2013年08月01日 (木) 19:03  PC（Mac・Windows・Linux）  編集 
/ffmpeg1.2.7/ffmpeg h full
ffmpeg version 1.2tessus Copyright (c) 20002013 the FFmpeg developers
built on Mar 15 2013 01:18:55 with llvmgcc 4.2.1 (LLVM build 2336.1.00)
configuration: prefix=/Users/tessus/data/ext/ffmpeg/sw as=yasm extraversion=tessus disableshared enablestatic disableffplay enablegpl enablepthreads enablepostproc enablelibmp3lame enablelibtheora enablelibvorbis enablelibx264 enablelibxvid enablelibspeex enablebzlib enablezlib enablelibopencoreamrnb enablelibopencoreamrwb enablelibxavs enableversion3 enablelibvoaacenc enablelibvoamrwbenc enablelibvpx enablelibgsm enablelibopus enablefontconfig enablelibfreetype enablelibass enablefilters enableruntimecpudetect
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
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
formats show available formats
codecs show available codecs
decoders show available decoders
encoders show available encoders
bsfs show available bit stream filters
protocols show available protocols
filters show available filters
pix_fmts show available pixel formats
layouts show standard channel layouts
sample_fmts show available audio sample formats
Global options (affect whole program instead of just one file:
loglevel loglevel set libav* logging level
v loglevel set libav* logging level
report generate a report
max_alloc bytes set maximum size of a single allocated block
y overwrite output files
n do not overwrite output files
stats print progress report during encoding
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
benchmark add timings for benchmarking
benchmark_all add timings for each task
progress url write programreadable progress information
stdin enable or disable interaction on standard input
timelimit limit set max runtime in seconds
dump dump each input packet
hex when dumping packets, also dump the payload
vsync video sync method
async audio sync method
adrift_threshold threshold audio drift threshold
copyts copy timestamps
copytb mode copy input stream time base when stream copying
dts_delta_threshold threshold timestamp discontinuity delta threshold
dts_error_threshold threshold timestamp error delta threshold
xerror error exit on error
filter_complex graph_description create a complex filtergraph
debug_ts print timestamp debugging info
intra deprecated use g 1
vdt n discard threshold
sameq Removed
same_quant Removed
deinterlace this option is deprecated, use the yadif filter instead
psnr calculate PSNR of compressed frames
vstats dump video coding statistics to file
vstats_file file dump video coding statistics to file
dc precision intra_dc_precision
qphist show QP histogram
vc channel deprecated, use channel
tvstd standard deprecated, use standard
isync this option is deprecated and does nothing
Perfile main options:
f fmt force format
c codec codec name
codec codec codec name
pre preset preset name
map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
t duration record or transcode "duration" seconds of audio/video
to time_stop record or transcode stop time
fs limit_size set the limit file size in bytes
ss time_off set the start time offset
timestamp time set the recording timestamp ('now' to set the current time)
metadata string=string add metadata
target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "palvcd", "ntscsvcd", ...)
frames number set the number of frames to record
filter filter_graph set stream filtergraph
reinit_filter reinit filtergraph on input parameter changes
Advanced perfile 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
itsoffset time_off set the input ts offset
itsscale scale set the input ts scale
dframes number set the number of data frames to record
re read input at native frame rate
shortest finish encoding within shortest input
copyinkf copy initial nonkeyframes
copypriorss copy or discard frames before start time
tag fourcc/tag force codec tag/fourcc
q q use fixed quality scale (VBR)
qscale q use fixed quality scale (VBR)
profile profile set profile
attach filename add an attachment to the output file
dump_attachment filename extract an attachment into a file
muxdelay seconds set the maximum demuxdecode delay
muxpreload seconds set the initial demuxdecode delay
bsf bitstream_filters A commaseparated list of bitstream filters
fpre filename set options from indicated preset file
dcodec codec force data codec ('copy' to copy stream)
Video options:
vframes number set the number of video frames to record
r rate set frame rate (Hz value, fraction or abbreviation)
s size set frame size (WxH or abbreviation)
aspect aspect set aspect ratio (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
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
vdt n discard threshold
rc_override override rate control override for specific intervals
sameq Removed
same_quant Removed
passlogfile prefix select two pass log file name prefix
deinterlace this option is deprecated, use the yadif filter instead
psnr calculate PSNR of compressed frames
vstats dump video coding statistics to file
vstats_file file dump video coding statistics to file
intra_matrix matrix specify intra matrix coeffs
inter_matrix matrix specify inter matrix coeffs
top top=1/bottom=0/auto=1 field first
dc precision intra_dc_precision
vtag fourcc/tag force video tag/fourcc
qphist show QP histogram
force_fps force the selected framerate, disable the best supported framerate selection
streamid streamIndex:value set the value of an outfile streamid
force_key_frames timestamps force key frames at specified timestamps
vc channel deprecated, use channel
tvstd standard deprecated, use standard
vbsf video bitstream_filters deprecated
vpre preset set the video options to the indicated preset
Audio options:
aframes number set the number of audio frames to record
aq quality set audio quality (codecspecific)
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
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)
ab (int) E...A. set bitrate (in bits/s) (from 0 to INT_MAX)
bt (int) E..V.. Set video bitrate tolerance (in bits/s). In 1pass 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)
flags (flags) ED.VAS
mv4 E..V.. use four motion vectors per macroblock (MPEG4)
qpel E..V.. use 1/4pel 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 / MPEG4 AC prediction
cbp E..V.. Deprecated, use mpegvideo private options instead
qprd E..V.. Deprecated, use mpegvideo private options instead
ilme E..V.. interlaced motion estimation
cgop E..V.. closed GOP
me_method (int) E..V.. set motion estimation method (from INT_MIN to INT_MAX)
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)
ar (int) ED..A. set audio sampling rate (in Hz) (from INT_MIN to INT_MAX)
ac (int) ED..A. set number of audio channels (from INT_MIN to INT_MAX)
cutoff (int) E...A. set cutoff bandwidth (from INT_MIN to INT_MAX)
frame_size (int) E...A. (from INT_MIN to INT_MAX)
qcomp (float) E..V.. video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.01.0 (from 3.40282e+38 to FLT_MAX)
qblur (float) E..V.. video quantizer scale blur (VBR) (from 1 to FLT_MAX)
qmin (int) E..V.. minimum video quantizer scale (VBR) (from 1 to 69)
qmax (int) E..V.. maximum video quantizer scale (VBR) (from 1 to 1024)
qdiff (int) E..V.. maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX)
bf (int) E..V.. use 'frames' B frames (from 1 to 16)
b_qfactor (float) E..V.. QP factor between P and Bframes (from 3.40282e+38 to FLT_MAX)
rc_strategy (int) E..V.. ratecontrol method (from INT_MIN to INT_MAX)
b_strategy (int) E..V.. strategy to choose between I/P/Bframes (from INT_MIN to INT_MAX)
ps (int) E..V.. RTP payload size in bytes (from INT_MIN to INT_MAX)
bug (flags) .D.V.. work around not autodetected encoder bugs
autodetect .D.V..
old_msmpeg4 .D.V.. some old lavcgenerated 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.. directqpelblocksize 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
lelim (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider DC coefficient) (from INT_MIN to INT_MAX)
celim (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider DC coefficient) (from INT_MIN to INT_MAX)
strict (int) ED.VA. how strictly to follow the standards (from INT_MIN to INT_MAX)
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 nonstandardized experimental things
b_qoffset (float) E..V.. QP offset between P and Bframes (from 3.40282e+38 to FLT_MAX)
err_detect (flags) .D.VA. set error detection flags
crccheck .D.VA. verify embedded CRCs
bitstream .D.VA. detect bitstream specification deviations
buffer .D.VA. detect improper bitstream length
explode .D.VA. abort decoding on minor error detection
careful .D.VA. consider things that violate the spec 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)
qsquish (float) E..V.. how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99)
rc_qmod_amp (float) E..V.. experimental quantizer modulation (from 3.40282e+38 to FLT_MAX)
rc_qmod_freq (int) E..V.. experimental quantizer modulation (from INT_MIN to INT_MAX)
rc_eq (string) E..V.. Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
maxrate (int) E..VA. Set maximum bitrate tolerance (in bits/s). Requires bufsize to be set. (from INT_MIN to INT_MAX)
minrate (int) E..VA. Set minimum bitrate tolerance (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX)
bufsize (int) E..VA. set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX)
rc_buf_aggressivity (float) E..V.. currently useless (from 3.40282e+38 to FLT_MAX)
i_qfactor (float) E..V.. QP factor between P and Iframes (from 3.40282e+38 to FLT_MAX)
i_qoffset (float) E..V.. QP offset between P and Iframes (from 3.40282e+38 to FLT_MAX)
rc_init_cplx (float) E..V.. initial complexity for 1pass encoding (from 3.40282e+38 to FLT_MAX)
dct (int) E..V.. DCT algorithm (from 0 to INT_MAX)
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 3.40282e+38 to FLT_MAX)
tcplx_mask (float) E..V.. temporal complexity masking (from 3.40282e+38 to FLT_MAX)
scplx_mask (float) E..V.. spatial complexity masking (from 3.40282e+38 to FLT_MAX)
p_mask (float) E..V.. inter masking (from 3.40282e+38 to FLT_MAX)
dark_mask (float) E..V.. compresses dark areas stronger than medium ones (from 3.40282e+38 to FLT_MAX)
idct (int) ED.V.. select IDCT implementation (from 0 to INT_MAX)
auto ED.V..
int ED.V..
simple ED.V..
simplemmx ED.V..
libmpeg2mmx ED.V..
mmi 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..
h264 ED.V..
vp3 ED.V..
ipp ED.V..
xvidmmx ED.V..
faani ED.V.. floating point AAN IDCT
ec (flags) .D.V.. set error concealment strategy
guess_mvs .D.V.. iterative motion vector (MV) search (slow)
deblock .D.V.. use strong deblock filter for damaged MBs
pred (int) E..V.. prediction method (from INT_MIN to INT_MAX)
left E..V..
plane E..V..
median E..V..
aspect (rational) E..V.. sample aspect ratio (from 0 to 10)
debug (flags) ED.VAS print specific debug info
pict .D.V.. picture info
rc E..V.. rate control
bitstream .D.V..
mb_type .D.V.. macroblock (MB) type
qp .D.V.. perblock 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.V.. threading operations
vismv (int) .D.V.. visualize motion vectors (MVs) (from 0 to INT_MAX)
pf .D.V.. forward predicted MVs of Pframes
bf .D.V.. forward predicted MVs of Bframes
bb .D.V.. backward predicted MVs of Bframes
cmp (int) E..V.. fullpel ME compare function (from INT_MIN to INT_MAX)
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.. subpel ME compare function (from INT_MIN to INT_MAX)
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)
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)
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)
last_pred (int) E..V.. amount of motion predictors from the previous frame (from INT_MIN to INT_MAX)
preme (int) E..V.. pre motion estimation (from INT_MIN to INT_MAX)
precmp (int) E..V.. pre motion estimation compare function (from INT_MIN to INT_MAX)
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 prepass (from INT_MIN to INT_MAX)
subq (int) E..V.. subpel motion estimation quality (from INT_MIN to INT_MAX)
me_range (int) E..V.. limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX)
ibias (int) E..V.. intra quant bias (from INT_MIN to INT_MAX)
pbias (int) E..V.. inter quant bias (from INT_MIN to INT_MAX)
global_quality (int) E..VA. (from INT_MIN to INT_MAX)
coder (int) E..V.. (from INT_MIN to INT_MAX)
vlc E..V.. variable length coder / Huffman coder
ac E..V.. arithmetic coder
raw E..V.. raw (no encoding)
rle E..V.. runlength coder
deflate E..V.. deflatebased coder
context (int) E..V.. context model (from INT_MIN to INT_MAX)
mbd (int) E..V.. macroblock decision algorithm (high quality mode) (from 0 to 2)
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)
lmin (int) E..V.. minimum Lagrange factor (VBR) (from 0 to INT_MAX)
lmax (int) E..V.. maximum Lagrange factor (VBR) (from 0 to INT_MAX)
nr (int) E..V.. noise reduction (from INT_MIN to INT_MAX)
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)
inter_threshold (int) E..V.. (from INT_MIN to INT_MAX)
flags2 (flags) ED.VA.
fast E..V.. allow nonspeccompliant speedup tricks
sgop E..V.. Deprecated, use mpegvideo private options instead
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
skiprd E..V.. Deprecated, use mpegvideo private options instead
error (int) E..V.. (from INT_MIN to INT_MAX)
qns (int) E..V.. deprecated, use mpegvideo private options instead (from INT_MIN to INT_MAX)
threads (int) ED.V.. (from 0 to INT_MAX)
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)
mb_threshold (int) E..V.. macroblock threshold (from INT_MIN to INT_MAX)
dc (int) E..V.. intra_dc_precision (from INT_MIN to INT_MAX)
nssew (int) E..V.. nsse weight (from INT_MIN to INT_MAX)
skip_top (int) .D.V.. number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX)
skip_bottom (int) .D.V.. number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX)
profile (int) E..VA. (from INT_MIN to INT_MAX)
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.
dts E...A.
dts_es E...A.
dts_96_24 E...A.
dts_hd_hra E...A.
dts_hd_ma E...A.
level (int) E..VA. (from INT_MIN to INT_MAX)
unknown E..VA.
lowres (int) .D.VA. decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX)
skip_threshold (int) E..V.. frame skip threshold (from INT_MIN to INT_MAX)
skip_factor (int) E..V.. frame skip factor (from INT_MIN to INT_MAX)
skip_exp (int) E..V.. frame skip exponent (from INT_MIN to INT_MAX)
skipcmp (int) E..V.. frame skip compare function (from INT_MIN to INT_MAX)
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.. increase the quantizer for macroblocks close to borders (from 3.40282e+38 to FLT_MAX)
mblmin (int) E..V.. minimum macroblock Lagrange factor (VBR) (from 1 to 32767)
mblmax (int) E..V.. maximum macroblock Lagrange factor (VBR) (from 1 to 32767)
mepc (int) E..V.. motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX)
skip_loop_filter (int) .D.V.. (from INT_MIN to INT_MAX)
none .D.V..
default .D.V..
noref .D.V..
bidir .D.V..
nokey .D.V..
all .D.V..
skip_idct (int) .D.V.. (from INT_MIN to INT_MAX)
none .D.V..
default .D.V..
noref .D.V..
bidir .D.V..
nokey .D.V..
all .D.V..
skip_frame (int) .D.V.. (from INT_MIN to INT_MAX)
none .D.V..
default .D.V..
noref .D.V..
bidir .D.V..
nokey .D.V..
all .D.V..
bidir_refine (int) E..V.. refine the two motion vectors used in bidirectional macroblocks (from 0 to 4)
brd_scale (int) E..V.. downscale frames for dynamic Bframe decision (from 0 to 10)
keyint_min (int) E..V.. minimum interval between IDRframes (from INT_MIN to INT_MAX)
refs (int) E..V.. reference frames to consider for motion compensation (from INT_MIN to INT_MAX)
chromaoffset (int) E..V.. chroma QP offset from luma (from INT_MIN to INT_MAX)
trellis (int) E..VA. ratedistortion optimal quantization (from INT_MIN to INT_MAX)
sc_factor (int) E..V.. multiplied by qscale for each frame and added to scene_change_score (from 0 to INT_MAX)
mv0_threshold (int) E..V.. (from 0 to INT_MAX)
b_sensitivity (int) E..V.. adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX)
compression_level (int) E..VA. (from INT_MIN to INT_MAX)
min_prediction_order (int) E...A. (from INT_MIN to INT_MAX)
max_prediction_order (int) E...A. (from INT_MIN to INT_MAX)
timecode_frame_start (int64) E..V.. GOP timecode frame start number, in nondropframe format (from 0 to I64_MAX)
request_channels (int) .D..A. set desired number of audio channels (from 0 to INT_MAX)
channel_layout (int64) ED..A. (from 0 to I64_MAX)
request_channel_layout (int64) .D..A. (from 0 to I64_MAX)
rc_max_vbv_use (float) E..V.. (from 0 to FLT_MAX)
rc_min_vbv_use (float) E..V.. (from 0 to FLT_MAX)
ticks_per_frame (int) ED.VA. (from 1 to INT_MAX)
color_primaries (int) ED.V.. (from 1 to 8)
color_trc (int) ED.V.. (from 1 to 7)
colorspace (int) ED.V.. (from 1 to 8)
color_range (int) ED.V.. (from 0 to 2)
chroma_sample_location (int) ED.V.. (from 0 to 6)
slices (int) E..V.. number of slices, used in parallelized encoding (from 0 to INT_MAX)
thread_type (flags) ED.V.. select multithreading type
slice ED.V..
frame ED.V..
audio_service_type (int) E...A. audio service type (from 0 to 8)
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
sub_charenc (string) .D...S set input text subtitles character encoding
sub_charenc_mode (flags) .D...S set input text subtitles character encoding mode
do_nothing .D...S
auto .D...S
pre_decoder .D...S
cljr encoder AVOptions:
dither_type (int) E..V.. Dither type (from 0 to 2)
dnxhd AVOptions:
nitris_compat (int) E..V.. encode with Avid Nitris compatibility (from 0 to 1)
ffv1 encoder AVOptions:
slicecrc (int) E..V.. Protect slices with CRCs (from 1 to 1)
flv encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
frwu Decoder AVOptions:
change_field_order (int) .D.V.. Change field order (from 0 to 1)
gif decoder AVOptions:
trans_color (int) .D.V.. color value (ARGB) that is used instead of transparent color (from 0 to 4.29497e+09)
h261 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
H.263 encoder AVOptions:
obmc (int) E..V.. use overlapped block motion compensation. (from 0 to 1)
structured_slices (int) E..V.. Write slice start position at every GOB header instead of just GOB number. (from 0 to 1)
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)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
H.263p encoder AVOptions:
umv (int) E..V.. Use unlimited motion vectors. (from 0 to 1)
aiv (int) E..V.. Use alternative inter VLC. (from 0 to 1)
obmc (int) E..V.. use overlapped block motion compensation. (from 0 to 1)
structured_slices (int) E..V.. Write slice start position at every GOB header instead of just GOB number. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
H264 Decoder AVOptions:
MJPEG decoder AVOptions:
extern_huff (int) .D.V.. Use external huffman table. (from 0 to 1)
mpeg1video encoder AVOptions:
gop_timecode (string) E..V.. MPEG GOP Timecode in hh:mm:ss[:;.]ff format
intra_vlc (int) E..V.. Use MPEG2 intra VLC table. (from 0 to 1)
drop_frame_timecode (int) E..V.. Timecode is in drop frame format. (from 0 to 1)
scan_offset (int) E..V.. Reserve space for SVCD scan offset user data. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
mpeg2video encoder AVOptions:
gop_timecode (string) E..V.. MPEG GOP Timecode in hh:mm:ss[:;.]ff format
intra_vlc (int) E..V.. Use MPEG2 intra VLC table. (from 0 to 1)
drop_frame_timecode (int) E..V.. Timecode is in drop frame format. (from 0 to 1)
scan_offset (int) E..V.. Reserve space for SVCD scan offset user data. (from 0 to 1)
non_linear_quant (int) E..V.. Use nonlinear quantizer. (from 0 to 1)
alternate_scan (int) E..V.. Enable alternate scantable. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
MPEG4 encoder AVOptions:
data_partitioning (int) E..V.. Use data partitioning. (from 0 to 1)
alternate_scan (int) E..V.. Enable alternate scantable. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
MPEG4 Video Decoder AVOptions:
msmpeg4v2 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
msmpeg4v3 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
ProRes encoder AVOptions:
mbs_per_slice (int) E..V.. macroblocks per slice (from 1 to 8)
profile (int) E..V.. (from 0 to 3)
proxy E..V..
lt E..V..
standard E..V..
hq E..V..
vendor (string) E..V.. vendor ID
bits_per_mb (int) E..V.. desired bits per macroblock (from 0 to 8192)
quant_mat (int) E..V.. quantiser matrix (from 1 to 4)
auto E..V..
proxy E..V..
lt E..V..
standard E..V..
hq E..V..
default E..V..
