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F5OEO-rpidatv/doc/ffmpeg.txt

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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
-devices show available devices
-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
-sources device list sources of the input device
-sinks device list sinks of the output device
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: 100% error maximum error rate
-bits_per_raw_sample number set the number of bits per raw sample
-vol volume change audio volume (256=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
-frame_drop_threshold frame drop threshold
-async audio sync method
-adrift_threshold threshold audio drift threshold
-copyts copy timestamps
-start_at_zero shift input timestamps to start at 0 when using copyts
-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 1
-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
-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
-sdp_file file specify a file in which to print sdp information
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
-seek_timestamp enable/disable seeking by timestamp with -ss
-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 output
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes
-discard discard
-disposition disposition
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 output
-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
-thread_queue_size set the maximum number of queued packets from the demuxer
-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 output
-r rate set frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (4:3, 16:9 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 (1 to 3)
-vf filter_graph set video filters
-ab bitrate audio bitrate (please use -b:a)
-b bitrate video bitrate (please use -b:v)
-dn disable data
Advanced Video options:
-pix_fmt format set pixel format
-intra deprecated use -g 1
-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=1/bottom=0/auto=-1 field first
-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 output
-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 (256=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 0 to INT_MAX) (default 200000)
-ab <int> E...A... set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000)
-bt <int> E..V.... Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 1 to INT_MAX) (default 4e+06)
-flags <flags> ED.VAS.. (default 0)
unaligned .D.V.... allow decoders to produce unaligned output
mv4 E..V.... use four motion vectors per macroblock (MPEG-4)
qpel E..V.... use 1/4-pel motion compensation
loop E..V.... use loop filter
gmc E..V.... use gmc
mv0 E..V.... always try a mb with mv=<0,0>
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.263 advanced intra coding / MPEG-4 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 5)
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 12)
-ar <int> ED..A... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0)
-ac <int> ED..A... set number of audio channels (from 0 to INT_MAX) (default 0)
-cutoff <int> E...A... set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0)
-frame_size <int> E...A... (from INT_MIN to INT_MAX) (default 0)
-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 -1 to FLT_MAX) (default 0.5)
-qmin <int> E..V.... minimum video quantizer scale (VBR) (from -1 to 69) (default 2)
-qmax <int> E..V.... maximum video quantizer scale (VBR) (from -1 to 1024) (default 31)
-qdiff <int> E..V.... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3)
-bf <int> E..V.... set maximum number of B frames between non-B-frames (from -1 to INT_MAX) (default 0)
-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 0)
-b_strategy <int> E..V.... strategy to choose between I/P/B-frames (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V.... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-bug <flags> .D.V.... work around not autodetected encoder bugs (default 1)
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 0)
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 0)
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
ignore_err .D.VA... ignore errors
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.263 (from INT_MIN to INT_MAX) (default 0)
-qsquish <float> E..V.... deprecated, use encoder private options instead (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... deprecated, use encoder private options instead (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V.... deprecated, use encoder private options instead
-maxrate <int> E..VA... maximum bitrate (in bits/s). Used for VBV together with bufsize. (from 0 to INT_MAX) (default 0)
-minrate <int> E..VA... minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default 0)
-bufsize <int> E..VA... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 1)
-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 0)
-rc_init_cplx <float> E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0)
-dct <int> E..V.... DCT algorithm (from 0 to INT_MAX) (default 0)
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 0)
-tcplx_mask <float> E..V.... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
-scplx_mask <float> E..V.... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
-p_mask <float> E..V.... inter masking (from -FLT_MAX to FLT_MAX) (default 0)
-dark_mask <float> E..V.... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
-idct <int> ED.V.... select IDCT implementation (from 0 to INT_MAX) (default 0)
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....
xvid ED.V....
xvidmmx ED.V.... deprecated, for compatibility only
faani ED.V.... floating point AAN IDCT
simpleauto ED.V....
-ec <flags> .D.V.... set error concealment strategy (default 3)
guess_mvs .D.V.... iterative motion vector (MV) search (slow)
deblock .D.V.... use strong deblock filter for damaged MBs
favor_inter .D.V.... favor predicting from the previous frame
-pred <int> E..V.... prediction method (from INT_MIN to INT_MAX) (default 0)
left E..V....
plane E..V....
median E..V....
-aspect <rational> E..V.... sample aspect ratio (from 0 to 10) (default 0/1)
-debug <flags> ED.VAS.. print specific debug info (default 0)
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.264)
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
nomc .D.VA... skip motion compensation
-vismv <flags> .D.V.... visualize motion vectors (MVs) (deprecated) (default 0)
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 0)
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.... 0
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.... 5/3 wavelet, only used in snow
w97 E..V.... 9/7 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 0)
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.... 0
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.... 5/3 wavelet, only used in snow
w97 E..V.... 9/7 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 0)
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.... 0
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.... 5/3 wavelet, only used in snow
w97 E..V.... 9/7 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 8)
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.... 0
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.... 5/3 wavelet, only used in snow
w97 E..V.... 9/7 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 0)
-last_pred <int> E..V.... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0)
-preme <int> E..V.... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-precmp <int> E..V.... pre motion estimation compare function (from INT_MIN to INT_MAX) (default 0)
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.... 0
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.... 5/3 wavelet, only used in snow
w97 E..V.... 9/7 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 0)
-subq <int> E..V.... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8)
-me_range <int> E..V.... limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0)
-ibias <int> E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
-pbias <int> E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
-global_quality <int> E..VA... (from INT_MIN to INT_MAX) (default 0)
-coder <int> E..V.... (from INT_MIN to INT_MAX) (default 0)
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 0)
-mbd <int> E..V.... macroblock decision algorithm (high quality mode) (from 0 to 2) (default 0)
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 0)
-lmin <int> E..V.... deprecated, use encoder private options instead (from 0 to INT_MAX) (default 0)
-lmax <int> E..V.... deprecated, use encoder private options instead (from 0 to INT_MAX) (default 0)
-nr <int> E..V.... noise reduction (from INT_MIN to INT_MAX) (default 0)
-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 0)
-flags2 <flags> ED.VA... (default 0)
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
export_mvs .D.V.... export motion vectors through frame side data
skip_manual .D.V.... do not skip samples and export skip information as frame side data
-error <int> E..V.... (from INT_MIN to INT_MAX) (default 0)
-threads <int> ED.VA... (from 0 to INT_MAX) (default 1)
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 0)
-mb_threshold <int> E..V.... macroblock threshold (from INT_MIN to INT_MAX) (default 0)
-dc <int> E..V.... intra_dc_precision (from -8 to 16) (default 0)
-nssew <int> E..V.... nsse weight (from INT_MIN to INT_MAX) (default 8)
-skip_top <int> .D.V.... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0)
-skip_bottom <int> .D.V.... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0)
-profile <int> E..VA... (from INT_MIN to INT_MAX) (default -99)
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...
mpeg4_sp E..V....
mpeg4_core E..V....
mpeg4_main E..V....
mpeg4_asp E..V....
-level <int> E..VA... (from INT_MIN to INT_MAX) (default -99)
unknown E..VA...
-lowres <int> .D.VA... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0)
-skip_threshold <int> E..V.... frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V.... frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V.... frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skipcmp <int> E..V.... frame skip compare function (from INT_MIN to INT_MAX) (default 13)
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.... 0
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.... 5/3 wavelet, only used in snow
w97 E..V.... 9/7 wavelet, only used in snow
dctmax E..V....
chroma E..V....
-border_mask <float> E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0)
-mblmin <int> E..V.... minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236)
-mblmax <int> E..V.... maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658)
-mepc <int> E..V.... motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-skip_loop_filter <int> .D.V.... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default 0)
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
nointra .D.V.... discard all frames except I frames
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 0)
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
nointra .D.V.... discard all frames except I frames
all .D.V.... discard all frames
-skip_frame <int> .D.V.... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default 0)
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
nointra .D.V.... discard all frames except I frames
all .D.V.... discard all frames
-bidir_refine <int> E..V.... refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1)
-brd_scale <int> E..V.... downscale frames for dynamic B-frame decision (from 0 to 10) (default 0)
-keyint_min <int> E..V.... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25)
-refs <int> E..V.... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1)
-chromaoffset <int> E..V.... chroma QP offset from luma (from INT_MIN to INT_MAX) (default 0)
-trellis <int> E..VA... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0)
-sc_factor <int> E..V.... multiplied by qscale for each frame and added to scene_change_score (from 0 to INT_MAX) (default 6)
-mv0_threshold <int> E..V.... (from 0 to INT_MAX) (default 256)
-b_sensitivity <int> E..V.... adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-compression_level <int> E..VA... (from INT_MIN to INT_MAX) (default -1)
-min_prediction_order <int> E...A... (from INT_MIN to INT_MAX) (default -1)
-max_prediction_order <int> E...A... (from INT_MIN to INT_MAX) (default -1)
-timecode_frame_start <int64> E..V.... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
-request_channels <int> .D..A... set desired number of audio channels (from 0 to INT_MAX) (default 0)
-channel_layout <int64> ED..A... (from 0 to I64_MAX) (default 0)
-request_channel_layout <int64> .D..A... (from 0 to I64_MAX) (default 0)
-rc_max_vbv_use <float> E..V.... (from 0 to FLT_MAX) (default 0)
-rc_min_vbv_use <float> E..V.... (from 0 to FLT_MAX) (default 3)
-ticks_per_frame <int> ED.VA... (from 1 to INT_MAX) (default 1)
-color_primaries <int> ED.V.... color primaries (from 1 to 9) (default 2)
bt709 ED.V.... BT.709
unspecified ED.V.... Unspecified
bt470m ED.V.... BT.470 M
bt470bg ED.V.... BT.470 BG
smpte170m ED.V.... SMPTE 170 M
smpte240m ED.V.... SMPTE 240 M
film ED.V.... Film
bt2020 ED.V.... BT.2020
-color_trc <int> ED.V.... color transfer characteristics (from 1 to 15) (default 2)
bt709 ED.V.... BT.709
unspecified ED.V.... Unspecified
gamma22 ED.V.... BT.470 M
gamma28 ED.V.... BT.470 BG
smpte170m ED.V.... SMPTE 170 M
smpte240m ED.V.... SMPTE 240 M
linear ED.V.... Linear
log ED.V.... Log
log_sqrt ED.V.... Log square root
iec61966_2_4 ED.V.... IEC 61966-2-4
bt1361 ED.V.... BT.1361
iec61966_2_1 ED.V.... IEC 61966-2-1
bt2020_10bit ED.V.... BT.2020 - 10 bit
bt2020_12bit ED.V.... BT.2020 - 12 bit
-colorspace <int> ED.V.... color space (from 0 to 10) (default 2)
rgb ED.V.... RGB
bt709 ED.V.... BT.709
unspecified ED.V.... Unspecified
fcc ED.V.... FCC
bt470bg ED.V.... BT.470 BG
smpte170m ED.V.... SMPTE 170 M
smpte240m ED.V.... SMPTE 240 M
ycocg ED.V.... YCOCG
bt2020_ncl ED.V.... BT.2020 NCL
bt2020_cl ED.V.... BT.2020 CL
-color_range <int> ED.V.... color range (from 0 to 2) (default 0)
unspecified ED.V.... Unspecified
mpeg ED.V.... MPEG (219*2^(n-8))
jpeg ED.V.... JPEG (2^n-1)
-chroma_sample_location <int> ED.V.... chroma sample location (from 0 to 6) (default 0)
unspecified ED.V.... Unspecified
left ED.V.... Left
center ED.V.... Center
topleft ED.V.... Top-left
top ED.V.... Top
bottomleft ED.V.... Bottom-left
bottom ED.V.... Bottom
-slices <int> E..V.... number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0)
-thread_type <flags> ED.VA... select multithreading type (default 3)
slice ED.V....
frame ED.V....
-audio_service_type <int> E...A... audio service type (from 0 to 8) (default 0)
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 0)
do_nothing .D...S..
auto .D...S..
pre_decoder .D...S..
-refcounted_frames <int> .D.VA... (from 0 to 1) (default 0)
-side_data_only_packets <int> E..VA... (from 0 to 1) (default 0)
-skip_alpha <int> .D.V.... Skip processing alpha (from 0 to 1) (default 0)
-field_order <int> ED.V.... Field order (from 0 to 5) (default 0)
progressive ED.V....
tt ED.V....
bb ED.V....
tb ED.V....
bt ED.V....
-dump_separator <string> ED.VAS.. set information dump field separator
-codec_whitelist <string> .D.VAS.. List of decoders that are allowed to be used
amv encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
APNG encoder AVOptions:
-dpi <int> E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
-dpm <int> E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
cinepak AVOptions:
-max_extra_cb_iterations <int> E..V.... Max extra codebook recalculation passes, more is better and slower (from 0 to INT_MAX) (default 2)
-skip_empty_cb <int> E..V.... Avoid wasting bytes, ignore vintage MacOS decoder (from 0 to 1) (default 0)
-max_strips <int> E..V.... Limit strips/frame, vintage compatible is 1..3, otherwise the more the better (from 1 to 32) (default 3)
-min_strips <int> E..V.... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from 1 to 32) (default 1)
-strip_number_adaptivity <int> E..V.... How fast the strip number adapts, more is slightly better, much slower (from 0 to 31) (default 0)
cljr encoder AVOptions:
-dither_type <int> E..V.... Dither type (from 0 to 2) (default 1)
dnxhd AVOptions:
-nitris_compat <int> E..V.... encode with Avid Nitris compatibility (from 0 to 1) (default 0)
EXR AVOptions:
-layer <string> .D.V.... Set the decoding layer (default "")
-gamma <float> .D.V.... Set the float gamma value when decoding (from 0.001 to FLT_MAX) (default 1)
ffv1 encoder AVOptions:
-slicecrc <int> E..V.... Protect slices with CRCs (from -1 to 1) (default -1)
ffvhuff AVOptions:
-non_deterministic <int> E..V.... Allow multithreading for e.g. context=1 at the expense of determinism (from 0 to 1) (default 1)
flv encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
frwu Decoder AVOptions:
-change_field_order <int> .D.V.... Change field order (from 0 to 1) (default 0)
GIF encoder AVOptions:
-gifflags <flags> E..V.... set GIF flags (default 3)
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 0 to UINT32_MAX) (default 1.67772e+07)
h261 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
H.263 encoder AVOptions:
-obmc <int> E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0)
-structured_slices <int> E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0)
-mb_info <int> E..V.... emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size (from 0 to INT_MAX) (default 0)
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
H.263p encoder AVOptions:
-umv <int> E..V.... Use unlimited motion vectors. (from 0 to 1) (default 0)
-aiv <int> E..V.... Use alternative inter VLC. (from 0 to 1) (default 0)
-obmc <int> E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0)
-structured_slices <int> E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0)
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
H264 Decoder AVOptions:
-enable_er <int> .D.V.... Enable error resilience on damaged frames (unsafe) (from -1 to 1) (default -1)
HEVC decoder AVOptions:
-apply_defdispwin <int> .D.V.... Apply default display window from VUI (from 0 to 1) (default 0)
-strict-displaywin <int> .D.V.... stricly apply default display window size (from 0 to 1) (default 0)
huffyuv AVOptions:
-non_deterministic <int> E..V.... Allow multithreading for e.g. context=1 at the expense of determinism (from 0 to 1) (default 1)
jpeg2000 AVOptions:
-lowres <int> .D.V.... Lower the decoding resolution by a power of two (from 0 to 32) (default 0)
mjpeg encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
MJPEG decoder AVOptions:
-extern_huff <int> .D.V.... Use external huffman table. (from 0 to 1) (default 0)
mpeg1video encoder AVOptions:
-gop_timecode <string> E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format
-intra_vlc <int> E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0)
-drop_frame_timecode <int> E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0)
-scan_offset <int> E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0)
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
mpeg2video encoder AVOptions:
-gop_timecode <string> E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format
-intra_vlc <int> E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0)
-drop_frame_timecode <int> E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0)
-scan_offset <int> E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0)
-non_linear_quant <int> E..V.... Use nonlinear quantizer. (from 0 to 1) (default 0)
-alternate_scan <int> E..V.... Enable alternate scantable. (from 0 to 1) (default 0)
-seq_disp_ext <int> E..V.... Write sequence_display_extension blocks. (from -1 to 1) (default -1)
auto E..V....
never E..V....
always E..V....
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
MPEG4 encoder AVOptions:
-data_partitioning <int> E..V.... Use data partitioning. (from 0 to 1) (default 0)
-alternate_scan <int> E..V.... Enable alternate scantable. (from 0 to 1) (default 0)
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
MPEG4 Video Decoder AVOptions:
msmpeg4v2 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
msmpeg4v3 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
PNG encoder AVOptions:
-dpi <int> E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
-dpm <int> E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
ProRes encoder AVOptions:
-mbs_per_slice <int> E..V.... macroblocks per slice (from 1 to 8) (default 8)
-profile <int> E..V.... (from -1 to 4) (default -1)
auto E..V....
proxy E..V....
lt E..V....
standard E..V....
hq E..V....
