-- |
-- Module      :  DobutokO.Sound.Effects.Upsample
-- Copyright   :  (c) OleksandrZhabenko 2020
-- License     :  MIT
-- Stability   :  Experimental
-- Maintainer  :  olexandr543@yahoo.com
--
-- Helps to create experimental music. 
-- Can be used for applying the SoX \"upsample\" effect. 
-- 

{-# OPTIONS_GHC -threaded #-}
{-# LANGUAGE CPP, FlexibleInstances #-}

module DobutokO.Sound.Effects.Upsample where

#ifdef __GLASGOW_HASKELL__
#if __GLASGOW_HASKELL__>=710
/* code that applies only to GHC 7.10.* and higher versions */
import GHC.Base (mconcat)
#endif
#endif

#ifdef __GLASGOW_HASKELL__
#if __GLASGOW_HASKELL__==708
/* code that applies only to GHC 7.8.* */
mconcat = concat
#endif
#endif

data Upsample a = U | US1 a deriving Upsample a -> Upsample a -> Bool
(Upsample a -> Upsample a -> Bool)
-> (Upsample a -> Upsample a -> Bool) -> Eq (Upsample a)
forall a. Eq a => Upsample a -> Upsample a -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Upsample a -> Upsample a -> Bool
$c/= :: forall a. Eq a => Upsample a -> Upsample a -> Bool
== :: Upsample a -> Upsample a -> Bool
$c== :: forall a. Eq a => Upsample a -> Upsample a -> Bool
Eq

instance Show (Upsample Int) where
  show :: Upsample Int -> String
show (US1 Int
x) = [String] -> String
forall a. Monoid a => [a] -> a
mconcat [String
"upsample ", if Int
x Int -> Int -> Bool
forall a. Eq a => a -> a -> Bool
== Int
0 then String
"" else Int -> String
forall a. Show a => a -> String
show (Int -> Int
forall a. Num a => a -> a
abs Int
x) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" "]
  show Upsample Int
_ = String
"upsample "
  
type USample = Upsample Int 

upsampleC :: Upsample a -> String
upsampleC :: Upsample a -> String
upsampleC Upsample a
U = String
"U"
upsampleC Upsample a
_ = String
"US1"

upSample1 :: Upsample a -> Maybe a
upSample1 :: Upsample a -> Maybe a
upSample1 (US1 a
x) = a -> Maybe a
forall a. a -> Maybe a
Just a
x
upSample1 Upsample a
_ = Maybe a
forall a. Maybe a
Nothing

upSampleSet1 :: a -> Upsample a
upSampleSet1 :: a -> Upsample a
upSampleSet1 = a -> Upsample a
forall a. a -> Upsample a
US1

showUSQ :: USample -> [String]
showUSQ :: Upsample Int -> [String]
showUSQ = String -> [String]
words (String -> [String])
-> (Upsample Int -> String) -> Upsample Int -> [String]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Upsample Int -> String
forall a. Show a => a -> String
show