rawdec AVOptions:
top (int) .D.V.. top field first (from 1 to 1)
rv10 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
rv20 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
snow encoder AVOptions:
memc_only (int) E..V.. Only do ME/MC (I frames ) ref, P frame ) ME+MC). (from 0 to 1)
no_bitstream (int) E..V.. Skip final bitstream writeout. (from 0 to 1)
TIFF encoder AVOptions:
dpi (int) E..V.. set the image resolution (in dpi) (from 1 to 65536)
compression_algo (int) E..V.. (from 1 to 32946)
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)
wmv1 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
AAC encoder AVOptions:
stereo_mode (int) E...A. Stereo coding method (from 1 to 1)
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)
AAC decoder AVOptions:
dual_mono_mode (int) .D..A. Select the channel to decode for dual mono (from 1 to 2)
auto .D..A. autoselection
main .D..A. Select Main/Left channel
sub .D..A. Select Sub/Right channel
both .D..A. Select both channels
AC3 Encoder AVOptions:
per_frame_metadata (int) E...A. Allow Changing Metadata PerFrame (from 0 to 1)
center_mixlev (float) E...A. Center Mix Level (from 0 to 1)
surround_mixlev (float) E...A. Surround Mix Level (from 0 to 1)
mixing_level (int) E...A. Mixing Level (from 1 to 111)
room_type (int) E...A. Room Type (from 1 to 2)
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)
dialnorm (int) E...A. Dialogue Level (dB) (from 31 to 1)
dsur_mode (int) E...A. Dolby Surround Mode (from 1 to 2)
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)
dmix_mode (int) E...A. Preferred Stereo Downmix Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
ltrt E...A. Lt/Rt Downmix Preferred
loro E...A. Lo/Ro Downmix Preferred
ltrt_cmixlev (float) E...A. Lt/Rt Center Mix Level (from 1 to 2)
ltrt_surmixlev (float) E...A. Lt/Rt Surround Mix Level (from 1 to 2)
loro_cmixlev (float) E...A. Lo/Ro Center Mix Level (from 1 to 2)
loro_surmixlev (float) E...A. Lo/Ro Surround Mix Level (from 1 to 2)
dsurex_mode (int) E...A. Dolby Surround EX Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
on E...A. Dolby Surround EX Encoded
off E...A. Not Dolby Surround EX Encoded
dheadphone_mode (int) E...A. Dolby Headphone Mode (from 1 to 2)
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)
standard E...A. Standard (default)
hdcd E...A. HDCD
stereo_rematrixing (int) E...A. Stereo Rematrixing (from 0 to 1)
channel_coupling (int) E...A. Channel Coupling (from 1 to 1)
auto E...A. Selected by the Encoder
cpl_start_band (int) E...A. Coupling Start Band (from 1 to 15)
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 1)
FixedPoint AC3 Encoder AVOptions:
per_frame_metadata (int) E...A. Allow Changing Metadata PerFrame (from 0 to 1)
center_mixlev (float) E...A. Center Mix Level (from 0 to 1)
surround_mixlev (float) E...A. Surround Mix Level (from 0 to 1)
mixing_level (int) E...A. Mixing Level (from 1 to 111)
room_type (int) E...A. Room Type (from 1 to 2)
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)
dialnorm (int) E...A. Dialogue Level (dB) (from 31 to 1)
dsur_mode (int) E...A. Dolby Surround Mode (from 1 to 2)
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)
dmix_mode (int) E...A. Preferred Stereo Downmix Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
ltrt E...A. Lt/Rt Downmix Preferred
loro E...A. Lo/Ro Downmix Preferred
ltrt_cmixlev (float) E...A. Lt/Rt Center Mix Level (from 1 to 2)
ltrt_surmixlev (float) E...A. Lt/Rt Surround Mix Level (from 1 to 2)
loro_cmixlev (float) E...A. Lo/Ro Center Mix Level (from 1 to 2)
loro_surmixlev (float) E...A. Lo/Ro Surround Mix Level (from 1 to 2)
dsurex_mode (int) E...A. Dolby Surround EX Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
on E...A. Dolby Surround EX Encoded
off E...A. Not Dolby Surround EX Encoded
dheadphone_mode (int) E...A. Dolby Headphone Mode (from 1 to 2)
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)
standard E...A. Standard (default)
hdcd E...A. HDCD
stereo_rematrixing (int) E...A. Stereo Rematrixing (from 0 to 1)
channel_coupling (int) E...A. Channel Coupling (from 1 to 1)
auto E...A. Selected by the Encoder
cpl_start_band (int) E...A. Coupling Start Band (from 1 to 15)
auto E...A. Selected by the Encoder
APE decoder AVOptions:
max_samples (int) .D..A. maximum number of samples decoded per call (from 1 to INT_MAX)
all .D..A. no maximum. decode all samples for each packet at once
EAC3 Encoder AVOptions:
per_frame_metadata (int) E...A. Allow Changing Metadata PerFrame (from 0 to 1)
mixing_level (int) E...A. Mixing Level (from 1 to 111)
room_type (int) E...A. Room Type (from 1 to 2)
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)
dialnorm (int) E...A. Dialogue Level (dB) (from 31 to 1)
dsur_mode (int) E...A. Dolby Surround Mode (from 1 to 2)
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)
dmix_mode (int) E...A. Preferred Stereo Downmix Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
ltrt E...A. Lt/Rt Downmix Preferred
loro E...A. Lo/Ro Downmix Preferred
ltrt_cmixlev (float) E...A. Lt/Rt Center Mix Level (from 1 to 2)
ltrt_surmixlev (float) E...A. Lt/Rt Surround Mix Level (from 1 to 2)
loro_cmixlev (float) E...A. Lo/Ro Center Mix Level (from 1 to 2)
loro_surmixlev (float) E...A. Lo/Ro Surround Mix Level (from 1 to 2)
dsurex_mode (int) E...A. Dolby Surround EX Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
on E...A. Dolby Surround EX Encoded
off E...A. Not Dolby Surround EX Encoded
dheadphone_mode (int) E...A. Dolby Headphone Mode (from 1 to 2)
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)
standard E...A. Standard (default)
hdcd E...A. HDCD
stereo_rematrixing (int) E...A. Stereo Rematrixing (from 0 to 1)
channel_coupling (int) E...A. Channel Coupling (from 1 to 1)
auto E...A. Selected by the Encoder
cpl_start_band (int) E...A. Coupling Start Band (from 1 to 15)
auto E...A. Selected by the Encoder
EAC3 decoder AVOptions:
drc_scale (float) .D..A. percentage of dynamic range compression to apply (from 0 to 1)
FLAC encoder AVOptions:
lpc_coeff_precision (int) E...A. LPC coefficient precision (from 0 to 15)
lpc_type (int) E...A. LPC algorithm (from 1 to 3)
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)
min_partition_order (int) E...A. (from 1 to 8)
max_partition_order (int) E...A. (from 1 to 8)
prediction_order_method (int) E...A. Search method for selecting prediction order (from 1 to 5)
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)
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)
TTA Decoder AVOptions:
password (string) .D..A. Set decoding password
g722 decoder AVOptions:
bits_per_codeword (flags) .D..A. Bits per G722 codeword
g726 AVOptions:
code_size (int) E...A. Bits per code (from 2 to 5)
dvdsubdec AVOptions:
palette (string) .D...S set the global palette
PGS subtitle decoder AVOptions:
forced_subs_only (int) .D...S Only show forced subtitles (from 0 to 1)
pjs decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
subviewer1 decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
text decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
vplayer decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
libmp3lame encoder AVOptions:
reservoir (int) E...A. Use bit reservoir. (from 0 to 1)
libopencore_amrnb AVOptions:
dtx (int) E...A. Allow DTX (generate comfort noise) (from 0 to 1)
libopus AVOptions:
application (int) E...A. Intended application type (from 2048 to 2051)
voip E...A. Favor improved speech intelligibility
audio E...A. Favor faithfulness to the input
lowdelay E...A. Restrict to only the lowest delay modes
frame_duration (float) E...A. Duration of a frame in milliseconds (from 2.5 to 60)
packet_loss (int) E...A. Expected packet loss percentage (from 0 to 100)
vbr (int) E...A. Variable bit rate mode (from 0 to 2)
off E...A. Use constant bit rate
on E...A. Use variable bit rate
constrained E...A. Use constrained VBR
libspeex AVOptions:
abr (int) E...A. Use average bit rate (from 0 to 1)
cbr_quality (int) E...A. Set quality value (0 to 10) for CBR (from 0 to 10)
frames_per_packet (int) E...A. Number of frames to encode in each packet (from 1 to 8)
vad (int) E...A. Voice Activity Detection (from 0 to 1)
dtx (int) E...A. Discontinuous Transmission (from 0 to 1)
libvo_amrwbenc AVOptions:
dtx (int) E...A. Allow DTX (generate comfort noise) (from 0 to 1)
libvorbis AVOptions:
iblock (ｄouble) E...A. Sets the impulse block bias (from 15 to 0)
libvpx encoder AVOptions:
cpuused (int) E..V.. Quality/Speed ratio modifier (from INT_MIN to INT_MAX)
autoaltref (int) E..V.. Enable use of alternate reference frames (2pass only) (from 1 to 1)
laginframes (int) E..V.. Number of frames to look ahead for alternate reference frame selection (from 1 to INT_MAX)
arnrmaxframes (int) E..V.. altref noise reduction max frame count (from 1 to INT_MAX)
arnrstrength (int) E..V.. altref noise reduction filter strength (from 1 to INT_MAX)
arnrtype (int) E..V.. altref noise reduction filter type (from 1 to INT_MAX)
backward E..V..
forward E..V..
centered E..V..
deadline (int) E..V.. Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX)
best E..V..
good E..V..
realtime E..V..
errorresilient (flags) E..V.. Error resilience configuration
default E..V.. Improve resiliency against losses of whole frames
partitions E..V.. The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra predicition is still done over the partition boundary.
maxintrarate (int) E..V.. Maximum Iframe bitrate (pct) 0=unlimited (from 1 to INT_MAX)
speed (int) E..V.. (from 16 to 16)
quality (int) E..V.. (from INT_MIN to INT_MAX)
best E..V..
good E..V..
realtime E..V..
vp8flags (flags) E..V..
error_resilient E..V.. enable error resilience
altref E..V.. enable use of alternate reference frames (VP8/2pass only)
arnr_max_frames (int) E..V.. altref noise reduction max frame count (from 0 to 15)
arnr_strength (int) E..V.. altref noise reduction filter strength (from 0 to 6)
arnr_type (int) E..V.. altref noise reduction filter type (from 1 to 3)
rc_lookahead (int) E..V.. Number of frames to look ahead for alternate reference frame selection (from 0 to 25)
crf (int) E..V.. Select the quality for constant quality mode (from 0 to 63)
libx264 AVOptions:
preset (string) E..V.. Set the encoding preset (cf. x264 fullhelp)
tune (string) E..V.. Tune the encoding params (cf. x264 fullhelp)
profile (string) E..V.. Set profile restrictions (cf. x264 fullhelp)
fastfirstpass (int) E..V.. Use fast settings when encoding first pass (from 0 to 1)
level (string) E..V.. Specify level (as defined by Annex A)
passlogfile (string) E..V.. Filename for 2 pass stats
wpredp (string) E..V.. Weighted prediction for Pframes
x264opts (string) E..V.. x264 options
crf (float) E..V.. Select the quality for constant quality mode (from 1 to FLT_MAX)
crf_max (float) E..V.. In CRF mode, prevents VBV from lowering quality beyond this point. (from 1 to FLT_MAX)
qp (int) E..V.. Constant quantization parameter rate control method (from 1 to INT_MAX)
aqmode (int) E..V.. AQ method (from 1 to INT_MAX)
none E..V..
variance E..V.. Variance AQ (complexity mask)
autovariance E..V.. Autovariance AQ (experimental)
aqstrength (float) E..V.. AQ strength. Reduces blocking and blurring in flat and textured areas. (from 1 to FLT_MAX)
psy (int) E..V.. Use psychovisual optimizations. (from 1 to 1)
psyrd (string) E..V.. Strength of psychovisual optimization, in (psyrd):(psytrellis) format.
rclookahead (int) E..V.. Number of frames to look ahead for frametype and ratecontrol (from 1 to INT_MAX)
weightb (int) E..V.. Weighted prediction for Bframes. (from 1 to 1)
weightp (int) E..V.. Weighted prediction analysis method. (from 1 to INT_MAX)
none E..V..
simple E..V..
smart E..V..
ssim (int) E..V.. Calculate and print SSIM stats. (from 1 to 1)
intrarefresh (int) E..V.. Use Periodic Intra Refresh instead of IDR frames. (from 1 to 1)
bbias (int) E..V.. Influences how often Bframes are used (from INT_MIN to INT_MAX)
bpyramid (int) E..V.. Keep some Bframes as references. (from 1 to INT_MAX)
none E..V..
strict E..V.. Strictly hierarchical pyramid
normal E..V.. Nonstrict (not Bluray compatible)
mixedrefs (int) E..V.. One reference per partition, as opposed to one reference per macroblock (from 1 to 1)
8x8dct (int) E..V.. High profile 8x8 transform. (from 1 to 1)
fastpskip (int) E..V.. (from 1 to 1)
aud (int) E..V.. Use access unit delimiters. (from 1 to 1)
mbtree (int) E..V.. Use macroblock tree ratecontrol. (from 1 to 1)
deblock (string) E..V.. Loop filter parameters, in (alpha:beta) form.
cplxblur (float) E..V.. Reduce fluctuations in QP (before curve compression) (from 1 to FLT_MAX)
partitions (string) E..V.. A commaseparated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
directpred (int) E..V.. Direct MV prediction mode (from 1 to INT_MAX)
none E..V..
spatial E..V..
temporal E..V..
auto E..V..
slicemaxsize (int) E..V.. Limit the size of each slice in bytes (from 1 to INT_MAX)
stats (string) E..V.. Filename for 2 pass stats
nalhrd (int) E..V.. Signal HRD information (requires vbvbufsize; cbr not allowed in .mp4) (from 1 to INT_MAX)
none E..V..
vbr E..V..
cbr E..V..
x264params (string) E..V.. Override the x264 configuration using a :separated list of key=value parameters
libx264rgb AVOptions:
preset (string) E..V.. Set the encoding preset (cf. x264 fullhelp)
tune (string) E..V.. Tune the encoding params (cf. x264 fullhelp)
profile (string) E..V.. Set profile restrictions (cf. x264 fullhelp)
fastfirstpass (int) E..V.. Use fast settings when encoding first pass (from 0 to 1)
level (string) E..V.. Specify level (as defined by Annex A)
passlogfile (string) E..V.. Filename for 2 pass stats
wpredp (string) E..V.. Weighted prediction for Pframes
x264opts (string) E..V.. x264 options
crf (float) E..V.. Select the quality for constant quality mode (from 1 to FLT_MAX)
crf_max (float) E..V.. In CRF mode, prevents VBV from lowering quality beyond this point. (from 1 to FLT_MAX)
qp (int) E..V.. Constant quantization parameter rate control method (from 1 to INT_MAX)
aqmode (int) E..V.. AQ method (from 1 to INT_MAX)
none E..V..
variance E..V.. Variance AQ (complexity mask)
autovariance E..V.. Autovariance AQ (experimental)
aqstrength (float) E..V.. AQ strength. Reduces blocking and blurring in flat and textured areas. (from 1 to FLT_MAX)
psy (int) E..V.. Use psychovisual optimizations. (from 1 to 1)
psyrd (string) E..V.. Strength of psychovisual optimization, in (psyrd):(psytrellis) format.
rclookahead (int) E..V.. Number of frames to look ahead for frametype and ratecontrol (from 1 to INT_MAX)
weightb (int) E..V.. Weighted prediction for Bframes. (from 1 to 1)
weightp (int) E..V.. Weighted prediction analysis method. (from 1 to INT_MAX)
none E..V..
simple E..V..
smart E..V..
ssim (int) E..V.. Calculate and print SSIM stats. (from 1 to 1)
intrarefresh (int) E..V.. Use Periodic Intra Refresh instead of IDR frames. (from 1 to 1)
bbias (int) E..V.. Influences how often Bframes are used (from INT_MIN to INT_MAX)
bpyramid (int) E..V.. Keep some Bframes as references. (from 1 to INT_MAX)
none E..V..
strict E..V.. Strictly hierarchical pyramid
normal E..V.. Nonstrict (not Bluray compatible)
mixedrefs (int) E..V.. One reference per partition, as opposed to one reference per macroblock (from 1 to 1)
8x8dct (int) E..V.. High profile 8x8 transform. (from 1 to 1)
fastpskip (int) E..V.. (from 1 to 1)
aud (int) E..V.. Use access unit delimiters. (from 1 to 1)
mbtree (int) E..V.. Use macroblock tree ratecontrol. (from 1 to 1)
deblock (string) E..V.. Loop filter parameters, in (alpha:beta) form.
cplxblur (float) E..V.. Reduce fluctuations in QP (before curve compression) (from 1 to FLT_MAX)
partitions (string) E..V.. A commaseparated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
directpred (int) E..V.. Direct MV prediction mode (from 1 to INT_MAX)
none E..V..
spatial E..V..
temporal E..V..
auto E..V..
slicemaxsize (int) E..V.. Limit the size of each slice in bytes (from 1 to INT_MAX)
stats (string) E..V.. Filename for 2 pass stats
nalhrd (int) E..V.. Signal HRD information (requires vbvbufsize; cbr not allowed in .mp4) (from 1 to INT_MAX)
none E..V..
vbr E..V..
cbr E..V..
x264params (string) E..V.. Override the x264 configuration using a :separated list of key=value parameters
libxavs AVOptions:
crf (float) E..V.. Select the quality for constant quality mode (from 1 to FLT_MAX)
qp (int) E..V.. Constant quantization parameter rate control method (from 1 to INT_MAX)
bbias (int) E..V.. Influences how often Bframes are used (from INT_MIN to INT_MAX)
cplxblur (float) E..V.. Reduce fluctuations in QP (before curve compression) (from 1 to FLT_MAX)
directpred (int) E..V.. Direct MV prediction mode (from 1 to INT_MAX)
none E..V..
spatial E..V..
temporal E..V..
auto E..V..
aud (int) E..V.. Use access unit delimiters. (from 1 to 1)
mbtree (int) E..V.. Use macroblock tree ratecontrol. (from 1 to 1)
mixedrefs (int) E..V.. One reference per partition, as opposed to one reference per macroblock (from 1 to 1)
fastpskip (int) E..V.. (from 1 to 1)
AVFormatContext AVOptions:
avioflags (flags) ED....
direct ED.... reduce buffering
probesize (int) .D.... set probing size (from 32 to INT_MAX)
packetsize (int) E..... set packet size (from 0 to INT_MAX)
fflags (flags) ED....
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.... dont merge side data
latm E..... enable RTP MP4ALATM payload
nobuffer .D.... reduce the latency introduced by optional buffering
seek2any (int) .D.... forces seeking to enable seek to any mode (from 0 to 1)
analyzeduration (int) .D.... specify how many microseconds are analyzed to probe the input (from 0 to INT_MAX)
cryptokey (binary) .D.... decryption key
indexmem (int) .D.... max memory used for timestamp index (per stream) (from 0 to INT_MAX)
rtbufsize (int) .D.... max memory used for buffering realtime frames (from 0 to INT_MAX)
fdebug (flags) ED.... print specific debug info
ts ED....
max_delay (int) ED.... maximum muxing or demuxing delay in microseconds (from 1 to INT_MAX)
fpsprobesize (int) .D.... number of frames used to probe fps (from 1 to 2.14748e+09)
audio_preload (int) E..... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09)
chunk_duration (int) E..... microseconds for each chunk (from 0 to 2.14748e+09)
chunk_size (int) E..... size in bytes for each chunk (from 0 to 2.14748e+09)
f_err_detect (flags) .D.... set error detection flags (deprecated; use err_detect, save via avconv)
crccheck .D.... verify embedded CRCs
bitstream .D.... detect bitstream specification deviations
buffer .D.... detect improper bitstream length
explode .D.... abort decoding on minor error detection
careful .D.... consider things that violate the spec 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 shouldnt do as an error
err_detect (flags) .D.... set error detection flags
crccheck .D.... verify embedded CRCs
bitstream .D.... detect bitstream specification deviations
buffer .D.... detect improper bitstream length
explode .D.... abort decoding on minor error detection
careful .D.... consider things that violate the spec 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 shouldnt do as an error
use_wallclock_as_timestamps (int) .D.... use wallclock as timestamps (from 0 to 2.14748e+09)
avoid_negative_ts (int) E..... shift timestamps to make them positive. 1 enables, 0 disables, default of 1 enables when required by target format. (from 1 to 1)
skip_initial_bytes (int) .D.... skip initial bytes (from 0 to 2.14748e+09)
correct_ts_overflow (int) .D.... correct single timestamp overflows (from 0 to 1)
AVIOContext AVOptions:
URLContext AVOptions:
crypto AVOptions:
key (binary) .D.... AES decryption key
iv (binary) .D.... AES decryption initialization vector
ffrtmphttp AVOptions:
ffrtmphttp_tls (int) .D.... Use a HTTPS tunneling connection (RTMPTS). (from 0 to 1)
file AVOptions:
truncate (int) E..... Truncate existing files on write (from 0 to 1)
http AVOptions:
seekable (int) .D.... control seekability of connection (from 1 to 1)
chunked_post (int) E..... use chunked transferencoding for posts (from 0 to 1)
headers (string) ED.... set custom HTTP headers, can override built in default headers
content_type (string) ED.... force a content type
useragent (string) .D.... override UserAgent header
multiple_requests (int) ED.... use persistent connections (from 0 to 1)
post_data (binary) ED.... set custom HTTP post data
timeout (int) ED.... set timeout of socket I/O operations (from 1 to 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)
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)
rtmp_live (int) .D.... Specify that the media is a live stream. (from INT_MIN to INT_MAX)
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)
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)
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)
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)
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)
rtmp_live (int) .D.... Specify that the media is a live stream. (from INT_MIN to INT_MAX)
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)
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)
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)
srtp AVOptions:
srtp_out_suite (string) E.....
srtp_out_params (string) E.....
srtp_in_suite (string) E.....
srtp_in_params (string) E.....
tcp AVOptions:
listen (int) ED.... listen on port instead of connecting (from 0 to 1)
timeout (int) ED.... timeout of socket i/o operations (from 0 to INT_MAX)
listen_timeout (int) ED.... connection awaiting timeout (from 1 to INT_MAX)
udp AVOptions:
buffer_size (int) ED.... Socket buffer size in bytes (from 0 to INT_MAX)
localport (int) ED.... Set local port to bind to (from 0 to INT_MAX)
localaddr (string) ED.... Choose local IP address
pkt_size (int) ED.... Set size of UDP packets (from 0 to INT_MAX)
reuse (int) ED.... Explicitly allow or disallow reusing UDP sockets (from 0 to 1)
ttl (int) E..... Set the time to live value (for multicast only) (from 0 to INT_MAX)
connect (int) ED.... Should connect() be called on socket (from 0 to 1)
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)
overrun_nonfatal (int) .D.... Survive in case of UDP receiving circular buffer overrun (from 0 to 1)
timeout (int) .D.... In read mode: if no data arrived in more than this time interval, raise error (from 0 to INT_MAX)
lavfi indev AVOptions:
graph (string) .D.... set libavfilter graph
graph_file (string) .D.... set libavfilter graph filename
dumpgraph (string) .D.... dump graph to stderr
Artworx Data Format demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
aqtdec AVOptions:
subfps (rational) .D...S set the movie frame rate (from 0 to INT_MAX)
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)
avi AVOptions:
use_odml (int) .D.... use odml index (from 1 to 1)
Binary text demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
cavsvideo demuxer AVOptions:
framerate (string) .D....
CDXL demuxer AVOptions:
sample_rate (int) .D.... (from 1 to INT_MAX)
framerate (string) .D....
concat demuxer AVOptions:
safe (int) .D.... enable safe mode (from 1 to 1)
dirac demuxer AVOptions:
framerate (string) .D....
dnxhd demuxer AVOptions:
framerate (string) .D....
flvdec AVOptions:
flv_metadata (int) .D.V.. Allocate streams according the onMetaData array (from 0 to 1)
g729 demuxer AVOptions:
bit_rate (int) .D.... (from 0 to INT_MAX)
GIF demuxer AVOptions:
min_delay (int) .D.... minimum valid delay between frames (in hundredths of second) (from 0 to 6000)
default_delay (int) .D.... default delay between frames (in hundredths of second) (from 0 to 6000)
gsm demuxer AVOptions:
sample_rate (int) .D.... (from 1 to 6.50753e+07)
h261 demuxer AVOptions:
framerate (string) .D....
h263 demuxer AVOptions:
framerate (string) .D....
h264 demuxer AVOptions:
framerate (string) .D....
iCE Draw File demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
image2 demuxer AVOptions:
framerate (string) .D.... set the video framerate
loop (int) .D.... force loop over input file sequence (from 0 to 1)
pattern_type (int) .D.... set pattern type (from 0 to INT_MAX)
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 0 to INT_MAX)
start_number_range (int) .D.... set range for looking at the first sequence number (from 1 to INT_MAX)
video_size (string) .D.... set video size
frame_size (int) .D.... force frame size in bytes (from 0 to INT_MAX)
image2pipe demuxer AVOptions:
framerate (string) .D.... set the video framerate
loop (int) .D.... force loop over input file sequence (from 0 to 1)
pattern_type (int) .D.... set pattern type (from 0 to INT_MA(intX)
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 0 to INT_MAX)
start_number_range (int) .D.... set range for looking at the first sequence number (from 1 to INT_MAX)
video_size (string) .D.... set video size
frame_size (int) .D.... force frame size in bytes (from 0 to INT_MAX)
ingenient demuxer AVOptions:
framerate (string) .D....
m4v demuxer AVOptions:
framerate (string) .D....
mjpeg demuxer AVOptions:
framerate (string) .D....
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)
ignore_editlist (int) .D.V.. (from 0 to 1)
mpegtsraw demuxer AVOptions:
compute_pcr (int) .D.... Compute exact PCR for each transport stream packet. (from 0 to 1)
mpegvideo demuxer AVOptions:
framerate (string) .D....
alaw demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
mulaw demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f64be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f64le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f32be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f32le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s32be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s32le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s24be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s24le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s16be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s16le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s8 demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u32be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u32le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u24be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u24le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u16be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u16le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u8 demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
rawvideo demuxer AVOptions:
video_size (string) .D.... set frame size
pixel_format (string) .D.... set pixel format
framerate (string) .D.... set frame rate
RTP demuxer AVOptions:
rtp_flags (flags) .D.... RTP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
RTSP demuxer AVOptions:
initial_pause (int) .D.... Don't start playing the stream immediately (from 0 to 1)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
rtsp_transport (flags) ED.... RTSP transport protocols
udp ED.... UDP
tcp ED.... TCP
udp_multicast .D.... UDP multicast
http .D.... HTTP tunneling
rtsp_flags (flags) .D.... RTSP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
allowed_media_types (flags) .D.... Media types to accept from the server
video .D.... Video
audio .D.... Audio
data .D.... Data
min_port (int) ED.... Minimum local UDP port (from 0 to 65535)
max_port (int) ED.... Maximum local UDP port (from 0 to 65535)
timeout (int) .D.... Maximum timeout (in seconds) to wait for incoming connections. 1 is infinite. Implies flag listen (from INT_MIN to INT_MAX)
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
sbg_demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
frame_size (int) .D.... (from 0 to INT_MAX)
max_file_size (int) .D.... (from 0 to INT_MAX)
SDP demuxer AVOptions:
sdp_flags (flags) .D.... SDP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
custom_io .D.... Use custom IO
allowed_media_types (flags) .D.... Media types to accept from the server
video .D.... Video
audio .D.... Audio
data .D.... Data
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
tedcaptions_demuxer AVOptions:
start_time (int64) .D...S set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX)
TTY demuxer AVOptions:
chars_per_frame (int) .D.... (from 1 to INT_MAX)
video_size (string) .D.... A string describing frame size, such as 640x480 or hd720.
framerate (string) .D....
vc1 demuxer AVOptions:
framerate (string) .D....
