Element

• Index

Contents

• Methods
• Constructors

Classes

• el.AudioBuffer
• el.Bounds
• el.Commands
• el.Content
• el.Context
• el.Desktop
• el.Graph
• el.GraphEditor
• el.Graphics
• el.MidiBuffer
• el.MidiMessage
• el.MouseEvent
• el.Node
• el.Point
• el.Range
• el.Rectangle
• el.Session
• el.Slider
• el.TextButton
• el.View
• el.Widget
• el.MidiPipe

Modules

• el.bytes
• el.command
• el.midi
• el.object
• el.round
• el.script
• el.strings

Examples

• amp.lua
• ampui.lua
• channelize.lua

Class el.MidiMessage

A MIDI Message.

Methods

MidiMessage:data ()	Raw data.
MidiMessage:description ()	Message description.
MidiMessage:time ()	Timestamp.
MidiMessage:setTime (t)	Change timestamp.
MidiMessage:addTime (dt)	Add to timestamp.
MidiMessage:withTime (t)	Create copy with a new timestamp.
MidiMessage:channel ()	Midi Channel.
MidiMessage:hasChannel (ch)	Is a channel message.
MidiMessage:setChannel (ch)	Set the channel.
MidiMessage:isSysex ()	Is System Exclusive.
MidiMessage:sysExData ()	Sysex Data.
MidiMessage:isNoteOn ()	Is note on.
MidiMessage:isNoteOff ()	Is note off.
MidiMessage:isNote ()	Is note on or off.
MidiMessage:note ()	Note number.
MidiMessage:setNote (note)	Change note number.
MidiMessage:velocity ()	Velocity.
MidiMessage:fvelocity ()	Float velocity.
MidiMessage:xvelocity (m)	Multiply Velocity.
MidiMessage:setVelocity (v)	Change velocity.
MidiMessage:isProgram ()	Is program change?
MidiMessage:program ()	Program number.
MidiMessage:isPitch ()	Is pitch message.
MidiMessage:pitch ()	Pitch.
MidiMessage:isAfterTouch ()	Is after touch message.
MidiMessage:afterTouch ()	After touch.
MidiMessage:isPressure ()	Is pressure message.
MidiMessage:pressure ()	Pressure.
MidiMessage:isController ()	Is controller message.
MidiMessage:controller ()	Returns the controller number.
MidiMessage:controllerValue ()	Returns the controller value.
MidiMessage:isControllerType (type)	Check if this is a particular controller message.
MidiMessage:isNotesOff ()	True if all notes off message.
MidiMessage:isSoundOff ()	True if all sounds off message.
MidiMessage:isResetControllers ()	True if reset controllers message.
MidiMessage:isMeta ()	True if a Meta message.
MidiMessage:metaType ()	Returns the metadata type.
MidiMessage:metaData ()	Returns the metadata.
MidiMessage:metaLength ()	Returns the metadata length.
MidiMessage:isTrack ()	Returns true if a track message.
MidiMessage:isTrackEnd ()	Returns true if track end message.
MidiMessage:isTrackName ()	Returns true if track name message.
MidiMessage:isText ()	Returns true if a text message.
MidiMessage:text ()	Returns the text.
MidiMessage:isTempo ()	Returns true if a tempo message.
MidiMessage:tempoSPQN ()	Returns the tempo SPQN.
MidiMessage:tempoTicks ()	Returns the tempo ticks.
MidiMessage:isActiveSense ()	Returns true if an active sense message.
MidiMessage:isStart ()	Returns true if a start message.
MidiMessage:isStop ()	Returns true if a stop message.
MidiMessage:isContinue ()	Returns true if a continue message.
MidiMessage:isClock ()	Returns true if is MIDI clock.
MidiMessage:isSPP ()	Returns true if a song position pointer.
MidiMessage:sppBeat ()	Returns true if song position pointer beat.
MidiMessage:isQuarterFrame ()	Returns true if a quarter frame message.
MidiMessage:quarterFrameSeq ()	Get the quarter frame sequence.
MidiMessage:quarterFrameValue ()	Returns true if song position pointer beat.
MidiMessage:isFullFrame ()	Returns true if a full frame message.
MidiMessage:fullFrameParams ()	Get full frame parameters.
MidiMessage:isMMC ()	Returns true if a MMC message.
MidiMessage:mmcCommand ()	MMC Command.
MidiMessage:goto ()	MIDI goto.

Constructors

MidiMessage.new (data)

Create a new MIDI message.

Methods

MidiMessage:data ()

Raw data.

MidiMessage:description ()

Message description. Get human readable information about the message.

Returns:

string

MidiMessage:time ()

Timestamp.

Returns:

number Timestamp

MidiMessage:setTime (t)

Change timestamp. The time format depends on the context in which the message is being used.

Parameters:

• t number Timestamp to set

MidiMessage:addTime (dt)

Add to timestamp.

Parameters:

• dt number Delta time to add

MidiMessage:withTime (t)

Create copy with a new timestamp.

Parameters:

• t number Timestamp to set

Returns:

kv.MidiMessage New midi message

MidiMessage:channel ()

Midi Channel.

