default )
-rematrix_volume <float> ....A... set rematrix volume (from - to ) (default )
-rematrix_maxval <float> ....A... set rematrix maxval (from to ) (default )
-flags <flags> ....A... set flags (default )
res ....A... force resampling
-swr_flags <flags> ....A... set flags (default )
res ....A... force resampling
-dither_scale <float> ....A... set dither scale (from to INT_MAX) (default )
-dither_method <int> ....A... set dither method (from to ) (default )
rectangular ....A... select rectangular dither
triangular ....A... select triangular dither
triangular_hp ....A... select triangular dither with high pass
lipshitz ....A... select lipshitz noise shaping dither
shibata ....A... select shibata noise shaping dither
low_shibata ....A... select low shibata noise shaping dither
high_shibata ....A... select high shibata noise shaping dither
f_weighted ....A... select f-weighted noise shaping dither
modified_e_weighted ....A... select modified-e-weighted noise shaping dither
improved_e_weighted ....A... select improved-e-weighted noise shaping dither
-filter_size <int> ....A... set swr resampling filter size (from to INT_MAX) (default )
-phase_shift <int> ....A... set swr resampling phase shift (from to ) (default )
-linear_interp <int> ....A... enable linear interpolation (from to ) (default )
-cutoff <double> ....A... set cutoff frequency ratio (from to ) (default )
-resample_cutoff <double> ....A... set cutoff frequency ratio (from to ) (default )
-resampler <int> ....A... set resampling Engine (from to ) (default )
swr ....A... select SW Resampler
soxr ....A... select SoX Resampler
-precision <double> ....A... set soxr resampling precision (in bits) (from to ) (default )
-cheby <int> ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from to ) (default )
-min_comp <float> ....A... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from to FLT_MAX) (default FLT_MAX)
-min_hard_comp <float> ....A... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from to INT_MAX) (default 0.1)
-comp_duration <float> ....A... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from to INT_MAX) (default )
-max_soft_comp <float> ....A... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default )
-async <float> ....A... simplified parameter audio timestamp matching, (disabled), (filling and trimming), >(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default )
-first_pts <int64> ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
-matrix_encoding <int> ....A... set matrixed stereo encoding (from to ) (default )
none ....A... select none
dolby ....A... select Dolby
dplii ....A... select Dolby Pro Logic II
-filter_type <int> ....A... select swr filter type (from to ) (default )
cubic ....A... select cubic
blackman_nuttall ....A... select Blackman Nuttall Windowed Sinc
kaiser ....A... select Kaiser Windowed Sinc
-kaiser_beta <int> ....A... set swr Kaiser Window Beta (from to ) (default )
-output_sample_bits <int> ....A... set swr number of output sample bits (from to ) (default ) aselect AVOptions:
expr <string> ..F.A... set an expression to use for selecting frames (default "")
e <string> ..F.A... set an expression to use for selecting frames (default "")
outputs <int> ..F.A... set the number of outputs (from to INT_MAX) (default )
n <int> ..F.A... set the number of outputs (from to INT_MAX) (default ) asendcmd AVOptions:
commands <string> ..FVA... set commands
c <string> ..FVA... set commands
filename <string> ..FVA... set commands file
f <string> ..FVA... set commands file asetnsamples AVOptions:
nb_out_samples <int> ..F.A... set the number of per-frame output samples (from to INT_MAX) (default )
n <int> ..F.A... set the number of per-frame output samples (from to INT_MAX) (default )
pad <int> ..F.A... pad last frame with zeros (from to ) (default )
p <int> ..F.A... pad last frame with zeros (from to ) (default ) asetpts AVOptions:
expr <string> ..FVA... Expression determining the frame timestamp (default "PTS") asetrate AVOptions:
sample_rate <int> ..F.A... set the sample rate (from to INT_MAX) (default )
r <int> ..F.A... set the sample rate (from to INT_MAX) (default ) asettb AVOptions:
expr <string> ..F.A... set expression determining the output timebase (default "intb")
tb <string> ..F.A... set expression determining the output timebase (default "intb") asplit AVOptions:
-outputs <int> ...VA... set number of outputs (from to INT_MAX) (default ) astats AVOptions:
length <double> ..F.A... set the window length (from 0.01 to ) (default 0.05) astreamsync AVOptions:
expr <string> ..F.A... set stream selection expression (default "t1-t2")
e <string> ..F.A... set stream selection expression (default "t1-t2") atempo AVOptions:
tempo <double> ..F.A... set tempo scale factor (from 0.5 to ) (default ) atrim AVOptions:
starti <duration> ..F.A... Timestamp of the first frame that should be passed (default I64_MAX)
endi <duration> ..F.A... Timestamp of the first frame that should be dropped again (default I64_MAX)
start_pts <int64> ..F.A... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN)
end_pts <int64> ..F.A... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
durationi <duration> ..F.A... Maximum duration of the output (default )
start_sample <int64> ..F.A... Number of the first audio sample that should be passed to the output (from - to I64_MAX) (default -)
end_sample <int64> ..F.A... Number of the first audio sample that should be dropped again (from to I64_MAX) (default I64_MAX)
start <double> ..F.A... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
end <double> ..F.A... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
duration <double> ..F.A... Maximum duration of the output in seconds (from to DBL_MAX) (default ) bandpass AVOptions:
frequency <double> ..F.A... set central frequency (from to ) (default )
f <double> ..F.A... set central frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set band-width (from to ) (default 0.5)
w <double> ..F.A... set band-width (from to ) (default 0.5)
csg <int> ..F.A... use constant skirt gain (from to ) (default ) bandreject AVOptions:
frequency <double> ..F.A... set central frequency (from to ) (default )
f <double> ..F.A... set central frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set band-width (from to ) (default 0.5)
w <double> ..F.A... set band-width (from to ) (default 0.5) bass AVOptions:
frequency <double> ..F.A... set central frequency (from to ) (default )
f <double> ..F.A... set central frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set shelf transition steep (from to ) (default 0.5)
w <double> ..F.A... set shelf transition steep (from to ) (default 0.5)
gain <double> ..F.A... set gain (from - to ) (default )
g <double> ..F.A... set gain (from - to ) (default ) biquad AVOptions:
a0 <double> ..F.A... (from - to ) (default )
a1 <double> ..F.A... (from - to ) (default )
a2 <double> ..F.A... (from - to ) (default )
b0 <double> ..F.A... (from - to ) (default )
b1 <double> ..F.A... (from - to ) (default )
b2 <double> ..F.A... (from - to ) (default ) channelmap AVOptions:
map <string> ..F.A... A comma-separated list of input channel numbers in output order.
