This is the full help of ffplay:

Simple media player
usage: ffplay [options] input_file

Main options:
-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
-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
-x width            force displayed width
-y height           force displayed height
-s size             set frame size (WxH or abbreviation)
-fs                 force full screen
-an                 disable audio
-vn                 disable video
-sn                 disable subtitling
-ss pos             seek to a given position in seconds
-t duration         play  "duration" seconds of audio/video
-bytes val          seek by bytes 0=off 1=on -1=auto
-nodisp             disable graphical display
-f fmt              force format
-window_title window title  set window title
-vf filter_graph    set video filters
-showmode mode      select show mode (0 = video, 1 = waves, 2 = RDFT)
-i input_file       read specified file
-codec decoder_name  force decoder

Advanced options:
-cpuflags flags     force specific cpu flags
-ast stream_number  select desired audio stream
-vst stream_number  select desired video stream
-sst stream_number  select desired subtitle stream
-pix_fmt format     set pixel format
-stats              show status
-bug                workaround bugs
-fast               non spec compliant optimizations
-genpts             generate pts
-drp                let decoder reorder pts 0=off 1=on -1=auto
-lowres             
-skiploop           
-skipframe          
-skipidct           
-idct algo          set idct algo
-ec bit_mask        set error concealment options
-sync type          set audio-video sync. type (type=audio/video/ext)
-autoexit           exit at the end
-exitonkeydown      exit on key down
-exitonmousedown    exit on mouse down
-loop loop count    set number of times the playback shall be looped
-framedrop          drop frames when cpu is too slow
-infbuf             don't limit the input buffer size (useful with realtime streams)
-rdftspeed msecs    rdft speed
-default            generic catch all option
-acodec decoder_name  force audio decoder
-scodec decoder_name  force subtitle decoder
-vcodec decoder_name  force video decoder


AVCodecContext AVOptions:
-flags             <flags>      ED.VAS
   gray                         ED.V.. only decode/encode grayscale
   low_delay                    ED.V.. force low delay
   bitexact                     ED.VAS use only bitexact functions (except (I)DCT)
-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)
-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
-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
-idct              <int>        ED.V.. select IDCT implementation (from 0 to INT_MAX)
   auto                         ED.V..
   int                          ED.V..
   simple                       ED.V..
   simplemmx                    ED.V..
   libmpeg2mmx                  ED.V..
   mmi                          ED.V..
   arm                          ED.V..
   altivec                      ED.V..
   sh4                          ED.V..
   simplearm                    ED.V..
   simplearmv5te                ED.V..
   simplearmv6                  ED.V..
   simpleneon                   ED.V..
   simplealpha                  ED.V..
   h264                         ED.V..
   vp3                          ED.V..
   ipp                          ED.V..
   xvidmmx                      ED.V..
   faani                        ED.V.. floating point AAN IDCT
-ec                <flags>      .D.V.. set error concealment strategy
   guess_mvs                    .D.V.. iterative motion vector (MV) search (slow)
   deblock                      .D.V.. use strong deblock filter for damaged MBs
-debug             <flags>      ED.VAS print specific debug info
   pict                         .D.V.. picture info
   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
-flags2            <flags>      ED.VA.
   ignorecrop                   .D.V.. ignore cropping information from sps
   chunks                       .D.V.. Frame data might be split into multiple chunks
   showall                      .D.V.. Show all frames before the first keyframe
-threads           <int>        ED.V.. (from 0 to INT_MAX)
   auto                         ED.V.. autodetect a suitable number of threads to use
-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)
-lowres            <int>        .D.VA. decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX)
-skip_loop_filter  <int>        .D.V.. (from INT_MIN to INT_MAX)
   none                         .D.V..
   default                      .D.V..
   noref                        .D.V..
   bidir                        .D.V..
   nokey                        .D.V..
   all                          .D.V..
-skip_idct         <int>        .D.V.. (from INT_MIN to INT_MAX)
   none                         .D.V..
   default                      .D.V..
   noref                        .D.V..
   bidir                        .D.V..
   nokey                        .D.V..
   all                          .D.V..
-skip_frame        <int>        .D.V.. (from INT_MIN to INT_MAX)
   none                         .D.V..
   default                      .D.V..
   noref                        .D.V..
   bidir                        .D.V..
   nokey                        .D.V..
   all                          .D.V..
-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)
-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)
-thread_type       <flags>      ED.V.. select multithreading type
   slice                        ED.V..
   frame                        ED.V..
-request_sample_fmt <sample_fmt> .D..A. sample format audio decoders should prefer
-sub_charenc       <string>     .D...S set input text subtitles character encoding
-sub_charenc_mode  <flags>      .D...S set input text subtitles character encoding mode
   do_nothing                   .D...S
   auto                         .D...S
   pre_decoder                  .D...S

cljr encoder AVOptions:

dnxhd AVOptions:

ffv1 encoder AVOptions:

flv encoder AVOptions:

frwu Decoder AVOptions:
-change_field_order <int>        .D.V.. Change field order (from 0 to 1)

gif decoder AVOptions:
-trans_color       <int>        .D.V.. color value (ARGB) that is used instead of transparent color (from 0 to 4.29497e+09)

h261 encoder AVOptions:

H.263 encoder AVOptions:

H.263p encoder AVOptions:

H264 Decoder AVOptions:

MJPEG decoder AVOptions:
-extern_huff       <int>        .D.V.. Use external huffman table. (from 0 to 1)

mpeg1video encoder AVOptions:

mpeg2video encoder AVOptions:

MPEG4 encoder AVOptions:

MPEG4 Video Decoder AVOptions:

msmpeg4v2 encoder AVOptions:

msmpeg4v3 encoder AVOptions:

ProRes encoder AVOptions:

rawdec AVOptions:
-top               <int>        .D.V.. top field first (from -1 to 1)

rv10 encoder AVOptions:

rv20 encoder AVOptions:

snow encoder AVOptions:

TIFF encoder AVOptions:

V210 Decoder AVOptions:
-custom_stride     <int>        .D.V.. Custom V210 stride (from INT_MIN to INT_MAX)

wmv1 encoder AVOptions:

AAC encoder AVOptions:

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:

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:

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:

