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