channel_layout <string> ..F.A... Output channel layout. channelsplit AVOptions:
channel_layout <string> ..F.A... Input channel layout. (default "stereo") compand AVOptions:
attacks <string> ..F.A... set time over which increase of volume is determined (default "0.3")
decays <string> ..F.A... set time over which decrease of volume is determined (default "0.8")
points <string> ..F.A... set points of transfer function (default "-70/-70|-60/-20")
soft-knee <double> ..F.A... set soft-knee (from 0.01 to ) (default 0.01)
gain <double> ..F.A... set output gain (from - to ) (default )
volume <double> ..F.A... set initial volume (from - to ) (default )
delay <double> ..F.A... set delay for samples before sending them to volume adjuster (from to ) (default ) equalizer AVOptions:
frequency <double> ..F.A... set central frequency (from to ) (default )
f <double> ..F.A... set central frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set band-width (from to ) (default )
w <double> ..F.A... set band-width (from to ) (default )
gain <double> ..F.A... set gain (from - to ) (default )
g <double> ..F.A... set gain (from - to ) (default ) highpass AVOptions:
frequency <double> ..F.A... set frequency (from to ) (default )
f <double> ..F.A... set frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set width (from to ) (default 0.707)
w <double> ..F.A... set width (from to ) (default 0.707)
poles <int> ..F.A... set number of poles (from to ) (default )
p <int> ..F.A... set number of poles (from to ) (default ) join AVOptions:
inputs <int> ..F.A... Number of input streams. (from to INT_MAX) (default )
channel_layout <string> ..F.A... Channel layout of the output stream. (default "stereo")
map <string> ..F.A... A comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel. lowpass AVOptions:
frequency <double> ..F.A... set frequency (from to ) (default )
f <double> ..F.A... set frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set width (from to ) (default 0.707)
w <double> ..F.A... set width (from to ) (default 0.707)
poles <int> ..F.A... set number of poles (from to ) (default )
p <int> ..F.A... set number of poles (from to ) (default ) pan AVOptions:
args <string> ..F.A... silencedetect AVOptions:
n <double> ..F.A... set noise tolerance (from to DBL_MAX) (default 0.001)
noise <double> ..F.A... set noise tolerance (from to DBL_MAX) (default 0.001)
d <double> ..F.A... set minimum duration in seconds (from to ) (default )
duration <double> ..F.A... set minimum duration in seconds (from to ) (default ) treble AVOptions:
frequency <double> ..F.A... set central frequency (from to ) (default )
f <double> ..F.A... set central frequency (from to ) (default )
width_type <int> ..F.A... set filter-width type (from to ) (default )
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set shelf transition steep (from to ) (default 0.5)
w <double> ..F.A... set shelf transition steep (from to ) (default 0.5)
gain <double> ..F.A... set gain (from - to ) (default )
g <double> ..F.A... set gain (from - to ) (default ) volume AVOptions:
volume <string> ..F.A... set volume adjustment expression (default "1.0")
precision <int> ..F.A... select mathematical precision (from to ) (default )
fixed ..F.A... select -bit fixed-point
float ..F.A... select -bit floating-point
double ..F.A... select -bit floating-point
eval <int> ..F.A... specify when to evaluate expressions (from to ) (default )
once ..F.A... eval volume expression once
frame ..F.A... eval volume expression per-frame aevalsrc AVOptions:
exprs <string> ..F.A... set the '|'-separated list of channels expressions
nb_samples <int> ..F.A... set the number of samples per requested frame (from to INT_MAX) (default )
n <int> ..F.A... set the number of samples per requested frame (from to INT_MAX) (default )
sample_rate <string> ..F.A... set the sample rate (default "")
s <string> ..F.A... set the sample rate (default "")
duration <duration> ..F.A... set audio duration (default -)
d <duration> ..F.A... set audio duration (default -)
channel_layout <string> ..F.A... set channel layout
c <string> ..F.A... set channel layout anullsrc AVOptions:
channel_layout <string> ..F.A... set channel_layout (default "stereo")
cl <string> ..F.A... set channel_layout (default "stereo")
sample_rate <string> ..F.A... set sample rate (default "")
r <string> ..F.A... set sample rate (default "")
nb_samples <int> ..F.A... set the number of samples per requested frame (from to INT_MAX) (default )
n <int> ..F.A... set the number of samples per requested frame (from to INT_MAX) (default ) sine AVOptions:
frequency <double> ..F.A... set the sine frequency (from to DBL_MAX) (default )
f <double> ..F.A... set the sine frequency (from to DBL_MAX) (default )
beep_factor <double> ..F.A... set the beep fequency factor (from to DBL_MAX) (default )
b <double> ..F.A... set the beep fequency factor (from to DBL_MAX) (default )
sample_rate <int> ..F.A... set the sample rate (from to INT_MAX) (default )
r <int> ..F.A... set the sample rate (from to INT_MAX) (default )
duration <duration> ..F.A... set the audio duration (default )
d <duration> ..F.A... set the audio duration (default )
samples_per_frame <int> ..F.A... set the number of samples per frame (from to INT_MAX) (default ) bbox AVOptions:
min_val <int> ..FV.... set minimum luminance value for bounding box (from to ) (default ) blackdetect AVOptions:
d <double> ..FV.... set minimum detected black duration in seconds (from to DBL_MAX) (default )
black_min_duration <double> ..FV.... set minimum detected black duration in seconds (from to DBL_MAX) (default )
picture_black_ratio_th <double> ..FV.... set the picture black ratio threshold (from to ) (default 0.98)
pic_th <double> ..FV.... set the picture black ratio threshold (from to ) (default 0.98)
pixel_black_th <double> ..FV.... set the pixel black threshold (from to ) (default 0.1)
pix_th <double> ..FV.... set the pixel black threshold (from to ) (default 0.1) blend AVOptions:
c0_mode <int> ..FV.... set component # blend mode (from to ) (default )
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
divide ..FV....
dodge ..FV....
exclusion ..FV....
hardlight ..FV....
lighten ..FV....
multiply ..FV....
negation ..FV....
normal ..FV....
or ..FV....
overlay ..FV....
phoenix ..FV....
pinlight ..FV....
reflect ..FV....
screen ..FV....
softlight ..FV....
subtract ..FV....
vividlight ..FV....
xor ..FV....
c1_mode <int> ..FV.... set component # blend mode (from to ) (default )
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
divide ..FV....
dodge ..FV....
exclusion ..FV....
hardlight ..FV....
lighten ..FV....
multiply ..FV....
negation ..FV....
normal ..FV....
or ..FV....
overlay ..FV....
phoenix ..FV....
pinlight ..FV....
reflect ..FV....
screen ..FV....
softlight ..FV....
subtract ..FV....
vividlight ..FV....
xor ..FV....
c2_mode <int> ..FV.... set component # blend mode (from to ) (default )
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
divide ..FV....
dodge ..FV....
exclusion ..FV....
hardlight ..FV....
lighten ..FV....
multiply ..FV....
negation ..FV....
normal ..FV....
or ..FV....
overlay ..FV....
phoenix ..FV....
pinlight ..FV....
reflect ..FV....
screen ..FV....
softlight ..FV....
subtract ..FV....
vividlight ..FV....
xor ..FV....
c3_mode <int> ..FV.... set component # blend mode (from to ) (default )
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
divide ..FV....
dodge ..FV....
exclusion ..FV....
hardlight ..FV....
lighten ..FV....
multiply ..FV....
negation ..FV....
normal ..FV....
or ..FV....
overlay ..FV....
phoenix ..FV....
pinlight ..FV....
reflect ..FV....
screen ..FV....
softlight ..FV....
subtract ..FV....
vividlight ..FV....
xor ..FV....
all_mode <int> ..FV.... set blend mode for all components (from - to ) (default -)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
divide ..FV....
dodge ..FV....
exclusion ..FV....
hardlight ..FV....
lighten ..FV....
multiply ..FV....
negation ..FV....
normal ..FV....
or ..FV....
overlay ..FV....