4444 E..V....
-vendor <string> E..V.... vendor ID (default "Lavc")
-bits_per_mb <int> E..V.... desired bits per macroblock (from 0 to 8192) (default 0)
-quant_mat <int> E..V.... quantiser matrix (from -1 to 4) (default -1)
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 0 to 16) (default 16)
rawdec AVOptions:
-top <int> .D.V.... top field first (from -1 to 1) (default -1)
RoQ AVOptions:
-quake3_compat <int> E..V.... Whether to respect known limitations in Quake 3 decoder (from 0 to 1) (default 1)
rv10 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
rv20 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
snow encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-memc_only <int> E..V.... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (from 0 to 1) (default 0)
-no_bitstream <int> E..V.... Skip final bitstream writeout. (from 0 to 1) (default 0)
TIFF encoder AVOptions:
-dpi <int> E..V.... set the image resolution (in dpi) (from 1 to 65536) (default 72)
-compression_algo <int> E..V.... (from 1 to 32946) (default 32773)
packbits E..V....
raw E..V....
lzw E..V....
deflate E..V....
V210 Decoder AVOptions:
-custom_stride <int> .D.V.... Custom V210 stride (from INT_MIN to INT_MAX) (default 0)
wmv1 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
wmv2 encoder AVOptions:
-mpv_flags <flags> E..V.... Flags common for all mpegvideo-based encoders. (default 0)
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
naq E..V.... normalize adaptive quantization
mv0 E..V.... always try a mb with mv=<0,0>
-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 0)
-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 0)
-quantizer_noise_shaping <int> E..V.... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-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.
-rc_init_cplx <float> E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
AAC encoder AVOptions:
-stereo_mode <int> E...A... Stereo coding method (from -1 to 1) (default 0)
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 0 to 3) (default 2)
faac E...A... FAAC-inspired method
anmr E...A... ANMR method
twoloop E...A... Two loop searching method
fast E...A... Constant quantizer
-aac_pns <int> E...A... Perceptual Noise Substitution (from 0 to 1) (default 0)
disable E...A... Disable PNS
enable E...A... Enable PNS (Proof of concept)
AAC decoder AVOptions:
-dual_mono_mode <int> .D..A... Select the channel to decode for dual mono (from -1 to 2) (default -1)
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-3 Encoder AVOptions:
-per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0)
-center_mixlev <float> E...A... Center Mix Level (from 0 to 1) (default 0.594604)
-surround_mixlev <float> E...A... Surround Mix Level (from 0 to 1) (default 0.5)
-mixing_level <int> E...A... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A... Room Type (from -1 to 2) (default -1)
notindicated E...A... Not Indicated (default)
large E...A... Large Room
small E...A... Small Room
-copyright <int> E...A... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A... Dolby Surround Mode (from -1 to 2) (default -1)
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 -1 to 1) (default -1)
-dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated E...A... Not Indicated (default)
ltrt E...A... Lt/Rt Downmix Preferred
loro E...A... Lo/Ro Downmix Preferred
dplii E...A... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround EX Encoded
off E...A... Not Dolby Surround EX Encoded
dpliiz E...A... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A... Dolby Headphone Mode (from -1 to 2) (default -1)
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 -1 to 1) (default -1)
standard E...A... Standard (default)
hdcd E...A... HDCD
-stereo_rematrixing <int> E...A... Stereo Rematrixing (from 0 to 1) (default 1)
-channel_coupling <int> E...A... Channel Coupling (from -1 to 1) (default -1)
auto E...A... Selected by the Encoder
-cpl_start_band <int> E...A... Coupling Start Band (from -1 to 15) (default -1)
auto E...A... Selected by the Encoder
AC3 decoder AVOptions:
-drc_scale <float> .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <int> .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0)
-target_level <int> .D..A... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
Fixed-Point AC-3 Encoder AVOptions:
-per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0)
-center_mixlev <float> E...A... Center Mix Level (from 0 to 1) (default 0.594604)
-surround_mixlev <float> E...A... Surround Mix Level (from 0 to 1) (default 0.5)
-mixing_level <int> E...A... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A... Room Type (from -1 to 2) (default -1)
notindicated E...A... Not Indicated (default)
large E...A... Large Room
small E...A... Small Room
-copyright <int> E...A... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A... Dolby Surround Mode (from -1 to 2) (default -1)
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 -1 to 1) (default -1)
-dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated E...A... Not Indicated (default)
ltrt E...A... Lt/Rt Downmix Preferred
loro E...A... Lo/Ro Downmix Preferred
dplii E...A... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround EX Encoded
off E...A... Not Dolby Surround EX Encoded
dpliiz E...A... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A... Dolby Headphone Mode (from -1 to 2) (default -1)
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 -1 to 1) (default -1)
standard E...A... Standard (default)
hdcd E...A... HDCD
-stereo_rematrixing <int> E...A... Stereo Rematrixing (from 0 to 1) (default 1)
-channel_coupling <int> E...A... Channel Coupling (from -1 to 1) (default -1)
auto E...A... Selected by the Encoder
-cpl_start_band <int> E...A... Coupling Start Band (from -1 to 15) (default -1)
auto E...A... Selected by the Encoder
Fixed-Point AC-3 Decoder AVOptions:
-drc_scale <float> .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <int> .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0)
alac AVOptions:
-extra_bits_bug <int> .D..A... Force non-standard decoding process (from 0 to 1) (default 0)
APE decoder AVOptions:
-max_samples <int> .D..A... maximum number of samples decoded per call (from 1 to INT_MAX) (default 4608)
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 0 to 1) (default 0)
-disable_xll <int> .D..A... disable decoding of the XLL extension (from 0 to 1) (default 1)
E-AC-3 Encoder AVOptions:
-per_frame_metadata <int> E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0)
-mixing_level <int> E...A... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A... Room Type (from -1 to 2) (default -1)
notindicated E...A... Not Indicated (default)
large E...A... Large Room
small E...A... Small Room
-copyright <int> E...A... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A... Dolby Surround Mode (from -1 to 2) (default -1)
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 -1 to 1) (default -1)
-dmix_mode <int> E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated E...A... Not Indicated (default)
ltrt E...A... Lt/Rt Downmix Preferred
loro E...A... Lo/Ro Downmix Preferred
dplii E...A... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated E...A... Not Indicated (default)
on E...A... Dolby Surround EX Encoded
off E...A... Not Dolby Surround EX Encoded
dpliiz E...A... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A... Dolby Headphone Mode (from -1 to 2) (default -1)
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 -1 to 1) (default -1)
standard E...A... Standard (default)
hdcd E...A... HDCD
-stereo_rematrixing <int> E...A... Stereo Rematrixing (from 0 to 1) (default 1)
-channel_coupling <int> E...A... Channel Coupling (from -1 to 1) (default -1)
auto E...A... Selected by the Encoder
-cpl_start_band <int> E...A... Coupling Start Band (from -1 to 15) (default -1)
auto E...A... Selected by the Encoder
E-AC3 decoder AVOptions:
-drc_scale <float> .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <int> .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0)
-target_level <int> .D..A... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
FLAC encoder AVOptions:
-lpc_coeff_precision <int> E...A... LPC coefficient precision (from 0 to 15) (default 15)
-lpc_type <int> E...A... LPC algorithm (from -1 to 3) (default -1)
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 1 to INT_MAX) (default 2)
-min_partition_order <int> E...A... (from -1 to 8) (default -1)
-max_partition_order <int> E...A... (from -1 to 8) (default -1)
-prediction_order_method <int> E...A... Search method for selecting prediction order (from -1 to 5) (default -1)
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 -1 to 3) (default -1)
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 0 to 1) (default 1)
TTA Decoder AVOptions:
-password <string> .D..A... Set decoding password
WavPack encoder AVOptions:
-joint_stereo <int> E...A... (from -1 to 1) (default 0)
on E...A... mid/side
off E...A... left/right
auto E...A...
-optimize_mono <int> E...A... (from 0 to 1) (default 0)
on E...A...
off E...A...
g722 decoder AVOptions:
-bits_per_codeword <int> .D..A... Bits per G722 codeword (from 6 to 8) (default 8)
g726 AVOptions:
-code_size <int> E...A... Bits per code (from 2 to 5) (default 4)
Closed caption Decoder AVOptions:
DVB Sub Decoder AVOptions:
-compute_edt <int> .D...S.. compute end of time using pts or timeout (from 0 to 1) (default 0)
VOBSUB subtitle encoder AVOptions:
-even_rows_fix <int> E....S.. Make number of rows even (workaround for some players) (from 0 to 1) (default 0)
dvdsubdec AVOptions:
-palette <string> .D...S.. set the global palette
-ifo_palette <string> .D...S.. obtain the global palette from .IFO file
-forced_subs_only <int> .D...S.. Only show forced subtitles (from 0 to 1) (default 0)
PGS subtitle decoder AVOptions:
-forced_subs_only <int> .D...S.. Only show forced subtitles (from 0 to 1) (default 0)
pjs decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
stl decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
subviewer1 decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
text decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
vplayer decoder AVOptions:
-keep_ass_markup <int> .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
AVFormatContext AVOptions:
-avioflags <flags> ED...... (default 0)
direct ED...... reduce buffering
-probesize <int64> .D...... set probing size (from 32 to I64_MAX) (default 5e+06)
-formatprobesize <int> .D...... number of bytes to probe file format (from 0 to 2.14748e+09) (default 1.04858e+06)
-packetsize <int> E....... set packet size (from 0 to INT_MAX) (default 0)
-fflags <flags> ED...... (default 200)
flush_packets E....... 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
fastseek .D...... fast but inaccurate seeks
latm E....... enable RTP MP4A-LATM payload
nobuffer .D...... reduce the latency introduced by optional buffering
bitexact E....... do not write random/volatile data
-seek2any <int> .D...... allow seeking to non-keyframes on demuxer level when supported (from 0 to 1) (default 0)
-analyzeduration <int64> .D...... specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0)
-cryptokey <binary> .D...... decryption key
-indexmem <int> .D...... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1.04858e+06)
-rtbufsize <int> .D...... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3.04128e+06)
-fdebug <flags> ED...... print specific debug info (default 0)
ts ED......
-max_delay <int> ED...... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1)
-start_time_realtime <int64> E....... wall-clock time when stream begins (PTS==0) (from I64_MIN to I64_MAX) (default I64_MIN)
-fpsprobesize <int> .D...... number of frames used to probe fps (from -1 to 2.14748e+09) (default -1)
-audio_preload <int> E....... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09) (default 0)
-chunk_duration <int> E....... microseconds for each chunk (from 0 to 2.14748e+09) (default 0)
-chunk_size <int> E....... size in bytes for each chunk (from 0 to 2.14748e+09) (default 0)
-f_err_detect <flags> .D...... set error detection flags (deprecated; use err_detect, save via avconv) (default 1)
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
ignore_err .D...... ignore errors
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 1)
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
ignore_err .D...... ignore errors
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 0 to 2.14748e+09) (default 0)
-skip_initial_bytes <int64> .D...... set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0)
-correct_ts_overflow <int> .D...... correct single timestamp overflows (from 0 to 1) (default 1)
-flush_packets <int> E....... enable flushing of the I/O context after each packet (from 0 to 1) (default 1)
-metadata_header_padding <int> E....... set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1)
-output_ts_offset <duration> E....... set output timestamp offset (default 0)
-max_interleave_delta <int64> E....... maximum buffering duration for interleaving (from 0 to I64_MAX) (default 1e+07)
-f_strict <int> ED...... how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default 0)
strict ED...... strictly conform to all the things in the spec no matter what the consequences
normal ED......
unofficial ED...... allow unofficial extensions
experimental ED...... allow non-standardized experimental variants
-strict <int> ED...... how strictly to follow the standards (from INT_MIN to INT_MAX) (default 0)
strict ED...... strictly conform to all the things in the spec no matter what the consequences
normal ED......
unofficial ED...... allow unofficial extensions
experimental ED...... allow non-standardized experimental variants
-max_ts_probe <int> .D...... maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50)
-avoid_negative_ts <int> E....... shift timestamps so they start at 0 (from -1 to 2) (default -1)
auto E....... enabled when required by target format
disabled E....... do not change timestamps
make_non_negative E....... shift timestamps so they are non negative
make_zero E....... shift timestamps so they start at 0
-dump_separator <string> ED...... set information dump field separator (default ", ")
-codec_whitelist <string> .D...... List of decoders that are allowed to be used
-format_whitelist <string> .D...... List of demuxers that are allowed to be used
AVIOContext AVOptions:
URLContext AVOptions:
Cache AVOptions:
-read_ahead_limit <int> .D...... Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited (from -1 to INT_MAX) (default 65536)
crypto AVOptions:
-key <binary> ED...... AES encryption/decryption key
-iv <binary> ED...... AES encryption/decryption initialization vector
-decryption_key <binary> .D...... AES decryption key
-decryption_iv <binary> .D...... AES decryption initialization vector
-encryption_key <binary> E....... AES encryption key
-encryption_iv <binary> E....... AES encryption initialization vector
ffrtmphttp AVOptions:
-ffrtmphttp_tls <int> .D...... Use a HTTPS tunneling connection (RTMPTS). (from 0 to 1) (default 0)
file AVOptions:
-truncate <int> E....... truncate existing files on write (from 0 to 1) (default 1)
-blocksize <int> E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
ftp AVOptions:
-timeout <int> ED...... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1)
-ftp-write-seekable <int> E....... control seekability of connection during encoding (from 0 to 1) (default 0)
-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 -1 to 1) (default -1)
-chunked_post <int> E....... use chunked transfer-encoding for posts (from 0 to 1) (default 1)
-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/56.31.100")
-user-agent <string> .D...... override User-Agent header (default "Lavf/56.31.100")
-multiple_requests <int> ED...... use persistent connections (from 0 to 1) (default 0)
-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 0 to 1) (default 1)
-auth_type <int> ED...... HTTP authentication type (from 0 to 1) (default 0)
none ED...... No auth method set, autodetect
basic ED...... HTTP basic authentication
-send_expect_100 <int> E....... Force sending an Expect: 100-continue header for POST (from 0 to 1) (default 0)
-location <string> ED...... The actual location of the data received
-offset <int64> .D...... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D...... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> E....... Override the HTTP method
-reconnect <int> .D...... auto reconnect after disconnect before EOF (from 0 to 1) (default 0)
-listen <int> ED...... listen on HTTP (from 0 to 1) (default 0)
icecast AVOptions:
-ice_genre <string> E....... set stream genre
-ice_name <string> E....... set stream description
-ice_description <string> E....... set stream description
-ice_url <string> E....... set stream website
-ice_public <int> E....... set if stream is public (from 0 to 1) (default 0)
-user_agent <string> E....... override User-Agent header
-password <string> E....... set password
-content_type <string> E....... set content-type, MUST be set if not audio/mpeg
-legacy_icecast <int> E....... use legacy SOURCE method, for Icecast < v2.4 (from 0 to 1) (default 0)
pipe AVOptions:
-blocksize <int> E....... set I/O operation maximum block size (from 1 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 3000. (from 0 to INT_MAX) (default 3000)
-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 0 to INT_MAX) (default 10)
-rtmp_live <int> .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -2)
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 (32 bytes).
-rtmp_swfsize <int> .D...... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-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 0)
-listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-timeout <int> .D...... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
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 3000. (from 0 to INT_MAX) (default 3000)
-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 0 to INT_MAX) (default 10)
-rtmp_live <int> .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -2)
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 (32 bytes).
-rtmp_swfsize <int> .D...... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-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 0)
-listen <int> .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-timeout <int> .D...... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtp AVOptions:
-ttl <int> ED...... Time to live (in milliseconds, multicast only) (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED...... Send/Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-rtcp_port <int> ED...... Custom rtcp port (from -1 to INT_MAX) (default -1)
-local_rtpport <int> ED...... Local rtp port (from -1 to INT_MAX) (default -1)
-local_rtcpport <int> ED...... Local rtcp port (from -1 to INT_MAX) (default -1)
-connect <int> ED...... Connect socket (from 0 to 1) (default 0)
-write_to_source <int> ED...... Send packets to the source address of the latest received packet (from 0 to 1) (default 0)
-pkt_size <int> ED...... Maximum packet size (from -1 to INT_MAX) (default -1)
-dscp <int> ED...... DSCP class (from -1 to INT_MAX) (default -1)
-sources <string> ED...... Source list
-block <string> ED...... Block list
srtp AVOptions:
-srtp_out_suite <string> E.......
-srtp_out_params <string> E.......
-srtp_in_suite <string> .D......