E-AC3 decoder AVOptions:
-drc_scale         <float>      .D..A. percentage of dynamic range compression to apply (from 0 to 1)

FLAC encoder AVOptions:

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:

dvdsubdec AVOptions:
-palette           <string>     .D...S set the global palette

PGS subtitle decoder AVOptions:
-forced_subs_only  <int>        .D...S Only show forced subtitles (from 0 to 1)

pjs decoder AVOptions:
-keep_ass_markup   <int>        .D...S Set if ASS tags must be escaped (from 0 to 1)

subviewer1 decoder AVOptions:
-keep_ass_markup   <int>        .D...S Set if ASS tags must be escaped (from 0 to 1)

text decoder AVOptions:
-keep_ass_markup   <int>        .D...S Set if ASS tags must be escaped (from 0 to 1)

vplayer decoder AVOptions:
-keep_ass_markup   <int>        .D...S Set if ASS tags must be escaped (from 0 to 1)

libmp3lame encoder AVOptions:

libopus AVOptions:

libspeex AVOptions:

libvorbis AVOptions:

libvpx encoder AVOptions:

libx264 AVOptions:

libx264rgb AVOptions:

AVFormatContext AVOptions:
-avioflags         <flags>      ED....
   direct                       ED.... reduce buffering
-probesize         <int>        .D.... set probing size (from 32 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
   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+09)
-f_err_detect      <flags>      .D.... set error detection flags (deprecated; use err_detect, save via avconv)
   crccheck                     .D.... verify embedded CRCs
   bitstream                    .D.... detect bitstream specification deviations
   buffer                       .D.... detect improper bitstream length
   explode                      .D.... abort decoding on minor error detection
   careful                      .D.... consider things that violate the spec and have not been seen in the wild as errors
   compliant                    .D.... consider all spec non compliancies as errors
   aggressive                   .D.... consider things that a sane encoder shouldnt do as an error
-err_detect        <flags>      .D.... set error detection flags
   crccheck                     .D.... verify embedded CRCs
   bitstream                    .D.... detect bitstream specification deviations
   buffer                       .D.... detect improper bitstream length
   explode                      .D.... abort decoding on minor error detection
   careful                      .D.... consider things that violate the spec and have not been seen in the wild as errors
   compliant                    .D.... consider all spec non compliancies as errors
   aggressive                   .D.... consider things that a sane encoder shouldnt do as an error
-use_wallclock_as_timestamps <int>        .D.... use wallclock as timestamps (from 0 to 2.14748e+09)
-skip_initial_bytes <int>        .D.... skip initial bytes (from 0 to 2.14748e+09)
-correct_ts_overflow <int>        .D.... correct single timestamp overflows (from 0 to 1)

AVIOContext AVOptions:

URLContext AVOptions:

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

ffrtmphttp AVOptions:
-ffrtmphttp_tls    <int>        .D.... Use a HTTPS tunneling connection (RTMPTS). (from 0 to 1)

file AVOptions:

http AVOptions:
-seekable          <int>        .D.... control seekability of connection (from -1 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)

rtmp AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_buffer       <int>        ED.... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX)
-rtmp_conn         <string>     ED.... Append arbitrary AMF data to the Connect message
-rtmp_flashver     <string>     ED.... Version of the Flash plugin used to run the SWF player.
-rtmp_live         <int>        .D.... Specify that the media is a live stream. (from INT_MIN to INT_MAX)
   any                          .D.... both
   live                         .D.... live stream
   recorded                     .D.... recorded stream
-rtmp_pageurl      <string>     .D.... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish
-rtmp_subscribe    <string>     .D.... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash      <binary>     .D.... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize      <int>        .D.... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX)
-rtmp_swfurl       <string>     ED.... URL of the SWF player. By default no value will be sent
-rtmp_swfverify    <string>     .D.... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl        <string>     ED.... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen       <int>        .D.... Listen for incoming rtmp connections (from INT_MIN to INT_MAX)
-timeout           <int>        .D.... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX)

rtmpt AVOptions:
-rtmp_app          <string>     ED.... Name of application to connect to on the RTMP server
-rtmp_buffer       <int>        ED.... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX)
-rtmp_conn         <string>     ED.... Append arbitrary AMF data to the Connect message
-rtmp_flashver     <string>     ED.... Version of the Flash plugin used to run the SWF player.
-rtmp_live         <int>        .D.... Specify that the media is a live stream. (from INT_MIN to INT_MAX)
   any                          .D.... both
   live                         .D.... live stream
   recorded                     .D.... recorded stream
-rtmp_pageurl      <string>     .D.... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath     <string>     ED.... Stream identifier to play or to publish
-rtmp_subscribe    <string>     .D.... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash      <binary>     .D.... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize      <int>        .D.... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX)
-rtmp_swfurl       <string>     ED.... URL of the SWF player. By default no value will be sent
-rtmp_swfverify    <string>     .D.... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl        <string>     ED.... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen       <int>        .D.... Listen for incoming rtmp connections (from INT_MIN to INT_MAX)
-timeout           <int>        .D.... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX)

srtp AVOptions:

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)
-connect           <int>        ED.... Should connect() be called on socket (from 0 to 1)
-fifo_size         <int>        .D.... Set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX)
-overrun_nonfatal  <int>        .D.... Survive in case of UDP receiving circular buffer overrun (from 0 to 1)
-timeout           <int>        .D.... In read mode: if no data arrived in more than this time interval, raise error (from 0 to INT_MAX)

lavfi indev AVOptions:
-graph             <string>     .D.... set libavfilter graph
-graph_file        <string>     .D.... set libavfilter graph filename
-dumpgraph         <string>     .D.... dump graph to stderr

Artworx Data Format demuxer AVOptions:
-linespeed         <int>        .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
-video_size        <string>     .D.... set video size, such as 640x480 or hd720.
-framerate         <string>     .D.... set framerate (frames per second)

aqtdec AVOptions:
-subfps            <rational>   .D...S set the movie frame rate (from 0 to INT_MAX)

asf demuxer AVOptions:
-no_resync_search  <int>        .D.... Don't try to resynchronize by looking for a certain optional start code (from 0 to 1)

avi AVOptions:
-use_odml          <int>        .D.... use odml index (from -1 to 1)

Binary text demuxer AVOptions:
-linespeed         <int>        .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
-video_size        <string>     .D.... set video size, such as 640x480 or hd720.
-framerate         <string>     .D.... set framerate (frames per second)

cavsvideo demuxer AVOptions:
-framerate         <string>     .D.... 

