List of codecs

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The following is a list of compression formats and related codecs.

Audio compression formats[edit]

Non-compression[edit]

Lossless compression[edit]

Bluetooth lossless[edit]

Lossy compression[edit]

General/Speech hybrid[edit]

General[edit]

AES3[edit]
  • SMPTE 302M
    • FFmpeg (decoder only)
  • Dolby E
    • FFmpeg (decoder only)
Bluetooth[edit]
Digital radio[edit]

Voice[edit]

(low bit rate, optimized for speech)

Microsoft DirectPlay[edit]

Those codecs are used by many PC games which use voice chats via Microsoft DirectPlay API.

  • Voxware MetaVoice
    • Windows Media Player (voxmvdec.ax)
  • Truespeech
    • Windows Media Player (tssoft32.acm)
    • FFmpeg (decoder only)
  • MS GSM
    • Windows Media Player (msgsm32.acm)
    • libgsm
    • FFmpeg (decoder only)
  • MS-ADPCM
    • Windows Media Player (msadp32.acm)
    • FFmpeg
Digital Voice Recorder[edit]
  • International Voice Association (IVA) standards:
    • Digital Speech Standard / Standard Play (DSS-SP)
      • FFmpeg (decoding only)
    • Digital Speech Standard / Quality Play (DSS-QP)
  • Sony LPEC
  • Truespeech Triple Rate CODER (TRC)[21] – used in some pocket recorders
  • Micronas [de] Intermetall MI-SC4 - used by voice recorders such as RadioShack Digital Recorder[22] and I-O DATA [ja] HyperHyde[23]
    • FFmpeg (decoder only)
Mobile phone[edit]
Generation 2[edit]
Generation 3/4[edit]
  • 3rd Generation Partnership Project (3GPP)
    • Adaptive Multi-Rate (AMR)
      • AMR-NB
        • 3GPP TS 26.073 – AMR speech Codec (C-source code) – reference implementation[24]
        • opencore-amr (one may compile ffmpeg with—enable-libopencore-amrnb to incorporate the OpenCORE lib)
        • FFmpeg (by default decoder only, but see above the compiling options to incorporate the OpenCORE lib)
      • AMR-WB
        • 3GPP TS 26.173 – AMR-WB speech Codec (C-source code) – reference implementation[9]
        • opencore-amr (decoder), from OpenCORE (one may compile ffmpeg with—enable-libopencore-amrwb to incorporate the OpenCORE lib)
        • vo-amrwbenc (encoder), from VisualOn, included in Android (one may compile ffmpeg with—enable-libvo-amrwbenc to incorporate the VisualOn lib)
        • FFmpeg (by default decoder only, but see above the compiling options).
      • AMR-WB+
        • 3GPP TS 26.273 – AMR-WB+ speech Codec (C-source code) – reference implementation[25]
      • Enhanced Voice Services (EVS)
        • 3GPP TS.26.443 – Codec for Enhanced Voice Services (EVS) – ANSI C code (floating-point)[26]
  • 3rd Generation Partnership Project 2 (3GPP2)
Professional mobile radio[edit]
  • APCO
    • Project 25 Phase 2 Enhanced Full-Rate (AMBE+2 4400bit/s with 2800bit/s FEC)
    • Project 25 Phase 2 Half-Rate (AMBE+2 2450bit/s with 1150bit/s FEC) – also used in NXDN and DMR
      • mbelib (decoder only)
    • Project 25 Phase 1 Full Rate (IMBE 7200bit/s)
      • mbelib (decoder only)
  • European Telecommunications Standards Institute (ETSI)
    • ETS 300 395-2 (TETRA ACELP 4.6kbit/s)
  • TETRAPOL
    • RPCELP 6kbit/s
  • D-STAR Digital Voice (AMBE 2400bit/s with 1200bit/s FEC)
    • mbelib (decoder only)
  • Professional Digital Trunking System Industry Association (PDT Alliance) standards:
    • NVOC – used in China
  • Spirit DSP RALCWI
  • DSPINI
    • SPR Robust
    • TWELP Robust
  • Codec2
    • libcodec2
  • RL-CELP (used in Japanese railways[27][28])
Military[edit]

Video games[edit]