-srtp_in_params <string> .D......
subfile AVOptions:
-start <int64> .D...... start offset (from 0 to I64_MAX) (default 0)
-end <int64> .D...... end offset (from 0 to I64_MAX) (default 0)
tcp AVOptions:
-listen <int> ED...... Listen for incoming connections (from 0 to 1) (default 0)
-timeout <int> ED...... set timeout (in microseconds) of socket I/O operations (from -1 to INT_MAX) (default -1)
-listen_timeout <int> ED...... Connection awaiting timeout (in milliseconds) (from -1 to INT_MAX) (default -1)
udp AVOptions:
-buffer_size <int> ED...... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-localport <int> ED...... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED...... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED...... Local address
-udplite_coverage <int> ED...... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED...... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <int> ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
-reuse_socket <int> ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
-broadcast <int> E....... explicitly allow or disallow broadcast destination (from 0 to 1) (default 0)
-ttl <int> E....... Time to live (multicast only) (from 0 to INT_MAX) (default 16)
-connect <int> ED...... set if connect() should be called on socket (from 0 to 1) (default 0)
-fifo_size <int> .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <int> .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0)
-timeout <int> .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED...... Source list
-block <string> ED...... Block list
udplite AVOptions:
-buffer_size <int> ED...... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-localport <int> ED...... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED...... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED...... Local address
-udplite_coverage <int> ED...... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED...... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <int> ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
-reuse_socket <int> ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
-broadcast <int> E....... explicitly allow or disallow broadcast destination (from 0 to 1) (default 0)
-ttl <int> E....... Time to live (multicast only) (from 0 to INT_MAX) (default 16)
-connect <int> ED...... set if connect() should be called on socket (from 0 to 1) (default 0)
-fifo_size <int> .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <int> .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0)
-timeout <int> .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED...... Source list
-block <string> ED...... Block list
unix AVOptions:
-listen <int> ED...... Open socket for listening (from 0 to 1) (default 0)
-timeout <int> ED...... Timeout in ms (from -1 to INT_MAX) (default -1)
-type <int> ED...... Socket type (from INT_MIN to INT_MAX) (default 1)
stream ED...... Stream (reliable stream-oriented)
datagram ED...... Datagram (unreliable packet-oriented)
seqpacket ED...... Seqpacket (reliable packet-oriented
DV1394 indev AVOptions:
-standard <int> .D...... (from 0 to 1) (default 0)
PAL .D......
NTSC .D......
-channel <int> .D...... (from 0 to INT_MAX) (default 63)
fbdev indev AVOptions:
-framerate <video_rate> .D...... (default "25")
lavfi indev AVOptions:
-graph <string> .D...... set libavfilter graph
-graph_file <string> .D...... set libavfilter graph filename
-dumpgraph <string> .D...... dump graph to stderr
OSS demuxer AVOptions:
-sample_rate <int> .D...... (from 1 to INT_MAX) (default 48000)
-channels <int> .D...... (from 1 to INT_MAX) (default 2)
V4L2 indev AVOptions:
-standard <string> .D...... set TV standard, used only by analog frame grabber
-channel <int> .D...... set TV channel, used only by frame grabber (from -1 to INT_MAX) (default -1)
-video_size <image_size> .D...... set frame size
-pixel_format <string> .D...... set preferred pixel format
-input_format <string> .D...... set preferred pixel format (for raw video) or codec name
-framerate <string> .D...... set frame rate
-list_formats <int> .D...... list available formats and exit (from 0 to INT_MAX) (default 0)
all .D...... show all available formats
raw .D...... show only non-compressed formats
compressed .D...... show only compressed formats
-list_standards <int> .D...... list supported standards and exit (from 0 to 1) (default 0)
all .D...... show all supported standards
-timestamps <int> .D...... set type of timestamps for grabbed frames (from 0 to 2) (default 0)
default .D...... use timestamps from the kernel
abs .D...... use absolute timestamps (wall clock)
mono2abs .D...... force conversion from monotonic to absolute timestamps
-ts <int> .D...... set type of timestamps for grabbed frames (from 0 to 2) (default 0)
default .D...... use timestamps from the kernel
abs .D...... use absolute timestamps (wall clock)
mono2abs .D...... force conversion from monotonic to absolute timestamps
-use_libv4l2 <int> .D...... use libv4l2 (v4l-utils) conversion functions (from 0 to 1) (default 0)
Artworx Data Format demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "25")
APNG demuxer AVOptions:
-ignore_loop <int> .D...... ignore loop setting (from 0 to 1) (default 1)
-max_fps <int> .D...... maximum framerate (0 is no limit) (from 0 to INT_MAX) (default 15)
-default_fps <int> .D...... default framerate (0 is as fast as possible) (from 0 to INT_MAX) (default 15)
aqtdec AVOptions:
-subfps <rational> .D...S.. set the movie frame rate (from 0 to INT_MAX) (default 25/1)
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)
-export_xmp <int> .D...... Export full XMP metadata (from 0 to 1) (default 0)
avi AVOptions:
-use_odml <int> .D...... use odml index (from -1 to 1) (default 1)
Binary text demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "25")
cavsvideo demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
CDXL demuxer AVOptions:
-sample_rate <int> .D...... (from 1 to INT_MAX) (default 11025)
-framerate <string> .D......
concat demuxer AVOptions:
-safe <int> .D...... enable safe mode (from -1 to 1) (default -1)
-auto_convert <int> .D...... automatically convert bitstream format (from 0 to 1) (default 0)
dirac demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
dnxhd demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
dvbsub demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
flvdec AVOptions:
-flv_metadata <int> .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0)
live_flvdec AVOptions:
-flv_metadata <int> .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0)
g729 demuxer AVOptions:
-bit_rate <int> .D...... (from 0 to INT_MAX) (default 0)
GIF demuxer AVOptions:
-min_delay <int> .D...... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2)
-max_gif_delay <int> .D...... maximum valid delay between frames (in hundredths of seconds) (from 0 to 65535) (default 65535)
-default_delay <int> .D...... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10)
-ignore_loop <int> .D...... ignore loop setting (netscape extension) (from 0 to 1) (default 1)
gsm demuxer AVOptions:
-sample_rate <int> .D...... (from 1 to 6.50753e+07) (default 8000)
h261 demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
h263 demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
h264 demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
hevc demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
hls,applehttp AVOptions:
-live_start_index <int> .D...... segment index to start live streams at (negative values are from the end) (from INT_MIN to INT_MAX) (default -3)
iCE Draw File demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "25")
image2 demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
image2pipe demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
alias_pix demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
brender_pix demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
ingenient demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
m4v demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
microdvddec AVOptions:
-subfps <rational> .D...S.. set the movie frame rate fallback (from 0 to INT_MAX) (default 0/1)
mjpeg demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
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 0 to 1) (default 0)
-seek_streams_individually <int> .D.V.... Seek each stream individually to the to the closest point (from 0 to 1) (default 1)
-ignore_editlist <int> .D.V.... (from 0 to 1) (default 0)
-use_mfra_for <int> .D.V.... use mfra for fragment timestamps (from -1 to 2) (default -1)
auto .D.V.... auto
dts .D.V.... dts
pts .D.V.... pts
-export_all <int> .D.V.... Export unrecognized metadata entries (from 0 to 1) (default 0)
-export_xmp <int> .D.V.... Export full XMP metadata (from 0 to 1) (default 0)
mp3 AVOptions:
-usetoc <int> .D...... use table of contents (from -1 to 2) (default -1)
mpegts demuxer AVOptions:
-resync_size <int> .D...... Size limit for looking up a new synchronization. (from 0 to INT_MAX) (default 65536)
-fix_teletext_pts <int> .D...... Try to fix pts values of dvb teletext streams. (from 0 to 1) (default 1)
-ts_packetsize <int> .D....XR Output option carrying the raw packet size. (from 0 to 0) (default 0)
-scan_all_pmts <int> .D...... Scan and combine all PMTs (from -1 to 1) (default -1)
mpegtsraw demuxer AVOptions:
-resync_size <int> .D...... Size limit for looking up a new synchronization. (from 0 to INT_MAX) (default 65536)
-compute_pcr <int> .D...... Compute exact PCR for each transport stream packet. (from 0 to 1) (default 0)
-ts_packetsize <int> .D....XR Output option carrying the raw packet size. (from 0 to 0) (default 0)
mpegvideo demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
alaw demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
mulaw demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
f64be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
f64le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
f32be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
f32le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s32be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s32le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s24be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s24le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s16be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s16le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
s8 demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u32be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u32le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u24be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u24le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u16be demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u16le demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
u8 demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 44100)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
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 "25")
RTP demuxer AVOptions:
-rtp_flags <flags> .D...... set RTP flags (default 0)
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 -1 to INT_MAX) (default -1)
-buffer_size <int> ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
RTSP demuxer AVOptions:
-initial_pause <int> .D...... do not start playing the stream immediately (from 0 to 1) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED...... set RTSP transport protocols (default 0)
udp ED...... UDP
tcp ED...... TCP
udp_multicast .D...... UDP multicast
http .D...... HTTP tunneling
-rtsp_flags <flags> .D...... set RTSP flags (default 0)
filter_src .D...... only receive packets from the negotiated peer IP
listen .D...... wait for incoming connections
prefer_tcp ED...... try RTP via TCP first, if available
-allowed_media_types <flags> .D...... set media types to accept from the server (default F)
video .D...... Video
audio .D...... Audio
data .D...... Data
subtitle .D...... Subtitle
-min_port <int> ED...... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED...... set maximum local UDP port (from 0 to 65535) (default 65000)
-timeout <int> .D...... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-stimeout <int> .D...... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0)
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-user-agent <string> .D...... override User-Agent header (default "Lavf56.31.100")
sbg_demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 0)
-frame_size <int> .D...... (from 0 to INT_MAX) (default 0)
-max_file_size <int> .D...... (from 0 to INT_MAX) (default 5e+06)
SDP demuxer AVOptions:
-sdp_flags <flags> .D...... SDP flags (default 0)
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 F)
video .D...... Video
audio .D...... Audio
data .D...... Data
subtitle .D...... Subtitle
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
sln demuxer AVOptions:
-sample_rate <int> .D...... (from 0 to INT_MAX) (default 8000)
-channels <int> .D...... (from 0 to INT_MAX) (default 1)
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 15000)
TTY demuxer AVOptions:
-chars_per_frame <int> .D...... (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D...... A string describing frame size, such as 640x480 or hd720.
-framerate <video_rate> .D...... (default "25")
vc1 demuxer AVOptions:
-framerate <video_rate> .D...... (default "25")
vobsub AVOptions:
-sub_name <string> .D...... URI for .sub file
WAV demuxer AVOptions:
-ignore_length <int> .D...... Ignore length (from 0 to 1) (default 0)
WebM DASH Manifest demuxer AVOptions:
-live <int> .D...... flag indicating that the input is a live file that only has the headers. (from 0 to 1) (default 0)
WebVTT demuxer AVOptions:
eXtended BINary text (XBIN) demuxer AVOptions:
-linespeed <int> .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D...... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D...... set framerate (frames per second) (default "25")
bmp demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
dpx demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
exr demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
j2k demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
jpeg demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
jpegls demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
pictor demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
png demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
sgi demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
sunrast demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
tiff demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
webp demuxer AVOptions:
-framerate <video_rate> .D...... set the video framerate (default "25")
-loop <int> .D...... force loop over input file sequence (from 0 to 1) (default 0)
-pattern_type <int> .D...... set pattern type (from 0 to INT_MAX) (default 0)
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 INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-video_size <image_size> .D...... set video size
-frame_size <int> .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
-ts_from_file <int> .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
none .D...... none
sec .D...... second precision
ns .D...... nano second precision
fbdev outdev AVOptions:
-xoffset <int> E....... set x coordinate of top left corner (from INT_MIN to INT_MAX) (default 0)
-yoffset <int> E....... set y coordinate of top left corner (from INT_MIN to INT_MAX) (default 0)
ADTS muxer AVOptions:
-write_id3v2 <int> E....... Enable ID3v2 tag writing (from 0 to 1) (default 0)
-write_apetag <int> E....... Enable APE tag writing (from 0 to 1) (default 0)
AIFF muxer AVOptions:
-write_id3v2 <int> E....... Enable ID3 tags writing. (from 0 to 1) (default 0)
-id3v2_version <int> E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4)
APNG muxer AVOptions:
-plays <int> E....... Number of times to play the output: 0 - infinite loop, 1 - no loop (from 0 to UINT32_MAX) (default 1)
-final_delay <rational> E....... Force delay after the last frame (from 0 to 65535) (default 0/1)
ass muxer AVOptions:
-ignore_readorder <int> E....... write events immediately, even if they're out-of-order (from 0 to 1) (default 0)
AST muxer AVOptions:
-loopstart <int64> E....... Loopstart position in milliseconds. (from -1 to INT_MAX) (default -1)
-loopend <int64> E....... Loopend position in milliseconds. (from 0 to INT_MAX) (default 0)
dash muxer AVOptions:
-window_size <int> E....... number of segments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E....... number of segments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-min_seg_duration <int64> E....... minimum segment duration (in microseconds) (from 0 to INT_MAX) (default 5e+06)
-remove_at_exit <int> E....... remove all segments when finished (from 0 to 1) (default 0)
-use_template <int> E....... Use SegmentTemplate instead of SegmentList (from 0 to 1) (default 1)
-use_timeline <int> E....... Use SegmentTimeline in SegmentTemplate (from 0 to 1) (default 1)
-single_file <int> E....... Store all segments in one file, accessed using byte ranges (from 0 to 1) (default 0)
-single_file_name <string> E....... DASH-templated name to be used for baseURL. Implies storing all segments in one file, accessed using byte ranges
-init_seg_name <string> E....... DASH-templated name to used for the initialization segment (default "init-stream$RepresentationID$.m4s")
-media_seg_name <string> E....... DASH-templated name to used for the media segments (default "chunk-stream$RepresentationID$-$Number%05d$.m4s")
f4v muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
flac muxer AVOptions:
-write_header <int> E....... Write the file header (from 0 to 1) (default 1)
frame hash encoder class AVOptions:
-hash <string> E....... set hash to use (default "md5")
-format_version <int> E....... file format version (from 1 to 1) (default 1)
GIF muxer AVOptions:
-loop <int> E....... Number of times to loop the output: -1 - no loop, 0 - infinite loop (from -1 to 65535) (default 0)
-final_delay <int> E....... Force delay (in centiseconds) after the last frame (from -1 to 65535) (default -1)
HDS muxer AVOptions:
-window_size <int> E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-min_frag_duration <int64> E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 1e+07)
-remove_at_exit <int> E....... remove all fragments when finished (from 0 to 1) (default 0)
hls muxer AVOptions:
-start_number <int64> E....... set first number in the sequence (from 0 to I64_MAX) (default 0)
-hls_time <float> E....... set segment length in seconds (from 0 to FLT_MAX) (default 2)
-hls_list_size <int> E....... set maximum number of playlist entries (from 0 to INT_MAX) (default 5)
-hls_ts_options <string> E....... set hls mpegts list of options for the container format used for hls
-hls_wrap <int> E....... set number after which the index wraps (from 0 to INT_MAX) (default 0)
-hls_allow_cache <int> E....... explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments (from INT_MIN to INT_MAX) (default -1)
-hls_base_url <string> E....... url to prepend to each playlist entry
-hls_segment_filename <string> E....... filename template for segment files
-hls_flags <flags> E....... set flags affecting HLS playlist and media file generation (default 0)
single_file E....... generate a single media file indexed with byte ranges
delete_segments E....... delete segment files that are no longer part of the playlist
image2 muxer AVOptions:
-updatefirst <int> E....... continuously overwrite one file (from 0 to 1) (default 0)
-update <int> E....... continuously overwrite one file (from 0 to 1) (default 0)
-start_number <int> E....... set first number in the sequence (from 0 to INT_MAX) (default 1)
-strftime <int> E....... use strftime for filename (from 0 to 1) (default 0)
ipod muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
ismv muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
LATM/LOAS muxer AVOptions:
-smc-interval <int> E....... StreamMuxConfig interval. (from 1 to 65535) (default 20)
hash encoder class AVOptions:
-hash <string> E....... set hash to use (default "md5")
-format_version <int> E....... file format version (from 1 to 1) (default 1)
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 0 to INT_MAX) (default 0)
-cluster_size_limit <int> E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <int> E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0)
-dash_track_number <int> E....... Track number for the DASH stream (from 0 to 127) (default 1)
-live <int> E....... Write files assuming it is a live stream. (from 0 to 1) (default 0)
-allow_raw_vfw <int> E....... allow RAW VFW mode (from 0 to 1) (default 0)
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 0 to INT_MAX) (default 0)
-cluster_size_limit <int> E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <int> E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0)
-dash_track_number <int> E....... Track number for the DASH stream (from 0 to 127) (default 1)
-live <int> E....... Write files assuming it is a live stream. (from 0 to 1) (default 0)
-allow_raw_vfw <int> E....... allow RAW VFW mode (from 0 to 1) (default 0)
mov muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
MP3 muxer AVOptions:
-id3v2_version <int> E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 0 to 4) (default 4)
-write_id3v1 <int> E....... Enable ID3v1 writing. ID3v1 tags are written in UTF-8 which may not be supported by most software. (from 0 to 1) (default 0)
-write_xing <int> E....... Write the Xing header containing file duration. (from 0 to 1) (default 1)
mp4 muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
mpeg muxer AVOptions:
-muxrate <int> E....... (from 0 to 1.67772e+09) (default 0)
-preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
vcd muxer AVOptions:
-muxrate <int> E....... (from 0 to 1.67772e+09) (default 0)
-preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
dvd muxer AVOptions:
-muxrate <int> E....... (from 0 to 1.67772e+09) (default 0)
-preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
svcd muxer AVOptions:
-muxrate <int> E....... (from 0 to 1.67772e+09) (default 0)
-preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
vob muxer AVOptions:
-muxrate <int> E....... (from 0 to 1.67772e+09) (default 0)
-preload <int> E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
MPEGTS muxer AVOptions:
-mpegts_transport_stream_id <int> E....... Set transport_stream_id field. (from 1 to 65535) (default 1)
-mpegts_original_network_id <int> E....... Set original_network_id field. (from 1 to 65535) (default 1)
-mpegts_service_id <int> E....... Set service_id field. (from 1 to 65535) (default 1)
-mpegts_service_type <int> E....... Set service_type field. (from 1 to 255) (default 1)
digital_tv E....... Digital Television.
digital_radio E....... Digital Radio.
teletext E....... Teletext.
advanced_codec_digital_radio E....... Advanced Codec Digital Radio.
mpeg2_digital_hdtv E....... MPEG2 Digital HDTV.
advanced_codec_digital_sdtv E....... Advanced Codec Digital SDTV.
advanced_codec_digital_hdtv E....... Advanced Codec Digital HDTV.
