some data types

[wavpack.git] / Codec / Audio / WavPack / Unpack.hs

diff --git a/Codec/Audio/WavPack/Unpack.hs b/Codec/Audio/WavPack/Unpack.hs
index 8d2790619f2f5440511b54a95b9c035cfd9256f7..264072c71f7e3ce6f25dbbf32db5eccd48b49ed2 100644 (file)
--- a/Codec/Audio/WavPack/Unpack.hs
+++ b/Codec/Audio/WavPack/Unpack.hs
@@ -1,28 +1,4 @@
-{-# LANGUAGE
-    BangPatterns
-  , UnicodeSyntax
-  #-}
 module Codec.Audio.WavPack.Unpack
     (
     )
     where
-import Codec.Audio.WavPack.Internal
-import Data.Bits
-import Data.Bitstream.Generic (Bitstream)
-import qualified Data.Bitstream.Generic as B
-import Data.Word
-
--- Read a single unsigned value from the specified bitstream with a
--- value from 0 to maxCode. If there are exactly a power of two number
--- of possible codes then this will read a fixed number of bits;
--- otherwise it reads the minimum number of bits and then determines
--- whether another bit is needed to define the code.
-readCode ∷ Bitstream bs ⇒ bs → Word32 → (Word32, bs)
-{-# INLINEABLE readCode #-}
-readCode bs 0       = (0, bs)
-readCode bs 1       = (b2n $ B.head bs, B.tail bs)
-readCode bs maxCode
-    = let !bitCount = countBits maxCode
-          !extras   = (1 `shiftL` bitCount) - maxCode - 1
-      in
-        error "unk"
\ No newline at end of file