module Csound.IO (
RenderCsd(..),
renderCsd,
writeCsd, writeCsdBy,
writeSnd, writeSndBy,
playCsd, playCsdBy,
mplayer, mplayerBy, totem, totemBy,
dac, dacBy, vdac, vdacBy,
csd, csdBy
) where
import System.Process
import qualified Control.Exception as E
import Data.Monoid
import Data.Default
import Csound.Typed
import Csound.Control.Gui
import Csound.Options(setSilent, setMa, setDac)
render :: Sigs a => Options -> SE a -> IO String
render = renderOutBy
render_ :: Options -> SE () -> IO String
render_ = renderOutBy_
class RenderCsd a where
renderCsdBy :: Options -> a -> IO String
instance RenderCsd (SE ()) where
renderCsdBy = render_
instance RenderCsd Sig where
renderCsdBy opt a = render opt (return a)
instance RenderCsd Sig2 where
renderCsdBy opt a = render opt (return a)
instance RenderCsd Sig4 where
renderCsdBy opt a = render opt (return a)
instance RenderCsd Sig6 where
renderCsdBy opt a = render opt (return a)
instance RenderCsd Sig8 where
renderCsdBy opt a = render opt (return a)
instance RenderCsd (Sig8, Sig8) where
renderCsdBy opt a = render opt (return a)
instance RenderCsd (Sig8, Sig8, Sig8, Sig8) where
renderCsdBy opt a = render opt (return a)
instance RenderCsd (SE Sig) where
renderCsdBy opt a = render opt a
instance RenderCsd (SE Sig2) where
renderCsdBy opt a = render opt a
instance RenderCsd (SE Sig4) where
renderCsdBy opt a = render opt a
instance RenderCsd (SE Sig6) where
renderCsdBy opt a = render opt a
instance RenderCsd (SE Sig8) where
renderCsdBy opt a = render opt a
instance RenderCsd (SE (Sig8, Sig8)) where
renderCsdBy opt a = render opt a
instance RenderCsd (SE (Sig8, Sig8, Sig8, Sig8)) where
renderCsdBy opt a = render opt a
instance (Sigs a) => RenderCsd (a -> Sig) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a) => RenderCsd (a -> Sig2) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a) => RenderCsd (a -> Sig4) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a) => RenderCsd (a -> Sig6) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a) => RenderCsd (a -> Sig8) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a) => RenderCsd (a -> (Sig8, Sig8)) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a) => RenderCsd (a -> (Sig8, Sig8, Sig8, Sig8)) where
renderCsdBy opt f = renderEffBy opt (return . f)
instance (Sigs a, Sigs b) => RenderCsd (a -> SE b) where
renderCsdBy opt f = renderEffBy opt f
instance RenderCsd (Source Sig) where
renderCsdBy opt a = renderCsdBy opt res
where res = do
(gui, asig) <- a
panel gui
return asig
instance RenderCsd (Source Sig2) where
renderCsdBy opt a = renderCsdBy opt res
where res = do
(gui, asig) <- a
panel gui
return asig
instance RenderCsd (Source Sig4) where
renderCsdBy opt a = renderCsdBy opt res
where res = do
(gui, asig) <- a
panel gui
return asig
instance RenderCsd (Source (SE Sig)) where
renderCsdBy opt a = renderCsdBy opt res
where res = do
(gui, asig) <- a
panel gui
asig
instance RenderCsd (Source (SE Sig2)) where
renderCsdBy opt a = renderCsdBy opt res
where res = do
(gui, asig) <- a
panel gui
asig
instance RenderCsd (Source (SE Sig4)) where
renderCsdBy opt a = renderCsdBy opt res
where res = do
(gui, asig) <- a
panel gui
asig
renderCsd :: RenderCsd a => a -> IO String
renderCsd = renderCsdBy def
writeCsd :: RenderCsd a => String -> a -> IO ()
writeCsd file a = writeFile file =<< renderCsd a
writeCsdBy :: RenderCsd a => Options -> String -> a -> IO ()
writeCsdBy opt file a = writeFile file =<< renderCsdBy opt a
writeSnd :: RenderCsd a => String -> a -> IO ()
writeSnd = writeSndBy def
writeSndBy :: RenderCsd a => Options -> String -> a -> IO ()
writeSndBy opt file a = do
writeCsdBy opt fileCsd a
runWithUserInterrupt $ "csound -o " ++ file ++ " " ++ fileCsd
where fileCsd = "tmp.csd"
playCsd :: (RenderCsd a) => (String -> IO ()) -> String -> a -> IO ()
playCsd = playCsdBy def
playCsdBy :: (RenderCsd a) => Options -> (String -> IO ()) -> String -> a -> IO ()
playCsdBy opt player file a = do
writeCsdBy opt fileCsd a
runWithUserInterrupt $ "csound -o " ++ fileWav ++ " " ++ fileCsd
player fileWav
return ()
where fileCsd = file ++ ".csd"
fileWav = file ++ ".wav"
simplePlayCsdBy :: (RenderCsd a) => Options -> String -> String -> a -> IO ()
simplePlayCsdBy opt player = playCsdBy opt phi
where phi file = do
runWithUserInterrupt $ player ++ " " ++ file
dac :: (RenderCsd a) => a -> IO ()
dac = dacBy def
dacBy :: (RenderCsd a) => Options -> a -> IO ()
dacBy opt' a = do
writeCsdBy opt "tmp.csd" a
runWithUserInterrupt $ "csound " ++ "tmp.csd"
where opt = opt' <> (setMa <> setDac)
vdac :: (RenderCsd a) => a -> IO ()
vdac = dacBy (setVirtual def)
vdacBy :: (RenderCsd a) => Options -> a -> IO ()
vdacBy opt = dacBy (setVirtual opt)
setVirtual :: Options -> Options
setVirtual a = a { csdFlags = (csdFlags a) { rtmidi = Just VirtualMidi, midiRT = m { midiDevice = Just "0" } } }
where m = midiRT $ csdFlags a
csd :: (RenderCsd a) => a -> IO ()
csd = csdBy setSilent
csdBy :: (RenderCsd a) => Options -> a -> IO ()
csdBy options a = do
writeCsdBy (setSilent <> options) "tmp.csd" a
runWithUserInterrupt $ "csound tmp.csd"
mplayer :: (RenderCsd a) => a -> IO ()
mplayer = mplayerBy def
mplayerBy :: (RenderCsd a) => Options -> a -> IO ()
mplayerBy opt = simplePlayCsdBy opt "mplayer" "tmp"
totem :: (RenderCsd a) => a -> IO ()
totem = totemBy def
totemBy :: (RenderCsd a) => Options -> a -> IO ()
totemBy opt = simplePlayCsdBy opt "totem" "tmp"
runWithUserInterrupt :: String -> IO ()
runWithUserInterrupt cmd = do
pid <- runCommand cmd
E.catch (waitForProcess pid >> return ()) (onUserInterrupt pid)
where
onUserInterrupt :: ProcessHandle -> E.AsyncException -> IO ()
onUserInterrupt pid x = case x of
E.UserInterrupt -> terminateProcess pid >> E.throw x
e -> E.throw e