phoenix ..FV....
pinlight ..FV....
reflect ..FV....
screen ..FV....
softlight ..FV....
subtract ..FV....
vividlight ..FV....
xor ..FV....
c0_expr <string> ..FV.... set color component # expression
c1_expr <string> ..FV.... set color component # expression
c2_expr <string> ..FV.... set color component # expression
c3_expr <string> ..FV.... set color component # expression
all_expr <string> ..FV.... set expression for all color components
c0_opacity <double> ..FV.... set color component # opacity (from to ) (default )
c1_opacity <double> ..FV.... set color component # opacity (from to ) (default )
c2_opacity <double> ..FV.... set color component # opacity (from to ) (default )
c3_opacity <double> ..FV.... set color component # opacity (from to ) (default )
all_opacity <double> ..FV.... set opacity for all color components (from to ) (default )
shortest <int> ..FV.... force termination when the shortest input terminates (from to ) (default )
repeatlast <int> ..FV.... repeat last bottom frame (from to ) (default ) colorbalance AVOptions:
rs <double> ..FV.... set red shadows (from - to ) (default )
gs <double> ..FV.... set green shadows (from - to ) (default )
bs <double> ..FV.... set blue shadows (from - to ) (default )
rm <double> ..FV.... set red midtones (from - to ) (default )
gm <double> ..FV.... set green midtones (from - to ) (default )
bm <double> ..FV.... set blue midtones (from - to ) (default )
rh <double> ..FV.... set red highlights (from - to ) (default )
gh <double> ..FV.... set green highlights (from - to ) (default )
bh <double> ..FV.... set blue highlights (from - to ) (default ) colorchannelmixer AVOptions:
rr <double> ..FV.... set the red gain for the red channel (from - to ) (default )
rg <double> ..FV.... set the green gain for the red channel (from - to ) (default )
rb <double> ..FV.... set the blue gain for the red channel (from - to ) (default )
ra <double> ..FV.... set the alpha gain for the red channel (from - to ) (default )
gr <double> ..FV.... set the red gain for the green channel (from - to ) (default )
gg <double> ..FV.... set the green gain for the green channel (from - to ) (default )
gb <double> ..FV.... set the blue gain for the green channel (from - to ) (default )
ga <double> ..FV.... set the alpha gain for the green channel (from - to ) (default )
br <double> ..FV.... set the red gain for the blue channel (from - to ) (default )
bg <double> ..FV.... set the green gain for the blue channel (from - to ) (default )
bb <double> ..FV.... set the blue gain for the blue channel (from - to ) (default )
ba <double> ..FV.... set the alpha gain for the blue channel (from - to ) (default )
ar <double> ..FV.... set the red gain for the alpha channel (from - to ) (default )
ag <double> ..FV.... set the green gain for the alpha channel (from - to ) (default )
ab <double> ..FV.... set the blue gain for the alpha channel (from - to ) (default )
aa <double> ..FV.... set the alpha gain for the alpha channel (from - to ) (default ) crop AVOptions:
out_w <string> ..FV.... set the width crop area expression (default "iw")
w <string> ..FV.... set the width crop area expression (default "iw")
out_h <string> ..FV.... set the height crop area expression (default "ih")
h <string> ..FV.... set the height crop area expression (default "ih")
x <string> ..FV.... set the x crop area expression (default "(in_w-out_w)/2")
y <string> ..FV.... set the y crop area expression (default "(in_h-out_h)/2")
keep_aspect <int> ..FV.... keep aspect ratio (from to ) (default ) curves AVOptions:
preset <int> ..FV.... select a color curves preset (from to ) (default )
none ..FV....
color_negative ..FV....
cross_process ..FV....
darker ..FV....
increase_contrast ..FV....
lighter ..FV....
linear_contrast ..FV....
medium_contrast ..FV....
negative ..FV....
strong_contrast ..FV....
vintage ..FV....
master <string> ..FV.... set master points coordinates
m <string> ..FV.... set master points coordinates
red <string> ..FV.... set red points coordinates
r <string> ..FV.... set red points coordinates
green <string> ..FV.... set green points coordinates
g <string> ..FV.... set green points coordinates
blue <string> ..FV.... set blue points coordinates
b <string> ..FV.... set blue points coordinates
all <string> ..FV.... set points coordinates for all components
psfile <string> ..FV.... set Photoshop curves file name dctdnoiz AVOptions:
sigma <float> ..FV.... set noise sigma constant (from to ) (default )
s <float> ..FV.... set noise sigma constant (from to ) (default )
overlap <int> ..FV.... set number of block overlapping pixels (from to ) (default )
expr <string> ..FV.... set coefficient factor expression
e <string> ..FV.... set coefficient factor expression decimate AVOptions:
cycle <int> ..FV.... set the number of frame from which one will be dropped (from to ) (default )
dupthresh <double> ..FV.... set duplicate threshold (from to ) (default 1.1)
scthresh <double> ..FV.... set scene change threshold (from to ) (default )
blockx <int> ..FV.... set the size of the x-axis blocks used during metric calculations (from to ) (default )
blocky <int> ..FV.... set the size of the y-axis blocks used during metric calculations (from to ) (default )
ppsrc <int> ..FV.... mark main input as a pre-processed input and activate clean source input stream (from to ) (default )
chroma <int> ..FV.... set whether or not chroma is considered in the metric calculations (from to ) (default ) dejudder AVOptions:
cycle <int> ..FV.... set the length of the cycle to use for dejuddering (from to ) (default ) deshake AVOptions:
x <int> ..FV.... set x for the rectangular search area (from - to INT_MAX) (default -)
y <int> ..FV.... set y for the rectangular search area (from - to INT_MAX) (default -)
w <int> ..FV.... set width for the rectangular search area (from - to INT_MAX) (default -)
h <int> ..FV.... set height for the rectangular search area (from - to INT_MAX) (default -)
rx <int> ..FV.... set x for the rectangular search area (from to ) (default )
ry <int> ..FV.... set y for the rectangular search area (from to ) (default )
edge <int> ..FV.... set edge mode (from to ) (default )
blank ..FV.... fill zeroes at blank locations
original ..FV.... original image at blank locations
clamp ..FV.... extruded edge value at blank locations
mirror ..FV.... mirrored edge at blank locations
blocksize <int> ..FV.... set motion search blocksize (from to ) (default )
contrast <int> ..FV.... set contrast threshold for blocks (from to ) (default )
search <int> ..FV.... set search strategy (from to ) (default )
exhaustive ..FV.... exhaustive search
less ..FV.... less exhaustive search
filename <string> ..FV.... set motion search detailed log file name
opencl <int> ..FV.... use OpenCL filtering capabilities (from to ) (default ) drawbox AVOptions:
x <string> ..FV.... set horizontal position of the left box edge (default "")
y <string> ..FV.... set vertical position of the top box edge (default "")
width <string> ..FV.... set width of the box (default "")
w <string> ..FV.... set width of the box (default "")
height <string> ..FV.... set height of the box (default "")
h <string> ..FV.... set height of the box (default "")
color <string> ..FV.... set color of the box (default "black")
c <string> ..FV.... set color of the box (default "black")
thickness <string> ..FV.... set the box thickness (default "")
t <string> ..FV.... set the box thickness (default "") drawgrid AVOptions:
