Contribute#

Before we can accept contributions, you need to become a CLAed contributor. E-mail a signed copy of the CLAI (and if applicable the CLAC) as PDF file to epfl.vita@gmail.com.

Modify Code#

This version of OpenPifPaf (openpifpaf-vita) cannot co-exist with the original one (openpifpaf) in the same environment. If you have previously installed the package openpifpaf, remove it before installation to avoid conflicts.

For development of the openpifpaf source code itself, you need to clone this repository and install it:

git clone https://github.com/vita-epfl/openpifpaf
pip3 install --editable './openpifpaf[dev,train,test,backbones]'

The last command installs the Python package in the current directory (signified by the dot) with the optional dependencies needed for training and testing. If you modify C code, run this last command again which recompiles the static code.

Develop your features in separate feature branches. Create a pull request with your suggested changes. Make sure your code passes pytest, pylint and pycodestyle checks:

pylint openpifpaf
pycodestyle openpifpaf
pytest

cd guide
python download_data.py
pytest --nbval-lax --current-env *.ipynb

Things to Contribute#

This is a research project and changing fast. Contributions can be in many areas:

  • Add a new dataset?

  • Add a new base network?

  • Try a different loss?

  • Try a better multi-task strategy?

  • Try a different head architecture?

  • Add a new task?

  • Run on new hardware (mobile phones, embedded devices, …)?

  • Improve training schedule/procedure?

  • Use it to build an app?

  • Improve documentation (!!)

Missing Dependencies#

OpenPifPaf has few core requirements so that you can run it efficiently on servers without graphical interface. Sometimes, you just want to install all possible dependencies. Those are provided as “extra” requirements. Use the following pip3 command to install all extras.

pip3 install "openpifpaf-vita[backbones,coreml,dev,onnx,test,train]"

Your Project and OpenPifPaf#

Let us know about your open source projects. We would like to feature them in our “related projects” section.

The simplest way to integrate with OpenPifPaf is to write a plugin. If some functionality is not possible through our plugin architecture, open an issue to discuss and if necessary send us a pull request that enables the missing feature you need.

If you do need to make a copy of OpenPifPaf, you must respect our license.

Build Guide#

pip install jupyter-book
cd guide
jb build .

If you encounter issues with the kernel spec in a notebook, open the notebook with a text editor and find metadata.kernelspec.name and set it to python3.

Alternatively, you can patch your local package yourself. Open venv/lib/python3.9/site-packages/jupyter_cache/executors/utils.py in your editor and add kernel_name='python3' to the arguments of nbexecute() here.

Alternatively, for continuous integration, the kernel_name is replace in the json of the Jupyter Notebook before executing jupyter-book here. Only use this operation on a discardable copy as jq changes all formatting.

Build Environment#

Below are information about the system that built this guide and all examples in it. To debug an issue, it can be helpful to run these commands on your system and see what is different.

