ffmpeg version N-51106-g17c1881
built on Mar 19 2013 13:49:37 with gcc 4.7.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil      52. 19.101 / 52. 19.101
libavcodec     55.  1.100 / 55.  1.100
libavformat    55.  0.100 / 55.  0.100
libavdevice    55.  0.100 / 55.  0.100
libavfilter     3. 47.104 /  3. 47.104
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 program-readable progress information
-stdin              enable or disable interaction on standard input
-timelimit limit    set max runtime in seconds
-dump               dump each input packet
-hex                when dumping packets, also dump the payload
-vsync              video sync method
-async              audio sync method
-adrift_threshold threshold  audio drift threshold
-copyts             copy timestamps
-copytb mode        copy input stream time base when stream copying
-dts_delta_threshold threshold  timestamp discontinuity delta threshold
-dts_error_threshold threshold  timestamp error delta threshold
-xerror error       exit on error
-filter_complex graph_description  create a complex filtergraph
-lavfi graph_description  create a complex filtergraph
-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

Per-file main options:
-f fmt              force format
-c codec            codec name
-codec codec        codec name
-pre preset         preset name
-map_metadata outfile[,metadata]:infile[,metadata]  set metadata information of outfile from infile
-t duration         record or transcode "duration" seconds of audio/video
-to time_stop       record or transcode stop time
-fs limit_size      set the limit file size in bytes
-ss time_off        set the start time offset
-timestamp time     set the recording timestamp ('now' to set the current time)
-metadata string=string  add metadata
-target type        specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...)
-frames number      set the number of frames to record
-filter filter_graph  set stream filtergraph
-reinit_filter      reinit filtergraph on input parameter changes

Advanced per-file options:
-map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_s  set input stream mapping
-map_channel file.stream.channel[:syncfile.syncstream]  map an audio channel from one stream to another
-map_chapters input_file_index  set chapters mapping
-itsoffset time_off  set the input ts offset
-itsscale scale     set the input ts scale
-dframes number     set the number of data frames to record
-re                 read input at native frame rate
-shortest           finish encoding within shortest input
-copyinkf           copy initial non-keyframes
-copypriorss        copy or discard frames before start time
-tag fourcc/tag     force codec tag/fourcc
-q q                use fixed quality scale (VBR)
-qscale q           use fixed quality scale (VBR)
-profile profile    set profile
-attach filename    add an attachment to the output file
-dump_attachment filename  extract an attachment into a file
-muxdelay seconds   set the maximum demux-decode delay
-muxpreload seconds  set the initial demux-decode delay
-bsf bitstream_filters  A comma-separated list of bitstream filters
-fpre filename      set options from indicated preset file
-dcodec codec       force data codec ('copy' to copy stream)

Video options:
-vframes number     set the number of video frames to record
-r rate             set frame rate (Hz value, fraction or abbreviation)
-s size             set frame size (WxH or abbreviation)
-aspect aspect      set aspect ratio (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 (codec-specific)
-ar rate            set audio sampling rate (in Hz)
-ac channels        set number of audio channels
-an                 disable audio
-acodec codec       force audio codec ('copy' to copy stream)
-vol volume         change audio volume (256=normal)
-af filter_graph    set audio filters

Advanced Audio options:
-atag fourcc/tag    force audio tag/fourcc
-sample_fmt format  set sample format
-channel_layout layout  set channel layout
-guess_layout_max   set the maximum number of channels to try to guess the channel layout
-absf audio bitstream_filters  deprecated
-apre preset        set the audio options to the indicated preset

Subtitle options:
-s size             set frame size (WxH or abbreviation)
-sn                 disable subtitle
-scodec codec       force subtitle codec ('copy' to copy stream)
-stag fourcc/tag    force subtitle tag/fourcc
-fix_sub_duration   fix subtitles duration
-canvas_size size   set canvas size (WxH or abbreviation)
-spre preset        set the subtitle options to the indicated preset


