On Mon, 31 Mar 2008, alex wrote:
> Great stuff Henning, thanks!
>
> I'm planning on using a midi device in a performance on Friday, does
> anyone already have some example code for using this to control
> supercollider patchecs made with Rohan's HSC3, to save me a bit of time?
> If not I'll play around and try to provide this myself...
See attachment and good luck!
{-# options -O2 #-}
module Main where
-- module SuperColliderMIDI where
import System.Cmd (rawSystem)
import Sound.OpenSoundControl
import Sound.SC3 as SC3
import Sound.SC3.UGen.Noise.Base as Noise
import qualified Sound.ALSA.Sequencer as AlsaMidi
import qualified Sound.MIDI.Event as MidiEvent
import qualified Sound.MIDI.File as MidiFile
sound :: UGen
sound = out 0
(delayN (0.2 * rlpf
(Noise.whiteNoise (UGenId 0) AR * Control KR "Volume" 1)
(Control KR "Frequency" 400)
(Control KR "Resonance" 0.005))
0 (MCE [0, Control KR "Phase" 0]))
controlChange :: String -> (Double -> Double) -> Int -> IO ()
controlChange controlName f value =
let cValue = f (fromIntegral value / 127)
in print (controlName, cValue) >>
withSC3 (\fd -> send fd (n_set (-1)
[(controlName, cValue)]))
main = do
withSC3 reset
audition sound
putStrLn "started..."
AlsaMidi.withMIDIEvents "midinoise" "midinoise-listen" $ \ ll ->
-- you may have to adapt the port numbers to your setting
rawSystem "aconnect" ["72:0", "128:0"] >>
mapM_ (\mev -> case mev of
MidiFile.MIDIEvent _chan ev ->
case ev of
MidiEvent.Control MidiEvent.MainVolumeMSB value ->
controlChange "Volume" id value
MidiEvent.Control MidiEvent.FootControlMSB value ->
controlChange "Frequency" (\x -> 200 * 4 ** x) value
MidiEvent.Control MidiEvent.BreathControlMSB value ->
controlChange "Resonance" (\x -> 1 / 1000 ** x) value
MidiEvent.Control MidiEvent.ModulationMSB value ->
controlChange "Phase" (0.002*) value
_ -> return ()
_ -> return ())
ll
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