CDXL demuxer AVOptions:
-sample_rate       <int>        .D....  (from 1 to INT_MAX)
-framerate         <string>     .D.... 

concat demuxer AVOptions:
-safe              <int>        .D.... enable safe mode (from -1 to 1)

dirac demuxer AVOptions:
-framerate         <string>     .D.... 

dnxhd demuxer AVOptions:
-framerate         <string>     .D.... 

flvdec AVOptions:
-flv_metadata      <int>        .D.V.. Allocate streams according the onMetaData array (from 0 to 1)

g729 demuxer AVOptions:
-bit_rate          <int>        .D....  (from 0 to INT_MAX)

GIF demuxer AVOptions:
-min_delay         <int>        .D.... minimum valid delay between frames (in hundredths of second) (from 0 to 6000)
-default_delay     <int>        .D.... default delay between frames (in hundredths of second) (from 0 to 6000)

gsm demuxer AVOptions:
-sample_rate       <int>        .D....  (from 1 to 6.50753e+07)

h261 demuxer AVOptions:
-framerate         <string>     .D.... 

h263 demuxer AVOptions:
-framerate         <string>     .D.... 

h264 demuxer AVOptions:
-framerate         <string>     .D.... 

iCE Draw File demuxer AVOptions:
-linespeed         <int>        .D.... set simulated line speed (bytes per second) (from 1 to INT_MAX)
-video_size        <string>     .D.... set video size, such as 640x480 or hd720.
-framerate         <string>     .D.... set framerate (frames per second)

image2 demuxer AVOptions:
-framerate         <string>     .D.... set the video framerate
-loop              <int>        .D.... force loop over input file sequence (from 0 to 1)
-pattern_type      <int>        .D.... set pattern type (from 0 to INT_MAX)
   glob_sequence                .D.... select glob/sequence pattern type
   glob                         .D.... select glob pattern type
   sequence                     .D.... select sequence pattern type
-pixel_format      <string>     .D.... set video pixel format
-start_number      <int>        .D.... set first number in the sequence (from 0 to INT_MAX)
-start_number_range <int>        .D.... set range for looking at the first sequence number (from 1 to INT_MAX)
-video_size        <string>     .D.... set video size
-frame_size        <int>        .D.... force frame size in bytes (from 0 to INT_MAX)

image2pipe demuxer AVOptions:
-framerate         <string>     .D.... set the video framerate
-loop              <int>        .D.... force loop over input file sequence (from 0 to 1)
-pattern_type      <int>        .D.... set pattern type (from 0 to INT_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)
-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)

sdl outdev AVOptions:

AIFF muxer AVOptions:

AST muxer AVOptions:

f4v muxer AVOptions:

GIF muxer AVOptions:

hls muxer AVOptions:

image2 muxer AVOptions:

ipod muxer AVOptions:

ismv muxer AVOptions:

LATM/LOAS muxer AVOptions:

mov muxer AVOptions:

MP3 muxer AVOptions:

mp4 muxer AVOptions:

mpeg muxer AVOptions:

vcd muxer AVOptions:

dvd muxer AVOptions:

svcd muxer AVOptions:

vob muxer AVOptions:

MPEGTS muxer AVOptions:

Ogg muxer AVOptions:

psp muxer AVOptions:

RTP muxer AVOptions:

RTSP muxer AVOptions:
-initial_pause     <int>        .D.... Don't start playing the stream immediately (from 0 to 1)
-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:

stream_segment muxer AVOptions:

smooth streaming muxer AVOptions:

spdif AVOptions:

tg2 muxer AVOptions:

tgp muxer AVOptions:

WAV muxer AVOptions:

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)

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)

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)

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+06)
-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)

blackdetect AVOptions:
-d                 <double>     ..FV.. set minimum detected black duration in seconds (from 0 to 1.79769e+308)
-black_min_duration <double>     ..FV.. set minimum detected black duration in seconds (from 0 to 1.79769e+308)
-picture_black_ratio_th <double>     ..FV.. set the picture black ratio threshold (from 0 to 1)
-pic_th            <double>     ..FV.. set the picture black ratio threshold (from 0 to 1)
-pixel_black_th    <double>     ..FV.. set the pixel black threshold (from 0 to 1)
-pix_th            <double>     ..FV.. set the pixel black threshold (from 0 to 1)

