tidal-1.7.9: src/Sound/Tidal/Stream.hs
{-# LANGUAGE ConstraintKinds, GeneralizedNewtypeDeriving, FlexibleContexts, ScopedTypeVariables, BangPatterns #-}
{-# OPTIONS_GHC -fno-warn-missing-fields #-}
{-# language DeriveGeneric, StandaloneDeriving #-}
module Sound.Tidal.Stream where
{-
Stream.hs - Tidal's thingie for turning patterns into OSC streams
Copyright (C) 2020, Alex McLean and contributors
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
-}
import Control.Applicative ((<|>))
import Control.Concurrent.MVar
import Control.Concurrent
import Control.Monad (forM_, when)
import qualified Data.Map.Strict as Map
import Data.Maybe (fromJust, fromMaybe, catMaybes, isJust)
import qualified Control.Exception as E
import System.IO (hPutStrLn, stderr)
import qualified Sound.OSC.FD as O
import qualified Network.Socket as N
import Sound.Tidal.Config
import Sound.Tidal.Core (stack, silence, (#))
import Sound.Tidal.ID
import Sound.Tidal.Params (pS)
import Sound.Tidal.Pattern
import qualified Sound.Tidal.Tempo as T
import Sound.Tidal.Utils ((!!!))
-- import qualified Sound.OSC.Datum as O
import Data.List (sortOn)
import System.Random (getStdRandom, randomR)
import Sound.Tidal.Show ()
import Data.Word (Word8)
import Sound.Tidal.Version
data Stream = Stream {sConfig :: Config,
sBusses :: MVar [Int],
sStateMV :: MVar ValueMap,
-- sOutput :: MVar ControlPattern,
sListen :: Maybe O.UDP,
sPMapMV :: MVar PlayMap,
sTempoMV :: MVar T.Tempo,
sGlobalFMV :: MVar (ControlPattern -> ControlPattern),
sCxs :: [Cx]
}
type PatId = String
data Cx = Cx {cxTarget :: Target,
cxUDP :: O.UDP,
cxOSCs :: [OSC],
cxAddr :: N.AddrInfo,
cxBusAddr :: Maybe N.AddrInfo
}
deriving (Show)
data StampStyle = BundleStamp
| MessageStamp
deriving (Eq, Show)
data Schedule = Pre StampStyle
| Live
deriving (Eq, Show)
data Target = Target {oName :: String,
oAddress :: String,
oPort :: Int,
oBusPort :: Maybe Int,
oLatency :: Double,
oWindow :: Maybe Arc,
oSchedule :: Schedule,
oHandshake :: Bool
}
deriving Show
data Args = Named {requiredArgs :: [String]}
| ArgList [(String, Maybe Value)]
deriving Show
data OSC = OSC {path :: String,
args :: Args
}
| OSCContext {path :: String}
deriving Show
data PlayState = PlayState {pattern :: ControlPattern,
mute :: Bool,
solo :: Bool,
history :: [ControlPattern]
}
deriving Show
type PlayMap = Map.Map PatId PlayState
sDefault :: String -> Maybe Value
sDefault x = Just $ VS x
fDefault :: Double -> Maybe Value
fDefault x = Just $ VF x
rDefault :: Rational -> Maybe Value
rDefault x = Just $ VR x
iDefault :: Int -> Maybe Value
iDefault x = Just $ VI x
bDefault :: Bool -> Maybe Value
bDefault x = Just $ VB x
xDefault :: [Word8] -> Maybe Value
xDefault x = Just $ VX x
required :: Maybe Value
required = Nothing
superdirtTarget :: Target
superdirtTarget = Target {oName = "SuperDirt",
oAddress = "127.0.0.1",
