Safe Haskell	Safe-Inferred

Util.Audio.SampleRateC

Contents

SavedState

Description

Binding to libsamplerate.

Synopsis

data State
data Quality
- = SincBestQuality
- | SincMediumQuality
- | SincFastest
- | ZeroOrderHold
- | Linear
new :: Quality -> Channels -> IO State
delete :: State -> IO ()
setRatio :: State -> Double -> IO ()
data Input = Input {
- data_in :: C2HSImp.Ptr C2HSImp.CFloat
- data_out :: C2HSImp.Ptr C2HSImp.CFloat
- input_frames :: Integer
- output_frames :: Integer
- src_ratio :: Double
- end_of_input :: Bool
}
data Output = Output {
- input_frames_used :: !Integer
- output_frames_generated :: !Integer
}
process :: State -> Input -> IO Output
newtype Exception = Exception Text
data SavedState = SavedState !ByteString.ByteString !ByteString.ByteString
unsafeGetState :: State -> IO SavedState
putState :: Quality -> State -> SavedState -> IO Bool
getRatio :: State -> IO Double

Documentation

data State Source #

data Quality Source #

Constructors

SincBestQuality
SincMediumQuality
SincFastest
ZeroOrderHold
Linear

Instances

Instances details

Bounded Quality Source #
Instance details Defined in Util.Audio.SampleRateC Methods minBound :: Quality # maxBound :: Quality #
Enum Quality Source #
Instance details Defined in Util.Audio.SampleRateC Methods succ :: Quality -> Quality # pred :: Quality -> Quality # toEnum :: Int -> Quality # fromEnum :: Quality -> Int # enumFrom :: Quality -> [Quality] # enumFromThen :: Quality -> Quality -> [Quality] # enumFromTo :: Quality -> Quality -> [Quality] # enumFromThenTo :: Quality -> Quality -> Quality -> [Quality] #
Show Quality Source #
Instance details Defined in Util.Audio.SampleRateC Methods showsPrec :: Int -> Quality -> ShowS # show :: Quality -> String # showList :: [Quality] -> ShowS #
Eq Quality Source #
Instance details Defined in Util.Audio.SampleRateC Methods (==) :: Quality -> Quality -> Bool # (/=) :: Quality -> Quality -> Bool #

new :: Quality -> Channels -> IO State Source #

delete :: State -> IO () Source #

setRatio :: State -> Double -> IO () Source #

data Input Source #

This corresponds to the input part of SRC_DATA.

Constructors

Input
Fields data_in :: C2HSImp.Ptr C2HSImp.CFloat data_out :: C2HSImp.Ptr C2HSImp.CFloat input_frames :: Integer output_frames :: Integer src_ratio :: Double end_of_input :: Bool

Instances

Instances details

Show Input Source #
Instance details Defined in Util.Audio.SampleRateC Methods showsPrec :: Int -> Input -> ShowS # show :: Input -> String # showList :: [Input] -> ShowS #
Eq Input Source #
Instance details Defined in Util.Audio.SampleRateC Methods (==) :: Input -> Input -> Bool # (/=) :: Input -> Input -> Bool #

data Output Source #

This corresponds to the output part of SRC_DATA.

Constructors

Output
Fields input_frames_used :: !Integer output_frames_generated :: !Integer

Instances

Instances details

Show Output Source #
Instance details Defined in Util.Audio.SampleRateC Methods showsPrec :: Int -> Output -> ShowS # show :: Output -> String # showList :: [Output] -> ShowS #
Eq Output Source #
Instance details Defined in Util.Audio.SampleRateC Methods (==) :: Output -> Output -> Bool # (/=) :: Output -> Output -> Bool #

process :: State -> Input -> IO Output Source #

newtype Exception Source #

Constructors

Exception Text

Instances

Instances details

Exception.Exception Exception Source #
Instance details Defined in Util.Audio.SampleRateC Methods toException :: Exception -> Exception.SomeException # fromException :: Exception.SomeException -> Maybe Exception # displayException :: Exception -> String #
Show Exception Source #
Instance details Defined in Util.Audio.SampleRateC Methods showsPrec :: Int -> Exception -> ShowS # show :: Exception -> String # showList :: [Exception] -> ShowS #
Eq Exception Source #
Instance details Defined in Util.Audio.SampleRateC Methods (==) :: Exception -> Exception -> Bool # (/=) :: Exception -> Exception -> Bool #

SavedState

data SavedState Source #

Constructors

SavedState !ByteString.ByteString !ByteString.ByteString

Instances

Instances details

Show SavedState Source #
Instance details Defined in Util.Audio.SampleRateC Methods showsPrec :: Int -> SavedState -> ShowS # show :: SavedState -> String # showList :: [SavedState] -> ShowS #
Eq SavedState Source #
Instance details Defined in Util.Audio.SampleRateC Methods (==) :: SavedState -> SavedState -> Bool # (/=) :: SavedState -> SavedState -> Bool #
Pretty SavedState Source #
Instance details Defined in Util.Audio.Resample Methods pretty :: SavedState -> Text Source # format :: SavedState -> Doc Source # formatList :: [SavedState] -> Doc Source #
Serialize SavedState Source #
Instance details Defined in Util.Audio.Resample Methods put :: Putter SavedState Source # get :: Get SavedState Source #

unsafeGetState :: State -> IO SavedState Source #

The second ByteString in SavedState is done without copying, so use it before doing anything with State!

This is only in my fork of libsamplerate, referenced in default.nix.

putState :: Quality -> State -> SavedState -> IO Bool Source #

getRatio :: State -> IO Double Source #