%%bash
pip freeze
alabaster==0.7.16
anyio==4.3.0
argon2-cffi==23.1.0
argon2-cffi-bindings==21.2.0
arrow==1.3.0
astroid==2.6.6
async-lru==2.0.4
attrs==21.4.0
Babel==2.14.0
backcall==0.2.0
beautifulsoup4==4.12.3
bleach==6.1.0
certifi==2024.2.2
cffi==1.16.0
charset-normalizer==3.3.2
click==8.1.7
colorama==0.4.6
comm==0.2.2
contourpy==1.2.0
coverage==7.4.3
cpplint==1.6.1
cycler==0.12.1
debugpy==1.8.1
decorator==5.1.1
defusedxml==0.7.1
docutils==0.17.1
entrypoints==0.4
exceptiongroup==1.2.0
fastjsonschema==2.19.1
filelock==3.9.0
flameprof==0.4
fonttools==4.49.0
fqdn==1.5.1
fsspec==2023.4.0
gitdb==4.0.11
GitPython==3.1.42
greenlet==3.0.3
h11==0.14.0
httpcore==1.0.4
httpx==0.27.0
idna==3.6
imagesize==1.4.1
importlib_metadata==7.0.2
iniconfig==2.0.0
ipykernel==6.29.3
ipython==7.34.0
ipython-genutils==0.2.0
ipywidgets==7.8.1
isoduration==20.11.0
isort==5.13.2
jedi==0.19.1
Jinja2==3.1.2
json5==0.9.22
jsonpointer==2.4
jsonschema==4.17.3
jupyter-book==0.13.2
jupyter-cache==0.4.3
jupyter-events==0.6.3
jupyter-lsp==2.2.4
jupyter-server-mathjax==0.2.6
jupyter-sphinx==0.3.2
jupyter_client==8.6.1
jupyter_core==5.7.2
jupyter_server==2.10.0
jupyter_server_terminals==0.5.3
jupyterlab==4.1.4
jupyterlab-widgets==1.1.7
jupyterlab_pygments==0.3.0
jupyterlab_server==2.24.0
kiwisolver==1.4.5
latexcodec==3.0.0
lazy-object-proxy==1.10.0
linkify-it-py==2.0.3
lxml==5.1.0
markdown-it-py==1.1.0
MarkupSafe==2.1.3
matplotlib==3.8.3
matplotlib-inline==0.1.6
mccabe==0.6.1
mdit-py-plugins==0.2.8
mistune==0.8.4
mpmath==1.3.0
myst-nb==0.13.2
myst-parser==0.15.2
nbclient==0.5.13
nbconvert==6.5.4
nbdime==4.0.1
nbformat==5.10.2
nbstripout==0.6.2
nbval==0.11.0
nest-asyncio==1.6.0
networkx==3.2.1
notebook==7.1.1
notebook_shim==0.2.4
numpy==1.26.3
opencv-python==4.9.0.80
openpifpaf-vita @ file:///home/runner/work/openpifpaf/openpifpaf
overrides==7.7.0
packaging==24.0
pandocfilters==1.5.1
parso==0.8.3
pexpect==4.9.0
pickleshare==0.7.5
pillow==10.2.0
platformdirs==4.2.0
pluggy==1.4.0
prometheus_client==0.20.0
prompt-toolkit==3.0.43
psutil==5.9.8
ptyprocess==0.7.0
pybtex==0.24.0
pybtex-docutils==1.0.3
pycodestyle==2.11.1
pycparser==2.21
pydata-sphinx-theme==0.8.1
Pygments==2.17.2
pylint==2.9.3
pyparsing==3.1.2
pyrsistent==0.20.0
pysparkling==0.6.2
pytest==8.1.1
python-dateutil==2.9.0.post0
python-json-logger==2.0.7
pytz==2024.1
PyYAML==6.0.1
pyzmq==25.1.2
requests==2.31.0
rfc3339-validator==0.1.4
rfc3986-validator==0.1.1
scipy==1.12.0
Send2Trash==1.8.2
six==1.16.0
smmap==5.0.1
sniffio==1.3.1
snowballstemmer==2.2.0
soupsieve==2.5
Sphinx==4.5.0
sphinx-book-theme==0.3.3
sphinx-comments==0.0.3
sphinx-copybutton==0.5.2
sphinx-jupyterbook-latex==0.5.2
sphinx-multitoc-numbering==0.1.3
sphinx-thebe==0.2.1
sphinx-togglebutton==0.3.2
sphinx_design==0.1.0
sphinx_external_toc==0.3.1
sphinxcontrib-applehelp==1.0.4
sphinxcontrib-bibtex==2.5.0
sphinxcontrib-devhelp==1.0.2
sphinxcontrib-htmlhelp==2.0.1
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==1.0.3
sphinxcontrib-serializinghtml==1.1.5
SQLAlchemy==1.4.52
sympy==1.12
tabulate==0.9.0
terminado==0.18.1
thop==0.1.1.post2209072238
tinycss2==1.2.1
toml==0.10.2
tomli==2.0.1
torch==2.2.1+cpu
torchvision==0.17.1+cpu
tornado==6.4
traitlets==5.14.2
types-python-dateutil==2.8.19.20240311
typing_extensions==4.8.0
uc-micro-py==1.0.3
uri-template==1.3.0
urllib3==2.2.1
wcwidth==0.2.13
webcolors==1.13
webencodings==0.5.1
websocket-client==1.7.0
widgetsnbextension==3.6.6
wrapt==1.12.1
zipp==3.18.0
%%bash
python -m openpifpaf.predict --version
OpenPifPaf 0.14.2+1.g9ac6c0f
!ffmpeg -codecs
ffmpeg version 6.1-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
  libavutil      58. 29.100 / 58. 29.100
  libavcodec     60. 31.102 / 60. 31.102
  libavformat    60. 16.100 / 60. 16.100
  libavdevice    60.  3.100 / 60.  3.100
  libavfilter     9. 12.100 /  9. 12.100
  libswscale      7.  5.100 /  7.  5.100
  libswresample   4. 12.100 /  4. 12.100
  libpostproc    57.  3.100 / 57.  3.100
Codecs:
 D..... = Decoding supported
 .E.... = Encoding supported
 ..V... = Video codec
 ..A... = Audio codec
 ..S... = Subtitle codec
 ..D... = Data codec
 ..T... = Attachment codec
 ...I.. = Intra frame-only codec
 ....L. = Lossy compression
 .....S = Lossless compression
 -------
 D.VI.S 012v                 Uncompressed 4:2:2 10-bit
 D.V.L. 4xm                  4X Movie
 D.VI.S 8bps                 QuickTime 8BPS video
 .EVIL. a64_multi            Multicolor charset for Commodore 64 (encoders: a64multi)
 .EVIL. a64_multi5           Multicolor charset for Commodore 64, extended with 5th color (colram) (encoders: a64multi5)
 D.V..S aasc                 Autodesk RLE
 D.V.L. agm                  Amuse Graphics Movie
 D.VIL. aic                  Apple Intermediate Codec
 DEVI.S alias_pix            Alias/Wavefront PIX image
 DEVIL. amv                  AMV Video
