gstreamermm
1.4.3
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A base class for anything that can be added to a Gst::Plugin. More...
Public Types | |
typedef sigc::slot< bool, const Glib::RefPtr < Gst::PluginFeature >& > | SlotFilter |
For example, bool on_filter(const Glib::RefPtr<Gst::PluginFeature>& feature);. More... | |
Public Member Functions | |
virtual | ~PluginFeature () |
GstPluginFeature* | gobj () |
Provides access to the underlying C GObject. More... | |
const GstPluginFeature* | gobj () const |
Provides access to the underlying C GObject. More... | |
GstPluginFeature* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More... | |
void | set_rank (guint rank) |
Specifies a rank for a plugin feature, so that autoplugging uses the most appropriate feature. More... | |
guint | get_rank () const |
Gets the rank of a plugin feature. More... | |
Glib::RefPtr< Gst::PluginFeature > | load () |
Loads the plugin containing feature if it's not already loaded. More... | |
Glib::RefPtr< Gst::Plugin > | get_plugin () const |
Get the plugin that provides this feature. More... | |
bool | check_version (guint min_major, guint min_minor, guint min_micro) const |
Checks whether the given plugin feature is at least the required version. More... | |
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virtual | ~Object () |
GstObject* | gobj () |
Provides access to the underlying C GObject. More... | |
const GstObject* | gobj () const |
Provides access to the underlying C GObject. More... | |
GstObject* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More... | |
bool | is_element () const |
bool | is_element_factory () const |
bool | is_pad () const |
bool | is_pad_template () const |
bool | is_bin () const |
guint32 | get_flags () const |
Returns the entire set of flags for the object. More... | |
bool | set_name (const Glib::ustring& name) |
Sets the name of object, or gives object a guaranteed unique name (if name is 0 ). More... | |
Glib::ustring | get_name () const |
Returns a copy of the name of object. More... | |
bool | set_parent (const Glib::RefPtr< Gst::Object >& parent) |
Sets the parent of object to parent. More... | |
Glib::RefPtr< Gst::Object > | get_parent () |
Returns the parent of object. More... | |
Glib::RefPtr< const Gst::Object > | get_parent () const |
Returns the parent of object. More... | |
void | unparent () |
Clear the parent of object, removing the associated reference. More... | |
bool | has_ancestor (const Glib::RefPtr< const Gst::Object >& ancestor) const |
Check if object has an ancestor ancestor somewhere up in the hierarchy. More... | |
Glib::ustring | get_path_string () |
Generates a string describing the path of object in the object hierarchy. More... | |
Glib::PropertyProxy < Glib::ustring > | property_name () |
The name of the object. More... | |
Glib::PropertyProxy_ReadOnly < Glib::ustring > | property_name () const |
The name of the object. More... | |
Glib::SignalProxy2< void, const Glib::RefPtr< Object > &, GParamSpec* > | signal_deep_notify () |
int | get_refcount () const |
Static Public Member Functions | |
static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system. More... | |
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static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system. More... | |
static bool | check_uniqueness (const Glib::ListHandle< const Gst::Object >& list, const Glib::ustring& name) |
Checks to see if there is any object named name in list. More... | |
Related Functions | |
(Note that these are not member functions.) | |
Glib::RefPtr< Gst::PluginFeature > | wrap (GstPluginFeature* object, bool take_copy=false) |
A Glib::wrap() method for this object. More... | |
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Glib::RefPtr< Gst::Object > | wrap (GstObject* object, bool take_copy=false) |
A Glib::wrap() method for this object. More... | |
Additional Inherited Members | |
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virtual void | on_deep_notify (const Glib::RefPtr< Object >& prop_object, GParamSpec* prop) |
This is a default handler for the signal signal_deep_notify(). More... | |
A base class for anything that can be added to a Gst::Plugin.
typedef sigc::slot< bool, const Glib::RefPtr<Gst::PluginFeature>& > Gst::PluginFeature::SlotFilter |
For example, bool on_filter(const Glib::RefPtr<Gst::PluginFeature>& feature);.
The filter function should return true if the feature is a match, false otherwise.
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virtual |
bool Gst::PluginFeature::check_version | ( | guint | min_major, |
guint | min_minor, | ||
guint | min_micro | ||
) | const |
Checks whether the given plugin feature is at least the required version.
min_major | Minimum required major version. |
min_minor | Minimum required minor version. |
min_micro | Minimum required micro version. |
true
if the plugin feature has at least the required version, otherwise #false
. Glib::RefPtr<Gst::Plugin> Gst::PluginFeature::get_plugin | ( | ) | const |
Get the plugin that provides this feature.
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. Unref with Gst::Object::unref() when no longer needed. guint Gst::PluginFeature::get_rank | ( | ) | const |
Gets the rank of a plugin feature.
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static |
Get the GType for this class, for use with the underlying GObject type system.
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inline |
Provides access to the underlying C GObject.
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inline |
Provides access to the underlying C GObject.
GstPluginFeature* Gst::PluginFeature::gobj_copy | ( | ) |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
Glib::RefPtr<Gst::PluginFeature> Gst::PluginFeature::load | ( | ) |
Loads the plugin containing feature if it's not already loaded.
feature is unaffected; use the return value instead.
Normally this function is used like this:
[C example ellipted]
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on error. void Gst::PluginFeature::set_rank | ( | guint | rank | ) |
Specifies a rank for a plugin feature, so that autoplugging uses the most appropriate feature.
rank | Rank value - higher number means more priority rank. |
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related |
A Glib::wrap() method for this object.
object | The C instance. |
take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref. |