Returns:

int 1-16 if valid channel

MidiMessage:hasChannel (ch)

Is a channel message. Returns true if the message has the given channel

Parameters:

• ch int Channel to check

Returns:

bool

MidiMessage:setChannel (ch)

Set the channel.

Parameters:

• ch int Channel to set (1-16)

MidiMessage:isSysex ()

Is System Exclusive.

Returns:

True if is SysEx message

MidiMessage:sysExData ()

Sysex Data.

Returns:

1. Raw sysex bytes
2. Sysex data size

MidiMessage:isNoteOn ()

Is note on.

Returns:

True if a note on message

MidiMessage:isNoteOff ()

Is note off.

Returns:

True if a note on message

MidiMessage:isNote ()

Is note on or off.

Returns:

True if a note on message

MidiMessage:note ()

Note number.

Returns:

The note number

MidiMessage:setNote (note)

Change note number.

Parameters:

• note int New note number

MidiMessage:velocity ()

Velocity.

Returns:

int Velocity (0-127)

MidiMessage:fvelocity ()

Float velocity.

Returns:

number Velocity (0.0-1.0)

MidiMessage:xvelocity (m)

Multiply Velocity.

Parameters:

• m number Multiplier

MidiMessage:setVelocity (v)

Change velocity.

Parameters:

• v number New velocity (0.0-1.0)

MidiMessage:isProgram ()

Is program change?

Returns:

True if a program change message

MidiMessage:program ()

Program number.

Returns:

int The program number

MidiMessage:isPitch ()

Is pitch message.

Returns:

True if a pitch message

MidiMessage:pitch ()

Pitch.

Returns:

int Pitch

MidiMessage:isAfterTouch ()

Is after touch message.

Returns:

True if an after touch message

MidiMessage:afterTouch ()

After touch.

Returns:

int After touch value

MidiMessage:isPressure ()

Is pressure message.

Returns:

True if an after touch message

MidiMessage:pressure ()

Pressure.

Returns:

int Presure value

MidiMessage:isController ()

Is controller message.

Returns:

bool True if a controller message

MidiMessage:controller ()

Returns the controller number.

Returns:

int The controller number

MidiMessage:controllerValue ()

Returns the controller value.

Returns:

int The controller value

MidiMessage:isControllerType (type)

Check if this is a particular controller message.

Parameters:

• type int Controller type to check for

MidiMessage:isNotesOff ()

True if all notes off message.

Returns:

bool

MidiMessage:isSoundOff ()

True if all sounds off message.

Returns:

bool

MidiMessage:isResetControllers ()

True if reset controllers message.

Returns:

bool

MidiMessage:isMeta ()

True if a Meta message.

Returns:

bool

MidiMessage:metaType ()

Returns the metadata type.

Returns:

int

MidiMessage:metaData ()

Returns the metadata.

MidiMessage:metaLength ()

Returns the metadata length.

Returns:

int

MidiMessage:isTrack ()

Returns true if a track message.

Returns:

bool

MidiMessage:isTrackEnd ()

Returns true if track end message.

Returns:

bool

MidiMessage:isTrackName ()

Returns true if track name message.

Returns:

bool

MidiMessage:isText ()

Returns true if a text message.

Returns:

bool

MidiMessage:text ()

Returns the text.

Returns:

string

MidiMessage:isTempo ()

Returns true if a tempo message.

Returns:

bool

MidiMessage:tempoSPQN ()

Returns the tempo SPQN.

Returns:

int

MidiMessage:tempoTicks ()

Returns the tempo ticks.

Returns:

int

MidiMessage:isActiveSense ()

Returns true if an active sense message.

Returns:

bool

MidiMessage:isStart ()

Returns true if a start message.

Returns:

bool

MidiMessage:isStop ()

Returns true if a stop message.

Returns:

bool

MidiMessage:isContinue ()

Returns true if a continue message.

Returns:

bool

MidiMessage:isClock ()

Returns true if is MIDI clock.

Returns:

bool

MidiMessage:isSPP ()

Returns true if a song position pointer.

Returns:

bool

MidiMessage:sppBeat ()

Returns true if song position pointer beat.

Returns:

int

MidiMessage:isQuarterFrame ()

Returns true if a quarter frame message.

Returns:

bool

MidiMessage:quarterFrameSeq ()

Get the quarter frame sequence.

Returns:

The sequence

MidiMessage:quarterFrameValue ()

Returns true if song position pointer beat.

Returns:

int The quarter frame value

MidiMessage:isFullFrame ()

Returns true if a full frame message.

Returns:

bool

MidiMessage:fullFrameParams ()

Get full frame parameters.

Returns:

The params

MidiMessage:isMMC ()

Returns true if a MMC message.

Returns:

bool

MidiMessage:mmcCommand ()

MMC Command.

MidiMessage:goto ()

MIDI goto.

Constructors

MidiMessage.new (data)

Create a new MIDI message.

Parameters:

• data int Data as a packed integer. see el.midi

Returns:

el.MidiMessage