blend AVOptions:
-c0_mode           <int>        ..FV.. set component #0 blend mode (from 0 to 23)
   addition                     ..FV.. 
   and                          ..FV.. 
   average                      ..FV.. 
   burn                         ..FV.. 
   darken                       ..FV.. 
   difference                   ..FV.. 
   divide                       ..FV.. 
   dodge                        ..FV.. 
   exclusion                    ..FV.. 
   hardlight                    ..FV.. 
   lighten                      ..FV.. 
   multiply                     ..FV.. 
   negation                     ..FV.. 
   normal                       ..FV.. 
   or                           ..FV.. 
   overlay                      ..FV.. 
   phoenix                      ..FV.. 
   pinlight                     ..FV.. 
   reflect                      ..FV.. 
   screen                       ..FV.. 
   softlight                    ..FV.. 
   subtract                     ..FV.. 
   vividlight                   ..FV.. 
   xor                          ..FV.. 
-c1_mode           <int>        ..FV.. set component #1 blend mode (from 0 to 23)
   addition                     ..FV.. 
   and                          ..FV.. 
   average                      ..FV.. 
   burn                         ..FV.. 
   darken                       ..FV.. 
   difference                   ..FV.. 
   divide                       ..FV.. 
   dodge                        ..FV.. 
   exclusion                    ..FV.. 
   hardlight                    ..FV.. 
   lighten                      ..FV.. 
   multiply                     ..FV.. 
   negation                     ..FV.. 
   normal                       ..FV.. 
   or                           ..FV.. 
   overlay                      ..FV.. 
   phoenix                      ..FV.. 
   pinlight                     ..FV.. 
   reflect                      ..FV.. 
   screen                       ..FV.. 
   softlight                    ..FV.. 
   subtract                     ..FV.. 
   vividlight                   ..FV.. 
   xor                          ..FV.. 
-c2_mode           <int>        ..FV.. set component #2 blend mode (from 0 to 23)
   addition                     ..FV.. 
   and                          ..FV.. 
   average                      ..FV.. 
   burn                         ..FV.. 
   darken                       ..FV.. 
   difference                   ..FV.. 
   divide                       ..FV.. 
   dodge                        ..FV.. 
   exclusion                    ..FV.. 
   hardlight                    ..FV.. 
   lighten                      ..FV.. 
   multiply                     ..FV.. 
   negation                     ..FV.. 
   normal                       ..FV.. 
   or                           ..FV.. 
   overlay                      ..FV.. 
   phoenix                      ..FV.. 
   pinlight                     ..FV.. 
   reflect                      ..FV.. 
   screen                       ..FV.. 
   softlight                    ..FV.. 
   subtract                     ..FV.. 
   vividlight                   ..FV.. 
   xor                          ..FV.. 
-c3_mode           <int>        ..FV.. set component #3 blend mode (from 0 to 23)
   addition                     ..FV.. 
   and                          ..FV.. 
   average                      ..FV.. 
   burn                         ..FV.. 
   darken                       ..FV.. 
   difference                   ..FV.. 
   divide                       ..FV.. 
   dodge                        ..FV.. 
   exclusion                    ..FV.. 
   hardlight                    ..FV.. 
   lighten                      ..FV.. 
   multiply                     ..FV.. 
   negation                     ..FV.. 
   normal                       ..FV.. 
   or                           ..FV.. 
   overlay                      ..FV.. 
   phoenix                      ..FV.. 
   pinlight                     ..FV.. 
   reflect                      ..FV.. 
   screen                       ..FV.. 
   softlight                    ..FV.. 
   subtract                     ..FV.. 
   vividlight                   ..FV.. 
   xor                          ..FV.. 
-all_mode          <int>        ..FV.. set blend mode for all components (from -1 to 23)
   addition                     ..FV.. 
   and                          ..FV.. 
   average                      ..FV.. 
   burn                         ..FV.. 
   darken                       ..FV.. 
   difference                   ..FV.. 
   divide                       ..FV.. 
   dodge                        ..FV.. 
   exclusion                    ..FV.. 
   hardlight                    ..FV.. 
   lighten                      ..FV.. 
   multiply                     ..FV.. 
   negation                     ..FV.. 
   normal                       ..FV.. 
   or                           ..FV.. 
   overlay                      ..FV.. 
   phoenix                      ..FV.. 
   pinlight                     ..FV.. 
   reflect                      ..FV.. 
   screen                       ..FV.. 
   softlight                    ..FV.. 
   subtract                     ..FV.. 
   vividlight                   ..FV.. 
   xor                          ..FV.. 
-c0_expr           <string>     ..FV.. set color component #0 expression
-c1_expr           <string>     ..FV.. set color component #1 expression
-c2_expr           <string>     ..FV.. set color component #2 expression
-c3_expr           <string>     ..FV.. set color component #3 expression
-all_expr          <string>     ..FV.. set expression for all color components
-c0_opacity        <double>     ..FV.. set color component #0 opacity (from 0 to 1)
-c1_opacity        <double>     ..FV.. set color component #1 opacity (from 0 to 1)
-c2_opacity        <double>     ..FV.. set color component #2 opacity (from 0 to 1)
-c3_opacity        <double>     ..FV.. set color component #3 opacity (from 0 to 1)
-all_opacity       <double>     ..FV.. set opacity for all color components (from 0 to 1)

boxblur AVOptions:
-luma_radius       <string>     ..FV.. set luma radius
-lr                <string>     ..FV.. set luma radius
-luma_power        <int>        ..FV.. set luma power (from 0 to INT_MAX)
-lp                <int>        ..FV.. set luma power (from 0 to INT_MAX)
-chroma_radius     <string>     ..FV.. set chroma radius
-cr                <string>     ..FV.. set chroma radius
-chroma_power      <int>        ..FV.. set chroma power (from -1 to INT_MAX)
-cp                <int>        ..FV.. set chroma power (from -1 to INT_MAX)
-alpha_radius      <string>     ..FV.. set alpha radius
-ar                <string>     ..FV.. set alpha radius
-alpha_power       <int>        ..FV.. set alpha power (from -1 to INT_MAX)
-ap                <int>        ..FV.. set alpha power (from -1 to INT_MAX)

crop AVOptions:
-x                 <string>     ..FV.. set the x crop area expression
-y                 <string>     ..FV.. set the y crop area expression
-out_w             <string>     ..FV.. set the width crop area expression
-w                 <string>     ..FV.. set the width crop area expression
-out_h             <string>     ..FV.. set the height crop area expression
-h                 <string>     ..FV.. set the height crop area expression
-keep_aspect       <int>        ..FV.. keep aspect ratio (from 0 to 1)

decimate AVOptions:
-max               <int>        ..FV.. set the maximum number of consecutive dropped frames (positive), or the minimum interval between dropped frames (negative) (from INT_MIN to INT_MAX)
-hi                <int>        ..FV.. set high dropping threshold (from INT_MIN to INT_MAX)
-lo                <int>        ..FV.. set low dropping threshold (from INT_MIN to INT_MAX)
-frac              <float>      ..FV.. set fraction dropping threshold (from 0 to 1)

delogo AVOptions:
-x                 <int>        ..FV.. set logo x position (from -1 to INT_MAX)
-y                 <int>        ..FV.. set logo y position (from -1 to INT_MAX)
-w                 <int>        ..FV.. set logo width (from -1 to INT_MAX)
-h                 <int>        ..FV.. set logo height (from -1 to INT_MAX)
-band              <int>        ..FV.. set delogo area band size (from -1 to INT_MAX)
-t                 <int>        ..FV.. set delogo area band size (from -1 to INT_MAX)
-show              <int>        ..FV.. show delogo area (from 0 to 1)