x <string> ..FV.... set horizontal offset (default "")
y <string> ..FV.... set vertical offset (default "")
width <string> ..FV.... set width of grid cell (default "")
w <string> ..FV.... set width of grid cell (default "")
height <string> ..FV.... set height of grid cell (default "")
h <string> ..FV.... set height of grid cell (default "")
color <string> ..FV.... set color of the grid (default "black")
c <string> ..FV.... set color of the grid (default "black")
thickness <string> ..FV.... set grid line thickness (default "")
t <string> ..FV.... set grid line thickness (default "") edgedetect AVOptions:
high <double> ..FV.... set high threshold (from to ) (default 0.196078)
low <double> ..FV.... set low threshold (from to ) (default 0.0784314) elbg AVOptions:
codebook_length <int> ..FV.... set codebook length (from to INT_MAX) (default )
l <int> ..FV.... set codebook length (from to INT_MAX) (default )
nb_steps <int> ..FV.... set max number of steps used to compute the mapping (from to INT_MAX) (default )
n <int> ..FV.... set max number of steps used to compute the mapping (from to INT_MAX) (default )
seed <int> ..FV.... set the random seed (from - to UINT32_MAX) (default -)
s <int> ..FV.... set the random seed (from - to UINT32_MAX) (default -) extractplanes AVOptions:
planes <flags> ..FV.... set planes (default )
y ..FV.... set luma plane
u ..FV.... set u plane
v ..FV.... set v plane
r ..FV.... set red plane
g ..FV.... set green plane
b ..FV.... set blue plane
a ..FV.... set alpha plane fade AVOptions:
type <int> ..FV.... 'in' or 'out' for fade-in/fade-out (from to ) (default )
t <int> ..FV.... 'in' or 'out' for fade-in/fade-out (from to ) (default )
start_frame <int> ..FV.... Number of the first frame to which to apply the effect. (from to INT_MAX) (default )
s <int> ..FV.... Number of the first frame to which to apply the effect. (from to INT_MAX) (default )
nb_frames <int> ..FV.... Number of frames to which the effect should be applied. (from to INT_MAX) (default )
n <int> ..FV.... Number of frames to which the effect should be applied. (from to INT_MAX) (default )
alpha <int> ..FV.... fade alpha if it is available on the input (from to ) (default )
start_time <duration> ..FV.... Number of seconds of the beginning of the effect. (default )
st <duration> ..FV.... Number of seconds of the beginning of the effect. (default )
duration <duration> ..FV.... Duration of the effect in seconds. (default )
d <duration> ..FV.... Duration of the effect in seconds. (default )
color <color> ..FV.... set color (default "black")
c <color> ..FV.... set color (default "black") field AVOptions:
type <int> ..FV.... set field type (top or bottom) (from to ) (default )
top ..FV.... select top field
bottom ..FV.... select bottom field fieldmatch AVOptions:
order <int> ..FV.... specify the assumed field order (from - to ) (default -)
auto ..FV.... auto detect parity
bff ..FV.... assume bottom field first
tff ..FV.... assume top field first
mode <int> ..FV.... set the matching mode or strategy to use (from to ) (default )
pc ..FV.... -way match (p/c)
pc_n ..FV.... -way match + 3rd match on combed (p/c + u)
pc_u ..FV.... -way match + 3rd match (same order) on combed (p/c + u)
pc_n_ub ..FV.... -way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b)
pcn ..FV.... -way match (p/c/n)
pcn_ub ..FV.... -way match + 4th/5th matches on combed (p/c/n + u/b)
ppsrc <int> ..FV.... mark main input as a pre-processed input and activate clean source input stream (from to ) (default )
field <int> ..FV.... set the field to match from (from - to ) (default -)
auto ..FV.... automatic (same value as 'order')
bottom ..FV.... bottom field
top ..FV.... top field
mchroma <int> ..FV.... set whether or not chroma is included during the match comparisons (from to ) (default )
y0 <int> ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from to INT_MAX) (default )
y1 <int> ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from to INT_MAX) (default )
scthresh <double> ..FV.... set scene change detection threshold (from to ) (default )
combmatch <int> ..FV.... set combmatching mode (from to ) (default )
none ..FV.... disable combmatching
sc ..FV.... enable combmatching only on scene change
full ..FV.... enable combmatching all the time
combdbg <int> ..FV.... enable comb debug (from to ) (default )
none ..FV.... no forced calculation
pcn ..FV.... calculate p/c/n
pcnub ..FV.... calculate p/c/n/u/b
cthresh <int> ..FV.... set the area combing threshold used for combed frame detection (from - to ) (default )
chroma <int> ..FV.... set whether or not chroma is considered in the combed frame decision (from to ) (default )
blockx <int> ..FV.... set the x-axis size of the window used during combed frame detection (from to ) (default )
blocky <int> ..FV.... set the y-axis size of the window used during combed frame detection (from to ) (default )
combpel <int> ..FV.... set the number of combed pixels inside any of the blocky by blockx size blocks on the frame for the frame to be detected as combed (from to INT_MAX) (default ) fieldorder AVOptions:
order <int> ..FV.... output field order (from to ) (default )
bff ..FV.... bottom field first
tff ..FV.... top field first format AVOptions:
-pix_fmts <string> ...V.... A '|'-separated list of pixel formats fps AVOptions:
fps <video_rate> ..FV.... A string describing desired output framerate (default "")
-start_time <double> ...V.... Assume the first PTS should be this value. (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
round <int> ..FV.... set rounding method for timestamps (from to ) (default )
zero ..FV.... round towards
inf ..FV.... round away from
down ..FV.... round towards -infty
up ..FV.... round towards +infty
near ..FV.... round to nearest framepack AVOptions:
-format <int> ...V.... Frame pack output format (from to INT_MAX) (default )
sbs ...V.... Views are packed next to each other
tab ...V.... Views are packed on top of each other
frameseq ...V.... Views are one after the other
lines ...V.... Views are interleaved by lines
columns ...V.... Views are interleaved by columns framestep AVOptions:
step <int> ..FV.... set frame step (from to INT_MAX) (default ) gradfun AVOptions:
strength <float> ..FV.... The maximum amount by which the filter will change any one pixel. (from 0.51 to ) (default 1.2)
radius <int> ..FV.... The neighborhood to fit the gradient to. (from to ) (default ) haldclut AVOptions:
shortest <int> ..FV.... force termination when the shortest input terminates (from to ) (default )
repeatlast <int> ..FV.... continue applying the last clut after eos (from to ) (default )
interp <int> ..FV.... select interpolation mode (from to ) (default )
nearest ..FV.... use values from the nearest defined points
trilinear ..FV.... interpolate values using the points defining a cube
tetrahedral ..FV.... interpolate values using a tetrahedron histogram AVOptions:
mode <int> ..FV.... set histogram mode (from to ) (default )
levels ..FV.... standard histogram
waveform ..FV.... per row/column luminance graph
color ..FV.... chroma values in vectorscope
color2 ..FV.... chroma values in vectorscope
level_height <int> ..FV.... set level height (from to ) (default )
scale_height <int> ..FV.... set scale height (from to ) (default )
step <int> ..FV.... set waveform step value (from to ) (default )
waveform_mode <int> ..FV.... set waveform mode (from to ) (default )
row ..FV....
column ..FV....