-mpegts_pmt_start_pid <int> E....... Set the first pid of the PMT. (from 16 to 7936) (default 4096)
-mpegts_start_pid <int> E....... Set the first pid. (from 32 to 3840) (default 256)
-mpegts_m2ts_mode <int> E....... Enable m2ts mode. (from -1 to 1) (default -1)
-muxrate <int> E....... (from 0 to INT_MAX) (default 1)
-pes_payload_size <int> E....... Minimum PES packet payload in bytes (from 0 to INT_MAX) (default 2930)
-mpegts_flags <flags> E....... MPEG-TS muxing flags (default 0)
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 0 to INT_MAX) (default 0)
-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 0 to 31) (default 0)
-omit_video_pes_length <int> E....... Omit the PES packet length for video packets (from 0 to 1) (default 1)
-pcr_period <int> E....... PCR retransmission time (from 0 to INT_MAX) (default 20)
mpjpeg_muxer AVOptions:
-boundary_tag <string> E....... Boundary tag (default "ffserver")
MXF-D10 muxer AVOptions:
-d10_channelcount <int> E....... Force/set channelcount in generic sound essence descriptor (from -1 to 8) (default -1)
MXF-OPAtom muxer AVOptions:
-mxf_audio_edit_rate <rational> E....... Audio edit rate for timecode (from 0 to INT_MAX) (default 25/1)
nutenc AVOptions:
-syncpoints <flags> E....... NUT syncpoint behaviour (default 0)
default E.......
none E....... Disable syncpoints, low overhead and unseekable
timestamped E....... Extend syncpoints with a wallclock timestamp
-write_index <int> E....... Write index (from 0 to 1) (default 1)
Ogg audio muxer AVOptions:
-serial_offset <int> E....... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
Ogg muxer AVOptions:
-serial_offset <int> E....... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
Ogg Opus muxer AVOptions:
-serial_offset <int> E....... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
psp muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
RTP muxer AVOptions:
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-payload_type <int> E....... Specify RTP payload type (from -1 to 127) (default -1)
-ssrc <int> E....... Stream identifier (from INT_MIN to INT_MAX) (default 0)
-cname <string> E....... CNAME to include in RTCP SR packets
-seq <int> E....... Starting sequence number (from -1 to 65535) (default -1)
RTSP muxer AVOptions:
-initial_pause <int> .D...... do not start playing the stream immediately (from 0 to 1) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED...... set RTSP transport protocols (default 0)
udp ED...... UDP
tcp ED...... TCP
udp_multicast .D...... UDP multicast
http .D...... HTTP tunneling
-rtsp_flags <flags> .D...... set RTSP flags (default 0)
filter_src .D...... only receive packets from the negotiated peer IP
listen .D...... wait for incoming connections
prefer_tcp ED...... try RTP via TCP first, if available
-allowed_media_types <flags> .D...... set media types to accept from the server (default F)
video .D...... Video
audio .D...... Audio
data .D...... Data
subtitle .D...... Subtitle
-min_port <int> ED...... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED...... set maximum local UDP port (from 0 to 65535) (default 65000)
-timeout <int> .D...... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-stimeout <int> .D...... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0)
-reorder_queue_size <int> .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-user-agent <string> .D...... override User-Agent header (default "Lavf56.31.100")
segment muxer AVOptions:
-reference_stream <string> E....... set reference stream (default "auto")
-segment_format <string> E....... set container format used for the segments
-segment_format_options <string> E....... set list of options for the container format used for the segments
-segment_list <string> E....... set the segment list filename
-segment_header_filename <string> E....... write a single file containing the header
-segment_list_flags <flags> E....... set flags affecting segment list generation (default 1)
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 0 to INT_MAX) (default 0)
-segment_list_type <int> E....... set the segment list type (from -1 to 4) (default -1)
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_atclocktime <int> E....... set segment to be cut at clocktime (from 0 to 1) (default 0)
-segment_time <string> E....... set segment duration
-segment_time_delta <duration> E....... set approximation value used for the segment times (default 0)
-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 0 to INT_MAX) (default 0)
-segment_list_entry_prefix <string> E....... set base url prefix for segments
-segment_start_number <int> E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
-segment_wrap_number <int> E....... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
-strftime <int> E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0)
-individual_header_trailer <int> E....... write header/trailer to each segment (from 0 to 1) (default 1)
-write_header_trailer <int> E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1)
-reset_timestamps <int> E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0)
-initial_offset <duration> E....... set initial timestamp offset (default 0)
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_format_options <string> E....... set list of options for the container format used for the segments
-segment_list <string> E....... set the segment list filename
-segment_header_filename <string> E....... write a single file containing the header
-segment_list_flags <flags> E....... set flags affecting segment list generation (default 1)
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 0 to INT_MAX) (default 0)
-segment_list_type <int> E....... set the segment list type (from -1 to 4) (default -1)
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_atclocktime <int> E....... set segment to be cut at clocktime (from 0 to 1) (default 0)
-segment_time <string> E....... set segment duration
-segment_time_delta <duration> E....... set approximation value used for the segment times (default 0)
-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 0 to INT_MAX) (default 0)
-segment_list_entry_prefix <string> E....... set base url prefix for segments
-segment_start_number <int> E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
-segment_wrap_number <int> E....... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
-strftime <int> E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0)
-individual_header_trailer <int> E....... write header/trailer to each segment (from 0 to 1) (default 1)
-write_header_trailer <int> E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1)
-reset_timestamps <int> E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0)
-initial_offset <duration> E....... set initial timestamp offset (default 0)
smooth streaming muxer AVOptions:
-window_size <int> E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-lookahead_count <int> E....... number of lookahead fragments (from 0 to INT_MAX) (default 2)
-min_frag_duration <int64> E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 5e+06)
-remove_at_exit <int> E....... remove all fragments when finished (from 0 to 1) (default 0)
Ogg Speex muxer AVOptions:
-serial_offset <int> E....... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
spdif AVOptions:
-spdif_flags <flags> E....... IEC 61937 encapsulation flags (default 0)
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 0=disabled) (from 0 to 768000) (default 0)
-dtshd_fallback_time <int> E....... min secs to strip HD for after an overflow (-1: till the end, default 60) (from -1 to INT_MAX) (default 60)
tg2 muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
tgp muxer AVOptions:
-movflags <flags> E....... MOV muxer flags (default 0)
rtphint E....... Add RTP hint tracks
empty_moov E....... Make the initial moov atom empty
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
disable_chpl E....... Disable Nero chapter atom
default_base_moof E....... Set the default-base-is-moof flag in tfhd atoms
dash E....... Write DASH compatible fragmented MP4
frag_discont E....... Signal that the next fragment is discontinuous from earlier ones
delay_moov E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
write_colr E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
write_gama E....... Write deprecated gama atom
-moov_size <int> E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E....... RTP muxer flags (default 0)
latm E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E....... Don't send RTCP sender reports
h264_mode0 E....... Use mode 0 for H264 in RTP
send_bye E....... Send RTCP BYE packets when finishing
-skip_iods <int> E....... Skip writing iods atom. (from 0 to 1) (default 1)
-iods_audio_profile <int> E....... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E....... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
-video_track_timescale <int> E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E....... Override major brand
-use_editlist <int> E....... use edit list (from -1 to 1) (default -1)
-fragment_index <int> E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E....... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
WAV muxer AVOptions:
-write_bext <int> E....... Write BEXT chunk. (from 0 to 1) (default 0)
-write_peak <int> E....... Write Peak Envelope chunk. (from 0 to 2) (default 0)
off E....... Do not write peak chunk.
on E....... Append peak chunk after wav data.
only E....... Write only peak chunk, omit wav data.
-rf64 <int> E....... Use RF64 header rather than RIFF for large files. (from -1 to 1) (default 0)
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.
-peak_block_size <int> E....... Number of audio samples used to generate each peak frame. (from 0 to 65536) (default 256)
-peak_format <int> E....... The format of the peak envelope data (1: uint8, 2: uint16). (from 1 to 2) (default 2)
-peak_ppv <int> E....... Number of peak points per peak value (1 or 2). (from 1 to 2) (default 2)
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 0 to INT_MAX) (default 0)
-cluster_size_limit <int> E....... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <int> E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0)
-dash_track_number <int> E....... Track number for the DASH stream (from 0 to 127) (default 1)
-live <int> E....... Write files assuming it is a live stream. (from 0 to 1) (default 0)
-allow_raw_vfw <int> E....... allow RAW VFW mode (from 0 to 1) (default 0)
WebM DASH Manifest muxer AVOptions:
-adaptation_sets <string> E....... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on
-debug_mode <int> E....... [private option - users should never set this]. set this to 1 to create deterministic output (from 0 to 1) (default 0)
-live <int> E....... set this to 1 to create a live stream manifest (from 0 to 1) (default 0)
-chunk_start_index <int> E....... start index of the chunk (from 0 to INT_MAX) (default 0)
-chunk_duration_ms <int> E....... duration of each chunk (in milliseconds) (from 0 to INT_MAX) (default 1000)
-utc_timing_url <string> E....... URL of the page that will return the UTC timestamp in ISO format
-time_shift_buffer_depth <double> E....... Smallest time (in seconds) shifting buffer for which any Representation is guaranteed to be available. (from 1 to DBL_MAX) (default 60)
-minimum_update_period <int> E....... Minimum Update Period (in seconds) of the manifest. (from 0 to INT_MAX) (default 0)
WebM Chunk Muxer AVOptions:
-chunk_start_index <int> E....... start index of the chunk (from 0 to INT_MAX) (default 0)
-header <string> E....... filename of the header where the initialization data will be written
-audio_chunk_duration <int> E....... duration of each chunk in milliseconds (from 0 to INT_MAX) (default 5000)
WebP muxer AVOptions:
-loop <int> E....... Number of times to loop the output: 0 - infinite loop (from 0 to 65535) (default 1)
SWScaler AVOptions:
-sws_flags <flags> E..V.... scaler flags (default 4)
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 1 to INT_MAX) (default 16)
-srch <int> E..V.... source height (from 1 to INT_MAX) (default 16)
-dstw <int> E..V.... destination width (from 1 to INT_MAX) (default 16)
-dsth <int> E..V.... destination height (from 1 to INT_MAX) (default 16)
-src_format <int> E..V.... source format (from 0 to 332) (default 0)
-dst_format <int> E..V.... destination format (from 0 to 332) (default 0)
-src_range <int> E..V.... source range (from 0 to 1) (default 0)
-dst_range <int> E..V.... destination range (from 0 to 1) (default 0)
-param0 <double> E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
-param1 <double> E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
-src_v_chr_pos <int> E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-src_h_chr_pos <int> E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_v_chr_pos <int> E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_h_chr_pos <int> E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-sws_dither <int> E..V.... set dithering algorithm (from 0 to 6) (default 1)
auto E..V.... leave choice to sws
bayer E..V.... bayer dither
ed E..V.... error diffusion
a_dither E..V.... arithmetic addition dither
x_dither E..V.... arithmetic xor dither
-gamma <int> E..V.... gamma correct scaling (from 0 to INT_MAX) (default 0)
true E..V.... enable
false E..V.... disable
SWResampler AVOptions:
-ich <int> ....A... set input channel count (from 0 to 32) (default 0)
-in_channel_count <int> ....A... set input channel count (from 0 to 32) (default 0)
-och <int> ....A... set output channel count (from 0 to 32) (default 0)
-out_channel_count <int> ....A... set output channel count (from 0 to 32) (default 0)
-uch <int> ....A... set used channel count (from 0 to 32) (default 0)
-used_channel_count <int> ....A... set used channel count (from 0 to 32) (default 0)
-isr <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0)
-in_sample_rate <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0)
-osr <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0)
-out_sample_rate <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0)
-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 -32 to 32) (default 0.707107)
-center_mix_level <float> ....A... set center mix level (from -32 to 32) (default 0.707107)
-slev <float> ....A... set surround mix level (from -32 to 32) (default 0.707107)
-surround_mix_level <float> ....A... set surround mix Level (from -32 to 32) (default 0.707107)
-lfe_mix_level <float> ....A... set LFE mix level (from -32 to 32) (default 0)
-rmvol <float> ....A... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_volume <float> ....A... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_maxval <float> ....A... set rematrix maxval (from 0 to 1000) (default 0)
-flags <flags> ....A... set flags (default 0)
res ....A... force resampling
-swr_flags <flags> ....A... set flags (default 0)
res ....A... force resampling
-dither_scale <float> ....A... set dither scale (from 0 to INT_MAX) (default 1)
-dither_method <int> ....A... set dither method (from 0 to 71) (default 0)
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 0 to INT_MAX) (default 32)
-phase_shift <int> ....A... set swr resampling phase shift (from 0 to 24) (default 10)
-linear_interp <int> ....A... enable linear interpolation (from 0 to 1) (default 0)
-cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
-resample_cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
-resampler <int> ....A... set resampling Engine (from 0 to 1) (default 0)
swr ....A... select SW Resampler
soxr ....A... select SoX Resampler
-precision <double> ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
-cheby <int> ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0)
-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 0 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 0 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 0 to INT_MAX) (default 1)
-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 0)
-async <float> ....A... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
-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 0 to 6) (default 0)
none ....A... select none
dolby ....A... select Dolby
dplii ....A... select Dolby Pro Logic II
-filter_type <int> ....A... select swr filter type (from 0 to 2) (default 2)
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 2 to 16) (default 9)
-output_sample_bits <int> ....A... set swr number of output sample bits (from 0 to 64) (default 0)
AVFilter AVOptions:
thread_type <flags> ..F..... Allowed thread types (default 1)
enable <string> ..F..... set enable expression
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 0 to 1) (default 0.6)
out_gain <float> ..F.A... set signal output gain (from 0 to 1) (default 0.3)
delays <string> ..F.A... set list of signal delays (default "1000")
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 0 to 1) (default 0)
in ..F.A... fade-in
out ..F.A... fade-out
t <int> ..F.A... set the fade direction (from 0 to 1) (default 0)
in ..F.A... fade-in
out ..F.A... fade-out
start_sample <int64> ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0)
ss <int64> ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0)
nb_samples <int> ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100)
ns <int> ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100)
start_time <duration> ..F.A... set time to start fading (default 0)
st <duration> ..F.A... set time to start fading (default 0)
duration <duration> ..F.A... set fade duration (default 0)
d <duration> ..F.A... set fade duration (default 0)
curve <int> ..F.A... set fade curve type (from 0 to 9) (default 0)
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 0 to 9) (default 0)
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 1 to INT_MAX) (default 2)
n <int> ..F.A... set number of inputs (from 1 to INT_MAX) (default 2)
allpass AVOptions:
frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 1)
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 0 to 99999) (default 707.1)
w <double> ..F.A... set filter-width (from 0 to 99999) (default 707.1)
amerge AVOptions:
inputs <int> ..F.A... specify the number of inputs (from 2 to 32) (default 2)
amix AVOptions:
inputs <int> ..F.A... Number of inputs. (from 1 to 32) (default 2)
duration <int> ..F.A... How to determine the end-of-stream. (from 0 to 2) (default 0)
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 0 to INT_MAX) (default 2)
apad AVOptions:
packet_size <int> ..F.A... set silence packet size (from 0 to INT_MAX) (default 4096)
pad_len <int64> ..F.A... set number of samples of silence to add (from -1 to I64_MAX) (default -1)
whole_len <int64> ..F.A... set minimum target number of samples in the audio stream (from -1 to I64_MAX) (default -1)
aperms AVOptions:
mode <int> ..FVA... select permissions mode (from 0 to 4) (default 0)
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 -1 to UINT32_MAX) (default -1)
aphaser AVOptions:
in_gain <double> ..F.A... set input gain (from 0 to 1) (default 0.4)
out_gain <double> ..F.A... set output gain (from 0 to 1e+09) (default 0.74)
delay <double> ..F.A... set delay in milliseconds (from 0 to 5) (default 3)
decay <double> ..F.A... set decay (from 0 to 0.99) (default 0.4)
speed <double> ..F.A... set modulation speed (from 0.1 to 2) (default 0.5)
type <int> ..F.A... set modulation type (from 0 to 1) (default 1)
triangular ..F.A...
