src/pipewire/device.h File Reference

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Data Structures
struct	pw_device_info
	The device information. More...
struct	pw_device_events
	Device events. More...
struct	pw_device_methods
	Device methods. More...

Macros
#define	PW_TYPE_INTERFACE_Device   PW_TYPE_INFO_INTERFACE_BASE "Device"
#define	PW_VERSION_DEVICE   3
#define	PW_DEVICE_CHANGE_MASK_PROPS   (1 << 0)
#define	PW_DEVICE_CHANGE_MASK_PARAMS   (1 << 1)
#define	PW_DEVICE_CHANGE_MASK_ALL   ((1 << 2)-1)
#define	PW_DEVICE_EVENT_INFO   0
#define	PW_DEVICE_EVENT_PARAM   1
#define	PW_DEVICE_EVENT_NUM   2
#define	PW_VERSION_DEVICE_EVENTS   0
#define	PW_DEVICE_METHOD_ADD_LISTENER   0
#define	PW_DEVICE_METHOD_SUBSCRIBE_PARAMS   1
#define	PW_DEVICE_METHOD_ENUM_PARAMS   2
#define	PW_DEVICE_METHOD_SET_PARAM   3
#define	PW_DEVICE_METHOD_NUM   4
#define	PW_VERSION_DEVICE_METHODS   0
#define	pw_device_method(o, method, version, ...)
#define	pw_device_add_listener(c, ...)   pw_device_method(c,add_listener,0,__VA_ARGS__)
#define	pw_device_subscribe_params(c, ...)   pw_device_method(c,subscribe_params,0,__VA_ARGS__)
#define	pw_device_enum_params(c, ...)   pw_device_method(c,enum_params,0,__VA_ARGS__)
#define	pw_device_set_param(c, ...)   pw_device_method(c,set_param,0,__VA_ARGS__)

Functions
struct pw_device_info *	pw_device_info_update (struct pw_device_info *info, const struct pw_device_info *update)
	Update and existing pw_device_info with update. More...
void	pw_device_info_free (struct pw_device_info *info)
	Free a pw_device_info. More...

Macro Definition Documentation

pw_device_add_listener

#define pw_device_add_listener	(		c,
			...
	)		pw_device_method(c,add_listener,0,__VA_ARGS__)

PW_DEVICE_CHANGE_MASK_ALL

#define PW_DEVICE_CHANGE_MASK_ALL   ((1 << 2)-1)

PW_DEVICE_CHANGE_MASK_PARAMS

#define PW_DEVICE_CHANGE_MASK_PARAMS   (1 << 1)

PW_DEVICE_CHANGE_MASK_PROPS

#define PW_DEVICE_CHANGE_MASK_PROPS   (1 << 0)

pw_device_enum_params

#define pw_device_enum_params	(		c,
			...
	)		pw_device_method(c,enum_params,0,__VA_ARGS__)

PW_DEVICE_EVENT_INFO

#define PW_DEVICE_EVENT_INFO   0

PW_DEVICE_EVENT_NUM

#define PW_DEVICE_EVENT_NUM   2

PW_DEVICE_EVENT_PARAM

#define PW_DEVICE_EVENT_PARAM   1

pw_device_method

#define pw_device_method	(		o,
			method,
			version,
			...
	)

Value:

({                                                                      \
        int _res = -ENOTSUP;                                            \
        spa_interface_call_res((struct spa_interface*)o,                \
                        struct pw_device_methods, _res,                 \
                        method, version, ##__VA_ARGS__);                \
        _res;                                                           \
})

PW_DEVICE_METHOD_ADD_LISTENER

#define PW_DEVICE_METHOD_ADD_LISTENER   0

PW_DEVICE_METHOD_ENUM_PARAMS

#define PW_DEVICE_METHOD_ENUM_PARAMS   2

PW_DEVICE_METHOD_NUM

#define PW_DEVICE_METHOD_NUM   4

PW_DEVICE_METHOD_SET_PARAM

#define PW_DEVICE_METHOD_SET_PARAM   3

PW_DEVICE_METHOD_SUBSCRIBE_PARAMS

#define PW_DEVICE_METHOD_SUBSCRIBE_PARAMS   1

pw_device_set_param

#define pw_device_set_param	(		c,
			...
	)		pw_device_method(c,set_param,0,__VA_ARGS__)

pw_device_subscribe_params

#define pw_device_subscribe_params	(		c,
			...
	)		pw_device_method(c,subscribe_params,0,__VA_ARGS__)

PW_TYPE_INTERFACE_Device

#define PW_TYPE_INTERFACE_Device   PW_TYPE_INFO_INTERFACE_BASE "Device"

PW_VERSION_DEVICE

#define PW_VERSION_DEVICE   3

PW_VERSION_DEVICE_EVENTS

#define PW_VERSION_DEVICE_EVENTS   0

PW_VERSION_DEVICE_METHODS

#define PW_VERSION_DEVICE_METHODS   0

Function Documentation

pw_device_info_free()

void pw_device_info_free

(

struct pw_device_info *

info

)

Free a pw_device_info.

References pw_device_info::props.

pw_device_info_update()

struct pw_device_info* pw_device_info_update	(	struct pw_device_info *	info,
		const struct pw_device_info *	update
	)

Update and existing pw_device_info with update.

References pw_device_info::change_mask, pw_device_info::id, pw_device_info::props, and PW_DEVICE_CHANGE_MASK_PROPS.