waveform_mirror <int> ..FV.... set waveform mirroring (from to ) (default )
display_mode <int> ..FV.... set display mode (from to ) (default )
parade ..FV....
overlay ..FV....
levels_mode <int> ..FV.... set levels mode (from to ) (default )
linear ..FV....
logarithmic ..FV.... hue AVOptions:
h <string> ..FV.... set the hue angle degrees expression
s <string> ..FV.... set the saturation expression (default "")
H <string> ..FV.... set the hue angle radians expression
b <string> ..FV.... set the brightness expression (default "") idet AVOptions:
intl_thres <float> ..FV.... set interlacing threshold (from - to FLT_MAX) (default 1.04)
prog_thres <float> ..FV.... set progressive threshold (from - to FLT_MAX) (default 1.5) il AVOptions:
luma_mode <int> ..FV.... select luma mode (from to ) (default )
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
l <int> ..FV.... select luma mode (from to ) (default )
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
chroma_mode <int> ..FV.... select chroma mode (from to ) (default )
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
c <int> ..FV.... select chroma mode (from to ) (default )
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
alpha_mode <int> ..FV.... select alpha mode (from to ) (default )
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
a <int> ..FV.... select alpha mode (from to ) (default )
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
luma_swap <int> ..FV.... swap luma fields (from to ) (default )
ls <int> ..FV.... swap luma fields (from to ) (default )
chroma_swap <int> ..FV.... swap chroma fields (from to ) (default )
cs <int> ..FV.... swap chroma fields (from to ) (default )
alpha_swap <int> ..FV.... swap alpha fields (from to ) (default )
as <int> ..FV.... swap alpha fields (from to ) (default ) interleave AVOptions:
nb_inputs <int> ..FV.... set number of inputs (from to INT_MAX) (default )
n <int> ..FV.... set number of inputs (from to INT_MAX) (default ) lut3d AVOptions:
file <string> ..FV.... set 3D LUT file name
interp <int> ..FV.... select interpolation mode (from to ) (default )
nearest ..FV.... use values from the nearest defined points
trilinear ..FV.... interpolate values using the points defining a cube
tetrahedral ..FV.... interpolate values using a tetrahedron lut AVOptions:
c0 <string> ..FV.... set component # expression (default "val")
c1 <string> ..FV.... set component # expression (default "val")
c2 <string> ..FV.... set component # expression (default "val")
c3 <string> ..FV.... set component # expression (default "val")
y <string> ..FV.... set Y expression (default "val")
u <string> ..FV.... set U expression (default "val")
v <string> ..FV.... set V expression (default "val")
r <string> ..FV.... set R expression (default "val")
g <string> ..FV.... set G expression (default "val")
b <string> ..FV.... set B expression (default "val")
a <string> ..FV.... set A expression (default "val") lutrgb AVOptions:
c0 <string> ..FV.... set component # expression (default "val")
c1 <string> ..FV.... set component # expression (default "val")
c2 <string> ..FV.... set component # expression (default "val")
c3 <string> ..FV.... set component # expression (default "val")
y <string> ..FV.... set Y expression (default "val")
u <string> ..FV.... set U expression (default "val")
v <string> ..FV.... set V expression (default "val")
r <string> ..FV.... set R expression (default "val")
g <string> ..FV.... set G expression (default "val")
b <string> ..FV.... set B expression (default "val")
a <string> ..FV.... set A expression (default "val") lutyuv AVOptions:
c0 <string> ..FV.... set component # expression (default "val")
c1 <string> ..FV.... set component # expression (default "val")
c2 <string> ..FV.... set component # expression (default "val")
c3 <string> ..FV.... set component # expression (default "val")
y <string> ..FV.... set Y expression (default "val")
u <string> ..FV.... set U expression (default "val")
v <string> ..FV.... set V expression (default "val")
r <string> ..FV.... set R expression (default "val")
g <string> ..FV.... set G expression (default "val")
b <string> ..FV.... set B expression (default "val")
a <string> ..FV.... set A expression (default "val") mergeplanes AVOptions:
mapping <int> ..FV.... set input to output plane mapping (from to 8.58993e+008) (default )
format <pix_fmt> ..FV.... set output pixel format (default yuva444p) negate AVOptions:
negate_alpha <int> ..FV.... (from to ) (default ) noformat AVOptions:
-pix_fmts <string> ...V.... A '|'-separated list of pixel formats noise AVOptions:
all_seed <int> ..FV.... set component # noise seed (from - to INT_MAX) (default -)
all_strength <int> ..FV.... set component # strength (from to ) (default )
alls <int> ..FV.... set component # strength (from to ) (default )
all_flags <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
allf <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c0_seed <int> ..FV.... set component # noise seed (from - to INT_MAX) (default -)
c0_strength <int> ..FV.... set component # strength (from to ) (default )
c0s <int> ..FV.... set component # strength (from to ) (default )
c0_flags <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c0f <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c1_seed <int> ..FV.... set component # noise seed (from - to INT_MAX) (default -)
c1_strength <int> ..FV.... set component # strength (from to ) (default )
c1s <int> ..FV.... set component # strength (from to ) (default )
c1_flags <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c1f <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c2_seed <int> ..FV.... set component # noise seed (from - to INT_MAX) (default -)
c2_strength <int> ..FV.... set component # strength (from to ) (default )
c2s <int> ..FV.... set component # strength (from to ) (default )
c2_flags <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c2f <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c3_seed <int> ..FV.... set component # noise seed (from - to INT_MAX) (default -)
c3_strength <int> ..FV.... set component # strength (from to ) (default )
c3s <int> ..FV.... set component # strength (from to ) (default )
c3_flags <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c3f <flags> ..FV.... set component # flags (default )
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise overlay AVOptions:
x <string> ..FV.... set the x expression (default "")
y <string> ..FV.... set the y expression (default "")
eof_action <int> ..FV.... Action to take when encountering EOF from secondary input (from to ) (default )
repeat ..FV.... Repeat the previous frame.
endall ..FV.... End both streams.
pass ..FV.... Pass through the main input.
eval <int> ..FV.... specify when to evaluate expressions (from to ) (default )
init ..FV.... eval expressions once during initialization
frame ..FV.... eval expressions per-frame
rgb <int> ..FV.... force packed RGB in input and output (deprecated) (from to ) (default )
shortest <int> ..FV.... force termination when the shortest input terminates (from to ) (default )
format <int> ..FV.... set output format (from to ) (default )
yuv420 ..FV....
yuv422 ..FV....
yuv444 ..FV....
rgb ..FV....