  • Bink Audio, Smacker Audio
    • FFmpeg (decoder only)
  • Actimagine (Nintendo European Research & Development) FastAudio[30]
    • MobiclipDecoder (decoder only)
    • FFmpeg (decoder only)
  • Nintendo GCADPCM[31] (a.k.a. DSP ADPCM or THP ADPCM) - used in GameCube, Wii and Nintendo 3DS.
    • vgmstream (decoder only)
    • VGAudio
    • FFmpeg (decoder only)
  • Sony VAG[31] (a.k.a. Sony PSX ADPCM)
    • vgmstream (decoder only)
    • FFmpeg (decoder only)
  • Sony HEVAG[31] - used in PS Vita.[32]
    • vgmstream (decoder only)
  • Sony ATRAC9[31] - used in PS4 and PS Vita.
    • VGAudio (decoder only)
    • FFmpeg (decoder only)
  • Microsoft XMA[31] - WMA variants for Xbox 360 hardware decoding.[33]
    • FFmpeg (decoder only)
  • Xbox ADPCM
    • vgmstream (decoder only)
  • CRI ADX ADPCM
    • vgmstream (decoder only)
    • VGAudio
    • FFmpeg
  • CRI HCA/HCA-MX - used in CRI ADX2 middleware.[34]
    • vgmstream (decoder only)
    • VGAudio
    • FFmpeg (decoder only)
    • libcgss
    • HCADecoder (decoder only)
  • FMOD FADPCM[35]
    • vgmstream (decoder only)

Text compression formats[edit]

Video compression formats[edit]

Non-compression[edit]

  • RGB 4:4:4 (only linear, transfer-converted and bit-reduced also sort of compression up to about 3:1 for HDR)
  • YUV 4:4:4/4:2:2/4:1:1/4:2:0 (all lower 4:4:4 is spatially compressed up to 2:1 for 4:2:0 with specific colour distortions).
    • Intel IYUV
  • 10-bit uncompressed video
  • Composite digital signal - used by SMPTE D-2 and D-3 broadcast digital videocassettes
  • Avid DNxUncompressed
  • V210

Lossless video compression[edit]

  • ITU-T/ISO/IEC standards:
  • IETF standards:
    • FFV1 (RFC 9043)[40]  – FFV1's compression factor is comparable to Motion JPEG 2000, but based on quicker algorithms (allows real-time capture). Written by Michael Niedermayer and published as part of FFmpeg under to GNU LGPL.
      • FFmpeg
  • SMPTE standards:
    • VC-2 HQ lossless (a.k.a. Dirac Pro lossless)
      • libdirac
      • libschroedinger
  • Alparysoft Lossless Video Codec (Alpary)
  • Apple Animation (QuickTime RLE)
    • QuickTime
    • FFmpeg
  • ArithYuv
  • AV1
  • AVIzlib
    • LCL (VfW codec) MSZH and ZLIB[41]
    • FFmpeg
  • Autodesk Animator Codec (AASC)
    • FFmpeg (decoder only)
  • CamStudio GZIP/LZO
    • FFmpeg (decoder only)
  • Chennai Codec (EVX-2)
  • Dxtory
    • FFmpeg (decoder only)
  • FastCodec
  • Flash Screen Video v1/v2[42]
    • FFmpeg
  • FM Screen Capture Codec
    • FFmpeg (decoder only)
  • Fraps codec (FPS1)[43]
    • FFmpeg (decoder only)
  • Grass Valley Lossless
    • Grass Valley Codec Option
    • FFmpeg (decoder only)
  • Huffyuv Huffyuv (or HuffYUV) was written by Ben Rudiak-Gould and published under the terms of the GNU GPL as free software, meant to replace uncompressed YCbCr as a video capture format. It uses very little cpu but takes a lot of disk space. See also ffvhuff which is an "FFmpeg" only version of it.
    • FFmpeg
  • IgCodec
  • Intel RLE
  • innoHeim/Rsupport Screen Capture Codec
    • FFmpeg (decoder only)
  • Lagarith A more up-to-date fork of Huffyuv is available as Lagarith[44]
    • Lagarith Codec (VfW codec)
    • FFmpeg (decoder only)
  • LOCO[45] - based on JPEG-LS
    • FFmpeg (decoder only)
  • MagicYUV[46]
    • MagicYUV SDK
    • FFmpeg (decoder only)
  • Microsoft RLE
  • MSU Lossless Video Codec
  • MSU Screen Capture Lossless
  • CorePNG [de] - based on PNG
    • FFmpeg
  • ScreenPresso (SPV1)
    • FFmpeg (decoder only)
  • ScreenPressor[47] - a successor of MSU Screen Capture Lossless
    • FFmpeg (decoder only)
  • SheerVideo
    • FFmpeg (decoder only)
  • Snow lossless
    • FFmpeg
  • TechSmith Screen Capture Codec (TSCC)[48]
    • EnSharpen Video Codec for QuickTime
    • FFmpeg (decoder only)
  • Toponoky
  • Ut Video Codec Suite[49][50]
    • libutvideo
    • FFmpeg
  • VBLE[51]
    • FFmpeg (decoder only)
  • VMnc VMware screen codec[52] - used by VMware Workstation
    • FFmpeg (decoder only)
  • VP9 by Google[53]
    • libvpx
    • FFmpeg (decoder only)
  • YULS
  • ZeroCodec
    • FFmpeg (decoder only)
  • ZMBV (Zip Motion Block Video) Codec - used by DOSBox
    • FFmpeg