WAV demuxer AVOptions:
ignore_length (int) .D.... Ignore length (from 0 to 1)
eXtended BINary text (XBIN) demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
AIFF muxer AVOptions:
write_id3v2 (int) E..... Enable ID3 tags writing. (from 0 to 1)
id3v2_version (int) E..... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4)
AST muxer AVOptions:
loopstart (int64) E..... Loopstart position in milliseconds. (from 1 to INT_MAX)
loopend (int64) E..... Loopend position in milliseconds. (from 0 to INT_MAX)
f4v muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
GIF muxer AVOptions:
loop (int) E..... Number of times to loop the output. (from 0 to 65535)
hls muxer AVOptions:
start_number (int64) E..... set first number in the sequence (from 0 to I64_MAX)
hls_time (float) E..... set segment length in seconds (from 0 to FLT_MAX)
hls_list_size (int) E..... set maximum number of playlist entries (from 0 to INT_MAX)
hls_wrap (int) E..... set number after which the index wraps (from 0 to INT_MAX)
image2 muxer AVOptions:
updatefirst (int) E..... update the first image file (from 0 to 1)
start_number (int) E..... set first number in the sequence (from 1 to INT_MAX)
ipod muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
ismv muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
LATM/LOAS muxer AVOptions:
smcinterval (int) E..... StreamMuxConfig interval. (from 1 to 65535)
mov muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
MP3 muxer AVOptions:
id3v2_version (int) E..... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4)
write_id3v1 (int) E..... Enable ID3v1 writing. ID3v1 tags are written in UTF8 which may not be supported by most software. (from 0 to 1)
mp4 muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
mpeg muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
vcd muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
dvd muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
svcd muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
vob muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
MPEGTS muxer AVOptions:
mpegts_transport_stream_id (int) E..... Set transport_stream_id field. (from 1 to 65535)
mpegts_original_network_id (int) E..... Set original_network_id field. (from 1 to 65535)
mpegts_service_id (int) E..... Set service_id field. (from 1 to 65535)
mpegts_pmt_start_pid (int) E..... Set the first pid of the PMT. (from 16 to 7936)
mpegts_start_pid (int) E..... Set the first pid. (from 256 to 3840)
mpegts_m2ts_mode (int) E..... Enable m2ts mode. (from 1 to 1)
muxrate (int) E..... (from 0 to INT_MAX)
pes_payload_size (int) E..... Minimum PES packet payload in bytes (from 0 to INT_MAX)
mpegts_flags (flags) E..... MPEGTS muxing flags
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)
mpegts_copyts (int) E..... dont offset dts/pts (from 1 to 1)
Ogg muxer AVOptions:
oggpagesize (int) E..... Set preferred Ogg page size. (from 0 to 65025)
pagesize (int) E..... preferred page size in bytes (deprecated) (from 0 to 65025)
page_duration (int) E..... preferred page duration, in microseconds (from 0 to I64_MAX)
psp muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
RTP muxer AVOptions:
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
payload_type (int) E..... Specify RTP payload type (from 1 to 127)
ssrc (int) E..... Stream identifier (from INT_MIN to INT_MAX)
cname (string) E..... CNAME to include in RTCP SR packets
seq (int) E..... Starting sequence number (from 1 to 65535)
RTSP muxer AVOptions:
initial_pause (int) .D.... Don't start playing the stream immediately (from 0 to 1)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
rtsp_transport (flags) ED.... RTSP transport protocols
udp ED.... UDP
tcp ED.... TCP
udp_multicast .D.... UDP multicast
http .D.... HTTP tunneling
rtsp_flags (flags) .D.... RTSP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
allowed_media_types (flags) .D.... Media types to accept from the server
video .D.... Video
audio .D.... Audio
data .D.... Data
min_port (int) ED.... Minimum local UDP port (from 0 to 65535)
max_port (int) ED.... Maximum local UDP port (from 0 to 65535)
timeout (int) .D.... Maximum timeout (in seconds) to wait for incoming connections. 1 is infinite. Implies flag listen (from INT_MIN to INT_MAX)
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
segment muxer AVOptions:
reference_stream (string) E..... set reference stream
segment_format (string) E..... set container format used for the segments
segment_list (string) E..... set the segment list filename
segment_list_flags (flags) E..... set flags affecting segment list generation
cache E..... allow list caching
live E..... enable livefriendly list generation (useful for HLS)
segment_list_size (int) E..... set the maximum number of playlist entries (from 0 to INT_MAX)
segment_list_type (int) E..... set the segment list type (from 1 to 4)
flat E..... flat format
csv E..... csv format
ext E..... extended format
ffconcat E..... ffconcat format
m3u8 E..... M3U8 format
hls E..... Apple HTTP Live Streaming compatible
segment_time (string) E..... set segment duration
segment_time_delta (string) E..... set approximation value used for the segment times
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)
segment_start_number (int) E..... set the sequence number of the first segment (from 0 to INT_MAX)
individual_header_trailer (int) E..... write header/trailer to each segment (from 0 to 1)
write_header_trailer (int) E..... write a header to the first segment and a trailer to the last one (from 0 to 1)
reset_timestamps (int) E..... reset timestamps at the begin of each segment (from 0 to 1)
stream_segment muxer AVOptions:
reference_stream (string) E..... set reference stream
segment_format (string) E..... set container format used for the segments
segment_list (string) E..... set the segment list filename
segment_list_flags (flags) E..... set flags affecting segment list generation
cache E..... allow list caching
live E..... enable livefriendly list generation (useful for HLS)
segment_list_size (int) E..... set the maximum number of playlist entries (from 0 to INT_MAX)
segment_list_type (int) E..... set the segment list type (from 1 to 4)
flat E..... flat format
csv E..... csv format
ext E..... extended format
ffconcat E..... ffconcat format
m3u8 E..... M3U8 format
hls E..... Apple HTTP Live Streaming compatible
segment_time (string) E..... set segment duration
segment_time_delta (string) E..... set approximation value used for the segment times
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)
segment_start_number (int) E..... set the sequence number of the first segment (from 0 to INT_MAX)
individual_header_trailer (int) E..... write header/trailer to each segment (from 0 to 1)
write_header_trailer (int) E..... write a header to the first segment and a trailer to the last one (from 0 to 1)
reset_timestamps (int) E..... reset timestamps at the begin of each segment (from 0 to 1)
smooth streaming muxer AVOptions:
window_size (int) E..... number of fragments kept in the manifest (from 0 to INT_MAX)
extra_window_size (int) E..... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX)
lookahead_count (int) E..... number of lookahead fragments (from 0 to INT_MAX)
min_frag_duration (int64) E..... minimum fragment duration (in microseconds) (from 0 to INT_MAX)
remove_at_exit (int) E..... remove all fragments when finished (from 0 to 1)
spdif AVOptions:
spdif_flags (flags) E..... IEC 61937 encapsulation flags
be E..... output in bigendian 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)
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)
tg2 muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
tgp muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
WAV muxer AVOptions:
write_bext (int) E..... Write BEXT chunk. (from 0 to 1)
rf64 (int) E..... Use RF64 header rather than RIFF for large files. (from 1 to 1)
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.
SWScaler AVOptions:
sws_flags (flags) E..V.. scaler flags
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)
srch (int) E..V.. source height (from 1 to INT_MAX)
dstw (int) E..V.. destination width (from 1 to INT_MAX)
dsth (int) E..V.. destination height (from 1 to INT_MAX)
src_format (int) E..V.. source format (from 0 to 316)
dst_format (int) E..V.. destination format (from 0 to 316)
src_range (int) E..V.. source range (from 0 to 1)
dst_range (int) E..V.. destination range (from 0 to 1)
param0 (ｄouble) E..V.. scaler param 0 (from INT_MIN to INT_MAX)
param1 (ｄouble) E..V.. scaler param 1 (from INT_MIN to INT_MAX)
SWResampler AVOptions:
ich (int) ....A. set input channel count (from 0 to 32)
in_channel_count (int) ....A. set input channel count (from 0 to 32)
och (int) ....A. set output channel count (from 0 to 32)
out_channel_count (int) ....A. set output channel count (from 0 to 32)
uch (int) ....A. set used channel count (from 0 to 32)
used_channel_count (int) ....A. set used channel count (from 0 to 32)
isr (int) ....A. set input sample rate (from 0 to INT_MAX)
in_sample_rate (int) ....A. set input sample rate (from 0 to INT_MAX)
osr (int) ....A. set output sample rate (from 0 to INT_MAX)
out_sample_rate (int) ....A. set output sample rate (from 0 to INT_MAX)
isf (sample_fmt) ....A. set input sample format
in_sample_fmt (sample_fmt) ....A. set input sample format
osf (sample_fmt) ....A. set output sample format
out_sample_fmt (sample_fmt) ....A. set output sample format
tsf (sample_fmt) ....A. set internal sample format
internal_sample_fmt (sample_fmt) ....A. set internal sample format
icl (int64) ....A. set input channel layout (from 0 to I64_MAX)
in_channel_layout (int64) ....A. set input channel layout (from 0 to I64_MAX)
ocl (int64) ....A. set output channel layout (from 0 to I64_MAX)
out_channel_layout (int64) ....A. set output channel layout (from 0 to I64_MAX)
clev (float) ....A. set center mix level (from 32 to 32)
center_mix_level (float) ....A. set center mix level (from 32 to 32)
slev (float) ....A. set surround mix level (from 32 to 32)
surround_mix_level (float) ....A. set surround mix Level (from 32 to 32)
lfe_mix_level (float) ....A. set LFE mix level (from 32 to 32)
rmvol (float) ....A. set rematrix volume (from 1000 to 1000)
rematrix_volume (float) ....A. set rematrix volume (from 1000 to 1000)
flags (flags) ....A. set flags
res ....A. force resampling
swr_flags (flags) ....A. set flags
res ....A. force resampling
dither_scale (float) ....A. set dither scale (from 0 to INT_MAX)
dither_method (int) ....A. set dither method (from 0 to 71)
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 fweighted noise shaping dither
modified_e_weighted ....A. select modifiedeweighted noise shaping dither
improved_e_weighted ....A. select improvedeweighted noise shaping dither
filter_size (int) ....A. set swr resampling filter size (from 0 to INT_MAX)
phase_shift (int) ....A. set swr resampling phase shift (from 0 to 24)
linear_interp (int) ....A. enable linear interpolation (from 0 to 1)
cutoff (ｄouble) ....A. set cutoff frequency ratio (from 0 to 1)
resample_cutoff (ｄouble) ....A. set cutoff frequency ratio (from 0 to 1)
resampler (int) ....A. set resampling Engine (from 0 to 1)
swr ....A. select SW Resampler
soxr ....A. select SoX Resampler
precision (ｄouble) ....A. set soxr resampling precision (in bits) (from 15 to 33)
cheby (int) ....A. enable soxr Chebyshev passband & higherprecision irrational ratio approximation (from 0 to 1)
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)
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)
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)
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)
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)
first_pts (int64) ....A. Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX)
matrix_encoding (int) ....A. set matrixed stereo encoding (from 0 to 2)
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)
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)
afade AVOptions:
type (int) ..F.A. set the fade direction (from 0 to 1)
in ..F.A.
out ..F.A.
t (int) ..F.A. set the fade direction (from 0 to 1)
in ..F.A.
out ..F.A.
start_sample (int64) ..F.A. set expression of sample to start fading (from 0 to I64_MAX)
ss (int64) ..F.A. set expression of sample to start fading (from 0 to I64_MAX)
nb_samples (int) ..F.A. set expression for fade duration in samples (from 1 to INT_MAX)
ns (int) ..F.A. set expression for fade duration in samples (from 1 to INT_MAX)
start_time (ｄouble) ..F.A. set expression of second to start fading (from 0 to 604800)
st (ｄouble) ..F.A. set expression of second to start fading (from 0 to 604800)
duration (ｄouble) ..F.A. set expression for fade duration in seconds (from 0 to 86400)
d (ｄouble) ..F.A. set expression for fade duration in seconds (from 0 to 86400)
curve (int) ..F.A. set expression for fade curve (from 0 to 9)
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 expression for fade curve (from 0 to 9)
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 commaseparated list of sample formats.
sample_rates (string) ..F.A. A commaseparated list of sample rates.
channel_layouts (string) ..F.A. A commaseparated list of channel layouts.
allpass AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set filterwidth (from 0 to 99999)
w (ｄouble) ..F.A. set filterwidth (from 0 to 99999)
amerge AVOptions:
inputs (int) ..F.A. specify the number of inputs (from 2 to 32)
amix AVOptions:
inputs (int) ..F.A. Number of inputs. (from 1 to 32)
duration (int) ..F.A. How to determine the endofstream. (from 0 to 2)
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)
apad AVOptions:
packet_size (int) ..F.A. set silence packet size (from 0 to INT_MAX)
pad_len (int64) ..F.A. number of samples of silence to add (from 0 to I64_MAX)
whole_len (int64) ..F.A. target number of samples in the audio stream (from 0 to I64_MAX)
aselect AVOptions:
expr (string) ..F... set selection expression
e (string) ..F... set selection expression
asendcmd AVOptions:
commands (string) ..F... set commands
c (string) ..F... set commands
filename (string) ..F... set commands file
f (string) ..F... set commands file
asetnsamples AVOptions:
pad (int) ..F.A. pad last frame with zeros (from 0 to 1)
p (int) ..F.A. pad last frame with zeros (from 0 to 1)
nb_out_samples (int) ..F.A. set the number of perframe output samples (from 1 to INT_MAX)
n (int) ..F.A. set the number of perframe output samples (from 1 to INT_MAX)
bandpass AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set bandwidth (from 0 to 999)
w (ｄouble) ..F.A. set bandwidth (from 0 to 999)
csg (int) ..F.A. use constant skirt gain (from 0 to 1)
bandreject AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set bandwidth (from 0 to 999)
w (ｄouble) ..F.A. set bandwidth (from 0 to 999)
bass AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
w (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
gain (ｄouble) ..F.A. set gain (from 900 to 900)
g (ｄouble) ..F.A. set gain (from 900 to 900)
biquad AVOptions:
a0 (ｄouble) ..F.A. (from 32767 to 32767)
a1 (ｄouble) ..F.A. (from 32767 to 32767)
a2 (ｄouble) ..F.A. (from 32767 to 32767)
b0 (ｄouble) ..F.A. (from 32767 to 32767)
b1 (ｄouble) ..F.A. (from 32767 to 32767)
b2 (ｄouble) ..F.A. (from 32767 to 32767)
channel map filter AVOptions:
map (string) ..F.A. A commaseparated 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.
ebur128 AVOptions:
video (int) ..FV.. set video output (from 0 to 1)
size (image_size) ..FV.. set video size
meter (int) ..FV.. set scale meter (+9 to +18) (from 9 to 18)
equalizer AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set bandwidth (from 0 to 999)
w (ｄouble) ..F.A. set bandwidth (from 0 to 999)
gain (ｄouble) ..F.A. set gain (from 900 to 900)
g (ｄouble) ..F.A. set gain (from 900 to 900)
highpass AVOptions:
frequency (ｄouble) ..F.A. set frequency (from 0 to 999999)
f (ｄouble) ..F.A. set frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set width (from 0 to 99999)
w (ｄouble) ..F.A. set width (from 0 to 99999)
poles (int) ..F.A. set number of poles (from 1 to 2)
p (int) ..F.A. set number of poles (from 1 to 2)
join filter AVOptions:
inputs (int) ..F.A. Number of input streams. (from 1 to INT_MAX)
channel_layout (string) ..F.A. Channel layout of the output stream.
map (string) ..F.A. A commaseparated list of channels maps in the format 'input_stream.input_channeloutput_channel.
lowpass AVOptions:
frequency (ｄouble) ..F.A. set frequency (from 0 to 999999)
f (ｄouble) ..F.A. set frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set width (from 0 to 99999)
w (ｄouble) ..F.A. set width (from 0 to 99999)
poles (int) ..F.A. set number of poles (from 1 to 2)
p (int) ..F.A. set number of poles (from 1 to 2)
silencedetect AVOptions:
n (ｄouble) ..F.A. set noise tolerance (from 0 to 1.79769e+308)
noise (ｄouble) ..F.A. set noise tolerance (from 0 to 1.79769e+308)
d (ｄouble) ..F.A. set minimum duration in seconds (from 0 to 86400)
duration (ｄouble) ..F.A. set minimum duration in seconds (from 0 to 86400)
treble AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
w (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
gain (ｄouble) ..F.A. set gain (from 900 to 900)
g (ｄouble) ..F.A. set gain (from 900 to 900)
volume AVOptions:
volume (ｄouble) ..F.A. set volume adjustment (from 0 to 8.38861e+06)
precision (int) ..F.A. select mathematical precision (from 0 to 2)
fixed ..F.A. select 8bit fixedpoint
float ..F.A. select 32bit floatingpoint
ｄouble ..F.A. select 64bit floatingpoint
aevalsrc AVOptions:
nb_samples (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
n (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
sample_rate (string) ..F.A. set the sample rate
s (string) ..F.A. set the sample rate
duration (string) ..F.A. set audio duration
d (string) ..F.A. set audio duration
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
cl (string) ..F.A. set channel_layout
sample_rate (string) ..F.A. set sample rate
r (string) ..F.A. set sample rate
nb_samples (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
n (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
ass AVOptions:
filename (string) ..FV.. set the filename of file to read
f (string) ..FV.. set the filename of file to read
original_size (image_size) ..FV.. set the size of the original video (used to scale fonts)
blackdetect AVOptions:
d (ｄouble) ..FV.. set minimum detected black duration in seconds (from 0 to 1.79769e+308)
black_min_duration (ｄouble) ..FV.. set minimum detected black duration in seconds (from 0 to 1.79769e+308)
picture_black_ratio_th (ｄouble) ..FV.. set the picture black ratio threshold (from 0 to 1)
pic_th (ｄouble) ..FV.. set the picture black ratio threshold (from 0 to 1)
pixel_black_th (ｄouble) ..FV.. set the pixel black threshold (from 0 to 1)
pix_th (ｄouble) ..FV.. set the pixel black threshold (from 0 to 1)
blend AVOptions:
c0_mode (int) ..FV.. set component #0 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c1_mode (int) ..FV.. set component #1 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c2_mode (int) ..FV.. set component #2 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c3_mode (int) ..FV.. set component #3 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
all_mode (int) ..FV.. set blend mode for all components (from 1 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c0_expr (string) ..FV.. set color component #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)
c1_opacity (ｄouble) ..FV.. set color component #1 opacity (from 0 to 1)
c2_opacity (ｄouble) ..FV.. set color component #2 opacity (from 0 to 1)
c3_opacity (ｄouble) ..FV.. set color component #3 opacity (from 0 to 1)
all_opacity (ｄouble) ..FV.. set opacity for all color components (from 0 to 1)
boxblur AVOptions:
luma_radius (string) ..FV.. set luma radius
lr (string) ..FV.. set luma radius
luma_power (int) ..FV.. set luma power (from 0 to INT_MAX)
lp (int) ..FV.. set luma power (from 0 to INT_MAX)
chroma_radius (string) ..FV.. set chroma radius
cr (string) ..FV.. set chroma radius
chroma_power (int) ..FV.. set chroma power (from 1 to INT_MAX)
cp (int) ..FV.. set chroma power (from 1 to INT_MAX)
alpha_radius (string) ..FV.. set alpha radius
ar (string) ..FV.. set alpha radius
alpha_power (int) ..FV.. set alpha power (from 1 to INT_MAX)
ap (int) ..FV.. set alpha power (from 1 to INT_MAX)
crop AVOptions:
x (string) ..FV.. set the x crop area expression
y (string) ..FV.. set the y crop area expression
out_w (string) ..FV.. set the width crop area expression
w (string) ..FV.. set the width crop area expression
out_h (string) ..FV.. set the height crop area expression
h (string) ..FV.. set the height crop area expression
keep_aspect (int) ..FV.. keep aspect ratio (from 0 to 1)
decimate 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)
hi (int) ..FV.. set high dropping threshold (from INT_MIN to INT_MAX)
lo (int) ..FV.. set low dropping threshold (from INT_MIN to INT_MAX)
frac (float) ..FV.. set fraction dropping threshold (from 0 to 1)
delogo AVOptions:
x (int) ..FV.. set logo x position (from 1 to INT_MAX)
y (int) ..FV.. set logo y position (from 1 to INT_MAX)
w (int) ..FV.. set logo width (from 1 to INT_MAX)
h (int) ..FV.. set logo height (from 1 to INT_MAX)
band (int) ..FV.. set delogo area band size (from 1 to INT_MAX)
t (int) ..FV.. set delogo area band size (from 1 to INT_MAX)
show (int) ..FV.. show delogo area (from 0 to 1)
deshake AVOptions:
x (int) ..FV.. set x for the rectangular search area (from 1 to INT_MAX)
y (int) ..FV.. set y for the rectangular search area (from 1 to INT_MAX)
w (int) ..FV.. set width for the rectangular search area (from 1 to INT_MAX)
h (int) ..FV.. set height for the rectangular search area (from 1 to INT_MAX)
rx (int) ..FV.. set x for the rectangular search area (from 0 to 64)
ry (int) ..FV.. set y for the rectangular search area (from 0 to 64)
edge (int) ..FV.. set edge mode (from 0 to 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)
contrast (int) ..FV.. set contrast threshold for blocks (from 1 to 255)
search (int) ..FV.. set search strategy (from 0 to 1)
exhaustive ..FV.. exhaustive search
less ..FV.. less exhaustive search
filename (string) ..FV.. set motion search detailed log file name
drawbox AVOptions:
x (int) ..FV.. set the box topleft corner x position (from INT_MIN to INT_MAX)
y (int) ..FV.. set the box topleft corner y position (from INT_MIN to INT_MAX)
width (int) ..FV.. set the box width (from 0 to INT_MAX)
w (int) ..FV.. set the box width (from 0 to INT_MAX)
height (int) ..FV.. set the box height (from 0 to INT_MAX)
h (int) ..FV.. set the box height (from 0 to INT_MAX)
color (string) ..FV.. set the box edge color
c (string) ..FV.. set the box edge color
thickness (int) ..FV.. set the box maximum thickness (from 0 to INT_MAX)
t (int) ..FV.. set the box maximum thickness (from 0 to INT_MAX)
drawtext AVOptions:
fontfile (string) ..FV.. set font file
text (string) ..FV.. set text
textfile (string) ..FV.. set text file
fontcolor (string) ..FV.. set foreground color
boxcolor (string) ..FV.. set box color
shadowcolor (string) ..FV.. set shadow color
box (int) ..FV.. set box (from 0 to 1)
fontsize (int) ..FV.. set font size (from 0 to INT_MAX)
x (string) ..FV.. set x expression
y (string) ..FV.. set y expression
shadowx (int) ..FV.. set x (from INT_MIN to INT_MAX)
shadowy (int) ..FV.. set y (from INT_MIN to INT_MAX)
tabsize (int) ..FV.. set tab size (from 0 to INT_MAX)
basetime (int64) ..FV.. set base time (from I64_MIN to I64_MAX)
draw (string) ..FV.. if false do not draw
expansion (int) ..FV.. set the expansion mode (from 0 to 2)
none ..FV.. set no expansion
normal ..FV.. set normal expansion
strftime ..FV.. set strftime expansion (deprecated)
timecode (string) ..FV.. set initial timecode
tc24hmax (int) ..FV.. set 24 hours max (timecode only) (from 0 to 1)
timecode_rate (rational) ..FV.. set rate (timecode only) (from 0 to INT_MAX)
r (rational) ..FV.. set rate (timecode only) (from 0 to INT_MAX)
rate (rational) ..FV.. set rate (timecode only) (from 0 to INT_MAX)
reload (int) ..FV.. reload text file for each frame (from 0 to 1)
fix_bounds (int) ..FV.. if true, check and fix text coords to avoid clipping (from 0 to 1)
ft_load_flags (flags) ..FV.. set font loading flags for libfreetype
default ..FV.. set default
no_scale ..FV.. set no_scale
no_hinting ..FV.. set no_hinting
render ..FV.. set render
no_bitmap ..FV.. set no_bitmap
vertical_layout ..FV.. set vertical_layout
force_autohint ..FV.. set force_autohint
crop_bitmap ..FV.. set crop_bitmap
pedantic ..FV.. set pedantic
ignore_global_advance_width ..FV.. set ignore_global_advance_width
no_recurse ..FV.. set no_recurse
ignore_transform ..FV.. set ignore_transform
monochrome ..FV.. set monochrome
linear_design ..FV.. set linear_design
no_autohint ..FV.. set no_autohint
edgedetect AVOptions:
high (ｄouble) ..FV.. set high threshold (from 0 to 1)
low (ｄouble) ..FV.. set low threshold (from 0 to 1)
fade AVOptions:
type (string) ..FV.. set the fade direction
t (string) ..FV.. set the fade direction
start_frame (int) ..FV.. set expression of frame to start fading (from 0 to INT_MAX)
s (int) ..FV.. set expression of frame to start fading (from 0 to INT_MAX)
nb_frames (int) ..FV.. set expression for fade duration in frames (from 0 to INT_MAX)
n (int) ..FV.. set expression for fade duration in frames (from 0 to INT_MAX)
alpha (int) ..FV.. fade alpha if it is available on the input (from 0 to 1)
field AVOptions:
type (int) ..FV.. set field type (top or bottom) (from 0 to 1)
top ..FV.. select top field
bottom ..FV.. select bottom field
fps AVOptions:
fps (string) ..FV.. A string describing desired output framerate
round (int) ..FV.. set rounding method for timestamps (from 0 to 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
geq AVOptions:
lum_expr (string) ..FV.. set luminance expression
cb_expr (string) ..FV.. set chroma blue expression
cr_expr (string) ..FV.. set chroma red expression
alpha_expr (string) ..FV.. set alpha expression
gradfun AVOptions:
strength (ｄouble) ..FV.. set the maximum amount by which the filter will change any one pixel (from 0.51 to 64)
radius (int) ..FV.. set the neighborhood to fit the gradient to (from 4 to 32)
histeq AVOptions:
strength (float) ..FV.. set the strength (from 0 to 1)
intensity (float) ..FV.. set the intensity (from 0 to 1)
antibanding (int) ..FV.. set the antibanding level (from 0 to 2)
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)
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)
scale_height (int) ..FV.. set scale height (from 0 to 40)
step (int) ..FV.. set waveform step value (from 1 to 255)
waveform_mode (int) ..FV.. set waveform mode (from 0 to 1)
row ..FV..
