Macros
#define	PW_TYPE_INTERFACE_Device PW_TYPE_INFO_INTERFACE_BASE "Device"

#define	PW_DEVICE_PERM_MASK PW_PERM_RWXM

#define	PW_VERSION_DEVICE 3

#define	PW_API_DEVICE_IMPL static inline

#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

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 and reset.

struct pw_device_info *	pw_device_info_merge (struct pw_device_info info, const struct pw_device_info update, bool reset)
	Merge and existing pw_device_info with update.

void	pw_device_info_free (struct pw_device_info *info)
	Free a pw_device_info.

PW_API_DEVICE_IMPL int	pw_device_add_listener (struct pw_device object, struct spa_hook listener, const struct pw_device_events events, void data)

PW_API_DEVICE_IMPL int	pw_device_subscribe_params (struct pw_device object, uint32_t ids, uint32_t n_ids)
	Subscribe to parameter changes.

PW_API_DEVICE_IMPL int	pw_device_enum_params (struct pw_device object, int seq, uint32_t id, uint32_t start, uint32_t num, const struct spa_pod filter)
	Enumerate device parameters.

PW_API_DEVICE_IMPL int	pw_device_set_param (struct pw_device object, uint32_t id, uint32_t flags, const struct spa_pod param)
	Set a parameter on the device.

Detailed Description

Data Structures