AVCodecContext AVOptions:
-b                 <int>        E..VA. set bitrate (in bits/s) (from 0 to INT_MAX)
-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 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 1 to INT_MAX)
-flags             <flags>      ED.VAS
   mv4                          E..V.. use four motion vectors per macroblock (MPEG-4)
   qpel                         E..V.. use 1/4-pel motion compensation
   loop                         E..V.. use loop filter
   gmc                          E..V.. use gmc
   mv0                          E..V.. always try a mb with mv=<0,0>
   gray                         ED.V.. only decode/encode grayscale
   psnr                         E..V.. error[?] variables will be set during encoding
   naq                          E..V.. normalize adaptive quantization
   ildct                        E..V.. use interlaced DCT
   low_delay                    ED.V.. force low delay
   global_header                E..VA. place global headers in extradata instead of every keyframe
   bitexact                     ED.VAS use only bitexact functions (except (I)DCT)
   aic                          E..V.. H.263 advanced intra coding / MPEG-4 AC prediction
   ilme                         E..V.. interlaced motion estimation
   cgop                         E..V.. closed GOP
-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: 0.0-1.0 (from -3.40282e+038 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 B-frames (from -3.40282e+038 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/B-frames (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 lavc-generated MSMPEG4v3 files (no autodetection)
   xvid_ilace                   .D.V.. Xvid interlacing bug (autodetected if FOURCC == XVIX)
   ump4                         .D.V.. (autodetected if FOURCC == UMP4)
   no_padding                   .D.V.. padding bug (autodetected)
   amv                          .D.V..
   ac_vlc                       .D.V.. illegal VLC bug (autodetected per FOURCC)
   qpel_chroma                  .D.V..
   std_qpel                     .D.V.. old standard qpel (autodetected per FOURCC/version)
   qpel_chroma2                 .D.V..
   direct_blocksize              .D.V.. direct-qpel-blocksize bug (autodetected per FOURCC/version)
   edge                         .D.V.. edge padding bug (autodetected per FOURCC/version)
   hpel_chroma                  .D.V..
   dc_clip                      .D.V..
   ms                           .D.V.. work around various bugs in Microsoft's broken decoders
   trunc                        .D.V.. truncated frames
-strict            <int>        ED.VA. how strictly to follow the standards (from INT_MIN to INT_MAX)
   very                         ED.V.. strictly conform to a older more strict version of the spec or reference software
   strict                       ED.V.. strictly conform to all the things in the spec no matter what the consequences
   normal                       ED.V..
   unofficial                   ED.V.. allow unofficial extensions
   experimental                 ED.V.. allow non-standardized experimental things
-b_qoffset         <float>      E..V.. QP offset between P- and B-frames (from -3.40282e+038 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+038 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+038 to FLT_MAX)
-i_qfactor         <float>      E..V.. QP factor between P- and I-frames (from -3.40282e+038 to FLT_MAX)
-i_qoffset         <float>      E..V.. QP offset between P- and I-frames (from -3.40282e+038 to FLT_MAX)
-rc_init_cplx      <float>      E..V.. initial complexity for 1-pass encoding (from -3.40282e+038 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+038 to FLT_MAX)
-tcplx_mask        <float>      E..V.. temporal complexity masking (from -3.40282e+038 to FLT_MAX)
-scplx_mask        <float>      E..V.. spatial complexity masking (from -3.40282e+038 to FLT_MAX)
-p_mask            <float>      E..V.. inter masking (from -3.40282e+038 to FLT_MAX)
-dark_mask         <float>      E..V.. compresses dark areas stronger than medium ones (from -3.40282e+038 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..
   arm                          ED.V..
   altivec                      ED.V..
   sh4                          ED.V..
   simplearm                    ED.V..
   simplearmv5te                ED.V..
   simplearmv6                  ED.V..
   simpleneon                   ED.V..
   simplealpha                  ED.V..
   ipp                          ED.V..
   xvidmmx                      ED.V..
   faani                        ED.V.. floating point AAN IDCT
-ec                <flags>      .D.V.. set error concealment strategy
   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.. per-block quantization parameter (QP)
   mv                           .D.V.. motion vector
   dct_coeff                    .D.V..
   skip                         .D.V..
   startcode                    .D.V..
   pts                          .D.V..