t ..F.A...
sinusoidal ..F.A...
s ..F.A...
aresample AVOptions:
sample_rate <int> ..F.A... (from 0 to INT_MAX) (default 0)
SWResampler AVOptions:
-ich <int> ....A... set input channel count (from 0 to 32) (default 0)
-in_channel_count <int> ....A... set input channel count (from 0 to 32) (default 0)
-och <int> ....A... set output channel count (from 0 to 32) (default 0)
-out_channel_count <int> ....A... set output channel count (from 0 to 32) (default 0)
-uch <int> ....A... set used channel count (from 0 to 32) (default 0)
-used_channel_count <int> ....A... set used channel count (from 0 to 32) (default 0)
-isr <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0)
-in_sample_rate <int> ....A... set input sample rate (from 0 to INT_MAX) (default 0)
-osr <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0)
-out_sample_rate <int> ....A... set output sample rate (from 0 to INT_MAX) (default 0)
-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 -32 to 32) (default 0.707107)
-center_mix_level <float> ....A... set center mix level (from -32 to 32) (default 0.707107)
-slev <float> ....A... set surround mix level (from -32 to 32) (default 0.707107)
-surround_mix_level <float> ....A... set surround mix Level (from -32 to 32) (default 0.707107)
-lfe_mix_level <float> ....A... set LFE mix level (from -32 to 32) (default 0)
-rmvol <float> ....A... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_volume <float> ....A... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_maxval <float> ....A... set rematrix maxval (from 0 to 1000) (default 0)
-flags <flags> ....A... set flags (default 0)
res ....A... force resampling
-swr_flags <flags> ....A... set flags (default 0)
res ....A... force resampling
-dither_scale <float> ....A... set dither scale (from 0 to INT_MAX) (default 1)
-dither_method <int> ....A... set dither method (from 0 to 71) (default 0)
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 0 to INT_MAX) (default 32)
-phase_shift <int> ....A... set swr resampling phase shift (from 0 to 24) (default 10)
-linear_interp <int> ....A... enable linear interpolation (from 0 to 1) (default 0)
-cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
-resample_cutoff <double> ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
-resampler <int> ....A... set resampling Engine (from 0 to 1) (default 0)
swr ....A... select SW Resampler
soxr ....A... select SoX Resampler
-precision <double> ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
-cheby <int> ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0)
-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 0 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 0 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 0 to INT_MAX) (default 1)
-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 0)
-async <float> ....A... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
-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 0 to 6) (default 0)
none ....A... select none
dolby ....A... select Dolby
dplii ....A... select Dolby Pro Logic II
-filter_type <int> ....A... select swr filter type (from 0 to 2) (default 2)
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 2 to 16) (default 9)
-output_sample_bits <int> ....A... set swr number of output sample bits (from 0 to 64) (default 0)
aselect AVOptions:
expr <string> ..F.A... set an expression to use for selecting frames (default "1")
e <string> ..F.A... set an expression to use for selecting frames (default "1")
outputs <int> ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1)
n <int> ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1)
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 1 to INT_MAX) (default 1024)
n <int> ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
pad <int> ..F.A... pad last frame with zeros (from 0 to 1) (default 1)
p <int> ..F.A... pad last frame with zeros (from 0 to 1) (default 1)
asetpts AVOptions:
expr <string> ..FVA... Expression determining the frame timestamp (default "PTS")
asetrate AVOptions:
sample_rate <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
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 1 to INT_MAX) (default 2)
astats AVOptions:
length <double> ..F.A... set the window length (from 0.01 to 10) (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 2) (default 1)
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 0)
start_sample <int64> ..F.A... Number of the first audio sample that should be passed to the output (from -1 to I64_MAX) (default -1)
end_sample <int64> ..F.A... Number of the first audio sample that should be dropped again (from 0 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 0 to DBL_MAX) (default 0)
bandpass AVOptions:
frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
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 0 to 999) (default 0.5)
w <double> ..F.A... set band-width (from 0 to 999) (default 0.5)
csg <int> ..F.A... use constant skirt gain (from 0 to 1) (default 0)
bandreject AVOptions:
frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
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 0 to 999) (default 0.5)
w <double> ..F.A... set band-width (from 0 to 999) (default 0.5)
bass AVOptions:
frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 100)
f <double> ..F.A... set central frequency (from 0 to 999999) (default 100)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
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 0 to 99999) (default 0.5)
w <double> ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5)
gain <double> ..F.A... set gain (from -900 to 900) (default 0)
g <double> ..F.A... set gain (from -900 to 900) (default 0)
biquad AVOptions:
a0 <double> ..F.A... (from -32768 to 32767) (default 1)
a1 <double> ..F.A... (from -32768 to 32767) (default 1)
a2 <double> ..F.A... (from -32768 to 32767) (default 1)
b0 <double> ..F.A... (from -32768 to 32767) (default 1)
b1 <double> ..F.A... (from -32768 to 32767) (default 1)
b2 <double> ..F.A... (from -32768 to 32767) (default 1)
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")
chorus AVOptions:
in_gain <float> ..F.A... set input gain (from 0 to 1) (default 0.4)
out_gain <float> ..F.A... set output gain (from 0 to 1) (default 0.4)
delays <string> ..F.A... set delays
decays <string> ..F.A... set decays
speeds <string> ..F.A... set speeds
depths <string> ..F.A... set depths
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 900) (default 0.01)
gain <double> ..F.A... set output gain (from -900 to 900) (default 0)
volume <double> ..F.A... set initial volume (from -900 to 0) (default 0)
delay <double> ..F.A... set delay for samples before sending them to volume adjuster (from 0 to 20) (default 0)
dcshift AVOptions:
shift <double> ..F.A... set DC shift (from -1 to 1) (default 0)
limitergain <double> ..F.A... set limiter gain (from 0 to 1) (default 0)
ebur128 AVOptions:
video <int> ..FV.... set video output (from 0 to 1) (default 0)
size <image_size> ..FV.... set video size (default "640x480")
meter <int> ..FV.... set scale meter (+9 to +18) (from 9 to 18) (default 9)
framelog <int> ..FVA... force frame logging level (from INT_MIN to INT_MAX) (default -1)
info ..FVA... information logging level
verbose ..FVA... verbose logging level
metadata <int> ..FVA... inject metadata in the filtergraph (from 0 to 1) (default 0)
peak <flags> ..F.A... set peak mode (default 0)
none ..F.A... disable any peak mode
sample ..F.A... enable peak-sample mode
true ..F.A... enable true-peak mode
equalizer AVOptions:
frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 0)
f <double> ..F.A... set central frequency (from 0 to 999999) (default 0)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
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 0 to 999) (default 1)
w <double> ..F.A... set band-width (from 0 to 999) (default 1)
gain <double> ..F.A... set gain (from -900 to 900) (default 0)
g <double> ..F.A... set gain (from -900 to 900) (default 0)
flanger AVOptions:
delay <double> ..F.A... base delay in milliseconds (from 0 to 30) (default 0)
depth <double> ..F.A... added swept delay in milliseconds (from 0 to 10) (default 2)
regen <double> ..F.A... percentage regeneration (delayed signal feedback) (from -95 to 95) (default 0)
width <double> ..F.A... percentage of delayed signal mixed with original (from 0 to 100) (default 71)
speed <double> ..F.A... sweeps per second (Hz) (from 0.1 to 10) (default 0.5)
shape <int> ..F.A... swept wave shape (from 0 to 1) (default 0)
triangular ..F.A...
t ..F.A...
sinusoidal ..F.A...
s ..F.A...
phase <double> ..F.A... swept wave percentage phase-shift for multi-channel (from 0 to 100) (default 25)
interp <int> ..F.A... delay-line interpolation (from 0 to 1) (default 0)
linear ..F.A...
quadratic ..F.A...
highpass AVOptions:
frequency <double> ..F.A... set frequency (from 0 to 999999) (default 3000)
f <double> ..F.A... set frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set width (from 0 to 99999) (default 0.707)
w <double> ..F.A... set width (from 0 to 99999) (default 0.707)
poles <int> ..F.A... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A... set number of poles (from 1 to 2) (default 2)
join AVOptions:
inputs <int> ..F.A... Number of input streams. (from 1 to INT_MAX) (default 2)
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 0 to 999999) (default 500)
f <double> ..F.A... set frequency (from 0 to 999999) (default 500)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
h ..F.A... Hz
q ..F.A... Q-Factor
o ..F.A... octave
s ..F.A... slope
width <double> ..F.A... set width (from 0 to 99999) (default 0.707)
w <double> ..F.A... set width (from 0 to 99999) (default 0.707)
poles <int> ..F.A... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A... set number of poles (from 1 to 2) (default 2)
pan AVOptions:
args <string> ..F.A...
silencedetect AVOptions:
n <double> ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
noise <double> ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
d <double> ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2)
duration <double> ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2)
silenceremove AVOptions:
start_periods <int> ..F.A... (from 0 to 9000) (default 0)
start_duration <duration> ..F.A... (default 0)
start_threshold <double> ..F.A... (from 0 to DBL_MAX) (default 0)
stop_periods <int> ..F.A... (from -9000 to 9000) (default 0)
stop_duration <duration> ..F.A... (default 0)
stop_threshold <double> ..F.A... (from 0 to DBL_MAX) (default 0)
leave_silence <int> ..F.A... (from 0 to 1) (default 0)
treble AVOptions:
frequency <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A... set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A... set filter-width type (from 1 to 4) (default 3)
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 0 to 99999) (default 0.5)
w <double> ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5)
gain <double> ..F.A... set gain (from -900 to 900) (default 0)
g <double> ..F.A... set gain (from -900 to 900) (default 0)
volume AVOptions:
volume <string> ..F.A... set volume adjustment expression (default "1.0")
precision <int> ..F.A... select mathematical precision (from 0 to 2) (default 1)
fixed ..F.A... select 8-bit fixed-point
float ..F.A... select 32-bit floating-point
double ..F.A... select 64-bit floating-point
eval <int> ..F.A... specify when to evaluate expressions (from 0 to 1) (default 0)
once ..F.A... eval volume expression once
frame ..F.A... eval volume expression per-frame
-replaygain <int> ....A... Apply replaygain side data when present (from 0 to 3) (default 0)
drop ....A... replaygain side data is dropped
ignore ....A... replaygain side data is ignored
track ....A... track gain is preferred
album ....A... album gain is preferred
-replaygain_preamp <double> ....A... Apply replaygain pre-amplification (from -15 to 15) (default 0)
-replaygain_noclip <int> ....A... Apply replaygain clipping prevention (from 0 to 1) (default 1)
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 0 to INT_MAX) (default 1024)
n <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
sample_rate <string> ..F.A... set the sample rate (default "44100")
s <string> ..F.A... set the sample rate (default "44100")
duration <duration> ..F.A... set audio duration (default -1)
d <duration> ..F.A... set audio duration (default -1)
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 "44100")
r <string> ..F.A... set sample rate (default "44100")
nb_samples <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
n <int> ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
sine AVOptions:
frequency <double> ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440)
f <double> ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440)
beep_factor <double> ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0)
b <double> ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0)
sample_rate <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
duration <duration> ..F.A... set the audio duration (default 0)
d <duration> ..F.A... set the audio duration (default 0)
samples_per_frame <int> ..F.A... set the number of samples per frame (from 0 to INT_MAX) (default 1024)
bbox AVOptions:
min_val <int> ..FV.... set minimum luminance value for bounding box (from 0 to 254) (default 16)
blackdetect AVOptions:
d <double> ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
black_min_duration <double> ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
picture_black_ratio_th <double> ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98)
pic_th <double> ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98)
pixel_black_th <double> ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1)
pix_th <double> ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1)
blackframe AVOptions:
amount <int> ..FV.... Percentage of the pixels that have to be below the threshold for the frame to be considered black. (from 0 to 100) (default 98)
threshold <int> ..FV.... threshold below which a pixel value is considered black (from 0 to 255) (default 32)
thresh <int> ..FV.... threshold below which a pixel value is considered black (from 0 to 255) (default 32)
blend AVOptions:
c0_mode <int> ..FV.... set component #0 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #1 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #2 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #3 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 -1 to 24) (default -1)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #0 expression
c1_expr <string> ..FV.... set color component #1 expression
c2_expr <string> ..FV.... set color component #2 expression
c3_expr <string> ..FV.... set color component #3 expression
all_expr <string> ..FV.... set expression for all color components
c0_opacity <double> ..FV.... set color component #0 opacity (from 0 to 1) (default 1)
c1_opacity <double> ..FV.... set color component #1 opacity (from 0 to 1) (default 1)
c2_opacity <double> ..FV.... set color component #2 opacity (from 0 to 1) (default 1)
c3_opacity <double> ..FV.... set color component #3 opacity (from 0 to 1) (default 1)
all_opacity <double> ..FV.... set opacity for all color components (from 0 to 1) (default 1)
shortest <int> ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0)
repeatlast <int> ..FV.... repeat last bottom frame (from 0 to 1) (default 1)
boxblur AVOptions:
luma_radius <string> ..FV.... Radius of the luma blurring box (default "2")
lr <string> ..FV.... Radius of the luma blurring box (default "2")
luma_power <int> ..FV.... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
lp <int> ..FV.... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
chroma_radius <string> ..FV.... Radius of the chroma blurring box
cr <string> ..FV.... Radius of the chroma blurring box
chroma_power <int> ..FV.... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
cp <int> ..FV.... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
alpha_radius <string> ..FV.... Radius of the alpha blurring box
ar <string> ..FV.... Radius of the alpha blurring box
alpha_power <int> ..FV.... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
ap <int> ..FV.... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
codecview AVOptions:
mv <flags> ..FV.... set motion vectors to visualize (default 0)
pf ..FV.... forward predicted MVs of P-frames
bf ..FV.... forward predicted MVs of B-frames
bb ..FV.... backward predicted MVs of B-frames
colorbalance AVOptions:
rs <double> ..FV.... set red shadows (from -1 to 1) (default 0)
gs <double> ..FV.... set green shadows (from -1 to 1) (default 0)
bs <double> ..FV.... set blue shadows (from -1 to 1) (default 0)
rm <double> ..FV.... set red midtones (from -1 to 1) (default 0)
gm <double> ..FV.... set green midtones (from -1 to 1) (default 0)
bm <double> ..FV.... set blue midtones (from -1 to 1) (default 0)
rh <double> ..FV.... set red highlights (from -1 to 1) (default 0)
gh <double> ..FV.... set green highlights (from -1 to 1) (default 0)
bh <double> ..FV.... set blue highlights (from -1 to 1) (default 0)
colorchannelmixer AVOptions:
rr <double> ..FV.... set the red gain for the red channel (from -2 to 2) (default 1)
rg <double> ..FV.... set the green gain for the red channel (from -2 to 2) (default 0)
rb <double> ..FV.... set the blue gain for the red channel (from -2 to 2) (default 0)
