HCodecs-0.0.3: The library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. Source code Contents Index

Codec.Midi Portability Portable Stability Experimental Maintainer George Giorgidze <http://cs.nott.ac.uk/~ggg/>

Description

Module for reading, writing and maniplating of standard MIDI files.

Documentation

data Midi Source

Constructors Midi fileType :: FileType timeDiv :: TimeDiv tracks :: [Track Ticks] Instances Eq Midi Show Midi Arbitrary Midi

data FileType Source

Constructors SingleTrack MultiTrack MultiPattern Instances Eq FileType Show FileType Arbitrary FileType

type Track a = [(a, Message)] Source

data TimeDiv Source

Constructors TicksPerBeat Int TicksPerSecond Int Int Instances Eq TimeDiv Show TimeDiv Arbitrary TimeDiv

data Message Source

Constructors NoteOff channel :: !Channel key :: !Key velocity :: !Velocity NoteOn channel :: !Channel key :: !Key velocity :: !Velocity KeyPressure channel :: !Channel key :: !Key pressure :: !Pressure ControlChange channel :: !Channel controllerNumber :: !Int controllerValue :: !Int ProgramChange channel :: !Channel preset :: !Preset ChannelPressure channel :: !Channel pressure :: !Pressure PitchWheel channel :: !Channel pitchWheel :: !PitchWheel SequenceNumber !Int Text !String Copyright !String TrackName !String InstrumentName !String Lyrics !String Marker !String CuePoint !String ChannelPrefix !Channel ProgramName !String DeviceName !String TrackEnd TempoChange !Tempo SMPTEOffset !Int !Int !Int !Int !Int TimeSignature !Int !Int !Int !Int KeySignature !Int !Int Reserved !Int !ByteString Sysex !Int !ByteString Instances Eq Message Show Message Arbitrary Message

type Ticks = Int Source

type Time = Double Source

type Channel = Int Source

type Key = Int Source

type Velocity = Int Source

type Pressure = Int Source

type Preset = Int Source

type Bank = Int Source

type PitchWheel = Int Source

type Tempo = Int Source

isNoteOff :: Message -> Bool Source

isNoteOn :: Message -> Bool Source

isKeyPressure :: Message -> Bool Source

isControlChange :: Message -> Bool Source

isProgramChange :: Message -> Bool Source

isChannelPressure :: Message -> Bool Source

isPitchWheel :: Message -> Bool Source

isChannelMessage :: Message -> Bool Source

isMetaMessage :: Message -> Bool Source

isSysexMessage :: Message -> Bool Source

isTrackEnd :: Message -> Bool Source

removeTrackEnds :: Track a -> Track a Source

toSingleTrack :: Midi -> Midi Source

merge :: (Num a, Ord a) => Track a -> Track a -> Track a Source

fromAbsTime :: Num a => Track a -> Track a Source

toAbsTime :: Num a => Track a -> Track a Source

toRealTime :: TimeDiv -> Track Ticks -> Track Time Source

fromRealTime :: TimeDiv -> Track Time -> Track Ticks Source

importFile :: FilePath -> IO (Either String Midi) Source

exportFile :: FilePath -> Midi -> IO () Source

parseMidi :: Parser Midi Source

buildMidi :: Midi -> Builder Source

parseTrack :: Parser (Track Ticks) Source

buildTrack :: Track Ticks -> Builder Source

parseMessage :: Maybe Message -> Parser Message Source

buildMessage :: Message -> Builder Source

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