   er                           .D.V.. error recognition
   mmco                         .D.V.. memory management control operations (H.264)
   bugs                         .D.V..
   vis_qp                       .D.V.. visualize quantization parameter (QP), lower QP are tinted greener
   vis_mb_type                  .D.V.. visualize block types
   buffers                      .D.V.. picture buffer allocations
   thread_ops                   .D.V.. threading operations
-vismv             <int>        .D.V.. visualize motion vectors (MVs) (from 0 to INT_MAX)
   pf                           .D.V.. forward predicted MVs of P-frames
   bf                           .D.V.. forward predicted MVs of B-frames
   bb                           .D.V.. backward predicted MVs of B-frames
-cmp               <int>        E..V.. full-pel ME compare function (from INT_MIN to INT_MAX)
   sad                          E..V.. sum of absolute differences, fast (default)
   sse                          E..V.. sum of squared errors
   satd                         E..V.. sum of absolute Hadamard transformed differences
   dct                          E..V.. sum of absolute DCT transformed differences
   psnr                         E..V.. sum of squared quantization errors (avoid, low quality)
   bit                          E..V.. number of bits needed for the block
   rd                           E..V.. rate distortion optimal, slow
   zero                         E..V.. 0
   vsad                         E..V.. sum of absolute vertical differences
   vsse                         E..V.. sum of squared vertical differences
   nsse                         E..V.. noise preserving sum of squared differences
   w53                          E..V.. 5/3 wavelet, only used in snow
   w97                          E..V.. 9/7 wavelet, only used in snow
   dctmax                       E..V..
   chroma                       E..V..
-subcmp            <int>        E..V.. sub-pel ME compare function (from INT_MIN to INT_MAX)
   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 pre-pass (from INT_MIN to INT_MAX)
-subq              <int>        E..V.. sub-pel 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.. run-length coder
   deflate                      E..V.. deflate-based 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)
-flags2            <flags>      ED.VA.
   fast                         E..V.. allow non-spec-compliant speedup tricks
   noout                        E..V.. skip bitstream encoding
   ignorecrop                   .D.V.. ignore cropping information from sps
   local_header                 E..V.. place global headers at every keyframe instead of in extradata
   chunks                       .D.V.. Frame data might be split into multiple chunks
   showall                      .D.V.. Show all frames before the first keyframe
-error             <int>        E..V.. (from INT_MIN to INT_MAX)
-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+038 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.. skip loop filtering process for the selected frames (from INT_MIN to INT_MAX)
   none                         .D.V.. discard no frame
   default                      .D.V.. discard useless frames
   noref                        .D.V.. discard all non-reference frames
   bidir                        .D.V.. discard all bidirectional frames
   nokey                        .D.V.. discard all frames except keyframes
   all                          .D.V.. discard all frames
-skip_idct         <int>        .D.V.. skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX)
   none                         .D.V.. discard no frame
   default                      .D.V.. discard useless frames
   noref                        .D.V.. discard all non-reference frames
   bidir                        .D.V.. discard all bidirectional frames
   nokey                        .D.V.. discard all frames except keyframes
   all                          .D.V.. discard all frames
-skip_frame        <int>        .D.V.. skip decoding for the selected frames (from INT_MIN to INT_MAX)
   none                         .D.V.. discard no frame
   default                      .D.V.. discard useless frames
   noref                        .D.V.. discard all non-reference frames
   bidir                        .D.V.. discard all bidirectional frames
   nokey                        .D.V.. discard all frames except keyframes
   all                          .D.V.. discard all frames
-bidir_refine      <int>        E..V.. refine the two motion vectors used in bidirectional macroblocks (from 0 to 4)
-brd_scale         <int>        E..V.. downscale frames for dynamic B-frame decision (from 0 to 10)
-keyint_min        <int>        E..V.. minimum interval between IDR-frames (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. rate-distortion 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 non-drop-frame 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
-refcounted_frames <int>        .D.VA. (from 0 to 1)

