# Part I. GStreamer Base Plugins Libraries

Table of Contents

Compiling — How to compile against the base plugins libraries
Allocators Library
  dmabuf — Memory wrapper for Linux dmabuf memory
  fdmemory — Memory wrapper for fd backed memory
App Library
  appsrc — Easy way for applications to inject buffers into a pipeline
  appsink — Easy way for applications to extract samples from a pipeline
Audio Library
  gstaudio — Support library for audio elements
  gstaudiometa — Buffer metadata for audio downmix matrix handling
  gstaudiocdsrc — Base class for Audio CD sources
  gstaudioclock — Helper object for implementing audio clocks
  gstaudiodecoder — Base class for audio decoders
  gstaudioencoder — Base class for audio encoders
  gstaudiofilter — Base class for simple audio filters
  gstaudiosink — Simple base class for audio sinks
  gstaudiosrc — Simple base class for audio sources
  gstaudiobasesink — Base class for audio sinks
  gstaudiobasesrc — Base class for audio sources
  gstaudiochannels — Support library for audio channel handling
  GstAudioConverter
  GstAudioQuantize
  gstaudioringbuffer — Base class for audio ringbuffer implementations
  gstaudioiec61937 — Utility functions for IEC 61937 payloading
  gststreamvolume — Interface for elements that provide a stream volume
FFT Library
  gstfft — General FFT functions and declarations
  gstffts16 — FFT functions for signed 16 bit integer samples
  gstffts32 — FFT functions for signed 32 bit integer samples
  gstfftf32 — FFT functions for 32 bit float samples
  gstfftf64 — FFT functions for 64 bit float samples
Riff Media Library
  gstriff — Riff fileformat utillity functions.
RTP Library
  gstrtpbaseaudiopayload — Base class for audio RTP payloader
  gstrtpbasedepayload — Base class for RTP depayloader
  gstrtpbasepayload — Base class for RTP payloader
  gstrtpbuffer — Helper methods for dealing with RTP buffers
  gstrtcpbuffer — Helper methods for dealing with RTCP buffers
  gstrtppayloads — Helper methods for dealing with RTP payloads
  gstrtphdrext — Helper methods for dealing with RTP header extensions
RTSP Library
  gstrtspconnection — manage RTSP connections
  gstrtspdefs — common RTSP defines
  gstrtspextension — Interface for extending RTSP protocols
  gstrtspmessage — RTSP messages
  gstrtsprange — dealing with time ranges
  gstrtsptransport — dealing with RTSP transports
  gstrtspurl — handling RTSP urls
SDP Library
  gstsdpmessage — Helper methods for dealing with SDP messages
MIKEY Library
  gstmikey — Helper methods for dealing with MIKEY messages
Tag Support Library
  gsttag — additional tag definitions for plugins and applications
  gsttagvorbis — tag mappings and support functions for plugins dealing with vorbiscomments
  gsttagid3 — tag mappings and support functions for plugins dealing with ID3v1 and ID3v2 tags
  gsttagexif — tag mappings and support functions for plugins dealing with exif tags
  gsttagxmp — tag mappings and support functions for plugins dealing with xmp packets
  gsttagxmpwriter — Interface for elements that provide XMP serialization
  gsttagdemux — Base class for demuxing tags that are in chunks directly at the beginning or at the end of a file
  gsttagmux — Base class for adding tags that are in one single chunk directly at the beginning or at the end of a file
  gsttaglanguagecodes — mappings for ISO-639 language codes and names
  gsttaglicenses — utility functions for Creative Commons licenses
Base Utils Library
  gstpbutils — General Application and Plugin Utility Library
  gstpluginsbaseversion — GStreamer gst-plugins-base libraries version macros.
  gstpbutilscodecutils — Miscellaneous codec-specific utility functions
  gstpbutilsdescriptions — Provides human-readable descriptions for caps/codecs and encoder, decoder, URI source and URI sink elements
  gstpbutilsmissingplugins — Create, recognise and parse missing-plugins messages
  gstpbutilsinstallplugins — Missing plugin installation support for applications
  gstdiscoverer — Utility for discovering information on URIs.
  encoding-profile — Encoding profile library
Video Library
  gstvideo — Support library for video operations
  gstvideometa
  gstvideoaffinetransformationmeta
  gstvideooverlaycomposition — Video Buffer Overlay Compositions (Subtitles, Logos)
  gstvideofilter — Base class for video filters
  GstVideoDither — Utility object for dithering and quantizing lines of video
  GstVideoChroma — Functions and utility object for operating on chroma video planes
  GstVideoResampler — Utility structure for resampler information
  GstVideoScaler — Utility object for rescaling video frames
  gstvideosink — Base class for video sinks
  gstcolorbalance — Interface for adjusting color balance settings
  gstcolorbalancechannel — Object representing a channel from the GstColorBalance interface.
  gstvideodirection — Interface for elements providing video rotation and flipping controls
  gstvideoorientation — Interface for elements providing video orientation controls
  gstvideooverlay — Interface for setting/getting a window system resource on elements supporting it to configure a window into which to render a video.
  GstVideoDecoder — Base class for video decoders
  GstVideoEncoder — Base class for video encoders
  GstVideoPool — GstBufferPool for raw video buffers
  gstvideoutils
  gstnavigation — Interface for creating, sending and parsing navigation events.

This manual describes the libraries provided by the GStreamer Base Plugins package.

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