oPort = 57120,
oBusPort = Just 57110,
oLatency = 0.2,
oWindow = Nothing,
oSchedule = Pre BundleStamp,
oHandshake = True
}
superdirtShape :: OSC
superdirtShape = OSC "/dirt/play" $ Named {requiredArgs = ["s"]}
dirtTarget :: Target
dirtTarget = Target {oName = "Dirt",
oAddress = "127.0.0.1",
oPort = 7771,
oBusPort = Nothing,
oLatency = 0.02,
oWindow = Nothing,
oSchedule = Pre MessageStamp,
oHandshake = False
}
dirtShape :: OSC
dirtShape = OSC "/play" $ ArgList [("cps", fDefault 0),
("s", required),
("offset", fDefault 0),
("begin", fDefault 0),
("end", fDefault 1),
("speed", fDefault 1),
("pan", fDefault 0.5),
("velocity", fDefault 0.5),
("vowel", sDefault ""),
("cutoff", fDefault 0),
("resonance", fDefault 0),
("accelerate", fDefault 0),
("shape", fDefault 0),
("kriole", iDefault 0),
("gain", fDefault 1),
("cut", iDefault 0),
("delay", fDefault 0),
("delaytime", fDefault (-1)),
("delayfeedback", fDefault (-1)),
("crush", fDefault 0),
("coarse", iDefault 0),
("hcutoff", fDefault 0),
("hresonance", fDefault 0),
("bandf", fDefault 0),
("bandq", fDefault 0),
("unit", sDefault "rate"),
("loop", fDefault 0),
("n", fDefault 0),
("attack", fDefault (-1)),
("hold", fDefault 0),
("release", fDefault (-1)),
("orbit", iDefault 0) -- ,
-- ("id", iDefault 0)
]
startStream :: Config -> [(Target, [OSC])] -> IO Stream
startStream config oscmap
= do sMapMV <- newMVar Map.empty
pMapMV <- newMVar Map.empty
bussesMV <- newMVar []
globalFMV <- newMVar id
tempoMV <- newEmptyMVar
tidal_status_string >>= verbose config
verbose config $ "Listening for external controls on " ++ cCtrlAddr config ++ ":" ++ show (cCtrlPort config)
listen <- openListener config
cxs <- mapM (\(target, os) -> do remote_addr <- resolve (oAddress target) (show $ oPort target)
remote_bus_addr <- if isJust $ oBusPort target
then Just <$> resolve (oAddress target) (show $ fromJust $ oBusPort target)
else return Nothing
u <- O.openUDP (oAddress target) (oPort target)
return $ Cx {cxUDP = u, cxAddr = remote_addr, cxBusAddr = remote_bus_addr, cxTarget = target, cxOSCs = os}
) oscmap
let stream = Stream {sConfig = config,
sBusses = bussesMV,
sStateMV = sMapMV,
sListen = listen,
sPMapMV = pMapMV,
sTempoMV = tempoMV,
sGlobalFMV = globalFMV,
sCxs = cxs
}
sendHandshakes stream
_ <- T.clocked config tempoMV $ onTick stream
_ <- forkIO $ ctrlResponder 0 config stream
return stream
-- It only really works to handshake with one target at the moment..
sendHandshakes :: Stream -> IO ()
sendHandshakes stream = mapM_ sendHandshake $ filter (oHandshake . cxTarget) (sCxs stream)
where sendHandshake cx = if (isJust $ sListen stream)
then
do -- send it _from_ the udp socket we're listening to, so the
-- replies go back there
sendO False (sListen stream) cx $ O.Message "/dirt/handshake" []
else
hPutStrLn stderr "Can't handshake with SuperCollider without control port."