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 mpegvideo-based 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+009)

h261 encoder AVOptions:
-mpv_flags         <flags>      E..V.. Flags common for all mpegvideo-based 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 mpegvideo-based 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 mpegvideo-based 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 MPEG-2 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 mpegvideo-based 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 MPEG-2 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 mpegvideo-based 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 mpegvideo-based 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 mpegvideo-based 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 mpegvideo-based 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 mpegvideo-based 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 mpegvideo-based 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 mpegvideo-based 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

AC-3 Encoder AVOptions:
-per_frame_metadata <int>        E...A. Allow Changing Metadata Per-Frame (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)

Fixed-Point AC-3 Encoder AVOptions:
-per_frame_metadata <int>        E...A. Allow Changing Metadata Per-Frame (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

E-AC-3 Encoder AVOptions:
-per_frame_metadata <int>        E...A. Allow Changing Metadata Per-Frame (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

E-AC3 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)

libilbc AVOptions:
-mode              <int>        E...A. iLBC mode (20 or 30 ms frames) (from 20 to 30)

libilbc AVOptions:
-enhance           <int>        .D..A. Enhance the decoded audio (adds delay) (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)

libopenjpeg AVOptions:
-format            <int>        E..V.. Codec Format (from 0 to 2)
   j2k                          E..V..
   jp2                          E..V..
-profile           <int>        E..V.. (from 0 to 4)
   jpeg2000                     E..V..
   cinema2k                     E..V..
   cinema4k                     E..V..
-cinema_mode       <int>        E..V.. Digital Cinema (from 0 to 3)
   off                          E..V..
   2k_24                        E..V..
   2k_48                        E..V..
   4k_24                        E..V..
-prog_order        <int>        E..V.. Progression Order (from 0 to 4)
   lrcp                         E..V..
   rlcp                         E..V..
   rpcl                         E..V..
   pcrl                         E..V..
   cprl                         E..V..
-numresolution     <int>        E..V.. (from 1 to INT_MAX)
-numlayers         <int>        E..V.. (from 1 to 10)
-disto_alloc       <int>        E..V.. (from 0 to 1)
-fixed_alloc       <int>        E..V.. (from 0 to 1)
-fixed_quality     <int>        E..V.. (from 0 to 1)

libopenjpeg AVOptions:
-lowqual           <int>        .D.V.. Limit the number of layers used for decoding (from 0 to INT_MAX)

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)

libtwolame encoder AVOptions:
-mode              <int>        E...A. Mpeg Mode (from -1 to 3)
   auto                         E...A.
   stereo                       E...A.
   joint_stereo                 E...A.
   dual_channel                 E...A.
   mono                         E...A.
-psymodel          <int>        E...A. Psychoacoustic Model (from -1 to 4)
-energy_levels     <int>        E...A. enable energy levels (from 0 to 1)
-error_protection  <int>        E...A. enable CRC error protection (from 0 to 1)
-copyright         <int>        E...A. set MPEG Audio Copyright flag (from 0 to 1)
-original          <int>        E...A. set MPEG Audio Original flag (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:
-cpu-used          <int>        E..V.. Quality/Speed ratio modifier (from INT_MIN to INT_MAX)
-auto-alt-ref      <int>        E..V.. Enable use of alternate reference frames (2-pass only) (from -1 to 1)
-lag-in-frames     <int>        E..V.. Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX)
-arnr-maxframes    <int>        E..V.. altref noise reduction max frame count (from -1 to INT_MAX)
-arnr-strength     <int>        E..V.. altref noise reduction filter strength (from -1 to INT_MAX)
-arnr-type         <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..
-error-resilient   <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.
-max-intra-rate    <int>        E..V.. Maximum I-frame 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 (VP8/2-pass 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 P-frames
-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)
-aq-mode           <int>        E..V.. AQ method (from -1 to INT_MAX)
   none                         E..V..
   variance                     E..V.. Variance AQ (complexity mask)
   autovariance                 E..V.. Auto-variance AQ (experimental)
-aq-strength       <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)
-psy-rd            <string>     E..V.. Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead      <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 B-frames. (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)
-intra-refresh     <int>        E..V.. Use Periodic Intra Refresh instead of IDR frames. (from -1 to 1)
-b-bias            <int>        E..V.. Influences how often B-frames are used (from INT_MIN to INT_MAX)
-b-pyramid         <int>        E..V.. Keep some B-frames as references. (from -1 to INT_MAX)
   none                         E..V..
   strict                       E..V.. Strictly hierarchical pyramid
   normal                       E..V.. Non-strict (not Blu-ray compatible)
-mixed-refs        <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)
-fast-pskip        <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 comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred       <int>        E..V.. Direct MV prediction mode (from -1 to INT_MAX)
   none                         E..V..
   spatial                      E..V..
   temporal                     E..V..
   auto                         E..V..
-slice-max-size    <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
-nal-hrd           <int>        E..V.. Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX)
   none                         E..V..
   vbr                          E..V..
   cbr                          E..V..
-x264-params       <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 P-frames
-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)
-aq-mode           <int>        E..V.. AQ method (from -1 to INT_MAX)
   none                         E..V..
   variance                     E..V.. Variance AQ (complexity mask)
   autovariance                 E..V.. Auto-variance AQ (experimental)
-aq-strength       <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)
-psy-rd            <string>     E..V.. Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead      <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 B-frames. (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)
-intra-refresh     <int>        E..V.. Use Periodic Intra Refresh instead of IDR frames. (from -1 to 1)
-b-bias            <int>        E..V.. Influences how often B-frames are used (from INT_MIN to INT_MAX)
-b-pyramid         <int>        E..V.. Keep some B-frames as references. (from -1 to INT_MAX)
   none                         E..V..
   strict                       E..V.. Strictly hierarchical pyramid
   normal                       E..V.. Non-strict (not Blu-ray compatible)
-mixed-refs        <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)
-fast-pskip        <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 comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred       <int>        E..V.. Direct MV prediction mode (from -1 to INT_MAX)
   none                         E..V..
   spatial                      E..V..
   temporal                     E..V..
   auto                         E..V..
-slice-max-size    <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
-nal-hrd           <int>        E..V.. Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX)
   none                         E..V..
   vbr                          E..V..
   cbr                          E..V..
-x264-params       <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)
-b-bias            <int>        E..V.. Influences how often B-frames are used (from INT_MIN to INT_MAX)
-cplxblur          <float>      E..V.. Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX)
-direct-pred       <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)
-mixed-refs        <int>        E..V.. One reference per partition, as opposed to one reference per macroblock (from -1 to 1)
-fast-pskip        <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 MP4A-LATM 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 real-time 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+009)
-audio_preload     <int>        E..... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+009)
-chunk_duration    <int>        E..... microseconds for each chunk (from 0 to 2.14748e+009)
-chunk_size        <int>        E..... size in bytes for each chunk (from 0 to 2.14748e+009)
-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+009)
-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+009)
-correct_ts_overflow <int>        .D.... correct single timestamp overflows (from 0 to 1)