column ..FV..
display_mode (int) ..FV.. set display mode (from 0 to 1)
parade ..FV..
overlay ..FV..
hue AVOptions:
h (string) ..FV.. set the hue angle degrees expression
H (string) ..FV.. set the hue angle radians expression
s (string) ..FV.. set the saturation expression
idet AVOptions:
intl_thres (float) ..FV.. set interlacing threshold (from 1 to FLT_MAX)
prog_thres (float) ..FV.. set progressive threshold (from 1 to FLT_MAX)
il AVOptions:
luma_mode (int) ..FV.. select luma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
l (int) ..FV.. select luma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
chroma_mode (int) ..FV.. select chroma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
c (int) ..FV.. select chroma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
alpha_mode (int) ..FV.. select alpha mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
a (int) ..FV.. select alpha mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
luma_swap (int) ..FV.. swap luma fields (from 0 to 1)
ls (int) ..FV.. swap luma fields (from 0 to 1)
chroma_swap (int) ..FV.. swap chroma fields (from 0 to 1)
cs (int) ..FV.. swap chroma fields (from 0 to 1)
alpha_swap (int) ..FV.. swap alpha fields (from 0 to 1)
as (int) ..FV.. swap alpha fields (from 0 to 1)
kerndeint AVOptions:
thresh (int) ..FV.. set the threshold (from 0 to 255)
map (int) ..FV.. set the map (from 0 to 1)
order (int) ..FV.. set the order (from 0 to 1)
sharp (int) ..FV.. enable sharpening (from 0 to 1)
twoway (int) ..FV.. enable twoway (from 0 to 1)
lut AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
lutrgb AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
lutyuv AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
negate AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
noise AVOptions:
all_seed (int) ..FV.. set component #0 noise seed (from 1 to INT_MAX)
all_strength (int) ..FV.. set component #0 strength (from 0 to 100)
alls (int) ..FV.. set component #0 strength (from 0 to 100)
all_flags (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
allf (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c0_seed (int) ..FV.. set component #0 noise seed (from 1 to INT_MAX)
c0_strength (int) ..FV.. set component #0 strength (from 0 to 100)
c0s (int) ..FV.. set component #0 strength (from 0 to 100)
c0_flags (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c0f (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c1_seed (int) ..FV.. set component #1 noise seed (from 1 to INT_MAX)
c1_strength (int) ..FV.. set component #1 strength (from 0 to 100)
c1s (int) ..FV.. set component #1 strength (from 0 to 100)
c1_flags (flags) ..FV.. set component #1 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c1f (flags) ..FV.. set component #1 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c2_seed (int) ..FV.. set component #2 noise seed (from 1 to INT_MAX)
c2_strength (int) ..FV.. set component #2 strength (from 0 to 100)
c2s (int) ..FV.. set component #2 strength (from 0 to 100)
c2_flags (flags) ..FV.. set component #2 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c2f (flags) ..FV.. set component #2 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c3_seed (int) ..FV.. set component #3 noise seed (from 1 to INT_MAX)
c3_strength (int) ..FV.. set component #3 strength (from 0 to 100)
c3s (int) ..FV.. set component #3 strength (from 0 to 100)
c3_flags (flags) ..FV.. set component #3 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c3f (flags) ..FV.. set component #3 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
overlay AVOptions:
x (string) ..FV.. set the x expression
y (string) ..FV.. set the y expression
rgb (int) ..FV.. force packed RGB in input and output (deprecated) (from 0 to 1)
shortest (int) ..FV.. force termination when the shortest input terminates (from 0 to 1)
format (int) ..FV.. set output format (from 0 to 2)
yuv420 ..FV..
yuv444 ..FV..
rgb ..FV..
pad AVOptions:
width (string) ..FV.. set the pad area width expression
w (string) ..FV.. set the pad area width expression
height (string) ..FV.. set the pad area height expression
h (string) ..FV.. set the pad area height expression
x (string) ..FV.. set the x offset expression for the input image position
y (string) ..FV.. set the y offset expression for the input image position
color (string) ..FV.. set the color of the padded area border
scale AVOptions:
w (string) ..FV.. set width expression
width (string) ..FV.. set width expression
h (string) ..FV.. set height expression
height (string) ..FV.. set height expression
flags (string) ..FV.. set libswscale flags
interl (int) ..FV.. set interlacing (from 1 to 1)
select AVOptions:
expr (string) ..F... set selection expression
e (string) ..F... set selection expression
sendcmd AVOptions:
commands (string) ..F... set commands
c (string) ..F... set commands
filename (string) ..F... set commands file
f (string) ..F... set commands file
setdar AVOptions:
max (int) ..FV.. set max value for nominator or denominator in the ratio (from 1 to INT_MAX)
ratio (string) ..FV.. set ratio
r (string) ..FV.. set ratio
setfield AVOptions:
mode (int) ..FV.. select interlace mode (from 1 to 2)
auto ..FV.. keep the same input field
bff ..FV.. mark as bottomfieldfirst
tff ..FV.. mark as topfieldfirst
prog ..FV.. mark as progressive
setsar AVOptions:
max (int) ..FV.. set max value for nominator or denominator in the ratio (from 1 to INT_MAX)
ratio (string) ..FV.. set ratio
r (string) ..FV.. set ratio
stereo3d AVOptions:
in (int) ..FV.. set input format (from 18 to 25)
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
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 25)
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
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
subtitles AVOptions:
filename (string) ..FV.. set the filename of file to read
f (string) ..FV.. set the filename of file to read
original_size (image_size) ..FV.. set the size of the original video (used to scale fonts)
charenc (string) ..FV.. set input character encoding
tile AVOptions:
layout (image_size) ..FV.. set grid size
margin (int) ..FV.. set outer border margin in pixels (from 0 to 1024)
padding (int) ..FV.. set inner border thickness in pixels (from 0 to 1024)
nb_frames (int) ..FV.. set maximum number of frame to render (from 0 to INT_MAX)
tinterlace AVOptions:
mode (int) ..FV.. select interlace mode (from 0 to 6)
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)
passthrough (int) ..FV.. do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX)
none ..FV.. always apply transposition
portrait ..FV.. preserve portrait geometry
landscape ..FV.. preserve landscape geometry
unsharp AVOptions:
yadif AVOptions:
mode (int) ..FV.. specify the interlacing mode (from 0 to 3)
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)
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)
all ..FV.. deinterlace all frames
interlaced ..FV.. only deinterlace frames marked as interlaced
cellauto AVOptions:
filename (string) ..FV.. read initial pattern from file
f (string) ..FV.. read initial pattern from file
pattern (string) ..FV.. set initial pattern
p (string) ..FV.. set initial pattern
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rule (int) ..FV.. set rule (from 0 to 255)
random_fill_ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
random_seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
scroll (int) ..FV.. scroll pattern downward (from 0 to 1)
start_full (int) ..FV.. start filling the whole video (from 0 to 1)
full (int) ..FV.. start filling the whole video (from 0 to 1)
stitch (int) ..FV.. stitch boundaries (from 0 to 1)
color AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
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 (string) ..FV.. set video rate
r (string) ..FV.. set video rate
rule (string) ..FV.. set rule
random_fill_ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
random_seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
stitch (int) ..FV.. stitch boundaries (from 0 to 1)
mold (int) ..FV.. set mold speed for dead cells (from 0 to 255)
life_color (string) ..FV.. set life color
death_color (string) ..FV.. set death color
mold_color (string) ..FV.. set mold color
mandelbrot AVOptions:
size (image_size) ..FV.. set frame size
s (image_size) ..FV.. set frame size
rate (string) ..FV.. set frame rate
r (string) ..FV.. set frame rate
maxiter (int) ..FV.. set max iterations number (from 1 to INT_MAX)
start_x (ｄouble) ..FV.. set the initial x position (from 100 to 100)
start_y (ｄouble) ..FV.. set the initial y position (from 100 to 100)
start_scale (ｄouble) ..FV.. set the initial scale value (from 0 to FLT_MAX)
end_scale (ｄouble) ..FV.. set the terminal scale value (from 0 to FLT_MAX)
end_pts (ｄouble) ..FV.. set the terminal pts value (from 0 to I64_MAX)
bailout (ｄouble) ..FV.. set the bailout value (from 0 to FLT_MAX)
outer (int) ..FV.. set outer coloring mode (from 0 to INT_MAX)
iteration_count ..FV.. set iteration count mode
normalized_iteration_count ..FV.. set normalized iteration count mode
inner (int) ..FV.. set inner coloring mode (from 0 to INT_MAX)
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 (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
test (int) ..FV.. set test to perform (from 0 to INT_MAX)
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)
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
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
rgbtestsrc AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
smptebars AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
testsrc AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
concat AVOptions:
n (int) ..FVA. specify the number of segments (from 2 to INT_MAX)
v (int) ..FV.. specify the number of video streams (from 0 to INT_MAX)
a (int) ..F.A. specify the number of audio streams (from 0 to INT_MAX)
unsafe (int) ..F.A. enable unsafe mode (from 0 to INT_MAX)
showspectrum AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
slide (int) ..FV.. set sliding mode (from 0 to 1)
mode (int) ..FV.. set channel display mode (from 0 to 1)
combined ..FV.. combined mode
separate ..FV.. separate mode
color (int) ..FV.. set channel coloring (from 0 to 1)
channel ..FV.. separate color for each channel
intensity ..FV.. intensity based coloring
scale (int) ..FV.. set display scale (from 0 to 3)
sqrt ..FV.. square root
cbrt ..FV.. cubic root
log ..FV.. logarithmic
lin ..FV.. linear
saturation (float) ..FV.. color saturation multiplier (from 10 to 10)
showwaves AVOptions:
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
n (int) ..FV.. set how many samples to show in the same point (from 0 to INT_MAX)
mode (int) ..FV.. select display mode (from 0 to 1)
point ..FV.. draw a point for each sample
line ..FV.. draw a line for each sample
amovie AVOptions:
format_name (string) ..F... set format name
f (string) ..F... set format name
streams (string) ..F... set streams
s (string) ..F... set streams
si (int) ..F... set stream index (from 1 to INT_MAX)
stream_index (int) ..F... set stream index (from 1 to INT_MAX)
seek_point (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
sp (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
loop (int) ..F... set loop count (from 0 to INT_MAX)
movie AVOptions:
format_name (string) ..F... set format name
f (string) ..F... set format name
streams (string) ..F... set streams
s (string) ..F... set streams
si (int) ..F... set stream index (from 1 to INT_MAX)
stream_index (int) ..F... set stream index (from 1 to INT_MAX)
seek_point (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
sp (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
loop (int) ..F... set loop count (from 0 to INT_MAX)
abuffer AVOptions:
time_base (rational) ..F.A. (from 0 to INT_MAX)
sample_rate (int) ..F.A. (from 0 to INT_MAX)
sample_fmt (string) ..F.A.
channels (int) ..F.A. (from 0 to INT_MAX)
channel_layout (string) ..F.A.
buffer AVOptions:
time_base (rational) ..FV.. (from 0 to INT_MAX)
frame_rate (rational) ..FV.. (from 0 to INT_MAX)
video_size (image_size) ..FV..
pix_fmt (pix_fmt) ..FV..
pixel_aspect (rational) ..FV.. (from 0 to INT_MAX)
sws_param (string) ..FV..
MacBookPro:~ tom$ /Applications/動画編集/ffmpeg1.2.7/ffmpeg formats
ffmpeg version 1.2tessus Copyright (c) 20002013 the FFmpeg developers
built on Mar 15 2013 01:18:55 with llvmgcc 4.2.1 (LLVM build 2336.1.00)
configuration: prefix=/Users/tessus/data/ext/ffmpeg/sw as=yasm extraversion=tessus disableshared enablestatic disableffplay enablegpl enablepthreads enablepostproc enablelibmp3lame enablelibtheora enablelibvorbis enablelibx264 enablelibxvid enablelibspeex enablebzlib enablezlib enablelibopencoreamrnb enablelibopencoreamrwb enablelibxavs enableversion3 enablelibvoaacenc enablelibvoamrwbenc enablelibvpx enablelibgsm enablelibopus enablefontconfig enablelibfreetype enablelibass enablefilters enableruntimecpudetect
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
File formats:
D. = Demuxing supported
.E = Muxing supported

E 3g2 3GP2 (3GPP2 file format)
E 3gp 3GP (3GPP file format)
D 4xm 4X Technologies
E a64 a64  video for Commodore 64
D aac raw ADTS AAC (Advanced Audio Coding)
DE ac3 raw AC3
D act ACT Voice file format
D adf Artworx Data Format
E adts ADTS AAC (Advanced Audio Coding)
DE adx CRI ADX
D aea MD STUDIO audio
D afc AFC
DE aiff Audio IFF
DE alaw PCM Alaw
DE amr 3GPP AMR
D anm Deluxe Paint Animation
D apc CRYO APC
D ape Monkey's Audio
D aqtitle AQTitle subtitles
DE asf ASF (Advanced / Active Streaming Format)
E asf_stream ASF (Advanced / Active Streaming Format)
DE ass SSA (SubStation Alpha) subtitle
DE ast AST (Audio Stream)
DE au Sun AU
DE avi AVI (Audio Video Interleaved)
E avm2 SWF (ShockWave Flash) (AVM2)
D avr AVR (Audio Visual Research)
D avs AVS
D bethsoftvid Bethesda Softworks VID
D bfi Brute Force & Ignorance
D bin Binary text
D bink Bink
DE bit G.729 BIT file format
D bmv Discworld II BMV
D brstm BRSTM (Binary Revolution Stream)
D c93 Interplay C93
DE caf Apple CAF (Core Audio Format)
DE cavsvideo raw Chinese AVS (Audio Video Standard) video
D cdg CD Graphics
D cdxl Commodore CDXL video
D concat Virtual concatenation script
E crc CRC testing
DE daud DCinema audio
D dfa Chronomaster DFA
DE dirac raw Dirac
DE dnxhd raw DNxHD (SMPTE VC3)
D dsicin Delphine Software International CIN
DE dts raw DTS
D dtshd raw DTSHD
DE dv DV (Digital Video)
E dvd MPEG2 PS (DVD VOB)
D dxa DXA
D ea Electronic Arts Multimedia
D ea_cdata Electronic Arts cdata
DE eac3 raw EAC3
D epaf Ensoniq Paris Audio File
DE f32be PCM 32bit floatingpoint bigendian
DE f32le PCM 32bit floatingpoint littleendian
E f4v F4V Adobe Flash Video
DE f64be PCM 64bit floatingpoint bigendian
DE f64le PCM 64bit floatingpoint littleendian
DE ffm FFM (FFserver live feed)
DE ffmetadata FFmpeg metadata in text
D film_cpk Sega FILM / CPK
DE filmstrip Adobe Filmstrip
DE flac raw FLAC
D flic FLI/FLC/FLX animation
DE flv FLV (Flash Video)
E framecrc framecrc testing
E framemd5 Perframe MD5 testing
D frm Megalux Frame
DE g722 raw G.722
DE g723_1 raw G.723.1
D g729 G.729 raw format demuxer
DE gif GIF Animation
D gsm raw GSM
DE gxf GXF (General eXchange Format)
DE h261 raw H.261
DE h263 raw H.263
DE h264 raw H.264 video
E hls Apple HTTP Live Streaming
D hls,applehttp Apple HTTP Live Streaming
DE ico Microsoft Windows ICO
D idcin id Cinematic
D idf iCE Draw File
D iff IFF (Interchange File Format)
DE ilbc iLBC storage
DE image2 image2 sequence
DE image2pipe piped image2 sequence
D ingenient raw Ingenient MJPEG
D ipmovie Interplay MVE
E ipod iPod H.264 MP4 (MPEG4 Part 14)
DE ircam Berkeley/IRCAM/CARL Sound Format
E ismv ISMV/ISMA (Smooth Streaming)
D iss Funcom ISS
D iv8 IndigoVision 8000 video
DE ivf On2 IVF
DE jacosub JACOsub subtitle format
D jv Bitmap Brothers JV
DE latm LOAS/LATM
D lavfi Libavfilter virtual input device
D lmlm4 raw lmlm4
D loas LOAS AudioSyncStream
D lvf LVF
D lxf VR native stream (LXF)
DE m4v raw MPEG4 video
E matroska Matroska
D matroska,webm Matroska / WebM
E md5 MD5 testing
D mgsts Metal Gear Solid: The Twin Snakes
DE microdvd MicroDVD subtitle format
DE mjpeg raw MJPEG video
E mkvtimestamp_v2 extract pts as timecode v2 format, as defined by mkvtoolnix
DE mlp raw MLP
D mm American Laser Games MM
DE mmf Yamaha SMAF
E mov QuickTime / MOV
D mov,mp4,m4a,3gp,3g2,mj2 QuickTime / MOV
E mp2 MP2 (MPEG audio layer 2)
DE mp3 MP3 (MPEG audio layer 3)
E mp4 MP4 (MPEG4 Part 14)
D mpc Musepack
D mpc8 Musepack SV8
DE mpeg MPEG1 Systems / MPEG program stream
E mpeg1video raw MPEG1 video
E mpeg2video raw MPEG2 video
DE mpegts MPEGTS (MPEG2 Transport Stream)
D mpegtsraw raw MPEGTS (MPEG2 Transport Stream)
D mpegvideo raw MPEG video
E mpjpeg MIME multipart JPEG
D mpl2 MPL2 subtitles
D mpsub MPlayer subtitles
D msnwctcp MSN TCP Webcam stream
D mtv MTV
DE mulaw PCM mulaw
D mv Silicon Graphics Movie
D mvi Motion Pixels MVI
DE mxf MXF (Material eXchange Format)
E mxf_d10 MXF (Material eXchange Format) D10 Mapping
D mxg MxPEG clip
D nc NC camera feed
D nistsphere NIST SPeech HEader REsources
D nsv Nullsoft Streaming Video
E null raw null video
DE nut NUT
D nuv NuppelVideo
DE ogg Ogg
DE oma Sony OpenMG audio
D paf Amazing Studio Packed Animation File
D pjs PJS (Phoenix Japanimation Society) subtitles
D pmp Playstation Portable PMP
E psp PSP MP4 (MPEG4 Part 14)
D psxstr Sony Playstation STR
D pva TechnoTrend PVA
D pvf PVF (Portable Voice Format)
D qcp QCP
D r3d REDCODE R3D
DE rawvideo raw video
E rcv VC1 test bitstream
D realtext RealText subtitle format
D rl2 RL2
DE rm RealMedia
DE roq raw id RoQ
D rpl RPL / ARMovie
DE rso Lego Mindstorms RSO
DE rtp RTP output
DE rtsp RTSP output
DE s16be PCM signed 16bit bigendian
DE s16le PCM signed 16bit littleendian
DE s24be PCM signed 24bit bigendian
DE s24le PCM signed 24bit littleendian
DE s32be PCM signed 32bit bigendian
DE s32le PCM signed 32bit littleendian
DE s8 PCM signed 8bit
D sami SAMI subtitle format
DE sap SAP output
D sbg SBaGen binaural beats script
D sdp SDP
E segment segment
D shn raw Shorten
D siff Beam Software SIFF
DE smjpeg Loki SDL MJPEG
D smk Smacker
E smoothstreaming Smooth Streaming Muxer
D smush LucasArts Smush
D sol Sierra SOL
DE sox SoX native
DE spdif IEC 61937 (used on S/PDIF  IEC958)
DE srt SubRip subtitle
E stream_segment,ssegment streaming segment muxer
D subviewer SubViewer subtitle format
D subviewer1 SubViewer v1 subtitle format
E svcd MPEG2 PS (SVCD)
DE swf SWF (ShockWave Flash)
D tak raw TAK
D tedcaptions TED Talks captions
E tee Multiple muxer tee
D thp THP
D tiertexseq Tiertex Limited SEQ
D tmv 8088flex TMV
DE truehd raw TrueHD
D tta TTA (True Audio)
D tty Teletypewriter
D txd Renderware TeXture Dictionary
DE u16be PCM unsigned 16bit bigendian
DE u16le PCM unsigned 16bit littleendian
DE u24be PCM unsigned 24bit bigendian
DE u24le PCM unsigned 24bit littleendian
DE u32be PCM unsigned 32bit bigendian
DE u32le PCM unsigned 32bit littleendian
DE u8 PCM unsigned 8bit
D vc1 raw VC1
D vc1test VC1 test bitstream
E vcd MPEG1 Systems / MPEG program stream (VCD)
D vivo Vivo
D vmd Sierra VMD
E vob MPEG2 PS (VOB)
D vobsub VobSub subtitle format
DE voc Creative Voice
D vplayer VPlayer subtitles
D vqf Nippon Telegraph and Telephone Corporation (NTT) TwinVQ
DE w64 Sony Wave64
DE wav WAV / WAVE (Waveform Audio)
D wc3movie Wing Commander III movie
E webm WebM
D webvtt WebVTT subtitle
D wsaud Westwood Studios audio
D wsvqa Westwood Studios VQA
DE wtv Windows Television (WTV)
DE wv WavPack
D xa Maxis XA
D xbin eXtended BINary text (XBIN)
D xmv Microsoft XMV
D xwma Microsoft xWMA
D yop Psygnosis YOP
DE yuv4mpegpipe YUV4MPEG pipe
ffmpeg version 1.2tessus Copyright (c) 20002013 the FFmpeg developers
built on Mar 15 2013 01:18:55 with llvmgcc 4.2.1 (LLVM build 2336.1.00)
configuration: prefix=/Users/tessus/data/ext/ffmpeg/sw as=yasm extraversion=tessus disableshared enablestatic disableffplay enablegpl enablepthreads enablepostproc enablelibmp3lame enablelibtheora enablelibvorbis enablelibx264 enablelibxvid enablelibspeex enablebzlib enablezlib enablelibopencoreamrnb enablelibopencoreamrwb enablelibxavs enableversion3 enablelibvoaacenc enablelibvoamrwbenc enablelibvpx enablelibgsm enablelibopus enablefontconfig enablelibfreetype enablelibass enablefilters enableruntimecpudetect
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
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
formats show available formats
codecs show available codecs
decoders show available decoders
encoders show available encoders
bsfs show available bit stream filters
protocols show available protocols
filters show available filters
pix_fmts show available pixel formats
layouts show standard channel layouts
sample_fmts show available audio sample formats
Global options (affect whole program instead of just one file:
loglevel loglevel set libav* logging level
v loglevel set libav* logging level
report generate a report
max_alloc bytes set maximum size of a single allocated block
y overwrite output files
n do not overwrite output files
stats print progress report during encoding
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
benchmark add timings for benchmarking
benchmark_all add timings for each task
progress url write programreadable progress information
stdin enable or disable interaction on standard input
timelimit limit set max runtime in seconds
dump dump each input packet
hex when dumping packets, also dump the payload
vsync video sync method
async audio sync method
adrift_threshold threshold audio drift threshold
copyts copy timestamps
copytb mode copy input stream time base when stream copying
dts_delta_threshold threshold timestamp discontinuity delta threshold
dts_error_threshold threshold timestamp error delta threshold
xerror error exit on error
filter_complex graph_description create a complex filtergraph
debug_ts print timestamp debugging info
intra deprecated use g 1
vdt n discard threshold
sameq Removed
same_quant Removed
deinterlace this option is deprecated, use the yadif filter instead
psnr calculate PSNR of compressed frames
vstats dump video coding statistics to file
vstats_file file dump video coding statistics to file
dc precision intra_dc_precision
qphist show QP histogram
vc channel deprecated, use channel
tvstd standard deprecated, use standard
isync this option is deprecated and does nothing
Perfile main options:
f fmt force format
c codec codec name
codec codec codec name
pre preset preset name
map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
t duration record or transcode "duration" seconds of audio/video
to time_stop record or transcode stop time
fs limit_size set the limit file size in bytes
ss time_off set the start time offset
timestamp time set the recording timestamp ('now' to set the current time)
metadata string=string add metadata
target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "palvcd", "ntscsvcd", ...)
