|  |  | GStreamer 0.10 Core Reference Manual |

## GStreamer Core Library

Gst — Media library supporting arbitrary formats and filter graphs.
GstAtomicQueue — An atomic queue implementation
GstBin — Base class and element that can contain other elements
GstBuffer — Data-passing buffer type, supporting sub-buffers.
GstBufferList — Grouped scatter data buffer type for data-passing
GstBus — Asynchronous message bus subsystem
GstCaps — Structure describing sets of media formats
GstChildProxy — Interface for multi child elements.
GstClock — Abstract class for global clocks
gstconfig — Build configuration options
GstDateTime — A date, time and timezone structure
GstElement — Abstract base class for all pipeline elements
GstElementFactory — Create GstElements from a factory
GstGError — Categorized error messages
GstEvent — Structure describing events that are passed up and down a pipeline
GstFilter — A utility function to filter GLists.
GstFormat — Dynamically register new data formats
GstGhostPad — Pseudo link pads
GstImplementsInterface — Core interface implemented by GstElement instances that allows runtime querying of interface availability
GstIndex — Generate indexes on objects
GstIndexFactory — Create GstIndexes from a factory
GstIterator — Object to retrieve multiple elements in a threadsafe way.
GstMessage — Lightweight objects to signal the application of pipeline events
GstMiniObject — Lightweight base class for the GStreamer object hierarchy
GstObject — Base class for the GStreamer object hierarchy
GstPad — Object contained by elements that allows links to other elements
GstPadTemplate — Describe the media type of a pad.
GstParamSpec — GParamSpec implementations specific to GStreamer
GstParse — Get a pipeline from a text pipeline description
GstPipeline — Top-level bin with clocking and bus management functionality.
GstPlugin — Container for features loaded from a shared object module
GstPluginFeature — Base class for contents of a GstPlugin
GstPoll — Keep track of file descriptors and make it possible to wait on them in a cancelable way
GstPreset — helper interface for element presets
GstQuery — Dynamically register new query types. Provide functions to create queries, and to set and parse values in them.
GstRegistry — Abstract base class for management of GstPlugin objects
GstSegment — Structure describing the configured region of interest in a media file.
GstStructure — Generic structure containing fields of names and values
GstSystemClock — Default clock that uses the current system time
GstTagList — List of tags and values used to describe media metadata
GstTagSetter — Element interface that allows setting and retrieval of media metadata
GstTask — Abstraction of GStreamer streaming threads.
GstTaskPool — Pool of GStreamer streaming threads
GstTypeFind — Stream type detection
GstTypeFindFactory — Information about registered typefind functions
GstUriHandler — Interface to ease URI handling in plugins.
GstUtils — Various utility functions
GstValue — GValue implementations specific to GStreamer
GstVersion — GStreamer version macros.
GstXML — XML save/restore operations of pipelines

libgstreamer-0.10.so provides all the core GStreamer services, including initialization, plugin management and types, as well as the object hierarchy that defines elements and bins, along with some more specialized elements.

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