libavcodec is a free software/open source LGPL-licensed library of codecs for encoding and decoding video and audio data; it is written in the C programming language. It is part of the FFmpeg-project and many free/open source applications rely on it. Free software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions only to ensure that further recipients can also do these things. ... Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is an FSF approved Free Software license designed as a compromise between the GNU General Public License and simple permissive licenses such as the BSD license and the MIT License. ... Codec is a portmanteau of coder/decoder, which describes a device or program capable of performing transformations on a data stream or signal. ... C is a general-purpose, block structured, procedural, imperative computer programming language developed in 1972 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system. ... FFmpeg is a collection of software libraries that can record, convert and stream digital audio and video in numerous formats. ...

Implemented Video Codecs

• AVS (decoding only)
• CamStudio CSCD
• Cinepak
• Creative YUV (CYUV)
• DNxHD
• Flash Screen Video
• FFV1
• H.261
• H.263
• H.264/MPEG-4 AVC (decoding only)
• Huffyuv
• id Software RoQ Video
• Intel Indeo 2 (decoding only)
• Intel Indeo 3 (decoding only)
• LOCO (decoding only)
• MJPEG
• MPEG-1
• MPEG-2
• MPEG-4 Part 2 (the format used for example by the popular DivX and Xvid codecs)
• Apple Computer QuickDraw (decoding only)
• Quicktime Graphics SMC
• RealVideo RV10
• RealVideo RV20
• Snow
• Sorenson SVQ1
• Sorenson SVQ3 (decoding only)
• Theora (decoding only)
• Asus V1
• Asus V2
• Sierra VMD Video
• VMware VMnc (decoding only)
• On2 VP3 (decoding only)
• On2 VP5 (decoding only)
• On2 VP6 (decoding only)
• Westwood Studios VQA
• Microsoft WMV — version 7 and 8
• Microsoft WMV — version 9 (decoding only)
• Wing Commander/Xan Video (decoding only)

Audio Video Standard, or AVS, is a compression codec for digital audio and video, and a possible alternative to H.264/AAC/Vorbis [1], meant to potentially replace MPEG-2. ... CamStudio is a screen capture program that is free, unlike Hypercam and Camtasia Studio. ... Compressed with Cinepak, quality 40% Cinepak is a video codec, developed by Radius Inc to accommodate 1x (150 kbyte/s) CD-ROM transfer rates. ... Look up Creative in Wiktionary, the free dictionary The term creative can refer to: Creativity is defined as the ability to be creative. ... Avid DNxHD is a high-definition video post-production codec engineered for multi-generation compositing with reduced storage and bandwidth requirements. ... FFV1, which represents FF video codec 1, is an experimental video encoder and decoder employing relatively high compression that is lossless and intra-frame only. ... H.261 is an 1990 ITU video coding standard originally designed for transmission over ISDN lines on which data rates are multiples of 64 kbit/s. ... H.263 is a video codec designed by the ITU-T as a low-bitrate encoding solution for videoconferencing. ... H.264 is a standard for video compression. ... Huffyuv (or HuffYUV) is a lossless video codec created by Ben Rudiak-Gould which is meant to replace uncompressed YCbCr as a video capture format. ... id Software (IPA: officially, though originally ) is an American computer game developer based in Mesquite, Texas, a suburb of Dallas. ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... Indeo Video (commonly known now simply as Indeo) is a video codec developed by Intel in 1992. ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... Indeo Video (commonly known now simply as Indeo) is a video codec developed by Intel in 1992. ... Motion JPEG (M-JPEG) is an informal name for multimedia formats where each video frame or interlaced field of a digital video sequence is separately compressed as a JPEG image. ... MPEG-1 defines a group of Audio and Video (AV) coding and compression standards agreed upon by MPEG (Moving Picture Experts Group). ... MPEG-2 is a standard for the generic coding of moving pictures and associated audio information [1]. It is widely used around the world to specify the format of the digital television signals that are broadcast by terrestrial (over-the-air), cable, and direct broadcast satellite TV systems. ... MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ... This article is about the video codec. ... Xvid (formerly XviD) is a video codec library following the MPEG-4 standard. ... Apple Inc. ... Two quickdraws. ... QuickTime is a multimedia framework developed by Apple Inc. ... SMC may stand for: SMC connector (SubMiniature version C connectors for radio-frequency circuits) SMC Corporation of America (pneumatic automation products) SMC Marine Services (ocean going bulk cargo shipping) SMC Networks (semiconductors) San Mateo County Santa Monica College Science Media Centre at the Royal Institution of Great Britain Scottish Mountaineering... RealVideo is a proprietary video format developed by RealNetworks. ... RealVideo is a proprietary video format developed by RealNetworks. ... Snow is an experimental video codec developed by Michael Niedermayer for the FFmpeg package. ... The Sorenson codec (also known as Sorenson Video Codec 3 or SVQ3) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ... The Sorenson codec (also known as Sorenson Video Codec 3 or SVQ3) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ... The Sorenson codec (also known as Sorenson Video Codec 3 or SVQ3) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ... The Sorenson codec (also known as Sorenson Video Codec 3 or SVQ3) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ... Theora is a video codec being developed by the Xiph. ... For other uses, see ASUS (disambiguation). ... For other uses, see ASUS (disambiguation). ... Look up sierra in Wiktionary, the free dictionary. ... VMware, Inc. ... NatusRoma 00:49, 12 Jun 2005 (UTC) Categories: Possible copyright violations ... VP3 was originally a proprietary video codec developed by On2 Technologies. ... NatusRoma 00:49, 12 Jun 2005 (UTC) Categories: Possible copyright violations ... VP5 is a video codec which was created by On2 Technologies in February 2002. ... NatusRoma 00:49, 12 Jun 2005 (UTC) Categories: Possible copyright violations ... TrueMotion VP6 is a video codec developed by On2 Technologies as a successor to earlier efforts such as VP3 and VP5. ... Westwood Studios (1985-2003) was a computer and video game developer, founded in 1985 as Westwood Associates by Brett Sperry and Louis Castle and based in Las Vegas, Nevada. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... Windows Media Video (WMV) is a generic name for the set of video codec technologies developed by Microsoft. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... Windows Media Video (WMV) is a generic name for the set of video codec technologies developed by Microsoft. ... Wing Commander (often referred to as Wing Commander I or WC1) is the first, eponymous game in Chris Roberts science fiction space simulation franchise. ...