sendO :: Bool -> (Maybe O.UDP) -> Cx -> O.Message -> IO ()
sendO isBusMsg (Just listen) cx msg = O.sendTo listen (O.Packet_Message msg) (N.addrAddress addr)
where addr | isBusMsg && isJust (cxBusAddr cx) = fromJust $ cxBusAddr cx
| otherwise = cxAddr cx
sendO _ Nothing cx msg = O.sendMessage (cxUDP cx) msg
sendBndl :: Bool -> (Maybe O.UDP) -> Cx -> O.Bundle -> IO ()
sendBndl isBusMsg (Just listen) cx bndl = O.sendTo listen (O.Packet_Bundle bndl) (N.addrAddress addr)
where addr | isBusMsg && isJust (cxBusAddr cx) = fromJust $ cxBusAddr cx
| otherwise = cxAddr cx
sendBndl _ Nothing cx bndl = O.sendBundle (cxUDP cx) bndl
resolve :: String -> String -> IO N.AddrInfo
resolve host port = do let hints = N.defaultHints { N.addrSocketType = N.Stream }
addr:_ <- N.getAddrInfo (Just hints) (Just host) (Just port)
return addr
startTidal :: Target -> Config -> IO Stream
startTidal target config = startStream config [(target, [superdirtShape])]
startMulti :: [Target] -> Config -> IO ()
startMulti _ _ = hPutStrLn stderr $ "startMulti has been removed, please check the latest documentation on tidalcycles.org"
toDatum :: Value -> O.Datum
toDatum (VF x) = O.float x
toDatum (VN x) = O.float x
toDatum (VI x) = O.int32 x
toDatum (VS x) = O.string x
toDatum (VR x) = O.float $ ((fromRational x) :: Double)
toDatum (VB True) = O.int32 (1 :: Int)
toDatum (VB False) = O.int32 (0 :: Int)
toDatum (VX xs) = O.Blob $ O.blob_pack xs
toDatum _ = error "toDatum: unhandled value"
toData :: OSC -> Event ValueMap -> Maybe [O.Datum]
toData (OSC {args = ArgList as}) e = fmap (fmap (toDatum)) $ sequence $ map (\(n,v) -> Map.lookup n (value e) <|> v) as
toData (OSC {args = Named rqrd}) e
| hasRequired rqrd = Just $ concatMap (\(n,v) -> [O.string n, toDatum v]) $ Map.toList $ value e
| otherwise = Nothing
where hasRequired [] = True
hasRequired xs = null $ filter (not . (`elem` ks)) xs
ks = Map.keys (value e)
toData _ _ = Nothing
substitutePath :: String -> ValueMap -> Maybe String
substitutePath str cm = parse str
where parse [] = Just []
parse ('{':xs) = parseWord xs
parse (x:xs) = do xs' <- parse xs
return (x:xs')
parseWord xs | b == [] = getString cm a
| otherwise = do v <- getString cm a
xs' <- parse (tail b)
return $ v ++ xs'
where (a,b) = break (== '}') xs
getString :: ValueMap -> String -> Maybe String
getString cm s = (simpleShow <$> Map.lookup param cm) <|> defaultValue dflt
where (param, dflt) = break (== '=') s
simpleShow :: Value -> String
simpleShow (VS str) = str
simpleShow (VI i) = show i
simpleShow (VF f) = show f
simpleShow (VN n) = show n
simpleShow (VR r) = show r
simpleShow (VB b) = show b
simpleShow (VX xs) = show xs
simpleShow (VState _) = show "<stateful>"
simpleShow (VPattern _) = show "<pattern>"
simpleShow (VList _) = show "<list>"
defaultValue :: String -> Maybe String
defaultValue ('=':dfltVal) = Just dfltVal
defaultValue _ = Nothing
playStack :: PlayMap -> ControlPattern
playStack pMap = stack $ map pattern active
where active = filter (\pState -> if hasSolo pMap
then solo pState
else not (mute pState)
) $ Map.elems pMap
toOSC :: Double -> [Int] -> Event ValueMap -> T.Tempo -> OSC -> [(Double, Bool, O.Message)]
toOSC latency busses e tempo osc@(OSC _ _)
= catMaybes (playmsg:busmsgs)
where (playmap, busmap) = Map.partitionWithKey (\k _ -> null k || head k /= '^') $ value e
-- swap in bus ids where needed
playmap' = Map.union (Map.mapKeys tail $ Map.map (\(VI i) -> VS ('c':(show $ toBus i))) busmap) playmap
addExtra = Map.union playmap' extra
playmsg | eventHasOnset e = do vs <- toData osc (e {value = addExtra})
mungedPath <- substitutePath (path osc) playmap'
return (ts,
False, -- bus message ?
O.Message mungedPath vs
)
| otherwise = Nothing
toBus n | null busses = n
| otherwise = busses !!! n
busmsgs = map
(\(('^':k), (VI b)) -> do v <- Map.lookup k playmap
return $ (tsPart,
True, -- bus message ?