 D.V.L. anm                  Deluxe Paint Animation
 D.V.L. ansi                 ASCII/ANSI art
 DEV..S apng                 APNG (Animated Portable Network Graphics) image
 D.V.L. arbc                 Gryphon's Anim Compressor
 D.V.L. argo                 Argonaut Games Video
 DEVIL. asv1                 ASUS V1
 DEVIL. asv2                 ASUS V2
 D.VIL. aura                 Auravision AURA
 D.VIL. aura2                Auravision Aura 2
 DEV.L. av1                  Alliance for Open Media AV1 (decoders: libdav1d libaom-av1 av1) (encoders: libaom-av1)
 D.V... avrn                 Avid AVI Codec
 DEVI.S avrp                 Avid 1:1 10-bit RGB Packer
 D.V.L. avs                  AVS (Audio Video Standard) video
 ..V.L. avs2                 AVS2-P2/IEEE1857.4
 ..V.L. avs3                 AVS3-P2/IEEE1857.10
 DEVI.S avui                 Avid Meridien Uncompressed
 DEVI.S ayuv                 Uncompressed packed MS 4:4:4:4
 D.V.L. bethsoftvid          Bethesda VID video
 D.V.L. bfi                  Brute Force & Ignorance
 D.V.L. binkvideo            Bink video
 D.VI.. bintext              Binary text
 DEVI.S bitpacked            Bitpacked
 DEVI.S bmp                  BMP (Windows and OS/2 bitmap)
 D.V..S bmv_video            Discworld II BMV video
 D.VI.S brender_pix          BRender PIX image
 D.V.L. c93                  Interplay C93
 D.V.L. cavs                 Chinese AVS (Audio Video Standard) (AVS1-P2, JiZhun profile)
 D.V.L. cdgraphics           CD Graphics video
 D.V..S cdtoons              CDToons video
 D.VIL. cdxl                 Commodore CDXL video
 DEV.L. cfhd                 GoPro CineForm HD
 DEV.L. cinepak              Cinepak
 D.V.L. clearvideo           Iterated Systems ClearVideo
 DEVIL. cljr                 Cirrus Logic AccuPak
 D.VI.S cllc                 Canopus Lossless Codec
 D.V.L. cmv                  Electronic Arts CMV video (decoders: eacmv)
 D.V... cpia                 CPiA video format
 D.VILS cri                  Cintel RAW
 D.V..S cscd                 CamStudio (decoders: camstudio)
 D.VIL. cyuv                 Creative YUV (CYUV)
 ..V.LS daala                Daala
 D.VILS dds                  DirectDraw Surface image decoder
 D.V.L. dfa                  Chronomaster DFA
 DEV.LS dirac                Dirac (encoders: vc2)
 DEVIL. dnxhd                VC3/DNxHD
 DEVI.S dpx                  DPX (Digital Picture Exchange) image
 D.V.L. dsicinvideo          Delphine Software International CIN video
 DEVIL. dvvideo              DV (Digital Video)
 D.V..S dxa                  Feeble Files/ScummVM DXA
 D.VI.S dxtory               Dxtory
 D.VIL. dxv                  Resolume DXV
 D.V.L. escape124            Escape 124
 D.V.L. escape130            Escape 130
 ..V.L. evc                  MPEG-5 EVC (Essential Video Coding)
 DEVILS exr                  OpenEXR image
 DEV..S ffv1                 FFmpeg video codec #1
 DEVI.S ffvhuff              Huffyuv FFmpeg variant
 D.V.L. fic                  Mirillis FIC
 DEVI.S fits                 FITS (Flexible Image Transport System)
 DEV..S flashsv              Flash Screen Video v1
 DEV.L. flashsv2             Flash Screen Video v2
 D.V..S flic                 Autodesk Animator Flic video
 DEV.L. flv1                 FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (decoders: flv) (encoders: flv)
 D.V..S fmvc                 FM Screen Capture Codec
 D.VI.S fraps                Fraps
 D.VI.S frwu                 Forward Uncompressed
 D.V.L. g2m                  Go2Meeting
 D.V.L. gdv                  Gremlin Digital Video
 D.V.L. gem                  GEM Raster image
 DEV..S gif                  CompuServe GIF (Graphics Interchange Format)
 DEV.L. h261                 H.261
 DEV.L. h263                 H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2 (decoders: h263 h263_v4l2m2m) (encoders: h263 h263_v4l2m2m)
 D.V.L. h263i                Intel H.263
 DEV.L. h263p                H.263+ / H.263-1998 / H.263 version 2
 DEV.LS h264                 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m) (encoders: libx264 libx264rgb h264_v4l2m2m)
 D.VIL. hap                  Vidvox Hap
 DEVIL. hdr                  HDR (Radiance RGBE format) image
 DEV.L. hevc                 H.265 / HEVC (High Efficiency Video Coding) (decoders: hevc hevc_v4l2m2m) (encoders: libx265 hevc_v4l2m2m)
 D.V.L. hnm4video            HNM 4 video
 D.VIL. hq_hqa               Canopus HQ/HQA
 D.VIL. hqx                  Canopus HQX
 DEVI.S huffyuv              HuffYUV
 D.VI.S hymt                 HuffYUV MT
 D.V.L. idcin                id Quake II CIN video (decoders: idcinvideo)
 D.VI.. idf                  iCEDraw text
 D.V.L. iff_ilbm             IFF ACBM/ANIM/DEEP/ILBM/PBM/RGB8/RGBN (decoders: iff)
 D.V.L. imm4                 Infinity IMM4