deshake AVOptions:
-x                 <int>        ..FV.. set x for the rectangular search area (from -1 to INT_MAX)
-y                 <int>        ..FV.. set y for the rectangular search area (from -1 to INT_MAX)
-w                 <int>        ..FV.. set width for the rectangular search area (from -1 to INT_MAX)
-h                 <int>        ..FV.. set height for the rectangular search area (from -1 to INT_MAX)
-rx                <int>        ..FV.. set x for the rectangular search area (from 0 to 64)
-ry                <int>        ..FV.. set y for the rectangular search area (from 0 to 64)
-edge              <int>        ..FV.. set edge mode (from 0 to 3)
   blank                        ..FV.. fill zeroes at blank locations
   original                     ..FV.. original image at blank locations
   clamp                        ..FV.. extruded edge value at blank locations
   mirror                       ..FV.. mirrored edge at blank locations
-blocksize         <int>        ..FV.. set motion search blocksize (from 4 to 128)
-contrast          <int>        ..FV.. set contrast threshold for blocks (from 1 to 255)
-search            <int>        ..FV.. set search strategy (from 0 to 1)
   exhaustive                   ..FV.. exhaustive search
   less                         ..FV.. less exhaustive search
-filename          <string>     ..FV.. set motion search detailed log file name

drawbox AVOptions:
-x                 <int>        ..FV.. set the box 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)

edgedetect AVOptions:
-high              <double>     ..FV.. set high threshold (from 0 to 1)
-low               <double>     ..FV.. set low threshold (from 0 to 1)

fade AVOptions:
-type              <string>     ..FV.. set the fade direction
-t                 <string>     ..FV.. set the fade direction
-start_frame       <int>        ..FV.. set expression of frame to start fading (from 0 to INT_MAX)
-s                 <int>        ..FV.. set expression of frame to start fading (from 0 to INT_MAX)
-nb_frames         <int>        ..FV.. set expression for fade duration in frames (from 0 to INT_MAX)
-n                 <int>        ..FV.. set expression for fade duration in frames (from 0 to INT_MAX)
-alpha             <int>        ..FV.. fade alpha if it is available on the input (from 0 to 1)

field AVOptions:
-type              <int>        ..FV.. set field type (top or bottom) (from 0 to 1)
   top                          ..FV.. select top field
   bottom                       ..FV.. select bottom field

fps AVOptions:
-fps               <string>     ..FV.. A string describing desired output framerate
-round             <int>        ..FV.. set rounding method for timestamps (from 0 to 5)
   zero                         ..FV.. round towards 0
   inf                          ..FV.. round away from 0
   down                         ..FV.. round towards -infty
   up                           ..FV.. round towards +infty
   near                         ..FV.. round to nearest

geq AVOptions:
-lum_expr          <string>     ..FV.. set luminance expression
-cb_expr           <string>     ..FV.. set chroma blue expression
-cr_expr           <string>     ..FV.. set chroma red expression
-alpha_expr        <string>     ..FV.. set alpha expression

gradfun AVOptions:
-strength          <double>     ..FV.. set the maximum amount by which the filter will change any one pixel (from 0.51 to 64)
-radius            <int>        ..FV.. set the neighborhood to fit the gradient to (from 4 to 32)

histeq AVOptions:
-strength          <float>      ..FV.. set the strength (from 0 to 1)
-intensity         <float>      ..FV.. set the intensity (from 0 to 1)
-antibanding       <int>        ..FV.. set the antibanding level (from 0 to 2)
   none                         ..FV.. apply no antibanding
   weak                         ..FV.. apply weak antibanding
   strong                       ..FV.. apply strong antibanding

histogram AVOptions:
-mode              <int>        ..FV.. set histogram mode (from 0 to 3)
   levels                       ..FV.. standard histogram
   waveform                     ..FV.. per row/column luminance graph
   color                        ..FV.. chroma values in vectorscope
   color2                       ..FV.. chroma values in vectorscope
-level_height      <int>        ..FV.. set level height (from 50 to 2048)
-scale_height      <int>        ..FV.. set scale height (from 0 to 40)
-step              <int>        ..FV.. set waveform step value (from 1 to 255)
-waveform_mode     <int>        ..FV.. set waveform mode (from 0 to 1)
   row                          ..FV..
   column                       ..FV..
-display_mode      <int>        ..FV.. set display mode (from 0 to 1)
   parade                       ..FV..
   overlay                      ..FV..

hue AVOptions:
-h                 <string>     ..FV.. set the hue angle degrees expression
-H                 <string>     ..FV.. set the hue angle radians expression
-s                 <string>     ..FV.. set the saturation expression

idet AVOptions:
-intl_thres        <float>      ..FV.. set interlacing threshold (from -1 to FLT_MAX)
-prog_thres        <float>      ..FV.. set progressive threshold (from -1 to FLT_MAX)

il AVOptions:
-luma_mode         <int>        ..FV.. select luma mode (from 0 to 2)
   none                         ..FV..
   interleave                   ..FV..
   i                            ..FV..
   deinterleave                 ..FV..
   d                            ..FV..
-l                 <int>        ..FV.. select luma mode (from 0 to 2)
   none                         ..FV..
   interleave                   ..FV..
   i                            ..FV..
   deinterleave                 ..FV..
   d                            ..FV..
-chroma_mode       <int>        ..FV.. select chroma mode (from 0 to 2)
   none                         ..FV..
   interleave                   ..FV..
   i                            ..FV..
   deinterleave                 ..FV..
   d                            ..FV..
-c                 <int>        ..FV.. select chroma mode (from 0 to 2)
   none                         ..FV..
   interleave                   ..FV..
   i                            ..FV..
   deinterleave                 ..FV..
   d                            ..FV..
-alpha_mode        <int>        ..FV.. select alpha mode (from 0 to 2)
   none                         ..FV..
   interleave                   ..FV..
   i                            ..FV..
   deinterleave                 ..FV..
   d                            ..FV..
-a                 <int>        ..FV.. select alpha mode (from 0 to 2)
   none                         ..FV..
   interleave                   ..FV..
   i                            ..FV..
   deinterleave                 ..FV..
   d                            ..FV..
-luma_swap         <int>        ..FV.. swap luma fields (from 0 to 1)
-ls                <int>        ..FV.. swap luma fields (from 0 to 1)
-chroma_swap       <int>        ..FV.. swap chroma fields (from 0 to 1)
-cs                <int>        ..FV.. swap chroma fields (from 0 to 1)
-alpha_swap        <int>        ..FV.. swap alpha fields (from 0 to 1)
-as                <int>        ..FV.. swap alpha fields (from 0 to 1)