O.Message "/c_set" [O.int32 b, toDatum v]
)
)
(Map.toList busmap)
onPart = sched tempo $ start $ part e
on = sched tempo $ start $ wholeOrPart e
off = sched tempo $ stop $ wholeOrPart e
delta = off - on
-- If there is already cps in the event, the union will preserve that.
extra = Map.fromList [("cps", (VF (T.cps tempo))),
("delta", VF delta),
("cycle", VF (fromRational $ start $ wholeOrPart e))
]
nudge = fromJust $ getF $ fromMaybe (VF 0) $ Map.lookup "nudge" $ playmap
ts = on + nudge + latency
tsPart = onPart + nudge + latency
toOSC latency _ e tempo (OSCContext oscpath)
= map cToM $ contextPosition $ context e
where cToM :: ((Int,Int),(Int,Int)) -> (Double, Bool, O.Message)
cToM ((x, y), (x',y')) = (ts,
False, -- bus message ?
O.Message oscpath $ (O.string ident):(O.float delta):(O.float cyc):(map O.int32 [x,y,x',y'])
)
on = sched tempo $ start $ wholeOrPart e
off = sched tempo $ stop $ wholeOrPart e
delta = off - on
cyc :: Double
cyc = fromRational $ start $ wholeOrPart e
nudge = fromMaybe 0 $ Map.lookup "nudge" (value e) >>= getF
ident = fromMaybe "unknown" $ Map.lookup "_id_" (value e) >>= getS
ts = on + nudge + latency
doCps :: MVar T.Tempo -> (Double, Maybe Value) -> IO ()
doCps tempoMV (d, Just (VF cps)) =
do _ <- forkIO $ do threadDelay $ floor $ d * 1000000
-- hack to stop things from stopping !
-- TODO is this still needed?
_ <- T.setCps tempoMV (max 0.00001 cps)
return ()
return ()
doCps _ _ = return ()
onTick :: Stream -> T.State -> IO ()
onTick stream st
= do doTick False stream st
processCps :: T.Tempo -> [Event ValueMap] -> ([(T.Tempo, Event ValueMap)], T.Tempo)
processCps t [] = ([], t)
-- If an event has a tempo change, that affects the following events..
processCps t (e:evs) = (((t', e):es'), t'')
where cps' | eventHasOnset e = do x <- Map.lookup "cps" $ value e
getF x
| otherwise = Nothing
t' = (maybe t (\newCps -> T.changeTempo' t newCps (eventPartStart e)) cps')
(es', t'') = processCps t' evs
streamOnce :: Stream -> ControlPattern -> IO ()
streamOnce st p = do i <- getStdRandom $ randomR (0, 8192)
streamFirst st $ rotL (toRational (i :: Int)) p
streamFirst :: Stream -> ControlPattern -> IO ()
streamFirst stream pat = do now <- O.time
tempo <- readMVar (sTempoMV stream)
pMapMV <- newMVar $ Map.singleton "fake"
(PlayState {pattern = pat,
mute = False,
solo = False,
history = []
}
)
let cps = T.cps tempo
state = T.State {T.ticks = 0,
T.start = now,
T.nowTimespan = (now, now + (1/cps)),
T.starting = True, -- really?
T.nowArc = (Arc 0 1)
}
doTick True (stream {sPMapMV = pMapMV}) state
-- | Query the current pattern (contained in argument @stream :: Stream@)
-- for the events in the current arc (contained in argument @st :: T.State@),
-- translate them to OSC messages, and send these.
--
-- If an exception occurs during sending,
-- this functions prints a warning and continues, because
-- the likely reason is that the backend (supercollider) isn't running.
--
-- If any exception occurs before or outside sending
-- (e.g., while querying the pattern, while computing a message),
-- this function prints a warning and resets the current pattern
-- to the previous one (or to silence if there isn't one) and continues,
-- because the likely reason is that something is wrong with the current pattern.
doTick :: Bool -> Stream -> T.State -> IO ()
doTick fake stream st =
E.handle (\ (e :: E.SomeException) -> do
hPutStrLn stderr $ "Failed to Stream.doTick: " ++ show e
hPutStrLn stderr $ "Return to previous pattern."