frames number set the number of frames to record
filter filter_graph set stream filtergraph
reinit_filter reinit filtergraph on input parameter changes
Advanced perfile 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
itsoffset time_off set the input ts offset
itsscale scale set the input ts scale
dframes number set the number of data frames to record
re read input at native frame rate
shortest finish encoding within shortest input
copyinkf copy initial nonkeyframes
copypriorss copy or discard frames before start time
tag fourcc/tag force codec tag/fourcc
q q use fixed quality scale (VBR)
qscale q use fixed quality scale (VBR)
profile profile set profile
attach filename add an attachment to the output file
dump_attachment filename extract an attachment into a file
muxdelay seconds set the maximum demuxdecode delay
muxpreload seconds set the initial demuxdecode delay
bsf bitstream_filters A commaseparated list of bitstream filters
fpre filename set options from indicated preset file
dcodec codec force data codec ('copy' to copy stream)
Video options:
vframes number set the number of video frames to record
r rate set frame rate (Hz value, fraction or abbreviation)
s size set frame size (WxH or abbreviation)
aspect aspect set aspect ratio (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
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
vdt n discard threshold
rc_override override rate control override for specific intervals
sameq Removed
same_quant Removed
passlogfile prefix select two pass log file name prefix
deinterlace this option is deprecated, use the yadif filter instead
psnr calculate PSNR of compressed frames
vstats dump video coding statistics to file
vstats_file file dump video coding statistics to file
intra_matrix matrix specify intra matrix coeffs
inter_matrix matrix specify inter matrix coeffs
top top=1/bottom=0/auto=1 field first
dc precision intra_dc_precision
vtag fourcc/tag force video tag/fourcc
qphist show QP histogram
force_fps force the selected framerate, disable the best supported framerate selection
streamid streamIndex:value set the value of an outfile streamid
force_key_frames timestamps force key frames at specified timestamps
vc channel deprecated, use channel
tvstd standard deprecated, use standard
vbsf video bitstream_filters deprecated
vpre preset set the video options to the indicated preset
Audio options:
aframes number set the number of audio frames to record
aq quality set audio quality (codecspecific)
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
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)
ab (int) E...A. set bitrate (in bits/s) (from 0 to INT_MAX)
bt (int) E..V.. Set video bitrate tolerance (in bits/s). In 1pass 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)
flags (flags) ED.VAS
mv4 E..V.. use four motion vectors per macroblock (MPEG4)
qpel E..V.. use 1/4pel 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 / MPEG4 AC prediction
cbp E..V.. Deprecated, use mpegvideo private options instead
qprd E..V.. Deprecated, use mpegvideo private options instead
ilme E..V.. interlaced motion estimation
cgop E..V.. closed GOP
me_method (int) E..V.. set motion estimation method (from INT_MIN to INT_MAX)
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)
ar (int) ED..A. set audio sampling rate (in Hz) (from INT_MIN to INT_MAX)
ac (int) ED..A. set number of audio channels (from INT_MIN to INT_MAX)
cutoff (int) E...A. set cutoff bandwidth (from INT_MIN to INT_MAX)
frame_size (int) E...A. (from INT_MIN to INT_MAX)
qcomp (float) E..V.. video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.01.0 (from 3.40282e+38 to FLT_MAX)
qblur (float) E..V.. video quantizer scale blur (VBR) (from 1 to FLT_MAX)
qmin (int) E..V.. minimum video quantizer scale (VBR) (from 1 to 69)
qmax (int) E..V.. maximum video quantizer scale (VBR) (from 1 to 1024)
qdiff (int) E..V.. maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX)
bf (int) E..V.. use 'frames' B frames (from 1 to 16)
b_qfactor (float) E..V.. QP factor between P and Bframes (from 3.40282e+38 to FLT_MAX)
rc_strategy (int) E..V.. ratecontrol method (from INT_MIN to INT_MAX)
b_strategy (int) E..V.. strategy to choose between I/P/Bframes (from INT_MIN to INT_MAX)
ps (int) E..V.. RTP payload size in bytes (from INT_MIN to INT_MAX)
bug (flags) .D.V.. work around not autodetected encoder bugs
autodetect .D.V..
old_msmpeg4 .D.V.. some old lavcgenerated 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.. directqpelblocksize 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
lelim (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider DC coefficient) (from INT_MIN to INT_MAX)
celim (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider DC coefficient) (from INT_MIN to INT_MAX)
strict (int) ED.VA. how strictly to follow the standards (from INT_MIN to INT_MAX)
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 nonstandardized experimental things
b_qoffset (float) E..V.. QP offset between P and Bframes (from 3.40282e+38 to FLT_MAX)
err_detect (flags) .D.VA. set error detection flags
crccheck .D.VA. verify embedded CRCs
bitstream .D.VA. detect bitstream specification deviations
buffer .D.VA. detect improper bitstream length
explode .D.VA. abort decoding on minor error detection
careful .D.VA. consider things that violate the spec 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)
qsquish (float) E..V.. how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99)
rc_qmod_amp (float) E..V.. experimental quantizer modulation (from 3.40282e+38 to FLT_MAX)
rc_qmod_freq (int) E..V.. experimental quantizer modulation (from INT_MIN to INT_MAX)
rc_eq (string) E..V.. Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
maxrate (int) E..VA. Set maximum bitrate tolerance (in bits/s). Requires bufsize to be set. (from INT_MIN to INT_MAX)
minrate (int) E..VA. Set minimum bitrate tolerance (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX)
bufsize (int) E..VA. set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX)
rc_buf_aggressivity (float) E..V.. currently useless (from 3.40282e+38 to FLT_MAX)
i_qfactor (float) E..V.. QP factor between P and Iframes (from 3.40282e+38 to FLT_MAX)
i_qoffset (float) E..V.. QP offset between P and Iframes (from 3.40282e+38 to FLT_MAX)
rc_init_cplx (float) E..V.. initial complexity for 1pass encoding (from 3.40282e+38 to FLT_MAX)
dct (int) E..V.. DCT algorithm (from 0 to INT_MAX)
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 3.40282e+38 to FLT_MAX)
tcplx_mask (float) E..V.. temporal complexity masking (from 3.40282e+38 to FLT_MAX)
scplx_mask (float) E..V.. spatial complexity masking (from 3.40282e+38 to FLT_MAX)
p_mask (float) E..V.. inter masking (from 3.40282e+38 to FLT_MAX)
dark_mask (float) E..V.. compresses dark areas stronger than medium ones (from 3.40282e+38 to FLT_MAX)
idct (int) ED.V.. select IDCT implementation (from 0 to INT_MAX)
auto ED.V..
int ED.V..
simple ED.V..
simplemmx ED.V..
libmpeg2mmx ED.V..
mmi 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..
h264 ED.V..
vp3 ED.V..
ipp ED.V..
xvidmmx ED.V..
faani ED.V.. floating point AAN IDCT
ec (flags) .D.V.. set error concealment strategy
guess_mvs .D.V.. iterative motion vector (MV) search (slow)
deblock .D.V.. use strong deblock filter for damaged MBs
pred (int) E..V.. prediction method (from INT_MIN to INT_MAX)
left E..V..
plane E..V..
median E..V..
aspect (rational) E..V.. sample aspect ratio (from 0 to 10)
debug (flags) ED.VAS print specific debug info
pict .D.V.. picture info
rc E..V.. rate control
bitstream .D.V..
mb_type .D.V.. macroblock (MB) type
qp .D.V.. perblock 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.V.. threading operations
vismv (int) .D.V.. visualize motion vectors (MVs) (from 0 to INT_MAX)
pf .D.V.. forward predicted MVs of Pframes
bf .D.V.. forward predicted MVs of Bframes
bb .D.V.. backward predicted MVs of Bframes
cmp (int) E..V.. fullpel ME compare function (from INT_MIN to INT_MAX)
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.. subpel ME compare function (from INT_MIN to INT_MAX)
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)
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)
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)
last_pred (int) E..V.. amount of motion predictors from the previous frame (from INT_MIN to INT_MAX)
preme (int) E..V.. pre motion estimation (from INT_MIN to INT_MAX)
precmp (int) E..V.. pre motion estimation compare function (from INT_MIN to INT_MAX)
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 prepass (from INT_MIN to INT_MAX)
subq (int) E..V.. subpel motion estimation quality (from INT_MIN to INT_MAX)
me_range (int) E..V.. limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX)
ibias (int) E..V.. intra quant bias (from INT_MIN to INT_MAX)
pbias (int) E..V.. inter quant bias (from INT_MIN to INT_MAX)
global_quality (int) E..VA. (from INT_MIN to INT_MAX)
coder (int) E..V.. (from INT_MIN to INT_MAX)
vlc E..V.. variable length coder / Huffman coder
ac E..V.. arithmetic coder
raw E..V.. raw (no encoding)
rle E..V.. runlength coder
deflate E..V.. deflatebased coder
context (int) E..V.. context model (from INT_MIN to INT_MAX)
mbd (int) E..V.. macroblock decision algorithm (high quality mode) (from 0 to 2)
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)
lmin (int) E..V.. minimum Lagrange factor (VBR) (from 0 to INT_MAX)
lmax (int) E..V.. maximum Lagrange factor (VBR) (from 0 to INT_MAX)
nr (int) E..V.. noise reduction (from INT_MIN to INT_MAX)
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)
inter_threshold (int) E..V.. (from INT_MIN to INT_MAX)
flags2 (flags) ED.VA.
fast E..V.. allow nonspeccompliant speedup tricks
sgop E..V.. Deprecated, use mpegvideo private options instead
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
skiprd E..V.. Deprecated, use mpegvideo private options instead
error (int) E..V.. (from INT_MIN to INT_MAX)
qns (int) E..V.. deprecated, use mpegvideo private options instead (from INT_MIN to INT_MAX)
threads (int) ED.V.. (from 0 to INT_MAX)
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)
mb_threshold (int) E..V.. macroblock threshold (from INT_MIN to INT_MAX)
dc (int) E..V.. intra_dc_precision (from INT_MIN to INT_MAX)
nssew (int) E..V.. nsse weight (from INT_MIN to INT_MAX)
skip_top (int) .D.V.. number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX)
skip_bottom (int) .D.V.. number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX)
profile (int) E..VA. (from INT_MIN to INT_MAX)
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.
dts E...A.
dts_es E...A.
dts_96_24 E...A.
dts_hd_hra E...A.
dts_hd_ma E...A.
level (int) E..VA. (from INT_MIN to INT_MAX)
unknown E..VA.
lowres (int) .D.VA. decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX)
skip_threshold (int) E..V.. frame skip threshold (from INT_MIN to INT_MAX)
skip_factor (int) E..V.. frame skip factor (from INT_MIN to INT_MAX)
skip_exp (int) E..V.. frame skip exponent (from INT_MIN to INT_MAX)
skipcmp (int) E..V.. frame skip compare function (from INT_MIN to INT_MAX)
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.. increase the quantizer for macroblocks close to borders (from 3.40282e+38 to FLT_MAX)
mblmin (int) E..V.. minimum macroblock Lagrange factor (VBR) (from 1 to 32767)
mblmax (int) E..V.. maximum macroblock Lagrange factor (VBR) (from 1 to 32767)
mepc (int) E..V.. motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX)
skip_loop_filter (int) .D.V.. (from INT_MIN to INT_MAX)
none .D.V..
default .D.V..
noref .D.V..
bidir .D.V..
nokey .D.V..
all .D.V..
skip_idct (int) .D.V.. (from INT_MIN to INT_MAX)
none .D.V..
default .D.V..
noref .D.V..
bidir .D.V..
nokey .D.V..
all .D.V..
skip_frame (int) .D.V.. (from INT_MIN to INT_MAX)
none .D.V..
default .D.V..
noref .D.V..
bidir .D.V..
nokey .D.V..
all .D.V..
bidir_refine (int) E..V.. refine the two motion vectors used in bidirectional macroblocks (from 0 to 4)
brd_scale (int) E..V.. downscale frames for dynamic Bframe decision (from 0 to 10)
keyint_min (int) E..V.. minimum interval between IDRframes (from INT_MIN to INT_MAX)
refs (int) E..V.. reference frames to consider for motion compensation (from INT_MIN to INT_MAX)
chromaoffset (int) E..V.. chroma QP offset from luma (from INT_MIN to INT_MAX)
trellis (int) E..VA. ratedistortion optimal quantization (from INT_MIN to INT_MAX)
sc_factor (int) E..V.. multiplied by qscale for each frame and added to scene_change_score (from 0 to INT_MAX)
mv0_threshold (int) E..V.. (from 0 to INT_MAX)
b_sensitivity (int) E..V.. adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX)
compression_level (int) E..VA. (from INT_MIN to INT_MAX)
min_prediction_order (int) E...A. (from INT_MIN to INT_MAX)
max_prediction_order (int) E...A. (from INT_MIN to INT_MAX)
timecode_frame_start (int64) E..V.. GOP timecode frame start number, in nondropframe format (from 0 to I64_MAX)
request_channels (int) .D..A. set desired number of audio channels (from 0 to INT_MAX)
channel_layout (int64) ED..A. (from 0 to I64_MAX)
request_channel_layout (int64) .D..A. (from 0 to I64_MAX)
rc_max_vbv_use (float) E..V.. (from 0 to FLT_MAX)
rc_min_vbv_use (float) E..V.. (from 0 to FLT_MAX)
ticks_per_frame (int) ED.VA. (from 1 to INT_MAX)
color_primaries (int) ED.V.. (from 1 to 8)
color_trc (int) ED.V.. (from 1 to 7)
colorspace (int) ED.V.. (from 1 to 8)
color_range (int) ED.V.. (from 0 to 2)
chroma_sample_location (int) ED.V.. (from 0 to 6)
slices (int) E..V.. number of slices, used in parallelized encoding (from 0 to INT_MAX)
thread_type (flags) ED.V.. select multithreading type
slice ED.V..
frame ED.V..
audio_service_type (int) E...A. audio service type (from 0 to 8)
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
sub_charenc (string) .D...S set input text subtitles character encoding
sub_charenc_mode (flags) .D...S set input text subtitles character encoding mode
do_nothing .D...S
auto .D...S
pre_decoder .D...S
cljr encoder AVOptions:
dither_type (int) E..V.. Dither type (from 0 to 2)
dnxhd AVOptions:
nitris_compat (int) E..V.. encode with Avid Nitris compatibility (from 0 to 1)
ffv1 encoder AVOptions:
slicecrc (int) E..V.. Protect slices with CRCs (from 1 to 1)
flv encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
frwu Decoder AVOptions:
change_field_order (int) .D.V.. Change field order (from 0 to 1)
gif decoder AVOptions:
trans_color (int) .D.V.. color value (ARGB) that is used instead of transparent color (from 0 to 4.29497e+09)
h261 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
H.263 encoder AVOptions:
obmc (int) E..V.. use overlapped block motion compensation. (from 0 to 1)
structured_slices (int) E..V.. Write slice start position at every GOB header instead of just GOB number. (from 0 to 1)
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)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
H.263p encoder AVOptions:
umv (int) E..V.. Use unlimited motion vectors. (from 0 to 1)
aiv (int) E..V.. Use alternative inter VLC. (from 0 to 1)
obmc (int) E..V.. use overlapped block motion compensation. (from 0 to 1)
structured_slices (int) E..V.. Write slice start position at every GOB header instead of just GOB number. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
H264 Decoder AVOptions:
MJPEG decoder AVOptions:
extern_huff (int) .D.V.. Use external huffman table. (from 0 to 1)
mpeg1video encoder AVOptions:
gop_timecode (string) E..V.. MPEG GOP Timecode in hh:mm:ss[:;.]ff format
intra_vlc (int) E..V.. Use MPEG2 intra VLC table. (from 0 to 1)
drop_frame_timecode (int) E..V.. Timecode is in drop frame format. (from 0 to 1)
scan_offset (int) E..V.. Reserve space for SVCD scan offset user data. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
mpeg2video encoder AVOptions:
gop_timecode (string) E..V.. MPEG GOP Timecode in hh:mm:ss[:;.]ff format
intra_vlc (int) E..V.. Use MPEG2 intra VLC table. (from 0 to 1)
drop_frame_timecode (int) E..V.. Timecode is in drop frame format. (from 0 to 1)
scan_offset (int) E..V.. Reserve space for SVCD scan offset user data. (from 0 to 1)
non_linear_quant (int) E..V.. Use nonlinear quantizer. (from 0 to 1)
alternate_scan (int) E..V.. Enable alternate scantable. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
MPEG4 encoder AVOptions:
data_partitioning (int) E..V.. Use data partitioning. (from 0 to 1)
alternate_scan (int) E..V.. Enable alternate scantable. (from 0 to 1)
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
MPEG4 Video Decoder AVOptions:
msmpeg4v2 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
msmpeg4v3 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
ProRes encoder AVOptions:
mbs_per_slice (int) E..V.. macroblocks per slice (from 1 to 8)
profile (int) E..V.. (from 0 to 3)
proxy E..V..
lt E..V..
standard E..V..
hq E..V..
vendor (string) E..V.. vendor ID
bits_per_mb (int) E..V.. desired bits per macroblock (from 0 to 8192)
quant_mat (int) E..V.. quantiser matrix (from 1 to 4)
auto E..V..
proxy E..V..
lt E..V..
standard E..V..
hq E..V..
default E..V..
rawdec AVOptions:
top (int) .D.V.. top field first (from 1 to 1)
rv10 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
rv20 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
snow encoder AVOptions:
memc_only (int) E..V.. Only do ME/MC (I frames ) ref, P frame ) ME+MC). (from 0 to 1)
no_bitstream (int) E..V.. Skip final bitstream writeout. (from 0 to 1)
TIFF encoder AVOptions:
dpi (int) E..V.. set the image resolution (in dpi) (from 1 to 65536)
compression_algo (int) E..V.. (from 1 to 32946)
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)
wmv1 encoder AVOptions:
mpv_flags (flags) E..V.. Flags common for all mpegvideobased encoders.
skip_rd E..V.. RD optimal MB level residual skipping
strict_gop E..V.. Strictly enforce gop size
qp_rd E..V.. Use rate distortion optimization for qp selection
cbp_rd E..V.. use rate distortion optimization for CBP
luma_elim_threshold (int) E..V.. single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
chroma_elim_threshold (int) E..V.. single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX)
quantizer_noise_shaping (int) E..V.. (from 0 to INT_MAX)
AAC encoder AVOptions:
stereo_mode (int) E...A. Stereo coding method (from 1 to 1)
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)
AAC decoder AVOptions:
dual_mono_mode (int) .D..A. Select the channel to decode for dual mono (from 1 to 2)
auto .D..A. autoselection
main .D..A. Select Main/Left channel
sub .D..A. Select Sub/Right channel
both .D..A. Select both channels
AC3 Encoder AVOptions:
per_frame_metadata (int) E...A. Allow Changing Metadata PerFrame (from 0 to 1)
center_mixlev (float) E...A. Center Mix Level (from 0 to 1)
surround_mixlev (float) E...A. Surround Mix Level (from 0 to 1)
mixing_level (int) E...A. Mixing Level (from 1 to 111)
room_type (int) E...A. Room Type (from 1 to 2)
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)
dialnorm (int) E...A. Dialogue Level (dB) (from 31 to 1)
dsur_mode (int) E...A. Dolby Surround Mode (from 1 to 2)
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)
dmix_mode (int) E...A. Preferred Stereo Downmix Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
ltrt E...A. Lt/Rt Downmix Preferred
loro E...A. Lo/Ro Downmix Preferred
ltrt_cmixlev (float) E...A. Lt/Rt Center Mix Level (from 1 to 2)
ltrt_surmixlev (float) E...A. Lt/Rt Surround Mix Level (from 1 to 2)
loro_cmixlev (float) E...A. Lo/Ro Center Mix Level (from 1 to 2)
loro_surmixlev (float) E...A. Lo/Ro Surround Mix Level (from 1 to 2)
dsurex_mode (int) E...A. Dolby Surround EX Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
on E...A. Dolby Surround EX Encoded
off E...A. Not Dolby Surround EX Encoded
dheadphone_mode (int) E...A. Dolby Headphone Mode (from 1 to 2)
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)
standard E...A. Standard (default)
hdcd E...A. HDCD
stereo_rematrixing (int) E...A. Stereo Rematrixing (from 0 to 1)
channel_coupling (int) E...A. Channel Coupling (from 1 to 1)
auto E...A. Selected by the Encoder
cpl_start_band (int) E...A. Coupling Start Band (from 1 to 15)
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 1)
FixedPoint AC3 Encoder AVOptions:
per_frame_metadata (int) E...A. Allow Changing Metadata PerFrame (from 0 to 1)
center_mixlev (float) E...A. Center Mix Level (from 0 to 1)
surround_mixlev (float) E...A. Surround Mix Level (from 0 to 1)
mixing_level (int) E...A. Mixing Level (from 1 to 111)
room_type (int) E...A. Room Type (from 1 to 2)
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)
dialnorm (int) E...A. Dialogue Level (dB) (from 31 to 1)
dsur_mode (int) E...A. Dolby Surround Mode (from 1 to 2)
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)
dmix_mode (int) E...A. Preferred Stereo Downmix Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
ltrt E...A. Lt/Rt Downmix Preferred
loro E...A. Lo/Ro Downmix Preferred
ltrt_cmixlev (float) E...A. Lt/Rt Center Mix Level (from 1 to 2)
ltrt_surmixlev (float) E...A. Lt/Rt Surround Mix Level (from 1 to 2)
loro_cmixlev (float) E...A. Lo/Ro Center Mix Level (from 1 to 2)
loro_surmixlev (float) E...A. Lo/Ro Surround Mix Level (from 1 to 2)
dsurex_mode (int) E...A. Dolby Surround EX Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
on E...A. Dolby Surround EX Encoded
off E...A. Not Dolby Surround EX Encoded
dheadphone_mode (int) E...A. Dolby Headphone Mode (from 1 to 2)
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)
standard E...A. Standard (default)
hdcd E...A. HDCD
stereo_rematrixing (int) E...A. Stereo Rematrixing (from 0 to 1)
channel_coupling (int) E...A. Channel Coupling (from 1 to 1)
auto E...A. Selected by the Encoder
cpl_start_band (int) E...A. Coupling Start Band (from 1 to 15)
auto E...A. Selected by the Encoder
APE decoder AVOptions:
max_samples (int) .D..A. maximum number of samples decoded per call (from 1 to INT_MAX)
all .D..A. no maximum. decode all samples for each packet at once
EAC3 Encoder AVOptions:
per_frame_metadata (int) E...A. Allow Changing Metadata PerFrame (from 0 to 1)
mixing_level (int) E...A. Mixing Level (from 1 to 111)
room_type (int) E...A. Room Type (from 1 to 2)
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)
dialnorm (int) E...A. Dialogue Level (dB) (from 31 to 1)
dsur_mode (int) E...A. Dolby Surround Mode (from 1 to 2)
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)
dmix_mode (int) E...A. Preferred Stereo Downmix Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
ltrt E...A. Lt/Rt Downmix Preferred
loro E...A. Lo/Ro Downmix Preferred
ltrt_cmixlev (float) E...A. Lt/Rt Center Mix Level (from 1 to 2)
ltrt_surmixlev (float) E...A. Lt/Rt Surround Mix Level (from 1 to 2)
loro_cmixlev (float) E...A. Lo/Ro Center Mix Level (from 1 to 2)
loro_surmixlev (float) E...A. Lo/Ro Surround Mix Level (from 1 to 2)
dsurex_mode (int) E...A. Dolby Surround EX Mode (from 1 to 2)
notindicated E...A. Not Indicated (default)
on E...A. Dolby Surround EX Encoded
off E...A. Not Dolby Surround EX Encoded
dheadphone_mode (int) E...A. Dolby Headphone Mode (from 1 to 2)
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)
standard E...A. Standard (default)
hdcd E...A. HDCD
stereo_rematrixing (int) E...A. Stereo Rematrixing (from 0 to 1)
channel_coupling (int) E...A. Channel Coupling (from 1 to 1)
auto E...A. Selected by the Encoder
cpl_start_band (int) E...A. Coupling Start Band (from 1 to 15)
auto E...A. Selected by the Encoder
EAC3 decoder AVOptions:
drc_scale (float) .D..A. percentage of dynamic range compression to apply (from 0 to 1)
FLAC encoder AVOptions:
lpc_coeff_precision (int) E...A. LPC coefficient precision (from 0 to 15)
lpc_type (int) E...A. LPC algorithm (from 1 to 3)
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)
min_partition_order (int) E...A. (from 1 to 8)
max_partition_order (int) E...A. (from 1 to 8)
prediction_order_method (int) E...A. Search method for selecting prediction order (from 1 to 5)
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)
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)
TTA Decoder AVOptions:
password (string) .D..A. Set decoding password
g722 decoder AVOptions:
bits_per_codeword (flags) .D..A. Bits per G722 codeword
g726 AVOptions:
code_size (int) E...A. Bits per code (from 2 to 5)
dvdsubdec AVOptions:
palette (string) .D...S set the global palette
PGS subtitle decoder AVOptions:
forced_subs_only (int) .D...S Only show forced subtitles (from 0 to 1)
pjs decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
subviewer1 decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
text decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
vplayer decoder AVOptions:
keep_ass_markup (int) .D...S Set if ASS tags must be escaped (from 0 to 1)
libmp3lame encoder AVOptions:
reservoir (int) E...A. Use bit reservoir. (from 0 to 1)
libopencore_amrnb AVOptions:
dtx (int) E...A. Allow DTX (generate comfort noise) (from 0 to 1)
libopus AVOptions:
application (int) E...A. Intended application type (from 2048 to 2051)
voip E...A. Favor improved speech intelligibility
audio E...A. Favor faithfulness to the input
lowdelay E...A. Restrict to only the lowest delay modes
frame_duration (float) E...A. Duration of a frame in milliseconds (from 2.5 to 60)
packet_loss (int) E...A. Expected packet loss percentage (from 0 to 100)
vbr (int) E...A. Variable bit rate mode (from 0 to 2)
off E...A. Use constant bit rate
on E...A. Use variable bit rate
constrained E...A. Use constrained VBR
libspeex AVOptions:
abr (int) E...A. Use average bit rate (from 0 to 1)
cbr_quality (int) E...A. Set quality value (0 to 10) for CBR (from 0 to 10)
frames_per_packet (int) E...A. Number of frames to encode in each packet (from 1 to 8)
vad (int) E...A. Voice Activity Detection (from 0 to 1)
dtx (int) E...A. Discontinuous Transmission (from 0 to 1)
libvo_amrwbenc AVOptions:
dtx (int) E...A. Allow DTX (generate comfort noise) (from 0 to 1)
libvorbis AVOptions:
iblock (ｄouble) E...A. Sets the impulse block bias (from 15 to 0)
libvpx encoder AVOptions:
cpuused (int) E..V.. Quality/Speed ratio modifier (from INT_MIN to INT_MAX)
autoaltref (int) E..V.. Enable use of alternate reference frames (2pass only) (from 1 to 1)
laginframes (int) E..V.. Number of frames to look ahead for alternate reference frame selection (from 1 to INT_MAX)
arnrmaxframes (int) E..V.. altref noise reduction max frame count (from 1 to INT_MAX)
arnrstrength (int) E..V.. altref noise reduction filter strength (from 1 to INT_MAX)
arnrtype (int) E..V.. altref noise reduction filter type (from 1 to INT_MAX)
backward E..V..
