tidal-1.9.0: src/Sound/Tidal/Stream.hs
{-# LANGUAGE ConstraintKinds, GeneralizedNewtypeDeriving, FlexibleContexts, ScopedTypeVariables, BangPatterns #-}
{-# OPTIONS_GHC -fno-warn-missing-fields #-}
{-# language DeriveGeneric, StandaloneDeriving #-}
module Sound.Tidal.Stream (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 Data.Coerce (coerce)
import qualified Data.Map.Strict as Map
import Data.Maybe (fromJust, fromMaybe, catMaybes, isJust)
import qualified Control.Exception as E
import Foreign
import Foreign.C.Types
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 qualified Sound.Tidal.Link as Link
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 Sound.Tidal.Version
import Sound.Tidal.StreamTypes as Sound.Tidal.Stream
data Stream = Stream {sConfig :: Config,
sBusses :: MVar [Int],
sStateMV :: MVar ValueMap,
-- sOutput :: MVar ControlPattern,
sLink :: Link.AbletonLink,
sListen :: Maybe O.UDP,
sPMapMV :: MVar PlayMap,
sActionsMV :: MVar [T.TempoAction],
sGlobalFMV :: MVar (ControlPattern -> ControlPattern),
sCxs :: [Cx]
}
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 ProcessedEvent =
ProcessedEvent {
peHasOnset :: Bool,
peEvent :: Event ValueMap,
peCps :: Link.BPM,
peDelta :: Link.Micros,
peCycle :: Time,
peOnWholeOrPart :: Link.Micros,
peOnWholeOrPartOsc :: O.Time,
peOnPart :: Link.Micros,
peOnPartOsc :: O.Time
}
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)
]
defaultCps :: O.Time
defaultCps = 0.5625
-- Start an instance of Tidal
-- Spawns a thread within Tempo that acts as the clock
-- Spawns a thread that listens to and acts on OSC control messages
startStream :: Config -> [(Target, [OSC])] -> IO Stream
startStream config oscmap
= do sMapMV <- newMVar Map.empty
pMapMV <- newMVar Map.empty
bussesMV <- newMVar []
globalFMV <- newMVar id
actionsMV <- 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
let broadcast = if cCtrlBroadcast config then 1 else 0
u <- O.udp_socket (\sock sockaddr -> do N.setSocketOption sock N.Broadcast broadcast
N.connect sock sockaddr
) (oAddress target) (oPort target)
return $ Cx {cxUDP = u, cxAddr = remote_addr, cxBusAddr = remote_bus_addr, cxTarget = target, cxOSCs = os}
) oscmap
let bpm = (coerce defaultCps) * 60 * (cBeatsPerCycle config)
abletonLink <- Link.create bpm
let stream = Stream {sConfig = config,
sBusses = bussesMV,
sStateMV = sMapMV,
sLink = abletonLink,
sListen = listen,
sPMapMV = pMapMV,
sActionsMV = actionsMV,
sGlobalFMV = globalFMV,
sCxs = cxs
}
sendHandshakes stream
let ac = T.ActionHandler {
T.onTick = onTick stream,
T.onSingleTick = onSingleTick stream,
T.updatePattern = updatePattern stream
}
-- Spawn a thread that acts as the clock
_ <- T.clocked config sMapMV pMapMV actionsMV ac abletonLink
-- Spawn a thread to handle OSC control messages
_ <- 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
-- Start an instance of Tidal with superdirt OSC
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 :: [Int] -> ProcessedEvent -> OSC -> [(Double, Bool, O.Message)]
toOSC busses pe osc@(OSC _ _)
= catMaybes (playmsg:busmsgs)
-- playmap is a ValueMap where the keys don't start with ^ and are not ""
-- busmap is a ValueMap containing the rest of the keys from the event value
-- The partition is performed in order to have special handling of bus ids.
where
(playmap, busmap) = Map.partitionWithKey (\k _ -> null k || head k /= '^') $ val pe
-- Map in bus ids where needed.
--
-- Bus ids are integers
-- If busses is empty, the ids to send are directly contained in the the values of the busmap.
-- Otherwise, the ids to send are contained in busses at the indices of the values of the busmap.
-- Both cases require that the values of the busmap are only ever integers,
-- that is, they are Values with constructor VI
-- (but perhaps we should explicitly crash with an error message if it contains something else?).
