mpipe_element.h File Reference

Element: the unit a pipeline is built from. More...

#include <stdbool.h>
#include <stdint.h>
#include <zephyr/sys/dlist.h>
#include <zephyr/sys/util.h>
#include <zephyr/mpipe/mpipe_object.h>

Go to the source code of this file.

Data Structures
struct	mpipe_element
	Element base class. More...

Macros
#define	MPIPE_STATE_GET_NEXT(cur, target)
	Calculate the next state.
#define	MPIPE_STATE_TRANSITION(cur, next)
	Create state transition value.
#define	MPIPE_STATE_TRANSITION_CURRENT(trans)
	Extract the current state from the state transition.
#define	MPIPE_STATE_TRANSITION_NEXT(trans)
	Extract the next state from the state transition.

Enumerations
enum	mpipe_state { MPIPE_STATE_READY = 0 , MPIPE_STATE_PAUSED = 1 , MPIPE_STATE_PLAYING = 2 }
	States of an element. More...
enum	mpipe_state_change { MPIPE_STATE_CHANGE_READY_TO_PAUSED , MPIPE_STATE_CHANGE_PAUSED_TO_PLAYING , MPIPE_STATE_CHANGE_PLAYING_TO_PAUSED , MPIPE_STATE_CHANGE_PAUSED_TO_READY }
	enum mpipe_state_change More...

Functions
int	mpipe_element_init (struct mpipe_element *self, uint8_t id)
	Initialize an element.
static void	mpipe_element_set_name (struct mpipe_element *self, const char *name)
	Name an element for the pipeline dump.
void	mpipe_element_reset_pad_caps (struct mpipe_element *element)
	Reset every pad of an element to constraining nothing.
void	mpipe_element_add_pad (struct mpipe_element *element, struct mpipe_pad *pad)
	Attach a pad to an element.
int	mpipe_element_link (struct mpipe_element *element_1, struct mpipe_element *element_2,...)
	Link elements together.
int	mpipe_element_set_state (struct mpipe_element *element, enum mpipe_state state)
	Set the state of an element.
struct zbus_channel *	mpipe_element_get_bus_chan (struct mpipe_element *element)
	Get the bus channel of an element.

Detailed Description

Element: the unit a pipeline is built from.