repeatlast <int> ..FV.... repeat overlay of the last overlay frame (from to ) (default ) pad AVOptions:
width <string> ..FV.... set the pad area width expression (default "iw")
w <string> ..FV.... set the pad area width expression (default "iw")
height <string> ..FV.... set the pad area height expression (default "ih")
h <string> ..FV.... set the pad area height expression (default "ih")
x <string> ..FV.... set the x offset expression for the input image position (default "")
y <string> ..FV.... set the y offset expression for the input image position (default "")
color <color> ..FV.... set the color of the padded area border (default "black") perms AVOptions:
mode <int> ..FVA... select permissions mode (from to ) (default )
none ..FVA... do nothing
ro ..FVA... set all output frames read-only
rw ..FVA... set all output frames writable
toggle ..FVA... switch permissions
random ..FVA... set permissions randomly
seed <int64> ..FVA... set the seed for the random mode (from - to UINT32_MAX) (default -) psnr AVOptions:
stats_file <string> ..FV.... Set file where to store per-frame difference information
f <string> ..FV.... Set file where to store per-frame difference information removelogo AVOptions:
filename <string> ..FV.... set bitmap filename
f <string> ..FV.... set bitmap filename rotate AVOptions:
angle <string> ..FV.... set angle (in radians) (default "")
a <string> ..FV.... set angle (in radians) (default "")
out_w <string> ..FV.... set output width expression (default "iw")
ow <string> ..FV.... set output width expression (default "iw")
out_h <string> ..FV.... set output height expression (default "ih")
oh <string> ..FV.... set output height expression (default "ih")
fillcolor <string> ..FV.... set background fill color (default "black")
c <string> ..FV.... set background fill color (default "black")
bilinear <int> ..FV.... use bilinear interpolation (from to ) (default ) scale AVOptions:
w <string> ..FV.... Output video width
width <string> ..FV.... Output video width
h <string> ..FV.... Output video height
height <string> ..FV.... Output video height
flags <string> ..FV.... Flags to pass to libswscale (default "bilinear")
interl <int> ..FV.... set interlacing (from - to ) (default )
in_color_matrix <string> ..FV.... set input YCbCr type (default "auto")
out_color_matrix <string> ..FV.... set output YCbCr type
in_range <int> ..FV.... set input color range (from to ) (default )
auto ..FV....
full ..FV....
jpeg ..FV....
mpeg ..FV....
tv ..FV....
pc ..FV....
out_range <int> ..FV.... set output color range (from to ) (default )
auto ..FV....
full ..FV....
jpeg ..FV....
mpeg ..FV....
tv ..FV....
pc ..FV....
in_v_chr_pos <int> ..FV.... input vertical chroma position in luma grid/ (from - to ) (default -)
in_h_chr_pos <int> ..FV.... input horizontal chroma position in luma grid/ (from - to ) (default -)
out_v_chr_pos <int> ..FV.... output vertical chroma position in luma grid/ (from - to ) (default -)
out_h_chr_pos <int> ..FV.... output horizontal chroma position in luma grid/ (from - to ) (default -)
force_original_aspect_ratio <int> ..FV.... decrease or increase w/h if necessary to keep the original AR (from to ) (default )
disable ..FV....
decrease ..FV....
increase ..FV.... SWScaler AVOptions:
-sws_flags <flags> E..V.... scaler flags (default )
fast_bilinear E..V.... fast bilinear
bilinear E..V.... bilinear
bicubic E..V.... bicubic
experimental E..V.... experimental
neighbor E..V.... nearest neighbor
area E..V.... averaging area
bicublin E..V.... luma bicubic, chroma bilinear
gauss E..V.... gaussian
sinc E..V.... sinc
lanczos E..V.... lanczos
spline E..V.... natural bicubic spline
print_info E..V.... print info
accurate_rnd E..V.... accurate rounding
full_chroma_int E..V.... full chroma interpolation
full_chroma_inp E..V.... full chroma input
bitexact E..V....
error_diffusion E..V.... error diffusion dither
-srcw <int> E..V.... source width (from to INT_MAX) (default )
-srch <int> E..V.... source height (from to INT_MAX) (default )
-dstw <int> E..V.... destination width (from to INT_MAX) (default )
-dsth <int> E..V.... destination height (from to INT_MAX) (default )
-src_format <int> E..V.... source format (from to ) (default )
-dst_format <int> E..V.... destination format (from to ) (default )
-src_range <int> E..V.... source range (from to ) (default )
-dst_range <int> E..V.... destination range (from to ) (default )
-param0 <double> E..V.... scaler param (from INT_MIN to INT_MAX) (default )
-param1 <double> E..V.... scaler param (from INT_MIN to INT_MAX) (default )
-src_v_chr_pos <int> E..V.... source vertical chroma position in luma grid/ (from - to ) (default -)
-src_h_chr_pos <int> E..V.... source horizontal chroma position in luma grid/ (from - to ) (default -)
-dst_v_chr_pos <int> E..V.... destination vertical chroma position in luma grid/ (from - to ) (default -)
-dst_h_chr_pos <int> E..V.... destination horizontal chroma position in luma grid/ (from - to ) (default -)
-sws_dither <int> E..V.... set dithering algorithm (from to ) (default )
auto E..V.... leave choice to sws
bayer E..V.... bayer dither
ed E..V.... error diffusion select AVOptions:
expr <string> ..FV.... set an expression to use for selecting frames (default "")
e <string> ..FV.... set an expression to use for selecting frames (default "")
outputs <int> ..FV.... set the number of outputs (from to INT_MAX) (default )
n <int> ..FV.... set the number of outputs (from to INT_MAX) (default ) sendcmd AVOptions:
commands <string> ..FVA... set commands
c <string> ..FVA... set commands
filename <string> ..FVA... set commands file
f <string> ..FVA... set commands file setdar AVOptions:
dar <string> ..FV.... set display aspect ratio (default "")
ratio <string> ..FV.... set display aspect ratio (default "")
r <string> ..FV.... set display aspect ratio (default "")
dar_den <float> ..FV.... (from to FLT_MAX) (default )
max <int> ..FV.... set max value for nominator or denominator in the ratio (from to INT_MAX) (default ) setfield AVOptions:
mode <int> ..FV.... select interlace mode (from - to ) (default -)
auto ..FV.... keep the same input field
bff ..FV.... mark as bottom-field-first
tff ..FV.... mark as top-field-first
prog ..FV.... mark as progressive setpts AVOptions:
expr <string> ..FVA... Expression determining the frame timestamp (default "PTS") setsar AVOptions:
sar <string> ..FV.... set sample (pixel) aspect ratio (default "")
ratio <string> ..FV.... set sample (pixel) aspect ratio (default "")
r <string> ..FV.... set sample (pixel) aspect ratio (default "")
sar_den <float> ..FV.... (from to FLT_MAX) (default )
max <int> ..FV.... set max value for nominator or denominator in the ratio (from to INT_MAX) (default ) settb AVOptions:
expr <string> ..FV.... set expression determining the output timebase (default "intb")
tb <string> ..FV.... set expression determining the output timebase (default "intb") split AVOptions:
-outputs <int> ...VA... set number of outputs (from to INT_MAX) (default ) telecine AVOptions:
first_field <int> ..FV.... select first field (from to ) (default )
top ..FV.... select top field first
t ..FV.... select top field first
bottom ..FV.... select bottom field first
b ..FV.... select bottom field first
pattern <string> ..FV.... pattern that describe for how many fields a frame is to be displayed (default "") thumbnail AVOptions:
n <int> ..FV.... set the frames batch size (from to INT_MAX) (default ) tile AVOptions:
layout <image_size> ..FV.... set grid size (default "6x5")
nb_frames <int> ..FV.... set maximum number of frame to render (from to INT_MAX) (default )
margin <int> ..FV.... set outer border margin in pixels (from to ) (default )
padding <int> ..FV.... set inner border thickness in pixels (from to ) (default )
color <color> ..FV.... set the color of the unused area (default "black") transpose AVOptions:
dir <int> ..FV.... set transpose direction (from to ) (default )
passthrough <int> ..FV.... do not apply transposition if the input matches the specified geometry (from to INT_MAX) (default )
none ..FV.... always apply transposition
portrait ..FV.... preserve portrait geometry
landscape ..FV.... preserve landscape geometry trim AVOptions:
starti <duration> ..FV.... Timestamp of the first frame that should be passed (default I64_MAX)
endi <duration> ..FV.... Timestamp of the first frame that should be dropped again (default I64_MAX)
start_pts <int64> ..FV.... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN)
end_pts <int64> ..FV.... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
durationi <duration> ..FV.... Maximum duration of the output (default )
start_frame <int64> ..FV.... Number of the first frame that should be passed to the output (from - to I64_MAX) (default -)