-- Map.mapKeys tail is used to remove ^ from the keys.
-- In case (value e) has the key "", we will get a crash here.
playmap' = Map.union (Map.mapKeys tail $ Map.map (\(VI i) -> VS ('c':(show $ toBus i))) busmap) playmap
val = value . peEvent
-- Only events that start within the current nowArc are included
playmsg | peHasOnset pe = do
-- If there is already cps in the event, the union will preserve that.
let extra = Map.fromList [("cps", (VF (coerce $! peCps pe))),
("delta", VF (T.addMicrosToOsc (peDelta pe) 0)),
("cycle", VF (fromRational (peCycle pe)))
]
addExtra = Map.union playmap' extra
ts = (peOnWholeOrPartOsc pe) + nudge -- + latency
vs <- toData osc ((peEvent pe) {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)
where
tsPart = (peOnPartOsc pe) + nudge -- + latency
nudge = fromJust $ getF $ fromMaybe (VF 0) $ Map.lookup "nudge" $ playmap
toOSC _ pe (OSCContext oscpath)
= map cToM $ contextPosition $ context $ peEvent pe
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 (peDelta pe)):(O.float cyc):(map O.int32 [x,y,x',y'])
)
cyc :: Double
cyc = fromRational $ peCycle pe
nudge = fromMaybe 0 $ Map.lookup "nudge" (value $ peEvent pe) >>= getF
ident = fromMaybe "unknown" $ Map.lookup "_id_" (value $ peEvent pe) >>= getS
ts = (peOnWholeOrPartOsc pe) + nudge -- + latency
-- Used for Tempo callback
updatePattern :: Stream -> ID -> ControlPattern -> IO ()
updatePattern stream k pat = do
let x = queryArc pat (Arc 0 0)
pMap <- seq x $ takeMVar (sPMapMV stream)
let playState = updatePS $ Map.lookup (fromID k) pMap
putMVar (sPMapMV stream) $ Map.insert (fromID k) playState pMap
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)
processCps :: T.LinkOperations -> [Event ValueMap] -> IO [ProcessedEvent]
processCps ops = mapM processEvent
where
processEvent :: Event ValueMap -> IO ProcessedEvent
processEvent e = do
let wope = wholeOrPart e
partStartCycle = start $ part e
partStartBeat = (T.cyclesToBeat ops) (realToFrac partStartCycle)
onCycle = start wope
onBeat = (T.cyclesToBeat ops) (realToFrac onCycle)
offCycle = stop wope
offBeat = (T.cyclesToBeat ops) (realToFrac offCycle)
on <- (T.timeAtBeat ops) onBeat
onPart <- (T.timeAtBeat ops) partStartBeat
when (eventHasOnset e) (do
let cps' = Map.lookup "cps" (value e) >>= getF
maybe (return ()) (\newCps -> (T.setTempo ops) ((T.cyclesToBeat ops) (newCps * 60)) on) $ coerce cps'
)
off <- (T.timeAtBeat ops) offBeat
bpm <- (T.getTempo ops)
let cps = ((T.beatToCycles ops) bpm) / 60
let delta = off - on
return $! ProcessedEvent {
peHasOnset = eventHasOnset e,
peEvent = e,
peCps = cps,
peDelta = delta,
peCycle = onCycle,
peOnWholeOrPart = on,
peOnWholeOrPartOsc = (T.linkToOscTime ops) on,
peOnPart = onPart,
peOnPartOsc = (T.linkToOscTime ops) onPart
}
-- streamFirst but with random cycle instead of always first cicle
streamOnce :: Stream -> ControlPattern -> IO ()
streamOnce st p = do i <- getStdRandom $ randomR (0, 8192)
streamFirst st $ rotL (toRational (i :: Int)) p
-- here let's do modifyMVar_ on actions
streamFirst :: Stream -> ControlPattern -> IO ()
streamFirst stream pat = modifyMVar_ (sActionsMV stream) (\actions -> return $ (T.SingleTick pat) : actions)
-- Used for Tempo callback
onTick :: Stream -> TickState -> T.LinkOperations -> ValueMap -> IO ValueMap
onTick stream st ops s
= doTick stream st ops s
-- Used for Tempo callback
-- Tempo changes will be applied.