setPreviousPatternOrSilence stream
) $
modifyState $ \(tempo, sMap) -> do
pMap <- readMVar (sPMapMV stream)
busses <- readMVar (sBusses stream)
sGlobalF <- readMVar (sGlobalFMV stream)
-- putStrLn $ show st
let config = sConfig stream
cxs = sCxs stream
cycleNow = T.timeToCycles tempo $ T.start st
patstack = sGlobalF $ playStack pMap
-- If a 'fake' tick, it'll be aligned with cycle zero
pat | fake = withResultTime (+ cycleNow) patstack
| otherwise = patstack
frameEnd = snd $ T.nowTimespan st
-- add cps to state
sMap' = Map.insert "_cps" (VF (T.cps tempo)) sMap
--filterOns = filter eventHasOnset
extraLatency | fake = 0
| otherwise = cFrameTimespan config + T.nudged tempo
-- First the state is used to query the pattern
es = sortOn (start . part) $ query pat (State {arc = T.nowArc st,
controls = sMap'
}
)
-- Then it's passed through the events
(sMap'', es') = resolveState sMap' es
-- TODO onset is calculated in toOSC as well..
on e tempo'' = (sched tempo'' $ start $ wholeOrPart e)
(tes, tempo') = processCps tempo $ es'
forM_ cxs $ \cx@(Cx target _ oscs _ _) -> do
let latency = oLatency target + extraLatency
ms = concatMap (\(t, e) ->
if (fake || (on e t) < frameEnd)
then concatMap (toOSC latency busses e t) oscs
else []
) tes
forM_ ms $ \ m -> send (sListen stream) cx m `E.catch` \ (e :: E.SomeException) -> do
hPutStrLn stderr $ "Failed to send. Is the '" ++ oName target ++ "' target running? " ++ show e
when (tempo /= tempo') $ T.sendTempo tempo'
(tempo', sMap'') `seq` return (tempo', sMap'')
where modifyState :: ((T.Tempo, ValueMap) -> IO (T.Tempo, ValueMap)) -> IO ()
modifyState io = E.mask $ \restore -> do
s <- takeMVar (sStateMV stream)
t <- takeMVar (sTempoMV stream)
(t', s') <- restore (io (t, s)) `E.onException` (do {putMVar (sStateMV stream) s; putMVar (sTempoMV stream) t; return ()})
putMVar (sStateMV stream) s'
putMVar (sTempoMV stream) t'
setPreviousPatternOrSilence :: Stream -> IO ()
setPreviousPatternOrSilence stream =
modifyMVar_ (sPMapMV stream) $ return
. Map.map ( \ pMap -> case history pMap of
_:p:ps -> pMap { pattern = p, history = p:ps }
_ -> pMap { pattern = silence, history = [silence] }
)
send :: Maybe O.UDP -> Cx -> (Double, Bool, O.Message) -> IO ()
send listen cx (time, isBusMsg, m)
| oSchedule target == Pre BundleStamp = sendBndl isBusMsg listen cx $ O.Bundle time [m]
| oSchedule target == Pre MessageStamp = sendO isBusMsg listen cx $ addtime m
| otherwise = do _ <- forkIO $ do now <- O.time
threadDelay $ floor $ (time - now) * 1000000
sendO isBusMsg listen cx m
return ()
where addtime (O.Message mpath params) = O.Message mpath ((O.int32 sec):((O.int32 usec):params))
ut = O.ntpr_to_ut time
sec :: Int
sec = floor ut
usec :: Int
usec = floor $ 1000000 * (ut - (fromIntegral sec))
target = cxTarget cx
sched :: T.Tempo -> Rational -> Double
sched tempo c = ((fromRational $ c - (T.atCycle tempo)) / T.cps tempo)
+ (T.atTime tempo)
-- Interaction
streamNudgeAll :: Stream -> Double -> IO ()
streamNudgeAll s nudge = do tempo <- takeMVar $ sTempoMV s
putMVar (sTempoMV s) $ tempo {T.nudged = nudge}
streamResetCycles :: Stream -> IO ()
streamResetCycles s = do _ <- T.resetCycles (sTempoMV s)
return ()
hasSolo :: Map.Map k PlayState -> Bool
hasSolo = (>= 1) . length . filter solo . Map.elems
streamList :: Stream -> IO ()
streamList s = do pMap <- readMVar (sPMapMV s)
let hs = hasSolo pMap
putStrLn $ concatMap (showKV hs) $ Map.toList pMap
where showKV :: Bool -> (PatId, PlayState) -> String
showKV True (k, (PlayState {solo = True})) = k ++ " - solo\n"
showKV True (k, _) = "(" ++ k ++ ")\n"
showKV False (k, (PlayState {solo = False})) = k ++ "\n"
showKV False (k, _) = "(" ++ k ++ ") - muted\n"
-- Evaluation of pat is forced so exceptions are picked up here, before replacing the existing pattern.
