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{-
wavedrum-lib, a library to parse, edit and write Korg Wavedrum programs.
Copyright (C) 2013 Ricardo Wurmus
This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>.
-}
{-# LANGUAGE OverloadedStrings #-}
module Wavedrum where
import Control.Monad (replicateM,mapM_)
import Data.Binary.Get
import Data.Binary.Put
import qualified Data.ByteString.Lazy as B
import Wavedrum.Types
import Wavedrum.Algorithm
byTarget :: Program -> Target -> [Param]
byTarget prg t = filter (\param -> target param == t) prg
parseProgram :: Get Program
parseProgram = do
values1 <- replicateM 7 (fmap fromIntegral getWord16be)
headVals <- replicateM 8 (fmap fromIntegral getWord16be)
values2 <- replicateM 5 (fmap fromIntegral getWord16be)
rimVals <- replicateM 8 (fmap fromIntegral getWord16be)
values3 <- replicateM 26 (fmap fromIntegral getWord16be)
let headSettings = getSettingsForAlg (last values1)
let rimSettings = getSettingsForAlg (last values2)
return $ concat
[ zipWith ($) params1 values1
, zipWith ($) (zipWith3 ($) headParams (map fst headSettings) (map snd headSettings)) headVals
, zipWith ($) params2 values2
, zipWith ($) (zipWith3 ($) rimParams (map fst rimSettings) (map snd rimSettings)) rimVals
, zipWith ($) params3 values3
]
where
getSettingsForAlg n =
if n > 0 && n < length algorithms
then algoParams $ algorithms !! (n - 1)
else replicate 8 ("<unused>", (0,0))
params1 =
[ Param HeadAlg "Pressure curve" ( 0, 5)
, Param General "Pre EQ" ( 0, 4) -- H-H, H-S, S S, H-n, S-n
, Param HeadAlg "Tune" ( 0,100)
, Param HeadAlg "Level" ( 0,100)
, Param HeadAlg "Decay" ( 0,100)
, Param HeadAlg "Pan" (-50, 50) -- L50..R50
, Param HeadAlg "Algorithm select" ( 1, 36) -- 01..36
]
params2 =
[ Param RimAlg "Tune" ( 0,100)
, Param RimAlg "Decay" ( 0,100)
, Param RimAlg "Level" ( 0,100)
, Param RimAlg "Pan" (-50, 50) -- L50..R50
, Param RimAlg "Algorithm select" ( 1, 25)
]
params3 =
[ Param HeadPCM "Tune" (-24, 24) -- semitones
, Param HeadPCM "Decay" (-99, 99)
, Param HeadPCM "Level" ( 0,100)
, Param HeadPCM "Pan" (-50, 50) -- L50..R50
, Param HeadPCM "PCM instrument select" ( 0,100)
, Param HeadPCM "Velocity curve" ( 0, 9)
, Param HeadPCM "Pressure curve" ( 0, 5)
, Param HeadPCM "Pressure tune" (-12, 12)
, Param HeadPCM "Pressure decay" (-50, 50)
, Param RimPCM "Tune" (-24, 24) -- semitones
, Param RimPCM "Decay" (-99, 99)
, Param RimPCM "Level" ( 0,100)
, Param RimPCM "Pan" (-50, 50) -- L50..R50
, Param RimPCM "PCM instrument select" ( 0,100)
, Param RimPCM "Velocity curve" ( 0, 9)
, Param RimPCM "Pressure curve" ( 0, 5)
, Param RimPCM "Pressure tune" (-12, 12)
, Param RimPCM "Pressure decay" (-50, 50)
, Param General "Reverb type" ( 0, 10)
, Param General "Reverb effect level" ( 0,100)
, Param General "Reverb decay time" ( 0, 90)
, Param General "Reverb frequency damping" ( 0,100)
, Param General "Delay feedback" ( 0, 99)
, Param General "Delay effect level" ( 0,100)
, Param General "Delay time" ( 0,200)
, Param General "Delay frequency damping" ( 0,100)
]
headParams = replicate 8 $ Param HeadAlg
rimParams = replicate 8 $ Param RimAlg
readProgram :: B.ByteString -> Program
readProgram = runGet parseProgram
-- each Program is 108 bytes long (54 16-bit words)
readAllPrograms :: B.ByteString -> [Program]
readAllPrograms bs =
if B.null bs then []
else let (rawPrg, rest) = B.splitAt 108 bs in
readProgram rawPrg : readAllPrograms rest
putRawParams :: Program -> Put
putRawParams = mapM_ putRawParam
where putRawParam = putWord16be . fromIntegral . value
serialize :: Program -> B.ByteString
serialize p = runPut $ putRawParams p
serializeAll :: [Program] -> B.ByteString
serializeAll = B.concat . map serialize
loadProgramFromFile :: String -> IO Program
loadProgramFromFile f = fmap readProgram (B.readFile f)
loadProgramsFromFile :: String -> IO [Program]
loadProgramsFromFile f = fmap readAllPrograms (B.readFile f)
writeProgramToFile :: String -> Program -> IO ()
writeProgramToFile f p = B.writeFile f (serialize p)
ppProgram :: Program -> IO ()
ppProgram = mapM_ (putStrLn . show)
|