kerndeint AVOptions:
-thresh            <int>        ..FV.. set the threshold (from 0 to 255)
-map               <int>        ..FV.. set the map (from 0 to 1)
-order             <int>        ..FV.. set the order (from 0 to 1)
-sharp             <int>        ..FV.. enable sharpening (from 0 to 1)
-twoway            <int>        ..FV.. enable twoway (from 0 to 1)

lut AVOptions:
-c0                <string>     ..FV.. set component #0 expression
-c1                <string>     ..FV.. set component #1 expression
-c2                <string>     ..FV.. set component #2 expression
-c3                <string>     ..FV.. set component #3 expression
-y                 <string>     ..FV.. set Y expression
-u                 <string>     ..FV.. set U expression
-v                 <string>     ..FV.. set V expression
-r                 <string>     ..FV.. set R expression
-g                 <string>     ..FV.. set G expression
-b                 <string>     ..FV.. set B expression
-a                 <string>     ..FV.. set A expression

lutrgb AVOptions:
-c0                <string>     ..FV.. set component #0 expression
-c1                <string>     ..FV.. set component #1 expression
-c2                <string>     ..FV.. set component #2 expression
-c3                <string>     ..FV.. set component #3 expression
-y                 <string>     ..FV.. set Y expression
-u                 <string>     ..FV.. set U expression
-v                 <string>     ..FV.. set V expression
-r                 <string>     ..FV.. set R expression
-g                 <string>     ..FV.. set G expression
-b                 <string>     ..FV.. set B expression
-a                 <string>     ..FV.. set A expression

lutyuv AVOptions:
-c0                <string>     ..FV.. set component #0 expression
-c1                <string>     ..FV.. set component #1 expression
-c2                <string>     ..FV.. set component #2 expression
-c3                <string>     ..FV.. set component #3 expression
-y                 <string>     ..FV.. set Y expression
-u                 <string>     ..FV.. set U expression
-v                 <string>     ..FV.. set V expression
-r                 <string>     ..FV.. set R expression
-g                 <string>     ..FV.. set G expression
-b                 <string>     ..FV.. set B expression
-a                 <string>     ..FV.. set A expression

negate AVOptions:
-c0                <string>     ..FV.. set component #0 expression
-c1                <string>     ..FV.. set component #1 expression
-c2                <string>     ..FV.. set component #2 expression
-c3                <string>     ..FV.. set component #3 expression
-y                 <string>     ..FV.. set Y expression
-u                 <string>     ..FV.. set U expression
-v                 <string>     ..FV.. set V expression
-r                 <string>     ..FV.. set R expression
-g                 <string>     ..FV.. set G expression
-b                 <string>     ..FV.. set B expression
-a                 <string>     ..FV.. set A expression

noise AVOptions:
-all_seed          <int>        ..FV.. set component #0 noise seed (from -1 to INT_MAX)
-all_strength      <int>        ..FV.. set component #0 strength (from 0 to 100)
-alls              <int>        ..FV.. set component #0 strength (from 0 to 100)
-all_flags         <flags>      ..FV.. set component #0 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-allf              <flags>      ..FV.. set component #0 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c0_seed           <int>        ..FV.. set component #0 noise seed (from -1 to INT_MAX)
-c0_strength       <int>        ..FV.. set component #0 strength (from 0 to 100)
-c0s               <int>        ..FV.. set component #0 strength (from 0 to 100)
-c0_flags          <flags>      ..FV.. set component #0 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c0f               <flags>      ..FV.. set component #0 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c1_seed           <int>        ..FV.. set component #1 noise seed (from -1 to INT_MAX)
-c1_strength       <int>        ..FV.. set component #1 strength (from 0 to 100)
-c1s               <int>        ..FV.. set component #1 strength (from 0 to 100)
-c1_flags          <flags>      ..FV.. set component #1 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c1f               <flags>      ..FV.. set component #1 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c2_seed           <int>        ..FV.. set component #2 noise seed (from -1 to INT_MAX)
-c2_strength       <int>        ..FV.. set component #2 strength (from 0 to 100)
-c2s               <int>        ..FV.. set component #2 strength (from 0 to 100)
-c2_flags          <flags>      ..FV.. set component #2 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c2f               <flags>      ..FV.. set component #2 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c3_seed           <int>        ..FV.. set component #3 noise seed (from -1 to INT_MAX)
-c3_strength       <int>        ..FV.. set component #3 strength (from 0 to 100)
-c3s               <int>        ..FV.. set component #3 strength (from 0 to 100)
-c3_flags          <flags>      ..FV.. set component #3 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise
-c3f               <flags>      ..FV.. set component #3 flags
   a                            ..FV.. averaged noise
   p                            ..FV.. (semi)regular pattern
   q                            ..FV.. high quality
   t                            ..FV.. temporal noise
   u                            ..FV.. uniform noise

overlay AVOptions:
-x                 <string>     ..FV.. set the x expression
-y                 <string>     ..FV.. set the y expression
-rgb               <int>        ..FV.. force packed RGB in input and output (deprecated) (from 0 to 1)
-shortest          <int>        ..FV.. force termination when the shortest input terminates (from 0 to 1)
-format            <int>        ..FV.. set output format (from 0 to 2)
   yuv420                       ..FV.. 
   yuv444                       ..FV.. 
   rgb                          ..FV.. 