 D.V.L. imm5                 Infinity IMM5
 D.V.L. indeo2               Intel Indeo 2
 D.V.L. indeo3               Intel Indeo 3
 D.V.L. indeo4               Intel Indeo Video Interactive 4
 D.V.L. indeo5               Intel Indeo Video Interactive 5
 D.V.L. interplayvideo       Interplay MVE video
 D.VIL. ipu                  IPU Video
 DEVILS jpeg2000             JPEG 2000 (encoders: jpeg2000 libopenjpeg)
 DEVILS jpegls               JPEG-LS
 ..VILS jpegxl               JPEG XL
 D.VIL. jv                   Bitmap Brothers JV video
 D.V.L. kgv1                 Kega Game Video
 D.V.L. kmvc                 Karl Morton's video codec
 D.VI.S lagarith             Lagarith lossless
 .EVI.S ljpeg                Lossless JPEG
 D.VI.S loco                 LOCO
 D.V.L. lscr                 LEAD Screen Capture
 D.VI.S m101                 Matrox Uncompressed SD
 D.V.L. mad                  Electronic Arts Madcow Video (decoders: eamad)
 DEVI.S magicyuv             MagicYUV video
 D.VIL. mdec                 Sony PlayStation MDEC (Motion DECoder)
 D.VIL. media100             Media 100i
 D.V.L. mimic                Mimic
 DEVIL. mjpeg                Motion JPEG
 D.VIL. mjpegb               Apple MJPEG-B
 D.V.L. mmvideo              American Laser Games MM Video
 D.V.L. mobiclip             MobiClip Video
 D.V.L. motionpixels         Motion Pixels video
 DEV.L. mpeg1video           MPEG-1 video (decoders: mpeg1video mpeg1_v4l2m2m)
 DEV.L. mpeg2video           MPEG-2 video (decoders: mpeg2video mpegvideo mpeg2_v4l2m2m)
 DEV.L. mpeg4                MPEG-4 part 2 (decoders: mpeg4 mpeg4_v4l2m2m) (encoders: mpeg4 libxvid mpeg4_v4l2m2m)
 D.V.L. msa1                 MS ATC Screen
 D.VI.S mscc                 Mandsoft Screen Capture Codec
 D.V.L. msmpeg4v1            MPEG-4 part 2 Microsoft variant version 1
 DEV.L. msmpeg4v2            MPEG-4 part 2 Microsoft variant version 2
 DEV.L. msmpeg4v3            MPEG-4 part 2 Microsoft variant version 3 (decoders: msmpeg4) (encoders: msmpeg4)
 D.VI.S msp2                 Microsoft Paint (MSP) version 2
 DEV..S msrle                Microsoft RLE
 D.V.L. mss1                 MS Screen 1
 D.VIL. mss2                 MS Windows Media Video V9 Screen
 DEV.L. msvideo1             Microsoft Video 1
 D.VI.S mszh                 LCL (LossLess Codec Library) MSZH
 D.V.L. mts2                 MS Expression Encoder Screen
 D.V.L. mv30                 MidiVid 3.0
 D.VIL. mvc1                 Silicon Graphics Motion Video Compressor 1
 D.VIL. mvc2                 Silicon Graphics Motion Video Compressor 2
 D.V.L. mvdv                 MidiVid VQ
 D.VIL. mvha                 MidiVid Archive Codec
 D.V..S mwsc                 MatchWare Screen Capture Codec
 D.V.L. mxpeg                Mobotix MxPEG video
 D.VIL. notchlc              NotchLC
 D.V.L. nuv                  NuppelVideo/RTJPEG
 D.V.L. paf_video            Amazing Studio Packed Animation File Video
 DEVI.S pam                  PAM (Portable AnyMap) image
 DEVI.S pbm                  PBM (Portable BitMap) image
 DEVI.S pcx                  PC Paintbrush PCX image
 D.V.L. pdv                  PDV (PlayDate Video)
 DEVI.S pfm                  PFM (Portable FloatMap) image
 DEVI.S pgm                  PGM (Portable GrayMap) image
 DEVI.S pgmyuv               PGMYUV (Portable GrayMap YUV) image
 D.VI.S pgx                  PGX (JPEG2000 Test Format)
 DEVI.S phm                  PHM (Portable HalfFloatMap) image
 D.V.L. photocd              Kodak Photo CD
 D.VIL. pictor               Pictor/PC Paint
 D.VIL. pixlet               Apple Pixlet
 DEV..S png                  PNG (Portable Network Graphics) image
 DEVI.S ppm                  PPM (Portable PixelMap) image
 DEVIL. prores               Apple ProRes (iCodec Pro) (encoders: prores prores_aw prores_ks)
 D.VIL. prosumer             Brooktree ProSumer Video
 D.VI.S psd                  Photoshop PSD file
 D.VIL. ptx                  V.Flash PTX image
 D.VI.S qdraw                Apple QuickDraw
 DEVI.S qoi                  QOI (Quite OK Image)
 D.V.L. qpeg                 Q-team QPEG
 DEV..S qtrle                QuickTime Animation (RLE) video
 DEVI.S r10k                 AJA Kona 10-bit RGB Codec
 DEVI.S r210                 Uncompressed RGB 10-bit
 D.V.L. rasc                 RemotelyAnywhere Screen Capture
 DEVI.S rawvideo             raw video
 D.VIL. rl2                  RL2 video
 DEV.L. roq                  id RoQ video (decoders: roqvideo) (encoders: roqvideo)
 DEV.L. rpza                 QuickTime video (RPZA)
 D.V..S rscc                 innoHeim/Rsupport Screen Capture Codec
 D.VIL. rtv1                 RTV1 (RivaTuner Video)
 DEV.L. rv10                 RealVideo 1.0
 DEV.L. rv20                 RealVideo 2.0
 D.V.L. rv30                 RealVideo 3.0
 D.V.L. rv40                 RealVideo 4.0