streamReplace :: Stream -> ID -> ControlPattern -> IO ()
streamReplace s k !pat
= E.catch (do let x = queryArc pat (Arc 0 0)
tempo <- readMVar $ sTempoMV s
input <- takeMVar $ sStateMV s
-- put pattern id and change time in control input
now <- O.time
let cyc = T.timeToCycles tempo now
putMVar (sStateMV s) $
Map.insert ("_t_all") (VR cyc) $ Map.insert ("_t_" ++ fromID k) (VR cyc) input
-- update the pattern itself
pMap <- seq x $ takeMVar $ sPMapMV s
let playState = updatePS $ Map.lookup (fromID k) pMap
putMVar (sPMapMV s) $ Map.insert (fromID k) playState pMap
return ()
)
(\(e :: E.SomeException) -> hPutStrLn stderr $ "Error in pattern: " ++ show e
)
where updatePS (Just playState) = do playState {pattern = pat', history = pat:(history playState)}
updatePS Nothing = PlayState pat' False False [pat']
pat' = pat # pS "_id_" (pure $ fromID k)
streamMute :: Stream -> ID -> IO ()
streamMute s k = withPatIds s [k] (\x -> x {mute = True})
streamMutes :: Stream -> [ID] -> IO ()
streamMutes s ks = withPatIds s ks (\x -> x {mute = True})
streamUnmute :: Stream -> ID -> IO ()
streamUnmute s k = withPatIds s [k] (\x -> x {mute = False})
streamSolo :: Stream -> ID -> IO ()
streamSolo s k = withPatIds s [k] (\x -> x {solo = True})
streamUnsolo :: Stream -> ID -> IO ()
streamUnsolo s k = withPatIds s [k] (\x -> x {solo = False})
withPatIds :: Stream -> [ID] -> (PlayState -> PlayState) -> IO ()
withPatIds s ks f
= do playMap <- takeMVar $ sPMapMV s
let pMap' = foldr (Map.update (\x -> Just $ f x)) playMap (map fromID ks)
putMVar (sPMapMV s) pMap'
return ()
-- TODO - is there a race condition here?
streamMuteAll :: Stream -> IO ()
streamMuteAll s = modifyMVar_ (sPMapMV s) $ return . fmap (\x -> x {mute = True})
streamHush :: Stream -> IO ()
streamHush s = modifyMVar_ (sPMapMV s) $ return . fmap (\x -> x {pattern = silence, history = silence:history x})
streamUnmuteAll :: Stream -> IO ()
streamUnmuteAll s = modifyMVar_ (sPMapMV s) $ return . fmap (\x -> x {mute = False})
streamUnsoloAll :: Stream -> IO ()
streamUnsoloAll s = modifyMVar_ (sPMapMV s) $ return . fmap (\x -> x {solo = False})
streamSilence :: Stream -> ID -> IO ()
streamSilence s k = withPatIds s [k] (\x -> x {pattern = silence, history = silence:history x})
streamAll :: Stream -> (ControlPattern -> ControlPattern) -> IO ()
streamAll s f = do _ <- swapMVar (sGlobalFMV s) f
return ()
streamGet :: Stream -> String -> IO (Maybe Value)
streamGet s k = Map.lookup k <$> readMVar (sStateMV s)
streamSet :: Valuable a => Stream -> String -> Pattern a -> IO ()
streamSet s k pat = do sMap <- takeMVar $ sStateMV s
let pat' = toValue <$> pat
sMap' = Map.insert k (VPattern pat') sMap
putMVar (sStateMV s) $ sMap'
streamSetI :: Stream -> String -> Pattern Int -> IO ()
streamSetI = streamSet
streamSetF :: Stream -> String -> Pattern Double -> IO ()
streamSetF = streamSet
streamSetS :: Stream -> String -> Pattern String -> IO ()
streamSetS = streamSet
streamSetB :: Stream -> String -> Pattern Bool -> IO ()
streamSetB = streamSet
streamSetR :: Stream -> String -> Pattern Rational -> IO ()
streamSetR = streamSet
openListener :: Config -> IO (Maybe O.UDP)
openListener c
| cCtrlListen c = catchAny run (\_ -> do verbose c "That port isn't available, perhaps another Tidal instance is already listening on that port?"