Lossless game codecs[edit]

  • DXA
    • ScummVM Tools (encoder only)
    • FFmpeg (decoder only)

Lossy compression[edit]

General[edit]

Scalable[edit]

VP8,[61] VP9,[61] AV1,[61] and H.266/VVC support scalable modes by default.

Intra-frame-only[edit]

  • Motion JPEG
    • FFmpeg
    • Morgan Multimedia M-JPEG[62]
    • Pegasus PICVideo M-JPEG
    • MainConcept M-JPEG
  • ISO/IEC standard
    • Motion JPEG 2000 (ISO/IEC 15444-3, ITU-T T.802)
      • libopenjpeg
      • FFmpeg
      • Morgan Multimedia M-JPEG2000[63]
      • Morgan Multimedia dcpPlayer (decoder only)[64]
    • JPEG XS (ISO/IEC 21122) Lightweight Low latency video codec
      • intoPIX fastTICO-XS[65]
    • DV (IEC 61834)
      • FFmpeg
    • MPEG-4 SStP (ISO/IEC 14496-2)
    • Motion JPEG XR (ISO/IEC 29199-3, ITU-T T.833)
  • Apple ProRes 422/4444
    • FFmpeg
  • Apple Intermediate Codec
    • FFmpeg (decoder only)
  • Apple Pixlet
    • FFmpeg (decoder only)
  • AVC-Intra
    • x264 (encoder only)
    • FFmpeg (decoder only)
  • AVC-Ultra – a subset of MPEG-4 AVC Hi444PP profile
  • XAVC-I
  • CineForm HD
    • CineForm-SDK  – developed by GoPro (open source)
    • FFmpeg
  • SMPTE standard
    • VC-2 SMPTE standard (a.k.a. Dirac Pro. SMPTE ST 2042)
      • Schrödinger
      • dirac-research
      • VC-2 Reference Encoder and Decoder  – developed by BBC (open source)
      • FFmpeg (the encoder only supports VC-2 HQ profile)
    • VC-3 SMPTE standard (SMPTE ST 2019)
    • VC-5 SMPTE standard (SMPTE ST 2073; a superset of CineForm HD)
  • Grass Valley HQ/HQA/HQX
    • Grass Valley Codec Option
    • FFmpeg (decoder only)
  • NewTek NT25
  • NewTek SpeedHQ - used in Network Device Interface (NDI) protocol
    • NewTek Codec[67]
    • FFmpeg

Stereoscopic 3D[edit]

Security and surveillance cameras[edit]

  • Guobiao standards (GB/T)
    • AVS-S-P2 (suspended[68])
    • SVAC (GB/T 25724-2010)
  • Infinity CCTV Codec (IMM4/IMM5/IMM6)
    • FFmpeg[69][70] (IMM4 and IMM5 decoder only)

CD-ROM or CD-related video codecs[edit]

  • CDXL codec
    • FFmpeg (decoder only)
  • Cinepak[71] (a.k.a. Apple Compact Video)
    • FFmpeg
  • Photo CD codec
    • FFmpeg (decoder only)
  • MotionPixels - used in MovieCD
    • FFmpeg (decoder only)
  • CD+G (CD+Graphics) codec
    • FFmpeg (decoder only)
    • VLC (decoder only)
  • CD+EG (CD+Extended Graphics) codec

Network video codecs[edit]

Bayer video codecs[edit]

  • CinemaDNG (created by Adobe; used in Blackmagic cameras)
  • Redcode RAW (used in RED cameras) – a modified version of JPEG 2000[74]
    • libredcode
  • ArriRaw (used in Arri cameras)
  • Cineform RAW (used in Silicon Imaging cameras)
    • CineForm-SDK
  • Blackmagic RAW (used in Blackmagic cameras)
    • Blackmagic RAW SDK
  • Cintel RAW (used in Cintel Scanner[75])
    • FFmpeg (decoder only)
  • Apple ProRes RAW
  • intoPIX TICO RAW[76]
    • intoPIX fastTICO-RAW SDK & TICO-RAW FPGA/ASIC libraries[77]
  • Canon CRX - used in Canon Cinema Raw Light movie
    • Canon RAW Plugin for Avid Media Access
    • LibRaw (decoder only; open source)

