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Store Midi clock stuff to localstorage

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This commit is contained in:
Miika Alonen
2023-10-04 00:20:50 +03:00
parent c6b65c799f
commit 327bfc5086
4 changed files with 45 additions and 16 deletions
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34
src/IO/MidiConnection.ts
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@ -1,4 +1,5 @@
import { UserAPI } from "../API";
import { AppSettings } from "../AppSettings";
export class MidiConnection {
/**
@ -12,6 +13,7 @@ export class MidiConnection {
*/
private api: UserAPI;
private settings: AppSettings;
private midiAccess: MIDIAccess | null = null;
public midiOutputs: MIDIOutput[] = [];
public midiInputs: MIDIInput[] = [];
@ -28,13 +30,13 @@ export class MidiConnection {
private clockBuffer: number[] = [];
private deltaBuffer: number[] = [];
private clockBufferLength = 24;
private clockPPQN = 24;
private clockTicks = 0;
private clockErrorCount = 0;
private skipOnError = 0;
constructor(api: UserAPI) {
constructor(api: UserAPI, settings: AppSettings) {
this.api = api;
this.settings = settings;
this.lastBPM = api.bpm();
this.roundedBPM = this.lastBPM;
this.initializeMidiAccess();
@ -58,7 +60,6 @@ export class MidiConnection {
console.warn("No MIDI inputs available.");
} else {
this.updateMidiClockSelect();
this.clockPPQNSelect();
}
} catch (error) {
console.error("Failed to initialize MIDI:", error);
@ -156,34 +157,37 @@ export class MidiConnection {
this.midiInputs.forEach((input, index) => {
const option = document.createElement("option");
option.value = index.toString();
option.text = input.name || "No name input";
option.text = input.name || index.toString();
select.appendChild(option);
});
select.value = this.currentInputIndex ? this.currentInputIndex.toString() : "-1";
if(this.settings.midi_clock_input) {
const clockMidiInputIndex = this.getMidiInputIndex(this.settings.midi_clock_input);
select.value = clockMidiInputIndex.toString();
if(clockMidiInputIndex > 0) {
this.midiClockInput = this.midiInputs[clockMidiInputIndex];
this.registerMidiClockListener();
}
} else {
select.value = "-1";
}
// Add listener
select.addEventListener("change", (event) => {
const value = (event.target as HTMLSelectElement).value;
if(value === "-1") {
if(this.midiClockInput) this.midiClockInput.onmidimessage = null;
this.midiClockInput = undefined;
this.settings.midi_clock_input = undefined;
} else {
this.currentInputIndex = parseInt(value);
if(this.midiClockInput) this.midiClockInput.onmidimessage = null;
this.midiClockInput = this.midiInputs[this.currentInputIndex];
this.registerMidiClockListener();
this.settings.midi_clock_input = this.midiClockInput.name || undefined;
}
});
}
}
clockPPQNSelect(): void {
const select = document.getElementById("midi-clock-ppqn-input") as HTMLSelectElement;
select.addEventListener("change", (event) => {
const value = (event.target as HTMLSelectElement).value;
this.clockPPQN = parseInt(value);
});
}
public registerMidiClockListener(): void {
/**
* Registers a listener for MIDI clock messages on the currently selected MIDI input.
@ -241,12 +245,12 @@ export class MidiConnection {
this.clockErrorCount = 0;
/* I dont know why this happens. But when it does, deltas for the following messages are off.
So skipping ~ quarted of clock resolution usually helps */
this.skipOnError = this.clockPPQN/4;
this.skipOnError = this.settings.midi_clock_ppqn/4;
timestamp = 0; // timestamp 0 == lastTimestamp 0
} else {
this.midiClockDelta = timestamp - this.lastTimestamp;
this.lastBPM = 60 * (1000 / this.midiClockDelta / 24);
this.lastBPM = 60 * (1000 / this.midiClockDelta / this.settings.midi_clock_ppqn);
this.clockBuffer.push(this.lastBPM);
if(this.clockBuffer.length>this.clockBufferLength) this.clockBuffer.shift();