AVIOContext AVOptions:

URLContext AVOptions:

bluray AVOptions:
-playlist          <int>        .D....  (from -1 to 99999)
-angle             <int>        .D....  (from 0 to 254)
-chapter           <int>        .D....  (from 1 to 65534)

crypto AVOptions:
-key               <binary>     .D.... AES decryption key
-iv                <binary>     .D.... AES decryption initialization vector

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 transfer-encoding 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
-user-agent        <string>     .D.... override User-Agent 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)

https AVOptions:
-seekable          <int>        .D.... control seekability of connection (from -1 to 1)
-chunked_post      <int>        E..... use chunked transfer-encoding 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
-user-agent        <string>     .D.... override User-Agent 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)

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)

librtmp protocol AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish

librtmpe protocol AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish

librtmps protocol AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish

librtmpt protocol AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish

librtmpte protocol AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish

dshow indev AVOptions:
-video_size        <image_size> .D.... set video size given a string such as 640x480 or hd720.
-pixel_format      <pix_fmt>    .D.... set video pixel format
-framerate         <string>     .D.... set video frame rate
-sample_rate       <int>        .D.... set audio sample rate (from 0 to INT_MAX)
-sample_size       <int>        .D.... set audio sample size (from 0 to 16)
-channels          <int>        .D.... set number of audio channels, such as 1 or 2 (from 0 to INT_MAX)
-list_devices      <int>        .D.... list available devices (from 0 to 1)
   true                         .D.... 
   false                        .D.... 
-list_options      <int>        .D.... list available options for specified device (from 0 to 1)
   true                         .D.... 
   false                        .D.... 
-video_device_number <int>        .D.... set video device number for devices with same name (starts at 0) (from 0 to INT_MAX)
-audio_device_number <int>        .D.... set audio device number for devices with same name (starts at 0) (from 0 to INT_MAX)
-audio_buffer_size <int>        .D.... set audio device buffer latency size in milliseconds (default is the device's default) (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

VFW indev AVOptions:
-video_size        <string>     .D.... A string describing frame size, such as 640x480 or hd720.
-framerate         <string>     .D.... 

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+007)

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_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)

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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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)

caca_outdev AVOptions:
-window_size       <image_size> E..... set window forced size
-window_title      <string>     E..... set window title
-driver            <string>     E..... set display driver
-algorithm         <string>     E..... set dithering algorithm
-antialias         <string>     E..... set antialias method
-charset           <string>     E..... set charset used to render output
-color             <string>     E..... set color used to render output
-list_drivers      <int>        E..... list available drivers (from 0 to 1)
   true                         E.....
   false                        E.....
-list_dither       <string>     E..... list available dither options
   algorithms                   E.....
   antialiases                  E.....
   charsets                     E.....
   colors                       E.....