forward E..V..
centered E..V..
deadline (int) E..V.. Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX)
best E..V..
good E..V..
realtime E..V..
errorresilient (flags) E..V.. Error resilience configuration
default E..V.. Improve resiliency against losses of whole frames
partitions E..V.. The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra predicition is still done over the partition boundary.
maxintrarate (int) E..V.. Maximum Iframe bitrate (pct) 0=unlimited (from 1 to INT_MAX)
speed (int) E..V.. (from 16 to 16)
quality (int) E..V.. (from INT_MIN to INT_MAX)
best E..V..
good E..V..
realtime E..V..
vp8flags (flags) E..V..
error_resilient E..V.. enable error resilience
altref E..V.. enable use of alternate reference frames (VP8/2pass only)
arnr_max_frames (int) E..V.. altref noise reduction max frame count (from 0 to 15)
arnr_strength (int) E..V.. altref noise reduction filter strength (from 0 to 6)
arnr_type (int) E..V.. altref noise reduction filter type (from 1 to 3)
rc_lookahead (int) E..V.. Number of frames to look ahead for alternate reference frame selection (from 0 to 25)
crf (int) E..V.. Select the quality for constant quality mode (from 0 to 63)
libx264 AVOptions:
preset (string) E..V.. Set the encoding preset (cf. x264 fullhelp)
tune (string) E..V.. Tune the encoding params (cf. x264 fullhelp)
profile (string) E..V.. Set profile restrictions (cf. x264 fullhelp)
fastfirstpass (int) E..V.. Use fast settings when encoding first pass (from 0 to 1)
level (string) E..V.. Specify level (as defined by Annex A)
passlogfile (string) E..V.. Filename for 2 pass stats
wpredp (string) E..V.. Weighted prediction for Pframes
x264opts (string) E..V.. x264 options
crf (float) E..V.. Select the quality for constant quality mode (from 1 to FLT_MAX)
crf_max (float) E..V.. In CRF mode, prevents VBV from lowering quality beyond this point. (from 1 to FLT_MAX)
qp (int) E..V.. Constant quantization parameter rate control method (from 1 to INT_MAX)
aqmode (int) E..V.. AQ method (from 1 to INT_MAX)
none E..V..
variance E..V.. Variance AQ (complexity mask)
autovariance E..V.. Autovariance AQ (experimental)
aqstrength (float) E..V.. AQ strength. Reduces blocking and blurring in flat and textured areas. (from 1 to FLT_MAX)
psy (int) E..V.. Use psychovisual optimizations. (from 1 to 1)
psyrd (string) E..V.. Strength of psychovisual optimization, in (psyrd):(psytrellis) format.
rclookahead (int) E..V.. Number of frames to look ahead for frametype and ratecontrol (from 1 to INT_MAX)
weightb (int) E..V.. Weighted prediction for Bframes. (from 1 to 1)
weightp (int) E..V.. Weighted prediction analysis method. (from 1 to INT_MAX)
none E..V..
simple E..V..
smart E..V..
ssim (int) E..V.. Calculate and print SSIM stats. (from 1 to 1)
intrarefresh (int) E..V.. Use Periodic Intra Refresh instead of IDR frames. (from 1 to 1)
bbias (int) E..V.. Influences how often Bframes are used (from INT_MIN to INT_MAX)
bpyramid (int) E..V.. Keep some Bframes as references. (from 1 to INT_MAX)
none E..V..
strict E..V.. Strictly hierarchical pyramid
normal E..V.. Nonstrict (not Bluray compatible)
mixedrefs (int) E..V.. One reference per partition, as opposed to one reference per macroblock (from 1 to 1)
8x8dct (int) E..V.. High profile 8x8 transform. (from 1 to 1)
fastpskip (int) E..V.. (from 1 to 1)
aud (int) E..V.. Use access unit delimiters. (from 1 to 1)
mbtree (int) E..V.. Use macroblock tree ratecontrol. (from 1 to 1)
deblock (string) E..V.. Loop filter parameters, in (alpha:beta) form.
cplxblur (float) E..V.. Reduce fluctuations in QP (before curve compression) (from 1 to FLT_MAX)
partitions (string) E..V.. A commaseparated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
directpred (int) E..V.. Direct MV prediction mode (from 1 to INT_MAX)
none E..V..
spatial E..V..
temporal E..V..
auto E..V..
slicemaxsize (int) E..V.. Limit the size of each slice in bytes (from 1 to INT_MAX)
stats (string) E..V.. Filename for 2 pass stats
nalhrd (int) E..V.. Signal HRD information (requires vbvbufsize; cbr not allowed in .mp4) (from 1 to INT_MAX)
none E..V..
vbr E..V..
cbr E..V..
x264params (string) E..V.. Override the x264 configuration using a :separated list of key=value parameters
libx264rgb AVOptions:
preset (string) E..V.. Set the encoding preset (cf. x264 fullhelp)
tune (string) E..V.. Tune the encoding params (cf. x264 fullhelp)
profile (string) E..V.. Set profile restrictions (cf. x264 fullhelp)
fastfirstpass (int) E..V.. Use fast settings when encoding first pass (from 0 to 1)
level (string) E..V.. Specify level (as defined by Annex A)
passlogfile (string) E..V.. Filename for 2 pass stats
wpredp (string) E..V.. Weighted prediction for Pframes
x264opts (string) E..V.. x264 options
crf (float) E..V.. Select the quality for constant quality mode (from 1 to FLT_MAX)
crf_max (float) E..V.. In CRF mode, prevents VBV from lowering quality beyond this point. (from 1 to FLT_MAX)
qp (int) E..V.. Constant quantization parameter rate control method (from 1 to INT_MAX)
aqmode (int) E..V.. AQ method (from 1 to INT_MAX)
none E..V..
variance E..V.. Variance AQ (complexity mask)
autovariance E..V.. Autovariance AQ (experimental)
aqstrength (float) E..V.. AQ strength. Reduces blocking and blurring in flat and textured areas. (from 1 to FLT_MAX)
psy (int) E..V.. Use psychovisual optimizations. (from 1 to 1)
psyrd (string) E..V.. Strength of psychovisual optimization, in (psyrd):(psytrellis) format.
rclookahead (int) E..V.. Number of frames to look ahead for frametype and ratecontrol (from 1 to INT_MAX)
weightb (int) E..V.. Weighted prediction for Bframes. (from 1 to 1)
weightp (int) E..V.. Weighted prediction analysis method. (from 1 to INT_MAX)
none E..V..
simple E..V..
smart E..V..
ssim (int) E..V.. Calculate and print SSIM stats. (from 1 to 1)
intrarefresh (int) E..V.. Use Periodic Intra Refresh instead of IDR frames. (from 1 to 1)
bbias (int) E..V.. Influences how often Bframes are used (from INT_MIN to INT_MAX)
bpyramid (int) E..V.. Keep some Bframes as references. (from 1 to INT_MAX)
none E..V..
strict E..V.. Strictly hierarchical pyramid
normal E..V.. Nonstrict (not Bluray compatible)
mixedrefs (int) E..V.. One reference per partition, as opposed to one reference per macroblock (from 1 to 1)
8x8dct (int) E..V.. High profile 8x8 transform. (from 1 to 1)
fastpskip (int) E..V.. (from 1 to 1)
aud (int) E..V.. Use access unit delimiters. (from 1 to 1)
mbtree (int) E..V.. Use macroblock tree ratecontrol. (from 1 to 1)
deblock (string) E..V.. Loop filter parameters, in (alpha:beta) form.
cplxblur (float) E..V.. Reduce fluctuations in QP (before curve compression) (from 1 to FLT_MAX)
partitions (string) E..V.. A commaseparated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
directpred (int) E..V.. Direct MV prediction mode (from 1 to INT_MAX)
none E..V..
spatial E..V..
temporal E..V..
auto E..V..
slicemaxsize (int) E..V.. Limit the size of each slice in bytes (from 1 to INT_MAX)
stats (string) E..V.. Filename for 2 pass stats
nalhrd (int) E..V.. Signal HRD information (requires vbvbufsize; cbr not allowed in .mp4) (from 1 to INT_MAX)
none E..V..
vbr E..V..
cbr E..V..
x264params (string) E..V.. Override the x264 configuration using a :separated list of key=value parameters
libxavs AVOptions:
crf (float) E..V.. Select the quality for constant quality mode (from 1 to FLT_MAX)
qp (int) E..V.. Constant quantization parameter rate control method (from 1 to INT_MAX)
bbias (int) E..V.. Influences how often Bframes are used (from INT_MIN to INT_MAX)
cplxblur (float) E..V.. Reduce fluctuations in QP (before curve compression) (from 1 to FLT_MAX)
directpred (int) E..V.. Direct MV prediction mode (from 1 to INT_MAX)
none E..V..
spatial E..V..
temporal E..V..
auto E..V..
aud (int) E..V.. Use access unit delimiters. (from 1 to 1)
mbtree (int) E..V.. Use macroblock tree ratecontrol. (from 1 to 1)
mixedrefs (int) E..V.. One reference per partition, as opposed to one reference per macroblock (from 1 to 1)
fastpskip (int) E..V.. (from 1 to 1)
AVFormatContext AVOptions:
avioflags (flags) ED....
direct ED.... reduce buffering
probesize (int) .D.... set probing size (from 32 to INT_MAX)
packetsize (int) E..... set packet size (from 0 to INT_MAX)
fflags (flags) ED....
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.... dont merge side data
latm E..... enable RTP MP4ALATM payload
nobuffer .D.... reduce the latency introduced by optional buffering
seek2any (int) .D.... forces seeking to enable seek to any mode (from 0 to 1)
analyzeduration (int) .D.... specify how many microseconds are analyzed to probe the input (from 0 to INT_MAX)
cryptokey (binary) .D.... decryption key
indexmem (int) .D.... max memory used for timestamp index (per stream) (from 0 to INT_MAX)
rtbufsize (int) .D.... max memory used for buffering realtime frames (from 0 to INT_MAX)
fdebug (flags) ED.... print specific debug info
ts ED....
max_delay (int) ED.... maximum muxing or demuxing delay in microseconds (from 1 to INT_MAX)
fpsprobesize (int) .D.... number of frames used to probe fps (from 1 to 2.14748e+09)
audio_preload (int) E..... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09)
chunk_duration (int) E..... microseconds for each chunk (from 0 to 2.14748e+09)
chunk_size (int) E..... size in bytes for each chunk (from 0 to 2.14748e+09)
f_err_detect (flags) .D.... set error detection flags (deprecated; use err_detect, save via avconv)
crccheck .D.... verify embedded CRCs
bitstream .D.... detect bitstream specification deviations
buffer .D.... detect improper bitstream length
explode .D.... abort decoding on minor error detection
careful .D.... consider things that violate the spec 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 shouldnt do as an error
err_detect (flags) .D.... set error detection flags
crccheck .D.... verify embedded CRCs
bitstream .D.... detect bitstream specification deviations
buffer .D.... detect improper bitstream length
explode .D.... abort decoding on minor error detection
careful .D.... consider things that violate the spec 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 shouldnt do as an error
use_wallclock_as_timestamps (int) .D.... use wallclock as timestamps (from 0 to 2.14748e+09)
avoid_negative_ts (int) E..... shift timestamps to make them positive. 1 enables, 0 disables, default of 1 enables when required by target format. (from 1 to 1)
skip_initial_bytes (int) .D.... skip initial bytes (from 0 to 2.14748e+09)
correct_ts_overflow (int) .D.... correct single timestamp overflows (from 0 to 1)
AVIOContext AVOptions:
URLContext AVOptions:
crypto AVOptions:
key (binary) .D.... AES decryption key
iv (binary) .D.... AES decryption initialization vector
ffrtmphttp AVOptions:
ffrtmphttp_tls (int) .D.... Use a HTTPS tunneling connection (RTMPTS). (from 0 to 1)
file AVOptions:
truncate (int) E..... Truncate existing files on write (from 0 to 1)
http AVOptions:
seekable (int) .D.... control seekability of connection (from 1 to 1)
chunked_post (int) E..... use chunked transferencoding for posts (from 0 to 1)
headers (string) ED.... set custom HTTP headers, can override built in default headers
content_type (string) ED.... force a content type
useragent (string) .D.... override UserAgent header
multiple_requests (int) ED.... use persistent connections (from 0 to 1)
post_data (binary) ED.... set custom HTTP post data
timeout (int) ED.... set timeout of socket I/O operations (from 1 to 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)
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)
rtmp_live (int) .D.... Specify that the media is a live stream. (from INT_MIN to INT_MAX)
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)
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)
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)
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)
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)
rtmp_live (int) .D.... Specify that the media is a live stream. (from INT_MIN to INT_MAX)
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)
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)
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)
srtp AVOptions:
srtp_out_suite (string) E.....
srtp_out_params (string) E.....
srtp_in_suite (string) E.....
srtp_in_params (string) E.....
tcp AVOptions:
listen (int) ED.... listen on port instead of connecting (from 0 to 1)
timeout (int) ED.... timeout of socket i/o operations (from 0 to INT_MAX)
listen_timeout (int) ED.... connection awaiting timeout (from 1 to INT_MAX)
udp AVOptions:
buffer_size (int) ED.... Socket buffer size in bytes (from 0 to INT_MAX)
localport (int) ED.... Set local port to bind to (from 0 to INT_MAX)
localaddr (string) ED.... Choose local IP address
pkt_size (int) ED.... Set size of UDP packets (from 0 to INT_MAX)
reuse (int) ED.... Explicitly allow or disallow reusing UDP sockets (from 0 to 1)
ttl (int) E..... Set the time to live value (for multicast only) (from 0 to INT_MAX)
connect (int) ED.... Should connect() be called on socket (from 0 to 1)
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)
overrun_nonfatal (int) .D.... Survive in case of UDP receiving circular buffer overrun (from 0 to 1)
timeout (int) .D.... In read mode: if no data arrived in more than this time interval, raise error (from 0 to INT_MAX)
lavfi indev AVOptions:
graph (string) .D.... set libavfilter graph
graph_file (string) .D.... set libavfilter graph filename
dumpgraph (string) .D.... dump graph to stderr
Artworx Data Format demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
aqtdec AVOptions:
subfps (rational) .D...S set the movie frame rate (from 0 to INT_MAX)
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)
avi AVOptions:
use_odml (int) .D.... use odml index (from 1 to 1)
Binary text demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
cavsvideo demuxer AVOptions:
framerate (string) .D....
CDXL demuxer AVOptions:
sample_rate (int) .D.... (from 1 to INT_MAX)
framerate (string) .D....
concat demuxer AVOptions:
safe (int) .D.... enable safe mode (from 1 to 1)
dirac demuxer AVOptions:
framerate (string) .D....
dnxhd demuxer AVOptions:
framerate (string) .D....
flvdec AVOptions:
flv_metadata (int) .D.V.. Allocate streams according the onMetaData array (from 0 to 1)
g729 demuxer AVOptions:
bit_rate (int) .D.... (from 0 to INT_MAX)
GIF demuxer AVOptions:
min_delay (int) .D.... minimum valid delay between frames (in hundredths of second) (from 0 to 6000)
default_delay (int) .D.... default delay between frames (in hundredths of second) (from 0 to 6000)
gsm demuxer AVOptions:
sample_rate (int) .D.... (from 1 to 6.50753e+07)
h261 demuxer AVOptions:
framerate (string) .D....
h263 demuxer AVOptions:
framerate (string) .D....
h264 demuxer AVOptions:
framerate (string) .D....
iCE Draw File demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
image2 demuxer AVOptions:
framerate (string) .D.... set the video framerate
loop (int) .D.... force loop over input file sequence (from 0 to 1)
pattern_type (int) .D.... set pattern type (from 0 to INT_MAX)
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 0 to INT_MAX)
start_number_range (int) .D.... set range for looking at the first sequence number (from 1 to INT_MAX)
video_size (string) .D.... set video size
frame_size (int) .D.... force frame size in bytes (from 0 to INT_MAX)
image2pipe demuxer AVOptions:
framerate (string) .D.... set the video framerate
loop (int) .D.... force loop over input file sequence (from 0 to 1)
pattern_type (int) .D.... set pattern type (from 0 to INT_MA(intX)
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 0 to INT_MAX)
start_number_range (int) .D.... set range for looking at the first sequence number (from 1 to INT_MAX)
video_size (string) .D.... set video size
frame_size (int) .D.... force frame size in bytes (from 0 to INT_MAX)
ingenient demuxer AVOptions:
framerate (string) .D....
m4v demuxer AVOptions:
framerate (string) .D....
mjpeg demuxer AVOptions:
framerate (string) .D....
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)
ignore_editlist (int) .D.V.. (from 0 to 1)
mpegtsraw demuxer AVOptions:
compute_pcr (int) .D.... Compute exact PCR for each transport stream packet. (from 0 to 1)
mpegvideo demuxer AVOptions:
framerate (string) .D....
alaw demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
mulaw demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f64be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f64le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f32be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
f32le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s32be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s32le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s24be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s24le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s16be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s16le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
s8 demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u32be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u32le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u24be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u24le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u16be demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u16le demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
u8 demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
channels (int) .D.... (from 0 to INT_MAX)
rawvideo demuxer AVOptions:
video_size (string) .D.... set frame size
pixel_format (string) .D.... set pixel format
framerate (string) .D.... set frame rate
RTP demuxer AVOptions:
rtp_flags (flags) .D.... RTP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
RTSP demuxer AVOptions:
initial_pause (int) .D.... Don't start playing the stream immediately (from 0 to 1)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
rtsp_transport (flags) ED.... RTSP transport protocols
udp ED.... UDP
tcp ED.... TCP
udp_multicast .D.... UDP multicast
http .D.... HTTP tunneling
rtsp_flags (flags) .D.... RTSP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
allowed_media_types (flags) .D.... Media types to accept from the server
video .D.... Video
audio .D.... Audio
data .D.... Data
min_port (int) ED.... Minimum local UDP port (from 0 to 65535)
max_port (int) ED.... Maximum local UDP port (from 0 to 65535)
timeout (int) .D.... Maximum timeout (in seconds) to wait for incoming connections. 1 is infinite. Implies flag listen (from INT_MIN to INT_MAX)
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
sbg_demuxer AVOptions:
sample_rate (int) .D.... (from 0 to INT_MAX)
frame_size (int) .D.... (from 0 to INT_MAX)
max_file_size (int) .D.... (from 0 to INT_MAX)
SDP demuxer AVOptions:
sdp_flags (flags) .D.... SDP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
custom_io .D.... Use custom IO
allowed_media_types (flags) .D.... Media types to accept from the server
video .D.... Video
audio .D.... Audio
data .D.... Data
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
tedcaptions_demuxer AVOptions:
start_time (int64) .D...S set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX)
TTY demuxer AVOptions:
chars_per_frame (int) .D.... (from 1 to INT_MAX)
video_size (string) .D.... A string describing frame size, such as 640x480 or hd720.
framerate (string) .D....
vc1 demuxer AVOptions:
framerate (string) .D....
