File formats:
 D. = Demuxing supported
 .E = Muxing supported
 --
  E 3g2             3GP2 (3GPP2 file format)
  E 3gp             3GP (3GPP file format)
 D  4xm             4X Technologies
  E a64             a64 - video for Commodore 64
 D  aac             raw ADTS AAC (Advanced Audio Coding)
 DE ac3             raw AC-3
  E adts            ADTS AAC (Advanced Audio Coding)
 DE adx             CRI ADX
 D  aea             MD STUDIO audio
 DE aiff            Audio IFF
 DE alaw            PCM A-law
 DE alsa            ALSA audio output
 DE amr             3GPP AMR
 D  anm             Deluxe Paint Animation
 D  apc             CRYO APC
 D  ape             Monkey's Audio
 DE asf             ASF (Advanced / Active Streaming Format)
  E asf_stream      ASF (Advanced / Active Streaming Format)
 DE ass             SSA (SubStation Alpha) subtitle
 DE au              Sun AU
 DE avi             AVI (Audio Video Interleaved)
  E avm2            SWF (ShockWave Flash) (AVM2)
 D  avs             AVS
 D  bethsoftvid     Bethesda Softworks VID
 D  bfi             Brute Force & Ignorance
 D  bink            Bink
 D  bmv             Discworld II BMV
 D  c93             Interplay C93
 D  caf             Apple CAF (Core Audio Format)
 DE cavsvideo       raw Chinese AVS (Audio Video Standard) video
 D  cdg             CD Graphics
 D  cdxl            Commodore CDXL video
  E crc             CRC testing
 DE daud            D-Cinema audio
 D  dfa             Chronomaster DFA
 DE dirac           raw Dirac
 DE dnxhd           raw DNxHD (SMPTE VC-3)
 D  dsicin          Delphine Software International CIN
 DE dts             raw DTS
 DE dv              DV (Digital Video)
 D  dv1394          DV1394 A/V grab
  E dvd             MPEG-2 PS (DVD VOB)
 D  dxa             DXA
 D  ea              Electronic Arts Multimedia
 D  ea_cdata        Electronic Arts cdata
 DE eac3            raw E-AC-3
 DE f32be           PCM 32-bit floating-point big-endian
 DE f32le           PCM 32-bit floating-point little-endian
  E f4v             F4V Adobe Flash Video
 DE f64be           PCM 64-bit floating-point big-endian
 DE f64le           PCM 64-bit floating-point little-endian
 D  fbdev           Linux framebuffer
 DE ffmetadata      FFmpeg metadata in text
 D  film_cpk        Sega FILM / CPK
 DE filmstrip       Adobe Filmstrip
 DE flac            raw FLAC
 D  flic            FLI/FLC/FLX animation
 DE flv             FLV (Flash Video)
  E framecrc        framecrc testing
  E framemd5        Per-frame MD5 testing
 DE g722            raw G.722
 D  g723_1          G.723.1
  E gif             GIF Animation
 D  gsm             raw GSM
 DE gxf             GXF (General eXchange Format)
 DE h261            raw H.261
 DE h263            raw H.263
 DE h264            raw H.264 video
  E hds             HDS Muxer
 DE hevc            raw HEVC video
  E hls             Apple HTTP Live Streaming
 D  hls,applehttp   Apple HTTP Live Streaming
 D  hnm             Cryo HNM v4
 D  idcin           id Cinematic
 D  iff             IFF (Interchange File Format)
 DE ilbc            iLBC storage
 DE image2          image2 sequence
 DE image2pipe      piped image2 sequence
 D  ingenient       raw Ingenient MJPEG
 D  ipmovie         Interplay MVE
  E ipod            iPod H.264 MP4 (MPEG-4 Part 14)
  E ismv            ISMV/ISMA (Smooth Streaming)
 D  iss             Funcom ISS
 D  iv8             IndigoVision 8000 video
 DE ivf             On2 IVF
 D  jack            JACK Audio Connection Kit
 D  jv              Bitmap Brothers JV
 DE latm            LOAS/LATM
 D  libcdio          
 D  libdc1394       dc1394 v.2 A/V grab
 D  lmlm4           raw lmlm4
 D  lxf             VR native stream (LXF)
 DE m4v             raw MPEG-4 video
  E matroska        Matroska
 D  matroska,webm   Matroska / WebM
  E md5             MD5 testing
 DE mjpeg           raw MJPEG video
 DE mlp             raw MLP
 D  mm              American Laser Games MM
 DE mmf             Yamaha SMAF
  E mov             QuickTime / MOV
 D  mov,mp4,m4a,3gp,3g2,mj2 QuickTime / MOV
  E mp2             MP2 (MPEG audio layer 2)