sdl outdev AVOptions:
-window_title      <string>     E..... set SDL window title
-icon_title        <string>     E..... set SDL iconified window title
-window_size       <image_size> E..... set SDL window forced size
-window_fullscreen <int>        E..... set SDL window fullscreen (from INT_MIN to INT_MAX)

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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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:
-smc-interval      <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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 UTF-8 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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 demux-decode delay in microseconds. (from 0 to INT_MAX)

vcd muxer AVOptions:
-muxrate           <int>        E..... (from 0 to INT_MAX)
-preload           <int>        E..... Initial demux-decode delay in microseconds. (from 0 to INT_MAX)

dvd muxer AVOptions:
-muxrate           <int>        E..... (from 0 to INT_MAX)
-preload           <int>        E..... Initial demux-decode delay in microseconds. (from 0 to INT_MAX)

svcd muxer AVOptions:
-muxrate           <int>        E..... (from 0 to INT_MAX)
-preload           <int>        E..... Initial demux-decode delay in microseconds. (from 0 to INT_MAX)

vob muxer AVOptions:
-muxrate           <int>        E..... (from 0 to INT_MAX)
-preload           <int>        E..... Initial demux-decode 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..... MPEG-TS 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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 live-friendly 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 live-friendly 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 big-endian format (for use as s16be)
-dtshd_rate        <int>        E..... mux complete DTS frames in HD mode at the specified IEC958 rate (in Hz, default 0=disabled) (from 0 to 768000)
-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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
   rfc2190                      E..... Use RFC 2190 packetization instead of RFC 4629 for H.263
   skip_rtcp                    E..... Don't send RTCP sender reports
   h264_mode0                   E..... Use mode 0 for H264 in RTP
-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 f-weighted noise shaping dither
   modified_e_weighted              ....A. select modified-e-weighted noise shaping dither
   improved_e_weighted              ....A. select improved-e-weighted noise shaping dither
-filter_size       <int>        ....A. set swr resampling filter size (from 0 to INT_MAX)
-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 & higher-precision 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 comma-separated list of sample formats.
-sample_rates      <string>     ..F.A. A comma-separated list of sample rates.
-channel_layouts   <string>     ..F.A. A comma-separated list of channel layouts.

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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set filter-width (from 0 to 99999)
-w                 <double>     ..F.A. set filter-width (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 end-of-stream. (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)

aperms AVOptions:
-mode              <int>        ..F... select permissions mode (from 0 to 4)
   none                         ..F... do nothing
   ro                           ..F... set all output frames read-only
   rw                           ..F... set all output frames writable
   toggle                       ..F... switch permissions
   random                       ..F... set permissions randomly

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 per-frame output samples (from 1 to INT_MAX)
-n                 <int>        ..F.A. set the number of per-frame output samples (from 1 to INT_MAX)

asettb AVOptions:
-tb                <string>     ..F.A. set timebase expression

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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set band-width (from 0 to 999)
-w                 <double>     ..F.A. set band-width (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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set band-width (from 0 to 999)
-w                 <double>     ..F.A. set band-width (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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set shelf transition steep (from 0 to 99999)
-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 comma-separated list of input channel numbers in output order.
-channel_layout    <string>     ..F.A. Output channel layout.

channelsplit AVOptions:
-channel_layout    <string>     ..F.A. Input channel layout.

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)
-framelog          <int>        ..FVA. force frame logging level (from INT_MIN to INT_MAX)
   info                         ..FVA. information logging level
   verbose                      ..FVA. verbose logging level
-metadata          <int>        ..FVA. inject metadata in the filtergraph (from 0 to 1)

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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set band-width (from 0 to 999)
-w                 <double>     ..F.A. set band-width (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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set width (from 0 to 99999)
-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 comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel.

lowpass AVOptions:
-frequency         <double>     ..F.A. set frequency (from 0 to 999999)
-f                 <double>     ..F.A. set frequency (from 0 to 999999)
-width_type        <int>        ..F.A. set filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set width (from 0 to 99999)
-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 filter-width type (from 1 to 4)
   h                            ..F.A. Hz
   q                            ..F.A. Q-Factor
   o                            ..F.A. octave
   s                            ..F.A. slope
-width             <double>     ..F.A. set shelf transition steep (from 0 to 99999)
-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+006)
-precision         <int>        ..F.A. select mathematical precision (from 0 to 2)
   fixed                        ..F.A. select 8-bit fixed-point
   float                        ..F.A. select 32-bit floating-point
   double                       ..F.A. select 64-bit floating-point

