libcamera::MediaObject Class Reference

Base class for all media objects. More...

Inheritance diagram for libcamera::MediaObject:

Collaboration diagram for libcamera::MediaObject:

Public Member Functions
MediaDevice *	device ()
	Retrieve the media device the media object belongs to. More...
const MediaDevice *	device () const
	Retrieve the media device the media object belongs to. More...
unsigned int	id () const
	Retrieve the media object id. More...

Protected Member Functions
	MediaObject (MediaDevice *dev, unsigned int id)
	Construct a MediaObject part of the MediaDevice dev, identified by the id unique within the device. More...

Protected Attributes
MediaDevice *	dev_
	The media device the media object belongs to.
unsigned int	id_
	The media object id.

Friends
class	MediaDevice

Detailed Description

Base class for all media objects.

MediaObject is an abstract base class for all media objects in the media graph. Each object is identified by a reference to the media device it belongs to and a unique id within that media device. This base class provide helpers to media objects to keep track of these identifiers.

See also

MediaEntity, MediaPad, MediaLink

Constructor & Destructor Documentation

MediaObject()

libcamera::MediaObject::MediaObject ( MediaDevice *  dev, unsigned int  id  )

inlineprotected

Construct a MediaObject part of the MediaDevice dev, identified by the id unique within the device.

Parameters

[in]	dev	The media device this object belongs to
[in]	id	The media object id

The caller shall ensure unicity of the object id in the media device context. This constraint is neither enforced nor checked by the MediaObject.

Member Function Documentation

device() [1/2]

libcamera::MediaObject::device ( )

inline

Retrieve the media device the media object belongs to.

Returns

The MediaDevice

device() [2/2]

libcamera::MediaObject::device ( ) const

inline

Retrieve the media device the media object belongs to.

Returns

The MediaDevice

id()

libcamera::MediaObject::id ( ) const

inline

Retrieve the media object id.

Returns

The media object id

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The documentation for this class was generated from the following files:

• include/libcamera/internal/media_object.h
• src/libcamera/media_object.cpp