pad AVOptions:
-width             <string>     ..FV.. set the pad area width expression
-w                 <string>     ..FV.. set the pad area width expression
-height            <string>     ..FV.. set the pad area height expression
-h                 <string>     ..FV.. set the pad area height expression
-x                 <string>     ..FV.. set the x offset expression for the input image position
-y                 <string>     ..FV.. set the y offset expression for the input image position
-color             <string>     ..FV.. set the color of the padded area border

scale AVOptions:
-w                 <string>     ..FV.. set width expression
-width             <string>     ..FV.. set width expression
-h                 <string>     ..FV.. set height expression
-height            <string>     ..FV.. set height expression
-flags             <string>     ..FV.. set libswscale flags
-interl            <int>        ..FV.. set interlacing (from -1 to 1)

select AVOptions:
-expr              <string>     ..F... set selection expression
-e                 <string>     ..F... set selection expression

sendcmd AVOptions:
-commands          <string>     ..F... set commands
-c                 <string>     ..F... set commands
-filename          <string>     ..F... set commands file
-f                 <string>     ..F... set commands file

setdar AVOptions:
-max               <int>        ..FV.. set max value for nominator or denominator in the ratio (from 1 to INT_MAX)
-ratio             <string>     ..FV.. set ratio
-r                 <string>     ..FV.. set ratio

setfield AVOptions:
-mode              <int>        ..FV.. select interlace mode (from -1 to 2)
   auto                         ..FV.. keep the same input field
   bff                          ..FV.. mark as 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

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

tile AVOptions:
-layout            <image_size> ..FV.. set grid size
-margin            <int>        ..FV.. set outer border margin in pixels (from 0 to 1024)
-padding           <int>        ..FV.. set inner border thickness in pixels (from 0 to 1024)
-nb_frames         <int>        ..FV.. set maximum number of frame to render (from 0 to INT_MAX)

tinterlace AVOptions:
-mode              <int>        ..FV.. select interlace mode (from 0 to 6)
   merge                        ..FV.. merge fields
   drop_even                    ..FV.. drop even fields
   drop_odd                     ..FV.. drop odd fields
   pad                          ..FV.. pad alternate lines with black
   interleave_top               ..FV.. interleave top and bottom fields
   interleave_bottom              ..FV.. interleave bottom and top fields
   interlacex2                  ..FV.. interlace fields from two consecutive frames

transpose AVOptions:
-dir               <int>        ..FV.. set transpose direction (from 0 to 7)
-passthrough       <int>        ..FV.. do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX)
   none                         ..FV.. always apply transposition
   portrait                     ..FV.. preserve portrait geometry
   landscape                    ..FV.. preserve landscape geometry

unsharp AVOptions:

yadif AVOptions:
-mode              <int>        ..FV.. specify the interlacing mode (from 0 to 3)
   send_frame                   ..FV.. send one frame for each frame
   send_field                   ..FV.. send one frame for each field
   send_frame_nospatial              ..FV.. send one frame for each frame, but skip spatial interlacing check
   send_field_nospatial              ..FV.. send one frame for each field, but skip spatial interlacing check
-parity            <int>        ..FV.. specify the assumed picture field parity (from -1 to 1)
   tff                          ..FV.. assume top field first
   bff                          ..FV.. assume bottom field first
   auto                         ..FV.. auto detect parity
-deint             <int>        ..FV.. specify which frames to deinterlace (from 0 to 1)
   all                          ..FV.. deinterlace all frames
   interlaced                   ..FV.. only deinterlace frames marked as interlaced

cellauto AVOptions:
-filename          <string>     ..FV.. read initial pattern from file
-f                 <string>     ..FV.. read initial pattern from file
-pattern           <string>     ..FV.. set initial pattern
-p                 <string>     ..FV.. set initial pattern
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rule              <int>        ..FV.. set rule (from 0 to 255)
-random_fill_ratio <double>     ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
-ratio             <double>     ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
-random_seed       <int>        ..FV.. set the seed for filling the initial grid randomly (from -1 to 4.29497e+09)
-seed              <int>        ..FV.. set the seed for filling the initial grid randomly (from -1 to 4.29497e+09)
-scroll            <int>        ..FV.. scroll pattern downward (from 0 to 1)
-start_full        <int>        ..FV.. start filling the whole video (from 0 to 1)
-full              <int>        ..FV.. start filling the whole video (from 0 to 1)
-stitch            <int>        ..FV.. stitch boundaries (from 0 to 1)

color AVOptions:
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-duration          <string>     ..FV.. set video duration
-d                 <string>     ..FV.. set video duration
-sar               <rational>   ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
-color             <string>     ..FV.. set color
-c                 <string>     ..FV.. set color
-decimals          <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
-n                 <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)

life AVOptions:
-filename          <string>     ..FV.. set source file
-f                 <string>     ..FV.. set source file
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-rule              <string>     ..FV.. set rule
-random_fill_ratio <double>     ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
-ratio             <double>     ..FV.. set fill ratio for filling initial grid randomly (from 0 to 1)
-random_seed       <int>        ..FV.. set the seed for filling the initial grid randomly (from -1 to 4.29497e+09)
-seed              <int>        ..FV.. set the seed for filling the initial grid randomly (from -1 to 4.29497e+09)
-stitch            <int>        ..FV.. stitch boundaries (from 0 to 1)
-mold              <int>        ..FV.. set mold speed for dead cells (from 0 to 255)
-life_color        <string>     ..FV.. set life color
-death_color       <string>     ..FV.. set death color
-mold_color        <string>     ..FV.. set mold color

mandelbrot AVOptions:
-size              <image_size> ..FV.. set frame size
-s                 <image_size> ..FV.. set frame size
-rate              <string>     ..FV.. set frame rate
-r                 <string>     ..FV.. set frame rate
-maxiter           <int>        ..FV.. set max iterations number (from 1 to INT_MAX)
-start_x           <double>     ..FV.. set the initial x position (from -100 to 100)
-start_y           <double>     ..FV.. set the initial y position (from -100 to 100)
-start_scale       <double>     ..FV.. set the initial scale value (from 0 to FLT_MAX)
-end_scale         <double>     ..FV.. set the terminal scale value (from 0 to FLT_MAX)
-end_pts           <double>     ..FV.. set the terminal pts value (from 0 to I64_MAX)
-bailout           <double>     ..FV.. set the bailout value (from 0 to FLT_MAX)
-outer             <int>        ..FV.. set outer coloring mode (from 0 to INT_MAX)
   iteration_count              ..FV.. set iteration count mode
   normalized_iteration_count              ..FV.. set normalized iteration count mode
-inner             <int>        ..FV.. set inner coloring mode (from 0 to INT_MAX)
   black                        ..FV.. set black mode
   period                       ..FV.. set period mode
   convergence                  ..FV.. show time until convergence
   mincol                       ..FV.. color based on point closest to the origin of the iterations

