FlutterMidiEnginePlatform class abstract

The interface that platform-specific implementations of flutter_midi_engine must extend.

Inheritance
  • Object
  • PlatformInterface
  • FlutterMidiEnginePlatform
Implementers

Constructors

FlutterMidiEnginePlatform()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

changeProgram({required int program, int channel = 0}) → Future<void>
Change the program (instrument) on a channel program - Program number (0-127) channel - MIDI channel (0-15)
loadSoundfont(String path) → Future<bool>
Load a soundfont file from the given path Supports SF2, SF3, and other compatible formats
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
playNote({required int note, int velocity = 64, int channel = 0}) → Future<void>
Play a MIDI note note - MIDI note number (0-127) velocity - Note velocity (0-127) channel - MIDI channel (0-15)
resetAllControllers() → Future<void>
Reset all controllers on all channels
sendControlChange({required int controller, required int value, int channel = 0}) → Future<void>
Send a raw MIDI control change message controller - Controller number (0-127) value - Controller value (0-127) channel - MIDI channel (0-15)
sendPitchBend({required int value, int channel = 0}) → Future<void>
Send a pitch bend message value - Pitch bend value (-8192 to 8191, 0 is center) channel - MIDI channel (0-15)
setChorus({int voices = 3, double level = 0.5, double speed = 0.3, double depth = 0.8}) → Future<void>
Set chorus parameters voices - Number of voices (0-99) level - Chorus level (0.0-1.0) speed - LFO speed in Hz (0.29-5.0) depth - LFO depth (0.0-1.0)
setPan({required int pan, int channel = 0}) → Future<void>
Set the pan position for a channel pan - Pan position (0=left, 64=center, 127=right) channel - MIDI channel (0-15)
setReverb({double roomSize = 0.2, double damping = 0.5, double width = 0.5, double level = 0.3}) → Future<void>
Set reverb parameters roomSize - Room size (0.0-1.0) damping - Damping amount (0.0-1.0) width - Stereo width (0.0-1.0) level - Reverb level (0.0-1.0)
setVolume({required int volume, int channel = 0}) → Future<void>
Set the volume for a channel volume - Volume level (0-127) channel - MIDI channel (0-15)
stopAllNotes() → Future<void>
Stop all currently playing notes on all channels
stopNote({required int note, int velocity = 64, int channel = 0}) → Future<void>
Stop a MIDI note note - MIDI note number (0-127) velocity - Release velocity (0-127) channel - MIDI channel (0-15)
toString() → String
A string representation of this object.
inherited
unloadSoundfont() → Future<bool>
Unload the current soundfont and free resources
unmute() → Future<void>
Unmute the device (iOS specific - allows sound even if device is muted)

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Properties

instance ↔ FlutterMidiEnginePlatform
The default instance of FlutterMidiEnginePlatform to use.
getter/setter pair