WAV demuxer AVOptions:
ignore_length (int) .D.... Ignore length (from 0 to 1)
eXtended BINary text (XBIN) demuxer AVOptions:
linespeed (int) .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
video_size (string) .D.... set video size, such as 640x480 or hd720.
framerate (string) .D.... set framerate (frames per second)
AIFF muxer AVOptions:
write_id3v2 (int) E..... Enable ID3 tags writing. (from 0 to 1)
id3v2_version (int) E..... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4)
AST muxer AVOptions:
loopstart (int64) E..... Loopstart position in milliseconds. (from 1 to INT_MAX)
loopend (int64) E..... Loopend position in milliseconds. (from 0 to INT_MAX)
f4v muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
GIF muxer AVOptions:
loop (int) E..... Number of times to loop the output. (from 0 to 65535)
hls muxer AVOptions:
start_number (int64) E..... set first number in the sequence (from 0 to I64_MAX)
hls_time (float) E..... set segment length in seconds (from 0 to FLT_MAX)
hls_list_size (int) E..... set maximum number of playlist entries (from 0 to INT_MAX)
hls_wrap (int) E..... set number after which the index wraps (from 0 to INT_MAX)
image2 muxer AVOptions:
updatefirst (int) E..... update the first image file (from 0 to 1)
start_number (int) E..... set first number in the sequence (from 1 to INT_MAX)
ipod muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
ismv muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
LATM/LOAS muxer AVOptions:
smcinterval (int) E..... StreamMuxConfig interval. (from 1 to 65535)
mov muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
MP3 muxer AVOptions:
id3v2_version (int) E..... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4)
write_id3v1 (int) E..... Enable ID3v1 writing. ID3v1 tags are written in UTF8 which may not be supported by most software. (from 0 to 1)
mp4 muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
mpeg muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
vcd muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
dvd muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
svcd muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
vob muxer AVOptions:
muxrate (int) E..... (from 0 to INT_MAX)
preload (int) E..... Initial demuxdecode delay in microseconds. (from 0 to INT_MAX)
MPEGTS muxer AVOptions:
mpegts_transport_stream_id (int) E..... Set transport_stream_id field. (from 1 to 65535)
mpegts_original_network_id (int) E..... Set original_network_id field. (from 1 to 65535)
mpegts_service_id (int) E..... Set service_id field. (from 1 to 65535)
mpegts_pmt_start_pid (int) E..... Set the first pid of the PMT. (from 16 to 7936)
mpegts_start_pid (int) E..... Set the first pid. (from 256 to 3840)
mpegts_m2ts_mode (int) E..... Enable m2ts mode. (from 1 to 1)
muxrate (int) E..... (from 0 to INT_MAX)
pes_payload_size (int) E..... Minimum PES packet payload in bytes (from 0 to INT_MAX)
mpegts_flags (flags) E..... MPEGTS muxing flags
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)
mpegts_copyts (int) E..... dont offset dts/pts (from 1 to 1)
Ogg muxer AVOptions:
oggpagesize (int) E..... Set preferred Ogg page size. (from 0 to 65025)
pagesize (int) E..... preferred page size in bytes (deprecated) (from 0 to 65025)
page_duration (int) E..... preferred page duration, in microseconds (from 0 to I64_MAX)
psp muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
RTP muxer AVOptions:
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
payload_type (int) E..... Specify RTP payload type (from 1 to 127)
ssrc (int) E..... Stream identifier (from INT_MIN to INT_MAX)
cname (string) E..... CNAME to include in RTCP SR packets
seq (int) E..... Starting sequence number (from 1 to 65535)
RTSP muxer AVOptions:
initial_pause (int) .D.... Don't start playing the stream immediately (from 0 to 1)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
rtsp_transport (flags) ED.... RTSP transport protocols
udp ED.... UDP
tcp ED.... TCP
udp_multicast .D.... UDP multicast
http .D.... HTTP tunneling
rtsp_flags (flags) .D.... RTSP flags
filter_src .D.... Only receive packets from the negotiated peer IP
listen .D.... Wait for incoming connections
allowed_media_types (flags) .D.... Media types to accept from the server
video .D.... Video
audio .D.... Audio
data .D.... Data
min_port (int) ED.... Minimum local UDP port (from 0 to 65535)
max_port (int) ED.... Maximum local UDP port (from 0 to 65535)
timeout (int) .D.... Maximum timeout (in seconds) to wait for incoming connections. 1 is infinite. Implies flag listen (from INT_MIN to INT_MAX)
reorder_queue_size (int) .D.... Number of packets to buffer for handling of reordered packets (from 1 to INT_MAX)
segment muxer AVOptions:
reference_stream (string) E..... set reference stream
segment_format (string) E..... set container format used for the segments
segment_list (string) E..... set the segment list filename
segment_list_flags (flags) E..... set flags affecting segment list generation
cache E..... allow list caching
live E..... enable livefriendly list generation (useful for HLS)
segment_list_size (int) E..... set the maximum number of playlist entries (from 0 to INT_MAX)
segment_list_type (int) E..... set the segment list type (from 1 to 4)
flat E..... flat format
csv E..... csv format
ext E..... extended format
ffconcat E..... ffconcat format
m3u8 E..... M3U8 format
hls E..... Apple HTTP Live Streaming compatible
segment_time (string) E..... set segment duration
segment_time_delta (string) E..... set approximation value used for the segment times
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)
segment_start_number (int) E..... set the sequence number of the first segment (from 0 to INT_MAX)
individual_header_trailer (int) E..... write header/trailer to each segment (from 0 to 1)
write_header_trailer (int) E..... write a header to the first segment and a trailer to the last one (from 0 to 1)
reset_timestamps (int) E..... reset timestamps at the begin of each segment (from 0 to 1)
stream_segment muxer AVOptions:
reference_stream (string) E..... set reference stream
segment_format (string) E..... set container format used for the segments
segment_list (string) E..... set the segment list filename
segment_list_flags (flags) E..... set flags affecting segment list generation
cache E..... allow list caching
live E..... enable livefriendly list generation (useful for HLS)
segment_list_size (int) E..... set the maximum number of playlist entries (from 0 to INT_MAX)
segment_list_type (int) E..... set the segment list type (from 1 to 4)
flat E..... flat format
csv E..... csv format
ext E..... extended format
ffconcat E..... ffconcat format
m3u8 E..... M3U8 format
hls E..... Apple HTTP Live Streaming compatible
segment_time (string) E..... set segment duration
segment_time_delta (string) E..... set approximation value used for the segment times
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)
segment_start_number (int) E..... set the sequence number of the first segment (from 0 to INT_MAX)
individual_header_trailer (int) E..... write header/trailer to each segment (from 0 to 1)
write_header_trailer (int) E..... write a header to the first segment and a trailer to the last one (from 0 to 1)
reset_timestamps (int) E..... reset timestamps at the begin of each segment (from 0 to 1)
smooth streaming muxer AVOptions:
window_size (int) E..... number of fragments kept in the manifest (from 0 to INT_MAX)
extra_window_size (int) E..... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX)
lookahead_count (int) E..... number of lookahead fragments (from 0 to INT_MAX)
min_frag_duration (int64) E..... minimum fragment duration (in microseconds) (from 0 to INT_MAX)
remove_at_exit (int) E..... remove all fragments when finished (from 0 to 1)
spdif AVOptions:
spdif_flags (flags) E..... IEC 61937 encapsulation flags
be E..... output in bigendian 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)
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)
tg2 muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
tgp muxer AVOptions:
movflags (flags) E..... MOV muxer flags
rtphint E..... Add RTP hint tracks
empty_moov E..... Make the initial moov atom empty (not supported by QuickTime)
frag_keyframe E..... Fragment at video keyframes
separate_moof E..... Write separate moof/mdat atoms for each track
frag_custom E..... Flush fragments on caller requests
isml E..... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E..... Run a second pass to put the moov at the beginning of the file
moov_size (int) E..... maximum moov size so it can be placed at the begin (from 0 to INT_MAX)
rtpflags (flags) E..... RTP muxer flags
latm E..... Use MP4ALATM packetization instead of MPEG4GENERIC 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
skip_iods (int) E..... Skip writing iods atom. (from 0 to 1)
iods_audio_profile (int) E..... iods audio profile atom. (from 1 to 255)
iods_video_profile (int) E..... iods video profile atom. (from 1 to 255)
frag_duration (int) E..... Maximum fragment duration (from 0 to INT_MAX)
min_frag_duration (int) E..... Minimum fragment duration (from 0 to INT_MAX)
frag_size (int) E..... Maximum fragment size (from 0 to INT_MAX)
ism_lookahead (int) E..... Number of lookahead entries for ISM files (from 0 to INT_MAX)
use_editlist (int) E..... use edit list (from 1 to 1)
WAV muxer AVOptions:
write_bext (int) E..... Write BEXT chunk. (from 0 to 1)
rf64 (int) E..... Use RF64 header rather than RIFF for large files. (from 1 to 1)
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.
SWScaler AVOptions:
sws_flags (flags) E..V.. scaler flags
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)
srch (int) E..V.. source height (from 1 to INT_MAX)
dstw (int) E..V.. destination width (from 1 to INT_MAX)
dsth (int) E..V.. destination height (from 1 to INT_MAX)
src_format (int) E..V.. source format (from 0 to 316)
dst_format (int) E..V.. destination format (from 0 to 316)
src_range (int) E..V.. source range (from 0 to 1)
dst_range (int) E..V.. destination range (from 0 to 1)
param0 (ｄouble) E..V.. scaler param 0 (from INT_MIN to INT_MAX)
param1 (ｄouble) E..V.. scaler param 1 (from INT_MIN to INT_MAX)
SWResampler AVOptions:
ich (int) ....A. set input channel count (from 0 to 32)
in_channel_count (int) ....A. set input channel count (from 0 to 32)
och (int) ....A. set output channel count (from 0 to 32)
out_channel_count (int) ....A. set output channel count (from 0 to 32)
uch (int) ....A. set used channel count (from 0 to 32)
used_channel_count (int) ....A. set used channel count (from 0 to 32)
isr (int) ....A. set input sample rate (from 0 to INT_MAX)
in_sample_rate (int) ....A. set input sample rate (from 0 to INT_MAX)
osr (int) ....A. set output sample rate (from 0 to INT_MAX)
out_sample_rate (int) ....A. set output sample rate (from 0 to INT_MAX)
isf (sample_fmt) ....A. set input sample format
in_sample_fmt (sample_fmt) ....A. set input sample format
osf (sample_fmt) ....A. set output sample format
out_sample_fmt (sample_fmt) ....A. set output sample format
tsf (sample_fmt) ....A. set internal sample format
internal_sample_fmt (sample_fmt) ....A. set internal sample format
icl (int64) ....A. set input channel layout (from 0 to I64_MAX)
in_channel_layout (int64) ....A. set input channel layout (from 0 to I64_MAX)
ocl (int64) ....A. set output channel layout (from 0 to I64_MAX)
out_channel_layout (int64) ....A. set output channel layout (from 0 to I64_MAX)
clev (float) ....A. set center mix level (from 32 to 32)
center_mix_level (float) ....A. set center mix level (from 32 to 32)
slev (float) ....A. set surround mix level (from 32 to 32)
surround_mix_level (float) ....A. set surround mix Level (from 32 to 32)
lfe_mix_level (float) ....A. set LFE mix level (from 32 to 32)
rmvol (float) ....A. set rematrix volume (from 1000 to 1000)
rematrix_volume (float) ....A. set rematrix volume (from 1000 to 1000)
flags (flags) ....A. set flags
res ....A. force resampling
swr_flags (flags) ....A. set flags
res ....A. force resampling
dither_scale (float) ....A. set dither scale (from 0 to INT_MAX)
dither_method (int) ....A. set dither method (from 0 to 71)
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 fweighted noise shaping dither
modified_e_weighted ....A. select modifiedeweighted noise shaping dither
improved_e_weighted ....A. select improvedeweighted noise shaping dither
filter_size (int) ....A. set swr resampling filter size (from 0 to INT_MAX)
phase_shift (int) ....A. set swr resampling phase shift (from 0 to 24)
linear_interp (int) ....A. enable linear interpolation (from 0 to 1)
cutoff (ｄouble) ....A. set cutoff frequency ratio (from 0 to 1)
resample_cutoff (ｄouble) ....A. set cutoff frequency ratio (from 0 to 1)
resampler (int) ....A. set resampling Engine (from 0 to 1)
swr ....A. select SW Resampler
soxr ....A. select SoX Resampler
precision (ｄouble) ....A. set soxr resampling precision (in bits) (from 15 to 33)
cheby (int) ....A. enable soxr Chebyshev passband & higherprecision irrational ratio approximation (from 0 to 1)
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)
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)
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)
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)
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)
first_pts (int64) ....A. Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX)
matrix_encoding (int) ....A. set matrixed stereo encoding (from 0 to 2)
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)
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)
afade AVOptions:
type (int) ..F.A. set the fade direction (from 0 to 1)
in ..F.A.
out ..F.A.
t (int) ..F.A. set the fade direction (from 0 to 1)
in ..F.A.
out ..F.A.
start_sample (int64) ..F.A. set expression of sample to start fading (from 0 to I64_MAX)
ss (int64) ..F.A. set expression of sample to start fading (from 0 to I64_MAX)
nb_samples (int) ..F.A. set expression for fade duration in samples (from 1 to INT_MAX)
ns (int) ..F.A. set expression for fade duration in samples (from 1 to INT_MAX)
start_time (ｄouble) ..F.A. set expression of second to start fading (from 0 to 604800)
st (ｄouble) ..F.A. set expression of second to start fading (from 0 to 604800)
duration (ｄouble) ..F.A. set expression for fade duration in seconds (from 0 to 86400)
d (ｄouble) ..F.A. set expression for fade duration in seconds (from 0 to 86400)
curve (int) ..F.A. set expression for fade curve (from 0 to 9)
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 expression for fade curve (from 0 to 9)
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 commaseparated list of sample formats.
sample_rates (string) ..F.A. A commaseparated list of sample rates.
channel_layouts (string) ..F.A. A commaseparated list of channel layouts.
allpass AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set filterwidth (from 0 to 99999)
w (ｄouble) ..F.A. set filterwidth (from 0 to 99999)
amerge AVOptions:
inputs (int) ..F.A. specify the number of inputs (from 2 to 32)
amix AVOptions:
inputs (int) ..F.A. Number of inputs. (from 1 to 32)
duration (int) ..F.A. How to determine the endofstream. (from 0 to 2)
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)
apad AVOptions:
packet_size (int) ..F.A. set silence packet size (from 0 to INT_MAX)
pad_len (int64) ..F.A. number of samples of silence to add (from 0 to I64_MAX)
whole_len (int64) ..F.A. target number of samples in the audio stream (from 0 to I64_MAX)
aselect AVOptions:
expr (string) ..F... set selection expression
e (string) ..F... set selection expression
asendcmd AVOptions:
commands (string) ..F... set commands
c (string) ..F... set commands
filename (string) ..F... set commands file
f (string) ..F... set commands file
asetnsamples AVOptions:
pad (int) ..F.A. pad last frame with zeros (from 0 to 1)
p (int) ..F.A. pad last frame with zeros (from 0 to 1)
nb_out_samples (int) ..F.A. set the number of perframe output samples (from 1 to INT_MAX)
n (int) ..F.A. set the number of perframe output samples (from 1 to INT_MAX)
bandpass AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set bandwidth (from 0 to 999)
w (ｄouble) ..F.A. set bandwidth (from 0 to 999)
csg (int) ..F.A. use constant skirt gain (from 0 to 1)
bandreject AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set bandwidth (from 0 to 999)
w (ｄouble) ..F.A. set bandwidth (from 0 to 999)
bass AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
w (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
gain (ｄouble) ..F.A. set gain (from 900 to 900)
g (ｄouble) ..F.A. set gain (from 900 to 900)
biquad AVOptions:
a0 (ｄouble) ..F.A. (from 32767 to 32767)
a1 (ｄouble) ..F.A. (from 32767 to 32767)
a2 (ｄouble) ..F.A. (from 32767 to 32767)
b0 (ｄouble) ..F.A. (from 32767 to 32767)
b1 (ｄouble) ..F.A. (from 32767 to 32767)
b2 (ｄouble) ..F.A. (from 32767 to 32767)
channel map filter AVOptions:
map (string) ..F.A. A commaseparated 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.
ebur128 AVOptions:
video (int) ..FV.. set video output (from 0 to 1)
size (image_size) ..FV.. set video size
meter (int) ..FV.. set scale meter (+9 to +18) (from 9 to 18)
equalizer AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set bandwidth (from 0 to 999)
w (ｄouble) ..F.A. set bandwidth (from 0 to 999)
gain (ｄouble) ..F.A. set gain (from 900 to 900)
g (ｄouble) ..F.A. set gain (from 900 to 900)
highpass AVOptions:
frequency (ｄouble) ..F.A. set frequency (from 0 to 999999)
f (ｄouble) ..F.A. set frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set width (from 0 to 99999)
w (ｄouble) ..F.A. set width (from 0 to 99999)
poles (int) ..F.A. set number of poles (from 1 to 2)
p (int) ..F.A. set number of poles (from 1 to 2)
join filter AVOptions:
inputs (int) ..F.A. Number of input streams. (from 1 to INT_MAX)
channel_layout (string) ..F.A. Channel layout of the output stream.
map (string) ..F.A. A commaseparated list of channels maps in the format 'input_stream.input_channeloutput_channel.
lowpass AVOptions:
frequency (ｄouble) ..F.A. set frequency (from 0 to 999999)
f (ｄouble) ..F.A. set frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set width (from 0 to 99999)
w (ｄouble) ..F.A. set width (from 0 to 99999)
poles (int) ..F.A. set number of poles (from 1 to 2)
p (int) ..F.A. set number of poles (from 1 to 2)
silencedetect AVOptions:
n (ｄouble) ..F.A. set noise tolerance (from 0 to 1.79769e+308)
noise (ｄouble) ..F.A. set noise tolerance (from 0 to 1.79769e+308)
d (ｄouble) ..F.A. set minimum duration in seconds (from 0 to 86400)
duration (ｄouble) ..F.A. set minimum duration in seconds (from 0 to 86400)
treble AVOptions:
frequency (ｄouble) ..F.A. set central frequency (from 0 to 999999)
f (ｄouble) ..F.A. set central frequency (from 0 to 999999)
width_type (int) ..F.A. set filterwidth type (from 1 to 4)
h ..F.A. Hz
q ..F.A. QFactor
o ..F.A. octave
s ..F.A. slope
width (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
w (ｄouble) ..F.A. set shelf transition steep (from 0 to 99999)
gain (ｄouble) ..F.A. set gain (from 900 to 900)
g (ｄouble) ..F.A. set gain (from 900 to 900)
volume AVOptions:
volume (ｄouble) ..F.A. set volume adjustment (from 0 to 8.38861e+06)
precision (int) ..F.A. select mathematical precision (from 0 to 2)
fixed ..F.A. select 8bit fixedpoint
float ..F.A. select 32bit floatingpoint
ｄouble ..F.A. select 64bit floatingpoint
aevalsrc AVOptions:
nb_samples (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
n (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
sample_rate (string) ..F.A. set the sample rate
s (string) ..F.A. set the sample rate
duration (string) ..F.A. set audio duration
d (string) ..F.A. set audio duration
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
cl (string) ..F.A. set channel_layout
sample_rate (string) ..F.A. set sample rate
r (string) ..F.A. set sample rate
nb_samples (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
n (int) ..F.A. set the number of samples per requested frame (from 0 to INT_MAX)
ass AVOptions:
filename (string) ..FV.. set the filename of file to read
f (string) ..FV.. set the filename of file to read
original_size (image_size) ..FV.. set the size of the original video (used to scale fonts)
blackdetect AVOptions:
d (ｄouble) ..FV.. set minimum detected black duration in seconds (from 0 to 1.79769e+308)
black_min_duration (ｄouble) ..FV.. set minimum detected black duration in seconds (from 0 to 1.79769e+308)
picture_black_ratio_th (ｄouble) ..FV.. set the picture black ratio threshold (from 0 to 1)
pic_th (ｄouble) ..FV.. set the picture black ratio threshold (from 0 to 1)
pixel_black_th (ｄouble) ..FV.. set the pixel black threshold (from 0 to 1)
pix_th (ｄouble) ..FV.. set the pixel black threshold (from 0 to 1)
blend AVOptions:
c0_mode (int) ..FV.. set component #0 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c1_mode (int) ..FV.. set component #1 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c2_mode (int) ..FV.. set component #2 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c3_mode (int) ..FV.. set component #3 blend mode (from 0 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
all_mode (int) ..FV.. set blend mode for all components (from 1 to 23)
addition ..FV..
and ..FV..
average ..FV..
burn ..FV..
darken ..FV..
difference ..FV..
divide ..FV..
dodge ..FV..
exclusion ..FV..
hardlight ..FV..
lighten ..FV..
multiply ..FV..
negation ..FV..
normal ..FV..
or ..FV..
overlay ..FV..
phoenix ..FV..
pinlight ..FV..
reflect ..FV..
screen ..FV..
softlight ..FV..
subtract ..FV..
vividlight ..FV..
xor ..FV..
c0_expr (string) ..FV.. set color component #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)
c1_opacity (ｄouble) ..FV.. set color component #1 opacity (from 0 to 1)
c2_opacity (ｄouble) ..FV.. set color component #2 opacity (from 0 to 1)
c3_opacity (ｄouble) ..FV.. set color component #3 opacity (from 0 to 1)
all_opacity (ｄouble) ..FV.. set opacity for all color components (from 0 to 1)
boxblur AVOptions:
luma_radius (string) ..FV.. set luma radius
lr (string) ..FV.. set luma radius
luma_power (int) ..FV.. set luma power (from 0 to INT_MAX)
lp (int) ..FV.. set luma power (from 0 to INT_MAX)
chroma_radius (string) ..FV.. set chroma radius
cr (string) ..FV.. set chroma radius
chroma_power (int) ..FV.. set chroma power (from 1 to INT_MAX)
cp (int) ..FV.. set chroma power (from 1 to INT_MAX)
alpha_radius (string) ..FV.. set alpha radius
ar (string) ..FV.. set alpha radius
alpha_power (int) ..FV.. set alpha power (from 1 to INT_MAX)
ap (int) ..FV.. set alpha power (from 1 to INT_MAX)
crop AVOptions:
x (string) ..FV.. set the x crop area expression
y (string) ..FV.. set the y crop area expression
out_w (string) ..FV.. set the width crop area expression
w (string) ..FV.. set the width crop area expression
out_h (string) ..FV.. set the height crop area expression
h (string) ..FV.. set the height crop area expression
keep_aspect (int) ..FV.. keep aspect ratio (from 0 to 1)
decimate 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)
hi (int) ..FV.. set high dropping threshold (from INT_MIN to INT_MAX)
lo (int) ..FV.. set low dropping threshold (from INT_MIN to INT_MAX)
frac (float) ..FV.. set fraction dropping threshold (from 0 to 1)
delogo AVOptions:
x (int) ..FV.. set logo x position (from 1 to INT_MAX)
y (int) ..FV.. set logo y position (from 1 to INT_MAX)
w (int) ..FV.. set logo width (from 1 to INT_MAX)
h (int) ..FV.. set logo height (from 1 to INT_MAX)
band (int) ..FV.. set delogo area band size (from 1 to INT_MAX)
t (int) ..FV.. set delogo area band size (from 1 to INT_MAX)
show (int) ..FV.. show delogo area (from 0 to 1)
deshake AVOptions:
x (int) ..FV.. set x for the rectangular search area (from 1 to INT_MAX)
y (int) ..FV.. set y for the rectangular search area (from 1 to INT_MAX)
w (int) ..FV.. set width for the rectangular search area (from 1 to INT_MAX)
h (int) ..FV.. set height for the rectangular search area (from 1 to INT_MAX)
rx (int) ..FV.. set x for the rectangular search area (from 0 to 64)
ry (int) ..FV.. set y for the rectangular search area (from 0 to 64)
edge (int) ..FV.. set edge mode (from 0 to 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)
contrast (int) ..FV.. set contrast threshold for blocks (from 1 to 255)
search (int) ..FV.. set search strategy (from 0 to 1)
exhaustive ..FV.. exhaustive search
less ..FV.. less exhaustive search
filename (string) ..FV.. set motion search detailed log file name
drawbox AVOptions:
x (int) ..FV.. set the box topleft corner x position (from INT_MIN to INT_MAX)
y (int) ..FV.. set the box topleft corner y position (from INT_MIN to INT_MAX)
width (int) ..FV.. set the box width (from 0 to INT_MAX)
w (int) ..FV.. set the box width (from 0 to INT_MAX)
height (int) ..FV.. set the box height (from 0 to INT_MAX)
h (int) ..FV.. set the box height (from 0 to INT_MAX)
color (string) ..FV.. set the box edge color
c (string) ..FV.. set the box edge color
thickness (int) ..FV.. set the box maximum thickness (from 0 to INT_MAX)
t (int) ..FV.. set the box maximum thickness (from 0 to INT_MAX)
drawtext AVOptions:
fontfile (string) ..FV.. set font file
text (string) ..FV.. set text
textfile (string) ..FV.. set text file
fontcolor (string) ..FV.. set foreground color
boxcolor (string) ..FV.. set box color
shadowcolor (string) ..FV.. set shadow color
box (int) ..FV.. set box (from 0 to 1)
fontsize (int) ..FV.. set font size (from 0 to INT_MAX)
x (string) ..FV.. set x expression
y (string) ..FV.. set y expression
shadowx (int) ..FV.. set x (from INT_MIN to INT_MAX)
shadowy (int) ..FV.. set y (from INT_MIN to INT_MAX)
tabsize (int) ..FV.. set tab size (from 0 to INT_MAX)
basetime (int64) ..FV.. set base time (from I64_MIN to I64_MAX)
draw (string) ..FV.. if false do not draw
expansion (int) ..FV.. set the expansion mode (from 0 to 2)
none ..FV.. set no expansion
normal ..FV.. set normal expansion
strftime ..FV.. set strftime expansion (deprecated)
timecode (string) ..FV.. set initial timecode
tc24hmax (int) ..FV.. set 24 hours max (timecode only) (from 0 to 1)
timecode_rate (rational) ..FV.. set rate (timecode only) (from 0 to INT_MAX)
r (rational) ..FV.. set rate (timecode only) (from 0 to INT_MAX)
rate (rational) ..FV.. set rate (timecode only) (from 0 to INT_MAX)
reload (int) ..FV.. reload text file for each frame (from 0 to 1)
fix_bounds (int) ..FV.. if true, check and fix text coords to avoid clipping (from 0 to 1)
ft_load_flags (flags) ..FV.. set font loading flags for libfreetype
default ..FV.. set default
no_scale ..FV.. set no_scale
no_hinting ..FV.. set no_hinting
render ..FV.. set render
no_bitmap ..FV.. set no_bitmap
vertical_layout ..FV.. set vertical_layout
force_autohint ..FV.. set force_autohint
crop_bitmap ..FV.. set crop_bitmap
pedantic ..FV.. set pedantic
ignore_global_advance_width ..FV.. set ignore_global_advance_width
no_recurse ..FV.. set no_recurse
ignore_transform ..FV.. set ignore_transform
monochrome ..FV.. set monochrome
linear_design ..FV.. set linear_design
no_autohint ..FV.. set no_autohint
edgedetect AVOptions:
high (ｄouble) ..FV.. set high threshold (from 0 to 1)
low (ｄouble) ..FV.. set low threshold (from 0 to 1)
fade AVOptions:
type (string) ..FV.. set the fade direction
t (string) ..FV.. set the fade direction
start_frame (int) ..FV.. set expression of frame to start fading (from 0 to INT_MAX)
s (int) ..FV.. set expression of frame to start fading (from 0 to INT_MAX)
nb_frames (int) ..FV.. set expression for fade duration in frames (from 0 to INT_MAX)
n (int) ..FV.. set expression for fade duration in frames (from 0 to INT_MAX)
alpha (int) ..FV.. fade alpha if it is available on the input (from 0 to 1)
field AVOptions:
type (int) ..FV.. set field type (top or bottom) (from 0 to 1)
top ..FV.. select top field
bottom ..FV.. select bottom field
fps AVOptions:
fps (string) ..FV.. A string describing desired output framerate
round (int) ..FV.. set rounding method for timestamps (from 0 to 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
geq AVOptions:
lum_expr (string) ..FV.. set luminance expression
cb_expr (string) ..FV.. set chroma blue expression
cr_expr (string) ..FV.. set chroma red expression
alpha_expr (string) ..FV.. set alpha expression
gradfun AVOptions:
strength (ｄouble) ..FV.. set the maximum amount by which the filter will change any one pixel (from 0.51 to 64)
radius (int) ..FV.. set the neighborhood to fit the gradient to (from 4 to 32)
histeq AVOptions:
strength (float) ..FV.. set the strength (from 0 to 1)
intensity (float) ..FV.. set the intensity (from 0 to 1)
antibanding (int) ..FV.. set the antibanding level (from 0 to 2)
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)
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)
scale_height (int) ..FV.. set scale height (from 0 to 40)
step (int) ..FV.. set waveform step value (from 1 to 255)
waveform_mode (int) ..FV.. set waveform mode (from 0 to 1)
row ..FV..
