Player events

Collaboration diagram for Player events:

Data Structures
struct	vlc_player_cbs
	Player callbacks. More...

Typedefs
typedef struct vlc_player_listener_id	vlc_player_listener_id
	Player listener opaque structure. More...

Enumerations
enum	vlc_player_list_action { VLC_PLAYER_LIST_ADDED , VLC_PLAYER_LIST_REMOVED , VLC_PLAYER_LIST_UPDATED }
	Action of vlc_player_cbs.on_track_list_changed, vlc_player_cbs.on_program_list_changed callbacks. More...

Functions
vlc_player_listener_id *	vlc_player_AddListener (vlc_player_t *player, const struct vlc_player_cbs *cbs, void *cbs_data)
	Add a listener callback. More...
void	vlc_player_RemoveListener (vlc_player_t *player, vlc_player_listener_id *listener_id)
	Remove a listener callback. More...

Detailed Description

Typedef Documentation

vlc_player_listener_id

typedef struct vlc_player_listener_id vlc_player_listener_id

Player listener opaque structure.

This opaque structure is returned by vlc_player_AddListener() and can be used to remove the listener via vlc_player_RemoveListener().

Enumeration Type Documentation

vlc_player_list_action

enum vlc_player_list_action

Action of vlc_player_cbs.on_track_list_changed, vlc_player_cbs.on_program_list_changed callbacks.

Enumerator
VLC_PLAYER_LIST_ADDED
VLC_PLAYER_LIST_REMOVED
VLC_PLAYER_LIST_UPDATED

Function Documentation

vlc_player_AddListener()

vlc_player_listener_id * vlc_player_AddListener	(	vlc_player_t *	player,
		const struct vlc_player_cbs *	cbs,
		void *	cbs_data
	)

Add a listener callback.

Note

Every registered callbacks need to be removed by the caller with vlc_player_RemoveListener().

Parameters

player	locked player instance
cbs	pointer to a vlc_player_cbs structure, the structure must be valid during the lifetime of the player
cbs_data	opaque pointer used by the callbacks

Returns

a valid listener id, or NULL in case of allocation error

References vlc_player_listener_id::cbs, vlc_player_listener_id::cbs_data, vlc_player_t::listeners, vlc_player_listener_id::node, vlc_player_input::player, vlc_list_append(), and vlc_player_assert_locked().

Referenced by vlc_playlist_PlayerInit(), and vlm_MediaInstanceNew().

vlc_player_RemoveListener()

void vlc_player_RemoveListener	(	vlc_player_t *	player,
		vlc_player_listener_id *	listener_id
	)

Remove a listener callback.

Parameters

player	locked player instance
listener_id	listener id returned by vlc_player_AddListener()

References vlc_player_listener_id::node, vlc_player_input::player, vlc_list_remove(), and vlc_player_assert_locked().

Referenced by vlc_playlist_PlayerDestroy(), and vlm_MediaInstanceDelete().