Muxer f4v [F4V Adobe Flash Video]:
    Common extensions: f4v.
    Mime type: application/f4v.
    Default video codec: h264.
    Default audio codec: aac.
f4v muxer AVOptions:
  -movflags          <flags>      E......... MOV muxer flags (default 0)
     rtphint                      E......... Add RTP hint tracks
     empty_moov                   E......... Make the initial moov atom empty
     frag_keyframe                E......... Fragment at video keyframes
     frag_every_frame              E......... Fragment at every frame
     separate_moof                E......... Write separate moof/mdat atoms for each track
     frag_custom                  E......... Flush fragments on caller requests
     isml                         E......... Create a live smooth streaming feed (for pushing to a publishing point)
     faststart                    E......... Run a second pass to put the index (moov atom) at the beginning of the file
     omit_tfhd_offset              E......... Omit the base data offset in tfhd atoms
     disable_chpl                 E......... Disable Nero chapter atom
     default_base_moof              E......... Set the default-base-is-moof flag in tfhd atoms
     dash                         E......... Write DASH compatible fragmented MP4
     cmaf                         E......... Write CMAF compatible fragmented MP4
     frag_discont                 E......... Signal that the next fragment is discontinuous from earlier ones
     delay_moov                   E......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
     global_sidx                  E......... Write a global sidx index at the start of the file
     skip_sidx                    E......... Skip writing of sidx atom
     write_colr                   E......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
     prefer_icc                   E......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
     write_gama                   E......... Write deprecated gama atom
     use_metadata_tags              E......... Use mdta atom for metadata.
     skip_trailer                 E......... Skip writing the mfra/tfra/mfro trailer for fragmented files
     negative_cts_offsets              E......... Use negative CTS offsets (reducing the need for edit lists)
  -moov_size         <int>        E......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
  -rtpflags          <flags>      E......... RTP muxer flags (default 0)
     latm                         E......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
     rfc2190                      E......... Use RFC 2190 packetization instead of RFC 4629 for H.263
     skip_rtcp                    E......... Don't send RTCP sender reports
     h264_mode0                   E......... Use mode 0 for H.264 in RTP
     send_bye                     E......... Send RTCP BYE packets when finishing
  -skip_iods         <boolean>    E......... Skip writing iods atom. (default true)
  -iods_audio_profile <int>        E......... iods audio profile atom. (from -1 to 255) (default -1)
  -iods_video_profile <int>        E......... iods video profile atom. (from -1 to 255) (default -1)
  -frag_duration     <int>        E......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
  -min_frag_duration <int>        E......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
  -frag_size         <int>        E......... Maximum fragment size (from 0 to INT_MAX) (default 0)
  -ism_lookahead     <int>        E......... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
  -video_track_timescale <int>        E......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
  -brand             <string>     E......... Override major brand
  -use_editlist      <boolean>    E......... use edit list (default auto)
  -fragment_index    <int>        E......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
  -mov_gamma         <float>      E......... gamma value for gama atom (from 0 to 10) (default 0)
  -frag_interleave   <int>        E......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
  -encryption_scheme <string>     E......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
  -encryption_key    <binary>     E......... The media encryption key (hex)
  -encryption_kid    <binary>     E......... The media encryption key identifier (hex)
  -use_stream_ids_as_track_ids <boolean>    E......... use stream ids as track ids (default false)
  -write_tmcd        <boolean>    E......... force or disable writing tmcd (default auto)
  -write_prft        <int>        E......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
     wallclock       1            E.........
     pts             2            E.........
  -empty_hdlr_name   <boolean>    E......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)