end_frame <int64> ..FV.... Number of the first frame that should be dropped again (from to I64_MAX) (default I64_MAX)
start <double> ..FV.... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
end <double> ..FV.... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
duration <double> ..FV.... Maximum duration of the output in seconds (from to DBL_MAX) (default ) unsharp AVOptions:
luma_msize_x <int> ..FV.... set luma matrix horizontal size (from to ) (default )
lx <int> ..FV.... set luma matrix horizontal size (from to ) (default )
luma_msize_y <int> ..FV.... set luma matrix vertical size (from to ) (default )
ly <int> ..FV.... set luma matrix vertical size (from to ) (default )
luma_amount <float> ..FV.... set luma effect strength (from - to ) (default )
la <float> ..FV.... set luma effect strength (from - to ) (default )
chroma_msize_x <int> ..FV.... set chroma matrix horizontal size (from to ) (default )
cx <int> ..FV.... set chroma matrix horizontal size (from to ) (default )
chroma_msize_y <int> ..FV.... set chroma matrix vertical size (from to ) (default )
cy <int> ..FV.... set chroma matrix vertical size (from to ) (default )
chroma_amount <float> ..FV.... set chroma effect strength (from - to ) (default )
ca <float> ..FV.... set chroma effect strength (from - to ) (default )
opencl <int> ..FV.... use OpenCL filtering capabilities (from to ) (default ) vignette AVOptions:
angle <string> ..FV.... set lens angle (default "PI/5")
a <string> ..FV.... set lens angle (default "PI/5")
x0 <string> ..FV.... set circle center position on x-axis (default "w/2")
y0 <string> ..FV.... set circle center position on y-axis (default "h/2")
mode <int> ..FV.... set forward/backward mode (from to ) (default )
forward ..FV....
backward ..FV....
eval <int> ..FV.... specify when to evaluate expressions (from to ) (default )
init ..FV.... eval expressions once during initialization
frame ..FV.... eval expressions for each frame
dither <int> ..FV.... set dithering (from to ) (default )
aspect <rational> ..FV.... set aspect ratio (from to DBL_MAX) (default /) w3fdif AVOptions:
filter <int> ..FV.... specify the filter (from to ) (default )
simple ..FV....
complex ..FV....
deint <int> ..FV.... specify which frames to deinterlace (from to ) (default )
all ..FV.... deinterlace all frames
interlaced ..FV.... only deinterlace frames marked as interlaced yadif AVOptions:
mode <int> ..FV.... specify the interlacing mode (from to ) (default )
send_frame ..FV.... send one frame for each frame
send_field ..FV.... send one frame for each field
send_frame_nospatial ..FV.... send one frame for each frame, but skip spatial interlacing check
send_field_nospatial ..FV.... send one frame for each field, but skip spatial interlacing check
parity <int> ..FV.... specify the assumed picture field parity (from - to ) (default -)
tff ..FV.... assume top field first
bff ..FV.... assume bottom field first
auto ..FV.... auto detect parity
deint <int> ..FV.... specify which frames to deinterlace (from to ) (default )
all ..FV.... deinterlace all frames
interlaced ..FV.... only deinterlace frames marked as interlaced cellauto AVOptions:
filename <string> ..FV.... read initial pattern from file
f <string> ..FV.... read initial pattern from file
pattern <string> ..FV.... set initial pattern
p <string> ..FV.... set initial pattern
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
size <image_size> ..FV.... set video size
s <image_size> ..FV.... set video size
rule <int> ..FV.... set rule (from to ) (default )
random_fill_ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from to ) (default 0.618034)
ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from to ) (default 0.618034)
random_seed <int> ..FV.... set the seed for filling the initial grid randomly (from - to UINT32_MAX) (default -)
seed <int> ..FV.... set the seed for filling the initial grid randomly (from - to UINT32_MAX) (default -)
scroll <int> ..FV.... scroll pattern downward (from to ) (default )
start_full <int> ..FV.... start filling the whole video (from to ) (default )
full <int> ..FV.... start filling the whole video (from to ) (default )
stitch <int> ..FV.... stitch boundaries (from to ) (default ) color AVOptions:
color <color> ..FV.... set color (default "black")
c <color> ..FV.... set color (default "black")
size <image_size> ..FV.... set video size (default "320x240")
s <image_size> ..FV.... set video size (default "320x240")
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /) haldclutsrc AVOptions:
level <int> ..FV.... set level (from to ) (default )
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /) life AVOptions:
filename <string> ..FV.... set source file
f <string> ..FV.... set source file
size <image_size> ..FV.... set video size
s <image_size> ..FV.... set video size
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
rule <string> ..FV.... set rule (default "B3/S23")
random_fill_ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from to ) (default 0.618034)
ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from to ) (default 0.618034)
random_seed <int> ..FV.... set the seed for filling the initial grid randomly (from - to UINT32_MAX) (default -)
seed <int> ..FV.... set the seed for filling the initial grid randomly (from - to UINT32_MAX) (default -)
stitch <int> ..FV.... stitch boundaries (from to ) (default )
mold <int> ..FV.... set mold speed for dead cells (from to ) (default )
life_color <color> ..FV.... set life color (default "white")
death_color <color> ..FV.... set death color (default "black")
mold_color <color> ..FV.... set mold color (default "black") mandelbrot AVOptions:
size <image_size> ..FV.... set frame size (default "640x480")
s <image_size> ..FV.... set frame size (default "640x480")
rate <video_rate> ..FV.... set frame rate (default "")
r <video_rate> ..FV.... set frame rate (default "")
maxiter <int> ..FV.... set max iterations number (from to INT_MAX) (default )
start_x <double> ..FV.... set the initial x position (from - to ) (default -0.743644)
start_y <double> ..FV.... set the initial y position (from - to ) (default -0.131826)
start_scale <double> ..FV.... set the initial scale value (from to FLT_MAX) (default )
end_scale <double> ..FV.... set the terminal scale value (from to FLT_MAX) (default 0.3)
end_pts <double> ..FV.... set the terminal pts value (from to I64_MAX) (default )
bailout <double> ..FV.... set the bailout value (from to FLT_MAX) (default )
morphxf <double> ..FV.... set morph x frequency (from -FLT_MAX to FLT_MAX) (default 0.01)
morphyf <double> ..FV.... set morph y frequency (from -FLT_MAX to FLT_MAX) (default 0.0123)
morphamp <double> ..FV.... set morph amplitude (from -FLT_MAX to FLT_MAX) (default )
outer <int> ..FV.... set outer coloring mode (from to INT_MAX) (default )
iteration_count ..FV.... set iteration count mode
normalized_iteration_count ..FV.... set normalized iteration count mode
white ..FV.... set white mode
outz ..FV.... set outz mode
inner <int> ..FV.... set inner coloring mode (from to INT_MAX) (default )
black ..FV.... set black mode
period ..FV.... set period mode
convergence ..FV.... show time until convergence
mincol ..FV.... color based on point closest to the origin of the iterations nullsrc AVOptions:
size <image_size> ..FV.... set video size (default "320x240")
s <image_size> ..FV.... set video size (default "320x240")
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /) rgbtestsrc AVOptions:
size <image_size> ..FV.... set video size (default "320x240")
s <image_size> ..FV.... set video size (default "320x240")
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /) smptebars AVOptions:
size <image_size> ..FV.... set video size (default "320x240")
s <image_size> ..FV.... set video size (default "320x240")
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /) smptehdbars AVOptions:
size <image_size> ..FV.... set video size (default "320x240")
s <image_size> ..FV.... set video size (default "320x240")
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /) testsrc AVOptions:
size <image_size> ..FV.... set video size (default "320x240")
s <image_size> ..FV.... set video size (default "320x240")
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
duration <duration> ..FV.... set video duration (default -)
d <duration> ..FV.... set video duration (default -)
sar <rational> ..FV.... set video sample aspect ratio (from to INT_MAX) (default /)
decimals <int> ..FV.... set number of decimals to show (from to ) (default )
n <int> ..FV.... set number of decimals to show (from to ) (default ) avectorscope AVOptions:
mode <int> ..FV.... set mode (from to ) (default )
lissajous ..FV....