 D.V.L. sanm                 LucasArts SANM/SMUSH video
 D.V.LS scpr                 ScreenPressor
 D.V..S screenpresso         Screenpresso
 D.V.L. sga                  Digital Pictures SGA Video
 DEVI.S sgi                  SGI image
 D.VI.S sgirle               SGI RLE 8-bit
 D.VI.S sheervideo           BitJazz SheerVideo
 D.V.L. simbiosis_imx        Simbiosis Interactive IMX Video
 D.V.L. smackvideo           Smacker video (decoders: smackvid)
 DEV.L. smc                  QuickTime Graphics (SMC)
 D.VIL. smvjpeg              Sigmatel Motion Video
 DEV.LS snow                 Snow
 D.VIL. sp5x                 Sunplus JPEG (SP5X)
 DEVIL. speedhq              NewTek SpeedHQ
 D.VI.S srgc                 Screen Recorder Gold Codec
 DEVI.S sunrast              Sun Rasterfile image
 ..V..S svg                  Scalable Vector Graphics
 DEV.L. svq1                 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1
 D.V.L. svq3                 Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3
 DEVI.S targa                Truevision Targa image
 D.VI.S targa_y216           Pinnacle TARGA CineWave YUV16
 D.V.L. tdsc                 TDSC
 D.V.L. tgq                  Electronic Arts TGQ video (decoders: eatgq)
 D.V.L. tgv                  Electronic Arts TGV video (decoders: eatgv)
 DEV.L. theora               Theora (encoders: libtheora)
 D.VIL. thp                  Nintendo Gamecube THP video
 D.V.L. tiertexseqvideo      Tiertex Limited SEQ video
 DEVI.S tiff                 TIFF image
 D.VIL. tmv                  8088flex TMV
 D.V.L. tqi                  Electronic Arts TQI video (decoders: eatqi)
 D.V.L. truemotion1          Duck TrueMotion 1.0
 D.V.L. truemotion2          Duck TrueMotion 2.0
 D.VIL. truemotion2rt        Duck TrueMotion 2.0 Real Time
 D.V..S tscc                 TechSmith Screen Capture Codec (decoders: camtasia)
 D.V.L. tscc2                TechSmith Screen Codec 2
 D.VIL. txd                  Renderware TXD (TeXture Dictionary) image
 D.V.L. ulti                 IBM UltiMotion (decoders: ultimotion)
 DEVI.S utvideo              Ut Video
 DEVI.S v210                 Uncompressed 4:2:2 10-bit
 D.VI.S v210x                Uncompressed 4:2:2 10-bit
 DEVI.S v308                 Uncompressed packed 4:4:4
 DEVI.S v408                 Uncompressed packed QT 4:4:4:4
 DEVI.S v410                 Uncompressed 4:4:4 10-bit
 D.V.L. vb                   Beam Software VB
 D.VI.S vble                 VBLE Lossless Codec
 DEV.L. vbn                  Vizrt Binary Image
 D.V.L. vc1                  SMPTE VC-1 (decoders: vc1 vc1_v4l2m2m)
 D.V.L. vc1image             Windows Media Video 9 Image v2
 D.VIL. vcr1                 ATI VCR1
 D.VIL. vixl                 Miro VideoXL (decoders: xl)
 D.V.L. vmdvideo             Sierra VMD video
 D.VIL. vmix                 vMix Video
 D.V..S vmnc                 VMware Screen Codec / VMware Video
 DEV... vnull                Null video codec
 D.V.L. vp3                  On2 VP3
 D.V.L. vp4                  On2 VP4
 D.V.L. vp5                  On2 VP5
 D.V.L. vp6                  On2 VP6
 D.V.L. vp6a                 On2 VP6 (Flash version, with alpha channel)
 D.V.L. vp6f                 On2 VP6 (Flash version)
 D.V.L. vp7                  On2 VP7
 DEV.L. vp8                  On2 VP8 (decoders: vp8 vp8_v4l2m2m libvpx) (encoders: libvpx vp8_v4l2m2m)
 DEV.L. vp9                  Google VP9 (decoders: vp9 vp9_v4l2m2m libvpx-vp9) (encoders: libvpx-vp9)
 D.V.L. vqc                  ViewQuest VQC
 ..V.L. vvc                  H.266 / VVC (Versatile Video Coding)
 DEVI.S wbmp                 WBMP (Wireless Application Protocol Bitmap) image
 D.V..S wcmv                 WinCAM Motion Video
 DEVILS webp                 WebP (encoders: libwebp_anim libwebp)
 DEV.L. wmv1                 Windows Media Video 7
 DEV.L. wmv2                 Windows Media Video 8
 D.V.L. wmv3                 Windows Media Video 9
 D.V.L. wmv3image            Windows Media Video 9 Image
 D.VIL. wnv1                 Winnov WNV1
 DEV..S wrapped_avframe      AVFrame to AVPacket passthrough
 D.V.L. ws_vqa               Westwood Studios VQA (Vector Quantized Animation) video (decoders: vqavideo)
 D.V.L. xan_wc3              Wing Commander III / Xan
 D.V.L. xan_wc4              Wing Commander IV / Xxan
 D.VI.. xbin                 eXtended BINary text
 DEVI.S xbm                  XBM (X BitMap) image
 DEVIL. xface                X-face image
 D.VI.S xpm                  XPM (X PixMap) image
 DEVI.S xwd                  XWD (X Window Dump) image
 DEVI.S y41p                 Uncompressed YUV 4:1:1 12-bit
 D.VI.S ylc                  YUY2 Lossless Codec
 D.V.L. yop                  Psygnosis YOP Video
 DEVI.S yuv4                 Uncompressed packed 4:2:0
 D.V..S zerocodec            ZeroCodec Lossless Video