Video games[edit]

Real-time[edit]

  • Hap/Hap Alpha/Hap Q
    • VIDVOX hap codec
    • FFmpeg
  • DXV Codec
    • Resolume DXV Codec
    • FFmpeg (decoder only)
  • NotchLC
    • FFmpeg (decoder only)
  • VESA Display Stream Compression (DSC)
  • VESA Display Compression-M (VDC-M)

See also[edit]

References[edit]

  1. ^ FLAC (Free Lossless Audio Codec), Version 1.1.2 Library of Congress
  2. ^ "About lossless audio in Apple Music".
  3. ^ "BFDLAC: A Fast lossless Audio Compression Algorithm For Drum Sounds" (PDF).
  4. ^ "Lossless Audio Homepage". www.lossless-audio.com.
  5. ^ Shorten Lossless Audio Compression Format (SHN), Version 3.5.1 Library of Congress
  6. ^ "RK Audio - Hydrogenaudio Knowledgebase". wiki.hydrogenaud.io.
  7. ^ IPMR Speech Codec - draft-spiritdsp-ipmr-01.txt IETF
  8. ^ TeamSpirit Voice&Video Engine PC. Spirit DSP
  9. ^ a b c 3GPP (2008-12-11) 3GPP TS 26.173 - AMR-WB speech Codec; version 8.0.0 Release 8, retrieved 2009-09-09
  10. ^ Release of sbc-1.1, BlueZ Project, April 30, 2013
  11. ^ PulseAudio 15 Released With Bluetooth Improvements, Better Hardware Support. Phoronix. July 28, 2021
  12. ^ PipeWire: Bluetooth support status update. Collabora. April 29, 2022
  13. ^ a b Integration of the aptX and aptX-HD codecs for A2DP source, Android Open Source Project, January 4, 2017
  14. ^ The contribution of LDAC encoder, Android Open Source Project, January 10, 2017
  15. ^ "What is LHDC". hwa-audio. Retrieved 2019-04-30.
  16. ^ "What is LLAC™?". LHDC org.[dead link]
  17. ^ Speex Audio Codec, Version 1.2 Library of Congress
  18. ^ a b c d e f Finding voice codecs for free software. Linux.com. October 14, 2005
  19. ^ SILK Speech Codec - draft-vos-silk-02 IETF
  20. ^ Constrained-Energy Lapped Transform (CELT) Codec - draft-valin-celt-codec-02 IETF
  21. ^ DSP Group Unveils Total Telephony Solutions(TM) For Digital Cordless Telephony Applications PRNewswire
  22. ^ RadioShack Digital Recorder OWNER'S MANUAL p.38. RadioShack. 2002.
  23. ^ HyperHyde Operation Manual. p.40. I-O DATA. 2000.
  24. ^ 3GPP (2008-12-11) 3GPP TS 26.073 - AMR speech Codec; version 8.0.0 Release 8, retrieved 2009-09-08.
  25. ^ 3GPP (2008-12-18) 3GPP TS 26.273 - AMR-WB+ speech Codec; version 8.0.0 Release 8, retrieved 2009-09-09
  26. ^ 3GPP TS 26.443. Codec for Enhanced Voice Services (EVS); ANSI C code (floating-point).
  27. ^ INFORMATION COLLECTION SURVEY FOR THE MEGA MANILA SUBWAY PROJECT IN THE REPUBLIC OF THE PHILIPPINES Japan International Cooperation Agency September, 2015
  28. ^ 東北上越新幹線デジタル列車 無線システムの開発 (in Japanese) East Japan Railway Company 2003
  29. ^ Obranovich, Charles R.; Golusky, John M.; Preuss, Robert D.; Fabbri, Darren R.; Cruthirds, Daniel R.; Aylward, Erin M.; Freebersyser, James A.; Kolek, Stephen R. (2010). "300 BPS noise robust vocoder". 2010 - Milcom 2010 Military Communications Conference. pp. 298–303. doi:10.1109/MILCOM.2010.5680311. ISBN 978-1-4244-8178-1. S2CID 8991597.
  30. ^ Actimagine allège le multimédia sur les terminaux portables (in French), IT Industrie & Technologies, June 25, 2004
  31. ^ a b c d e AudioCompressionFormat, Unity Technologies
  32. ^ Audio Clip, Unity Technologies
  33. ^ Differences Between Windows and Xbox 360, Microsoft
