Sound.ALSA.Sequencer.Subscribe.Query

This module contains functions for working with subscriptions. Reference: http://www.alsa-project.org/alsa-doc/alsa-lib/group___seq_subscribe.html

Documentation

data T

data Type

Constructors

Read

Write

Instances

Enum Type

Methods

succ :: Type -> Type

pred :: Type -> Type

toEnum :: Int -> Type

fromEnum :: Type -> Int

enumFrom :: Type -> [Type]

enumFromThen :: Type -> Type -> [Type]

enumFromTo :: Type -> Type -> [Type]

enumFromThenTo :: Type -> Type -> Type -> [Type]

Eq Type

Methods

(==) :: Type -> Type -> Bool

(/=) :: Type -> Type -> Bool

Ord Type

Methods

compare :: Type -> Type -> Ordering

(<) :: Type -> Type -> Bool

(<=) :: Type -> Type -> Bool

(>) :: Type -> Type -> Bool

(>=) :: Type -> Type -> Bool

max :: Type -> Type -> Type

min :: Type -> Type -> Type

Show Type

Methods

showsPrec :: Int -> Type -> ShowS

show :: Type -> String

showList :: [Type] -> ShowS

malloc :: IO T

copy

Arguments

:: T

Destination

-> T

Source

-> IO ()

clone :: T -> IO T

getClient :: T -> IO T

getPort :: T -> IO T

getRoot :: T -> IO T

Set the client/port address of a query

getType :: T -> IO Type

getIndex :: T -> IO Word

getNumSubs :: T -> IO Word

getAddr :: T -> IO T

getQueue :: T -> IO T

getExclusive :: T -> IO Bool

getTimeUpdate :: T -> IO Bool

getTimeReal :: T -> IO Bool

setClient :: T -> T -> IO ()

setPort :: T -> T -> IO ()

setType :: T -> Type -> IO ()

setIndex :: T -> Word -> IO ()

query :: T mode -> T -> Type -> Word -> IO (Maybe T)

Queries a subscriber connected to (Write) or from (Read) a given address: query seq addr typ index

queryAll :: T mode -> T -> Type -> IO [T]

Queries the list of subscribers accessing a port