HCodecs-0.5: A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files.

CopyrightGeorge Giorgidze
LicenseBSD3
MaintainerGeorge Giorgidze <http://cs.nott.ac.uk/~ggg/>
StabilityExperimental
PortabilityPortable
Safe HaskellNone
LanguageHaskell98

Codec.Midi

Description

Reading, writing and maniplating of standard MIDI files

Documentation

data Midi #

Constructors

Midi 

Fields

Instances

Eq Midi # 

Methods

(==) :: Midi -> Midi -> Bool #

(/=) :: Midi -> Midi -> Bool #

Show Midi # 

Methods

showsPrec :: Int -> Midi -> ShowS #

show :: Midi -> String #

showList :: [Midi] -> ShowS #

Arbitrary Midi # 

Methods

arbitrary :: Gen Midi #

shrink :: Midi -> [Midi] #

data FileType #

Constructors

SingleTrack 
MultiTrack 
MultiPattern 

Instances

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

data TimeDiv #

Constructors

TicksPerBeat Int 
TicksPerSecond Int Int 

Instances

data Message #

Constructors

NoteOff 

Fields

NoteOn 

Fields

KeyPressure 

Fields

ControlChange 

Fields

ProgramChange 

Fields

ChannelPressure 

Fields

PitchWheel 

Fields

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

type Ticks = Int #

type Time = Double #

type Channel = Int #

type Key = Int #

type Velocity = Int #

type Pressure = Int #

type Preset = Int #

type Bank = Int #

type PitchWheel = Int #

type Tempo = Int #

isNoteOff :: Message -> Bool #

isNoteOn :: Message -> Bool #

isKeyPressure :: Message -> Bool #

isControlChange :: Message -> Bool #

isProgramChange :: Message -> Bool #

isChannelPressure :: Message -> Bool #

isPitchWheel :: Message -> Bool #

isChannelMessage :: Message -> Bool #

isMetaMessage :: Message -> Bool #

isSysexMessage :: Message -> Bool #

isTrackEnd :: Message -> Bool #

removeTrackEnds :: Track a -> Track a #

toSingleTrack :: Midi -> Midi #

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

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

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

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

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

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

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

parseMidi :: Parser Midi #

buildMidi :: Midi -> Builder #

parseTrack :: Parser (Track Ticks) #

buildTrack :: Track Ticks -> Builder #

parseMessage :: Maybe Message -> Parser Message #

buildMessage :: Message -> Builder #