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Send stored CC values to controller

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This commit is contained in:
Nick Matantsev 2025-12-25 18:58:13 -05:00
parent 1860d31624
commit 1aaa04ab50
1 changed files with 27 additions and 4 deletions
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31
packages/midi/midi.mjs
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@ -499,13 +499,16 @@ class MidiInput {
const midiListener = this._onMidiMessage.bind(this);
device.addListener('midimessage', midiListener);
this._loadAllStates();
const output = WebMidi.outputs.find((o) => o.name === this.name);
if (output) {
this._sendAllStates(output);
}
}
createCC(cc, chan) {
if (chan !== undefined && !(chan in this._refsByChan)) {
this._refsByChan[chan] = {};
}
const lookupMap = chan === undefined ? this._refs : this._refsByChan[chan];
if (!(cc in lookupMap)) {
const initialState = this._loadState(chan);
@ -529,6 +532,15 @@ class MidiInput {
this._saveState(chan, ccNum, scaled);
}
_loadAllStates() {
Object.assign(this._refs, this._loadState(undefined));
for (let chan = 1; chan <= 16; chan++) {
this._refsByChan[chan] ??= {};
Object.assign(this._refsByChan[chan], this._loadState(chan));
}
}
_loadState(chan) {
const initialDataRaw = localStorage.getItem(`strudel-midin-${this.name}-chan${chan !== undefined ? chan : 'all'}`);
if (!initialDataRaw) {
@ -552,6 +564,17 @@ class MidiInput {
state[cc] = value;
localStorage.setItem(`strudel-midin-${this.name}-chan${chan !== undefined ? chan : 'all'}`, JSON.stringify(state));
}
_sendAllStates(output) {
for (const [chan, refs] of Object.entries(this._refsByChan)) {
const channel = Number(chan);
for (const [cc, value] of Object.entries(refs)) {
const ccn = Number(cc);
const scaled = Math.round(value * 127);
output.sendControlChange(ccn, scaled, channel);
}
}
}
}
// MIDI input wrappers, by device ID