 DE mp3             MP3 (MPEG audio layer 3)
  E mp4             MP4 (MPEG-4 Part 14)
 D  mpc             Musepack
 D  mpc8            Musepack SV8
 DE mpeg            MPEG-1 Systems / MPEG program stream
  E mpeg1video      raw MPEG-1 video
  E mpeg2video      raw MPEG-2 video
 DE mpegts          MPEG-TS (MPEG-2 Transport Stream)
 D  mpegtsraw       raw MPEG-TS (MPEG-2 Transport Stream)
 D  mpegvideo       raw MPEG video
  E mpjpeg          MIME multipart JPEG
 D  msnwctcp        MSN TCP Webcam stream
 D  mtv             MTV
 DE mulaw           PCM mu-law
 D  mv              Silicon Graphics Movie
 D  mvi             Motion Pixels MVI
 DE mxf             MXF (Material eXchange Format)
  E mxf_d10         MXF (Material eXchange Format) D-10 Mapping
 D  mxg             MxPEG clip
 D  nc              NC camera feed
 D  nsv             Nullsoft Streaming Video
  E null            raw null video
 DE nut             NUT
 D  nuv             NuppelVideo
 DE ogg             Ogg
 DE oma             Sony OpenMG audio
 DE oss             OSS (Open Sound System) playback
 D  paf             Amazing Studio Packed Animation File
 D  pmp             Playstation Portable PMP
  E psp             PSP MP4 (MPEG-4 Part 14)
 D  psxstr          Sony Playstation STR
 D  pulse           Pulse audio input
 D  pva             TechnoTrend PVA
 D  qcp             QCP
 D  r3d             REDCODE R3D
 DE rawvideo        raw video
  E rcv             VC-1 test bitstream
 D  rl2             RL2
 DE rm              RealMedia
 DE roq             raw id RoQ
 D  rpl             RPL / ARMovie
 DE rso             Lego Mindstorms RSO
 DE rtp             RTP output
 DE rtsp            RTSP output
 DE s16be           PCM signed 16-bit big-endian
 DE s16le           PCM signed 16-bit little-endian
 DE s24be           PCM signed 24-bit big-endian
 DE s24le           PCM signed 24-bit little-endian
 DE s32be           PCM signed 32-bit big-endian
 DE s32le           PCM signed 32-bit little-endian
 DE s8              PCM signed 8-bit
 DE sap             SAP output
 D  sdp             SDP
  E segment         segment
 D  shn             raw Shorten
 D  siff            Beam Software SIFF
 DE smjpeg          Loki SDL MJPEG
 D  smk             Smacker video
  E smoothstreaming Smooth Streaming Muxer
 D  smush           LucasArts Smush
 D  sol             Sierra SOL
 DE sox             SoX native
 DE spdif           IEC 61937 (used on S/PDIF - IEC958)
 DE srt             SubRip subtitle
  E svcd            MPEG-2 PS (SVCD)
 DE swf             SWF (ShockWave Flash)
 D  tak             raw TAK
 D  thp             THP
 D  tiertexseq      Tiertex Limited SEQ
 D  tmv             8088flex TMV
 DE truehd          raw TrueHD
 D  tta             TTA (True Audio)
 D  tty             Tele-typewriter
 D  txd             Renderware TeXture Dictionary
 DE u16be           PCM unsigned 16-bit big-endian
 DE u16le           PCM unsigned 16-bit little-endian
 DE u24be           PCM unsigned 24-bit big-endian
 DE u24le           PCM unsigned 24-bit little-endian
 DE u32be           PCM unsigned 32-bit big-endian
 DE u32le           PCM unsigned 32-bit little-endian
 DE u8              PCM unsigned 8-bit
 D  vc1             raw VC-1
 D  vc1test         VC-1 test bitstream
  E vcd             MPEG-1 Systems / MPEG program stream (VCD)
 D  video4linux2    Video4Linux2 device grab
 D  vmd             Sierra VMD
  E vob             MPEG-2 PS (VOB)
 DE voc             Creative Voice
 D  vqf             Nippon Telegraph and Telephone Corporation (NTT) TwinVQ
 D  w64             Sony Wave64
 DE wav             WAV / WAVE (Waveform Audio)
 D  wc3movie        Wing Commander III movie
  E webm            WebM
 D  wsaud           Westwood Studios audio
 D  wsvqa           Westwood Studios VQA
 D  wtv             Windows Television (WTV)
 DE wv              raw WavPack
 D  x11grab         X11grab
 D  xa              Maxis XA
 D  xmv             Microsoft XMV
 D  xwma            Microsoft xWMA
 D  yop             Psygnosis YOP
 DE yuv4mpegpipe    YUV4MPEG pipe