return Nothing
)
| otherwise = return Nothing
where
run = do sock <- O.udpServer (cCtrlAddr c) (cCtrlPort c)
return $ Just sock
catchAny :: IO a -> (E.SomeException -> IO a) -> IO a
catchAny = E.catch
ctrlResponder :: Int -> Config -> Stream -> IO ()
ctrlResponder waits c (stream@(Stream {sListen = Just sock}))
= do ms <- recvMessagesTimeout 2 sock
if (null ms)
then do checkHandshake -- there was a timeout, check handshake
ctrlResponder (waits+1) c stream
else do mapM_ act ms
ctrlResponder 0 c stream
where
checkHandshake = do busses <- readMVar (sBusses stream)
when (null busses) $ do when (waits == 0) $ verbose c $ "Waiting for SuperDirt (v.1.7.2 or higher).."
sendHandshakes stream
act (O.Message "/dirt/hello" _) = sendHandshakes stream
act (O.Message "/dirt/handshake/reply" xs) = do prev <- swapMVar (sBusses stream) $ bufferIndices xs
-- Only report the first time..
when (null prev) $ verbose c $ "Connected to SuperDirt."
return ()
where
bufferIndices [] = []
bufferIndices (x:xs') | x == (O.ASCII_String $ O.ascii "&controlBusIndices") = catMaybes $ takeWhile isJust $ map O.datum_integral xs'
| otherwise = bufferIndices xs'
-- External controller commands
act (O.Message "/ctrl" (O.Int32 k:v:[]))
= act (O.Message "/ctrl" [O.string $ show k,v])
act (O.Message "/ctrl" (O.ASCII_String k:v@(O.Float _):[]))
= add (O.ascii_to_string k) (VF (fromJust $ O.datum_floating v))
act (O.Message "/ctrl" (O.ASCII_String k:O.ASCII_String v:[]))
= add (O.ascii_to_string k) (VS (O.ascii_to_string v))
act (O.Message "/ctrl" (O.ASCII_String k:O.Int32 v:[]))
= add (O.ascii_to_string k) (VI (fromIntegral v))
-- Stream playback commands
act (O.Message "/mute" (k:[]))
= withID k $ streamMute stream
act (O.Message "/unmute" (k:[]))
= withID k $ streamUnmute stream
act (O.Message "/solo" (k:[]))
= withID k $ streamSolo stream
act (O.Message "/unsolo" (k:[]))
= withID k $ streamUnsolo stream
act (O.Message "/muteAll" [])
= streamMuteAll stream
act (O.Message "/unmuteAll" [])
= streamUnmuteAll stream
act (O.Message "/unsoloAll" [])
= streamUnsoloAll stream
act (O.Message "/hush" [])
= streamHush stream
act (O.Message "/silence" (k:[]))
= withID k $ streamSilence stream
act m = hPutStrLn stderr $ "Unhandled OSC: " ++ show m
add :: String -> Value -> IO ()
add k v = do sMap <- takeMVar (sStateMV stream)
putMVar (sStateMV stream) $ Map.insert k v sMap
return ()
withID :: O.Datum -> (ID -> IO ()) -> IO ()
withID (O.ASCII_String k) func = func $ (ID . O.ascii_to_string) k
withID (O.Int32 k) func = func $ (ID . show) k
withID _ _ = return ()
ctrlResponder _ _ _ = return ()
verbose :: Config -> String -> IO ()
verbose c s = when (cVerbose c) $ putStrLn s
recvMessagesTimeout :: (O.Transport t) => Double -> t -> IO [O.Message]
recvMessagesTimeout n sock = fmap (maybe [] O.packetMessages) $ O.recvPacketTimeout n sock
streamGetcps :: Stream -> IO O.Time
streamGetcps s = do tempo <- readMVar $ sTempoMV s
return $ T.cps tempo
streamGetnow :: Stream -> IO Double
streamGetnow s = do tempo <- readMVar $ sTempoMV s
now <- O.time
return $ fromRational $ T.timeToCycles tempo now