 DEVI.S zlib                 LCL (LossLess Codec Library) ZLIB
 DEV..S zmbv                 Zip Motion Blocks Video
 ..AIL. 4gv                  4GV (Fourth Generation Vocoder)
 D.AIL. 8svx_exp             8SVX exponential
 D.AIL. 8svx_fib             8SVX fibonacci
 DEAIL. aac                  AAC (Advanced Audio Coding) (decoders: aac aac_fixed)
 D.AIL. aac_latm             AAC LATM (Advanced Audio Coding LATM syntax)
 DEAIL. ac3                  ATSC A/52A (AC-3) (decoders: ac3 ac3_fixed) (encoders: ac3 ac3_fixed)
 ..A.L. ac4                  AC-4
 D.AIL. acelp.kelvin         Sipro ACELP.KELVIN
 D.AIL. adpcm_4xm            ADPCM 4X Movie
 DEAIL. adpcm_adx            SEGA CRI ADX ADPCM
 D.AIL. adpcm_afc            ADPCM Nintendo Gamecube AFC
 D.AIL. adpcm_agm            ADPCM AmuseGraphics Movie AGM
 D.AIL. adpcm_aica           ADPCM Yamaha AICA
 DEAIL. adpcm_argo           ADPCM Argonaut Games
 D.AIL. adpcm_ct             ADPCM Creative Technology
 D.AIL. adpcm_dtk            ADPCM Nintendo Gamecube DTK
 D.AIL. adpcm_ea             ADPCM Electronic Arts
 D.AIL. adpcm_ea_maxis_xa    ADPCM Electronic Arts Maxis CDROM XA
 D.AIL. adpcm_ea_r1          ADPCM Electronic Arts R1
 D.AIL. adpcm_ea_r2          ADPCM Electronic Arts R2
 D.AIL. adpcm_ea_r3          ADPCM Electronic Arts R3
 D.AIL. adpcm_ea_xas         ADPCM Electronic Arts XAS
 DEAIL. adpcm_g722           G.722 ADPCM (decoders: g722) (encoders: g722)
 DEAIL. adpcm_g726           G.726 ADPCM (decoders: g726) (encoders: g726)
 DEAIL. adpcm_g726le         G.726 ADPCM little-endian (decoders: g726le) (encoders: g726le)
 D.AIL. adpcm_ima_acorn      ADPCM IMA Acorn Replay
 DEAIL. adpcm_ima_alp        ADPCM IMA High Voltage Software ALP
 DEAIL. adpcm_ima_amv        ADPCM IMA AMV
 D.AIL. adpcm_ima_apc        ADPCM IMA CRYO APC
 DEAIL. adpcm_ima_apm        ADPCM IMA Ubisoft APM
 D.AIL. adpcm_ima_cunning    ADPCM IMA Cunning Developments
 D.AIL. adpcm_ima_dat4       ADPCM IMA Eurocom DAT4
 D.AIL. adpcm_ima_dk3        ADPCM IMA Duck DK3
 D.AIL. adpcm_ima_dk4        ADPCM IMA Duck DK4
 D.AIL. adpcm_ima_ea_eacs    ADPCM IMA Electronic Arts EACS
 D.AIL. adpcm_ima_ea_sead    ADPCM IMA Electronic Arts SEAD
 D.AIL. adpcm_ima_iss        ADPCM IMA Funcom ISS
 D.AIL. adpcm_ima_moflex     ADPCM IMA MobiClip MOFLEX
 D.AIL. adpcm_ima_mtf        ADPCM IMA Capcom's MT Framework
 D.AIL. adpcm_ima_oki        ADPCM IMA Dialogic OKI
 DEAIL. adpcm_ima_qt         ADPCM IMA QuickTime
 D.AIL. adpcm_ima_rad        ADPCM IMA Radical
 D.AIL. adpcm_ima_smjpeg     ADPCM IMA Loki SDL MJPEG
 DEAIL. adpcm_ima_ssi        ADPCM IMA Simon & Schuster Interactive
 DEAIL. adpcm_ima_wav        ADPCM IMA WAV
 DEAIL. adpcm_ima_ws         ADPCM IMA Westwood
 DEAIL. adpcm_ms             ADPCM Microsoft
 D.AIL. adpcm_mtaf           ADPCM MTAF
 D.AIL. adpcm_psx            ADPCM Playstation
 D.AIL. adpcm_sbpro_2        ADPCM Sound Blaster Pro 2-bit
 D.AIL. adpcm_sbpro_3        ADPCM Sound Blaster Pro 2.6-bit
 D.AIL. adpcm_sbpro_4        ADPCM Sound Blaster Pro 4-bit
 DEAIL. adpcm_swf            ADPCM Shockwave Flash
 D.AIL. adpcm_thp            ADPCM Nintendo THP
 D.AIL. adpcm_thp_le         ADPCM Nintendo THP (Little-Endian)
 D.AIL. adpcm_vima           LucasArts VIMA audio
 D.AIL. adpcm_xa             ADPCM CDROM XA
 D.AIL. adpcm_xmd            ADPCM Konami XMD
 DEAIL. adpcm_yamaha         ADPCM Yamaha
 D.AIL. adpcm_zork           ADPCM Zork
 DEAI.S alac                 ALAC (Apple Lossless Audio Codec)
 DEAIL. amr_nb               AMR-NB (Adaptive Multi-Rate NarrowBand) (decoders: amrnb libopencore_amrnb) (encoders: libopencore_amrnb)
 DEAIL. amr_wb               AMR-WB (Adaptive Multi-Rate WideBand) (decoders: amrwb libopencore_amrwb) (encoders: libvo_amrwbenc)
 DEA... anull                Null audio codec
 D.AI.S apac                 Marian's A-pac audio
 D.AI.S ape                  Monkey's Audio
 DEAIL. aptx                 aptX (Audio Processing Technology for Bluetooth)
 DEAIL. aptx_hd              aptX HD (Audio Processing Technology for Bluetooth)
 D.AIL. atrac1               ATRAC1 (Adaptive TRansform Acoustic Coding)
 D.AIL. atrac3               ATRAC3 (Adaptive TRansform Acoustic Coding 3)
 D.AI.S atrac3al             ATRAC3 AL (Adaptive TRansform Acoustic Coding 3 Advanced Lossless)
 D.AIL. atrac3p              ATRAC3+ (Adaptive TRansform Acoustic Coding 3+) (decoders: atrac3plus)
 D.AI.S atrac3pal            ATRAC3+ AL (Adaptive TRansform Acoustic Coding 3+ Advanced Lossless) (decoders: atrac3plusal)
 D.AIL. atrac9               ATRAC9 (Adaptive TRansform Acoustic Coding 9)
 D.AIL. avc                  On2 Audio for Video Codec (decoders: on2avc)
 D.AIL. binkaudio_dct        Bink Audio (DCT)
 D.AIL. binkaudio_rdft       Bink Audio (RDFT)
 D.AIL. bmv_audio            Discworld II BMV audio