ra <double> ..FV.... set the alpha gain for the red channel (from -2 to 2) (default 0)
gr <double> ..FV.... set the red gain for the green channel (from -2 to 2) (default 0)
gg <double> ..FV.... set the green gain for the green channel (from -2 to 2) (default 1)
gb <double> ..FV.... set the blue gain for the green channel (from -2 to 2) (default 0)
ga <double> ..FV.... set the alpha gain for the green channel (from -2 to 2) (default 0)
br <double> ..FV.... set the red gain for the blue channel (from -2 to 2) (default 0)
bg <double> ..FV.... set the green gain for the blue channel (from -2 to 2) (default 0)
bb <double> ..FV.... set the blue gain for the blue channel (from -2 to 2) (default 1)
ba <double> ..FV.... set the alpha gain for the blue channel (from -2 to 2) (default 0)
ar <double> ..FV.... set the red gain for the alpha channel (from -2 to 2) (default 0)
ag <double> ..FV.... set the green gain for the alpha channel (from -2 to 2) (default 0)
ab <double> ..FV.... set the blue gain for the alpha channel (from -2 to 2) (default 0)
aa <double> ..FV.... set the alpha gain for the alpha channel (from -2 to 2) (default 1)
colorlevels AVOptions:
rimin <double> ..FV.... set input red black point (from -1 to 1) (default 0)
gimin <double> ..FV.... set input green black point (from -1 to 1) (default 0)
bimin <double> ..FV.... set input blue black point (from -1 to 1) (default 0)
aimin <double> ..FV.... set input alpha black point (from -1 to 1) (default 0)
rimax <double> ..FV.... set input red white point (from -1 to 1) (default 1)
gimax <double> ..FV.... set input green white point (from -1 to 1) (default 1)
bimax <double> ..FV.... set input blue white point (from -1 to 1) (default 1)
aimax <double> ..FV.... set input alpha white point (from -1 to 1) (default 1)
romin <double> ..FV.... set output red black point (from 0 to 1) (default 0)
gomin <double> ..FV.... set output green black point (from 0 to 1) (default 0)
bomin <double> ..FV.... set output blue black point (from 0 to 1) (default 0)
aomin <double> ..FV.... set output alpha black point (from 0 to 1) (default 0)
romax <double> ..FV.... set output red white point (from 0 to 1) (default 1)
gomax <double> ..FV.... set output green white point (from 0 to 1) (default 1)
bomax <double> ..FV.... set output blue white point (from 0 to 1) (default 1)
aomax <double> ..FV.... set output alpha white point (from 0 to 1) (default 1)
colormatrix AVOptions:
src <int> ..FV.... set source color matrix (from -1 to 3) (default -1)
bt709 ..FV.... set BT.709 colorspace
fcc ..FV.... set FCC colorspace
bt601 ..FV.... set BT.601 colorspace
bt470 ..FV.... set BT.470 colorspace
smpte170m ..FV.... set SMTPE-170M colorspace
smpte240m ..FV.... set SMPTE-240M colorspace
dst <int> ..FV.... set destination color matrix (from -1 to 3) (default -1)
bt709 ..FV.... set BT.709 colorspace
fcc ..FV.... set FCC colorspace
bt601 ..FV.... set BT.601 colorspace
bt470 ..FV.... set BT.470 colorspace
smpte170m ..FV.... set SMTPE-170M colorspace
smpte240m ..FV.... set SMPTE-240M colorspace
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 0 to 1) (default 0)
cropdetect AVOptions:
limit <float> ..FV.... Threshold below which the pixel is considered black (from 0 to 65535) (default 0.0941176)
round <int> ..FV.... Value by which the width/height should be divisible (from 0 to INT_MAX) (default 16)
reset <int> ..FV.... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0)
reset_count <int> ..FV.... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0)
max_outliers <int> ..FV.... Threshold count of outliers (from 0 to INT_MAX) (default 0)
curves AVOptions:
preset <int> ..FV.... select a color curves preset (from 0 to 10) (default 0)
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 0 to 999) (default 0)
s <float> ..FV.... set noise sigma constant (from 0 to 999) (default 0)
overlap <int> ..FV.... set number of block overlapping pixels (from -1 to 15) (default -1)
expr <string> ..FV.... set coefficient factor expression
e <string> ..FV.... set coefficient factor expression
n <int> ..FV.... set the block size, expressed in bits (from 3 to 4) (default 3)
decimate AVOptions:
cycle <int> ..FV.... set the number of frame from which one will be dropped (from 2 to 25) (default 5)
dupthresh <double> ..FV.... set duplicate threshold (from 0 to 100) (default 1.1)
scthresh <double> ..FV.... set scene change threshold (from 0 to 100) (default 15)
blockx <int> ..FV.... set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32)
blocky <int> ..FV.... set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32)
ppsrc <int> ..FV.... mark main input as a pre-processed input and activate clean source input stream (from 0 to 1) (default 0)
chroma <int> ..FV.... set whether or not chroma is considered in the metric calculations (from 0 to 1) (default 1)
dejudder AVOptions:
cycle <int> ..FV.... set the length of the cycle to use for dejuddering (from 2 to 240) (default 4)
delogo AVOptions:
x <int> ..FV.... set logo x position (from -1 to INT_MAX) (default -1)
y <int> ..FV.... set logo y position (from -1 to INT_MAX) (default -1)
w <int> ..FV.... set logo width (from -1 to INT_MAX) (default -1)
h <int> ..FV.... set logo height (from -1 to INT_MAX) (default -1)
band <int> ..FV.... set delogo area band size (from 1 to INT_MAX) (default 4)
t <int> ..FV.... set delogo area band size (from 1 to INT_MAX) (default 4)
show <int> ..FV.... show delogo area (from 0 to 1) (default 0)
deshake AVOptions:
x <int> ..FV.... set x for the rectangular search area (from -1 to INT_MAX) (default -1)
y <int> ..FV.... set y for the rectangular search area (from -1 to INT_MAX) (default -1)
w <int> ..FV.... set width for the rectangular search area (from -1 to INT_MAX) (default -1)
h <int> ..FV.... set height for the rectangular search area (from -1 to INT_MAX) (default -1)
rx <int> ..FV.... set x for the rectangular search area (from 0 to 64) (default 16)
ry <int> ..FV.... set y for the rectangular search area (from 0 to 64) (default 16)
edge <int> ..FV.... set edge mode (from 0 to 3) (default 3)
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 4 to 128) (default 8)
contrast <int> ..FV.... set contrast threshold for blocks (from 1 to 255) (default 125)
search <int> ..FV.... set search strategy (from 0 to 1) (default 0)
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 0 to 1) (default 0)
detelecine AVOptions:
first_field <int> ..FV.... select first field (from 0 to 1) (default 0)
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 "23")
start_frame <int> ..FV.... position of first frame with respect to the pattern if stream is cut (from 0 to 13) (default 0)
drawbox AVOptions:
x <string> ..FV.... set horizontal position of the left box edge (default "0")
y <string> ..FV.... set vertical position of the top box edge (default "0")
width <string> ..FV.... set width of the box (default "0")
w <string> ..FV.... set width of the box (default "0")
height <string> ..FV.... set height of the box (default "0")
h <string> ..FV.... set height of the box (default "0")
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 "3")
t <string> ..FV.... set the box thickness (default "3")
drawgrid AVOptions:
x <string> ..FV.... set horizontal offset (default "0")
y <string> ..FV.... set vertical offset (default "0")
width <string> ..FV.... set width of grid cell (default "0")
w <string> ..FV.... set width of grid cell (default "0")
height <string> ..FV.... set height of grid cell (default "0")
h <string> ..FV.... set height of grid cell (default "0")
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 "1")
t <string> ..FV.... set grid line thickness (default "1")
edgedetect AVOptions:
high <double> ..FV.... set high threshold (from 0 to 1) (default 0.196078)
low <double> ..FV.... set low threshold (from 0 to 1) (default 0.0784314)
mode <int> ..FV.... set mode (from 0 to 1) (default 0)
wires ..FV.... white/gray wires on black
colormix ..FV.... mix colors
elbg AVOptions:
codebook_length <int> ..FV.... set codebook length (from 1 to INT_MAX) (default 256)
l <int> ..FV.... set codebook length (from 1 to INT_MAX) (default 256)
nb_steps <int> ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
n <int> ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
seed <int> ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1)
s <int> ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1)
eq AVOptions:
contrast <string> ..FV.... set the contrast adjustment, negative values give a negative image (default "1.0")
brightness <string> ..FV.... set the brightness adjustment (default "0.0")
saturation <string> ..FV.... set the saturation adjustment (default "1.0")
gamma <string> ..FV.... set the initial gamma value (default "1.0")
gamma_r <string> ..FV.... gamma value for red (default "1.0")
gamma_g <string> ..FV.... gamma value for green (default "1.0")
gamma_b <string> ..FV.... gamma value for blue (default "1.0")
gamma_weight <string> ..FV.... set the gamma weight which reduces the effect of gamma on bright areas (default "1.0")
eval <int> ..FV.... specify when to evaluate expressions (from 0 to 1) (default 0)
init ..FV.... eval expressions once during initialization
frame ..FV.... eval expressions per-frame
extractplanes AVOptions:
planes <flags> ..FV.... set planes (default 1)
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 0 to 1) (default 0)
t <int> ..FV.... 'in' or 'out' for fade-in/fade-out (from 0 to 1) (default 0)
start_frame <int> ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
s <int> ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
nb_frames <int> ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25)
n <int> ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25)
alpha <int> ..FV.... fade alpha if it is available on the input (from 0 to 1) (default 0)
start_time <duration> ..FV.... Number of seconds of the beginning of the effect. (default 0)
st <duration> ..FV.... Number of seconds of the beginning of the effect. (default 0)
duration <duration> ..FV.... Duration of the effect in seconds. (default 0)
d <duration> ..FV.... Duration of the effect in seconds. (default 0)
color <color> ..FV.... set color (default "black")
c <color> ..FV.... set color (default "black")
fftfilt AVOptions:
dc_Y <int> ..FV.... adjust gain in Y plane (from 0 to 1000) (default 0)
dc_U <int> ..FV.... adjust gain in U plane (from 0 to 1000) (default 0)
dc_V <int> ..FV.... adjust gain in V plane (from 0 to 1000) (default 0)
weight_Y <string> ..FV.... set luminance expression in Y plane (default "1")
weight_U <string> ..FV.... set chrominance expression in U plane
weight_V <string> ..FV.... set chrominance expression in V plane
field AVOptions:
type <int> ..FV.... set field type (top or bottom) (from 0 to 1) (default 0)
top ..FV.... select top field
bottom ..FV.... select bottom field
fieldmatch AVOptions:
order <int> ..FV.... specify the assumed field order (from -1 to 1) (default -1)
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 0 to 5) (default 1)
pc ..FV.... 2-way match (p/c)
pc_n ..FV.... 2-way match + 3rd match on combed (p/c + u)
pc_u ..FV.... 2-way match + 3rd match (same order) on combed (p/c + u)
pc_n_ub ..FV.... 2-way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b)
pcn ..FV.... 3-way match (p/c/n)
pcn_ub ..FV.... 3-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 0 to 1) (default 0)
field <int> ..FV.... set the field to match from (from -1 to 1) (default -1)
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 0 to 1) (default 1)
y0 <int> ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
y1 <int> ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
scthresh <double> ..FV.... set scene change detection threshold (from 0 to 100) (default 12)
combmatch <int> ..FV.... set combmatching mode (from 0 to 2) (default 1)
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 0 to 2) (default 0)
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 -1 to 255) (default 9)
chroma <int> ..FV.... set whether or not chroma is considered in the combed frame decision (from 0 to 1) (default 0)
blockx <int> ..FV.... set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
blocky <int> ..FV.... set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
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 0 to INT_MAX) (default 80)
fieldorder AVOptions:
order <int> ..FV.... output field order (from 0 to 1) (default 1)
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 "25")
-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 0 to 5) (default 5)
zero ..FV.... round towards 0
inf ..FV.... round away from 0
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 0 to INT_MAX) (default 1)
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 1 to INT_MAX) (default 1)
fspp AVOptions:
quality <int> ..FV.... set quality (from 4 to 5) (default 4)
qp <int> ..FV.... force a constant quantizer parameter (from 0 to 64) (default 0)
strength <int> ..FV.... set filter strength (from -15 to 32) (default 0)
use_bframe_qp <int> ..FV.... use B-frames' QP (from 0 to 1) (default 0)
geq AVOptions:
lum_expr <string> ..FV.... set luminance expression
lum <string> ..FV.... set luminance expression
cb_expr <string> ..FV.... set chroma blue expression
cb <string> ..FV.... set chroma blue expression
cr_expr <string> ..FV.... set chroma red expression
cr <string> ..FV.... set chroma red expression
alpha_expr <string> ..FV.... set alpha expression
a <string> ..FV.... set alpha expression
red_expr <string> ..FV.... set red expression
r <string> ..FV.... set red expression
green_expr <string> ..FV.... set green expression
g <string> ..FV.... set green expression
blue_expr <string> ..FV.... set blue expression
b <string> ..FV.... set blue expression
gradfun AVOptions:
strength <float> ..FV.... The maximum amount by which the filter will change any one pixel. (from 0.51 to 64) (default 1.2)
radius <int> ..FV.... The neighborhood to fit the gradient to. (from 4 to 32) (default 16)
haldclut AVOptions:
shortest <int> ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0)
repeatlast <int> ..FV.... continue applying the last clut after eos (from 0 to 1) (default 1)
interp <int> ..FV.... select interpolation mode (from 0 to 2) (default 2)
nearest ..FV.... use values from the nearest defined points
trilinear ..FV.... interpolate values using the 8 points defining a cube
tetrahedral ..FV.... interpolate values using a tetrahedron
histeq AVOptions:
strength <float> ..FV.... set the strength (from 0 to 1) (default 0.2)
intensity <float> ..FV.... set the intensity (from 0 to 1) (default 0.21)
antibanding <int> ..FV.... set the antibanding level (from 0 to 2) (default 0)
none ..FV.... apply no antibanding
weak ..FV.... apply weak antibanding
strong ..FV.... apply strong antibanding
histogram AVOptions:
mode <int> ..FV.... set histogram mode (from 0 to 3) (default 0)
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 50 to 2048) (default 200)
scale_height <int> ..FV.... set scale height (from 0 to 40) (default 12)
step <int> ..FV.... set waveform step value (from 1 to 255) (default 10)
waveform_mode <int> ..FV.... set waveform mode (from 0 to 1) (default 0)
row ..FV....
column ..FV....
waveform_mirror <int> ..FV.... set waveform mirroring (from 0 to 1) (default 0)
display_mode <int> ..FV.... set display mode (from 0 to 1) (default 1)
parade ..FV....
overlay ..FV....
levels_mode <int> ..FV.... set levels mode (from 0 to 1) (default 0)
linear ..FV....
logarithmic ..FV....
hqdn3d AVOptions:
luma_spatial <double> ..FV.... spatial luma strength (from 0 to DBL_MAX) (default 0)
chroma_spatial <double> ..FV.... spatial chroma strength (from 0 to DBL_MAX) (default 0)
luma_tmp <double> ..FV.... temporal luma strength (from 0 to DBL_MAX) (default 0)
chroma_tmp <double> ..FV.... temporal chroma strength (from 0 to DBL_MAX) (default 0)
hqx AVOptions:
n <int> ..FV.... set scale factor (from 2 to 4) (default 3)
hue AVOptions:
h <string> ..FV.... set the hue angle degrees expression
s <string> ..FV.... set the saturation expression (default "1")
H <string> ..FV.... set the hue angle radians expression
b <string> ..FV.... set the brightness expression (default "0")
idet AVOptions:
intl_thres <float> ..FV.... set interlacing threshold (from -1 to FLT_MAX) (default 1.04)
prog_thres <float> ..FV.... set progressive threshold (from -1 to FLT_MAX) (default 1.5)
rep_thres <float> ..FV.... set repeat threshold (from -1 to FLT_MAX) (default 3)
half_life <float> ..FV.... half life of cumulative statistics (from -1 to INT_MAX) (default 0)
analyze_interlaced_flag <int> ..FV.... set number of frames to use to determine if the interlace flag is accurate (from 0 to INT_MAX) (default 0)
il AVOptions:
luma_mode <int> ..FV.... select luma mode (from 0 to 2) (default 0)
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
l <int> ..FV.... select luma mode (from 0 to 2) (default 0)
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
chroma_mode <int> ..FV.... select chroma mode (from 0 to 2) (default 0)
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
c <int> ..FV.... select chroma mode (from 0 to 2) (default 0)
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
alpha_mode <int> ..FV.... select alpha mode (from 0 to 2) (default 0)
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
a <int> ..FV.... select alpha mode (from 0 to 2) (default 0)
none ..FV....
interleave ..FV....
i ..FV....
deinterleave ..FV....
d ..FV....