mptestsrc AVOptions:
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-duration          <string>     ..FV.. set video duration
-d                 <string>     ..FV.. set video duration
-test              <int>        ..FV.. set test to perform (from 0 to INT_MAX)
   dc_luma                      ..FV.. 
   dc_chroma                    ..FV.. 
   freq_luma                    ..FV.. 
   freq_chroma                  ..FV.. 
   amp_luma                     ..FV.. 
   amp_chroma                   ..FV.. 
   cbp                          ..FV.. 
   mv                           ..FV.. 
   ring1                        ..FV.. 
   ring2                        ..FV.. 
   all                          ..FV.. 
-t                 <int>        ..FV.. set test to perform (from 0 to INT_MAX)
   dc_luma                      ..FV.. 
   dc_chroma                    ..FV.. 
   freq_luma                    ..FV.. 
   freq_chroma                  ..FV.. 
   amp_luma                     ..FV.. 
   amp_chroma                   ..FV.. 
   cbp                          ..FV.. 
   mv                           ..FV.. 
   ring1                        ..FV.. 
   ring2                        ..FV.. 
   all                          ..FV.. 

nullsrc AVOptions:
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-duration          <string>     ..FV.. set video duration
-d                 <string>     ..FV.. set video duration
-sar               <rational>   ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
-color             <string>     ..FV.. set color
-c                 <string>     ..FV.. set color
-decimals          <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
-n                 <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)

rgbtestsrc AVOptions:
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-duration          <string>     ..FV.. set video duration
-d                 <string>     ..FV.. set video duration
-sar               <rational>   ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
-color             <string>     ..FV.. set color
-c                 <string>     ..FV.. set color
-decimals          <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
-n                 <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)

smptebars AVOptions:
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-duration          <string>     ..FV.. set video duration
-d                 <string>     ..FV.. set video duration
-sar               <rational>   ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
-color             <string>     ..FV.. set color
-c                 <string>     ..FV.. set color
-decimals          <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
-n                 <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)

testsrc AVOptions:
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-duration          <string>     ..FV.. set video duration
-d                 <string>     ..FV.. set video duration
-sar               <rational>   ..FV.. set video sample aspect ratio (from 0 to INT_MAX)
-color             <string>     ..FV.. set color
-c                 <string>     ..FV.. set color
-decimals          <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)
-n                 <int>        ..FV.. set number of decimals to show (from INT_MIN to INT_MAX)

concat AVOptions:
-n                 <int>        ..FVA. specify the number of segments (from 2 to INT_MAX)
-v                 <int>        ..FV.. specify the number of video streams (from 0 to INT_MAX)
-a                 <int>        ..F.A. specify the number of audio streams (from 0 to INT_MAX)
-unsafe            <int>        ..F.A. enable unsafe mode (from 0 to INT_MAX)

showspectrum AVOptions:
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-slide             <int>        ..FV.. set sliding mode (from 0 to 1)
-mode              <int>        ..FV.. set channel display mode (from 0 to 1)
   combined                     ..FV.. combined mode
   separate                     ..FV.. separate mode
-color             <int>        ..FV.. set channel coloring (from 0 to 1)
   channel                      ..FV.. separate color for each channel
   intensity                    ..FV.. intensity based coloring
-scale             <int>        ..FV.. set display scale (from 0 to 3)
   sqrt                         ..FV.. square root
   cbrt                         ..FV.. cubic root
   log                          ..FV.. logarithmic
   lin                          ..FV.. linear
-saturation        <float>      ..FV.. color saturation multiplier (from -10 to 10)

showwaves AVOptions:
-rate              <string>     ..FV.. set video rate
-r                 <string>     ..FV.. set video rate
-size              <image_size> ..FV.. set video size
-s                 <image_size> ..FV.. set video size
-n                 <int>        ..FV.. set how many samples to show in the same point (from 0 to INT_MAX)
-mode              <int>        ..FV.. select display mode (from 0 to 1)
   point                        ..FV.. draw a point for each sample
   line                         ..FV.. draw a line for each sample

amovie AVOptions:
-format_name       <string>     ..F... set format name
-f                 <string>     ..F... set format name
-streams           <string>     ..F... set streams
-s                 <string>     ..F... set streams
-si                <int>        ..F... set stream index (from -1 to INT_MAX)
-stream_index      <int>        ..F... set stream index (from -1 to INT_MAX)
-seek_point        <double>     ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
-sp                <double>     ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
-loop              <int>        ..F... set loop count (from 0 to INT_MAX)

movie AVOptions:
-format_name       <string>     ..F... set format name
-f                 <string>     ..F... set format name
-streams           <string>     ..F... set streams
-s                 <string>     ..F... set streams
-si                <int>        ..F... set stream index (from -1 to INT_MAX)
-stream_index      <int>        ..F... set stream index (from -1 to INT_MAX)
-seek_point        <double>     ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
-sp                <double>     ..F... set seekpoint (seconds) (from 0 to 9.22337e+12)
-loop              <int>        ..F... set loop count (from 0 to INT_MAX)

abuffer AVOptions:
-time_base         <rational>   ..F.A. (from 0 to INT_MAX)
-sample_rate       <int>        ..F.A. (from 0 to INT_MAX)
-sample_fmt        <string>     ..F.A.
-channels          <int>        ..F.A. (from 0 to INT_MAX)
-channel_layout    <string>     ..F.A.

buffer AVOptions:
-time_base         <rational>   ..FV.. (from 0 to INT_MAX)
-frame_rate        <rational>   ..FV.. (from 0 to INT_MAX)
-video_size        <image_size> ..FV..
-pix_fmt           <pix_fmt>    ..FV..
-pixel_aspect      <rational>   ..FV.. (from 0 to INT_MAX)
-sws_param         <string>     ..FV..


While playing:
q, ESC              quit
f                   toggle full screen
p, SPC              pause
a                   cycle audio channel
v                   cycle video channel
t                   cycle subtitle channel
w                   show audio waves
s                   activate frame-step mode
left/right          seek backward/forward 10 seconds
down/up             seek backward/forward 1 minute
page down/page up   seek backward/forward 10 minutes
mouse click         seek to percentage in file corresponding to fraction of width