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)

blackframe AVOptions:
-amount            <int>        ..FV.. set least percentual amount of pixels below the black threshold enabling black detection (from 0 to 100)
-thresh            <int>        ..FV.. set threshold below which a pixel value is considered black (from 0 to 255)

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)

cropdetect AVOptions:
-limit             <int>        ..FV.. set black threshold (from 0 to 255)
-round             <int>        ..FV.. set width/height round value (from 0 to INT_MAX)
-reset_count       <int>        ..FV.. set after how many frames to reset detected info (from 0 to INT_MAX)

curves AVOptions:
-red               <string>     ..FV.. set red points coordinates
-r                 <string>     ..FV.. set red points coordinates
-green             <string>     ..FV.. set green points coordinates
-g                 <string>     ..FV.. set green points coordinates
-blue              <string>     ..FV.. set blue points coordinates
-b                 <string>     ..FV.. set blue points coordinates

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 top-left corner x position (from INT_MIN to INT_MAX)
-y                 <int>        ..FV.. set the box top-left 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

fieldorder AVOptions:
-order             <int>        ..FV.. set output field order (from 0 to 1)
   tff                          ..FV.. set top field first
   bff                          ..FV.. set bottom field first

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

perms AVOptions:
-mode              <int>        ..F... select permissions mode (from 0 to 4)
   none                         ..F... do nothing
   ro                           ..F... set all output frames read-only
   rw                           ..F... set all output frames writable
   toggle                       ..F... switch permissions
   random                       ..F... set permissions randomly

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 bottom-field-first
   tff                          ..FV.. mark as top-field-first
   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

settb AVOptions:
-tb                <string>     ..FV.. set timebase expression

smartblur AVOptions:
-luma_radius       <float>      ..FV.. set luma radius (from 0.1 to 5)
-lr                <float>      ..FV.. set luma radius (from 0.1 to 5)
-luma_strength     <float>      ..FV.. set luma strength (from -1 to 1)
-ls                <float>      ..FV.. set luma strength (from -1 to 1)
-luma_threshold    <int>        ..FV.. set luma threshold (from -30 to 30)
-lt                <int>        ..FV.. set luma threshold (from -30 to 30)
-chroma_radius     <float>      ..FV.. set chroma radius (from -0.9 to 5)
-cr                <float>      ..FV.. set chroma radius (from -0.9 to 5)
-chroma_strength   <float>      ..FV.. set chroma strength (from -2 to 1)
-cs                <float>      ..FV.. set chroma strength (from -2 to 1)
-chroma_threshold  <int>        ..FV.. set chroma threshold (from -31 to 30)
-ct                <int>        ..FV.. set chroma threshold (from -31 to 30)

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:
-luma_msize_x      <int>        ..FV.. set luma matrix x size (from 3 to 63)
-lx                <int>        ..FV.. set luma matrix x size (from 3 to 63)
-luma_msize_y      <int>        ..FV.. set luma matrix y size (from 3 to 63)
-ly                <int>        ..FV.. set luma matrix y size (from 3 to 63)
-luma_amount       <double>     ..FV.. set luma effect amount (from -1.79769e+308 to 1.79769e+308)
-la                <double>     ..FV.. set luma effect amount (from -1.79769e+308 to 1.79769e+308)
-chroma_msize_x    <int>        ..FV.. set chroma matrix x size (from 3 to 63)
-cx                <int>        ..FV.. set chroma matrix x size (from 3 to 63)
-chroma_msize_y    <int>        ..FV.. set chroma matrix y size (from 3 to 63)
-cy                <int>        ..FV.. set chroma matrix y size (from 3 to 63)
-chroma_amount     <double>     ..FV.. set chroma effect strenght (from -1.79769e+308 to 1.79769e+308)
-ca                <double>     ..FV.. set chroma effect strenght (from -1.79769e+308 to 1.79769e+308)

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+009)
-seed              <int>        ..FV.. set the seed for filling the initial grid randomly (from -1 to 4.29497e+009)
-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+009)
-seed              <int>        ..FV.. set the seed for filling the initial grid randomly (from -1 to 4.29497e+009)
-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+012)
-sp                <double>     ..F... set seekpoint (seconds) (from 0 to 9.22337e+012)
-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+012)
-sp                <double>     ..F... set seekpoint (seconds) (from 0 to 9.22337e+012)
-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..