 D.AILS bonk                 Bonk audio
 D.AIL. cbd2_dpcm            DPCM Cuberoot-Delta-Exact
 ..AIL. celt                 Constrained Energy Lapped Transform (CELT)
 ..AIL. codec2               codec2 (very low bitrate speech codec)
 DEAIL. comfortnoise         RFC 3389 Comfort Noise
 D.AIL. cook                 Cook / Cooker / Gecko (RealAudio G2)
 D.AIL. derf_dpcm            DPCM Xilam DERF
 DEA.L. dfpwm                DFPWM (Dynamic Filter Pulse Width Modulation)
 D.AIL. dolby_e              Dolby E
 D.AIL. dsd_lsbf             DSD (Direct Stream Digital), least significant bit first
 D.AIL. dsd_lsbf_planar      DSD (Direct Stream Digital), least significant bit first, planar
 D.AIL. dsd_msbf             DSD (Direct Stream Digital), most significant bit first
 D.AIL. dsd_msbf_planar      DSD (Direct Stream Digital), most significant bit first, planar
 D.AIL. dsicinaudio          Delphine Software International CIN audio
 D.AIL. dss_sp               Digital Speech Standard - Standard Play mode (DSS SP)
 D.AI.S dst                  DST (Direct Stream Transfer)
 DEAILS dts                  DCA (DTS Coherent Acoustics) (decoders: dca) (encoders: dca)
 D.AIL. dvaudio              DV audio
 DEAIL. eac3                 ATSC A/52B (AC-3, E-AC-3)
 D.AIL. evrc                 EVRC (Enhanced Variable Rate Codec)
 D.AIL. fastaudio            MobiClip FastAudio
 DEAI.S flac                 FLAC (Free Lossless Audio Codec)
 D.AIL. ftr                  FTR Voice
 DEAIL. g723_1               G.723.1
 D.AIL. g729                 G.729
 D.AIL. gremlin_dpcm         DPCM Gremlin
 D.AIL. gsm                  GSM
 D.AIL. gsm_ms               GSM Microsoft variant
 D.AIL. hca                  CRI HCA
 D.AIL. hcom                 HCOM Audio
 D.AIL. iac                  IAC (Indeo Audio Coder)
 D.AIL. ilbc                 iLBC (Internet Low Bitrate Codec)
 D.AIL. imc                  IMC (Intel Music Coder)
 D.AIL. interplay_dpcm       DPCM Interplay
 D.AIL. interplayacm         Interplay ACM
 D.AIL. mace3                MACE (Macintosh Audio Compression/Expansion) 3:1
 D.AIL. mace6                MACE (Macintosh Audio Compression/Expansion) 6:1
 D.AIL. metasound            Voxware MetaSound
 D.AIL. misc4                Micronas SC-4 Audio
 DEA..S mlp                  MLP (Meridian Lossless Packing)
 D.AIL. mp1                  MP1 (MPEG audio layer 1) (decoders: mp1 mp1float)
 DEAIL. mp2                  MP2 (MPEG audio layer 2) (decoders: mp2 mp2float) (encoders: mp2 mp2fixed)
 DEAIL. mp3                  MP3 (MPEG audio layer 3) (decoders: mp3float mp3) (encoders: libmp3lame)
 D.AIL. mp3adu               ADU (Application Data Unit) MP3 (MPEG audio layer 3) (decoders: mp3adufloat mp3adu)
 D.AIL. mp3on4               MP3onMP4 (decoders: mp3on4float mp3on4)
 D.AI.S mp4als               MPEG-4 Audio Lossless Coding (ALS) (decoders: als)
 ..A.L. mpegh_3d_audio       MPEG-H 3D Audio
 D.AIL. msnsiren             MSN Siren
 D.AIL. musepack7            Musepack SV7 (decoders: mpc7)
 D.AIL. musepack8            Musepack SV8 (decoders: mpc8)
 DEAIL. nellymoser           Nellymoser Asao
 DEAIL. opus                 Opus (Opus Interactive Audio Codec) (decoders: opus libopus) (encoders: opus libopus)
 D.AI.S osq                  OSQ (Original Sound Quality)
 D.AIL. paf_audio            Amazing Studio Packed Animation File Audio
 DEAIL. pcm_alaw             PCM A-law / G.711 A-law
 DEAI.S pcm_bluray           PCM signed 16|20|24-bit big-endian for Blu-ray media
 DEAI.S pcm_dvd              PCM signed 20|24-bit big-endian
 D.AI.S pcm_f16le            PCM 16.8 floating point little-endian
 D.AI.S pcm_f24le            PCM 24.0 floating point little-endian
 DEAI.S pcm_f32be            PCM 32-bit floating point big-endian
 DEAI.S pcm_f32le            PCM 32-bit floating point little-endian
 DEAI.S pcm_f64be            PCM 64-bit floating point big-endian
 DEAI.S pcm_f64le            PCM 64-bit floating point little-endian
 D.AI.S pcm_lxf              PCM signed 20-bit little-endian planar
 DEAIL. pcm_mulaw            PCM mu-law / G.711 mu-law
 DEAI.S pcm_s16be            PCM signed 16-bit big-endian
 DEAI.S pcm_s16be_planar     PCM signed 16-bit big-endian planar
 DEAI.S pcm_s16le            PCM signed 16-bit little-endian
 DEAI.S pcm_s16le_planar     PCM signed 16-bit little-endian planar
 DEAI.S pcm_s24be            PCM signed 24-bit big-endian
 DEAI.S pcm_s24daud          PCM D-Cinema audio signed 24-bit
 DEAI.S pcm_s24le            PCM signed 24-bit little-endian
 DEAI.S pcm_s24le_planar     PCM signed 24-bit little-endian planar
 DEAI.S pcm_s32be            PCM signed 32-bit big-endian
 DEAI.S pcm_s32le            PCM signed 32-bit little-endian
 DEAI.S pcm_s32le_planar     PCM signed 32-bit little-endian planar
 DEAI.S pcm_s64be            PCM signed 64-bit big-endian