column ..FV..
display_mode (int) ..FV.. set display mode (from 0 to 1)
parade ..FV..
overlay ..FV..
hue AVOptions:
h (string) ..FV.. set the hue angle degrees expression
H (string) ..FV.. set the hue angle radians expression
s (string) ..FV.. set the saturation expression
idet AVOptions:
intl_thres (float) ..FV.. set interlacing threshold (from 1 to FLT_MAX)
prog_thres (float) ..FV.. set progressive threshold (from 1 to FLT_MAX)
il AVOptions:
luma_mode (int) ..FV.. select luma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
l (int) ..FV.. select luma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
chroma_mode (int) ..FV.. select chroma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
c (int) ..FV.. select chroma mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
alpha_mode (int) ..FV.. select alpha mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
a (int) ..FV.. select alpha mode (from 0 to 2)
none ..FV..
interleave ..FV..
i ..FV..
deinterleave ..FV..
d ..FV..
luma_swap (int) ..FV.. swap luma fields (from 0 to 1)
ls (int) ..FV.. swap luma fields (from 0 to 1)
chroma_swap (int) ..FV.. swap chroma fields (from 0 to 1)
cs (int) ..FV.. swap chroma fields (from 0 to 1)
alpha_swap (int) ..FV.. swap alpha fields (from 0 to 1)
as (int) ..FV.. swap alpha fields (from 0 to 1)
kerndeint AVOptions:
thresh (int) ..FV.. set the threshold (from 0 to 255)
map (int) ..FV.. set the map (from 0 to 1)
order (int) ..FV.. set the order (from 0 to 1)
sharp (int) ..FV.. enable sharpening (from 0 to 1)
twoway (int) ..FV.. enable twoway (from 0 to 1)
lut AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
lutrgb AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
lutyuv AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
negate AVOptions:
c0 (string) ..FV.. set component #0 expression
c1 (string) ..FV.. set component #1 expression
c2 (string) ..FV.. set component #2 expression
c3 (string) ..FV.. set component #3 expression
y (string) ..FV.. set Y expression
u (string) ..FV.. set U expression
v (string) ..FV.. set V expression
r (string) ..FV.. set R expression
g (string) ..FV.. set G expression
b (string) ..FV.. set B expression
a (string) ..FV.. set A expression
noise AVOptions:
all_seed (int) ..FV.. set component #0 noise seed (from 1 to INT_MAX)
all_strength (int) ..FV.. set component #0 strength (from 0 to 100)
alls (int) ..FV.. set component #0 strength (from 0 to 100)
all_flags (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
allf (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c0_seed (int) ..FV.. set component #0 noise seed (from 1 to INT_MAX)
c0_strength (int) ..FV.. set component #0 strength (from 0 to 100)
c0s (int) ..FV.. set component #0 strength (from 0 to 100)
c0_flags (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c0f (flags) ..FV.. set component #0 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c1_seed (int) ..FV.. set component #1 noise seed (from 1 to INT_MAX)
c1_strength (int) ..FV.. set component #1 strength (from 0 to 100)
c1s (int) ..FV.. set component #1 strength (from 0 to 100)
c1_flags (flags) ..FV.. set component #1 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c1f (flags) ..FV.. set component #1 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c2_seed (int) ..FV.. set component #2 noise seed (from 1 to INT_MAX)
c2_strength (int) ..FV.. set component #2 strength (from 0 to 100)
c2s (int) ..FV.. set component #2 strength (from 0 to 100)
c2_flags (flags) ..FV.. set component #2 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c2f (flags) ..FV.. set component #2 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c3_seed (int) ..FV.. set component #3 noise seed (from 1 to INT_MAX)
c3_strength (int) ..FV.. set component #3 strength (from 0 to 100)
c3s (int) ..FV.. set component #3 strength (from 0 to 100)
c3_flags (flags) ..FV.. set component #3 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
c3f (flags) ..FV.. set component #3 flags
a ..FV.. averaged noise
p ..FV.. (semi)regular pattern
q ..FV.. high quality
t ..FV.. temporal noise
u ..FV.. uniform noise
overlay AVOptions:
x (string) ..FV.. set the x expression
y (string) ..FV.. set the y expression
rgb (int) ..FV.. force packed RGB in input and output (deprecated) (from 0 to 1)
shortest (int) ..FV.. force termination when the shortest input terminates (from 0 to 1)
format (int) ..FV.. set output format (from 0 to 2)
yuv420 ..FV..
yuv444 ..FV..
rgb ..FV..
pad AVOptions:
width (string) ..FV.. set the pad area width expression
w (string) ..FV.. set the pad area width expression
height (string) ..FV.. set the pad area height expression
h (string) ..FV.. set the pad area height expression
x (string) ..FV.. set the x offset expression for the input image position
y (string) ..FV.. set the y offset expression for the input image position
color (string) ..FV.. set the color of the padded area border
scale AVOptions:
w (string) ..FV.. set width expression
width (string) ..FV.. set width expression
h (string) ..FV.. set height expression
height (string) ..FV.. set height expression
flags (string) ..FV.. set libswscale flags
interl (int) ..FV.. set interlacing (from 1 to 1)
select AVOptions:
expr (string) ..F... set selection expression
e (string) ..F... set selection expression
sendcmd AVOptions:
commands (string) ..F... set commands
c (string) ..F... set commands
filename (string) ..F... set commands file
f (string) ..F... set commands file
setdar AVOptions:
max (int) ..FV.. set max value for nominator or denominator in the ratio (from 1 to INT_MAX)
ratio (string) ..FV.. set ratio
r (string) ..FV.. set ratio
setfield AVOptions:
mode (int) ..FV.. select interlace mode (from 1 to 2)
auto ..FV.. keep the same input field
bff ..FV.. mark as bottomfieldfirst
tff ..FV.. mark as topfieldfirst
prog ..FV.. mark as progressive
setsar AVOptions:
max (int) ..FV.. set max value for nominator or denominator in the ratio (from 1 to INT_MAX)
ratio (string) ..FV.. set ratio
r (string) ..FV.. set ratio
stereo3d AVOptions:
in (int) ..FV.. set input format (from 18 to 25)
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
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 25)
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
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
subtitles AVOptions:
filename (string) ..FV.. set the filename of file to read
f (string) ..FV.. set the filename of file to read
original_size (image_size) ..FV.. set the size of the original video (used to scale fonts)
charenc (string) ..FV.. set input character encoding
tile AVOptions:
layout (image_size) ..FV.. set grid size
margin (int) ..FV.. set outer border margin in pixels (from 0 to 1024)
padding (int) ..FV.. set inner border thickness in pixels (from 0 to 1024)
nb_frames (int) ..FV.. set maximum number of frame to render (from 0 to INT_MAX)
tinterlace AVOptions:
mode (int) ..FV.. select interlace mode (from 0 to 6)
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)
passthrough (int) ..FV.. do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX)
none ..FV.. always apply transposition
portrait ..FV.. preserve portrait geometry
landscape ..FV.. preserve landscape geometry
unsharp AVOptions:
yadif AVOptions:
mode (int) ..FV.. specify the interlacing mode (from 0 to 3)
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)
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)
all ..FV.. deinterlace all frames
interlaced ..FV.. only deinterlace frames marked as interlaced
cellauto AVOptions:
filename (string) ..FV.. read initial pattern from file
f (string) ..FV.. read initial pattern from file
pattern (string) ..FV.. set initial pattern
p (string) ..FV.. set initial pattern
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rule (int) ..FV.. set rule (from 0 to 255)
random_fill_ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
random_seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
scroll (int) ..FV.. scroll pattern downward (from 0 to 1)
start_full (int) ..FV.. start filling the whole video (from 0 to 1)
full (int) ..FV.. start filling the whole video (from 0 to 1)
stitch (int) ..FV.. stitch boundaries (from 0 to 1)
color AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
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 (string) ..FV.. set video rate
r (string) ..FV.. set video rate
rule (string) ..FV.. set rule
random_fill_ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
ratio (ｄouble) ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
random_seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
seed (int) ..FV.. set the seed for filling the initial grid randomly (from 1 to 4.29497e+09)
stitch (int) ..FV.. stitch boundaries (from 0 to 1)
mold (int) ..FV.. set mold speed for dead cells (from 0 to 255)
life_color (string) ..FV.. set life color
death_color (string) ..FV.. set death color
mold_color (string) ..FV.. set mold color
mandelbrot AVOptions:
size (image_size) ..FV.. set frame size
s (image_size) ..FV.. set frame size
rate (string) ..FV.. set frame rate
r (string) ..FV.. set frame rate
maxiter (int) ..FV.. set max iterations number (from 1 to INT_MAX)
start_x (ｄouble) ..FV.. set the initial x position (from 100 to 100)
start_y (ｄouble) ..FV.. set the initial y position (from 100 to 100)
start_scale (ｄouble) ..FV.. set the initial scale value (from 0 to FLT_MAX)
end_scale (ｄouble) ..FV.. set the terminal scale value (from 0 to FLT_MAX)
end_pts (ｄouble) ..FV.. set the terminal pts value (from 0 to I64_MAX)
bailout (ｄouble) ..FV.. set the bailout value (from 0 to FLT_MAX)
outer (int) ..FV.. set outer coloring mode (from 0 to INT_MAX)
iteration_count ..FV.. set iteration count mode
normalized_iteration_count ..FV.. set normalized iteration count mode
inner (int) ..FV.. set inner coloring mode (from 0 to INT_MAX)
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 (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
test (int) ..FV.. set test to perform (from 0 to INT_MAX)
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)
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
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
rgbtestsrc AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
smptebars AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
testsrc AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
duration (string) ..FV.. set video duration
d (string) ..FV.. set video duration
sar (rational) ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
color (string) ..FV.. set color
c (string) ..FV.. set color
decimals (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
n (int) ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
concat AVOptions:
n (int) ..FVA. specify the number of segments (from 2 to INT_MAX)
v (int) ..FV.. specify the number of video streams (from 0 to INT_MAX)
a (int) ..F.A. specify the number of audio streams (from 0 to INT_MAX)
unsafe (int) ..F.A. enable unsafe mode (from 0 to INT_MAX)
showspectrum AVOptions:
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
slide (int) ..FV.. set sliding mode (from 0 to 1)
mode (int) ..FV.. set channel display mode (from 0 to 1)
combined ..FV.. combined mode
separate ..FV.. separate mode
color (int) ..FV.. set channel coloring (from 0 to 1)
channel ..FV.. separate color for each channel
intensity ..FV.. intensity based coloring
scale (int) ..FV.. set display scale (from 0 to 3)
sqrt ..FV.. square root
cbrt ..FV.. cubic root
log ..FV.. logarithmic
lin ..FV.. linear
saturation (float) ..FV.. color saturation multiplier (from 10 to 10)
showwaves AVOptions:
rate (string) ..FV.. set video rate
r (string) ..FV.. set video rate
size (image_size) ..FV.. set video size
s (image_size) ..FV.. set video size
n (int) ..FV.. set how many samples to show in the same point (from 0 to INT_MAX)
mode (int) ..FV.. select display mode (from 0 to 1)
point ..FV.. draw a point for each sample
line ..FV.. draw a line for each sample
amovie AVOptions:
format_name (string) ..F... set format name
f (string) ..F... set format name
streams (string) ..F... set streams
s (string) ..F... set streams
si (int) ..F... set stream index (from 1 to INT_MAX)
stream_index (int) ..F... set stream index (from 1 to INT_MAX)
seek_point (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
sp (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
loop (int) ..F... set loop count (from 0 to INT_MAX)
movie AVOptions:
format_name (string) ..F... set format name
f (string) ..F... set format name
streams (string) ..F... set streams
s (string) ..F... set streams
si (int) ..F... set stream index (from 1 to INT_MAX)
stream_index (int) ..F... set stream index (from 1 to INT_MAX)
seek_point (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
sp (ｄouble) ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
loop (int) ..F... set loop count (from 0 to INT_MAX)
abuffer AVOptions:
time_base (rational) ..F.A. (from 0 to INT_MAX)
sample_rate (int) ..F.A. (from 0 to INT_MAX)
sample_fmt (string) ..F.A.
channels (int) ..F.A. (from 0 to INT_MAX)
channel_layout (string) ..F.A.
buffer AVOptions:
time_base (rational) ..FV.. (from 0 to INT_MAX)
frame_rate (rational) ..FV.. (from 0 to INT_MAX)
video_size (image_size) ..FV..
pix_fmt (pix_fmt) ..FV..
pixel_aspect (rational) ..FV.. (from 0 to INT_MAX)
sws_param (string) ..FV..
MacBookPro:~ tom$ /Applications/動画編集/ffmpeg1.2.7/ffmpeg formats
ffmpeg version 1.2tessus Copyright (c) 20002013 the FFmpeg developers
built on Mar 15 2013 01:18:55 with llvmgcc 4.2.1 (LLVM build 2336.1.00)
configuration: prefix=/Users/tessus/data/ext/ffmpeg/sw as=yasm extraversion=tessus disableshared enablestatic disableffplay enablegpl enablepthreads enablepostproc enablelibmp3lame enablelibtheora enablelibvorbis enablelibx264 enablelibxvid enablelibspeex enablebzlib enablezlib enablelibopencoreamrnb enablelibopencoreamrwb enablelibxavs enableversion3 enablelibvoaacenc enablelibvoamrwbenc enablelibvpx enablelibgsm enablelibopus enablefontconfig enablelibfreetype enablelibass enablefilters enableruntimecpudetect
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
File formats:
D. = Demuxing supported
.E = Muxing supported

E 3g2 3GP2 (3GPP2 file format)
E 3gp 3GP (3GPP file format)
D 4xm 4X Technologies
E a64 a64  video for Commodore 64
D aac raw ADTS AAC (Advanced Audio Coding)
DE ac3 raw AC3
D act ACT Voice file format
D adf Artworx Data Format
E adts ADTS AAC (Advanced Audio Coding)
DE adx CRI ADX
D aea MD STUDIO audio
D afc AFC
DE aiff Audio IFF
DE alaw PCM Alaw
DE amr 3GPP AMR
D anm Deluxe Paint Animation
D apc CRYO APC
D ape Monkey's Audio
D aqtitle AQTitle subtitles
DE asf ASF (Advanced / Active Streaming Format)
E asf_stream ASF (Advanced / Active Streaming Format)
DE ass SSA (SubStation Alpha) subtitle
DE ast AST (Audio Stream)
DE au Sun AU
DE avi AVI (Audio Video Interleaved)
E avm2 SWF (ShockWave Flash) (AVM2)
D avr AVR (Audio Visual Research)
D avs AVS
D bethsoftvid Bethesda Softworks VID
D bfi Brute Force & Ignorance
D bin Binary text
D bink Bink
DE bit G.729 BIT file format
D bmv Discworld II BMV
D brstm BRSTM (Binary Revolution Stream)
D c93 Interplay C93
DE caf Apple CAF (Core Audio Format)
DE cavsvideo raw Chinese AVS (Audio Video Standard) video
D cdg CD Graphics
D cdxl Commodore CDXL video
D concat Virtual concatenation script
E crc CRC testing
DE daud DCinema audio
D dfa Chronomaster DFA
DE dirac raw Dirac
DE dnxhd raw DNxHD (SMPTE VC3)
D dsicin Delphine Software International CIN
DE dts raw DTS
D dtshd raw DTSHD
DE dv DV (Digital Video)
E dvd MPEG2 PS (DVD VOB)
D dxa DXA
D ea Electronic Arts Multimedia
D ea_cdata Electronic Arts cdata
DE eac3 raw EAC3
D epaf Ensoniq Paris Audio File
DE f32be PCM 32bit floatingpoint bigendian
DE f32le PCM 32bit floatingpoint littleendian
E f4v F4V Adobe Flash Video
DE f64be PCM 64bit floatingpoint bigendian
DE f64le PCM 64bit floatingpoint littleendian
DE ffm FFM (FFserver live feed)
DE ffmetadata FFmpeg metadata in text
D film_cpk Sega FILM / CPK
DE filmstrip Adobe Filmstrip
DE flac raw FLAC
D flic FLI/FLC/FLX animation
DE flv FLV (Flash Video)
E framecrc framecrc testing
E framemd5 Perframe MD5 testing
D frm Megalux Frame
DE g722 raw G.722
DE g723_1 raw G.723.1
D g729 G.729 raw format demuxer
DE gif GIF Animation
D gsm raw GSM
DE gxf GXF (General eXchange Format)
DE h261 raw H.261
DE h263 raw H.263
DE h264 raw H.264 video
E hls Apple HTTP Live Streaming
D hls,applehttp Apple HTTP Live Streaming
DE ico Microsoft Windows ICO
D idcin id Cinematic
D idf iCE Draw File
D iff IFF (Interchange File Format)
DE ilbc iLBC storage
DE image2 image2 sequence
DE image2pipe piped image2 sequence
D ingenient raw Ingenient MJPEG
D ipmovie Interplay MVE
E ipod iPod H.264 MP4 (MPEG4 Part 14)
DE ircam Berkeley/IRCAM/CARL Sound Format
E ismv ISMV/ISMA (Smooth Streaming)
D iss Funcom ISS
D iv8 IndigoVision 8000 video
DE ivf On2 IVF
DE jacosub JACOsub subtitle format
D jv Bitmap Brothers JV
DE latm LOAS/LATM
D lavfi Libavfilter virtual input device
D lmlm4 raw lmlm4
D loas LOAS AudioSyncStream
D lvf LVF
D lxf VR native stream (LXF)
DE m4v raw MPEG4 video
E matroska Matroska
D matroska,webm Matroska / WebM
E md5 MD5 testing
D mgsts Metal Gear Solid: The Twin Snakes
DE microdvd MicroDVD subtitle format
DE mjpeg raw MJPEG video
E mkvtimestamp_v2 extract pts as timecode v2 format, as defined by mkvtoolnix
DE mlp raw MLP
D mm American Laser Games MM
DE mmf Yamaha SMAF
E mov QuickTime / MOV
D mov,mp4,m4a,3gp,3g2,mj2 QuickTime / MOV
E mp2 MP2 (MPEG audio layer 2)
DE mp3 MP3 (MPEG audio layer 3)
E mp4 MP4 (MPEG4 Part 14)
D mpc Musepack
D mpc8 Musepack SV8
DE mpeg MPEG1 Systems / MPEG program stream
E mpeg1video raw MPEG1 video
E mpeg2video raw MPEG2 video
DE mpegts MPEGTS (MPEG2 Transport Stream)
D mpegtsraw raw MPEGTS (MPEG2 Transport Stream)
D mpegvideo raw MPEG video
E mpjpeg MIME multipart JPEG
D mpl2 MPL2 subtitles
D mpsub MPlayer subtitles
D msnwctcp MSN TCP Webcam stream
D mtv MTV
DE mulaw PCM mulaw
D mv Silicon Graphics Movie
D mvi Motion Pixels MVI
DE mxf MXF (Material eXchange Format)
E mxf_d10 MXF (Material eXchange Format) D10 Mapping
D mxg MxPEG clip
D nc NC camera feed
D nistsphere NIST SPeech HEader REsources
D nsv Nullsoft Streaming Video
E null raw null video
DE nut NUT
D nuv NuppelVideo
DE ogg Ogg
DE oma Sony OpenMG audio
D paf Amazing Studio Packed Animation File
D pjs PJS (Phoenix Japanimation Society) subtitles
D pmp Playstation Portable PMP
E psp PSP MP4 (MPEG4 Part 14)
D psxstr Sony Playstation STR
D pva TechnoTrend PVA
D pvf PVF (Portable Voice Format)
D qcp QCP
D r3d REDCODE R3D
DE rawvideo raw video
E rcv VC1 test bitstream
D realtext RealText subtitle format
D rl2 RL2
DE rm RealMedia
DE roq raw id RoQ
D rpl RPL / ARMovie
DE rso Lego Mindstorms RSO
DE rtp RTP output
DE rtsp RTSP output
DE s16be PCM signed 16bit bigendian
DE s16le PCM signed 16bit littleendian
DE s24be PCM signed 24bit bigendian
DE s24le PCM signed 24bit littleendian
DE s32be PCM signed 32bit bigendian
DE s32le PCM signed 32bit littleendian
DE s8 PCM signed 8bit
D sami SAMI subtitle format
DE sap SAP output
D sbg SBaGen binaural beats script
D sdp SDP
E segment segment
D shn raw Shorten
D siff Beam Software SIFF
DE smjpeg Loki SDL MJPEG
D smk Smacker
E smoothstreaming Smooth Streaming Muxer
D smush LucasArts Smush
D sol Sierra SOL
DE sox SoX native
DE spdif IEC 61937 (used on S/PDIF  IEC958)
DE srt SubRip subtitle
E stream_segment,ssegment streaming segment muxer
D subviewer SubViewer subtitle format
D subviewer1 SubViewer v1 subtitle format
E svcd MPEG2 PS (SVCD)
DE swf SWF (ShockWave Flash)
D tak raw TAK
D tedcaptions TED Talks captions
E tee Multiple muxer tee
D thp THP
D tiertexseq Tiertex Limited SEQ
D tmv 8088flex TMV
DE truehd raw TrueHD
D tta TTA (True Audio)
D tty Teletypewriter
D txd Renderware TeXture Dictionary
DE u16be PCM unsigned 16bit bigendian
DE u16le PCM unsigned 16bit littleendian
DE u24be PCM unsigned 24bit bigendian
DE u24le PCM unsigned 24bit littleendian
DE u32be PCM unsigned 32bit bigendian
DE u32le PCM unsigned 32bit littleendian
DE u8 PCM unsigned 8bit
D vc1 raw VC1
D vc1test VC1 test bitstream
E vcd MPEG1 Systems / MPEG program stream (VCD)
D vivo Vivo
D vmd Sierra VMD
E vob MPEG2 PS (VOB)
D vobsub VobSub subtitle format
DE voc Creative Voice
D vplayer VPlayer subtitles
D vqf Nippon Telegraph and Telephone Corporation (NTT) TwinVQ
DE w64 Sony Wave64
DE wav WAV / WAVE (Waveform Audio)
D wc3movie Wing Commander III movie
E webm WebM
D webvtt WebVTT subtitle
D wsaud Westwood Studios audio
D wsvqa Westwood Studios VQA
DE wtv Windows Television (WTV)
DE wv WavPack
D xa Maxis XA
D xbin eXtended BINary text (XBIN)
D xmv Microsoft XMV
D xwma Microsoft xWMA
D yop Psygnosis YOP
DE yuv4mpegpipe YUV4MPEG pipe
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