-- However, since the full arc is processed at once and since Link does not support
-- scheduling, tempo change may affect scheduling of events that happen earlier
-- in the normal stream (the one handled by onTick).
onSingleTick :: Stream -> T.LinkOperations -> ValueMap -> ControlPattern -> IO ValueMap
onSingleTick stream ops s pat = do
pMapMV <- newMVar $ Map.singleton "fake"
(PlayState {pattern = pat,
mute = False,
solo = False,
history = []
}
)
-- The nowArc is a full cycle
let state = TickState {tickArc = (Arc 0 1), tickNudge = 0}
doTick (stream {sPMapMV = pMapMV}) state ops s
-- | 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 :: Stream -> TickState -> T.LinkOperations -> ValueMap -> IO ValueMap
doTick stream st ops sMap =
E.handle (\ (e :: E.SomeException) -> do
hPutStrLn stderr $ "Failed to Stream.doTick: " ++ show e
hPutStrLn stderr $ "Return to previous pattern."
setPreviousPatternOrSilence stream
return sMap) (do
pMap <- readMVar (sPMapMV stream)
busses <- readMVar (sBusses stream)
sGlobalF <- readMVar (sGlobalFMV stream)
bpm <- (T.getTempo ops)
let
cxs = sCxs stream
patstack = sGlobalF $ playStack pMap
cps = ((T.beatToCycles ops) bpm) / 60
sMap' = Map.insert "_cps" (VF $ coerce cps) sMap
extraLatency = tickNudge st
-- First the state is used to query the pattern
es = sortOn (start . part) $ query patstack (State {arc = tickArc st,
controls = sMap'
}
)
-- Then it's passed through the events
(sMap'', es') = resolveState sMap' es
tes <- processCps ops es'
-- For each OSC target
forM_ cxs $ \cx@(Cx target _ oscs _ _) -> do
-- Latency is configurable per target.
-- Latency is only used when sending events live.
let latency = oLatency target
ms = concatMap (\e -> concatMap (toOSC busses e) oscs) tes
-- send the events to the OSC target
forM_ ms $ \ m -> (do
send (sListen stream) cx latency extraLatency m) `E.catch` \ (e :: E.SomeException) -> do
hPutStrLn stderr $ "Failed to send. Is the '" ++ oName target ++ "' target running? " ++ show e
sMap'' `seq` return sMap'')
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 has three modes:
-- Send events early using timestamp in the OSC bundle - used by Superdirt
-- Send events early by adding timestamp to the OSC message - used by Dirt
-- Send events live by delaying the thread
send :: Maybe O.UDP -> Cx -> Double -> Double -> (Double, Bool, O.Message) -> IO ()
send listen cx latency extraLatency (time, isBusMsg, m)
| oSchedule target == Pre BundleStamp = sendBndl isBusMsg listen cx $ O.Bundle timeWithLatency [m]
| oSchedule target == Pre MessageStamp = sendO isBusMsg listen cx $ addtime m
| otherwise = do _ <- forkOS $ do now <- O.time
threadDelay $ floor $ (timeWithLatency - 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 timeWithLatency
sec :: Int
sec = floor ut
usec :: Int
usec = floor $ 1000000 * (ut - (fromIntegral sec))
target = cxTarget cx
timeWithLatency = time - latency + extraLatency
-- Interaction
streamNudgeAll :: Stream -> Double -> IO ()
streamNudgeAll s nudge = T.setNudge (sActionsMV s) nudge
streamResetCycles :: Stream -> IO ()
streamResetCycles s =T.resetCycles (sActionsMV s)
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
= modifyMVar_ (sActionsMV s) (\actions -> return $ (T.StreamReplace k pat) : actions)
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)
when (cCtrlBroadcast c) $ N.setSocketOption (O.udpSocket sock) N.Broadcast 1
return $ Just sock
catchAny :: IO a -> (E.SomeException -> IO a) -> IO a
catchAny = E.catch
-- Listen to and act on OSC control messages
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 Double
streamGetcps s = do
let config = sConfig s
ss <- Link.createAndCaptureAppSessionState (sLink s)
bpm <- Link.getTempo ss
return $! coerce $ bpm / (cBeatsPerCycle config) / 60
streamGetnow :: Stream -> IO Double
streamGetnow s = do
let config = sConfig s
ss <- Link.createAndCaptureAppSessionState (sLink s)
now <- Link.clock (sLink s)
beat <- Link.beatAtTime ss now (cQuantum config)
return $! coerce $ beat / (cBeatsPerCycle config)