 DEAI.S pcm_s64le            PCM signed 64-bit little-endian
 DEAI.S pcm_s8               PCM signed 8-bit
 DEAI.S pcm_s8_planar        PCM signed 8-bit planar
 D.AI.S pcm_sga              PCM SGA
 DEAI.S pcm_u16be            PCM unsigned 16-bit big-endian
 DEAI.S pcm_u16le            PCM unsigned 16-bit little-endian
 DEAI.S pcm_u24be            PCM unsigned 24-bit big-endian
 DEAI.S pcm_u24le            PCM unsigned 24-bit little-endian
 DEAI.S pcm_u32be            PCM unsigned 32-bit big-endian
 DEAI.S pcm_u32le            PCM unsigned 32-bit little-endian
 DEAI.S pcm_u8               PCM unsigned 8-bit
 DEAIL. pcm_vidc             PCM Archimedes VIDC
 D.AIL. qcelp                QCELP / PureVoice
 D.AIL. qdm2                 QDesign Music Codec 2
 D.AIL. qdmc                 QDesign Music
 DEAIL. ra_144               RealAudio 1.0 (14.4K) (decoders: real_144) (encoders: real_144)
 D.AIL. ra_288               RealAudio 2.0 (28.8K) (decoders: real_288)
 D.AI.S ralf                 RealAudio Lossless
 D.AILS rka                  RKA (RK Audio)
 DEAIL. roq_dpcm             DPCM id RoQ
 DEAI.S s302m                SMPTE 302M
 DEAIL. sbc                  SBC (low-complexity subband codec)
 D.AIL. sdx2_dpcm            DPCM Squareroot-Delta-Exact
 D.AI.S shorten              Shorten
 D.AIL. sipr                 RealAudio SIPR / ACELP.NET
 D.AIL. siren                Siren
 D.AIL. smackaudio           Smacker audio (decoders: smackaud)
 ..AIL. smv                  SMV (Selectable Mode Vocoder)
 D.AIL. sol_dpcm             DPCM Sol
 DEAI.. sonic                Sonic
 .EAI.. sonicls              Sonic lossless
 DEAIL. speex                Speex (decoders: speex libspeex) (encoders: libspeex)
 D.A..S tak                  TAK (Tom's lossless Audio Kompressor)
 DEA..S truehd               TrueHD
 D.AIL. truespeech           DSP Group TrueSpeech
 DEAI.S tta                  TTA (True Audio)
 D.AIL. twinvq               VQF TwinVQ
 D.AIL. vmdaudio             Sierra VMD audio
 DEAIL. vorbis               Vorbis (decoders: vorbis libvorbis) (encoders: vorbis libvorbis)
 D.AIL. wady_dpcm            DPCM Marble WADY
 D.AI.S wavarc               Waveform Archiver
 D.AI.. wavesynth            Wave synthesis pseudo-codec
 DEAILS wavpack              WavPack
 D.AIL. westwood_snd1        Westwood Audio (SND1) (decoders: ws_snd1)
 D.AI.S wmalossless          Windows Media Audio Lossless
 D.AIL. wmapro               Windows Media Audio 9 Professional
 DEAIL. wmav1                Windows Media Audio 1
 DEAIL. wmav2                Windows Media Audio 2
 D.AIL. wmavoice             Windows Media Audio Voice
 D.AIL. xan_dpcm             DPCM Xan
 D.AIL. xma1                 Xbox Media Audio 1
 D.AIL. xma2                 Xbox Media Audio 2
 ..D... bin_data             binary data
 ..D... dvd_nav_packet       DVD Nav packet
 ..D... epg                  Electronic Program Guide
 ..D... klv                  SMPTE 336M Key-Length-Value (KLV) metadata
 ..D... mpegts               raw MPEG-TS stream
 ..D... otf                  OpenType font
 ..D... scte_35              SCTE 35 Message Queue
 ..D... smpte_2038           SMPTE ST 2038 VANC in MPEG-2 TS
 ..D... timed_id3            timed ID3 metadata
 ..D... ttf                  TrueType font
 ..S... arib_caption         ARIB STD-B24 caption
 DES... ass                  ASS (Advanced SSA) subtitle (decoders: ssa ass) (encoders: ssa ass)
 DES... dvb_subtitle         DVB subtitles (decoders: dvbsub) (encoders: dvbsub)
 D.S... dvb_teletext         DVB teletext (decoders: libzvbi_teletextdec)
 DES... dvd_subtitle         DVD subtitles (decoders: dvdsub) (encoders: dvdsub)
 D.S... eia_608              EIA-608 closed captions (decoders: cc_dec)
 D.S... hdmv_pgs_subtitle    HDMV Presentation Graphic Stream subtitles (decoders: pgssub)
 ..S... hdmv_text_subtitle   HDMV Text subtitle
 D.S... jacosub              JACOsub subtitle
 D.S... microdvd             MicroDVD subtitle
 DES... mov_text             MOV text
 D.S... mpl2                 MPL2 subtitle
 D.S... pjs                  PJS (Phoenix Japanimation Society) subtitle
 D.S... realtext             RealText subtitle
 D.S... sami                 SAMI subtitle
 ..S... srt                  SubRip subtitle with embedded timing
 ..S... ssa                  SSA (SubStation Alpha) subtitle
 D.S... stl                  Spruce subtitle format
 DES... subrip               SubRip subtitle (decoders: srt subrip) (encoders: srt subrip)
 D.S... subviewer            SubViewer subtitle
 D.S... subviewer1           SubViewer v1 subtitle
 DES... text                 raw UTF-8 text
 .ES... ttml                 Timed Text Markup Language
 D.S... vplayer              VPlayer subtitle
 DES... webvtt               WebVTT subtitle
 DES... xsub                 XSUB