gst-plugins-base Elements

adder — Add N audio channels together
alsamixer — control properties of an audio device
alsasink — play audio to an ALSA device
alsasrc — capture audio from an alsa device
audioconvert — Convert audio to different formats
audioresample — Resample audio
audiotestsrc — Creates audio test signals of given frequency and volume
cdparanoiasrc — Read audio from CD in paranoid mode
clockoverlay — Overlays the current clock time on a video stream
ffmpegcolorspace — Converts video from one colorspace to another
gdppay — Payloads GStreamer Data Protocol buffers
gdpdepay — Depayloads GStreamer Data Protocol buffers
gnomevfssink — Write a stream to a GnomeVFS URI
gnomevfssrc — Read from any GnomeVFS-supported location
multifdsink — Send data to multiple file descriptors
oggdemux — a demuxer for ogg files
playbin — Autoplug and play media from an uri
decodebin2 — Next-generation automatic decoding bin
tcpserversink — Send data as a server over the network via TCP
theoradec — decode raw theora streams to raw YUV video
theoraenc — encode raw YUV video to a theora stream
textoverlay — Adds text strings on top of a video buffer
textrender — Renders a text string to an image bitmap
timeoverlay — Overlays buffer time stamps on a video stream
videorate — retimestamps and drops/duplicates video frames to match the source pad's framerate and create a perfect stream
videoscale — Resizes video
videotestsrc — Creates a test video stream
volume — Set volume on audio/raw streams
vorbisdec — a decoder that decodes Vorbis to raw audio
vorbisenc — an encoder that encodes audio to Vorbis
vorbisparse — parses vorbis streams
vorbistag — retags vorbis streams
ximagesink — A standard X based videosink
xvimagesink — A Xv based videosink