  34. ^ 【ひらブラ vol.37】音数を諦めず/音質を妥協せず/負荷を極小にする方法(iOS&Android) (in Japanese), Kadokawa Dwango, September 26, 2014
  35. ^ FMOD Studio 1.06 and FMOD at GDC expo program announced, Gamasutra, February 17, 2015
  36. ^ "Lossless". x265.readthedocs.io.
  37. ^ "HEVC Decoding". x265.
  38. ^ "FFmpeg Now Supports HEVC/H.265 Decoding". phoronix.
  39. ^ "Encode/H.265". FFmpeg.
  40. ^ Niedermayer, Michael; Rice, Dave; Martinez, Jérôme (August 2021). "rfc9043 - FFV1 Video Coding Format Version 0, 1, and 3". datatracker.ietf.org.
  41. ^ "Lossless Codec Libraries". multimedia.cx.
  42. ^ "FFmpeg: libavcodec/flashsv.c File Reference". ffmpeg.org.
  43. ^ "FRAPS show fps, record video game movies, screen capture software". www.fraps.com.
  44. ^ "Lagarith Lossless Video Codec". lags.leetcode.net.
  45. ^ "LOCO - MultimediaWiki". wiki.multimedia.cx.
  46. ^ "MagicYUV – Lossless video codec".
  47. ^ "ScreenPressor by Infognition - lossless video codec for screen capture". infognition.com.
  48. ^ "Downloads". TechSmith.
  49. ^ "#534 (Ut Video Support) – FFmpeg". ffmpeg.org.
  50. ^ "Ut Video Codec Suite - a new lossless video codec for Windows! [Archive] - Doom9's Forum". doom9.org.
  51. ^ "VBLE - MultimediaWiki". wiki.multimedia.cx.
  52. ^ "VMware Video". multimedia.cx.
  53. ^ "The WebM Project - VP8 Encode Parameter Guide". webmproject.org.
  54. ^ Medoff, Norman; Fink, Edward J. (September 10, 2012). Portable Video: ENG & EFP. CRC Press. p. 221. ISBN 9781136047701.
  55. ^ Samuelsson, J. and P. Hermansson (July 2, 2018). "The xvc video codec". datatracker.ietf.org.
  56. ^ Fuldseth, Arild; Bjontegaard, Gisle; Midtskogen, Steinar; Davies, Thomas; Zanaty, Mo (October 31, 2016). "Thor Video Codec". tools.ietf.org.
  57. ^ "Live demonstration". Forbidden.
  58. ^ Indeo Video Codec, Version 3 Library of Congress
  59. ^ Indeo Video Codec, Version 5 Library of Congress
  60. ^ Sorenson Video Codec, Version 3 Library of Congress
  61. ^ a b c Scalable Video Coding (SVC) Extension for WebRTC - 4. Operational model, World Wide Web Consortium, September 26, 2020
  62. ^ "M-JPEG Codec". Montpellier, France: Morgan Multimedia. Retrieved April 28, 2018.
  63. ^ "M-JPEG2000 Codec". Montpellier, France: Morgan Multimedia. Retrieved April 28, 2018.
  64. ^ "dcpPlayer". Montpellier, France: Morgan Multimedia. Retrieved April 28, 2018.
  65. ^ "FastTICO-XS Codec". Mont-Saint-Guibert, Belgium: intoPIX.
  66. ^ FFmpeg-cvslog - mpeg4video: Add support for MPEG-4 Simple Studio Profile., FFmpeg Project, April 2, 2018
  67. ^ NewTek Codec Notes NewTek
  68. ^ Achievement, Audio Video Coding Standard Workgroup of China
  69. ^ FFmpeg-cvslog - avcodec: add IMM4 decoder, FFmpeg Project, August 21, 2018
  70. ^ FFmpeg-cvslog - avcodec: add IMM5 decoder, FFmpeg Project, August 29, 2019
  71. ^ Cinepak Library of Congress
  72. ^ SunVideo Plus for PCI User's Guide - Audio Video Conferencing. Oracle
  73. ^ vic: Change History. Lawrence Berkeley National Laboratory
  74. ^ libredcode
  75. ^ Cintel Scanner p.35. Blackmagic Design. May, 2020.
  76. ^ intoPIX Tico Raw is a format with a huge potential
  77. ^ intoPIX Tico Raw
  78. ^ 独自コーデックを搭載したニンテンドーDS版Sofdec (in Japanese) CRI Middleware, May 11, 2006
  79. ^ CRI・ミドルウェア、ゲーム開発者向けブログ「CRIチャンネル」を開設 (in Japanese) Impress Watch Corporation, April 19, 2007

External links[edit]