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adder — Adds multiple streams
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alsa — ALSA plugin library
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app — Elements used to communicate with applications
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audioconvert — Convert audio to different formats
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audiorate — Adjusts audio frames
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audioresample — Resamples audio
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audiotestsrc — Creates audio test signals of given frequency and volume
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cdparanoia — Read audio from CD in paranoid mode
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encoding — various encoding-related elements
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gio — GIO elements
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ivorbisdec — Vorbis Tremor decoder
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libvisual — libvisual visualization plugins
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ogg — ogg stream manipulation (info about ogg: http://xiph.org)
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opus — OPUS plugin library
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pango — Pango-based text rendering and overlay
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playback — various playback elements
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rawparse — Parses byte streams into raw frames
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subparse — Subtitle parsing
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tcp — transfer data over the network via TCP
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theora — Theora plugin library
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typefindfunctions — default typefind functions
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videoconvert — Colorspace conversion
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videorate — Adjusts video frames
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videoscale — Resizes video
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videotestsrc — Creates a test video stream
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volume — plugin for controlling audio volume
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vorbis — Vorbis plugin library
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ximagesink — X11 video output element based on standard Xlib calls
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xvimagesink — XFree86 video output plugin using Xv extension