luma_swap <int> ..FV.... swap luma fields (from 0 to 1) (default 0)
ls <int> ..FV.... swap luma fields (from 0 to 1) (default 0)
chroma_swap <int> ..FV.... swap chroma fields (from 0 to 1) (default 0)
cs <int> ..FV.... swap chroma fields (from 0 to 1) (default 0)
alpha_swap <int> ..FV.... swap alpha fields (from 0 to 1) (default 0)
as <int> ..FV.... swap alpha fields (from 0 to 1) (default 0)
interlace AVOptions:
-scan <int> ...V.... scanning mode (from 0 to 1) (default 0)
tff ...V.... top field first
bff ...V.... bottom field first
-lowpass <int> ...V.... enable vertical low-pass filter (from 0 to 1) (default 1)
interleave AVOptions:
nb_inputs <int> ..FV.... set number of inputs (from 1 to INT_MAX) (default 2)
n <int> ..FV.... set number of inputs (from 1 to INT_MAX) (default 2)
kerndeint AVOptions:
thresh <int> ..FV.... set the threshold (from 0 to 255) (default 10)
map <int> ..FV.... set the map (from 0 to 1) (default 0)
order <int> ..FV.... set the order (from 0 to 1) (default 0)
sharp <int> ..FV.... enable sharpening (from 0 to 1) (default 0)
twoway <int> ..FV.... enable twoway (from 0 to 1) (default 0)
lenscorrection AVOptions:
cx <double> ..FV.... set relative center x (from 0 to 1) (default 0.5)
cy <double> ..FV.... set relative center y (from 0 to 1) (default 0.5)
k1 <double> ..FV.... set quadratic distortion factor (from -1 to 1) (default 0)
k2 <double> ..FV.... set double quadratic distortion factor (from -1 to 1) (default 0)
lut3d AVOptions:
file <string> ..FV.... set 3D LUT file name
interp <int> ..FV.... select interpolation mode (from 0 to 2) (default 2)
nearest ..FV.... use values from the nearest defined points
trilinear ..FV.... interpolate values using the 8 points defining a cube
tetrahedral ..FV.... interpolate values using a tetrahedron
lut AVOptions:
c0 <string> ..FV.... set component #0 expression (default "val")
c1 <string> ..FV.... set component #1 expression (default "val")
c2 <string> ..FV.... set component #2 expression (default "val")
c3 <string> ..FV.... set component #3 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 #0 expression (default "val")
c1 <string> ..FV.... set component #1 expression (default "val")
c2 <string> ..FV.... set component #2 expression (default "val")
c3 <string> ..FV.... set component #3 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 #0 expression (default "val")
c1 <string> ..FV.... set component #1 expression (default "val")
c2 <string> ..FV.... set component #2 expression (default "val")
c3 <string> ..FV.... set component #3 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")
mcdeint AVOptions:
mode <int> ..FV.... set mode (from 0 to 3) (default 0)
fast ..FV....
medium ..FV....
slow ..FV....
extra_slow ..FV....
parity <int> ..FV.... set the assumed picture field parity (from -1 to 1) (default 1)
tff ..FV.... assume top field first
bff ..FV.... assume bottom field first
qp <int> ..FV.... set qp (from INT_MIN to INT_MAX) (default 1)
mergeplanes AVOptions:
mapping <int> ..FV.... set input to output plane mapping (from 0 to 8.58993e+08) (default 0)
format <pix_fmt> ..FV.... set output pixel format (default yuva444p)
mpdecimate AVOptions:
max <int> ..FV.... set the maximum number of consecutive dropped frames (positive), or the minimum interval between dropped frames (negative) (from INT_MIN to INT_MAX) (default 0)
hi <int> ..FV.... set high dropping threshold (from INT_MIN to INT_MAX) (default 768)
lo <int> ..FV.... set low dropping threshold (from INT_MIN to INT_MAX) (default 320)
frac <float> ..FV.... set fraction dropping threshold (from 0 to 1) (default 0.33)
negate AVOptions:
negate_alpha <int> ..FV.... (from 0 to 1) (default 0)
noformat AVOptions:
-pix_fmts <string> ...V.... A '|'-separated list of pixel formats
noise AVOptions:
all_seed <int> ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1)
all_strength <int> ..FV.... set component #0 strength (from 0 to 100) (default 0)
alls <int> ..FV.... set component #0 strength (from 0 to 100) (default 0)
all_flags <flags> ..FV.... set component #0 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
allf <flags> ..FV.... set component #0 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c0_seed <int> ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1)
c0_strength <int> ..FV.... set component #0 strength (from 0 to 100) (default 0)
c0s <int> ..FV.... set component #0 strength (from 0 to 100) (default 0)
c0_flags <flags> ..FV.... set component #0 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c0f <flags> ..FV.... set component #0 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c1_seed <int> ..FV.... set component #1 noise seed (from -1 to INT_MAX) (default -1)
c1_strength <int> ..FV.... set component #1 strength (from 0 to 100) (default 0)
c1s <int> ..FV.... set component #1 strength (from 0 to 100) (default 0)
c1_flags <flags> ..FV.... set component #1 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c1f <flags> ..FV.... set component #1 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c2_seed <int> ..FV.... set component #2 noise seed (from -1 to INT_MAX) (default -1)
c2_strength <int> ..FV.... set component #2 strength (from 0 to 100) (default 0)
c2s <int> ..FV.... set component #2 strength (from 0 to 100) (default 0)
c2_flags <flags> ..FV.... set component #2 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c2f <flags> ..FV.... set component #2 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c3_seed <int> ..FV.... set component #3 noise seed (from -1 to INT_MAX) (default -1)
c3_strength <int> ..FV.... set component #3 strength (from 0 to 100) (default 0)
c3s <int> ..FV.... set component #3 strength (from 0 to 100) (default 0)
c3_flags <flags> ..FV.... set component #3 flags (default 0)
a ..FV.... averaged noise
p ..FV.... (semi)regular pattern
t ..FV.... temporal noise
u ..FV.... uniform noise
c3f <flags> ..FV.... set component #3 flags (default 0)
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 "0")
y <string> ..FV.... set the y expression (default "0")
eof_action <int> ..FV.... Action to take when encountering EOF from secondary input (from 0 to 2) (default 0)
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 0 to 1) (default 1)
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 0 to 1) (default 0)
shortest <int> ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0)
format <int> ..FV.... set output format (from 0 to 3) (default 0)
yuv420 ..FV....
yuv422 ..FV....
yuv444 ..FV....
rgb ..FV....
repeatlast <int> ..FV.... repeat overlay of the last overlay frame (from 0 to 1) (default 1)
owdenoise AVOptions:
depth <int> ..FV.... set depth (from 8 to 16) (default 8)
luma_strength <double> ..FV.... set luma strength (from 0 to 1000) (default 1)
ls <double> ..FV.... set luma strength (from 0 to 1000) (default 1)
chroma_strength <double> ..FV.... set chroma strength (from 0 to 1000) (default 1)
cs <double> ..FV.... set chroma strength (from 0 to 1000) (default 1)
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 "0")
y <string> ..FV.... set the y offset expression for the input image position (default "0")
color <color> ..FV.... set the color of the padded area border (default "black")
palettegen AVOptions:
max_colors <int> ..FV.... set the maximum number of colors to use in the palette (from 4 to 256) (default 256)
reserve_transparent <int> ..FV.... reserve a palette entry for transparency (from 0 to 1) (default 1)
stats_mode <int> ..FV.... set statistics mode (from 0 to 2) (default 0)
full ..FV.... compute full frame histograms
diff ..FV.... compute histograms only for the part that differs from previous frame
paletteuse AVOptions:
dither <int> ..FV.... select dithering mode (from 0 to 5) (default 5)
bayer ..FV.... ordered 8x8 bayer dithering (deterministic)
heckbert ..FV.... dithering as defined by Paul Heckbert in 1982 (simple error diffusion)
floyd_steinberg ..FV.... Floyd and Steingberg dithering (error diffusion)
sierra2 ..FV.... Frankie Sierra dithering v2 (error diffusion)
sierra2_4a ..FV.... Frankie Sierra dithering v2 "Lite" (error diffusion)
bayer_scale <int> ..FV.... set scale for bayer dithering (from 0 to 5) (default 2)
diff_mode <int> ..FV.... set frame difference mode (from 0 to 1) (default 0)
rectangle ..FV.... process smallest different rectangle
debug_kdtree <string> ..FV.... save Graphviz graph of the kdtree in specified file
color_search <int> ..FV.... set reverse colormap color search method (from 0 to 2) (default 0)
nns_iterative ..FV.... iterative search
nns_recursive ..FV.... recursive search
bruteforce ..FV.... brute-force into the palette
mean_err <int> ..FV.... compute and print mean error (from 0 to 1) (default 0)
debug_accuracy <flags> ..FV.... test color search accuracy (default 0)
perms AVOptions:
mode <int> ..FVA... select permissions mode (from 0 to 4) (default 0)
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 -1 to UINT32_MAX) (default -1)
perspective AVOptions:
x0 <string> ..FV.... set top left x coordinate (default "0")
y0 <string> ..FV.... set top left y coordinate (default "0")
x1 <string> ..FV.... set top right x coordinate (default "W")
y1 <string> ..FV.... set top right y coordinate (default "0")
x2 <string> ..FV.... set bottom left x coordinate (default "0")
y2 <string> ..FV.... set bottom left y coordinate (default "H")
x3 <string> ..FV.... set bottom right x coordinate (default "W")
y3 <string> ..FV.... set bottom right y coordinate (default "H")
interpolation <int> ..FV.... set interpolation (from 0 to 1) (default 0)
linear ..FV....
cubic ..FV....
sense <int> ..FV.... specify the sense of the coordinates (from 0 to 1) (default 0)
source ..FV.... specify locations in source to send to corners in destination
destination ..FV.... specify locations in destination to send corners of source
phase AVOptions:
mode <int> ..FV.... set phase mode (from 0 to 8) (default 8)
p ..FV.... progressive
t ..FV.... top first
b ..FV.... bottom first
T ..FV.... top first analyze
B ..FV.... bottom first analyze
u ..FV.... analyze
U ..FV.... full analyze
a ..FV.... auto
A ..FV.... auto analyze
pp AVOptions:
subfilters <string> ..FV.... set postprocess subfilters (default "de")
pp7 AVOptions:
qp <int> ..FV.... force a constant quantizer parameter (from 0 to 64) (default 0)
mode <int> ..FV.... set thresholding mode (from 0 to 2) (default 2)
hard ..FV.... hard thresholding
soft ..FV.... soft thresholding
medium ..FV.... medium thresholding
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
pullup AVOptions:
jl <int> ..FV.... set left junk size (from 0 to INT_MAX) (default 1)
jr <int> ..FV.... set right junk size (from 0 to INT_MAX) (default 1)
jt <int> ..FV.... set top junk size (from 1 to INT_MAX) (default 4)
jb <int> ..FV.... set bottom junk size (from 1 to INT_MAX) (default 4)
sb <int> ..FV.... set strict breaks (from -1 to 1) (default 0)
mp <int> ..FV.... set metric plane (from 0 to 2) (default 0)
y ..FV.... luma
u ..FV.... chroma blue
v ..FV.... chroma red
qp AVOptions:
qp <string> ..FV.... set qp expression
removelogo AVOptions:
filename <string> ..FV.... set bitmap filename
f <string> ..FV.... set bitmap filename
rotate AVOptions:
angle <string> ..FV.... set angle (in radians) (default "0")
a <string> ..FV.... set angle (in radians) (default "0")
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 0 to 1) (default 1)
sab AVOptions:
luma_radius <float> ..FV.... set luma radius (from 0.1 to 4) (default 1)
lr <float> ..FV.... set luma radius (from 0.1 to 4) (default 1)
luma_pre_filter_radius <float> ..FV.... set luma pre-filter radius (from 0.1 to 2) (default 1)
lpfr <float> ..FV.... set luma pre-filter radius (from 0.1 to 2) (default 1)
luma_strength <float> ..FV.... set luma strength (from 0.1 to 100) (default 1)
ls <float> ..FV.... set luma strength (from 0.1 to 100) (default 1)
chroma_radius <float> ..FV.... set chroma radius (from -0.9 to 4) (default -0.9)
cr <float> ..FV.... set chroma radius (from -0.9 to 4) (default -0.9)
chroma_pre_filter_radius <float> ..FV.... set chroma pre-filter radius (from -0.9 to 2) (default -0.9)
cpfr <float> ..FV.... set chroma pre-filter radius (from -0.9 to 2) (default -0.9)
chroma_strength <float> ..FV.... set chroma strength (from -0.9 to 100) (default -0.9)
cs <float> ..FV.... set chroma strength (from -0.9 to 100) (default -0.9)
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 -1 to 1) (default 0)
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 0 to 2) (default 0)
auto ..FV....
full ..FV....
jpeg ..FV....
mpeg ..FV....
tv ..FV....
pc ..FV....
out_range <int> ..FV.... set output color range (from 0 to 2) (default 0)
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/256 (from -513 to 512) (default -513)
in_h_chr_pos <int> ..FV.... input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
out_v_chr_pos <int> ..FV.... output vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
out_h_chr_pos <int> ..FV.... output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
force_original_aspect_ratio <int> ..FV.... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default 0)
disable ..FV....
decrease ..FV....
increase ..FV....
SWScaler AVOptions:
-sws_flags <flags> E..V.... scaler flags (default 4)
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 1 to INT_MAX) (default 16)
-srch <int> E..V.... source height (from 1 to INT_MAX) (default 16)
-dstw <int> E..V.... destination width (from 1 to INT_MAX) (default 16)
-dsth <int> E..V.... destination height (from 1 to INT_MAX) (default 16)
-src_format <int> E..V.... source format (from 0 to 332) (default 0)
-dst_format <int> E..V.... destination format (from 0 to 332) (default 0)
-src_range <int> E..V.... source range (from 0 to 1) (default 0)
-dst_range <int> E..V.... destination range (from 0 to 1) (default 0)
-param0 <double> E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
-param1 <double> E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
-src_v_chr_pos <int> E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-src_h_chr_pos <int> E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_v_chr_pos <int> E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_h_chr_pos <int> E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-sws_dither <int> E..V.... set dithering algorithm (from 0 to 6) (default 1)
auto E..V.... leave choice to sws
bayer E..V.... bayer dither
ed E..V.... error diffusion
a_dither E..V.... arithmetic addition dither
x_dither E..V.... arithmetic xor dither
-gamma <int> E..V.... gamma correct scaling (from 0 to INT_MAX) (default 0)
true E..V.... enable
false E..V.... disable
select AVOptions:
expr <string> ..FV.... set an expression to use for selecting frames (default "1")
e <string> ..FV.... set an expression to use for selecting frames (default "1")
outputs <int> ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1)
n <int> ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1)
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 "0")
ratio <string> ..FV.... set display aspect ratio (default "0")
r <string> ..FV.... set display aspect ratio (default "0")
dar_den <float> ..FV.... (from 0 to FLT_MAX) (default 0)
max <int> ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100)
setfield AVOptions:
mode <int> ..FV.... select interlace mode (from -1 to 2) (default -1)
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 "0")
ratio <string> ..FV.... set sample (pixel) aspect ratio (default "0")
r <string> ..FV.... set sample (pixel) aspect ratio (default "0")
sar_den <float> ..FV.... (from 0 to FLT_MAX) (default 0)
max <int> ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100)
settb AVOptions:
expr <string> ..FV.... set expression determining the output timebase (default "intb")
tb <string> ..FV.... set expression determining the output timebase (default "intb")
showpalette AVOptions:
s <int> ..FV.... set pixel box size (from 1 to 100) (default 30)
shuffleplanes AVOptions:
map0 <int> ..FV.... Index of the input plane to be used as the first output plane (from 0 to 4) (default 0)
map1 <int> ..FV.... Index of the input plane to be used as the second output plane (from 0 to 4) (default 1)
map2 <int> ..FV.... Index of the input plane to be used as the third output plane (from 0 to 4) (default 2)
map3 <int> ..FV.... Index of the input plane to be used as the fourth output plane (from 0 to 4) (default 3)
signalstats AVOptions:
stat <flags> ..FV.... set statistics filters (default 0)
tout ..FV.... analyze pixels for temporal outliers
vrep ..FV.... analyze video lines for vertical line repetition
brng ..FV.... analyze for pixels outside of broadcast range
out <int> ..FV.... set video filter (from -1 to 2) (default -1)
tout ..FV.... highlight pixels that depict temporal outliers
vrep ..FV.... highlight video lines that depict vertical line repetition
brng ..FV.... highlight pixels that are outside of broadcast range
c <color> ..FV.... set highlight color (default "yellow")
color <color> ..FV.... set highlight color (default "yellow")
smartblur AVOptions:
luma_radius <float> ..FV.... set luma radius (from 0.1 to 5) (default 1)
lr <float> ..FV.... set luma radius (from 0.1 to 5) (default 1)
luma_strength <float> ..FV.... set luma strength (from -1 to 1) (default 1)
ls <float> ..FV.... set luma strength (from -1 to 1) (default 1)
luma_threshold <int> ..FV.... set luma threshold (from -30 to 30) (default 0)
lt <int> ..FV.... set luma threshold (from -30 to 30) (default 0)
chroma_radius <float> ..FV.... set chroma radius (from -0.9 to 5) (default -0.9)
cr <float> ..FV.... set chroma radius (from -0.9 to 5) (default -0.9)
chroma_strength <float> ..FV.... set chroma strength (from -2 to 1) (default -2)
cs <float> ..FV.... set chroma strength (from -2 to 1) (default -2)
chroma_threshold <int> ..FV.... set chroma threshold (from -31 to 30) (default -31)
ct <int> ..FV.... set chroma threshold (from -31 to 30) (default -31)
split AVOptions:
-outputs <int> ...VA... set number of outputs (from 1 to INT_MAX) (default 2)
spp AVOptions:
quality <int> ..FV.... set quality (from 0 to 6) (default 3)
qp <int> ..FV.... force a constant quantizer parameter (from 0 to 63) (default 0)
mode <int> ..FV.... set thresholding mode (from 0 to 1) (default 0)
hard ..FV.... hard thresholding
soft ..FV.... soft thresholding
use_bframe_qp <int> ..FV.... use B-frames' QP (from 0 to 1) (default 0)
AVDCT AVOptions:
-dct <int> E..V.... DCT algorithm (from 0 to INT_MAX) (default 0)
auto E..V.... autoselect a good one (default)
fastint E..V.... fast integer (experimental / for debugging)
int E..V.... accurate integer
mmx E..V.... experimental / for debugging
altivec E..V.... experimental / for debugging
faan E..V.... floating point AAN DCT (experimental / for debugging)
-idct <int> ED.V.... select IDCT implementation (from 0 to INT_MAX) (default 0)
auto ED.V.... autoselect a good one (default)
int ED.V.... experimental / for debugging
simple ED.V.... experimental / for debugging
simplemmx ED.V.... experimental / for debugging
arm ED.V.... experimental / for debugging
altivec ED.V.... experimental / for debugging
sh4 ED.V.... experimental / for debugging
simplearm ED.V.... experimental / for debugging
simplearmv5te ED.V.... experimental / for debugging
simplearmv6 ED.V.... experimental / for debugging
simpleneon ED.V.... experimental / for debugging
simplealpha ED.V.... experimental / for debugging
ipp ED.V.... experimental / for debugging
xvid ED.V.... experimental / for debugging
xvidmmx ED.V.... experimental / for debugging
faani ED.V.... floating point AAN IDCT (experimental / for debugging)
simpleauto ED.V.... experimental / for debugging
stereo3d AVOptions:
in <int> ..FV.... set input format (from 18 to 27) (default 18)
ab2l ..FV.... above below half height left first
ab2r ..FV.... above below half height right first
abl ..FV.... above below left first
abr ..FV.... above below right first
al ..FV.... alternating frames left first
ar ..FV.... alternating frames right first
sbs2l ..FV.... side by side half width left first
sbs2r ..FV.... side by side half width right first
sbsl ..FV.... side by side left first
sbsr ..FV.... side by side right first
out <int> ..FV.... set output format (from 0 to 27) (default 3)
ab2l ..FV.... above below half height left first
ab2r ..FV.... above below half height right first
abl ..FV.... above below left first
abr ..FV.... above below right first
agmc ..FV.... anaglyph green magenta color
agmd ..FV.... anaglyph green magenta dubois
agmg ..FV.... anaglyph green magenta gray
agmh ..FV.... anaglyph green magenta half color
al ..FV.... alternating frames left first
ar ..FV.... alternating frames right first
arbg ..FV.... anaglyph red blue gray
arcc ..FV.... anaglyph red cyan color
arcd ..FV.... anaglyph red cyan dubois
arcg ..FV.... anaglyph red cyan gray
arch ..FV.... anaglyph red cyan half color
argg ..FV.... anaglyph red green gray
aybc ..FV.... anaglyph yellow blue color
aybd ..FV.... anaglyph yellow blue dubois
aybg ..FV.... anaglyph yellow blue gray
aybh ..FV.... anaglyph yellow blue half color
irl ..FV.... interleave rows left first
irr ..FV.... interleave rows right first
ml ..FV.... mono left
mr ..FV.... mono right
sbs2l ..FV.... side by side half width left first
sbs2r ..FV.... side by side half width right first
sbsl ..FV.... side by side left first
sbsr ..FV.... side by side right first
tblend AVOptions:
c0_mode <int> ..FV.... set component #0 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #1 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #2 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #3 blend mode (from 0 to 24) (default 0)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 -1 to 24) (default -1)
addition ..FV....
