Class: Gst::Device

Inherits:

Object

• Object
• GObject::InitiallyUnowned
• Object
• Gst::Device

Defined in:

(unknown)

Overview

The class structure for a Gst::Device object.

Instance Method Summary

• #caps ⇒ Gst::Caps

  Caps.

• #caps=(caps) ⇒ Gst::Caps
• #create_element(name) ⇒ Gst::Element

  Creates the element with all of the required parameters set to use this device.

• #device_class ⇒ String

  Device-class.

• #device_class=(device_class) ⇒ String
• #display_name ⇒ String

  Display-name.

• #display_name=(display_name) ⇒ String
• #has_classes(classes) ⇒ Boolean

  Check if device matches all of the given classes.

• #has_classesv(classes) ⇒ Boolean

  Check if factory matches all of the given classes.

• #properties ⇒ Gst::Structure

  Properties.

• #properties=(properties) ⇒ Gst::Structure
• #reconfigure_element(element) ⇒ Boolean

  Tries to reconfigure an existing element to use the device.

Methods inherited from Object

#add_control_binding, check_uniqueness, #control_bindings_disabled=, #control_rate, #control_rate=, default_deep_notify, #default_error, #get_control_binding, #get_g_value_array, #get_value, #get_value_array, #has_active_control_bindings, #has_ancestor, #has_as_ancestor, #has_as_parent, #name, #name=, #parent, #parent=, #path_string, #ref, ref_sink, #remove_control_binding, replace, #set_control_binding_disabled, #suggest_next_sync, #sync_values, #unparent, #unref

Instance Method Details

#caps ⇒ Gst::Caps

Returns caps.

Returns:

• (Gst::Caps) —

  caps

#caps=(caps) ⇒ Gst::Caps

Parameters:

• caps (Gst::Caps)

Returns:

• (Gst::Caps) —

  caps

• (Gst::Caps) —

  caps

#create_element(name) ⇒ Gst::Element

Creates the element with all of the required parameters set to use this device. create a unique name. this device

Parameters:

• name (String) —

  name of new element, or nil to automatically

Returns:

• (Gst::Element) —

  a new Gst::Element configured to use

#device_class ⇒ String

Returns device-class.

Returns:

• (String) —

  device-class

#device_class=(device_class) ⇒ String

Parameters:

• device_class (String)

Returns:

• (String) —

  device-class

• (String) —

  device-class

#display_name ⇒ String

Returns display-name.

Returns:

• (String) —

  display-name

#display_name=(display_name) ⇒ String

Parameters:

• display_name (String)

Returns:

• (String) —

  display-name

• (String) —

  display-name

#has_classes(classes) ⇒ Boolean

Check if device matches all of the given classes

Parameters:

• classes (String) —

  a "/"-separated list of device classes to match, only match if all classes are matched

Returns:

• (Boolean) —

  true if device matches.

#has_classesv(classes) ⇒ Boolean

Check if factory matches all of the given classes

Parameters:

• classes (Array<String>) —

  a nil terminated array of classes to match, only match if all classes are matched

Returns:

• (Boolean) —

  true if device matches.

#properties ⇒ Gst::Structure

Returns properties.

Returns:

• (Gst::Structure) —

  properties

#properties=(properties) ⇒ Gst::Structure

Parameters:

• properties (Gst::Structure)

Returns:

• (Gst::Structure) —

  properties

• (Gst::Structure) —

  properties

#reconfigure_element(element) ⇒ Boolean

Tries to reconfigure an existing element to use the device. If this function fails, then one must destroy the element and create a new one using gst_device_create_element().

Note: This should only be implemented for elements can change their device in the PLAYING state. false otherwise.

Parameters:

• element (Gst::Element) —

  a Gst::Element

Returns:

• (Boolean) —

  true if the element could be reconfigured to use this device,