lissajous_xy ..FV....
m <int> ..FV.... set mode (from to ) (default )
lissajous ..FV....
lissajous_xy ..FV....
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "")
size <image_size> ..FV.... set video size (default "400x400")
s <image_size> ..FV.... set video size (default "400x400")
rc <int> ..FV.... set red contrast (from to ) (default )
gc <int> ..FV.... set green contrast (from to ) (default )
bc <int> ..FV.... set blue contrast (from to ) (default )
rf <int> ..FV.... set red fade (from to ) (default )
gf <int> ..FV.... set green fade (from to ) (default )
bf <int> ..FV.... set blue fade (from to ) (default )
zoom <double> ..FV.... set zoom factor (from to ) (default ) concat AVOptions:
n <int> ..FVA... specify the number of segments (from to INT_MAX) (default )
v <int> ..FV.... specify the number of video streams (from to INT_MAX) (default )
a <int> ..F.A... specify the number of audio streams (from to INT_MAX) (default )
unsafe <int> ..FVA... enable unsafe mode (from to INT_MAX) (default ) showspectrum AVOptions:
size <image_size> ..FV.... set video size (default "640x512")
s <image_size> ..FV.... set video size (default "640x512")
slide <int> ..FV.... set sliding mode (from to ) (default )
mode <int> ..FV.... set channel display mode (from to ) (default )
combined ..FV.... combined mode
separate ..FV.... separate mode
color <int> ..FV.... set channel coloring (from to ) (default )
channel ..FV.... separate color for each channel
intensity ..FV.... intensity based coloring
scale <int> ..FV.... set display scale (from to ) (default )
sqrt ..FV.... square root
cbrt ..FV.... cubic root
log ..FV.... logarithmic
lin ..FV.... linear
saturation <float> ..FV.... color saturation multiplier (from - to ) (default )
win_func <int> ..FV.... set window function (from to ) (default )
hann ..FV.... Hann window
hamming ..FV.... Hamming window
blackman ..FV.... Blackman window showwaves AVOptions:
size <image_size> ..FV.... set video size (default "600x240")
s <image_size> ..FV.... set video size (default "600x240")
mode <int> ..FV.... select display mode (from to ) (default )
point ..FV.... draw a point for each sample
line ..FV.... draw a line for each sample
n <int> ..FV.... set how many samples to show in the same point (from to INT_MAX) (default )
rate <video_rate> ..FV.... set video rate (default "")
r <video_rate> ..FV.... set video rate (default "") amovie AVOptions:
filename <string> ..FVA...
format_name <string> ..FVA... set format name
f <string> ..FVA... set format name
stream_index <int> ..FVA... set stream index (from - to INT_MAX) (default -)
si <int> ..FVA... set stream index (from - to INT_MAX) (default -)
seek_point <double> ..FVA... set seekpoint (seconds) (from to 9.22337e+012) (default )
sp <double> ..FVA... set seekpoint (seconds) (from to 9.22337e+012) (default )
streams <string> ..FVA... set streams
s <string> ..FVA... set streams
loop <int> ..FVA... set loop count (from to INT_MAX) (default ) movie AVOptions:
filename <string> ..FVA...
format_name <string> ..FVA... set format name
f <string> ..FVA... set format name
stream_index <int> ..FVA... set stream index (from - to INT_MAX) (default -)
si <int> ..FVA... set stream index (from - to INT_MAX) (default -)
seek_point <double> ..FVA... set seekpoint (seconds) (from to 9.22337e+012) (default )
sp <double> ..FVA... set seekpoint (seconds) (from to 9.22337e+012) (default )
streams <string> ..FVA... set streams
s <string> ..FVA... set streams
loop <int> ..FVA... set loop count (from to INT_MAX) (default ) ffbuffersink AVOptions:
pix_fmts <binary> ..FV.... set the supported pixel formats ffabuffersink AVOptions:
sample_fmts <binary> ..FV.... set the supported sample formats
sample_rates <binary> ..FV.... set the supported sample rates
channel_layouts <binary> ..FV.... set the supported channel layouts
channel_counts <binary> ..FV.... set the supported channel counts
all_channel_counts <int> ..FV.... accept all channel counts (from to ) (default ) abuffer AVOptions:
time_base <rational> ..F.A... (from to INT_MAX) (default /)
sample_rate <int> ..F.A... (from to INT_MAX) (default )
sample_fmt <sample_fmt> ..F.A... (default none)
channel_layout <string> ..F.A...
channels <int> ..F.A... (from to INT_MAX) (default ) buffer AVOptions:
width <int> ..FV.... (from to INT_MAX) (default )
video_size <image_size> ..FV....
height <int> ..FV.... (from to INT_MAX) (default )
pix_fmt <pix_fmt> ..FV.... (default none)
time_base_num <int> ..FV.... deprecated, do not use (from to INT_MAX) (default )
time_base_den <int> ..FV.... deprecated, do not use (from to INT_MAX) (default )
sar_num <int> ..FV.... deprecated, do not use (from to INT_MAX) (default )
sar_den <int> ..FV.... deprecated, do not use (from to INT_MAX) (default )
sar <rational> ..FV.... sample aspect ratio (from to DBL_MAX) (default /)
pixel_aspect <rational> ..FV.... sample aspect ratio (from to DBL_MAX) (default /)
time_base <rational> ..FV.... (from to DBL_MAX) (default /)
frame_rate <rational> ..FV.... (from to DBL_MAX) (default /)
sws_param <string> ..FV.... abuffersink AVOptions:
sample_fmts <binary> ..FV.... set the supported sample formats
sample_rates <binary> ..FV.... set the supported sample rates
channel_layouts <binary> ..FV.... set the supported channel layouts
channel_counts <binary> ..FV.... set the supported channel counts
all_channel_counts <int> ..FV.... accept all channel counts (from to ) (default ) buffersink AVOptions:
pix_fmts <binary> ..FV.... set the supported pixel formats
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