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Free and open-source software portal; 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.
FFmpeg is a free and open-source software project consisting of a suite of libraries and programs for handling video, audio, and other multimedia files and streams. At its core is the command-line ffmpeg tool itself, designed for processing video and audio files.
The reference implementation is released under the LGPL 2.1 and currently available in version 2.0 (as of 12/2020) [8] FFmpeg codecs – Codecs in the libavcodec library from the FFmpeg project (FFV1, Snow, MPEG-1, MPEG-2, MPEG-4 part 2, MSMPEG-4, WMV2, SVQ1, MJPEG, HuffYUV and others). Decoders in the libavcodec (H.264, SVQ3, WMV3, VP3, Theora ...
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.
The first versions of ffdshow were published in May 2002, as an alternative to the DivX ;-) 3.11 and DivX 5.02 (which came bundled with Gator [6]) decoders of the time, and as a way to combine the speed and quality of MPlayer with popular Windows video players. It continues to support more formats, new and old, as FFmpeg developers add support ...
The GNU Lesser General Public License (LGPL) is a free-software license published by the Free Software Foundation (FSF). The license allows developers and companies to use and integrate a software component released under the LGPL into their own (even proprietary) software without being required by the terms of a strong copyleft license to release the source code of their own components.
While version 2.1 of the LGPL was a standalone licence, the current LGPL version 3 is based on a reference to the GPL.. Compared to the GNU Classpath license above, the LGPL formulates more requirements to the linking exception: licensees must allow modification of the portions of the library they use and reverse engineering (of their software and the library) for debugging such modifications.
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]