GStreamer -- an open multimedia framework

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(Last updated: Feb. 26, 2001)

GStreamer is a framework for creating streaming media applications. The fundamental design comes from the video pipeline at Oregon Graduate Institute, as well as some ideas from DirectShow.

GStreamer's development framework makes it possible to write any streaming multimedia application. The framework includes several components to build a full featured media player capable of playing MPEG1, MPEG2, AVI, MP3, WAV, AU, . . .

GStreamer, however, is much more than just another media player. Its main advantages are that the pluggable components also make it possible to write a full flegded video or audio editing application.

The framework is based on plug-ins that will provide the various codec and other functionality. The plugins can be connected and arranged in a pipeline. This pipeline defines the flow of the data. Pipelines can also be edited with a GUI editor and saved as XML so that pipeline libraries can be made with a minimum of effort.

GStreamer allows the construction of graphs of media-handling components, ranging from simple mp3 playback to complex audio (mixing) and video (non-linear editing) processing. Applications can take advantage of advances in codec and filter technology transparently. Developers can add new codecs and filters by writing a simple plugin with a clean, generic interface. GStreamer is released under the LGPL, with many of the included plugins retaining the license of the code they were derived from, usually GPL or BSD.

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