Audio.TagLib

Documentation

data Tag

Abstract Tag object.

data AudioProperties

newtype TagLib a

Constructors

TagLib

Fields

runTagLib :: ReaderT TLEnv IO a

Instances

Monad TagLib

Functor TagLib

Applicative TagLib

data TLEnv

Environment type for TagLib.

Constructors

TLEnv

Fields

tagPtr :: Ptr Tag

apPtr :: Ptr AudioProperties

withFiles :: [FilePath] -> TagLib a -> IO (Maybe [a])

Process a computation requiring a Ptr Tag and Ptr AudioProperties using a given file, producing one result for each FilePath given.

withFile :: FilePath -> TagLib a -> IO (Maybe a)

Process a computation for exactly one file, as per withFiles.

getTitle :: TagLib Text

setTitle :: Text -> TagLib ()

getArtist :: TagLib Text

setArtist :: Text -> TagLib ()

getAlbum :: TagLib Text

setAlbum :: Text -> TagLib ()

getComment :: TagLib Text

setComment :: Text -> TagLib ()

getGenre :: TagLib Text

setGenre :: Text -> TagLib ()

getYear :: TagLib Int

setYear :: Int -> TagLib ()

getTrack :: TagLib Int

setTrack :: Int -> TagLib ()

getLength :: TagLib Int

Retrieves the duration of the given file, in seconds.

getBitrate :: TagLib Int

Retrieves the bitrate of the given file, in kb/s.

getSampleRate :: TagLib Int

Retrieves the sample rate of the given file, in Hz.

getChannels :: TagLib Int

Retrieves the number of channels in the given file.

io :: IO a -> TagLib a

lift an IO action into TagLib.