Implemented Audio Codecs

• AC-3
• Apple Lossless (decoding only)
• ATRAC3 (decoding only)
• Cook Codec (decoding only)
• FLAC
• Intel Music Coder (decoding only)
• Monkey's Audio (decoding only)
• MP2
• MP3 (native decoder, encoding through LAME)
• Nellymoser Asao Codec in Flash (decoding only)
• QDM2 (decoding only)
• RealAudio 1.0 (decoding only)
• RealAudio 2.0 (decoding only)
• Shorten (decoding only)
• Truespeech (decoding only)
• TTA (decoding only)
• Vorbis
• WavPack (decoding only)
• Windows Media Audio 1
• Windows Media Audio 2

Description Dolby Digital is the trademark for Dolby Laboratories AC-3 audio coding system. ... Apple Lossless (also known as Apple Lossless Encoder, ALE, or Apple Lossless Audio Codec, ALAC) is an audio codec developed by Apple Inc. ... ATRAC (Adaptive TRansform Acoustic Coding) is an audio compression algorithm used to store information on Minidiscs and other Sony_branded audio players. ... The cook codec is a lossy audio compression codec developed by RealNetworks. ... FLAC, an acronym for Free Lossless Audio Codec, is a popular file format for audio data compression. ... Monkey’s Audio is a file format for audio data compression. ... MP2 (sometimes incorrectly named Musicam) is a short form of MPEG-1 Audio Layer II, and it is also used as a file extension for files containing audio data of this type. ... For other uses, see MP3 (disambiguation). ... Look up lame in Wiktionary, the free dictionary. ... The Nellymoser Asao codec is a proprietary single-channel (mono) format optimized for low-bitrate transmission of audio. ... The QDesign Music Codec was originally LBpack, by Dmitry Shmunk. ... VSELP stands for Vector Sum Excited Linear Prediction and is a speech coding method used in the IS-54 standard. ... G.728 is a ITU-T standard for speech coding operating at 16 kbit/s. ... SHN (Shorten) is a file format used to losslessly compress CD-quality audio files (44. ... Truespeech is a proprietary audio codec produced by the DSP Group. ... True Audio (abbreviated TTA) is a free, simple real-time lossless audio codec, based on adaptive prognostic filters which has shown satisfactory results comparing to majority of modern analogs. ... Vorbis is an open source, lossy audio codec project headed by the Xiph. ... WavPack is a free, open source lossless audio compression format developed by David Bryant. ... Windows Media Audio (WMA) is an audio data compression technology developed by Microsoft. ... Windows Media Audio (WMA) is an audio data compression technology developed by Microsoft. ...

Applications using libavcodec

• ac3encode -an DirectShow AC3 Encoder
• AtGLas
• Avidemux
• avifile
• Avview
• bbplay
• BeOS FFmpeg decoders
• BeOS HybridDivx
• BeSweet
• Blender
• Chroma Player
• chronictv
• Cinelerra
• CorePlayer
• D-Volution
• DivXray
• DivXtoDVD
• Dr. Divx
• DreaMule(Use a layer called "SimpleVLC")
• dvbcut
• DVDFlick
• Easy VOB 2 DivX
• Ekiga
• ffdshow (wraps libavcodec as a DirectShow filter and adds postprocessing to improve image quality; once installed, it is automatically used by all Windows DirectShow video players, such as Windows Media Player, Media Player Classic, Winamp, Zoom Player etc.)
• ffdshow tryouts
• FFmpeg
• ffmpeg-php
• ffmpeg2theora
• FFMPEG for QT
• ffmpegX for Mac OS X
• ffmpegX Companion
• FFRecord
• fftv
• FFusion - an alternative codec suit for Mac OS X
• FMJ
• Fobs
• FreeJ
• [Frogger]
• [Gallery]
• gmerlin
• Gnash
• GOM Player
• GPAC
• GStreamer
• HandBrake
• HTS (Home Theater System)
• Hyperion
• ImTOO DVD Ripper
• Jffmpeg
• Kdenlive