Audio.TagLib.TagLib

Types

type TagFile = ForeignPtr Void

type Tag = TagPtr

type AudioProperties = AudioPropertiesPtr

TagFile operations

tagFileOpen :: ByteString -> IO (Maybe TagFile)

Creates a TagFile file based on filename, TagLib will try to guess the file type. Return Nothing if the file type cannot be determined or the file cannot opened.

tagFileSave :: TagFile -> IO Bool

Save file to disk.

tagFileIsValid :: TagFile -> IO Bool

Returns True if the file is open and readble and valid information for the Tag and AudioProperties was found.

tagFileGetTag :: TagFile -> IO (Maybe Tag)

Returns Tag associated with this file.

tagFileGetAudioProperties :: TagFile -> IO (Maybe AudioProperties)

Returns AudioProperties associated with this file.

Tag operations

tagGetAlbum :: Tag -> IO String

Returns a string with this tag's album.

NOTE: by default this string should be UTF8 encoded.

tagSetAlbum :: Tag -> String -> IO ()

Set tag's album.

NOTE: by default this string should be UTF8 encoded.

tagGetArtist :: Tag -> IO String

Returns a string with this tag's artist.

NOTE: by default this string should be UTF8 encoded.

tagSetArtist :: Tag -> String -> IO ()

Set tag's artist.

NOTE: by default this string should be UTF8 encoded.

tagGetComment :: Tag -> IO String

Returns a string with this tag's comment.

NOTE: by default this string should be UTF8 encoded.

tagSetComment :: Tag -> String -> IO ()

Set tag's comment.

NOTE: by default this string should be UTF8 encoded.

tagGetGenre :: Tag -> IO String

Returns a string with this tag's genre.

NOTE: by default this string should be UTF8 encoded.

tagSetGenre :: Tag -> String -> IO ()

Set tag's genre.

NOTE: by default this string should be UTF8 encoded.

tagGetTitle :: Tag -> IO String

Returns a string with this tag's title.

NOTE: by default this string should be UTF8 encoded.

tagSetTitle :: Tag -> String -> IO ()

Set tag's title.

NOTE: by default this string should be UTF8 encoded.

tagGetTrack :: Tag -> IO Int

Returns a string with this tag's track.

NOTE: by default this string should be UTF8 encoded.

tagSetTrack :: Tag -> Int -> IO ()

Set tag's track.

NOTE: by default this string should be UTF8 encoded.

tagGetYear :: Tag -> IO Int

Returns a string with this tag's year.

NOTE: by default this string should be UTF8 encoded.

tagSetYear :: Tag -> Int -> IO ()

Set tag's year.

NOTE: by default this string should be UTF8 encoded.

AudioProperties Operations

audioPropertiesGetBitRate :: AudioProperties -> IO Int

Returns the bitrate of the file in kb/s.

audioPropertiesGetDuration :: AudioProperties -> IO Int

Returns the duration of the file in seconds.

audioPropertiesGetSampleRate :: AudioProperties -> IO Int

Returns the sample rate of the file in Hz.

audioPropertiesGetChannels :: AudioProperties -> IO Int

Returns the number of channels in the audio stream.