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libavcodec is a free and open-source [4] library of codecs for encoding and decoding video and audio data. [ 5 ] libavcodec is an integral part of many open-source multimedia applications and frameworks.
Avidemux is a free and open-source software application for non-linear video editing and transcoding multimedia files. The developers intend it as "a simple tool for simple video processing tasks" and to allow users "to do elementary things in a very straightforward way". [ 3 ]
The LGPL-licensed libavcodec by FFmpeg includes an H.264 decoder. It can decode Main Profile and High Profile video. It is used in many programs like in the free VLC media player and MPlayer multimedia players. FFmpeg can also optionally (set at build time) link to the x264 library to encode H.264.
ffdshow uses the libavcodec library and several other free, open source software packages to decode video in most common formats, such as: MPEG-4 Part 2 (including video encoded with Xvid, 3ivx, and all versions of DivX). Flash Video, H.263 and VP6 (used by sites such as YouTube). H.264/AVC, Theora, WMV as well as numerous others.
The Libav project was a fork of the FFmpeg project. [6] It was announced on March 13, 2011 by a group of FFmpeg developers. [7] [8] [9] The event was related to an issue in project management and different goals: FFmpeg supporters wanted to keep development velocity in favour of more features, while Libav supporters and developers wanted to improve the state of the code and take the time to ...
Now, let's take a look at some numbers. VLC: over 100 million downloads just for version 0.8.6. Avidemux (a video editor which, again, would be nothing without libavcodec, its most important component): over 3 million downloads. Saying that something so immensely popular, important and widely used is non-notable is strangely peculiar.—
FFmpeg codecs in the libavcodec library, e.g. AC-3, AAC, ADPCM, PCM, Apple Lossless, FLAC, WMA, Vorbis, MP2, etc. FAAD2 – open-source decoder for Advanced Audio Coding. There is also FAAC, the same project's encoder, but it is proprietary (but still free of charge). libgsm – Lossy compression
The encoder and decoder have been part of the free, open-source library libavcodec in the project FFmpeg since June 2003. [5] FFV1 is also included in ffdshow and LAV Filters , [ 6 ] which makes the video codec available to Microsoft Windows applications that support system-wide codecs over Video for Windows (VfW) or DirectShow .