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import { MIDISequenceData } from "./midi_sequence.js";
/**
* A simplified version of the MIDI, accessible at all times from the Sequencer.
* Use getMIDI() to get the actual sequence.
* This class contains all properties that MIDI does, except for tracks and the embedded soundfont.
*/
export class MIDIData extends MIDISequenceData
{
/**
* A boolean indicating if the MIDI file contains an embedded soundfont.
* If the embedded soundfont is undefined, this will be false.
* @type {boolean}
*/
isEmbedded = false;
/**
* Constructor that copies data from a BasicMIDI instance.
* @param {BasicMIDI} midi - The BasicMIDI instance to copy data from.
*/
constructor(midi)
{
super();
this._copyFromSequence(midi);
// Set isEmbedded based on the presence of an embeddedSoundFont
this.isEmbedded = midi.embeddedSoundFont !== undefined;
}
}
/**
* Temporary MIDI data used when the MIDI is not loaded.
* @type {MIDIData}
*/
export const DUMMY_MIDI_DATA = {
duration: 99999,
firstNoteOn: 0,
loop: {
start: 0,
end: 123456
},
lastVoiceEventTick: 123456,
lyrics: [],
copyright: "",
midiPorts: [],
midiPortChannelOffsets: [],
tracksAmount: 0,
tempoChanges: [{ ticks: 0, tempo: 120 }],
fileName: "NOT_LOADED.mid",
midiName: "Loading...",
rawMidiName: new Uint8Array([76, 111, 97, 100, 105, 110, 103, 46, 46, 46]), // "Loading..."
usedChannelsOnTrack: [],
timeDivision: 0,
keyRange: { min: 0, max: 127 },
isEmbedded: false,
RMIDInfo: {},
bankOffset: 0,
midiNameUsesFileName: false,
format: 0
}; |