Reactive.Banana.ALSA.Common

helper functions

init :: IO Handle

exit :: Handle -> IO ()

with :: ReaderT Handle IO a -> IO a

setTimeStamping :: ReaderT Handle IO ()

make ALSA set the time stamps in incoming events

startQueue :: ReaderT Handle IO ()

connect :: [String] -> [String] -> ReaderT Handle IO ()

Connect ourselve to an input client and an output client. The function expects a list of alternative clients that are checked successively.

connectFrom :: T -> ReaderT Handle IO T

connectTo :: T -> ReaderT Handle IO T

timidity :: String

haskellSynth :: String

inputs :: [String]

outputs :: [String]

connectTimidity :: ReaderT Handle IO ()

connectLLVM :: ReaderT Handle IO ()

connectAny :: ReaderT Handle IO ()

parseAddresses :: [String] -> ReaderT Handle IO T

send single events

sendNote :: Channel -> RelativeTicks -> Velocity -> Pitch -> ReaderT Handle IO ()

sendKey :: Channel -> Bool -> Velocity -> Pitch -> ReaderT Handle IO ()

sendController :: Channel -> Controller -> Int -> ReaderT Handle IO ()

sendProgram :: Channel -> Program -> ReaderT Handle IO ()

sendMode :: Channel -> T -> ReaderT Handle IO ()

events

class Reactor reactor where

Methods

reactorTime :: T reactor t a -> T Reactor t a

Instances

Reactor Reactor

class Events ev where

This class unifies several ways of handling multiple events at once.

Methods

flattenEvents :: ev -> [Future Data]

Instances

Events Data

Events ev => Events [ev]

Events ev => Events (Maybe ev)

(Events ev0, Events ev1) => Events (ev0, ev1)

(Make key, VelocityField value) => Events (Boundary key value)

(Reactor m, Events ev) => Events (Future m ev)

(Events ev0, Events ev1, Events ev2) => Events (ev0, ev1, ev2)

makeEvent :: Handle -> AbsoluteTicks -> Data -> T

makeEcho :: Handle -> AbsoluteTicks -> T

outputEvent :: AbsoluteTicks -> Data -> ReaderT Handle IO ()

simpleNote :: Channel -> Pitch -> Velocity -> Note

type Future = Future Reactor

type Bundle a = Bundle Reactor a

type EventBundle = Bundle T

type EventDataBundle = Bundle Data

effects

setChannel :: Channel -> Data -> Data

delayAdd :: Velocity -> RelativeTicks -> Data -> EventDataBundle

predicates - may be moved to midi-alsa package

controllerMatch :: Channel -> Controller -> Ctrl -> Bool

checkChannel :: (Channel -> Bool) -> Data -> Bool

checkPitch :: (Pitch -> Bool) -> Data -> Bool

checkController :: (Controller -> Bool) -> Data -> Bool

checkMode :: (T -> Bool) -> Data -> Bool

checkProgram :: (Program -> Bool) -> Data -> Bool

isAllNotesOff :: Data -> Bool