and ..FV....
average ..FV....
burn ..FV....
darken ..FV....
difference ..FV....
difference128 ..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 #0 expression
c1_expr <string> ..FV.... set color component #1 expression
c2_expr <string> ..FV.... set color component #2 expression
c3_expr <string> ..FV.... set color component #3 expression
all_expr <string> ..FV.... set expression for all color components
c0_opacity <double> ..FV.... set color component #0 opacity (from 0 to 1) (default 1)
c1_opacity <double> ..FV.... set color component #1 opacity (from 0 to 1) (default 1)
c2_opacity <double> ..FV.... set color component #2 opacity (from 0 to 1) (default 1)
c3_opacity <double> ..FV.... set color component #3 opacity (from 0 to 1) (default 1)
all_opacity <double> ..FV.... set opacity for all color components (from 0 to 1) (default 1)
telecine AVOptions:
first_field <int> ..FV.... select first field (from 0 to 1) (default 0)
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 "23")
thumbnail AVOptions:
n <int> ..FV.... set the frames batch size (from 2 to INT_MAX) (default 100)
tile AVOptions:
layout <image_size> ..FV.... set grid size (default "6x5")
nb_frames <int> ..FV.... set maximum number of frame to render (from 0 to INT_MAX) (default 0)
margin <int> ..FV.... set outer border margin in pixels (from 0 to 1024) (default 0)
padding <int> ..FV.... set inner border thickness in pixels (from 0 to 1024) (default 0)
color <color> ..FV.... set the color of the unused area (default "black")
tinterlace AVOptions:
mode <int> ..FV.... select interlace mode (from 0 to 6) (default 0)
merge ..FV.... merge fields
drop_even ..FV.... drop even fields
drop_odd ..FV.... drop odd fields
pad ..FV.... pad alternate lines with black
interleave_top ..FV.... interleave top and bottom fields
interleave_bottom ..FV.... interleave bottom and top fields
interlacex2 ..FV.... interlace fields from two consecutive frames
transpose AVOptions:
dir <int> ..FV.... set transpose direction (from 0 to 7) (default 0)
passthrough <int> ..FV.... do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX) (default 0)
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 0)
start_frame <int64> ..FV.... Number of the first frame that should be passed to the output (from -1 to I64_MAX) (default -1)
end_frame <int64> ..FV.... Number of the first frame that should be dropped again (from 0 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 0 to DBL_MAX) (default 0)
unsharp AVOptions:
luma_msize_x <int> ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5)
lx <int> ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5)
luma_msize_y <int> ..FV.... set luma matrix vertical size (from 3 to 63) (default 5)
ly <int> ..FV.... set luma matrix vertical size (from 3 to 63) (default 5)
luma_amount <float> ..FV.... set luma effect strength (from -2 to 5) (default 1)
la <float> ..FV.... set luma effect strength (from -2 to 5) (default 1)
chroma_msize_x <int> ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5)
cx <int> ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5)
chroma_msize_y <int> ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5)
cy <int> ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5)
chroma_amount <float> ..FV.... set chroma effect strength (from -2 to 5) (default 0)
ca <float> ..FV.... set chroma effect strength (from -2 to 5) (default 0)
opencl <int> ..FV.... use OpenCL filtering capabilities (from 0 to 1) (default 0)
uspp AVOptions:
quality <int> ..FV.... set quality (from 0 to 8) (default 3)
qp <int> ..FV.... force a constant quantizer parameter (from 0 to 63) (default 0)
use_bframe_qp <int> ..FV.... use B-frames' QP (from 0 to 1) (default 0)
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 0 to 1) (default 0)
forward ..FV....
backward ..FV....
eval <int> ..FV.... specify when to evaluate expressions (from 0 to 1) (default 0)
init ..FV.... eval expressions once during initialization
frame ..FV.... eval expressions for each frame
dither <int> ..FV.... set dithering (from 0 to 1) (default 1)
aspect <rational> ..FV.... set aspect ratio (from 0 to DBL_MAX) (default 1/1)
w3fdif AVOptions:
filter <int> ..FV.... specify the filter (from 0 to 1) (default 1)
simple ..FV....
complex ..FV....
deint <int> ..FV.... specify which frames to deinterlace (from 0 to 1) (default 0)
all ..FV.... deinterlace all frames
interlaced ..FV.... only deinterlace frames marked as interlaced
xbr AVOptions:
n <int> ..FV.... set scale factor (from 2 to 4) (default 3)
yadif AVOptions:
mode <int> ..FV.... specify the interlacing mode (from 0 to 3) (default 0)
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 -1 to 1) (default -1)
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 0 to 1) (default 0)
all ..FV.... deinterlace all frames
interlaced ..FV.... only deinterlace frames marked as interlaced
zoompan AVOptions:
zoom <string> ..FV.... set the zoom expression (default "1")
z <string> ..FV.... set the zoom expression (default "1")
x <string> ..FV.... set the x expression (default "0")
y <string> ..FV.... set the y expression (default "0")
d <string> ..FV.... set the duration expression (default "90")
s <image_size> ..FV.... set the output image size (default "hd720")
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
size <image_size> ..FV.... set video size
s <image_size> ..FV.... set video size
rule <int> ..FV.... set rule (from 0 to 255) (default 110)
random_fill_ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
random_seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
scroll <int> ..FV.... scroll pattern downward (from 0 to 1) (default 1)
start_full <int> ..FV.... start filling the whole video (from 0 to 1) (default 0)
full <int> ..FV.... start filling the whole video (from 0 to 1) (default 1)
stitch <int> ..FV.... stitch boundaries (from 0 to 1) (default 1)
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
haldclutsrc AVOptions:
level <int> ..FV.... set level (from 2 to 8) (default 6)
rate <video_rate> ..FV.... set video rate (default "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
rule <string> ..FV.... set rule (default "B3/S23")
random_fill_ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
ratio <double> ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
random_seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
seed <int> ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
stitch <int> ..FV.... stitch boundaries (from 0 to 1) (default 1)
mold <int> ..FV.... set mold speed for dead cells (from 0 to 255) (default 0)
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 "25")
r <video_rate> ..FV.... set frame rate (default "25")
maxiter <int> ..FV.... set max iterations number (from 1 to INT_MAX) (default 7189)
start_x <double> ..FV.... set the initial x position (from -100 to 100) (default -0.743644)
start_y <double> ..FV.... set the initial y position (from -100 to 100) (default -0.131826)
start_scale <double> ..FV.... set the initial scale value (from 0 to FLT_MAX) (default 3)
end_scale <double> ..FV.... set the terminal scale value (from 0 to FLT_MAX) (default 0.3)
end_pts <double> ..FV.... set the terminal pts value (from 0 to I64_MAX) (default 400)
bailout <double> ..FV.... set the bailout value (from 0 to FLT_MAX) (default 10)
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 0)
outer <int> ..FV.... set outer coloring mode (from 0 to INT_MAX) (default 1)
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 0 to INT_MAX) (default 3)
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
mptestsrc AVOptions:
rate <video_rate> ..FV.... set video rate (default "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
test <int> ..FV.... set test to perform (from 0 to INT_MAX) (default 10)
dc_luma ..FV....
dc_chroma ..FV....
freq_luma ..FV....
freq_chroma ..FV....
amp_luma ..FV....
amp_chroma ..FV....
cbp ..FV....
mv ..FV....
ring1 ..FV....
ring2 ..FV....
all ..FV....
t <int> ..FV.... set test to perform (from 0 to INT_MAX) (default 10)
dc_luma ..FV....
dc_chroma ..FV....
freq_luma ..FV....
freq_chroma ..FV....
amp_luma ..FV....
amp_chroma ..FV....
cbp ..FV....
mv ..FV....
ring1 ..FV....
ring2 ..FV....
all ..FV....
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
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 "25")
r <video_rate> ..FV.... set video rate (default "25")
duration <duration> ..FV.... set video duration (default -1)
d <duration> ..FV.... set video duration (default -1)
sar <rational> ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
decimals <int> ..FV.... set number of decimals to show (from 0 to 17) (default 0)
n <int> ..FV.... set number of decimals to show (from 0 to 17) (default 0)
avectorscope AVOptions:
mode <int> ..FV.... set mode (from 0 to 1) (default 0)
lissajous ..FV....
lissajous_xy ..FV....
m <int> ..FV.... set mode (from 0 to 1) (default 0)
lissajous ..FV....
lissajous_xy ..FV....
rate <video_rate> ..FV.... set video rate (default "25")
r <video_rate> ..FV.... set video rate (default "25")
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 0 to 255) (default 40)
gc <int> ..FV.... set green contrast (from 0 to 255) (default 160)
bc <int> ..FV.... set blue contrast (from 0 to 255) (default 80)
rf <int> ..FV.... set red fade (from 0 to 255) (default 15)
gf <int> ..FV.... set green fade (from 0 to 255) (default 10)
bf <int> ..FV.... set blue fade (from 0 to 255) (default 5)
zoom <double> ..FV.... set zoom factor (from 1 to 10) (default 1)
concat AVOptions:
n <int> ..FVA... specify the number of segments (from 1 to INT_MAX) (default 2)
v <int> ..FV.... specify the number of video streams (from 0 to INT_MAX) (default 1)
a <int> ..F.A... specify the number of audio streams (from 0 to INT_MAX) (default 0)
unsafe <int> ..FVA... enable unsafe mode (from 0 to INT_MAX) (default 0)
showcqt AVOptions:
volume <string> ..FV.... set volume (default "16")
tlength <string> ..FV.... set transform length (default "384/f*tc/(384/f+tc)")
timeclamp <double> ..FV.... set timeclamp (from 0.1 to 1) (default 0.17)
coeffclamp <float> ..FV.... set coeffclamp (from 0.1 to 10) (default 1)
gamma <float> ..FV.... set gamma (from 1 to 7) (default 3)
gamma2 <float> ..FV.... set gamma of bargraph (from 1 to 7) (default 1)
fullhd <int> ..FV.... set full HD resolution (from 0 to 1) (default 1)
fps <int> ..FV.... set video fps (from 10 to 100) (default 25)
count <int> ..FV.... set number of transform per frame (from 1 to 30) (default 6)
fontfile <string> ..FV.... set font file
fontcolor <string> ..FV.... set font color (default "st(0, (midi(f)-59.5)/12);st(1, if(between(ld(0),0,1), 0.5-0.5*cos(2*PI*ld(0)), 0));r(1-ld(1)) + b(ld(1))")
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 0 to 3) (default 0)
replace ..FV.... replace old columns with new
scroll ..FV.... scroll from right to left
fullframe ..FV.... return full frames
mode <int> ..FV.... set channel display mode (from 0 to 1) (default 0)
combined ..FV.... combined mode
separate ..FV.... separate mode
color <int> ..FV.... set channel coloring (from 0 to 1) (default 0)
channel ..FV.... separate color for each channel
intensity ..FV.... intensity based coloring
scale <int> ..FV.... set display scale (from 0 to 3) (default 1)
sqrt ..FV.... square root
cbrt ..FV.... cubic root
log ..FV.... logarithmic
lin ..FV.... linear
saturation <float> ..FV.... color saturation multiplier (from -10 to 10) (default 1)
win_func <int> ..FV.... set window function (from 0 to 3) (default 1)
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 0 to 3) (default 0)
point ..FV.... draw a point for each sample
line ..FV.... draw a line for each sample
p2p ..FV.... draw a line between samples
cline ..FV.... draw a centered line for each sample
n <int> ..FV.... set how many samples to show in the same point (from 0 to INT_MAX) (default 0)
rate <video_rate> ..FV.... set video rate (default "25")
r <video_rate> ..FV.... set video rate (default "25")
split_channels <int> ..FV.... draw channels separately (from 0 to 1) (default 0)
showwavespic AVOptions:
size <image_size> ..FV.... set video size (default "600x240")
s <image_size> ..FV.... set video size (default "600x240")
split_channels <int> ..FV.... draw channels separately (from 0 to 1) (default 0)
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 -1 to INT_MAX) (default -1)
si <int> ..FVA... set stream index (from -1 to INT_MAX) (default -1)
seek_point <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
sp <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
streams <string> ..FVA... set streams
s <string> ..FVA... set streams
loop <int> ..FVA... set loop count (from 0 to INT_MAX) (default 1)
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 -1 to INT_MAX) (default -1)
si <int> ..FVA... set stream index (from -1 to INT_MAX) (default -1)
seek_point <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
sp <double> ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
streams <string> ..FVA... set streams
s <string> ..FVA... set streams
loop <int> ..FVA... set loop count (from 0 to INT_MAX) (default 1)
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 0 to 1) (default 0)
abuffer AVOptions:
time_base <rational> ..F.A... (from 0 to INT_MAX) (default 0/1)
sample_rate <int> ..F.A... (from 0 to INT_MAX) (default 0)
sample_fmt <sample_fmt> ..F.A... (default none)
channel_layout <string> ..F.A...
channels <int> ..F.A... (from 0 to INT_MAX) (default 0)
buffer AVOptions:
width <int> ..FV.... (from 0 to INT_MAX) (default 0)
video_size <image_size> ..FV....
height <int> ..FV.... (from 0 to INT_MAX) (default 0)
pix_fmt <pix_fmt> ..FV.... (default none)
time_base_num <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
time_base_den <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
sar_num <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
sar_den <int> ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
sar <rational> ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1)
pixel_aspect <rational> ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1)
time_base <rational> ..FV.... (from 0 to DBL_MAX) (default 0/1)
frame_rate <rational> ..FV.... (from 0 to DBL_MAX) (default 0/1)
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 0 to 1) (default 0)
buffersink AVOptions:
pix_fmts <binary> ..FV.... set the supported pixel formats
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