ruby-****@sourc*****
ruby-****@sourc*****
2004年 3月 2日 (火) 06:05:05 JST
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REMOTE_ADDR = 217.117.55.140
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URL = http://ruby-gnome2.sourceforge.jp/?Gst%3A%3ARegistry
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= class Gst::Registry
Abstract class for managing plugins.
== Object Hierarchy
* Object
* GLib::Instantiatable
* GLib::Object
* Gst::Registry
== Class Methods
--- Gst::Registry.add(registry, priority)
Adds the registry to the pool with the given priority.
* priority: the priority (as a Fixnum).
* registry: a Gst::Registry.
* Returns: always nil.
--- Gst::Registry.add_plugin(plugin)
Adds the plugin to the global pool of plugins.
* plugin: a Gst::Plugin.
* Returns: always nil.
--- Gst::Registry.each { |registry| ... } -> nil
Calls the block for each registries in the pool, passing a reference to
the Gst::Registry as parameter.
* Returns: always nil.
--- Gst::Registry.each_feature(feature_type) { |plugin_feature| ... }
Calls the block for each plugin features of the given type in the pool,
passing a reference to the Gst::PluginFeature as parameter.
- Valid features types are:
- * Gst::AutoplugFactory;
- * Gst::ElementFactory;
- * Gst::IndexFactory;
- * Gst::SchedulerFactory;
- * Gst::TypeFactory.
+ Valid features types are Gst::AutoplugFactory, Gst::ElementFactory,
+ Gst::IndexFactory, Gst::SchedulerFactory and Gst::TypeFactory.
* Returns: always nil.
--- Gst::Registry.each_plugin { |plugin| ... }
Calls the block for each plugin in the pool, passing a reference to
the Gst::Plugin as parameter.
* Returns: always nil.
--- Gst::Registry.find_feature(feature_name, feature_type)
Finds the plugin feature with the given name and type from the pool of
registries, as a Gst::PluginFeature reference.
- Valid features types are:
- * Gst::AutoplugFactory;
- * Gst::ElementFactory;
- * Gst::IndexFactory;
- * Gst::SchedulerFactory;
- * Gst::TypeFactory.
+ Valid features types are Gst::AutoplugFactory, Gst::ElementFactory,
+ Gst::IndexFactory, Gst::SchedulerFactory and Gst::TypeFactory.
* feature_name: a name of a feature.
* feature_type: a type of a feature.
* Returns: a Gst::PluginFeature reference, or nil if the named plugin feature is not found.
--- Gst::Registry.find_plugin(name)
Finds the plugin with the given name in the registry.
* name: a plugin name.
* Returns: a reference to the Gst::Plugin object if found, otherwise returns nil.
--- Gst::Registry.get_features(feature_type)
Gets a list of all plugin features of the given type in the pool.
- Valid features types are:
- * Gst::AutoplugFactory;
- * Gst::ElementFactory;
- * Gst::IndexFactory;
- * Gst::SchedulerFactory;
- * Gst::TypeFactory.
+ Valid features types are Gst::AutoplugFactory, Gst::ElementFactory,
+ Gst::IndexFactory, Gst::SchedulerFactory and Gst::TypeFactory.
* feature_type: a feature type.
* Returns: an array of Gst::PluginFeature objects.
--- Gst::Registry.get_prefered(flags)
This method returns the prefered registry with the given flags.
* flags: registry flags (see ((<GstRegistryFlags|Gst::Registry#GstRegistryFlags>))).
* Returns: the prefered registry with the given flags.
--- Gst::Registry.load_all
Loads all the registries in the pool.
Registries with the Gst::Registry::DELAYED_LOADING flag on will not be loaded.
* Returns: always nil.
--- Gst::Registry.plugins
Gets a list of all plugins in the pool.
* Returns: an array of Gst::Plugin objects.
--- Gst::Registry.registries
Gets a list of all registries in the pool.
* Returns: an Array of Gst::Registry objects.
--- Gst::Registry.remove(registry)
Removes the registry from the pool.
* registry: a Gst::Registry.
* Returns: always nil.
== Instance Methods
--- add_path(path)
Add the given path to the registry.
The syntax of the path is specific to the registry.
If the path has already been added, do nothing.
* path: a path (a String object).
* Returns: self.
--- add_plugin(plugin)
Adds a plugin to the registry. The 'plugin-added' signal will be emitted.
* plugin: a Gst::Plugin.
* Returns: true on success, false otherwise.
--- clear_paths
Clears the paths of the registry.
* Returns: self.
--- details
This method returns some details about the registry, or nil if the registry has no details.
* Returns: some details about the registry, or nil if the registry has no details.
--- each_path { |path| ... }
Calls the block for each path of the registry, passing a reference to
the path (a String object) as parameter.
* Returns: always nil.
--- find_feature(feature_name, feature_type)
Finds the plugin feature with the given name and type in the registry.
- Valid features types are:
- * Gst::AutoplugFactory;
- * Gst::ElementFactory;
- * Gst::IndexFactory;
- * Gst::SchedulerFactory;
- * Gst::TypeFactory.
+ Valid features types are Gst::AutoplugFactory, Gst::ElementFactory,
+ Gst::IndexFactory, Gst::SchedulerFactory and Gst::TypeFactory.
* feature_name: a feature name.
* feature_type: a feature type.
* Returns: a reference to a Gst::PluginFeature on success, or nil if the named plugin feature is not found.
--- find_plugin(name)
Finds the plugin with the given name in the registry.
* name: a plugin name.
* Returns: a reference to a Gst::Plugin object if found, otherwise returns nil.
--- load
Loads the registry.
* Returns: true on success, otherwise false.
--- load_plugin(plugin)
Brings the specified plugin from the registry into memory.
* plugin: a Gst::Plugin.
* Returns: a code indicating the result (see ((<GstRegistryReturn|Gst::Registry#GstRegistryReturn>))).
--- loaded?
This method returns true if the registry is currently loaded, false otherwise.
* Returns: true if the registry is currently loaded, false otherwise.
--- name
This method returns the name of the registry.
* Returns: the name of the registry.
--- paths
Gets a list of paths of the registry.
* Returns: an array of strings.
--- rebuild
Rebuilds the registry.
* Returns: true on success, otherwise false.
--- remove_plugin(plugin)
Removes a plugin from the registry.
* plugin: a Gst::Plugin.
* Returns: self.
--- save
Saves the contents of the registry.
* Returns: true on success, otherwise false.
--- unload
Unloads the registry.
* Returns: true on success, otherwise false.
--- unload_plugin(plugin)
Unloads a plugin from the registry.
* plugin: a Gst::Plugin.
* Returns: a code indicating the result (see ((<GstRegistryReturn|Gst::Registry#GstRegistryReturn>))).
--- update_plugin(plugin)
Updates a plugin in the registry.
* plugin: a Gst::Plugin.
* Returns: a code indicating the result (see ((<GstRegistryReturn|Gst::Registry#GstRegistryReturn>))).
== Constants
=== GstRegistryFlags
--- DELAYED_LOADING
--- EXISTS
--- READABLE
--- REMOTE
--- WRITABLE
=== GstRegistryReturn
--- LOAD_ERROR
--- OK
--- PLUGIN_LOAD_ERROR
--- PLUGIN_SIGNATURE_ERROR
--- SAVE_ERROR
== Signals
--- plugin-added
== See Also
((<Gst>)).
- ((<lrz>))